@charset "UTF-8";
/* ===================================================================
   CHUYỂN ĐỔI SỐ TỈNH KHÁNH HOÀ - NGÀY HỘI CÔNG NGHỆ SỐ 2026
   Modern Cyber Digital Motion Design System
   Typography: Be Vietnam Pro & Montserrat (100% Native Vietnamese Support)
   =================================================================== */

:root {
  /* Color Palette - Nha Trang Deep Sea & Digital Cyan Neon */
  --bg-primary: #050814;
  --bg-secondary: #0a1128;
  --bg-card: rgba(13, 23, 48, 0.72);
  --bg-card-hover: rgba(20, 36, 74, 0.85);
  --bg-glass: rgba(10, 20, 42, 0.65);
  
  /* Cyber Accents */
  --cyan-core: #00f2fe;
  --cyan-glow: rgba(0, 242, 254, 0.45);
  --blue-electric: #4facfe;
  --blue-deep: #1e3c72;
  --teal-neon: #00f5a0;
  --teal-glow: rgba(0, 245, 160, 0.35);
  --amber-gold: #ffaa00;
  --amber-glow: rgba(255, 170, 0, 0.4);
  --purple-neon: #9d4edd;
  --rose-digital: #ff007f;

  /* Typography Colors */
  --text-main: #f0f6fc;
  --text-muted: #8b9bb4;
  --text-dim: #5c6b84;
  --text-accent: #00f2fe;

  /* Borders & Shadows */
  --border-glass: rgba(0, 242, 254, 0.18);
  --border-glass-bright: rgba(0, 242, 254, 0.5);
  --border-card: rgba(255, 255, 255, 0.08);
  --shadow-neon: 0 0 25px rgba(0, 242, 254, 0.3);
  --shadow-cyan-sm: 0 4px 15px rgba(0, 242, 254, 0.2);
  --shadow-gold-sm: 0 4px 15px rgba(255, 170, 0, 0.25);
  --shadow-elevation: 0 16px 40px rgba(0, 0, 0, 0.5);

  /* Fonts with 100% Native Vietnamese Diacritics Support */
  --font-heading: 'Be Vietnam Pro', 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light / Day mode toggle alternative variables if requested */
[data-theme="ocean-light"] {
  --bg-primary: #f0f7ff;
  --bg-secondary: #e2eeff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --text-main: #0c182e;
  --text-muted: #4a5d7c;
  --border-glass: rgba(0, 114, 255, 0.2);
}

/* Base Reset & Defaults */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(79, 172, 254, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 90%, rgba(157, 78, 221, 0.05) 0%, transparent 45%);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom High-Tech Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cyan-core), var(--blue-electric));
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyan-core);
}

/* Background Dynamic Canvas */
#digital-ocean-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

.section {
  padding: 6rem 0;
  position: relative;
  z-index: 2;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #ffffff 10%, var(--cyan-core) 60%, var(--blue-electric) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #fff3b0 0%, var(--amber-gold) 60%, #e07a5f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-cyber {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-glass-bright);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan-core);
  text-transform: uppercase;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.badge-cyber .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-core);
  box-shadow: 0 0 8px var(--cyan-core);
  animation: pulseGlow 1.8s infinite;
}

.badge-gold {
  background: rgba(255, 170, 0, 0.1);
  border-color: rgba(255, 170, 0, 0.4);
  color: var(--amber-gold);
}
.badge-gold .dot {
  background: var(--amber-gold);
  box-shadow: 0 0 8px var(--amber-gold);
}

/* Glassmorphism Card Style */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 1.25rem;
  box-shadow: var(--shadow-elevation);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.6), transparent);
}

.glass-panel:hover {
  border-color: var(--border-glass-bright);
  box-shadow: 0 18px 45px rgba(0, 242, 254, 0.15);
  transform: translateY(-4px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary-cyber {
  background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 198, 255, 0.4);
}

