/* ==========================================
   CYBER POKER LANDING PAGE CSS STYLESHEET
   ========================================== */

/* ------------------------------------------
   1. CORE VARIABLES & DESIGN SYSTEM (THEMES)
   ------------------------------------------ */

/* Cyber Neon Theme (Default) */
.theme-cyber {
  --bg-dark: #06040f;
  --bg-dark-2: #0b0620;
  --bg-panel: rgba(12, 8, 30, 0.75);
  --bg-panel-solid: #0e0a24;
  --accent: #00f2ff;
  --accent-glow: rgba(0, 242, 255, 0.45);
  --neon-cyan: #00f2ff;
  --neon-pink: #ff2fd0;
  --neon-emerald: #39ff9d;
  --neon-gold: #e8ff4d;
  --border-glow: rgba(0, 242, 255, 0.18);
  --grid-line: rgba(0, 242, 255, 0.06);
  --text-primary: #eafcff;
  --text-secondary: #7f93b8;
  --text-muted: #515e7a;
  --glow-shadow: 0 0 15px rgba(0, 242, 255, 0.2);
  --gradient-primary: linear-gradient(135deg, #00f2ff, #9b5cff);
  --radial-glow: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(155, 92, 255, 0.25), transparent 60%);
}

/* Classic Casino Theme */
.theme-classic {
  --bg-dark: #06140b;
  --bg-dark-2: #030a06;
  --bg-panel: rgba(12, 30, 18, 0.75);
  --bg-panel-solid: #0d2114;
  --accent: #d4af37; /* Gold */
  --accent-glow: rgba(212, 175, 55, 0.45);
  --neon-cyan: #d4af37;
  --neon-pink: #e74c3c;
  --neon-emerald: #27ae60;
  --neon-gold: #f39c12;
  --border-glow: rgba(212, 175, 55, 0.18);
  --grid-line: rgba(212, 175, 55, 0.05);
  --text-primary: #f5f7f2;
  --text-secondary: #8ca395;
  --text-muted: #5b7364;
  --glow-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
  --gradient-primary: linear-gradient(135deg, #d4af37, #27ae60);
  --radial-glow: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(212, 175, 55, 0.22), transparent 60%);
}

/* Midnight Dark Theme */
.theme-dark {
  --bg-dark: #0d0d0f;
  --bg-dark-2: #050506;
  --bg-panel: rgba(20, 20, 24, 0.75);
  --bg-panel-solid: #151518;
  --accent: #ffffff;
  --accent-glow: rgba(255, 255, 255, 0.35);
  --neon-cyan: #ffffff;
  --neon-pink: #e74c3c;
  --neon-emerald: #2ecc71;
  --neon-gold: #f1c40f;
  --border-glow: rgba(255, 255, 255, 0.15);
  --grid-line: rgba(255, 255, 255, 0.03);
  --text-primary: #f0f3f4;
  --text-secondary: #85929e;
  --text-muted: #566573;
  --glow-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
  --gradient-primary: linear-gradient(135deg, #ffffff, #7f8c8d);
  --radial-glow: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(255, 255, 255, 0.06), transparent 60%);
}

:root {
  --font-orbitron: 'Orbitron', sans-serif;
  --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-elastic: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Reset and Globals */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.5s ease;
}

/* CRT Scanlines and Grid Background */
.scanlines {
  position: relative;
}

.scanlines::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.03),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 4px, 6px 100%;
  z-index: 9999;
  pointer-events: none;
}

/* Grid overlay behind content */
.grid-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: 
    repeating-linear-gradient(0deg, var(--grid-line) 0, var(--grid-line) 1px, transparent 1px, transparent 42px),
    repeating-linear-gradient(90deg, var(--grid-line) 0, var(--grid-line) 1px, transparent 1px, transparent 42px);
  background-attachment: fixed;
  pointer-events: none;
  z-index: 0;
}

