@charset "UTF-8";

/* ==========================================
   STYLE.CSS - Layout & Page Styles
   ==========================================
   Version: 1.0.1 | 2026-02-21
   
   Dependencies: base.css, components.css
   
   Table of Contents:
   1. Header & Navigation
   2. Off-Canvas Mobile Menu
   3. Hero Section
   4. Pricing Section
   5. Comparison Table
   6. FAQ Section
   7. Premium Partner Section
   8. How It Works Section
   9. Testimonials Section
   10. Platform Section
   11. Trust Section
   12. Footer
   13. Mobile Bottom Nav
   14. Responsive - Tablet
   15. Responsive - Mobile
   16. Blog Section
   17. Blog Detail Page
   18. Tool Pages (UTM, QR, Tree)
   ========================================== */

/* ==========================================
   1. HEADER & NAVIGATION (PC)
   ========================================== */

.header {
  --mobile-header-hide-threshold: 60;
  --mobile-header-scroll-delta: 20;
  --mobile-header-scroll-cooldown: 140;
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: #ffffff;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.header.header--hidden {
  transform: translateY(-100%);
}

#header-include {
  min-height: calc(var(--header-height-desktop) + 1px);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height-desktop);
  padding: var(--space-2) var(--space-3);
  max-width: var(--container-width);
  margin: 0 auto;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.logo:hover {
  opacity: 0.8;
}

.logo__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.logo img {
  max-height: 40px;
  height: auto;
  display: block;
  object-fit: contain;
}

/* Main Navigation */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  margin-left: var(--space-7);
}

.main-nav ul {
  display: flex;
  gap: var(--space-4);
  list-style: none;
}

.main-nav a {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: #333333;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
  position: relative;
}

.main-nav a:hover {
  background-color: var(--color-bg-muted);
  color: var(--color-primary);
}

.main-nav a.active {
  background-color: var(--color-bg-muted);
  color: var(--color-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--color-primary);
}

/* Language Toggle - Pill Style */
.nav-lang {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: var(--space-3);
}

.nav-lang__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* Language Switch - VI | EN */
.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-bg-muted);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

.lang-switch__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-0) var(--space-1);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.lang-switch__label:hover {
  color: var(--color-primary);
}

.lang-switch__label--active {
  color: var(--color-primary);
  font-weight: 600;
  cursor: default;
}

.lang-switch__divider {
  color: var(--color-border);
  font-weight: 300;
}

/* Hamburger Menu Toggle */
.hamburger {
  display: none;
  flex-direction: column;
  gap: var(--space-0);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
  order: -1;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2.5px;
  background-color: #333333;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Hamburger active state (X icon) */
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ==========================================
   2. OFF-CANVAS MOBILE MENU
   ========================================== */

.off-canvas-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  height: 100dvh;
  background: #ffffff;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
  z-index: var(--z-offcanvas);
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  will-change: transform;
  display: flex;
  flex-direction: column;
}

.off-canvas-menu.active {
  transform: translateX(0);
}

.off-canvas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3);
}

.off-canvas-header .logo {
  color: var(--color-text);
  font-size: var(--font-size-xl);
}

.off-canvas-header .logo:hover {
  color: var(--color-primary);
}

.close-menu {
  background: none;
  border: none;
  font-size: var(--font-size-3xl);
  cursor: pointer;
  color: var(--color-text-muted);
  padding: var(--space-1);
  line-height: 1;
  transition: color var(--transition-fast);
}

.close-menu:hover {
  color: var(--color-text);
}

/* Off-canvas header right section */
.off-canvas-header__right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.off-canvas-header__right .off-canvas-lang__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.off-canvas-header__right .lang-toggle {
  transform: scale(0.9);
}

.off-canvas-header__right .close-menu {
  margin-left: var(--space-2);
}

.off-canvas-nav ul {
  padding: var(--space-2) var(--space-3);
  list-style: none;
}

.off-canvas-nav li {
  margin-bottom: var(--space-1);
}

.off-canvas-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2);
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--font-size-base);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  min-height: 44px;
}

.off-canvas-nav a .icon {
  font-size: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.off-canvas-nav a:hover,
.off-canvas-nav a.active {
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
}

/* Off-canvas language label (used in header) */
.off-canvas-lang__label {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
}

/* Language toggle switch */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.lang-toggle__track {
  display: flex;
  align-items: center;
  width: 44px;
  height: 24px;
  background: var(--color-border);
  border-radius: 12px;
  padding: 2px;
  transition: background var(--transition-fast);
  cursor: pointer;
}

.lang-toggle__thumb {
  width: 20px;
  height: 20px;
  background: #ffffff;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Active state (English selected) */
.lang-toggle--active .lang-toggle__track {
  background: var(--color-secondary);
}

.lang-toggle--active .lang-toggle__thumb {
  transform: translateX(20px);
}

.lang-toggle:hover .lang-toggle__track {
  background: var(--color-text-muted);
}

.lang-toggle--active:hover .lang-toggle__track {
  background: var(--color-secondary);
  opacity: 0.9;
}

/* Off-canvas copyright */
.off-canvas-copyright {
  margin-top: auto;
  padding: var(--space-3);
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

/* Overlay */
.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background-color: rgba(0, 0, 0, 0);
  z-index: var(--z-overlay);
  transition: background-color var(--transition-base);
}

.overlay.active {
  display: block;
  background-color: rgba(0, 0, 0, 0.5);
}

/* ==========================================
   3. HERO SECTION
   ========================================== */

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: transparent;
  color: var(--color-text);
  overflow: hidden;
  padding: var(--space-8) 0;
}

/* Hero New Year - Bính Ngọ 2026 */
.hero--newyear {
  min-height: 70vh;
  background: transparent;
  color: var(--color-text);
}

/* ==========================================
   HERO TRADING
   ========================================== */

.hero--trading {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  overflow: hidden;
  padding: var(--space-8) 0;
}

.hero--trading .hero__chart {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  opacity: 0.15;
}

.hero--trading .hero__chart-line {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  animation: chartDraw 3s ease-out forwards;
}

@keyframes chartDraw {
  to {
    stroke-dashoffset: 0;
  }
}

.hero--trading .hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
}

.hero--trading .hero__logo-mark img {
  width: 72px;
  height: 72px;
  animation: heroFadeIn 0.8s ease-out both;
}

.hero--trading .hero__title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  letter-spacing: -0.02em;
  animation: heroFadeIn 0.8s ease-out 0.2s both;
}

.hero--trading .hero__tagline {
  font-size: var(--font-size-lg);
  color: var(--color-muted);
  margin: 0;
  animation: heroFadeIn 0.8s ease-out 0.4s both;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .hero--trading {
    min-height: 40vh;
    padding: var(--space-6) 0;
  }
  
  .hero--trading .hero__logo-mark img {
    width: 56px;
    height: 56px;
  }
}

/* ==========================================
   HERO CAROUSEL
   ========================================== */

.hero--carousel {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-7) var(--space-4) var(--space-6);
  background: var(--color-bg);
  overflow: hidden;
}

.hero__intro {
  text-align: center;
  margin-bottom: var(--space-5);
  animation: heroFadeIn 0.6s ease-out both;
}

.hero__intro .hero__logo-mark img {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-2);
}

.hero--carousel .hero__title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-1) 0;
  letter-spacing: -0.02em;
}

.hero--carousel .hero__tagline {
  font-size: var(--font-size-base);
  color: var(--color-muted);
  margin: 0;
}

.hero__carousel {
  width: 100%;
  max-width: 900px;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.hero__track {
  display: flex;
  gap: var(--space-4);
  animation: carouselScroll 20s linear infinite;
  width: max-content;
}

.hero__track:hover {
  animation-play-state: paused;
}

@keyframes carouselScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.hero__card {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  width: 140px;
  height: 140px;
  padding: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: all var(--transition-base);
}

.hero__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(47, 129, 247, 0.5);
}

.hero__card .icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.hero__card-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.hero__card-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.hero__card-desc {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: center;
}

.hero__card--highlight {
  background: linear-gradient(135deg, rgba(252, 112, 121, 0.08) 0%, rgba(168, 85, 247, 0.08) 100%);
  border-color: rgba(252, 112, 121, 0.2);
}

.hero__card--highlight:hover {
  border-color: rgba(252, 112, 121, 0.5);
}

@media (max-width: 768px) {
  .hero--carousel {
    padding: var(--space-5) var(--space-3) var(--space-4);
  }
  
  .hero__intro .hero__logo-mark img {
    width: 48px;
    height: 48px;
  }
  
  .hero__card {
    width: 120px;
    height: 120px;
  }
  
  .hero__card .icon,
  .hero__card-logo {
    width: 28px;
    height: 28px;
  }
}

/* Hero Minimal - Apple-like */
.hero--minimal {
  min-height: 60vh;
  background: transparent;
  padding: var(--space-8) 0 var(--space-6);
}

.hero--minimal .hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
}

/* ==================== TENTRADE HERO ==================== */
.hero--tentrade {
  position: relative;
  min-height: 70vh;
  overflow: hidden;
}

.hero--tentrade .hero__content {
  position: relative;
  z-index: 1;
  gap: var(--space-3);
}

/* Logo with Pulse Rings */
.hero__logo--pulse {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__logo--pulse img {
  width: clamp(100px, 20vw, 160px);
  height: auto;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 8px 32px rgba(10, 32, 214, 0.3));
  opacity: 0;
  animation: 
    heroLogoEntrance 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
    heroLogoFloat 4s ease-in-out 1.5s infinite;
}

@keyframes heroLogoEntrance {
  from {
    opacity: 0;
    transform: scale(0.5) rotate(-10deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

.hero__logo-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  opacity: 0;
  animation: heroRingPulse 3s ease-out infinite;
}

.hero__logo-ring--delay {
  animation-delay: 1.5s;
}

@keyframes heroRingPulse {
  0% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.8;
  }
  100% {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
  }
}

/* Logo 3D Flip Animation */
.hero__logo--3d {
  perspective: 1000px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__logo--3d img {
  width: clamp(100px, 20vw, 160px);
  height: auto;
  opacity: 0;
  animation: 
    heroLogoEnter 0.8s ease-out forwards,
    heroLogoFloat 4s ease-in-out 1s infinite;
}

@keyframes heroLogoEnter {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes heroLogoFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-12px) scale(1.03);
  }
}

/* Brand Name & Tagline */
.hero__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  animation: heroFadeIn 1s ease-out 0.3s both;
}

.hero__brand-name {
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1;
  margin-top: var(--space-3);
}

.hero__brand-tagline {
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-top: var(--space-1);
}

.hero__brand .hero__desc {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-text);
  margin-top: var(--space-2);
}

.hero__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  text-align: center;
  max-width: 500px;
  animation: heroFadeIn 1s ease-out 0.5s both;
}

.hero--tentrade .hero-actions {
  margin-top: var(--space-2);
  animation: heroFadeIn 1s ease-out 0.7s both;
}

/* ==================== END TENTRADE HERO ==================== */

.hero__logo {
  opacity: 0;
  animation: 
    heroFadeIn 1s ease-out forwards,
    heroLogoFloat 4s ease-in-out 1.2s infinite;
}

.hero__logo img {
  width: clamp(80px, 15vw, 120px);
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(10, 32, 214, 0.15));
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--color-primary);
  text-transform: uppercase;
  animation: heroFadeIn 1s ease-out 0.2s both;
}