.btn-primary-cyber::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    transparent,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  transform: rotate(25deg) translateY(-100%);
  transition: transform 0.75s ease;
}

.btn-primary-cyber:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.5);
  color: #ffffff;
}

.btn-primary-cyber:hover::after {
  transform: rotate(25deg) translateY(100%);
}

.btn-outline-cyber {
  background: rgba(0, 242, 254, 0.05);
  color: var(--cyan-core);
  border: 1px solid var(--border-glass-bright);
  backdrop-filter: blur(8px);
}

.btn-outline-cyber:hover {
  background: rgba(0, 242, 254, 0.15);
  color: #ffffff;
  box-shadow: 0 0 20px var(--cyan-glow);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
  color: #1a0f00;
  box-shadow: var(--shadow-gold-sm);
  font-weight: 700;
}

.btn-gold:hover {
  box-shadow: 0 8px 25px rgba(255, 170, 0, 0.5);
  transform: translateY(-2px);
}

/* ===================================================================
   NAVIGATION BAR
   =================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0.85rem 0;
  background: rgba(5, 8, 20, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 242, 254, 0.15);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.6rem 0;
  background: rgba(4, 7, 18, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-emblem {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(79, 172, 254, 0.4));
  border: 1px solid var(--cyan-core);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-core);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
  position: relative;
  overflow: hidden;
}

.brand-emblem svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #ffffff;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--cyan-core);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
  padding: 0.3rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--cyan-core);
  box-shadow: 0 0 8px var(--cyan-core);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover, .nav-link.active {
  color: var(--cyan-core);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.btn-icon-sound {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-glass-bright);
  color: var(--cyan-core);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon-sound:hover {
  background: rgba(0, 242, 254, 0.2);
  box-shadow: 0 0 15px var(--cyan-glow);
}

.btn-icon-sound.muted {
  color: var(--text-dim);
  border-color: rgba(255, 255, 255, 0.1);
}

.nav-toggle-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===================================================================
   HERO SECTION - DIGITAL MOTION
   =================================================================== */
.hero-section {
  min-height: 100vh;
  padding-top: 8rem;
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 3;
}

.hero-tagline {
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-theme-quote {
  font-size: 1.1rem;
  color: var(--text-muted);
  border-left: 3px solid var(--cyan-core);
  padding-left: 1.25rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-theme-quote strong {
  color: #ffffff;
}

.hero-event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-muted);
  background: rgba(0, 242, 254, 0.05);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(0, 242, 254, 0.15);
}

.meta-item i, .meta-item svg {
  color: var(--cyan-core);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

/* Countdown HUD Component */
.countdown-box {
  background: rgba(10, 20, 42, 0.7);
  border: 1px solid var(--border-glass-bright);
  border-radius: 1.25rem;
  padding: 1.5rem;
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.countdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}

.countdown-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cyan-core);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

.countdown-card {
  background: rgba(5, 12, 30, 0.8);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: 0.85rem;
  padding: 0.85rem 0.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.countdown-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-core), transparent);
}

.countdown-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
  text-shadow: 0 0 12px var(--cyan-glow);
  margin-bottom: 0.25rem;
}

.countdown-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* Hero Visual 3D Showcase */
.hero-visual-card {
  position: relative;
  perspective: 1200px;
}

.visual-container {
  position: relative;
  border-radius: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--border-glass-bright);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 242, 254, 0.25);
  transform: rotateY(-6deg) rotateX(4deg);
  transition: transform var(--transition-smooth);
}

.visual-container:hover {
  transform: rotateY(0deg) rotateX(0deg);
}

.visual-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-smooth);
}

.visual-container:hover .visual-img {
  transform: scale(1.04);
}

.visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5, 8, 20, 0.1) 0%,
    rgba(5, 8, 20, 0.4) 60%,
    rgba(5, 8, 20, 0.95) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
}