/* Background Particle Canvas */
.particle-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography Utility */
.font-orbitron {
  font-family: var(--font-orbitron);
  letter-spacing: 0.1em;
}

/* Links */
a {
  text-decoration: none;
  color: inherit;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--neon-cyan);
  border-radius: 4px;
  border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--neon-pink);
}

/* ------------------------------------------
   2. BUTTONS & NEON EFFECTS
   ------------------------------------------ */
.btn-cyber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  font-family: var(--font-orbitron);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-elastic);
  position: relative;
  overflow: hidden;
  border: none;
}

.btn-glow-cyan {
  background: linear-gradient(135deg, var(--neon-cyan), var(--bg-dark-2));
  color: #fff;
  border: 1px solid var(--neon-cyan);
  box-shadow: var(--glow-shadow);
}

.btn-glow-cyan:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 25px var(--accent-glow);
  background: linear-gradient(135deg, var(--neon-cyan), #0b0620);
}

.btn-outline-pink {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 47, 208, 0.5);
  box-shadow: 0 0 10px rgba(255, 47, 208, 0.1);
}

.btn-outline-pink:hover {
  border-color: var(--neon-pink);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(255, 47, 208, 0.4);
  background: rgba(255, 47, 208, 0.1);
}

.btn-outline-cyan {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(0, 242, 255, 0.4);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.1);
}

.btn-outline-cyan:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.3);
  background: rgba(0, 242, 255, 0.08);
}

/* Text glow */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(0, 242, 255, 0.1);
}

.text-cyan { color: var(--neon-cyan); }
.text-pink { color: var(--neon-pink); }
.text-emerald { color: var(--neon-emerald); }
.text-gold { color: var(--neon-gold); }

/* ------------------------------------------
   3. HEADER & NAVIGATION
   ------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header.scrolled {
  height: 65px;
  background: rgba(6, 4, 15, 0.92);
  border-bottom: 1px solid var(--border-glow);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.theme-classic .site-header.scrolled {
  background: rgba(6, 20, 11, 0.94);
}
.theme-dark .site-header.scrolled {
  background: rgba(13, 13, 15, 0.94);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-primary);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
}

.logo-accent {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--accent-glow);
  margin-left: 6px;
}

.nav-menu {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-smooth);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--neon-cyan);
  transition: var(--transition-smooth);
}

.nav-link:hover {
  color: var(--neon-cyan);
}

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

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Theme Switcher Styles */
.theme-switcher-wrapper {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px;
  border-radius: 20px;
}

.theme-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 10px;
  font-family: var(--font-orbitron);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-transform: uppercase;
}

.theme-btn.active {
  background: var(--neon-cyan);
  color: var(--bg-dark-2);
  box-shadow: 0 0 10px var(--accent-glow);
}

.btn-nav-launch {
  padding: 8px 18px;
  font-size: 11px;
  border: 1px solid var(--neon-cyan);
  background: rgba(0, 242, 255, 0.05);
  color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.1);
}

.btn-nav-launch:hover {
  background: var(--neon-cyan);
  color: var(--bg-dark-2);
  box-shadow: 0 0 20px var(--accent-glow);
}

.icon-small {
  font-size: 10px;
}

/* ------------------------------------------
   4. HERO SECTION
   ------------------------------------------ */
.hero {
  min-height: 80vh;
  padding-top: 110px;
  padding-bottom: 50px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-radial-glow {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--radial-glow);
  z-index: 0;
  pointer-events: none;
}

.hero-glow-cyan {
  position: absolute;
  top: 10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 242, 255, 0.12) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-glow-pink {
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 47, 208, 0.1) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-layout {
  display: grid;
  grid-template-cols: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glow);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 10px;
  font-family: var(--font-orbitron);
  font-weight: 700;
  color: var(--neon-cyan);
  margin-bottom: 24px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--neon-cyan);
  animation: ping 1.5s infinite ease-in-out;
}

@keyframes ping {
  0% { transform: scale(0.8); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.3; }
  100% { transform: scale(0.8); opacity: 1; }
}

