/* ============================================================
   TRUNG TÂM NGOẠI NGỮ VÀ TOÁN TƯ DUY TRẺ - Main Stylesheet (v20260429)
   Primary: Green (#16a34a, #15803d, #166534)
   Font: Montserrat
   ============================================================ */

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green-50: #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;
  --green-900: #14532d;
  --green-dark: #0d3320;

  --accent-gold: #f59e0b;
  --accent-gold-dark: #d97706;
  --accent-emerald: #059669;

  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --font: 'Montserrat', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 35px;
  --radius-full: 9999px;
  --transition: all 0.3s ease;
  --transition-slow: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px; /* offset for sticky header when jumping to anchors */
}

/* Respect users that prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   AOS - SCROLL REVEAL (Custom Implementation)
   ============================================================ */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-aos="fade-right"] { transform: translateX(-40px); }
[data-aos="fade-left"]  { transform: translateX(40px); }
[data-aos="fade-up"]    { transform: translateY(40px); }
[data-aos].aos-animate  { opacity: 1; transform: translate(0, 0); }

/* ============================================================
   BUTTONS - GLOBAL
   ============================================================ */
.btn-primary {
  display: inline-block;
  position: relative;
  overflow: hidden;
  background: var(--green-600);
  color: var(--white);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  z-index: 1;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -20px;
  width: 0;
  height: 0;
  background: var(--accent-gold);
  border-radius: 50%;
  transform: translate(50%, -50%) scale(0);
  transition: var(--transition-slow);
  z-index: -1;
}
.btn-primary:hover::before {
  width: 300px;
  height: 300px;
  transform: translate(50%, -50%) scale(1);
}
.btn-primary:hover { box-shadow: var(--shadow-lg); }

.btn-outline {
  display: inline-block;
  position: relative;
  overflow: hidden;
  background: transparent;
  color: var(--green-600);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  border: 2px solid var(--green-600);
  cursor: pointer;
  transition: var(--transition);
  z-index: 1;
}
.btn-outline::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -20px;
  width: 0; height: 0;
  background: var(--green-600);
  border-radius: 50%;
  transform: translate(50%, -50%) scale(0);
  transition: var(--transition-slow);
  z-index: -1;
}
.btn-outline:hover::before { width: 300px; height: 300px; transform: translate(50%, -50%) scale(1); }
.btn-outline:hover { color: var(--white); }

/* ============================================================
   SECTION COMMON STYLES
   ============================================================ */
.section-badge {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}
.section-badge.light {
  background: rgba(255,255,255,0.2);
  color: var(--white);
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.section-title em { color: var(--green-600); font-style: normal; }
.section-title.white { color: var(--white); }
.section-desc {
  font-size: 1rem;
  color: var(--gray-500);
  max-width: 580px;
  margin-bottom: 0;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header .section-desc { margin: 0 auto; }

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
  background: var(--green-800);
  padding: 8px 0;
  z-index: 200;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar-links { display: flex; gap: 20px; flex-wrap: wrap; }
.topbar-link {
  color: var(--green-200);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}
.topbar-link:hover { color: var(--accent-gold); }
.topbar-contact {
  display: flex;
  gap: 24px;
  color: var(--green-200);
  font-size: 0.78rem;
}
.topbar-contact strong { color: var(--accent-gold); }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  transition: var(--transition);
}
.header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.12); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 24px;
}

.logo-wrap { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-title {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--green-700);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.logo-sub {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--gray-500);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

/* NAV */
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
  display: block;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--green-600); background: var(--green-50); }

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
  min-width: 380px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 50;
  border: 1px solid var(--gray-100);
}
.has-dropdown:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.mega-menu-inner { display: flex; padding: 24px; gap: 32px; }
.mega-col { min-width: 100px; }
.mega-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--green-600);
  margin-bottom: 10px;
}
.mega-col ul { display: flex; flex-direction: column; gap: 6px; }
.mega-col ul li a {
  font-size: 0.85rem;
  color: var(--gray-600);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: block;
}
.mega-col ul li a:hover { background: var(--green-50); color: var(--green-700); }

/* Header Right */
.header-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.btn-register {
  display: inline-block;
  position: relative;
  overflow: hidden;
  background: var(--green-600);
  color: var(--white);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  transition: var(--transition);
  z-index: 1;
}
.btn-register::before {
  content: '';
  position: absolute;
  top: 50%; right: -20px;
  width: 0; height: 0;
  background: var(--green-800);
  border-radius: 50%;
  transform: translate(50%, -50%) scale(0);
  transition: var(--transition-slow);
  z-index: -1;
}
.btn-register:hover::before { width: 300px; height: 300px; transform: translate(50%, -50%) scale(1); }
.btn-register:hover { box-shadow: var(--shadow); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Menu */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
}
.mobile-overlay.active { display: block; }

.mobile-menu {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--white);
  z-index: 999;
  padding: 24px 20px;
  overflow-y: auto;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-xl);
}
.mobile-menu.open { right: 0; }
.mobile-close {
  display: block;
  margin-left: auto;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--gray-700);
  margin-bottom: 24px;
}
.mobile-nav-list { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-list > li > a {
  display: block;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-nav-list > li > a:hover { background: var(--green-50); color: var(--green-700); }
.mobile-sub-group { padding: 4px 14px; }
.mobile-sub-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--green-600);
  display: block;
  margin-bottom: 4px;
}
.mobile-sub-group ul { display: flex; flex-direction: column; gap: 2px; }
.mobile-sub-group ul li a {
  display: block;
  padding: 8px 12px;
  font-size: 0.875rem;
  color: var(--gray-600);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-sub-group ul li a:hover { background: var(--green-50); color: var(--green-700); }
.mobile-btn-register {
  display: block;
  text-align: center;
  background: var(--green-600);
  color: var(--white) !important;
  font-weight: 700;
  padding: 14px !important;
  border-radius: var(--radius-full) !important;
  margin-top: 12px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  position: relative;
  height: 75vh;
  min-height: 500px;
  overflow: hidden;
}
.hero-slider { position: relative; width: 100%; height: 100%; }
.hero-slide {
  position: absolute;
  inset: 0;
  background: var(--green-dark);
  opacity: 0;
  transition: opacity 1.2s ease;
  overflow: hidden;
}
.hero-slide-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 60, 30, 0.42) 0%, rgba(15, 60, 30, 0.10) 100%);
}
.hero-overlay--light {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.05);
}
.hero-content {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  padding-bottom: 100px;
  color: var(--white);
}
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.3);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  margin-bottom: 16px;
  max-width: 700px;
}
.hero-desc {
  font-size: 1.05rem;
  font-weight: 400;
  opacity: 0.9;
  max-width: 560px;
  margin-bottom: 32px;
  text-shadow: 0 1px 6px rgba(0,0,0,0.2);
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-hero-primary {
  display: inline-block;
  position: relative;
  overflow: hidden;
  background: var(--green-500);
  color: var(--white);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 16px 36px;
  border-radius: var(--radius-full);
  transition: var(--transition);
  z-index: 1;
}
.btn-hero-primary::before {
  content: '';
  position: absolute;
  top: 50%; right: -20px;
  width: 0; height: 0;
  background: var(--accent-gold);
  border-radius: 50%;
  transform: translate(50%, -50%) scale(0);
  transition: var(--transition-slow);
  z-index: -1;
}
.btn-hero-primary:hover::before { width: 400px; height: 400px; transform: translate(50%, -50%) scale(1); }
.btn-hero-primary:hover { box-shadow: var(--shadow-lg); }