.visual-badge-row {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.visual-caption h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.visual-caption p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Floating HUD Widgets over Hero Visual */
.hud-chip {
  position: absolute;
  background: rgba(10, 22, 48, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass-bright);
  padding: 0.75rem 1.15rem;
  border-radius: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  z-index: 4;
  animation: float 4s ease-in-out infinite;
}

.hud-chip-top {
  top: -20px;
  right: -20px;
}

.hud-chip-bottom {
  bottom: 25px;
  left: -25px;
  animation-delay: -2s;
}

.hud-chip-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chip-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(0, 242, 254, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-core);
}

.chip-text h4 {
  font-size: 0.85rem;
  color: #ffffff;
  font-weight: 700;
}

.chip-text span {
  font-size: 0.72rem;
  color: var(--teal-neon);
  font-family: var(--font-mono);
}

/* Live Metrics Bar */
.metrics-ribbon {
  background: rgba(10, 20, 42, 0.6);
  border-top: 1px solid rgba(0, 242, 254, 0.15);
  border-bottom: 1px solid rgba(0, 242, 254, 0.15);
  backdrop-filter: blur(14px);
  padding: 2.25rem 0;
  position: relative;
  z-index: 3;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.metric-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(79, 172, 254, 0.05));
  border: 1px solid var(--border-glass-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--cyan-core);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.2);
}

.metric-data h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
}

.metric-data p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===================================================================
   SECTION HEADERS
   =================================================================== */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan-core);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===================================================================
   PILLARS OF DIGITAL TRANSFORMATION
   =================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pillar-icon {
  width: 58px;
  height: 58px;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(30, 60, 114, 0.3));
  border: 1px solid var(--border-glass-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-core);
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.25);
}

.pillar-card:nth-child(2) .pillar-icon {
  background: linear-gradient(135deg, rgba(255, 170, 0, 0.25), rgba(224, 122, 95, 0.2));
  border-color: rgba(255, 170, 0, 0.5);
  color: var(--amber-gold);
  box-shadow: 0 0 20px rgba(255, 170, 0, 0.25);
}

.pillar-card:nth-child(3) .pillar-icon {
  background: linear-gradient(135deg, rgba(0, 245, 160, 0.25), rgba(0, 150, 100, 0.2));
  border-color: rgba(0, 245, 160, 0.5);
  color: var(--teal-neon);
  box-shadow: 0 0 20px rgba(0, 245, 160, 0.25);
}

.pillar-card:nth-child(4) .pillar-icon {
  background: linear-gradient(135deg, rgba(157, 78, 221, 0.25), rgba(90, 24, 154, 0.2));
  border-color: rgba(157, 78, 221, 0.5);
  color: #c77dff;
  box-shadow: 0 0 20px rgba(157, 78, 221, 0.25);
}

.pillar-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.pillar-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.pillar-features {
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}

.pillar-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.pillar-features li i {
  color: var(--cyan-core);
  font-size: 0.75rem;
}

/* ===================================================================
   EVENT HIGHLIGHT SHOWCASES
   =================================================================== */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.showcase-card {
  border-radius: 1.25rem;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  transition: all var(--transition-normal);
}

.showcase-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-bright);
  box-shadow: 0 15px 40px rgba(0, 242, 254, 0.2);
}

.showcase-thumb-box {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.showcase-thumb-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.showcase-card:hover .showcase-thumb-box img {
  transform: scale(1.08);
}

.showcase-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
}

.showcase-body {
  padding: 1.75rem;
}

.showcase-body h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.65rem;
}

.showcase-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.showcase-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
  font-size: 0.82rem;
  color: var(--cyan-core);
  font-family: var(--font-mono);
}

/* ===================================================================
   INTERACTIVE LIVESTREAM STUDIO DEMO
   =================================================================== */
.stream-demo-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.stream-player-box {
  background: #000;
  border-radius: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--border-glass-bright);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 242, 254, 0.2);
  position: relative;
}

.stream-frame {
  position: relative;
  width: 100%;
  height: 440px;
}

.stream-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stream-live-hud {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.65) 0%,
    transparent 25%,
    transparent 60%,
    rgba(0, 0, 0, 0.85) 100%
  );
  pointer-events: none;
}