.hero-title {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  color: var(--text-primary);
  text-transform: uppercase;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-pills {
  display: flex;
  gap: 28px;
}

.tech-pill {
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--border-glow);
  padding-left: 14px;
}

.pill-value {
  font-size: 17px;
  font-weight: 900;
  font-family: var(--font-orbitron);
}

.pill-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 2px;
}

.hero-visual {
  z-index: 2;
  perspective: 1200px;
}

/* ------------------------------------------
   5. GLASS CARD & 3D CASINO BOARD
   ------------------------------------------ */
.visual-glass-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  width: 100%;
  overflow: hidden;
}

.card-glow-pink {
  position: absolute;
  bottom: -20%;
  left: -20%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(255, 47, 208, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.visual-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-glow);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.system-status {
  font-size: 11px;
  font-family: var(--font-orbitron);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.window-dots .dot:first-child { background: var(--neon-pink); }
.window-dots .dot:nth-child(2) { background: var(--neon-gold); }
.window-dots .dot:last-child { background: var(--neon-emerald); }

.visual-body {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 3D Poker Board Simulation */
.poker-3d-scene {
  width: 100%;
  height: 230px;
  perspective: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10px 0;
}

.poker-table-3d {
  width: 90%;
  height: 85%;
  background: radial-gradient(ellipse at center, rgba(14, 38, 25, 0.9) 0%, rgba(5, 15, 10, 0.95) 100%);
  border: 4px solid var(--accent);
  border-radius: 50% / 100px;
  transform: rotateX(28deg) rotateY(0deg) rotateZ(-2deg);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6), 
              0 0 15px var(--accent-glow), 
              inset 0 0 20px rgba(0, 0, 0, 0.8);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  transition: transform 0.5s ease, border-color 0.5s ease, background 0.5s ease;
}

.theme-cyber .poker-table-3d {
  background: radial-gradient(ellipse at center, rgba(13, 8, 32, 0.9) 0%, rgba(5, 3, 15, 0.95) 100%);
  border-color: var(--neon-cyan);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6), 
              0 0 20px rgba(0, 242, 255, 0.3), 
              inset 0 0 30px rgba(0, 242, 255, 0.15);
}

.theme-dark .poker-table-3d {
  background: radial-gradient(ellipse at center, rgba(26, 26, 30, 0.95) 0%, rgba(10, 10, 12, 0.98) 100%);
  border-color: #55555d;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6), 
              inset 0 0 20px rgba(255, 255, 255, 0.05);
}

.table-opponent-area {
  display: flex;
  gap: 8px;
  transform: scale(0.8) translateY(-10px);
}

.table-card-back {
  width: 32px;
  height: 48px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--neon-pink), var(--bg-dark));
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-classic .table-card-back {
  background: linear-gradient(135deg, #c0392b, #4a120c);
}

.theme-dark .table-card-back {
  background: linear-gradient(135deg, #444, #111);
}

.table-card-back::after {
  content: '🔒';
  font-size: 10px;
}

.table-community-area {
  display: flex;
  gap: 6px;
  z-index: 10;
}

.table-card-front {
  width: 34px;
  height: 52px;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4px;
  position: relative;
}

.card-num-suit {
  font-size: 11px;
  font-family: var(--font-orbitron);
  font-weight: 700;
  line-height: 1;
}

.card-center-suit {
  align-self: center;
  font-size: 14px;
}

.suit-red {
  color: #e74c3c;
}

.suit-black {
  color: #2c3e50;
}

.table-player-area {
  display: flex;
  gap: 8px;
  transform: scale(0.85) translateY(10px);
}

.table-pot-marker {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateZ(10px);
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 4px 12px;
  font-size: 9px;
  font-family: var(--font-orbitron);
  font-weight: 700;
  color: var(--neon-gold);
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.visual-meta {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 10px;
  font-family: var(--font-orbitron);
  font-weight: 700;
  border-top: 1px solid var(--border-glow);
  padding-top: 12px;
  margin-top: 12px;
}