.hero--minimal .hero__title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.3;
  padding-bottom: 0.1em;
  color: var(--color-text-heading);
  animation: heroFadeIn 1s ease-out 0.4s both;
}

.hero__tagline {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
  margin-top: calc(-1 * var(--space-2));
  animation: heroFadeIn 1s ease-out 0.6s both;
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* Falling Petals Animation */
.hero__petals {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.petal {
  position: absolute;
  width: 12px;
  height: 12px;
  background: radial-gradient(
    ellipse at 30% 30%,
    #ffb7c5 0%,
    #ff8fa3 50%,
    #ff6b8a 100%
  );
  border-radius: 50% 0 50% 50%;
  opacity: 0;
  animation: petalFall linear infinite;
  transform-origin: center;
}

.petal::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
}

@keyframes petalFall {
  0% {
    opacity: 0;
    transform: translateY(-20px) rotate(0deg) scale(0.8);
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(60vh) rotate(360deg) scale(0.4);
  }
}

.petal--1 {
  left: 5%;
  animation-duration: 8s;
  animation-delay: 0s;
  width: 10px;
  height: 10px;
}
.petal--2 {
  left: 15%;
  animation-duration: 10s;
  animation-delay: 1s;
  width: 14px;
  height: 14px;
}
.petal--3 {
  left: 25%;
  animation-duration: 9s;
  animation-delay: 2s;
  width: 8px;
  height: 8px;
}
.petal--4 {
  left: 35%;
  animation-duration: 11s;
  animation-delay: 0.5s;
  width: 12px;
  height: 12px;
}
.petal--5 {
  left: 45%;
  animation-duration: 8s;
  animation-delay: 3s;
  width: 10px;
  height: 10px;
}
.petal--6 {
  left: 55%;
  animation-duration: 10s;
  animation-delay: 1.5s;
  width: 14px;
  height: 14px;
}
.petal--7 {
  left: 65%;
  animation-duration: 9s;
  animation-delay: 2.5s;
  width: 8px;
  height: 8px;
}
.petal--8 {
  left: 75%;
  animation-duration: 11s;
  animation-delay: 0.8s;
  width: 12px;
  height: 12px;
}
.petal--9 {
  left: 85%;
  animation-duration: 8s;
  animation-delay: 1.8s;
  width: 10px;
  height: 10px;
}
.petal--10 {
  left: 95%;
  animation-duration: 10s;
  animation-delay: 2.8s;
  width: 14px;
  height: 14px;
}
.petal--11 {
  left: 10%;
  animation-duration: 12s;
  animation-delay: 4s;
  width: 11px;
  height: 11px;
}
.petal--12 {
  left: 70%;
  animation-duration: 9s;
  animation-delay: 3.5s;
  width: 9px;
  height: 9px;
}

@media (prefers-reduced-motion: reduce) {
  .petal {
    animation: none;
    opacity: 0;
  }
}

.hero__particles {
  position: absolute;
  inset: 0;
}

.hero__particles span {
  position: absolute;
  width: 6px;
  height: 6px;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  border-radius: 50%;
  animation: sparkle 3s ease-in-out infinite;
  opacity: 0;
}

.hero__particles span:nth-child(1) {
  left: 10%;
  top: 20%;
  animation-delay: 0s;
}
.hero__particles span:nth-child(2) {
  left: 20%;
  top: 60%;
  animation-delay: 0.5s;
}
.hero__particles span:nth-child(3) {
  left: 35%;
  top: 30%;
  animation-delay: 1s;
}
.hero__particles span:nth-child(4) {
  left: 50%;
  top: 70%;
  animation-delay: 0.3s;
}
.hero__particles span:nth-child(5) {
  left: 65%;
  top: 25%;
  animation-delay: 0.8s;
}
.hero__particles span:nth-child(6) {
  left: 75%;
  top: 55%;
  animation-delay: 1.2s;
}
.hero__particles span:nth-child(7) {
  left: 85%;
  top: 35%;
  animation-delay: 0.6s;
}
.hero__particles span:nth-child(8) {
  left: 90%;
  top: 75%;
  animation-delay: 1.5s;
}
.hero__particles span:nth-child(9) {
  left: 45%;
  top: 15%;
  animation-delay: 0.2s;
}

@keyframes sparkle {
  0%,
  100% {
    opacity: 0;
    transform: scale(0.5) translateY(0);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.5) translateY(-10px);
  }
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: var(--space-6);
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__year {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero__title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-4);
  padding-bottom: 0.1em;
  color: var(--color-text-heading);
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero__wish {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero::before {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: var(--space-7) var(--space-3);
}

.hero-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.hero-logo {
  width: clamp(96px, 18vw, 168px);
  height: auto;
  filter: drop-shadow(0 12px 30px rgba(10, 32, 214, 0.2));
  opacity: 1;
  animation: hero-logo-float 4s ease-in-out infinite;
  will-change: transform;
}

.hero h1 {
  margin-bottom: var(--space-4);
  color: var(--color-text);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-6);
  color: var(--color-text-light);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* Hero Actions - Button group for hero section */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

.hero-actions .btn {
  min-width: 180px;
}

.hero .btn {
  margin: 0 var(--space-1);
}

.hero-content > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-1);
}

.hero-content > div .btn {
  margin: 0;
}

/* Hero Compact - Subpage variant */
.hero--compact {
  min-height: auto;
  padding: var(--space-6) 0;
}

.hero--compact .hero-content {
  padding: var(--space-5) var(--space-3);
}

.hero--compact h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-2);
}

.hero--compact p {
  margin-bottom: var(--space-4);
}

/* Page Hero - Section header with background image */
.page-hero {
  position: relative;
  padding: var(--space-8) var(--space-3);
  text-align: center;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-soft);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 32, 214, 0.85) 0%,
    rgba(0, 0, 0, 0.7) 100%
  );
  z-index: 1;
}

.page-hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.page-hero__tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: var(--space-0) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-hero__title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.page-hero__desc {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin: 0;
}

/* Page Hero - Light variant */
.page-hero--light::before {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.92) 0%,
    rgba(245, 248, 255, 0.88) 100%
  );
}

.page-hero--light .page-hero__tag {
  background: var(--color-primary);
  color: #fff;
  border-color: transparent;
}

.page-hero--light .page-hero__title {
  color: var(--color-text);
}

.page-hero--light .page-hero__desc {
  color: var(--color-muted);
}

/* Page Hero - Gradient overlay variant */
.page-hero--gradient::before {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-accent) 100%
  );
  opacity: 0.9;
}

@media (max-width: 768px) {
  .page-hero {
    padding: var(--space-6) var(--space-2);
    min-height: 220px;
  }

  .page-hero__desc {
    font-size: var(--font-size-base);
  }
}

/* ==========================================
   TRUST STATS - Modern animated stats bar
   ========================================== */

.trust-stats {
  position: relative;
  padding: var(--space-6) 0;
  background: transparent;
  overflow: hidden;
}

.trust-stats::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 100%;
  background: radial-gradient(
    ellipse at center,
    rgba(10, 32, 214, 0.06) 0%,
    rgba(99, 102, 241, 0.03) 40%,
    transparent 70%
  );
  pointer-events: none;
}

.trust-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.trust-stats__item {
  position: relative;
  text-align: center;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 24px rgba(10, 32, 214, 0.06);
  transition: var(--transition-base);
}

.trust-stats__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(10, 32, 214, 0.12);
  border-color: rgba(10, 32, 214, 0.2);
}

.trust-stats__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-2);
  border-radius: var(--radius-md);
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  color: #fff;
  font-size: 1.5rem;
}

.trust-stats__value {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: var(--space-1);
}

.trust-stats__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Trust Stats - Compact variant (inline) */
.trust-stats--compact {
  padding: var(--space-4) 0;
}

.trust-stats--compact .trust-stats__grid {
  gap: var(--space-2);
}

.trust-stats--compact .trust-stats__item {
  padding: var(--space-3);
  background: transparent;
  border: none;
  box-shadow: none;
}

.trust-stats--compact .trust-stats__item:hover {
  transform: none;
  box-shadow: none;
}

.trust-stats--compact .trust-stats__icon {
  width: 40px;
  height: 40px;
  font-size: 1.25rem;
}

.trust-stats--compact .trust-stats__value {
  font-size: var(--font-size-xl);
}

/* Trust Stats - Dark variant */
.trust-stats--dark {
  background: linear-gradient(
    135deg,
    rgba(10, 32, 214, 0.95) 0%,
    rgba(99, 102, 241, 0.9) 100%
  );
}

.trust-stats--dark::before,
.trust-stats--dark::after {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
}

.trust-stats--dark .trust-stats__item {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.trust-stats--dark .trust-stats__item:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
}

.trust-stats--dark .trust-stats__icon {
  background: rgba(255, 255, 255, 0.2);
}

.trust-stats--dark .trust-stats__value {
  background: #fff;
  -webkit-background-clip: text;
  background-clip: text;
}

.trust-stats--dark .trust-stats__label {
  color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 992px) {
  .trust-stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .trust-stats {
    padding: var(--space-5) 0;
  }

  .trust-stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }

  .trust-stats__item {
    padding: var(--space-3);
  }

  .trust-stats__icon {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }

  .trust-stats__value {
    font-size: var(--font-size-xl);
  }

  .trust-stats__label {
    font-size: var(--font-size-xs);
  }
}

@keyframes hero-logo-float {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-8px) scale(1.02);
  }
}

@keyframes hero-logo-spin-fade {
  0% {
    opacity: 0;
    transform: translateY(10px) rotate(-8deg) scale(0.98);
  }
  20% {
    opacity: 1;
    transform: translateY(0) rotate(0deg) scale(1);
  }
  60% {
    opacity: 0.9;
    transform: translateY(-4px) rotate(8deg) scale(1.01);
  }
  100% {
    opacity: 0;
    transform: translateY(6px) rotate(16deg) scale(0.98);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-logo {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* ==========================================
   4b. SECTION LAYOUT
   ========================================== */

.section {
  padding: var(--space-8) 0;
  overflow-x: hidden;
}

.section--alt {
  background: var(--color-bg-soft);
}

.section--tree-home {
  padding-top: 0;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-2);
  color: var(--color-text-heading);
}

.section-title--tree-home {
  text-wrap: balance;
}

.section-title__break-mobile {
  display: none;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.section-header .section-title {
  margin-bottom: var(--space-2);
}

.section-desc,
.section-header .section-desc {
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
  color: var(--color-text);
}

.section-footer {
  display: flex;
  justify-content: center;
  margin-top: var(--space-6);
}

/* ==========================================
   4c. BLOG GRID & CARDS
   ========================================== */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

@media (max-width: 992px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
}

.card-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* ==========================================
   4d. TOOLS GRID & CARDS
   ========================================== */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

@media (max-width: 640px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.tool-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-3);
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
}

.tool-card__icon .icon {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
}

.tool-card__content {
  flex: 1;
  margin-bottom: var(--space-4);
}

.tool-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.tool-card p {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.5;
}