.stream-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: auto;
}

.live-badge-red {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #e63946;
  color: #fff;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  animation: pulseGlow 1.5s infinite;
}

.streamer-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
}

.streamer-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--cyan-core);
}

.streamer-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
}

.live-viewers {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

/* Chat Simulator in Live Stream */
.stream-chat-container {
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: auto;
  max-height: 180px;
  overflow-y: hidden;
}

.chat-bubble {
  background: rgba(10, 20, 42, 0.75);
  backdrop-filter: blur(8px);
  border-radius: 0.75rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
  color: #fff;
  animation: slideUp 0.3s ease;
  border-left: 2px solid var(--cyan-core);
}

.chat-bubble .author {
  font-weight: 700;
  color: var(--cyan-core);
  margin-right: 0.35rem;
}

.chat-bubble .item-badge {
  background: rgba(255, 170, 0, 0.2);
  color: var(--amber-gold);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.7rem;
  margin-left: 0.4rem;
}

/* Floating Hearts Container */
.hearts-layer {
  position: absolute;
  right: 25px;
  bottom: 80px;
  width: 60px;
  height: 200px;
  pointer-events: none;
}

.floating-heart {
  position: absolute;
  bottom: 0;
  font-size: 1.5rem;
  color: #ff007f;
  animation: floatUpHeart 2s forwards ease-in;
}

/* Stream Control Toolbar */
.stream-bottom-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(10, 18, 38, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stream-input-mimic {
  flex-grow: 1;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  color: #fff;
  font-size: 0.85rem;
  margin-right: 1rem;
  outline: none;
}

.btn-heart-action {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff007f, #ff4081);
  border: none;
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
  transition: transform var(--transition-fast);
}

.btn-heart-action:hover {
  transform: scale(1.15);
}

.btn-heart-action:active {
  transform: scale(0.9);
}

/* Featured OCOP Products Panel */
.ocop-products-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.product-item-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.2rem;
  border-radius: 1rem;
  background: rgba(13, 23, 48, 0.7);
  border: 1px solid var(--border-glass);
  transition: all var(--transition-normal);
}

.product-item-card:hover {
  border-color: var(--amber-gold);
  background: rgba(20, 36, 74, 0.9);
  transform: translateX(6px);
}

.product-thumb {
  width: 76px;
  height: 76px;
  border-radius: 0.75rem;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.product-details {
  flex-grow: 1;
}

.product-badge-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.product-details h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}

.product-details p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.product-action {
  text-align: right;
  flex-shrink: 0;
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--amber-gold);
  display: block;
  margin-bottom: 0.4rem;
}

/* ===================================================================
   INTERACTIVE 3D FLOOR PLAN / MAP OF 2/4 SQUARE
   =================================================================== */
.map-interactive-container {
  padding: 2rem;
}

.map-layout-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: start;
}

.map-svg-viewport {
  background: radial-gradient(circle at center, #0e1e40 0%, #060d1f 100%);
  border: 1px solid var(--border-glass-bright);
  border-radius: 1.25rem;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 40px rgba(0, 242, 254, 0.1);
}

.nha-trang-beach-label {
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan-core);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.map-svg {
  width: 100%;
  height: auto;
  max-height: 480px;
}

.map-zone {
  cursor: pointer;
  transition: all var(--transition-normal);
}

.map-zone:hover, .map-zone.active {
  filter: brightness(1.3) drop-shadow(0 0 12px var(--cyan-core));
}

.map-zone.active {
  stroke: #ffffff;
  stroke-width: 2.5;
}

.zone-details-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.zone-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal-neon);
}

.zone-info-card {
  padding: 1.75rem;
  border-radius: 1.25rem;
  background: rgba(13, 23, 48, 0.85);
  border: 1px solid var(--border-glass-bright);
}