.active-mode {
  color: var(--neon-cyan);
}

.dora-indicator {
  color: var(--text-secondary);
}

/* ------------------------------------------
   6. CORE SYSTEMS (FEATURES)
   ------------------------------------------ */
.features {
  padding: 60px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 36px;
}

.section-title {
  font-size: 36px;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-cols: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-cols: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .features-grid {
    grid-template-cols: repeat(4, 1fr);
  }
}

.feature-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 32px 24px;
  transition: var(--transition-elastic);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4), var(--glow-shadow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 24px;
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ------------------------------------------
   7. INTERACTIVE TRAINER SECTION
   ------------------------------------------ */
.trainer {
  padding: 60px 0;
  position: relative;
  background: rgba(6, 4, 15, 0.3);
}

.trainer-layout {
  display: grid;
  grid-template-cols: 0.32fr 0.68fr;
  gap: 20px;
  z-index: 1;
  position: relative;
}

.trainer-sidebar {
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border-glow);
  padding-bottom: 8px;
}

.sidebar-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.scenario-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.btn-scenario {
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  padding: 12px 16px;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.btn-scenario:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-scenario.active {
  background: rgba(0, 242, 255, 0.05);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.1);
}

.scenario-tag {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
}

.scenario-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.ai-suggestion-box {
  border-top: 1px solid var(--border-glow);
  padding-top: 20px;
}

.box-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.ai-tabs {
  display: flex;
  gap: 4px;
  background: rgba(0, 0, 0, 0.2);
  padding: 2px;
  border-radius: 8px;
  margin-bottom: 12px;
  border: 1px solid var(--border-glow);
}

.ai-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 9px;
  font-weight: 700;
  padding: 6px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.ai-tab-btn.active {
  background: var(--neon-cyan);
  color: var(--bg-dark-2);
  box-shadow: 0 0 5px var(--accent-glow);
}

.ai-explanation {
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.2);
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border-glow);
}

.trainer-main {
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.board-indicator-row {
  display: flex;
  gap: 16px;
  border-bottom: 1px solid var(--border-glow);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.indicator-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 2px solid var(--border-glow);
  padding-left: 12px;
}

.indicator-label {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
}

.indicator-val {
  font-size: 13px;
  font-weight: 700;
}

.hand-display-container {
  margin-bottom: 24px;
}

.hand-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.community-cards-row {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  justify-content: center;
}

.tiles-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Card item inside Trainer */
.card-cyber {
  width: 60px;
  height: 90px;
  background: #ffffff;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.25);
  cursor: pointer;
  transition: var(--transition-elastic);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px;
  position: relative;
  user-select: none;
}

.card-cyber.ai-choice {
  border: 2px solid var(--neon-cyan);
  box-shadow: 0 0 15px var(--accent-glow);
}

.card-cyber.ai-choice::after {
  content: 'AI Choice';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--neon-cyan);
  color: var(--bg-dark-2);
  font-size: 7px;
  font-family: var(--font-orbitron);
  font-weight: 900;
  padding: 1px 4px;
  border-radius: 4px;
  white-space: nowrap;
}

.card-cyber:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.3);
}

.card-cyber.active-action {
  border: 2px solid var(--neon-pink);
  box-shadow: 0 0 15px rgba(255, 47, 208, 0.4);
}

.card-cyber-back {
  width: 60px;
  height: 90px;
  background: linear-gradient(135deg, var(--neon-pink), var(--bg-dark));
  border: 2px solid var(--neon-pink);
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-cyber-back::after {
  content: '🤖';
  font-size: 18px;
}

.decision-actions-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 10px 0 24px;
}

.btn-action-choice {
  padding: 10px 24px;
  border-radius: 6px;
  font-family: var(--font-orbitron);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-smooth);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glow);
  color: var(--text-primary);
}