.tool-card .btn {
  min-width: 120px;
}

/* ========================================
   HERO NEW YEAR - TenTrade Tết 2026
   ======================================== */
.hero-newyear {
  position: relative;
  width: 100vw;
  min-height: 100vh; /* fallback */
  min-height: 100dvh; /* dynamic viewport height cho mobile */
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-top: 0;
  margin-bottom: 0;
  padding: 0; /* loại bỏ padding dư */
}

.hero-newyear .hero__content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  /* giữ khoảng cách nội dung bên trong, nhưng có thể giảm cho mobile */
  padding: var(--space-6);
}

@media (max-width: 768px) {
  .hero-newyear .hero__content {
    padding: var(--space-4); /* giảm padding trên mobile */
  }
}

/* Logo Mark */
.hero__logo-mark {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: clamp(1rem, 3vh, 2rem);
  animation: logoReveal 1s ease-out both;
}

.hero__logo-mark img {
  width: clamp(56px, 12vw, 80px);
  height: auto;
  filter: drop-shadow(0 4px 8px rgba(199, 8, 196, 0.2));
  transition: transform 0.3s ease;
}

.hero__logo-mark img:hover {
  transform: scale(1.05);
}

@keyframes logoReveal {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Top Label */
.hero__label-top {
  font-size: clamp(0.75rem, 2vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.5em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  animation: fadeSlideDown 0.8s ease-out both;
}

@keyframes fadeSlideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Year Display Container */
.hero__year-display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(0.25rem, 2vw, 1rem);
  margin-bottom: var(--space-2);
}

/* Decorative lines */
.hero__year-display::before,
.hero__year-display::after {
  content: "";
  width: clamp(30px, 8vw, 80px);
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    #fc7079,
    #c708c4,
    transparent
  );
}

/* Individual Digits */
.year-digit {
  font-family: "Roboto", system-ui, sans-serif;
  font-size: clamp(5rem, 20vw, 14rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #fc7079 0%, #c708c4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  animation: digitReveal 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.year-digit::after {
  content: attr(data-digit);
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 50%,
    rgba(199, 8, 196, 0.1) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Staggered animation for each digit */
.year-digit--1 {
  animation-delay: 0.1s;
}
.year-digit--2 {
  animation-delay: 0.2s;
}
.year-digit--3 {
  animation-delay: 0.3s;
}
.year-digit--4 {
  animation-delay: 0.4s;
}

@keyframes digitReveal {
  0% {
    opacity: 0;
    transform: translateY(50px) scale(0.8) rotateX(45deg);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1) rotateX(0deg);
  }
}

/* Hover effect for digits */
.year-digit:hover {
  animation: digitPulse 0.5s ease-in-out;
}

@keyframes digitPulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Bottom Label */
.hero__label-bottom {
  font-size: clamp(0.65rem, 1.5vw, 0.875rem);
  font-weight: 400;
  letter-spacing: 0.4em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  animation: fadeSlideUp 0.8s ease-out 0.5s both;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .hero__label-top,
  .hero__label-bottom {
    letter-spacing: 0.3em;
  }

  .year-digit {
    font-size: clamp(4rem, 18vw, 6rem);
  }

  .hero__year-display::before,
  .hero__year-display::after {
    width: 20px;
  }
}

/* ========================================
   FIREWORKS ANIMATION - TenTrade Style
   ======================================== */
.hero__fireworks {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-newyear .firework {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #dc2626;
  box-shadow:
    0 0 10px #dc2626,
    0 0 20px #ef4444,
    0 0 30px #f87171;
  animation: fireworkBurstTen 4s ease-out infinite;
}

.hero-newyear .firework::before,
.hero-newyear .firework::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: inherit;
  box-shadow: inherit;
}

.hero-newyear .firework::before {
  animation: fireworkSparkle 4s ease-out infinite;
}

.hero-newyear .firework::after {
  animation: fireworkSparkle 4s ease-out 0.1s infinite;
}

@keyframes fireworkBurstTen {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  30% {
    transform: translateY(30vh) scale(1);
    opacity: 1;
  }
  50% {
    transform: translateY(25vh) scale(1.5);
    opacity: 0.8;
  }
  100% {
    transform: translateY(20vh) scale(0);
    opacity: 0;
  }
}

@keyframes fireworkSparkle {
  0%,
  30% {
    transform: translate(0, 0) scale(1);
    opacity: 0;
  }
  35% {
    opacity: 1;
  }
  100% {
    transform: translate(var(--x, 30px), var(--y, -30px)) scale(0);
    opacity: 0;
  }
}

.hero-newyear .firework--1 {
  left: 10%;
  animation-delay: 0s;
  --x: -40px;
  --y: -50px;
}
.hero-newyear .firework--1::before {
  --x: 50px;
  --y: -30px;
}
.hero-newyear .firework--1::after {
  --x: -20px;
  --y: 40px;
}

.hero-newyear .firework--2 {
  left: 30%;
  animation-delay: 1s;
  background: #ef4444;
  box-shadow:
    0 0 10px #ef4444,
    0 0 20px #f87171;
  --x: 45px;
  --y: -40px;
}
.hero-newyear .firework--2::before {
  --x: -35px;
  --y: -45px;
}
.hero-newyear .firework--2::after {
  --x: 25px;
  --y: 35px;
}

.hero-newyear .firework--3 {
  left: 70%;
  animation-delay: 2s;
  background: #ffd700;
  box-shadow:
    0 0 10px #ffd700,
    0 0 20px #ffa500;
  --x: -30px;
  --y: -60px;
}
.hero-newyear .firework--3::before {
  --x: 40px;
  --y: -25px;
}
.hero-newyear .firework--3::after {
  --x: -45px;
  --y: 30px;
}

.hero-newyear .firework--4 {
  left: 90%;
  animation-delay: 3s;
  background: #f87171;
  box-shadow:
    0 0 10px #f87171,
    0 0 20px #fca5a5;
  --x: 35px;
  --y: -55px;
}
.hero-newyear .firework--4::before {
  --x: -50px;
  --y: -20px;
}
.hero-newyear .firework--4::after {
  --x: 30px;
  --y: 45px;
}

/* ========================================
   FALLING CHERRY BLOSSOMS (HOA ĐÀO) - TenTrade
   ======================================== */
.hero__petals {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.hero-newyear .petal {
  position: absolute;
  font-size: clamp(14px, 3vw, 24px);
  opacity: 0;
  animation: petalFallTen linear infinite;
  filter: drop-shadow(0 2px 4px rgba(252, 112, 121, 0.3));
}

@keyframes petalFallTen {
  0% {
    opacity: 0;
    transform: translateY(-20px) rotate(0deg) scale(0.8);
  }
  10% {
    opacity: 0.9;
  }
  90% {
    opacity: 0.9;
  }
  100% {
    opacity: 0;
    transform: translateY(100vh) rotate(360deg) scale(0.6);
  }
}

/* Staggered petals */
.hero-newyear .petal--1 {
  left: 5%;
  animation-duration: 8s;
  animation-delay: 0s;
}
.hero-newyear .petal--2 {
  left: 12%;
  animation-duration: 10s;
  animation-delay: 1.5s;
  font-size: 18px;
}
.hero-newyear .petal--3 {
  left: 20%;
  animation-duration: 9s;
  animation-delay: 3s;
}
.hero-newyear .petal--4 {
  left: 28%;
  animation-duration: 11s;
  animation-delay: 0.5s;
  font-size: 16px;
}
.hero-newyear .petal--5 {
  left: 38%;
  animation-duration: 12s;
  animation-delay: 2s;
}
.hero-newyear .petal--6 {
  left: 48%;
  animation-duration: 9s;
  animation-delay: 4s;
  font-size: 20px;
}
.hero-newyear .petal--7 {
  left: 55%;
  animation-duration: 10s;
  animation-delay: 1s;
}
.hero-newyear .petal--8 {
  left: 62%;
  animation-duration: 8s;
  animation-delay: 3.5s;
  font-size: 14px;
}
.hero-newyear .petal--9 {
  left: 72%;
  animation-duration: 11s;
  animation-delay: 0.8s;
}
.hero-newyear .petal--10 {
  left: 80%;
  animation-duration: 9s;
  animation-delay: 2.5s;
  font-size: 22px;
}
.hero-newyear .petal--11 {
  left: 88%;
  animation-duration: 10s;
  animation-delay: 1.8s;
}
.hero-newyear .petal--12 {
  left: 95%;
  animation-duration: 8s;
  animation-delay: 4.5s;
  font-size: 16px;
}

/* ========================================
   FALLING APRICOT BLOSSOMS (HOA MAI)
   ======================================== */
.hero__mai {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.mai {
  position: absolute;
  font-size: clamp(16px, 3.5vw, 28px);
  color: #ffd700;
  opacity: 0;
  animation: maiFall linear infinite;
  filter: drop-shadow(0 2px 6px rgba(255, 215, 0, 0.5));
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
}

@keyframes maiFall {
  0% {
    opacity: 0;
    transform: translateY(-30px) rotate(0deg) scale(0.9);
  }
  8% {
    opacity: 1;
  }
  50% {
    transform: translateY(50vh) rotate(180deg) translateX(20px) scale(1);
  }
  92% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(100vh) rotate(400deg) translateX(-10px) scale(0.7);
  }
}

/* Staggered mai */
.mai--1 {
  left: 8%;
  animation-duration: 9s;
  animation-delay: 0.5s;
}
.mai--2 {
  left: 18%;
  animation-duration: 11s;
  animation-delay: 2s;
  font-size: 20px;
}
.mai--3 {
  left: 25%;
  animation-duration: 8s;
  animation-delay: 3.5s;
}
.mai--4 {
  left: 35%;
  animation-duration: 10s;
  animation-delay: 1s;
  font-size: 24px;
}
.mai--5 {
  left: 45%;
  animation-duration: 12s;
  animation-delay: 4s;
}
.mai--6 {
  left: 58%;
  animation-duration: 9s;
  animation-delay: 0.8s;
  font-size: 18px;
}
.mai--7 {
  left: 68%;
  animation-duration: 11s;
  animation-delay: 2.8s;
}
.mai--8 {
  left: 78%;
  animation-duration: 8s;
  animation-delay: 1.5s;
  font-size: 22px;
}
.mai--9 {
  left: 85%;
  animation-duration: 10s;
  animation-delay: 3s;
}
.mai--10 {
  left: 92%;
  animation-duration: 9s;
  animation-delay: 5s;
  font-size: 16px;
}

/* ========================================
   FALLING TREASURES (BTC, Money)
   ======================================== */
.hero__treasures {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.treasure {
  position: absolute;
  font-size: 24px;
  opacity: 0;
  animation: treasureFall linear infinite;
  filter: drop-shadow(0 2px 8px rgba(220, 38, 38, 0.3));
}

@keyframes treasureFall {
  0% {
    opacity: 0;
    transform: translateY(-50px) rotate(0deg);
  }
  10% {
    opacity: 0.7;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    opacity: 0;
    transform: translateY(100vh) rotate(360deg);
  }
}