.zone-info-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.65rem;
}

.zone-info-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.booth-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.booth-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.5rem 0.85rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.booth-list li i {
  color: var(--cyan-core);
}

/* ===================================================================
   INTERACTIVE EVENT AGENDA / TIMELINE
   =================================================================== */
.agenda-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  background: rgba(13, 23, 48, 0.7);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tab-btn:hover {
  color: #ffffff;
  border-color: var(--border-glass-bright);
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(79, 172, 254, 0.3));
  border-color: var(--cyan-core);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.25);
}

.timeline-flow {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
}

.timeline-flow::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-core) 0%, rgba(79, 172, 254, 0.2) 100%);
}

.timeline-node {
  position: relative;
  padding-left: 70px;
  margin-bottom: 2.5rem;
}

.node-marker {
  position: absolute;
  left: 17px;
  top: 15px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--cyan-core);
  box-shadow: 0 0 15px var(--cyan-core);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.node-marker::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-core);
}

.timeline-card {
  padding: 1.75rem;
  border-radius: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  transition: all var(--transition-normal);
}

.timeline-card:hover {
  border-color: var(--border-glass-bright);
  transform: translateX(8px);
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.15);
}

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.time-slot {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cyan-core);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.65rem;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.timeline-speakers {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}

.speaker-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.speaker-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-core);
  font-size: 0.75rem;
}

/* ===================================================================
   HOLOGRAPHIC VIP PASS GENERATOR
   =================================================================== */
.pass-generator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.generator-form-panel {
  padding: 2.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  border-radius: 0.75rem;
  background: rgba(5, 12, 30, 0.8);
  border: 1px solid var(--border-glass);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--cyan-core);
  box-shadow: 0 0 15px var(--cyan-glow);
}

select.form-control {
  cursor: pointer;
}

/* Holographic Pass Visual */
.pass-preview-stage {
  perspective: 1000px;
  display: flex;
  justify-content: center;
}

.holo-pass-card {
  width: 380px;
  border-radius: 1.5rem;
  background: linear-gradient(
    145deg,
    rgba(15, 30, 65, 0.9) 0%,
    rgba(5, 15, 35, 0.95) 50%,
    rgba(20, 45, 90, 0.9) 100%
  );
  border: 1px solid rgba(0, 242, 254, 0.4);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(0, 242, 254, 0.3);
  position: relative;
  overflow: hidden;
  padding: 2rem 1.75rem;
  backdrop-filter: blur(20px);
  transform-style: preserve-3d;
  transition: transform 0.2s ease;
}

/* Holographic Sheen Effect */
.holo-pass-card::before {
  content: '';
  position: absolute;
  inset: -100%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(0, 242, 254, 0.15) 30%,
    rgba(255, 0, 127, 0.1) 45%,
    rgba(255, 170, 0, 0.15) 60%,
    transparent 100%
  );
  transform: rotate(35deg);
  pointer-events: none;
  transition: transform 0.3s;
}

.pass-card-lanyard-hole {
  width: 50px;
  height: 8px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-glass-bright);
  border-radius: 4px;
  margin: 0 auto 1.5rem auto;
}

.pass-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0, 242, 254, 0.2);
  padding-bottom: 1rem;
}

.pass-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.pass-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--cyan-core);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.pass-logo-text {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.pass-role-badge {
  background: linear-gradient(135deg, #00c6ff, #0072ff);
  color: #fff;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
}

.pass-card-body {
  margin-bottom: 1.5rem;
}

.pass-holder-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 0.35rem;
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.pass-holder-org {
  font-size: 0.88rem;
  color: var(--cyan-core);
  margin-bottom: 1rem;
}

.pass-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.85rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.pass-meta-item span {
  display: block;
  font-size: 0.68rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.pass-meta-item strong {
  font-size: 0.82rem;
  color: #ffffff;
}

.pass-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(0, 242, 254, 0.2);
  padding-top: 1.2rem;
}