.btn-action-choice:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-action-choice.active {
  background: var(--neon-pink);
  border-color: var(--neon-pink);
  color: #fff;
  box-shadow: 0 0 12px rgba(255, 47, 208, 0.4);
}

.analysis-panel {
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 16px;
}

.panel-header {
  border-bottom: 1px solid var(--border-glow);
  padding-bottom: 8px;
  margin-bottom: 12px;
}

.panel-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.neutral-message {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
  padding: 10px 0;
}

.analysis-result-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.analysis-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
}

.analysis-val {
  font-weight: 700;
  font-size: 14px;
}

.best-discard-suggestion {
  font-size: 12px;
  color: var(--text-primary);
  line-height: 1.5;
  border-top: 1px solid var(--border-glow);
  padding-top: 10px;
}

/* ------------------------------------------
   8. AI ALGORITHM & MONTE CARLO SIMULATOR
   ------------------------------------------ */
.ai-tech {
  padding: 60px 0;
  position: relative;
}

.ai-tech-layout {
  display: grid;
  grid-template-cols: 0.55fr 0.45fr;
  gap: 40px;
  align-items: center;
}

.ai-tech-desc h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.ai-tech-desc p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.simulation-console {
  background: #04020a;
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  font-family: 'Share Tech Mono', ui-monospace, monospace;
}

.console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-glow);
  padding-bottom: 8px;
  margin-bottom: 12px;
  font-size: 11px;
}

.fps-counter {
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-muted);
}

.sim-stats {
  display: grid;
  grid-template-cols: repeat(3, 1fr);
  gap: 12px;
  background: rgba(255, 255, 255, 0.02);
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 12px;
  border: 1px solid var(--border-glow);
  text-align: center;
  font-size: 12px;
}

.sim-stats div span {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-top: 4px;
}

.console-log {
  height: 120px;
  overflow-y: auto;
  font-size: 10px;
  line-height: 1.5;
  color: #39ff9d;
  background: rgba(0,0,0,0.4);
  padding: 10px;
  border-radius: 6px;
  border: 1px solid rgba(57, 255, 157, 0.15);
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.console-log div {
  white-space: nowrap;
}

.console-controls {
  display: flex;
}

.btn-sim-control {
  width: 100%;
  background: rgba(57, 255, 157, 0.05);
  border: 1px solid #10b981;
  color: #39ff9d;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-sim-control:hover {
  background: #10b981;
  color: #04020a;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
}

.btn-sim-control.running {
  background: rgba(255, 47, 208, 0.05);
  border-color: var(--neon-pink);
  color: var(--neon-pink);
}

.btn-sim-control.running:hover {
  background: var(--neon-pink);
  color: #fff;
  box-shadow: 0 0 15px rgba(255, 47, 208, 0.3);
}

/* Monte Carlo Convergence Graph Visualizer */
.ai-weight-visualizer {
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.visualizer-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.visualizer-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.graph-container {
  height: 180px;
  border-left: 2px solid var(--border-glow);
  border-bottom: 2px solid var(--border-glow);
  position: relative;
  margin: 15px 0 10px 10px;
}

.graph-y-axis {
  position: absolute;
  left: -28px;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 8px;
  font-family: var(--font-orbitron);
  color: var(--text-muted);
}

.graph-x-label {
  text-align: center;
  font-size: 8px;
  font-family: var(--font-orbitron);
  color: var(--text-muted);
  margin-top: 4px;
}

.graph-canvas {
  width: 100%;
  height: 100%;
}

.graph-stats-row {
  display: flex;
  justify-content: space-between;
  margin-top: 15px;
  font-size: 10px;
  font-family: var(--font-orbitron);
}

.graph-stat-pill {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glow);
  padding: 4px 10px;
  border-radius: 12px;
}

/* ------------------------------------------
   9. PRICING SECTION (STRIPE)
   ------------------------------------------ */
.pricing {
  padding: 60px 0;
  position: relative;
}

.pricing-cards {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.price-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 40px 32px;
  width: 100%;
  max-width: 380px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
}