.treasure--1 {
  left: 5%;
  animation-duration: 10s;
  animation-delay: 0s;
  font-size: 20px;
}
.treasure--2 {
  left: 15%;
  animation-duration: 12s;
  animation-delay: 1.5s;
  font-size: 28px;
}
.treasure--3 {
  left: 30%;
  animation-duration: 9s;
  animation-delay: 3s;
  font-size: 18px;
}
.treasure--4 {
  left: 45%;
  animation-duration: 11s;
  animation-delay: 0.5s;
  font-size: 26px;
}
.treasure--5 {
  left: 60%;
  animation-duration: 10s;
  animation-delay: 2s;
  font-size: 22px;
}
.treasure--6 {
  left: 75%;
  animation-duration: 13s;
  animation-delay: 4s;
  font-size: 24px;
}
.treasure--7 {
  left: 85%;
  animation-duration: 9s;
  animation-delay: 1s;
  font-size: 20px;
}
.treasure--8 {
  left: 95%;
  animation-duration: 11s;
  animation-delay: 2.5s;
  font-size: 26px;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .hero-newyear .firework,
  .treasure,
  .mai,
  .hero-newyear .petal,
  .hero__logo-mark,
  .year-digit {
    animation: none;
  }
  .hero-newyear .firework {
    opacity: 0;
  }
  .treasure {
    opacity: 0;
  }
  .mai {
    opacity: 0;
  }
  .hero-newyear .petal {
    opacity: 0;
  }
  .year-digit {
    opacity: 1;
  }
}

/* Mobile adjustments for animations */
@media (max-width: 768px) {
  .hero.hero-newyear {
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    height: 100dvh;
    padding: 0;
  }

  .treasure {
    font-size: 16px;
  }

  .hero-newyear .firework {
    width: 4px;
    height: 4px;
  }
}

/* Feature Showcase - Split Layout */
.feature-section {
  padding: var(--space-6) 0;
}

.feature-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}

@media (min-width: 960px) {
  .feature-showcase {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-7);
  }
}

.feature-showcase__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-showcase__content .badge {
  align-self: flex-start;
}

.feature-showcase__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
}

@media (min-width: 768px) {
  .feature-showcase__title {
    font-size: var(--font-size-3xl);
  }
}

.feature-showcase__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.7;
}

.feature-showcase__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.feature-showcase__list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.feature-showcase__list .icon {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
}

.feature-showcase__list code {
  background: rgba(47, 129, 247, 0.1);
  padding: 0.1em 0.4em;
  border-radius: var(--radius-sm);
  font-family: "Consolas", "Monaco", monospace;
  font-size: 0.9em;
  color: var(--color-primary);
}

/* Code Preview - IDE Style */
.feature-showcase__preview {
  order: -1;
}

@media (min-width: 960px) {
  .feature-showcase__preview {
    order: 0;
  }
}

.code-preview {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.code-preview__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(47, 129, 247, 0.04);
  border-bottom: 1px solid var(--color-border);
}

.code-preview__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
}

.code-preview__dot:nth-child(1) {
  background: #ff5f56;
}

.code-preview__dot:nth-child(2) {
  background: #ffbd2e;
}

.code-preview__dot:nth-child(3) {
  background: #27ca40;
}

.code-preview__title {
  margin-left: auto;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-family: "Consolas", "Monaco", monospace;
}

.code-preview__code {
  margin: 0;
  padding: var(--space-4);
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text);
  background: transparent;
  overflow-x: auto;
  white-space: pre;
}

/* Tool Card Featured */
.tool-card--featured {
  padding: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.tool-card--featured:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(47, 129, 247, 0.3);
  transform: translateY(-2px);
}

.tool-card--featured .tool-card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-2);
}

.tool-card--featured .tool-card__icon .icon {
  width: 32px;
  height: 32px;
}

.tool-card--featured .btn {
  margin-top: auto;
  width: 100%;
  justify-content: center;
}

.tool-card--featured .btn .icon {
  width: 16px;
  height: 16px;
}

/* Tools Grid 2-column variant */
.tools-grid--2col {
  max-width: 800px;
  margin: 0 auto;
}

/* Tools Grid 3-column variant */
.tools-grid--3col {
  grid-template-columns: repeat(3, 1fr);
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .tools-grid--3col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .tools-grid--3col {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   TENTRADE PROMO SECTION
   ========================================== */

.section--tentrade-promo {
  padding: var(--space-6) 0;
}

.tentrade-promo {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.tentrade-promo:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(47, 129, 247, 0.5);
}

.tentrade-promo__logo {
  flex-shrink: 0;
}

.tentrade-promo__logo img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.tentrade-promo__content {
  flex: 1;
  min-width: 0;
}

.tentrade-promo__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-1) 0;
}

.tentrade-promo__desc {
  font-size: var(--font-size-base);
  color: var(--color-muted);
  margin: 0;
  line-height: 1.5;
}

.tentrade-promo .btn--lg {
  flex-shrink: 0;
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-base);
}

@media (max-width: 768px) {
  .tentrade-promo {
    flex-direction: column;
    text-align: center;
    padding: var(--space-5) var(--space-4);
  }
  
  .tentrade-promo__logo img {
    width: 64px;
    height: 64px;
  }
  
  .tentrade-promo__title {
    font-size: var(--font-size-xl);
  }
  
  .tentrade-promo__desc {
    font-size: var(--font-size-sm);
  }
  
  .tentrade-promo .btn--lg {
    width: 100%;
    justify-content: center;
  }
}

/* Special Promotion Banner */
.tentrade-promo--special {
  position: relative;
  flex-direction: column;
  text-align: center;
  background: linear-gradient(135deg, var(--color-bg) 0%, rgba(47, 129, 247, 0.05) 100%);
  border: 2px solid rgba(47, 129, 247, 0.3);
}

.tentrade-promo--special:hover {
  border-color: rgba(47, 129, 247, 0.6);
}

.tentrade-promo__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  color: white;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.tentrade-promo__benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-4) 0;
  text-align: left;
}

.promo-benefit {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.promo-benefit__icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.promo-benefit__text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.5;
}

.promo-benefit__text strong {
  color: var(--color-primary);
}

.tentrade-promo__note {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  margin: var(--space-3) 0 0 0;
  font-style: italic;
}

@media (min-width: 769px) {
  .tentrade-promo--special {
    flex-direction: row;
    flex-wrap: wrap;
    text-align: left;
  }
  
  .tentrade-promo--special .tentrade-promo__logo {
    order: 1;
  }
  
  .tentrade-promo--special .tentrade-promo__content {
    order: 2;
    flex: 1;
  }
  
  .tentrade-promo--special .btn {
    order: 3;
  }
  
  .tentrade-promo__benefits {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .promo-benefit {
    flex: 1;
    min-width: 200px;
  }
}

/* ==========================================
   4. PRICING SECTION
   ========================================== */

/* Brand Pricing Header */
.pricing-header--brand {
  text-align: center;
  margin-bottom: var(--space-8);
}

.pricing-header--brand h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
  color: var(--color-text-heading);
}

.pricing-header--brand p {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  max-width: 600px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding-top: var(--space-2); /* Space for featured badge */
}

.pricing-card {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--color-primary);
  border-top-width: 3px;
  box-shadow: 0 4px 12px rgba(47, 129, 247, 0.15);
}

.pricing-card.featured::before {
  content: "Đề xuất";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-primary);
  color: #fff;
  padding: var(--space-0) var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

html[lang="en"] .pricing-card.featured::before {
  content: "Recommended";
}

/* GitHub-style Pricing Card Elements */
.pricing-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.pricing-card__icon .icon {
  font-size: 24px;
  color: #fff;
}

.pricing-card__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.pricing-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-4);
  min-height: 42px;
}

.pricing-badge {
  display: inline-block;
  width: fit-content;
  padding: var(--space-1) var(--space-2); /* 8px 16px */
  background-color: var(--color-bg-muted);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.pricing-balance {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.pricing-pill {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-text);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  margin-bottom: var(--space-2);
}

.pricing-price {
  margin-bottom: var(--space-3);
  display: flex;
  align-items: flex-end;
  gap: 2px;
}

.pricing-currency {
  font-size: var(--font-size-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 6px;
}

.pricing-amount {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.pricing-meta {
  display: flex;
  flex-direction: column;
  margin-left: var(--space-1);
  line-height: 1.4;
}

.pricing-suffix {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-muted);
  line-height: 1;
}

.pricing-desc {
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.pricing-features li {
  padding: var(--space-1) 0;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.pricing-features li::before {
  content: "";
  width: 1em;
  height: 1em;
  background-color: var(--color-primary);
  -webkit-mask: url("../icon/ui-check.svg") center / contain no-repeat;
  mask: url("../icon/ui-check.svg") center / contain no-repeat;
}

.pricing-card .btn {
  width: 100%;
  margin-top: auto;
}

.pricing-card__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: auto;
}

.pricing-card__actions .btn {
  width: 100%;
}

.pricing-card__actions .btn--ghost {
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
}

/* ==========================================
   5. COMPARISON TABLE
   ========================================== */

.comparison-table-wrapper {
  overflow-x: auto;
  margin-top: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  box-shadow: 0 0 0 1px rgba(240, 246, 252, 0.05);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-2);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table thead th {
  background-color: var(--color-bg-soft);
  font-weight: 700;
  color: var(--color-text);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table tbody tr:hover {
  background-color: rgba(47, 129, 247, 0.05);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table .label-col {
  font-weight: 600;
  color: var(--color-text);
  width: 200px;
}

/* ==========================================
   DATA TABLE - Generic data tables
   ========================================== */

.data-table-wrapper {
  overflow-x: auto;
  margin: var(--space-4) 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.data-table th:first-child,
.data-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--color-heading);
}

.data-table thead th {
  background: var(--color-bg-soft);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table tbody tr {
  background-color: var(--color-bg);
  transition: background-color 0.15s ease;
}

.data-table tbody tr:nth-child(even) {
  background-color: rgba(248, 250, 252, 0.5);
}

.data-table tbody tr:hover {
  background-color: rgba(10, 32, 214, 0.03);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* Icon indicator in table */
.data-table .icon-cell {
  font-size: var(--font-size-lg);
}

.data-table .icon-check {
  color: var(--color-success);
}

.data-table .icon-cross {
  color: var(--color-danger);
}

/* ==========================================
   PRICE TABLE - Vertical account rows layout
   Elegant, minimal design for Terms pages
   ========================================== */

.price-table-wrapper {
  overflow-x: auto;
  margin: var(--space-4) 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.price-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--font-size-sm);
}

.price-table th,
.price-table td {
  padding: var(--space-3) var(--space-4);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

/* Header row */
.price-table thead th {
  background: var(--color-bg-soft);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-border);
}

/* Account column (first column) */
.price-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--color-heading);
}

.price-table td:first-child .icon {
  width: 24px;
  height: 24px;
  margin-right: var(--space-2);
  vertical-align: middle;
}

/* Balance column (second column) */
.price-table td:nth-child(2) {
  color: var(--color-primary);
  font-weight: 700;
}

/* Fee column (last column) */
.price-table td:last-child {
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--font-size-base);
}

/* Body rows */
.price-table tbody tr {
  background-color: var(--color-bg);
  transition: background-color 0.15s ease;
}

.price-table tbody tr:nth-child(even) {
  background-color: rgba(248, 250, 252, 0.5);
}

.price-table tbody tr:hover {
  background-color: rgba(10, 32, 214, 0.03);
}

.price-table tbody tr:last-child td {
  border-bottom: none;
}

/* Featured row (e.g., Gold account) */
.price-table tbody tr.featured-row {
  position: relative;
}

.price-table tbody tr.featured-row td:first-child {
  border-left: 3px solid var(--color-primary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .price-table th,
  .price-table td {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }
}