.pass-qr-box {
  background: #ffffff;
  padding: 6px;
  border-radius: 8px;
  width: 76px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pass-qr-box canvas {
  width: 100% !important;
  height: 100% !important;
}

.pass-code-details {
  text-align: right;
  font-family: var(--font-mono);
}

.pass-id-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cyan-core);
  display: block;
}

.pass-checksum {
  font-size: 0.65rem;
  color: var(--text-dim);
}

/* ===================================================================
   MINI GAME: THỬ THÁCH CÔNG DÂN SỐ KHÁNH HÒA 2026
   =================================================================== */
.quiz-game-panel {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem;
}

.quiz-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  margin-bottom: 2rem;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-core), var(--teal-neon));
  width: 25%;
  transition: width 0.4s ease;
}

.quiz-question-card {
  margin-bottom: 2rem;
}

.quiz-step-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan-core);
  margin-bottom: 0.5rem;
  display: block;
}

.quiz-question-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 1.5rem;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.quiz-option-btn {
  width: 100%;
  text-align: left;
  padding: 1.15rem 1.5rem;
  border-radius: 0.85rem;
  background: rgba(10, 20, 42, 0.7);
  border: 1px solid var(--border-glass);
  color: #ffffff;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quiz-option-btn:hover {
  background: rgba(20, 36, 74, 0.9);
  border-color: var(--cyan-core);
  transform: translateX(6px);
}

.quiz-option-btn.selected-correct {
  background: rgba(0, 245, 160, 0.15) !important;
  border-color: var(--teal-neon) !important;
  color: var(--teal-neon) !important;
}

.quiz-option-btn.selected-wrong {
  background: rgba(255, 0, 127, 0.15) !important;
  border-color: var(--rose-digital) !important;
  color: #ff85a1 !important;
}

.quiz-result-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  display: none;
}

.result-badge-icon {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-core), var(--blue-electric));
  color: #000;
  font-size: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
  box-shadow: 0 0 30px var(--cyan-glow);
}

/* ===================================================================
   PRESS & MEDIA HUB (BÁO KHÁNH HOÀ)
   =================================================================== */
.news-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.news-card {
  border-radius: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.news-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-bright);
  box-shadow: 0 15px 40px rgba(0, 242, 254, 0.2);
}

.news-card-thumb {
  height: 200px;
  overflow: hidden;
}

.news-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.news-card:hover .news-card-thumb img {
  transform: scale(1.08);
}

.news-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  color: var(--cyan-core);
  font-family: var(--font-mono);
}

.news-card-body h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.news-card-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.news-card-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ===================================================================
   FLOATING AI ASSISTANT WIDGET
   =================================================================== */
.ai-widget-launcher {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
}

.ai-launcher-btn {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: #050d24;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.5);
  transition: all var(--transition-fast);
  position: relative;
}

.ai-launcher-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 40px rgba(0, 242, 254, 0.7);
}

.ai-pulse-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--cyan-core);
  animation: pulseRing 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

/* AI Chat Modal */
.ai-chat-window {
  position: fixed;
  bottom: 105px;
  right: 30px;
  width: 380px;
  height: 520px;
  border-radius: 1.5rem;
  background: rgba(10, 18, 40, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-glass-bright);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 242, 254, 0.25);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: bottom right;
  transition: all var(--transition-normal);
  display: none;
}

.ai-chat-window.active {
  display: flex;
  animation: modalPop 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-chat-header {
  padding: 1.15rem 1.25rem;
  background: rgba(15, 28, 60, 0.9);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-chat-header-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ai-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-core), var(--blue-electric));
  color: #050d24;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.ai-title-block h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
}

.ai-status-online {
  font-size: 0.7rem;
  color: var(--teal-neon);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-close-chat {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-close-chat:hover {
  color: #fff;
}

.ai-chat-messages {
  flex-grow: 1;
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.msg {
  max-width: 82%;
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

.msg-bot {
  align-self: flex-start;
  background: rgba(19, 36, 75, 0.85);
  border: 1px solid var(--border-glass);
  color: #f0f6fc;
  border-bottom-left-radius: 0.25rem;
}