.btn-hero-video {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.15);
  color: var(--white);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 30px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255,255,255,0.5);
  cursor: pointer;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.btn-hero-video:hover { background: rgba(255,255,255,0.25); border-color: var(--white); }

/* Hero Navigation */
.hero-prev, .hero-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: var(--transition);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-prev { left: 24px; }
.hero-next { right: 24px; }
.hero-prev:hover, .hero-next:hover { background: var(--green-600); border-color: var(--green-600); }

.hero-dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
}
.hero-dot.active { background: var(--white); transform: scale(1.3); }

/* ============================================================
   INTRO SECTION
   ============================================================ */
.intro-section {
  padding: 100px 0;
  background: var(--white);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.intro-media { position: relative; }
.intro-img-stack { position: relative; }
.intro-main-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-xl) var(--radius-xl) var(--radius-xl) 0;
  box-shadow: var(--shadow-xl);
}
.intro-stat-card {
  position: absolute;
  background: var(--green-600);
  color: var(--white);
  padding: 16px 24px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-lg);
  bottom: 40px;
  right: -28px;
}
.intro-stat-2 {
  bottom: 140px;
  right: -28px;
  background: var(--accent-gold);
  color: var(--white);
}
.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.9;
}
.intro-content { display: flex; flex-direction: column; gap: 16px; }
.intro-text { color: var(--gray-600); line-height: 1.8; font-size: 0.95rem; }
.intro-subjects {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0;
}
.subject-tag {
  background: var(--green-50);
  color: var(--green-700);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--green-200);
  transition: var(--transition);
}
.subject-tag:hover { background: var(--green-600); color: var(--white); border-color: var(--green-600); }

/* ============================================================
   VISION / MISSION / VALUES SECTION
   ============================================================ */
.vision-section {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--green-50) 100%);
  overflow: hidden;
}
.vision-bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  pointer-events: none;
}
.vision-bg-shape--1 {
  top: -120px; left: -120px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, var(--green-200), transparent 70%);
}
.vision-bg-shape--2 {
  bottom: -160px; right: -160px;
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.35), transparent 70%);
}
.vision-bg-shape--1 { animation: visionFloat1 14s ease-in-out infinite; }
.vision-bg-shape--2 { animation: visionFloat2 18s ease-in-out infinite; }
@keyframes visionFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(60px, 30px) scale(1.08); }
}
@keyframes visionFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-50px, -40px) scale(1.12); }
}
.vision-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
  z-index: 1;
}
.vision-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px 36px;
  box-shadow: 0 8px 30px rgba(22, 101, 52, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.12);
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease;
}
.vision-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green-500), var(--green-700));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.vision-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(22, 101, 52, 0.18);
}
.vision-card:hover::before { transform: scaleX(1); }
.vision-card--mission::before {
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-dark));
}
.vision-card--values::before {
  background: linear-gradient(90deg, var(--accent-emerald), var(--green-700));
}
.vision-card-number {
  font-family: var(--font);
  font-size: 4.2rem;
  font-weight: 900;
  line-height: 1;
  color: var(--green-50);
  margin-bottom: 8px;
  letter-spacing: -2px;
  transition: color 0.4s ease;
}
.vision-card--mission .vision-card-number { color: #fef3c7; }
.vision-card--values .vision-card-number { color: #d1fae5; }
.vision-card:hover .vision-card-number {
  color: var(--green-200);
}
.vision-card--mission:hover .vision-card-number { color: #fcd34d; }
.vision-card--values:hover .vision-card-number { color: var(--green-300, #86efac); }
.vision-card-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green-700);
  padding: 6px 14px;
  background: var(--green-50);
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}
.vision-card--mission .vision-card-label {
  color: var(--accent-gold-dark);
  background: #fef3c7;
}
.vision-card--values .vision-card-label {
  color: var(--accent-emerald);
  background: #d1fae5;
}
.vision-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.35;
  margin-bottom: 14px;
}
.vision-card-title em {
  font-style: normal;
  color: var(--green-600);
}
.vision-card--mission .vision-card-title em { color: var(--accent-gold-dark); }
.vision-card--values .vision-card-title em { color: var(--accent-emerald); }
.vision-card-desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.75;
}
.vision-values-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vision-values-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.88rem;
  color: var(--gray-700);
  line-height: 1.55;
}
.vision-values-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.18);
}
.vision-values-list strong {
  color: var(--gray-900);
  font-weight: 700;
}

/* ============================================================
   COURSES SECTION
   ============================================================ */
.courses-section {
  padding: 100px 0;
  background: var(--gray-50);
}
.course-filter {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  padding: 20px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.filter-intro { font-size: 0.9rem; color: var(--gray-700); flex-shrink: 0; }
.filter-selects { display: flex; gap: 12px; flex: 1; align-items: center; flex-wrap: wrap; }
.select-wrap { position: relative; flex: 1; min-width: 160px; }
.filter-select {
  width: 100%;
  padding: 10px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 0.88rem;
  color: var(--gray-700);
  background: var(--gray-50);
  cursor: pointer;
  appearance: none;
  outline: none;
  transition: var(--transition);
}
.filter-select:focus { border-color: var(--green-500); background: var(--white); }
.btn-filter-more {
  display: inline-block;
  position: relative;
  overflow: hidden;
  background: var(--green-600);
  color: var(--white);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  transition: var(--transition);
  white-space: nowrap;
  z-index: 1;
}
.btn-filter-more::before {
  content: '';
  position: absolute;
  top: 50%; right: -20px;
  width: 0; height: 0;
  background: var(--green-800);
  border-radius: 50%;
  transform: translate(50%, -50%) scale(0);
  transition: var(--transition-slow);
  z-index: -1;
}
.btn-filter-more:hover::before { width: 300px; height: 300px; transform: translate(50%, -50%) scale(1); }

/* Courses Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.course-card {
  background: var(--white);
  border-radius: var(--radius-xl) var(--radius-xl) var(--radius) var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.course-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.course-card-img {
  width: 100%;
  height: 220px;
  overflow: hidden;
}
.course-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.course-card:hover .course-card-img img { transform: scale(1.06); }
.course-card-body { padding: 20px; }
.course-card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.course-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green-600);
  background: var(--green-50);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--green-200);
}
.course-explore-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: var(--transition);
}
.course-explore-btn:hover { color: var(--green-600); }
.arrow-icon { transition: transform 0.3s ease; display: inline-block; }
.course-explore-btn:hover .arrow-icon { transform: translateX(5px); }
.course-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.course-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 14px;
}
.course-meta { display: flex; align-items: center; gap: 12px; }
.course-age {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--green-700);
  background: var(--green-50);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

/* ============================================================
   PROMO SLIDER
   ============================================================ */
.promo-section {
  position: relative;
  height: 400px;
  overflow: hidden;
}
.promo-slider { position: relative; width: 100%; height: 100%; }
.promo-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}
.promo-slide.active { opacity: 1; }
.promo-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.promo-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,60,30,0.88) 0%, rgba(15,60,30,0.5) 60%, transparent 100%);
}
.promo-slide-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 0;
}
.promo-badge {
  display: inline-block;
  background: var(--green-500);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}
.promo-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 14px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.promo-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
  max-width: 480px;
}
.promo-prev, .promo-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: var(--transition);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}
.promo-prev { left: 20px; }
.promo-next { right: 20px; }
.promo-prev:hover, .promo-next:hover { background: var(--green-600); border-color: var(--green-600); }

/* ============================================================
   IMAGE BANNER SLIDER SECTION
   ============================================================ */
.img-banner-section {
  position: relative;
  background: #f8f9fa;
  overflow: hidden;
}
.img-banner-slider-wrap {
  position: relative;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px;
}
.img-banner-slide {
  display: none;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: imgBannerFadeIn 0.7s ease;
}
.img-banner-slide.active { display: block; }
.img-banner-slide img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}
@keyframes imgBannerFadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to   { opacity: 1; transform: scale(1); }
}