/* ==========================================
   DOCUMENTS PAGE - GRID
   ========================================== */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 1024px) {
  .docs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .docs-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   6. FAQ SECTION
   ========================================== */

/* FAQ Tabs Navigation */
.faq-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2);
  background: rgba(236, 240, 241, 0.63);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  max-width: fit-content;
  margin-left: auto;
  margin-right: auto;
  position: sticky;
  top: 100px;
  z-index: var(--z-dropdown);
}

.faq-tab {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: var(--radius-xl);
  transition: none;
  white-space: nowrap;
  outline: none;
}

.faq-tab:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}

.faq-tab:focus,
.faq-tab:focus-visible {
  outline: none !important;
  box-shadow: none !important;
}

.faq-tab.active {
  background: var(--color-bg);
  color: var(--color-primary);
}

/* FAQ Content */
.faq-content {
  max-width: 800px;
  margin: 0 auto;
}

.faq-category {
  display: none;
}

.faq-category.active {
  display: block;
}

.faq-list {
  margin: 0;
}

.faq-item {
  margin-bottom: var(--space-3);
  overflow: hidden;
  padding: 0;
}

.faq-question {
  width: 100%;
  padding: var(--space-3);
  background: none;
  border: none;
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--space-3) var(--space-3);
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* FAQ Responsive */
@media (max-width: 640px) {
  .faq-tabs {
    gap: var(--space-1);
    padding: var(--space-1);
  }

  .faq-tab {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-sm);
  }
}

/* ==========================================
   7. PREMIUM PARTNER SECTION
   ========================================== */

.premium-partner-section {
  padding: var(--space-7) 0;
}

.premium-partner-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}

.premium-text h2 {
  margin-bottom: var(--space-2);
}

.premium-text .subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.premium-benefits {
  list-style: none;
  margin-bottom: var(--space-4);
}

.premium-benefits li {
  padding: var(--space-2) 0;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.premium-benefits li::before {
  content: "";
  width: 1.2em;
  height: 1.2em;
  background-color: var(--color-primary);
  -webkit-mask: url("../icon/ui-star.svg") center / contain no-repeat;
  mask: url("../icon/ui-star.svg") center / contain no-repeat;
}

.premium-highlight {
  padding: var(--space-3);
  background: linear-gradient(
    135deg,
    rgba(47, 129, 247, 0.1) 0%,
    rgba(88, 166, 255, 0.1) 100%
  );
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.premium-highlight p {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

.premium-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ==========================================
   8. HOW IT WORKS SECTION
   ========================================== */

.steps-container {
  margin-top: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.step-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 900;
  box-shadow: var(--shadow-md);
}

.step-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.step-content p {
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ==========================================
   9. TESTIMONIALS SECTION
   ========================================== */

.testimonial-card {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.testimonial-rating {
  display: flex;
  gap: var(--space-0);
  color: var(--color-primary);
  font-size: var(--font-size-xl);
}

.testimonial-text {
  color: var(--color-text-light);
  line-height: 1.8;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.author-name {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-0);
}

.author-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ==========================================
   10. PLATFORM SECTION
   ========================================== */

.platform-card {
  padding: var(--space-4);
}

.platform-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.platform-card p {
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ==========================================
   11. TRUST SECTION
   ========================================== */

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.trust-item {
  text-align: center;
}

.trust-item h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.trust-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ==========================================
   12. FOOTER
   ========================================== */

.footer {
  background: #ffffff;
  color: #333333;
  padding: var(--space-5) 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-3);
}

.footer-social {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-social li {
  display: flex;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-subtle);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.footer-social .icon {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  transition: color var(--transition-base);
}

.footer-social a:hover .icon {
  color: #fff;
}

/* WhatsApp prominent button */
.footer-social a[aria-label="WhatsApp"],
.footer-social a[aria-label="WhatsApp"]:hover {
  background: var(--color-primary);
  transform: none;
}

.footer-social a[aria-label="WhatsApp"] .icon {
  color: #ffffff;
}

.footer-copyright {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  opacity: 0.72;
  letter-spacing: 0.02em;
  text-align: center;
}

/* ==========================================
   13. MOBILE BOTTOM NAV
   ========================================== */

.mobile-bottom-nav {
  display: none;
  position: fixed !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  top: auto !important;
  width: 100%;
  background: var(--color-bg);
  border-top: 1px solid rgba(47, 129, 247, 0.1);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
  z-index: 9999 !important;
  padding-bottom: env(safe-area-inset-bottom, 0);
  overflow: hidden;
}

.mobile-bottom-nav ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  height: var(--mobile-nav-height);
  margin: 0;
  padding: 0 8px;
  list-style: none;
  gap: 0;
}

.mobile-bottom-nav li {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.mobile-bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 4px;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  width: 100%;
  height: 100%;
  white-space: nowrap;
  transition: color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.mobile-bottom-nav a:hover,
.mobile-bottom-nav a.active {
  color: var(--color-primary);
}

.mobile-bottom-nav a.active span:not(.icon) {
  font-weight: 700;
}

.mobile-bottom-nav .icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.mobile-bottom-nav .nav-icon-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  margin: 0;
  padding: 0;
  display: block;
  flex-shrink: 0;
}

.mobile-bottom-nav span:not(.icon) {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  line-height: 1.1;
  max-width: 100%;
  display: block;
  text-align: center;
}

/* ==========================================
   14. RESPONSIVE - TABLET
   ========================================== */

@media (max-width: 1024px) {
  .premium-partner-content {
    grid-template-columns: 1fr;
  }

  .premium-image {
    order: -1;
  }

  .pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* ==========================================
   15. RESPONSIVE - MOBILE
   ========================================== */

@media (max-width: 768px) {
  /* ---- Header Mobile ---- */
  #header-include {
    min-height: calc(var(--header-height-mobile) + 1px);
  }

  .main-nav {
    display: none;
  }

  .lang-toggle {
    transform: scale(0.85);
  }

  .header-container {
    min-height: var(--header-height-mobile);
    padding: var(--space-1) var(--space-2);
    gap: var(--space-2);
  }

  .nav-lang {
    margin-left: auto;
    gap: var(--space-1);
    order: 3;
  }

  .logo__icon {
    width: 32px;
    height: 32px;
  }

  .logo img {
    max-height: 32px;
  }

  /* ---- Global Section Spacing Mobile ---- */
  .pricing-section,
  .comparison-section,
  .faq-section,
  .how-it-works-section,
  .testimonials-section,
  .platform-section,
  .trust-section {
    padding: var(--space-6) 0;
  }

  .container {
    padding: 0 var(--space-2);
  }

  /* ---- Section Headers Mobile ---- */
  .pricing-header,
  .section-header {
    margin-bottom: var(--space-3);
  }

  .pricing-header h2,
  .section-header h2 {
    font-size: var(--font-size-2xl);
  }

  .pricing-header p,
  .section-header p {
    font-size: var(--font-size-base);
  }

  /* ---- Hero Mobile ---- */
  .hero {
    min-height: auto;
    padding: var(--space-6) 0;
  }

  .hero--newyear,
  .hero-newyear {
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    height: 100dvh;
    padding: 0;
  }

  .hero--minimal {
    min-height: auto;
    padding: var(--space-6) 0 var(--space-4);
  }

  .hero--minimal .hero__title {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .hero__tagline {
    font-size: var(--font-size-base);
    letter-spacing: 0.05em;
  }

  .hero__content {
    padding: var(--space-4);
  }

  .hero__title {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .hero__wish {
    font-size: var(--font-size-base);
  }

  .hero-content {
    padding: var(--space-4) var(--space-2);
  }

  .hero h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-2);
  }

  .hero p {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-4);
  }

  /* Hero buttons: full-width stacked */
  .hero-actions {
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    min-width: auto;
  }

  /* ---- Section Mobile ---- */
  .section {
    padding: var(--space-6) 0;
  }

  .section-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-2);
    color: var(--color-text-heading);
  }

  .section-header {
    margin-bottom: var(--space-4);
  }

  .section-desc {
    font-size: var(--font-size-base);
    color: var(--color-text);
  }

  .section-title--tree-home {
    font-size: clamp(1.45rem, 6.6vw, 1.85rem);
    line-height: 1.24;
    letter-spacing: -0.01em;
    max-width: 16ch;
    margin-left: auto;
    margin-right: auto;
    text-wrap: balance;
  }

  .section-title__break-mobile {
    display: inline;
  }

  .section-footer {
    margin-top: var(--space-4);
  }

  /* Hero buttons: full-width stacked, equal width */
  .hero-content > div {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
  }

  .hero .btn {
    margin: 0;
    width: 100%;
  }

  /* ---- Buttons Mobile: Equal Width in Groups ---- */
  .btn--lg {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-base);
  }

  /* ---- Pricing Cards Mobile ---- */
  .pricing-grid {
    grid-template-columns: 1fr !important;
    gap: var(--space-3);
  }

  .pricing-card {
    padding: var(--space-4);
  }

  .pricing-card.featured {
    order: -1;
  }

  .pricing-card h3 {
    font-size: var(--font-size-xl);
  }

  .pricing-balance {
    font-size: var(--font-size-lg);
  }

  .pricing-price {
    font-size: var(--font-size-3xl);
  }

  .pricing-card .btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-base);
  }

  /* ---- Grid Mobile ---- */
  .testimonials-grid,
  .platform-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
    margin-top: var(--space-4);
  }

  /* ---- Trust Grid Mobile ---- */
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
    margin-top: var(--space-4);
  }

  .trust-icon {
    font-size: 2.25rem;
  }

  /* ---- How It Works Mobile ---- */
  .steps-container {
    gap: var(--space-4);
    margin-top: var(--space-4);
  }

  .step-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-2);
  }

  .step-number {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-xl);
  }

  .step-content h3 {
    font-size: var(--font-size-lg);
  }

  /* ---- Comparison Table Mobile ---- */
  .comparison-table-wrapper {
    margin-top: var(--space-3);
    border-radius: var(--radius-sm);
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-sm);
    min-width: 110px;
  }

  .comparison-table .label-col {
    min-width: 120px;
    width: auto;
  }

  /* ---- Testimonials Mobile ---- */
  .testimonial-card {
    padding: var(--space-4);
    gap: var(--space-2);
  }

  .testimonial-text {
    font-size: var(--font-size-base);
    line-height: 1.7;
  }

  .author-avatar {
    width: 42px;
    height: 42px;
    font-size: var(--font-size-base);
  }

  /* ---- Platform Cards Mobile ---- */
  .platform-card {
    padding: var(--space-3);
  }

  .platform-card h3 {
    font-size: var(--font-size-base);
  }

  /* ---- FAQ Mobile ---- */
  .faq-item {
    margin-bottom: var(--space-2);
  }

  .faq-question {
    padding: var(--space-2);
    font-size: var(--font-size-base);
    gap: var(--space-1);
  }

  .faq-answer-content {
    padding: 0 var(--space-2) var(--space-2);
    font-size: var(--font-size-sm);
  }

  /* ---- Premium Partner Mobile ---- */
  .premium-partner-section {
    padding: var(--space-6) 0;
  }

  .premium-partner-content {
    gap: var(--space-4);
  }

  .premium-text .subtitle {
    font-size: var(--font-size-base);
  }

  .premium-benefits li {
    font-size: var(--font-size-base);
    padding: var(--space-1) 0;
  }