.price-card.premium-card {
  border-color: rgba(255, 47, 208, 0.4);
  transform: scale(1.03);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.card-glow-premium {
  position: absolute;
  top: -30%; right: -30%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 47, 208, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.card-badge {
  position: absolute;
  top: 12px; right: 16px;
  font-size: 8px;
  font-weight: 900;
  border-radius: 20px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-glow);
}

.price-card.premium-card .card-badge {
  background: rgba(255, 47, 208, 0.1);
  border-color: var(--neon-pink);
}

.card-plan-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.price {
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
}

.currency {
  font-size: 24px;
  margin-right: 4px;
}

.price-period {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-weight: 600;
}

.plan-features {
  list-style: none;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.plan-features li {
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.plan-features li i {
  font-size: 14px;
}

.btn-pricing {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 14px;
  border-radius: 8px;
  font-family: var(--font-orbitron);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-smooth);
}

.btn-cyan-outline {
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  background: transparent;
}

.btn-cyan-outline:hover {
  background: var(--neon-cyan);
  color: var(--bg-dark-2);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-pink-glow {
  background: linear-gradient(135deg, var(--neon-pink), #c0392b);
  color: #fff;
  border: 1px solid var(--neon-pink);
  box-shadow: 0 0 15px rgba(255, 47, 208, 0.3);
}

.btn-pink-glow:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(255, 47, 208, 0.6);
  background: linear-gradient(135deg, var(--neon-pink), #ff2fd0);
}

.stripe-hint {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.stripe-hint i {
  font-size: 16px;
}

/* ------------------------------------------
   10. FAQ SECTION
   ------------------------------------------ */
.faq {
  padding: 60px 0;
  position: relative;
}

.faq-list {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-cols: 1fr;
  gap: 16px;
}

@media (min-width: 992px) {
  .faq-list {
    grid-template-cols: 1fr 1fr;
    gap: 20px;
  }
}

.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-trigger {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  text-align: left;
  padding: 20px 24px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.faq-trigger:hover {
  background: rgba(255,255,255,0.02);
  color: var(--neon-cyan);
}

.faq-trigger i {
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
  background: rgba(0, 0, 0, 0.15);
}

.faq-content p {
  padding-bottom: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-item.active {
  border-color: rgba(0, 242, 255, 0.3);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.05);
}

.faq-item.active .faq-trigger {
  color: var(--neon-cyan);
}

.faq-item.active .faq-trigger i {
  transform: rotate(180deg);
  color: var(--neon-cyan);
}

.faq-item.active .faq-content {
  max-height: 300px;
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

/* ------------------------------------------
   11. FOOTER
   ------------------------------------------ */
.site-footer {
  border-top: 1px solid var(--border-glow);
  background: #04020a;
  padding: 48px 0;
  position: relative;
  z-index: 1;
}

.footer-layout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.footer-logo span {
  color: var(--neon-cyan);
}

.footer-copy {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

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

/* ------------------------------------------
   12. RESPONSIVE MEDIA QUERIES
   ------------------------------------------ */
@media (max-width: 992px) {
  .hero-layout {
    grid-template-cols: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero {
    padding-top: 120px;
    padding-bottom: 60px;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-ctas {
    justify-content: center;
  }
  
  .hero-pills {
    justify-content: center;
  }
  
  .poker-3d-scene {
    height: 200px;
  }
  
  .trainer-layout {
    grid-template-cols: 1fr;
  }
  
  .ai-tech-layout {
    grid-template-cols: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 70px;
  }
  
  .nav-menu {
    display: none; /* Mobile menu can be simple */
  }
  
  .hero-title {
    font-size: 38px;
  }
  
  .hero-pills {
    flex-wrap: wrap;
    gap: 16px;
  }
  
  .pricing-cards {
    gap: 24px;
  }
  
  .price-card.premium-card {
    transform: scale(1);
  }
  
  .footer-layout {
    flex-direction: column;
    text-align: center;
  }
}