/* Prev / Next buttons */
.img-banner-prev,
.img-banner-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.9);
  color: var(--green-700);
  border: 2px solid var(--green-200);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.img-banner-prev { left: 32px; }
.img-banner-next { right: 32px; }
.img-banner-prev:hover,
.img-banner-next:hover {
  background: var(--green-600);
  color: var(--white);
  border-color: var(--green-600);
  box-shadow: var(--shadow-lg);
}

/* Dots */
.img-banner-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}
.img-banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-300);
  cursor: pointer;
  transition: var(--transition);
}
.img-banner-dot.active {
  background: var(--green-600);
  transform: scale(1.4);
}

/* Mobile */
@media (max-width: 768px) {
  .img-banner-slider-wrap { padding: 20px 12px; }
  .img-banner-prev { left: 8px; }
  .img-banner-next { right: 8px; }
  .img-banner-prev,
  .img-banner-next { width: 36px; height: 36px; font-size: 1rem; }
}

/* ============================================================
   NEWS SECTION
   ============================================================ */
.news-section {
  padding: 100px 0;
  background: var(--white);
}
.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 20px;
  flex-wrap: wrap;
}
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.news-featured { display: flex; flex-direction: column; gap: 0; }
.news-img-wrap {
  position: relative;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
}
.news-img-wrap img {
  width: 100%;
  aspect-ratio: 16 / 10;
  height: auto;
  object-fit: cover;
  object-position: center 25%;
  background: var(--gray-100);
  transition: transform 0.5s ease;
}
.news-featured:hover .news-img-wrap img { transform: scale(1.04); }
.news-category-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--green-600);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-full);
}
.news-category-tag.small {
  position: static;
  display: inline-block;
  margin-bottom: 6px;
}
.news-featured-body {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-top: none;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
}
.news-featured-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.3;
  margin-bottom: 12px;
}
.news-featured-desc { font-size: 0.9rem; color: var(--gray-500); line-height: 1.7; margin-bottom: 18px; }
.news-read-more { font-size: 0.9rem; font-weight: 700; color: var(--green-600); transition: var(--transition); }
.news-read-more:hover { color: var(--green-800); letter-spacing: 0.5px; }

.news-small-grid { display: flex; flex-direction: column; gap: 16px; }
.news-small-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--gray-50);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--gray-100);
}
.news-small-card:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.news-small-img { width: 110px; height: 90px; flex-shrink: 0; overflow: hidden; }
.news-small-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-small-card:hover .news-small-img img { transform: scale(1.08); }
.news-small-body { padding: 12px 16px 12px 0; flex: 1; }
.news-small-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1.4;
  margin-top: 4px;
  transition: color 0.2s;
}
.news-small-card:hover .news-small-title { color: var(--green-700); }

/* ============================================================
   VIDEO SECTION
   ============================================================ */
.video-section {
  padding: 100px 0;
  background: var(--green-dark);
}
.video-section .section-badge { background: rgba(255,255,255,0.15); color: var(--green-200); }
.video-section .section-title { color: var(--white); }
.video-section .section-desc { color: rgba(255,255,255,0.65); }

.video-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
}
/* Hero slides – background images (legacy, kept for reference) */
.hero-slide--dep1  { background-image: url('img/dep1.jpg'); }
.hero-slide--nhay1 { background-image: url('img/nhay1.jpg'); }
.hero-slide--hoc1  { background-image: url('img/hoc1.jpg'); }
/* Promo slides – background images moved from inline styles */
.promo-bg--dep2   { background-image: url('img/dep2.jpg'); }
.promo-bg--sukien1 { background-image: url('img/sukien1.jpg'); }
.promo-bg--nhay6  { background-image: url('img/nhay6.jpg'); }
/* Footer contact heading spacing (moved from inline style) */
.footer-title--contact { margin-top: 24px; }
.video-small-grid { display: grid; grid-template-rows: repeat(2, 1fr); gap: 20px; }

.video-thumb {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--gray-900);
}
.video-thumb-hero { height: 380px; }
.video-small-grid .video-thumb { height: 176px; }
.video-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-thumb:hover .video-preview,
.video-thumb:hover img { transform: scale(1.05); }

.video-overlay-play {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 60, 30, 0.15) 0%, rgba(15, 60, 30, 0.55) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.4s ease;
}
.video-thumb:hover .video-overlay-play {
  background: linear-gradient(180deg, rgba(15, 60, 30, 0.25) 0%, rgba(15, 60, 30, 0.7) 100%);
}

/* Modern play button: gradient core + outer pulse ring + crisp SVG triangle */
.play-btn-circle {
  position: relative;
  width: 62px;
  height: 62px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.4s ease,
              background 0.3s ease;
  box-shadow:
    0 0 0 6px rgba(255, 255, 255, 0.22),
    0 8px 24px rgba(0, 0, 0, 0.35);
}
.play-btn-circle svg {
  width: 38%;
  height: 38%;
  margin-left: 6%; /* nudge triangle visually to center */
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.25));
}
.play-btn-circle.large { width: 80px; height: 80px; }
.play-btn-circle.large svg { width: 36%; height: 36%; }

/* Pulse ring */
.play-btn-circle::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.55);
  opacity: 0;
  animation: playPulse 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  pointer-events: none;
}
.play-btn-circle.large::before { inset: -14px; }
@keyframes playPulse {
  0%   { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(1.35); opacity: 0; }
}
.video-thumb:hover .play-btn-circle {
  transform: scale(1.08);
  background: linear-gradient(135deg, var(--green-400), var(--green-600));
  box-shadow:
    0 0 0 8px rgba(255, 255, 255, 0.3),
    0 12px 32px rgba(22, 163, 74, 0.5);
}

/* Hero "Xem Video" inline play icon */
.btn-hero-video-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-right: 4px;
  background: var(--white);
  color: var(--green-700);
  border-radius: 50%;
  vertical-align: middle;
}
.btn-hero-video-icon svg { width: 60%; height: 60%; margin-left: 2px; }

.video-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
}
.video-title-text {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--white);
}

/* ============================================================
   HALL OF GREATNESS
   ============================================================ */
.hall-section {
  padding: 100px 0;
  background: var(--gray-50);
}
.hall-slider-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
}
.hall-slider {
  display: flex;
  gap: 24px;
  overflow: hidden;
  flex: 1;
}
.hall-card {
  flex: 0 0 calc(25% - 18px);
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.hall-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.hall-avatar {
  width: 100%;
  height: 220px;
  overflow: hidden;
}
.hall-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease;
}
.hall-card:hover .hall-avatar img { transform: scale(1.06); }
.hall-body {
  padding: 18px 20px;
  text-align: center;
}
.hall-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.hall-center {
  display: block;
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-bottom: 10px;
}
.hall-achievement {
  display: inline-block;
  background: var(--green-600);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-full);
}
.hall-prev, .hall-next {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--white);
  color: var(--green-700);
  border: 2px solid var(--green-200);
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.hall-prev:hover, .hall-next:hover { background: var(--green-600); color: var(--white); border-color: var(--green-600); }