  .premium-highlight {
    padding: var(--space-2);
  }

  .premium-highlight p {
    font-size: var(--font-size-lg);
  }

  /* ---- Footer Mobile ---- */
  .footer {
    padding: var(--space-4) 0;
    padding-bottom: var(--mobile-nav-height); /* Space for mobile bottom nav */
  }

  .footer-content {
    gap: var(--space-2);
  }

  .footer-social {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
  }

  .footer-social a {
    width: 40px;
    height: 40px;
  }

  .footer-social .icon {
    width: 20px;
    height: 20px;
  }

  .footer-copyright {
    font-size: 0.72rem;
    opacity: 0.66;
    margin-bottom: calc(
      var(--space-2) + env(safe-area-inset-bottom, 0px) + 7px
    );
  }

  /* ---- Mobile Bottom Nav ---- */
  .mobile-bottom-nav {
    display: block;
  }
}

/* ==========================================
   17b. RESPONSIVE - SMALL MOBILE (≤480px)
   ========================================== */

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-1);
  }

  .hero-content {
    padding: var(--space-3) var(--space-1);
  }

  .hero h1 {
    font-size: var(--font-size-xl);
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-3);
  }

  /* Small mobile nav adjustments */
  .mobile-bottom-nav ul {
    padding: 0 4px;
  }

  .mobile-bottom-nav a {
    padding: 6px 4px;
    font-size: 12px;
    gap: 5px;
  }

  .mobile-bottom-nav .icon,
  .mobile-bottom-nav .nav-icon-img {
    width: 26px;
    height: 26px;
  }
}

/* ==========================================
   17c. RESPONSIVE - EXTRA SMALL MOBILE (≤360px)
   ========================================== */

@media (max-width: 360px) {
  .mobile-bottom-nav ul {
    height: 52px;
    padding: 0 2px;
  }

  .mobile-bottom-nav a {
    gap: 4px;
    font-size: 12px;
  }

  .mobile-bottom-nav .icon,
  .mobile-bottom-nav .nav-icon-img {
    width: 26px;
    height: 26px;
  }
}

/* ==========================================
   16. BLOG SECTION
   ========================================== */

/* Blog list spacing - keep visual rhythm consistent on list pages */
.page-blog-list .blog-section {
  padding-top: var(--space-5);
  padding-bottom: var(--space-7);
}

@media (max-width: 768px) {
  .page-blog-list .blog-section {
    padding-top: var(--space-5);
    padding-bottom: var(--space-5);
  }
}

/* Blog Card
   ─────────────────────────────────────────────────────────
   SPACING GUIDE:
   • Card padding (16px): Khoảng cách từ viền card đến ảnh (top/left/right)
   • Image border-radius: Luôn = var(--radius-xl) - var(--space-2)
   • Tăng padding → ảnh nhỏ lại, cách xa viền hơn
   • Giảm padding → ảnh lớn hơn, sát viền hơn
   ───────────────────────────────────────────────────────── */
.blog-card {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); /* 32px */
  box-shadow: var(--shadow-md);
  height: 400px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  padding: var(--space-2) var(--space-2) 0;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(47, 129, 247, 0.5);
}

/* Media - Container ảnh thumbnail */
.blog-card__media {
  border-radius: calc(
    var(--radius-xl) - var(--space-2)
  ); /* 32px - 16px = 16px, khá»›p vá»›i padding */
  overflow: hidden;
  pointer-events: none;
  flex-shrink: 0;
}

.blog-card__media img {
  width: 100%;
  height: 210px; /* ← Chiều cao ảnh cố định */
  object-fit: cover;
  object-position: center top; /* ← Crop từ top, thay center để crop giữa */
  display: block;
}

/* Body - Phần nội dung bài viết */
.blog-card__body {
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
  pointer-events: none;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.blog-card__date {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.blog-card__title {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  height: calc(1.35em * 3);
  margin: 0;
}

.blog-card__excerpt {
  display: none;
}

.blog-card--hidden {
  display: none;
}

.card-link {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

/* Load more button */
.load-more {
  display: flex;
  justify-content: center;
  margin-top: var(--space-6); /* 48px */
}

/* ===== Modifier classes for media offset ===== */
.blog-card--media-top .blog-card__media {
  margin-top: 0; /* ảnh sát viền trên */
}

.blog-card--media-low .blog-card__media {
  margin-top: var(--space-3);
}

/* Featured Hero Banner */
.featured-hero {
  padding: var(--space-7) 0;
  margin-bottom: var(--space-2);
}

.featured-hero__banner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 320px;
  display: grid;
  align-items: start;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(47, 129, 247, 0.1);
}

.featured-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.featured-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 0;
}

.featured-hero__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(6, 6, 6, 0.82) 0%,
    rgba(6, 6, 6, 0.45) 45%,
    rgba(6, 6, 6, 0.85) 100%
  );
  z-index: 1;
}

.featured-hero__content {
  position: relative;
  z-index: 2;
  color: #ffffff;
  display: grid;
  gap: var(--space-1);
  padding: var(--space-6);
  max-width: 720px;
  text-align: left;
}

.featured-hero__kicker {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.7);
}

.featured-hero__title {
  margin: 0;
  line-height: 1.2;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  color: #ffffff;
}

.featured-hero__text {
  margin: 0;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.85);
}

.featured-hero .btn--outline {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.7);
  background: transparent;
}

.featured-hero .btn--outline:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 900px) {
  .featured-hero__banner {
    min-height: 280px;
  }
}

/* ==========================================
   18.5 PROMO BLOCK - UNIFIED COMPONENT SYSTEM
   ==========================================
   
   DESIGN SYSTEM: Promo Block
   ─────────────────────────────────────────
   Component thống nhất cho tất cả banner, hero card, 
   promotional blocks trong hệ thống.
   
   BASE CLASS: .promo-block
   
   ELEMENTS:
   ├── __body      → Container nội dung
   ├── __media     → Container hình ảnh
   ├── __tag       → Tag/badge nhỏ (pill)
   ├── __meta      → Meta info (time, author)
   ├── __title     → Tiêu đề chính
   ├── __desc      → Mô tả
   ├── __actions   → Nhóm buttons
   ├── __link      → Overlay link (clickable area)
   └── __icon      → Icon thay thế media
   
   MODIFIERS:
   ├── --media-left    → Ảnh bên trái
   ├── --media-overlay → Ảnh toàn phần với overlay
   ├── --compact       → Không ảnh, layout inline
   ├── --gradient      → Background gradient
   ├── --slim          → Announcement bar mỏng
   ├── --bordered      → Có viền và shadow
   └── --dark          → Dark theme
   
   SIZES:
   ├── --sm    → Small (slim)
   ├── (base)  → Default
   └── --lg    → Large (featured)
   
   ========================================== */

/* ===== BASE COMPONENT ===== */
.promo-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

/* Bordered variant (default card style) */
.promo-block--bordered {
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: var(--space-2) var(--space-2) var(--space-2) 0;
}

.promo-block--bordered:hover {
  box-shadow: var(--shadow-xl);
  border-color: rgba(47, 129, 247, 0.5);
}

/* ===== BODY - Content Container ===== */
.promo-block__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
}

.promo-block--bordered .promo-block__body {
  padding: var(--space-3) 0 var(--space-3) var(--space-3);
}

/* ===== TAG - Pill Badge ===== */
.promo-block__tag {
  display: inline-flex;
  width: fit-content;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(10, 32, 214, 0.1);
  padding: var(--space-0) var(--space-2);
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.promo-block__tag--light {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.promo-block__tag--success {
  background: rgba(39, 174, 96, 0.1);
  color: var(--color-success);
}

.promo-block__tag--warning {
  background: rgba(243, 156, 18, 0.1);
  color: var(--color-warning);
}

/* ===== META - Time, Author ===== */
.promo-block__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.promo-block__time {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===== TITLE ===== */
.promo-block__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: var(--line-height-tight);
  margin: 0;
}

/* ===== DESCRIPTION ===== */
.promo-block__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: var(--line-height-base);
  margin: 0;
}

/* ===== ACTIONS - Button Group ===== */
.promo-block__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.promo-block__actions .btn {
  position: relative;
  z-index: 2;
}

/* ===== MEDIA - Image Container ===== */
.promo-block__media {
  overflow: hidden;
  align-self: center;
}

.promo-block--bordered .promo-block__media {
  border-radius: calc(var(--radius-xl) - var(--space-2));
}

.promo-block__media img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  display: block;
}

/* ===== ICON - Alternative to Media ===== */
.promo-block__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.promo-block__icon {
  font-size: 4rem;
  line-height: 1;
}

/* ===== LINK - Overlay Clickable Area ===== */
.promo-block__link {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

/* ==========================================
   MODIFIER: --media-left (Ảnh bên trái)
   ========================================== */
.promo-block--media-left {
  padding: var(--space-2) 0 var(--space-2) var(--space-2);
}

.promo-block--media-left .promo-block__media {
  order: -1;
}

.promo-block--media-left .promo-block__body {
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
}

/* ==========================================
   MODIFIER: --media-overlay (Full image + overlay)
   ========================================== */
.promo-block--media-overlay {
  grid-template-columns: 1fr;
  min-height: 320px;
  align-items: start;
}

.promo-block--media-overlay .promo-block__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.promo-block--media-overlay .promo-block__media img {
  height: 100%;
  min-height: auto;
}

.promo-block--media-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(6, 6, 6, 0.78) 0%,
    rgba(6, 6, 6, 0.4) 45%,
    rgba(6, 6, 6, 0.8) 100%
  );
  z-index: 1;
}

.promo-block--media-overlay .promo-block__body {
  position: relative;
  z-index: 2;
  color: #ffffff;
  padding: var(--space-6);
  max-width: 720px;
}

.promo-block--media-overlay .promo-block__tag {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.promo-block--media-overlay .promo-block__title {
  color: #ffffff;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.promo-block--media-overlay .promo-block__desc {
  color: rgba(255, 255, 255, 0.85);
}

.promo-block--media-overlay .btn--outline {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.7);
}

.promo-block--media-overlay .btn--outline:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

/* ==========================================
   MODIFIER: --compact (No image, inline)
   ========================================== */
.promo-block--compact {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: var(--space-3);
}

.promo-block--compact .promo-block__body {
  padding: 0;
  gap: var(--space-1);
}

.promo-block--compact .promo-block__title {
  font-size: var(--font-size-xl);
}

/* ==========================================
   MODIFIER: --gradient (Colored background)
   ========================================== */
.promo-block--gradient {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  border-color: transparent;
}

.promo-block--gradient .promo-block__title,
.promo-block--gradient .promo-block__desc {
  color: #ffffff;
}

.promo-block--gradient .promo-block__tag {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.promo-block--gradient .btn--outline {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.7);
}

/* ==========================================
   MODIFIER: --slim (Announcement bar)
   ========================================== */
.promo-block--slim {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  gap: var(--space-3);
}

.promo-block--slim .promo-block__body {
  padding: 0;
  gap: var(--space-2);
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
}

.promo-block--slim .promo-block__title {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.promo-block--slim .promo-block__desc {
  font-size: var(--font-size-sm);
}

/* ==========================================
   MODIFIER: --icon (Icon instead of image)
   ========================================== */
.promo-block--icon {
  grid-template-columns: 1fr auto;
}