.msg-user {
  align-self: flex-end;
  background: linear-gradient(135deg, #0072ff, #00c6ff);
  color: #ffffff;
  border-bottom-right-radius: 0.25rem;
}

.ai-quick-prompts {
  padding: 0.5rem 1rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  white-space: nowrap;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.prompt-chip {
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--cyan-core);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.72rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.prompt-chip:hover {
  background: rgba(0, 242, 254, 0.2);
}

.ai-chat-input-bar {
  padding: 0.85rem 1.15rem;
  background: rgba(15, 28, 60, 0.9);
  border-top: 1px solid var(--border-glass);
  display: flex;
  gap: 0.6rem;
}

.chat-input {
  flex-grow: 1;
  background: rgba(5, 12, 30, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  padding: 0.6rem 1rem;
  color: #fff;
  font-size: 0.85rem;
  outline: none;
}

.chat-input:focus {
  border-color: var(--cyan-core);
}

.btn-send-chat {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--cyan-core);
  border: none;
  color: #050d24;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.btn-send-chat:hover {
  transform: scale(1.08);
}

/* ===================================================================
   FOOTER
   =================================================================== */
.footer {
  background: #02050f;
  border-top: 1px solid rgba(0, 242, 254, 0.15);
  padding: 4.5rem 0 2rem 0;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.85rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--cyan-core);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.footer-contact-item i {
  color: var(--cyan-core);
  margin-top: 0.2rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Toast Notifications */
.toast-notice {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(10, 22, 48, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--cyan-core);
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  color: #fff;
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.4);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast-notice.show {
  transform: translateX(-50%) translateY(0);
}

/* ===================================================================
   ANIMATION KEYFRAMES
   =================================================================== */
@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.1); }
}

@keyframes pulseRing {
  0% { transform: scale(0.95); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes floatUpHeart {
  0% { opacity: 1; transform: translateY(0) scale(0.8); }
  100% { opacity: 0; transform: translateY(-160px) scale(1.4) rotate(15deg); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.85) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ===================================================================
   RESPONSIVE BREAKPOINTS
   =================================================================== */
@media (max-width: 1200px) {
  .hero-title { font-size: 2.75rem; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual-card { order: -1; }
  .stream-demo-wrap { grid-template-columns: 1fr; }
  .map-layout-grid { grid-template-columns: 1fr; }
  .pass-generator-grid { grid-template-columns: 1fr; }
  .showcase-grid { grid-template-columns: 1fr; }
  .news-cards-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(5, 8, 20, 0.98);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-glass);
  }
  .nav-menu.show { display: flex; }
  .nav-toggle-btn { display: block; }
}

@media (max-width: 640px) {
  .hero-title { font-size: 2.1rem; }
  .countdown-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: 1fr; }
  .ai-chat-window { width: calc(100vw - 30px); right: 15px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .timeline-node { padding-left: 50px; }
  .timeline-flow::before { left: 16px; }
  .node-marker { left: 5px; }
}

/* ENHANCED RICH LAUNCHER - CHUYỂN ĐỔI SỐ KHÁNH HOÀ */
.ai-launcher-btn {
  width: auto !important;
  height: auto !important;
  border-radius: 9999px !important;
  padding: 10px 18px 10px 12px !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%) !important;
  color: #050d24 !important;
  font-family: inherit !important;
  font-weight: 700 !important;
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.45) !important;
  border: 1px solid rgba(255, 255, 255, 0.5) !important;
}
.ai-launcher-icon-box {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(5, 13, 36, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}
.ai-launcher-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.25;
}
.ai-launcher-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: #050d24;
}
.ai-launcher-sub {
  font-size: 0.68rem;
  font-weight: 500;
  color: rgba(5, 13, 36, 0.8);
}
.ai-launcher-badge {
  background: #050d24;
  color: #00f2fe;
  font-size: 0.64rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-left: 2px;
}