/* ============================================================
   FACILITIES SLIDER
   ============================================================ */
.facilities-section {
  padding: 100px 0;
  background: var(--white);
}
.facilities-slider-wrap {
  position: relative;
}
.facilities-slider {
  position: relative;
  height: 500px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.fac-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.fac-slide.active { opacity: 1; }
.fac-slide img { width: 100%; height: 100%; object-fit: cover; }
.fac-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
}
.fac-prev, .fac-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.9);
  color: var(--green-700);
  border: none;
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}
.fac-prev { left: 16px; }
.fac-next { right: 16px; }
.fac-prev:hover, .fac-next:hover { background: var(--green-600); color: var(--white); }
.fac-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.fac-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--transition);
}
.fac-dot.active { background: var(--white); transform: scale(1.3); }

/* ============================================================
   EVENTS SECTION
   ============================================================ */
.events-section {
  padding: 100px 0;
  background: var(--gray-50);
}
.events-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}
.event-large {
  grid-column: 1 / 3;
}
.event-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  min-height: 240px;
}
.event-item img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.event-large img { min-height: 340px; }
.event-item:hover img { transform: scale(1.06); }
.event-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15,60,30,0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  transition: var(--transition);
}
.event-item:hover .event-overlay { background: linear-gradient(180deg, transparent 20%, rgba(15,60,30,0.9) 100%); }
.event-cat {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green-300);
  margin-bottom: 6px;
  display: block;
}
.event-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}
.event-large .event-name { font-size: 1.4rem; }

/* ============================================================
   LOCATION SECTION
   ============================================================ */
.location-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.location-map-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.map-placeholder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.5);
}
.map-overlay-dark {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,60,30,0.85) 0%, rgba(15,60,30,0.6) 100%);
}
.location-content {
  position: relative;
  z-index: 2;
}
.location-box {
  background: rgba(255,255,255,0.97);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-xl);
}
.location-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
  text-align: center;
}
.location-sub {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 36px;
  font-size: 0.95rem;
}
.location-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.location-card {
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.location-card:hover { border-color: var(--green-400); box-shadow: var(--shadow); }
.location-card-header { margin-bottom: 12px; }
.location-badge-cs {
  display: inline-block;
  background: var(--green-600);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--radius-full);
}
.location-card-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.location-addr {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 4px;
}
.location-note {
  font-size: 0.8rem;
  color: var(--green-600);
  font-weight: 600;
  margin-bottom: 12px;
}
.location-hotline {
  display: block;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--green-700);
  margin-bottom: 16px;
  transition: color 0.2s;
}
.location-hotline:hover { color: var(--green-600); }
.btn-directions {
  display: inline-block;
  position: relative;
  overflow: hidden;
  background: transparent;
  color: var(--green-700);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  border: 2px solid var(--green-600);
  transition: var(--transition);
  z-index: 1;
}
.btn-directions::before {
  content: '';
  position: absolute;
  top: 50%; right: -20px;
  width: 0; height: 0;
  background: var(--green-600);
  border-radius: 50%;
  transform: translate(50%, -50%) scale(0);
  transition: var(--transition-slow);
  z-index: -1;
}
.btn-directions:hover::before { width: 300px; height: 300px; transform: translate(50%, -50%) scale(1); }
.btn-directions:hover { color: var(--white); }

/* ============================================================
   REGISTER SECTION
   ============================================================ */
.register-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--green-800) 0%, var(--green-600) 100%);
}
.register-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.register-desc {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}
.register-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.reg-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
}
.reg-feature::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent-gold);
  border-radius: 50%;
  flex-shrink: 0;
}

.register-form-wrap {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
}
.register-form { display: flex; flex-direction: column; gap: 16px; }
.form-input {
  width: 100%;
  padding: 14px 20px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--gray-700);
  background: var(--gray-50);
  outline: none;
  transition: var(--transition);
  appearance: none;
}
.form-input:focus {
  border-color: var(--green-500);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}
.form-select { cursor: pointer; }
.btn-register-submit {
  width: 100%;
  position: relative;
  overflow: hidden;
  background: var(--green-600);
  color: var(--white);
  font-family: var(--font);
  font-weight: 700;
  font-size: 1rem;
  padding: 16px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  z-index: 1;
  letter-spacing: 0.5px;
}
.btn-register-submit::before {
  content: '';
  position: absolute;
  top: 50%; right: -20px;
  width: 0; height: 0;
  background: var(--accent-gold);
  border-radius: 50%;
  transform: translate(50%, -50%) scale(0);
  transition: var(--transition-slow);
  z-index: -1;
}
.btn-register-submit:hover::before { width: 500px; height: 500px; transform: translate(50%, -50%) scale(1); }
.btn-register-submit:hover { box-shadow: var(--shadow-lg); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--green-dark);
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 50%;
  filter: brightness(1.1);
}
.footer-logo-text {
  display: flex;
  flex-direction: column;
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-desc {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  transition: var(--transition);
}
.social-btn.fb { background: #1877f2; color: var(--white); }
.social-btn.yt { background: #ff0000; color: var(--white); }
.social-btn.zl { background: #0068ff; color: var(--white); }
.social-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.footer-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--white);
  margin-bottom: 18px;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-links li a:hover { color: var(--green-400); padding-left: 4px; }

.footer-newsletter-desc {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 16px;
}
.newsletter-input-wrap {
  display: flex;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  transition: var(--transition);
}
.newsletter-input-wrap:focus-within { border-color: var(--green-400); }
.newsletter-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 12px 18px;
  color: var(--white);
  font-family: var(--font);
  font-size: 0.875rem;
}
.newsletter-input::placeholder { color: rgba(255,255,255,0.45); }
.newsletter-btn {
  background: var(--green-500);
  color: var(--white);
  border: none;
  padding: 12px 20px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}
.newsletter-btn:hover { background: var(--green-400); }

.footer-contact-info p {
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
  line-height: 1.7;
  margin-bottom: 12px;
}
.footer-contact-info a { color: var(--green-400); transition: color 0.2s; }
.footer-contact-info a:hover { color: var(--green-200); }

.footer-bottom {
  padding: 20px 0;
  background: rgba(0,0,0,0.2);
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { color: rgba(255,255,255,0.5); font-size: 0.82rem; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,0.5); font-size: 0.82rem; transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--green-400); }

/* ============================================================
   LEGAL / CERTIFICATION SECTION
   ============================================================ */
.legal-section {
  position: relative;
  padding: 100px 0;
  background:
    radial-gradient(ellipse at top left, rgba(22, 163, 74, 0.06), transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(245, 158, 11, 0.05), transparent 50%),
    var(--gray-50);
  overflow: hidden;
}
.legal-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(22, 163, 74, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 163, 74, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  pointer-events: none;
}
.legal-badge {
  background: var(--green-100);
  color: var(--green-800);
}
.legal-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
  z-index: 1;
}
.legal-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease;
  border: 1px solid var(--gray-100);
}
.legal-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.14);
}
.legal-card:hover .legal-stamp {
  transform: rotate(-4deg) scale(1.06);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Ribbon */
.legal-ribbon {
  position: relative;
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  color: var(--white);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-align: center;
  overflow: hidden;
}
.legal-ribbon::before,
.legal-ribbon::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  animation: legalShine 4s ease-in-out infinite;
}
.legal-ribbon::before { left: -80px; }
.legal-ribbon::after { right: -80px; animation-delay: 2s; }
.legal-ribbon--gold {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
}
@keyframes legalShine {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(calc(100vw + 80px)); }
}