/* ==========================================
   MODIFIER: --lg (Large / Featured)
   ========================================== */
.promo-block--lg .promo-block__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.promo-block--lg .promo-block__desc {
  font-size: var(--font-size-lg);
}

.promo-block--lg .promo-block__media img {
  min-height: 240px;
}

/* ==========================================
   RESPONSIVE: Promo Block
   ========================================== */
@media (max-width: 768px) {
  /* Base responsive */
  .promo-block {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .promo-block--bordered {
    padding: var(--space-2);
  }

  .promo-block__body {
    padding: var(--space-2);
  }

  .promo-block--bordered .promo-block__body {
    padding: var(--space-1) var(--space-1) var(--space-2);
  }

  .promo-block__media {
    order: -1;
  }

  .promo-block__title {
    font-size: var(--font-size-xl);
  }

  /* Media left - reset on mobile */
  .promo-block--media-left {
    padding: var(--space-2);
  }

  .promo-block--media-left .promo-block__body {
    padding: var(--space-1) var(--space-1) var(--space-2);
  }

  /* Media overlay */
  .promo-block--media-overlay {
    min-height: 280px;
  }

  .promo-block--media-overlay .promo-block__body {
    padding: var(--space-4);
  }

  /* Compact */
  .promo-block--compact {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .promo-block--compact .promo-block__body {
    padding: var(--space-2);
  }

  .promo-block--compact .promo-block__actions {
    justify-content: center;
  }

  /* Slim */
  .promo-block--slim {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2);
  }

  .promo-block--slim .promo-block__body {
    flex-direction: column;
    justify-content: center;
  }

  /* Icon */
  .promo-block--icon {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .promo-block--icon .promo-block__icon-wrap {
    order: -1;
    padding: var(--space-2);
  }

  .promo-block__icon {
    font-size: 3rem;
  }

  /* Actions center on mobile */
  .promo-block__actions {
    justify-content: center;
  }
}

/* ==========================================
   LEGACY SUPPORT: blog-card-hero, banner-card
   Giữ lại để tương thích ngược, sẽ deprecate
   ========================================== */

/* blog-card-hero → alias to promo-block */
.blog-card-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2) var(--space-2) var(--space-2) 0; /* top, right, bottom - no left */
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: var(--space-4);
  transition: all var(--transition-base);
  position: relative;
}

.blog-card-hero:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
  border-color: rgba(47, 129, 247, 0.5);
}

.blog-card-hero__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
}

.blog-card-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.blog-card-hero__tag {
  display: inline-flex;
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(10, 32, 214, 0.1);
  padding: var(--space-0) var(--space-1);
  border-radius: 9999px; /* Pill shape */
}

.blog-card-hero__time {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.blog-card-hero__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: var(--line-height-tight);
  margin: 0;
}

.blog-card-hero__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: var(--line-height-base);
  margin: 0;
}

.blog-card-hero__media {
  border-radius: calc(
    var(--radius-xl) - var(--space-2)
  ); /* 32px - 16px = 16px, khá»›p vá»›i blog-card__media */
  overflow: hidden;
  align-self: center;
}

.blog-card-hero__media img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  display: block;
}

.blog-card-hero__link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Responsive: Stack on mobile */
@media (max-width: 768px) {
  .blog-card-hero {
    grid-template-columns: 1fr;
    gap: var(--space-2);
    padding: var(--space-2);
  }

  .blog-card-hero__body {
    padding: var(--space-1) var(--space-1) var(--space-2);
  }

  .blog-card-hero__media {
    order: -1;
  }

  .blog-card-hero__title {
    font-size: var(--font-size-xl);
  }
}

/* ==========================================
   18.6 BANNER CARD (Promotional Banner)
   Biến thể của blog-card-hero cho banner quảng bá
   ========================================== */
.banner-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2) var(--space-2) var(--space-2) 0;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.banner-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
  border-color: rgba(47, 129, 247, 0.5);
}

.banner-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) 0 var(--space-3) var(--space-3);
}

.banner-card__tag {
  display: inline-flex;
  width: fit-content;
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(10, 32, 214, 0.1);
  padding: var(--space-0) var(--space-1);
  border-radius: 9999px;
}

.banner-card__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: var(--line-height-tight);
  margin: 0;
}

.banner-card__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: var(--line-height-base);
  margin: 0;
}

.banner-card__cta {
  display: inline-flex;
  width: fit-content;
  position: relative;
  z-index: 2;
}

.banner-card__media {
  border-radius: calc(var(--radius-xl) - var(--space-2));
  overflow: hidden;
  align-self: center;
}

.banner-card__media img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  display: block;
}

.banner-card__link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Banner Card - Reversed (ảnh bên trái) */
.banner-card--reversed {
  padding: var(--space-2) 0 var(--space-2) var(--space-2);
}

.banner-card--reversed .banner-card__media {
  order: -1;
}

.banner-card--reversed .banner-card__body {
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
}

/* Responsive: Stack on mobile */
@media (max-width: 768px) {
  .banner-card {
    grid-template-columns: 1fr;
    gap: var(--space-2);
    padding: var(--space-2);
  }

  .banner-card__body {
    padding: var(--space-1) var(--space-1) var(--space-2);
  }

  .banner-card__media {
    order: -1;
  }

  .banner-card__title {
    font-size: var(--font-size-xl);
  }

  .banner-card--reversed .banner-card__body {
    padding: var(--space-1) var(--space-1) var(--space-2);
  }
}

/* Banner Card - Compact (no image) */
.banner-card--compact {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: var(--space-3);
}

.banner-card--compact .banner-card__body {
  padding: 0;
}

.banner-card--compact .banner-card__title {
  font-size: var(--font-size-xl);
}

.banner-card__action {
  display: flex;
  align-items: center;
}

/* Banner Card - Gradient */
.banner-card--gradient {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  border-color: transparent;
}

.banner-card--gradient .banner-card__title,
.banner-card--gradient .banner-card__desc {
  color: #ffffff;
}

.banner-card__tag--light {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.banner-card--gradient .btn--outline {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.7);
}

.banner-card--gradient .btn--outline:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

/* Banner Card - CTA Group (dual buttons) */
.banner-card__cta-group {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

/* Banner Card - Icon */
.banner-card--icon {
  grid-template-columns: 1fr auto;
}

.banner-card__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.banner-card__icon {
  font-size: 4rem;
  line-height: 1;
}

/* Banner Card - Slim */
.banner-card--slim {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  gap: var(--space-3);
}

.banner-card--slim .banner-card__body {
  padding: 0;
  gap: var(--space-1);
  flex-direction: row;
  align-items: center;
}

.banner-card--slim .banner-card__desc {
  margin: 0;
}

/* Responsive: Banner variants */
@media (max-width: 768px) {
  .banner-card--compact {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .banner-card--compact .banner-card__body {
    padding: var(--space-2);
  }

  .banner-card__action {
    justify-content: center;
    padding-bottom: var(--space-2);
  }

  .banner-card--icon {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .banner-card__icon-wrap {
    order: -1;
    padding: var(--space-2);
  }

  .banner-card__icon {
    font-size: 3rem;
  }

  .banner-card--slim {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2);
  }

  .banner-card--slim .banner-card__body {
    flex-direction: column;
  }

  .banner-card__cta-group {
    justify-content: center;
  }
}

/* ==========================================
   17. BLOG DETAIL PAGE
   ========================================== */

.post-section {
  padding: var(--space-8) 0 var(--space-7);
}

.post-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.post {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
  overflow: hidden;
}

.post__header {
  display: grid;
  gap: var(--space-1);
}

.post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  align-items: center;
}

.post__tag {
  font-weight: 500;
  color: var(--color-primary);
}

.post__title {
  margin: 0;
  font-size: var(--font-size-3xl);
}

.post__excerpt {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
}

.post__cover img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.post__content {
  display: grid;
  gap: var(--space-2);
}

.post__content h2 {
  margin: 0;
  font-size: 1.5rem;
}

.post__content h3 {
  margin: 0;
  font-size: var(--font-size-xl);
}

.post__content p,
.post__content li {
  color: var(--color-text-light);
  line-height: 1.7;
}

.post__content blockquote {
  margin: 0;
  padding: var(--space-2) 0;
  border-left: none;
  background: transparent;
  color: var(--color-text);
  font-style: italic;
  font-size: var(--font-size-xl);
  line-height: 1.6;
  text-align: center;
}

.post__note {
  display: grid;
  gap: var(--space-1);
  background: rgba(47, 129, 247, 0.08);
  border: 1px solid rgba(47, 129, 247, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  color: var(--color-text);
}

.post__note h4 {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

.post__note p {
  margin: 0;
  color: var(--color-text-light);
}

.post__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
  margin-top: var(--space-4);
}

.post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-lg);
  background: rgba(47, 129, 247, 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 1px solid rgba(47, 129, 247, 0.2);
  transition: all var(--transition-fast);
}

.tag:hover {
  background: rgba(47, 129, 247, 0.2);
}

.post__reading-time {
  padding-left: var(--space-1);
  border-left: 1px solid var(--color-border);
}

@media (max-width: 640px) {
  .post {
    padding: var(--space-3);
  }

  .post-container {
    padding: 0 var(--space-1);
  }

  .related-section .container {
    padding: 0 var(--space-1);
  }
}

/* ==========================================
   ARTICLE VARIANT - Documents & Terms pages
   Based on post layout
   ========================================== */

.article-section {
  padding: var(--space-8) 0 var(--space-7);
}

.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.article {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
  overflow: hidden;
}

.article__header {
  display: grid;
  gap: var(--space-2);
  text-align: center;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.article__title {
  margin: 0;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text-heading);
}

.article__subtitle {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
}

.article__source {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.article__source a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.article__source a:hover {
  text-decoration: underline;
}

.article__disclaimer {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

.article__content {
  display: grid;
  gap: var(--space-3);
}

.article__content h2 {
  margin: var(--space-4) 0 0;
  font-size: 1.5rem;
  color: var(--color-heading);
}

.article__content h3 {
  margin: var(--space-2) 0 0;
  font-size: var(--font-size-xl);
  color: var(--color-heading);
}

.article__content h4 {
  margin: var(--space-1) 0 0;
  font-size: var(--font-size-lg);
  color: var(--color-heading);
}

.article__content p,
.article__content li {
  color: var(--color-text-light);
  line-height: 1.7;
}

.article__content ol,
.article__content ul {
  padding-left: var(--space-4);
}

.article__content a {
  color: var(--color-primary);
  text-decoration: none;
}

.article__content a:hover {
  text-decoration: underline;
}

.article__content strong {
  color: var(--color-text);
}

/* Tables inside article */
.article__content .price-table-wrapper,
.article__content .data-table-wrapper {
  margin: var(--space-3) 0;
}

/* Article footer */
.article__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

@media (max-width: 640px) {
  .article {
    padding: var(--space-3);
  }

  .article-container {
    padding: 0 var(--space-1);
  }

  .article__title {
    font-size: var(--font-size-2xl);
  }
}

/* ==========================================
   18. PAGE HERO TEXT (Utility & Content Pages)
   ========================================== */

.page-hero-text {
  padding: var(--space-5) 0 var(--space-2);
  text-align: center;
}