.legal-doc { padding: 32px 32px 28px; }

.legal-doc-header {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 20px;
  margin-bottom: 22px;
  border-bottom: 2px dashed var(--gray-200);
}
.legal-stamp {
  flex-shrink: 0;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  border: 3px solid var(--green-600);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-700);
  font-weight: 900;
  font-size: 0.62rem;
  letter-spacing: 1px;
  position: relative;
  background: radial-gradient(circle, var(--green-50) 60%, var(--white) 100%);
  transform: rotate(-12deg);
  box-shadow: inset 0 0 0 2px rgba(22, 163, 74, 0.15);
}
.legal-stamp::after {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px dashed var(--green-600);
  border-radius: 50%;
  opacity: 0.6;
}
.legal-stamp--gold {
  border-color: var(--accent-gold-dark);
  color: var(--accent-gold-dark);
  background: radial-gradient(circle, #fef3c7 60%, var(--white) 100%);
  box-shadow: inset 0 0 0 2px rgba(245, 158, 11, 0.18);
}
.legal-stamp--gold::after { border-color: var(--accent-gold-dark); }

.legal-doc-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.legal-doc-sub {
  font-size: 0.82rem;
  color: var(--gray-500);
  font-weight: 600;
}

.legal-quote {
  position: relative;
  background: linear-gradient(135deg, var(--green-50), var(--white));
  border-left: 3px solid var(--green-600);
  padding: 16px 18px;
  margin-bottom: 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.legal-card:nth-child(2) .legal-quote {
  background: linear-gradient(135deg, #fffbeb, var(--white));
  border-left-color: var(--accent-gold-dark);
}
.legal-quote p {
  font-size: 0.92rem;
  font-style: italic;
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: 6px;
}
.legal-quote cite {
  display: block;
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 700;
  color: var(--green-700);
  letter-spacing: 0.3px;
}
.legal-card:nth-child(2) .legal-quote cite { color: var(--accent-gold-dark); }

.legal-info-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.legal-info-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--green-200);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.legal-info-row:hover {
  background: var(--green-50);
  border-left-color: var(--green-600);
}
.legal-card:nth-child(2) .legal-info-row { border-left-color: #fde68a; }
.legal-card:nth-child(2) .legal-info-row:hover {
  background: #fffbeb;
  border-left-color: var(--accent-gold-dark);
}
.legal-info-row--inline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: transparent;
  border-left: none;
  padding: 0;
}
.legal-info-row--inline:hover { background: transparent; }
.legal-info-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--green-200);
}
.legal-card:nth-child(2) .legal-info-cell { border-left-color: #fde68a; }
.legal-info-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--gray-500);
}
.legal-info-value {
  font-size: 0.9rem;
  color: var(--gray-800);
  line-height: 1.5;
}
.legal-info-value--strong {
  font-weight: 800;
  color: var(--green-800);
  font-size: 0.98rem;
}
.legal-card:nth-child(2) .legal-info-value--strong { color: var(--accent-gold-dark); }

.legal-doc-footer {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 2px dashed var(--gray-200);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.legal-issuer { display: flex; flex-direction: column; gap: 2px; }
.legal-issuer-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--gray-500);
}
.legal-issuer-value {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gray-800);
}
.legal-verified {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--green-600);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
}
.legal-verified--gold {
  background: var(--accent-gold-dark);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}
.legal-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--white);
  color: var(--green-700);
  font-size: 0.7rem;
  font-weight: 900;
}
.legal-verified--gold .legal-check { color: var(--accent-gold-dark); }

.legal-note {
  position: relative;
  text-align: center;
  margin-top: 40px;
  color: var(--gray-600);
  font-size: 0.92rem;
  font-style: italic;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  z-index: 1;
}

/* ---- Legal Documents Gallery (scan preview) ---- */
.legal-docs-gallery {
  position: relative;
  margin-top: 48px;
  z-index: 1;
}
.legal-docs-header {
  text-align: center;
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.legal-docs-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: 0.5px;
}
.legal-docs-sub {
  font-size: 0.92rem;
  color: var(--gray-500);
  font-style: italic;
}
.legal-docs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 980px;
  margin: 0 auto;
}
.legal-doc-preview {
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: pointer;
}
.legal-doc-preview-frame {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow:
    0 12px 30px rgba(0, 0, 0, 0.12),
    0 2px 6px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--gray-200);
  aspect-ratio: 1 / 1.414; /* A4 portrait */
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease;
}
.legal-doc-preview-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
  transform: translateX(-100%);
  transition: transform 0.8s ease;
  z-index: 2;
  pointer-events: none;
}
.legal-doc-preview:hover .legal-doc-preview-frame {
  transform: translateY(-6px) scale(1.015);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.18),
    0 4px 12px rgba(0, 0, 0, 0.1);
}
.legal-doc-preview:hover .legal-doc-preview-frame::before { transform: translateX(100%); }
.legal-doc-preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.legal-doc-preview-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(0,0,0,0.55) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 24px;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.legal-doc-preview:hover .legal-doc-preview-overlay { opacity: 1; }
.legal-doc-preview-zoom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: var(--green-700);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transform: translateY(10px);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.legal-doc-preview:hover .legal-doc-preview-zoom { transform: translateY(0); }
.legal-zoom-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--green-600);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 900;
  line-height: 1;
}
.legal-doc-preview-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 4px;
}
.legal-doc-preview-tag {
  flex-shrink: 0;
  background: var(--green-600);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-full);
}
.legal-doc-preview-tag--gold { background: var(--accent-gold-dark); }
.legal-doc-preview-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gray-700);
  line-height: 1.4;
}

/* ============================================================
   FLOATING CTA
   ============================================================ */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 12px 24px;
  background: var(--white);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
  display: flex;
  justify-content: center;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.floating-cta.visible { transform: translateY(0); }
.btn-floating {
  display: inline-block;
  position: relative;
  overflow: hidden;
  background: var(--green-600);
  color: var(--white);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  padding: 14px 40px;
  border-radius: var(--radius-full);
  z-index: 1;
  transition: var(--transition);
}
.btn-floating::before {
  content: '';
  position: absolute;
  top: 50%; right: -20px;
  width: 0; height: 0;
  background: var(--accent-gold);
  border-radius: 50%;
  transform: translate(50%, -50%) scale(0);
  transition: var(--transition-slow);
  z-index: -1;
}
.btn-floating:hover::before { width: 600px; height: 600px; transform: translate(50%, -50%) scale(1); }
.btn-floating:hover { box-shadow: var(--shadow-lg); }

/* ============================================================
   VIDEO MODAL
   ============================================================ */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.video-modal.open { opacity: 1; visibility: visible; }
.video-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.88);
  cursor: pointer;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.video-modal-content {
  position: relative;
  z-index: 2;
  width: 90%;
  max-width: 900px;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}
.video-modal.open .video-modal-content { transform: scale(1); }
.video-modal-close {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}
.video-modal-close:hover { background: rgba(255,255,255,0.3); }
.video-modal-player { width: 100%; aspect-ratio: 16/9; }
#modal-video { width: 100%; height: 100%; display: block; }

/* Image Modal */
.img-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.img-modal.open { opacity: 1; visibility: visible; }
.img-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.88);
  cursor: pointer;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.img-modal-content {
  position: relative;
  z-index: 2;
  max-width: 90%;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.img-modal-close {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(255,255,255,0.2);
  color: var(--white);
  border: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}
.img-modal-close:hover { background: rgba(255,255,255,0.35); }
#modal-img { max-width: 100%; max-height: 85vh; object-fit: contain; display: block; transition: opacity 0.3s ease; }
.img-modal--loading #modal-img { opacity: 0; }
.img-modal--loading .img-modal-content::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 48px; height: 48px;
  margin: -24px 0 0 -24px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: imgLoaderSpin 0.8s linear infinite;
  z-index: 5;
}
@keyframes imgLoaderSpin { to { transform: rotate(360deg); } }