@media (min-width: 768px) {
  .page-hero-text {
    padding: var(--space-7) 0 var(--space-3);
  }
}

.page-hero-text + .tool-section,
.page-hero-text + .blog-section {
  padding-top: var(--space-2);
}

@media (min-width: 768px) {
  .page-hero-text + .tool-section,
  .page-hero-text + .blog-section {
    padding-top: var(--space-3);
  }
}

.page-hero-text__title {
  margin: var(--space-1) 0 var(--space-1);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-heading);
}

@media (min-width: 768px) {
  .page-hero-text__title {
    font-size: var(--font-size-3xl);
  }
}

.page-hero-text__desc {
  margin: 0;
  max-width: 600px;
  margin: 0 auto;
  font-size: var(--font-size-base);
  color: var(--color-text);
}

@media (min-width: 768px) {
  .page-hero-text__desc {
    font-size: var(--font-size-lg);
  }
}

.page-hero-text__notice {
  margin: var(--space-2) auto 0;
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  font-style: italic;
}

.page-hero-text__source {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
}

.page-hero-text__source a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.page-hero-text__source a:hover {
  text-decoration: underline;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: rgba(47, 129, 247, 0.1);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-xs);
}

@media (min-width: 768px) {
  .badge {
    font-size: var(--font-size-sm);
  }
}

.tool-section {
  padding: var(--space-4) 0 var(--space-6);
  overflow: hidden;
}

@media (min-width: 768px) {
  .tool-section {
    padding: var(--space-6) 0 var(--space-8);
  }
}

.docs-section {
  padding: var(--space-6) 0 var(--space-8);
}

.docs-cta {
  padding: var(--space-6) 0 var(--space-8);
}

.tool-layout {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .tool-layout {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.docs-section__grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 960px) {
  .docs-section__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.tool-panel {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .tool-panel {
    padding: var(--space-6);
  }
}

.tool-panel h3 {
  margin-top: 0;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-lg);
}

@media (min-width: 768px) {
  .tool-panel h3 {
    margin-bottom: var(--space-3);
    font-size: var(--font-size-xl);
  }
}

.docs-section__card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  overflow: hidden;
}

.docs-section__card h3 {
  margin-top: 0;
  margin-bottom: var(--space-3);
}

.docs-section__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.docs-section__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
}

.docs-cta__grid {
  display: grid;
  gap: var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  align-items: center;
}

@media (min-width: 960px) {
  .docs-cta__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.docs-cta__title {
  margin: 0 0 var(--space-2);
}

.docs-cta__desc {
  margin: 0;
  color: var(--color-text-light);
}

.docs-cta__action {
  display: flex;
  justify-content: flex-end;
}

@media (max-width: 640px) {
  .tool-panel {
    padding: var(--space-3);
  }
}

@media (max-width: 640px) {
  .docs-section__card {
    padding: var(--space-3);
  }
}

@media (max-width: 640px) {
  .docs-cta__grid {
    padding: var(--space-3);
  }

  .docs-cta__action {
    justify-content: flex-start;
  }
}

/* Tool Form Styles */
.tool-form {
  display: grid;
  gap: var(--space-2);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-weight: 600;
  color: var(--color-text-light);
}

.form-control {
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  outline: none;
  background: var(--color-bg);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.25);
}

.form-field--suggest {
  position: relative;
}

.form-suggest {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 6px);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(47, 129, 247, 0.2);
  border-radius: var(--radius-sm);
  padding: var(--space-1);
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 5;
  backdrop-filter: blur(6px);
}

.form-suggest--open {
  display: grid;
  gap: var(--space-0);
}

.form-suggest button {
  border: none;
  background: transparent;
  padding: var(--space-1) var(--space-2);
  text-align: left;
  border-radius: calc(var(--radius-sm) - 4px);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.form-suggest button:hover,
.form-suggest button:focus {
  background: rgba(47, 129, 247, 0.1);
  outline: none;
}

.action-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
  margin-top: var(--space-2);
}

@media (max-width: 600px) {
  .action-group {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .action-group .btn {
    width: 100%;
    justify-content: center;
  }
}

.helper-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin: var(--space-2) 0 0;
}

.tool-panel > .helper-text:last-child {
  margin-top: auto;
  padding-top: var(--space-2);
}

.helper-text a {
  color: var(--color-primary);
  text-decoration: none;
}

.helper-text a:hover {
  text-decoration: underline;
}

.output-box {
  background: rgba(47, 129, 247, 0.06);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  word-break: break-all;
  min-height: 80px;
  border: 1px dashed rgba(47, 129, 247, 0.3);
  color: var(--color-text);
}

/* QR Preview */
.qr-preview {
  display: grid;
  place-items: center;
  min-height: 220px;
  border-radius: var(--radius-lg);
  background: rgba(47, 129, 247, 0.06);
  border: 1px dashed rgba(47, 129, 247, 0.3);
}

/* Tool Panel Header (for inline title + actions) */
.tool-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.tool-panel__header h3 {
  margin: 0;
}

/* Action Group Compact (for small buttons inline) */
.action-group--compact {
  display: flex;
  gap: var(--space-1);
}

/* ==========================================
   TREE GENERATOR
   ========================================== */

/* Tree Input - Mobile First */
.tree-input {
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: 16px; /* Prevents iOS auto-zoom */
  line-height: 1.6;
  resize: vertical;
  min-height: 200px;
  width: 100%;
  box-sizing: border-box;
  flex: 1;
}

@media (min-width: 768px) {
  .tree-input {
    font-size: var(--font-size-sm);
    min-height: 300px;
  }
}

/* Tree Output - Mobile First */
.tree-output {
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  background: rgba(47, 129, 247, 0.04);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  margin: 0;
  min-height: 200px;
  border: 1px solid rgba(47, 129, 247, 0.15);
  white-space: pre;
  overflow-x: auto;
  color: var(--color-text);
  flex: 1;
}

@media (min-width: 768px) {
  .tree-output {
    min-height: 300px;
    padding: var(--space-4);
  }
}

.tree-output--empty {
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tree Options - Mobile First */
.tree-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  padding-top: var(--space-2);
  margin-top: auto;
}

@media (min-width: 768px) {
  .tree-options {
    gap: var(--space-3) var(--space-4);
  }
}

.tree-option {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  cursor: pointer;
  white-space: nowrap;
}

.tree-option input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.tree-option code {
  background: rgba(47, 129, 247, 0.1);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: 0.9em;
  color: var(--color-primary);
}

/* Small button variant */
.btn--sm {
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

@media (max-width: 640px) {
  .btn--sm {
    min-height: 40px;
    padding: var(--space-1) var(--space-3);
  }
}

.btn--ghost {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-sm);
  cursor: pointer;
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
}

.btn--ghost:hover {
  background: rgba(47, 129, 247, 0.1);
  color: var(--color-text);
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================
   LOADING SPINNER & ERROR STATES
   ========================================== */

.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: var(--space-xl);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.loading-spinner p {
  position: relative;
  padding-left: 30px;
}

.loading-spinner p::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spinner-rotate 0.8s linear infinite;
}

@keyframes spinner-rotate {
  to {
    transform: translateY(-50%) rotate(360deg);
  }
}

.no-posts {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.error {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-error, #ef4444);
  font-size: var(--font-size-base);
}

/* ==========================================
   TOP TRADER / LEADERBOARD STYLES
   ========================================== */

/* Leaderboard Intro */
.leaderboard-intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .leaderboard-intro {
    flex-direction: row;
    align-items: center;
    padding: var(--space-8);
    gap: var(--space-8);
  }
}

.leaderboard-intro__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

@media (min-width: 768px) {
  .leaderboard-intro__content {
    flex: 1.5;
  }
}

.leaderboard-intro__content h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
  color: var(--color-text);
  line-height: 1.3;
}

@media (min-width: 768px) {
  .leaderboard-intro__content h2 {
    font-size: var(--font-size-2xl);
  }
}

.leaderboard-intro__content p {
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0;
  font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
  .leaderboard-intro__content p {
    font-size: var(--font-size-base);
  }
}

.leaderboard-intro__content p:last-child {
  font-weight: 500;
  color: var(--color-text);
  font-style: italic;
}

.leaderboard-intro__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  flex: 1;
}

@media (min-width: 768px) {
  .leaderboard-intro__stats {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}

/* Stat Card */
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  text-align: center;
  transition: all var(--transition-base);
}

@media (min-width: 768px) {
  .stat-card {
    flex-direction: row;
    justify-content: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-radius: var(--radius-lg);
  }
}

.stat-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card__value {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .stat-card__value {
    font-size: var(--font-size-2xl);
    min-width: 70px;
  }
}

.stat-card__label {
  font-size: 9px;
  color: var(--color-muted);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .stat-card__label {
    font-size: var(--font-size-sm);
    line-height: 1.3;
  }
}

/* Leaderboard Table */
.leaderboard-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.leaderboard-table th,
.leaderboard-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.leaderboard-table th {
  background: var(--color-bg-elevated);
  font-weight: 600;
  color: var(--color-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.leaderboard-table tbody tr:hover {
  background: var(--color-bg-elevated);
}

.leaderboard-table tbody tr:last-child td {
  border-bottom: none;
}

/* Rank styles */
.rank-col {
  width: 60px;
  text-align: center;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.rank-badge--gold {
  background: linear-gradient(135deg, #ffd700, #ffb700);
  color: #1a1a1a;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
}

.rank-badge--silver {
  background: linear-gradient(135deg, #c0c0c0, #a8a8a8);
  color: #1a1a1a;
  box-shadow: 0 2px 8px rgba(192, 192, 192, 0.4);
}

.rank-badge--bronze {
  background: linear-gradient(135deg, #cd7f32, #b5651d);
  color: #fff;
  box-shadow: 0 2px 8px rgba(205, 127, 50, 0.4);
}

.rank-top {
  background: rgba(47, 129, 247, 0.03);
}

/* Trader info */
.trader-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.trader-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.trader-name {
  font-weight: 500;
  color: var(--color-text);
}

/* Program tags */
.program-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.program-tag--freedom {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.program-tag--express {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
}

.program-tag--instant {
  background: rgba(168, 85, 247, 0.15);
  color: #a855f7;
}

/* Profit/ROI colors */
.profit-positive,
.roi-positive {
  color: #10b981;
  font-weight: 600;
}

.profit-negative,
.roi-negative {
  color: #ef4444;
  font-weight: 600;
}

/* Leaderboard note */
.leaderboard-note {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  font-style: italic;
  text-align: center;
}

/* Payout Grid */
.payout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
}

/* Payout Card */
.payout-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.payout-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.payout-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.payout-card__date {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.payout-card__status {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.payout-card__body {
  padding: var(--space-4);
}

.payout-card__trader {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.payout-card__amount {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: #10b981;
  margin-bottom: var(--space-1);
}

.payout-card__program {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

/* Section alt background */
.section--alt {
  background: var(--color-bg-elevated);
}

/* Mobile responsive for leaderboard */
@media (max-width: 640px) {
  .leaderboard-table {
    font-size: var(--font-size-xs);
  }
  
  .leaderboard-table th,
  .leaderboard-table td {
    padding: var(--space-2);
  }
  
  .trader-avatar {
    width: 24px;
    height: 24px;
    font-size: 10px;
  }
  
  .capital-col {
    display: none;
  }
}