/* ============================================================
   SUCCESS MESSAGE (Toast)
   ============================================================ */
.toast-msg {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--green-600);
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  z-index: 9998;
  opacity: 0;
  transition: all 0.4s ease;
}
.toast-msg.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   RESPONSIVE – Mobile-First Complete Overhaul
   ============================================================ */

/* ---- 1024px: Tablet Landscape ---- */
@media (max-width: 1024px) {
  .courses-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .intro-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hall-card { flex: 0 0 calc(50% - 12px); }
  .video-grid { grid-template-columns: 1fr; gap: 16px; }
  .video-thumb-hero { height: 320px; }
  .video-small-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; gap: 16px; }
  .video-small-grid .video-thumb { height: 180px; }
  .register-grid { gap: 40px; }
  .register-form-wrap { padding: 32px; }
  .events-masonry { gap: 16px; }
}

/* ---- 900px: Tablet ---- */
@media (max-width: 900px) {
  .intro-grid { grid-template-columns: 1fr; gap: 32px; }
  .intro-main-img { height: 380px; }
  .intro-stat-card { right: 16px; }
  .intro-stat-2 { right: 16px; }
  .news-grid { grid-template-columns: 1fr; gap: 24px; }
  .location-cards-grid { grid-template-columns: 1fr; gap: 20px; }
  .register-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---- 768px: Tablet Portrait ---- */
@media (max-width: 768px) {
  /* Topbar */
  .topbar-contact { display: none; }
  .topbar-links { gap: 12px; }
  .topbar-link { font-size: 0.72rem; }

  /* Header */
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .btn-register { font-size: 0.78rem; padding: 9px 16px; }
  .logo-img { width: 38px; height: 38px; border-radius: 50%; }
  .logo-title { font-size: 0.62rem; }
  .logo-sub { font-size: 0.55rem; }

  /* Hero */
  .hero-section { height: 80vh; min-height: 500px; }
  .hero-slide-img { object-position: center 30%; }
  .hero-title { font-size: 2rem; line-height: 1.15; }
  .hero-desc { font-size: 0.92rem; margin-bottom: 24px; }
  .hero-content { padding-bottom: 80px; }
  .hero-badge { font-size: 0.7rem; padding: 5px 14px; }
  .hero-ctas { gap: 12px; }
  .btn-hero-primary { padding: 14px 28px; font-size: 0.9rem; }
  .btn-hero-video { padding: 12px 22px; font-size: 0.9rem; }
  .hero-prev, .hero-next { width: 44px; height: 44px; font-size: 1rem; }

  /* Intro */
  .intro-section { padding: 60px 0; }
  .intro-grid { grid-template-columns: 1fr; gap: 28px; }
  .intro-main-img { height: 300px; border-radius: var(--radius-xl); }
  .intro-stat-card { right: 8px; bottom: 24px; }
  .intro-stat-2 { bottom: 110px; right: 8px; }

  /* Vision / Mission / Values */
  .vision-section { padding: 60px 0; }
  .vision-grid { grid-template-columns: 1fr; gap: 20px; margin-top: 32px; }
  .vision-card { padding: 32px 24px 28px; }
  .vision-card-number { font-size: 3.4rem; }
  .vision-card-title { font-size: 1.15rem; }

  /* Legal */
  .legal-section { padding: 60px 0; }
  .legal-grid { grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }
  .legal-docs-grid { grid-template-columns: 1fr 1fr; gap: 18px; }
  .legal-docs-gallery { margin-top: 40px; }
  .legal-doc { padding: 24px 22px 22px; }
  .legal-doc-header { gap: 14px; padding-bottom: 16px; margin-bottom: 18px; }
  .legal-stamp { width: 64px; height: 64px; font-size: 0.55rem; }
  .legal-doc-title { font-size: 1.05rem; }
  .legal-info-row--inline { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
  .legal-info-cell { padding: 8px 10px; }
  .legal-info-label { font-size: 0.62rem; letter-spacing: 0.5px; }
  .legal-info-value { font-size: 0.85rem; }
  .legal-info-value--strong { font-size: 0.92rem; }
  .legal-quote p { font-size: 0.85rem; }
  .legal-ribbon { padding: 14px 24px; font-size: 0.72rem; letter-spacing: 2px; }
  .legal-doc-footer { gap: 12px; }

  /* Courses */
  .courses-section { padding: 60px 0; }
  .courses-grid { grid-template-columns: 1fr; gap: 20px; }
  .course-card-img { height: 200px; }
  .course-filter { flex-direction: column; align-items: stretch; gap: 12px; padding: 16px 20px; }
  .filter-selects { flex-direction: column; gap: 10px; }
  .select-wrap { min-width: 100%; }
  .btn-filter-more { text-align: center; }

  /* Promo */
  .promo-section { height: 320px; }
  .promo-title { font-size: 1.8rem; }
  .promo-desc { font-size: 0.9rem; }
  .promo-prev, .promo-next { width: 40px; height: 40px; font-size: 1rem; }

  /* News */
  .news-section { padding: 60px 0; }
  .news-grid { grid-template-columns: 1fr; gap: 24px; }
  .news-img-wrap img { aspect-ratio: 16 / 10; height: auto; }
  .news-featured-title { font-size: 1.1rem; }

  /* Video */
  .video-section { padding: 60px 0; }
  .video-grid { grid-template-columns: 1fr; gap: 16px; }
  .video-thumb-hero { height: 240px; }
  .video-small-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .video-small-grid .video-thumb { height: 150px; }

  /* Hall */
  .hall-section { padding: 60px 0; }
  .hall-card { flex: 0 0 calc(100%); }
  .hall-avatar { height: 200px; }

  /* Facilities */
  .facilities-section { padding: 60px 0; }
  .facilities-slider { height: 260px; }
  .fac-prev { left: 8px; }
  .fac-next { right: 8px; }

  /* Events */
  .events-section { padding: 60px 0; }
  .events-masonry { grid-template-columns: 1fr 1fr; gap: 12px; }
  .event-large { grid-column: 1 / 3; }
  .event-large img { min-height: 260px; }
  .event-item { min-height: 180px; }
  .event-item img { min-height: 180px; }

  /* Location */
  .location-section { padding: 60px 0; }
  .location-box { padding: 28px 24px; }
  .location-title { font-size: 1.6rem; }
  .location-cards-grid { grid-template-columns: 1fr; gap: 16px; }
  .location-card { padding: 20px; }

  /* Register */
  .register-section { padding: 60px 0; }
  .register-grid { grid-template-columns: 1fr; gap: 32px; }
  .register-form-wrap { padding: 24px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer { padding-top: 48px; }

  /* Floating CTA */
  .floating-cta { padding: 10px 16px; }
  .btn-floating { font-size: 0.85rem; padding: 12px 28px; }
}

/* ---- 600px: Large Phone ---- */
@media (max-width: 600px) {
  /* Hero */
  .hero-ctas { flex-direction: column; align-items: flex-start; gap: 10px; }
  .btn-hero-primary, .btn-hero-video { width: 100%; max-width: 280px; justify-content: center; }

  /* Events */
  .events-masonry { grid-template-columns: 1fr; }
  .event-large { grid-column: 1; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; gap: 10px; }
  .footer-bottom-links { justify-content: center; }

  /* News small card */
  .news-small-card { flex-direction: column; }
  .news-small-img { width: 100%; height: 150px; }
  .news-small-body { padding: 12px; }
}

/* ---- 480px: Phone ---- */
@media (max-width: 480px) {
  .container { padding: 0 14px; }

  /* Topbar */
  .topbar { display: none; }

  /* Header compact */
  .header-inner { padding-top: 10px; padding-bottom: 10px; gap: 12px; }
  .logo-img { width: 32px; height: 32px; border-radius: 50%; }

  /* Hero – Mobile: ảnh ngang rất rộng, hiển thị toàn bộ không crop
     Dùng display:block/none thay vì opacity để tránh chiều cao bị collapse */
  .hero-section {
    height: auto;
    min-height: unset;
    overflow: visible;
  }
  .hero-slider {
    position: relative;
    height: auto;
    overflow: visible;
  }
  .hero-slide {
    position: relative;
    height: auto;
    opacity: 1;
    transition: none;
    display: none;
  }
  .hero-slide.active {
    display: block;
  }
  .hero-slide-img {
    position: relative;
    width: 100%;
    height: auto;
    object-fit: unset;
    object-position: unset;
    display: block;
  }
  .hero-overlay,
  .hero-overlay--light {
    display: none;
  }
  .hero-content {
    position: relative;
    left: 0;
    transform: none;
    padding: 12px 0 16px;
    background: var(--green-800);
    width: 100%;
    bottom: auto;
  }
  .hero-content .hero-ctas {
    justify-content: center;
  }
  .hero-dots {
    bottom: auto;
    position: relative;
    padding: 10px 0 6px;
    background: var(--green-800);
  }
  .hero-prev, .hero-next {
    position: absolute;
    top: 30%;
    z-index: 20;
    background: rgba(255,255,255,0.8);
    color: var(--green-700);
    border-color: var(--green-200);
  }
  .hero-prev { left: 6px; }
  .hero-next { right: 6px; }
  .hero-prev, .hero-next { width: 34px; height: 34px; font-size: 0.9rem; }
  .hero-dots { gap: 6px; }
  .hero-dot { width: 8px; height: 8px; }
  .btn-hero-primary { padding: 12px 24px; font-size: 0.88rem; }
  .btn-hero-video { padding: 10px 20px; font-size: 0.88rem; }

  /* Section spacing */
  .intro-section,
  .vision-section,
  .courses-section,
  .news-section,
  .video-section,
  .hall-section,
  .facilities-section,
  .legal-section,
  .events-section,
  .location-section,
  .register-section { padding: 48px 0; }
  .section-header { margin-bottom: 28px; }
  .section-title { font-size: 1.55rem; }
  .section-desc { font-size: 0.88rem; }
  .section-badge { font-size: 0.68rem; }

  /* Intro */
  .intro-main-img { height: 250px; border-radius: var(--radius-lg); }
  .intro-stat-card { padding: 12px 16px; }
  .stat-number { font-size: 1.6rem; }
  .stat-label { font-size: 0.65rem; }
  .intro-stat-card { right: 0; bottom: 16px; }
  .intro-stat-2 { bottom: 96px; right: 0; }

  /* Vision / Mission / Values */
  .vision-card { padding: 28px 20px 24px; border-radius: var(--radius); }
  .vision-card-number { font-size: 3rem; }
  .vision-card-label { font-size: 0.66rem; letter-spacing: 1.5px; padding: 5px 12px; }
  .vision-card-title { font-size: 1.05rem; margin-bottom: 10px; }
  .vision-card-desc { font-size: 0.85rem; }
  .vision-values-list li { font-size: 0.83rem; }
  .vision-bg-shape--1, .vision-bg-shape--2 { display: none; }

  /* Legal */
  .legal-doc { padding: 20px 16px 18px; }
  .legal-doc-header { flex-direction: column; align-items: flex-start; gap: 12px; text-align: left; }
  .legal-stamp { width: 56px; height: 56px; transform: rotate(-8deg); }
  .legal-doc-title { font-size: 1rem; }
  .legal-doc-sub { font-size: 0.78rem; }
  .legal-info-row--inline { grid-template-columns: 1fr; gap: 8px; }
  .legal-ribbon { font-size: 0.66rem; letter-spacing: 1.5px; padding: 12px 18px; }
  .legal-doc-footer { flex-direction: column; align-items: flex-start; }
  .legal-quote { padding: 12px 14px; }
  .legal-quote p { font-size: 0.82rem; }
  .legal-quote cite { font-size: 0.72rem; }
  .legal-note { font-size: 0.85rem; margin-top: 28px; padding: 0 8px; }

  /* Legal docs gallery */
  .legal-docs-grid { grid-template-columns: 1fr; gap: 24px; max-width: 360px; }
  .legal-docs-gallery { margin-top: 32px; }
  .legal-docs-title { font-size: 0.95rem; }
  .legal-docs-sub { font-size: 0.78rem; }
  .legal-doc-preview-zoom { font-size: 0.78rem; padding: 8px 16px; }
  .legal-doc-preview-name { font-size: 0.82rem; }
  .legal-doc-preview-overlay { opacity: 1; padding-bottom: 16px; background: linear-gradient(180deg, rgba(0,0,0,0) 70%, rgba(0,0,0,0.5) 100%); }

  /* Courses */
  .course-card-img { height: 180px; }
  .course-title { font-size: 1.15rem; }
  .course-desc { font-size: 0.82rem; }

  /* Promo */
  .promo-section { height: 280px; }
  .promo-title { font-size: 1.5rem; }
  .promo-desc { font-size: 0.82rem; margin-bottom: 18px; }
  .promo-prev, .promo-next { width: 36px; height: 36px; font-size: 0.9rem; }
  .promo-prev { left: 8px; }
  .promo-next { right: 8px; }

  /* News */
  .news-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .news-img-wrap img { aspect-ratio: 16 / 10; height: auto; }
  .news-featured-title { font-size: 1rem; }
  .news-featured-desc { font-size: 0.85rem; }
  .news-small-card { flex-direction: column; border-radius: var(--radius); }
  .news-small-img { width: 100%; height: 140px; }
  .news-small-title { font-size: 0.85rem; }

  /* Video */
  .video-thumb-hero { height: 200px; }
  .video-small-grid { grid-template-columns: 1fr; }
  .video-small-grid .video-thumb { height: 180px; }
  .play-btn-circle { width: 52px; height: 52px; }
  .play-btn-circle.large { width: 64px; height: 64px; }
  .play-btn-circle::before { inset: -8px; border-width: 1.5px; }
  .play-btn-circle.large::before { inset: -10px; }

  /* Hall */
  .hall-slider-wrap { flex-direction: column; }
  .hall-prev, .hall-next { display: none; }
  .hall-slider {
    overflow-x: auto;
    gap: 14px;
    padding-bottom: 12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .hall-card {
    flex: 0 0 240px;
    scroll-snap-align: start;
  }
  .hall-avatar { height: 180px; }

  /* Facilities */
  .facilities-slider { height: 220px; }
  .fac-prev { left: 6px; }
  .fac-next { right: 6px; }
  .fac-dots { bottom: 12px; }

  /* Events */
  .events-masonry { grid-template-columns: 1fr; gap: 12px; }
  .event-large { grid-column: 1; }
  .event-item { min-height: 200px; }
  .event-item img { min-height: 200px; }
  .event-large img { min-height: 240px; }
  .event-name { font-size: 0.9rem; }
  .event-large .event-name { font-size: 1.1rem; }
  .event-overlay { padding: 14px; }

  /* Location */
  .location-box { padding: 20px 16px; border-radius: var(--radius-lg); }
  .location-title { font-size: 1.35rem; }
  .location-sub { font-size: 0.85rem; margin-bottom: 20px; }
  .location-cards-grid { gap: 14px; }
  .location-card { padding: 18px 16px; }
  .location-card-name { font-size: 1rem; }
  .location-addr { font-size: 0.82rem; }
  .location-hotline { font-size: 1.1rem; margin-bottom: 12px; }
  .btn-directions { font-size: 0.82rem; padding: 9px 18px; }

  /* Register */
  .register-form-wrap { padding: 20px 16px; border-radius: var(--radius-lg); }
  .form-input { padding: 12px 16px; font-size: 0.88rem; }
  .btn-register-submit { font-size: 0.92rem; padding: 14px; }
  .reg-feature { font-size: 0.85rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 20px; padding-bottom: 32px; }
  .footer { padding-top: 36px; }
  .footer-title { font-size: 0.72rem; margin-bottom: 12px; }
  .footer-desc { font-size: 0.82rem; }
  .footer-logo { width: 60px; height: 60px; }
  .newsletter-input { padding: 10px 14px; font-size: 0.82rem; }
  .newsletter-btn { padding: 10px 16px; font-size: 0.78rem; }
  .footer-contact-info p { font-size: 0.78rem; }
  .footer-bottom p, .footer-bottom-links a { font-size: 0.75rem; }

  /* Floating CTA */
  .floating-cta { padding: 8px 12px; }
  .btn-floating { font-size: 0.8rem; padding: 11px 24px; }
  .toast-msg { font-size: 0.82rem; padding: 12px 20px; bottom: 90px; }

  /* Modals */
  .video-modal-content { width: 96%; border-radius: var(--radius); }
  .img-modal-content { max-width: 96%; }
}

/* ---- 375px: Small Phone ---- */
@media (max-width: 375px) {
  .container { padding: 0 12px; }
  .hero-title { font-size: 1.45rem; }
  .hero-desc { font-size: 0.82rem; }
  .section-title { font-size: 1.4rem; }
  .btn-hero-primary { font-size: 0.85rem; padding: 12px 22px; }
  .btn-hero-video { font-size: 0.85rem; padding: 10px 18px; }
  .logo-title { font-size: 0.58rem; }
  .logo-sub { font-size: 0.5rem; }
  .hall-card { flex: 0 0 210px; }
  .location-box { padding: 16px 12px; }
  .location-hotline { font-size: 1rem; }
  .register-form-wrap { padding: 16px 12px; }
  .promo-section { height: 260px; }
  .promo-title { font-size: 1.3rem; }
  .event-name { font-size: 0.82rem; }
}

/* ---- 320px: Very Small Phone ---- */
@media (max-width: 320px) {
  .hero-title { font-size: 1.3rem; }
  .section-title { font-size: 1.25rem; }
  .hero-badge { display: none; }
  .btn-hero-primary, .btn-hero-video { font-size: 0.8rem; }
  .logo-text { display: none; }
  .hall-card { flex: 0 0 190px; }
}

/* ---- Touch & Mobile UX Improvements ---- */
@media (hover: none) and (pointer: coarse) {
  /* Bigger tap targets */
  .nav-link { padding: 12px 16px; }
  .mobile-nav-list > li > a { padding: 14px 16px; min-height: 48px; }
  .mobile-close { min-width: 44px; min-height: 44px; }
  .hamburger { padding: 8px; }
  .hero-prev, .hero-next,
  .promo-prev, .promo-next,
  .fac-prev, .fac-next { min-width: 44px; min-height: 44px; }
  .hall-slider { scroll-snap-type: x mandatory; }

  /* Remove hover-only animations that feel broken on touch */
  .course-card:hover { transform: none; box-shadow: var(--shadow); }
  .hall-card:hover { transform: none; }
  .news-small-card:hover { transform: none; }
  .subject-tag:hover { background: var(--green-50); color: var(--green-700); border-color: var(--green-200); }

  /* Better form inputs on mobile */
  .form-input { font-size: 16px; } /* Prevent iOS zoom */
  .filter-select { font-size: 16px; }
  .newsletter-input { font-size: 16px; }
}

/* ---- Safe area for devices with notch ---- */
@supports (padding: max(0px)) {
  .floating-cta {
    padding-bottom: max(12px, env(safe-area-inset-bottom));
  }
  .mobile-menu {
    padding-bottom: max(24px, env(safe-area-inset-bottom));
  }
}

/* ---- Mobile floating FAB (Phone + Zalo) - HIDDEN per request for cleaner UI ---- */
.mobile-phone-fab { display: none !important; }

/* ============================================================
   ZALO FLOATING CHAT BUBBLE
   ============================================================ */
.zalo-bubble {
  --zalo-blue: #0068ff;
  --zalo-blue-dark: #0052cc;
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 92;
  width: 60px;
  height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  text-decoration: none;
  /* Initial hidden state - revealed on scroll */
  opacity: 0;
  transform: translateY(20px) scale(0.85);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.zalo-bubble.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.zalo-bubble-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--zalo-blue) 0%, var(--zalo-blue-dark) 100%);
  border-radius: 50%;
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.9),
    0 8px 24px rgba(0, 104, 255, 0.45),
    0 2px 6px rgba(0, 0, 0, 0.15);
  color: var(--white);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}
.zalo-bubble-text {
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--white);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}
.zalo-bubble:hover .zalo-bubble-inner {
  transform: scale(1.08) rotate(-5deg);
  box-shadow:
    0 0 0 5px rgba(255, 255, 255, 0.95),
    0 12px 32px rgba(0, 104, 255, 0.6),
    0 2px 8px rgba(0, 0, 0, 0.2);
}
.zalo-bubble:active .zalo-bubble-inner { transform: scale(0.96); }

/* Pulse rings */
.zalo-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--zalo-blue);
  opacity: 0.4;
  animation: zaloPulse 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  pointer-events: none;
  z-index: 1;
}
.zalo-pulse--delay { animation-delay: 1.2s; }
@keyframes zaloPulse {
  0%   { transform: scale(0.95); opacity: 0.45; }
  100% { transform: scale(1.8);  opacity: 0; }
}

/* Tooltip on hover (desktop) */
.zalo-bubble-tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--gray-900);
  color: var(--white);
  padding: 10px 16px;
  border-radius: 12px;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.zalo-bubble-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--gray-900);
}
.zalo-tooltip-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.zalo-tooltip-sub {
  font-size: 0.72rem;
  opacity: 0.75;
  font-weight: 500;
}
.zalo-bubble:hover .zalo-bubble-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* Notification badge */
.zalo-bubble-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  z-index: 3;
  width: 20px;
  height: 20px;
  background: #ef4444;
  color: var(--white);
  border: 2px solid var(--white);
  border-radius: 50%;
  font-size: 0.66rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: zaloBadgeBounce 1.8s ease-in-out infinite;
}
@keyframes zaloBadgeBounce {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.12); }
}

/* Adjust position when floating CTA is visible so they don't overlap on small screens */
.zalo-bubble.has-floating-cta { bottom: 84px; }

/* Mobile sizing */
@media (max-width: 768px) {
  .zalo-bubble {
    width: 54px;
    height: 54px;
    right: 16px;
    bottom: 18px;
  }
  .zalo-bubble.has-floating-cta { bottom: 78px; }
  /* Hide tooltip on touch devices - takes too much space */
  .zalo-bubble-tooltip { display: none; }
}
@media (max-width: 480px) {
  .zalo-bubble {
    width: 50px;
    height: 50px;
    right: 14px;
    bottom: 16px;
  }
  .zalo-bubble.has-floating-cta { bottom: 72px; }
  .zalo-bubble-badge { width: 18px; height: 18px; font-size: 0.6rem; }
}

/* Honor safe-area for notched devices */
@supports (padding: max(0px)) {
  .zalo-bubble {
    bottom: max(18px, env(safe-area-inset-bottom));
  }
  .zalo-bubble.has-floating-cta {
    bottom: max(78px, calc(env(safe-area-inset-bottom) + 60px));
  }
}