/* ============================================================
   AI VIBE CODING — NEON DARK THEME
   Mood: Premium Cyberpunk · Glass · Neon Pink/Purple/Cyan
   ============================================================ */

:root {
  --neon-bg: #05011a;
  --neon-bg-2: #0a0520;
  --neon-bg-3: #0f0a28;
  --neon-purple: #9d4edd;
  --neon-pink: #ff007f;
  --neon-magenta: #ec4899;
  --neon-fuchsia: #d946ef;
  --neon-cyan: #22d3ee;
  --neon-blue: #3a86ff;
  --neon-violet: #7c3aed;
  --glass-bg: rgba(15, 10, 40, 0.55);
  --glass-bg-light: rgba(20, 15, 50, 0.45);
  --glass-border: rgba(157, 78, 221, 0.28);
  --glass-border-hover: rgba(255, 0, 127, 0.45);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.68);
  --text-muted: rgba(255, 255, 255, 0.45);
  --glow-pink: 0 0 20px rgba(255, 0, 127, 0.35);
  --glow-purple: 0 0 20px rgba(157, 78, 221, 0.35);
  --glow-cyan: 0 0 16px rgba(34, 211, 238, 0.3);
}

/* ---- Base ---- */
body.theme-neon {
  background-color: var(--neon-bg);
  color: var(--text-secondary);
  position: relative;
  font-feature-settings: 'kern' 1, 'liga' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.theme-neon::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 55% 45% at 8% 15%, rgba(157, 78, 221, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse 45% 40% at 92% 75%, rgba(255, 0, 127, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 50% 35% at 55% 45%, rgba(58, 134, 255, 0.08) 0%, transparent 55%),
    linear-gradient(180deg, var(--neon-bg) 0%, var(--neon-bg-2) 50%, var(--neon-bg) 100%);
  pointer-events: none;
}

body.theme-neon::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(157, 78, 221, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 78, 221, 0.5) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 70%);
}

body.theme-neon .circuit-bg {
  background: transparent;
}

body.theme-neon .circuit-dots {
  background-image: radial-gradient(rgba(157, 78, 221, 0.2) 1px, transparent 1px);
}

/* ---- Scroll progress ---- */
body.theme-neon .scroll-progress {
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
  height: 2px;
  box-shadow: var(--glow-pink);
}

/* ---- Typography overrides ---- */
body.theme-neon .text-navy {
  color: var(--text-primary) !important;
}

body.theme-neon .text-slate-400 {
  color: var(--text-muted) !important;
}

body.theme-neon .text-slate-500,
body.theme-neon .text-slate-600,
body.theme-neon .text-slate-700 {
  color: var(--text-secondary) !important;
}

body.theme-neon .text-brand-blue {
  color: var(--neon-cyan) !important;
}

body.theme-neon .text-green-600 {
  color: #4ade80 !important;
}

/* ---- Background overrides ---- */
body.theme-neon .bg-white {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

body.theme-neon .bg-slate-50 {
  background: rgba(10, 5, 32, 0.85) !important;
}

body.theme-neon .bg-slate-100 {
  background: rgba(15, 10, 40, 0.7) !important;
}

body.theme-neon .bg-slate-900 {
  background: var(--neon-bg-2) !important;
}

body.theme-neon .bg-blue-50 {
  background: rgba(58, 134, 255, 0.1) !important;
}

body.theme-neon .bg-cyan-50 {
  background: rgba(34, 211, 238, 0.08) !important;
}

body.theme-neon .bg-indigo-50 {
  background: rgba(124, 58, 237, 0.1) !important;
}

body.theme-neon .bg-green-50 {
  background: rgba(74, 222, 128, 0.08) !important;
}

body.theme-neon .bg-rose-50 {
  background: rgba(255, 0, 127, 0.08) !important;
}

body.theme-neon .bg-purple-50 {
  background: rgba(157, 78, 221, 0.1) !important;
}

body.theme-neon .bg-orange-50 {
  background: rgba(251, 146, 60, 0.08) !important;
}

body.theme-neon .bg-gradient-to-r.from-blue-50,
body.theme-neon .bg-gradient-to-br.from-blue-50,
body.theme-neon .bg-gradient-to-br.from-green-50,
body.theme-neon .bg-gradient-to-br.from-rose-50,
body.theme-neon .bg-gradient-to-br.from-blue-100 {
  background: var(--glass-bg) !important;
}

body.theme-neon .from-blue-50.to-cyan-50,
body.theme-neon .from-green-50.to-emerald-50,
body.theme-neon .from-rose-50.to-orange-50 {
  background: linear-gradient(135deg, rgba(58, 134, 255, 0.08), rgba(34, 211, 238, 0.06)) !important;
}

/* ---- Border overrides ---- */
body.theme-neon .border-slate-100,
body.theme-neon .border-slate-200 {
  border-color: var(--glass-border) !important;
}

body.theme-neon .border-blue-100 {
  border-color: rgba(58, 134, 255, 0.2) !important;
}

body.theme-neon .border-green-100 {
  border-color: rgba(74, 222, 128, 0.2) !important;
}

body.theme-neon .border-rose-100 {
  border-color: rgba(255, 0, 127, 0.2) !important;
}

body.theme-neon .border-cyan-100,
body.theme-neon .border-indigo-100,
body.theme-neon .border-purple-100,
body.theme-neon .border-orange-100 {
  border-color: var(--glass-border) !important;
}

/* ---- Icon color tints ---- */
body.theme-neon .text-blue-600 { color: var(--neon-blue) !important; }
body.theme-neon .text-cyan-600 { color: var(--neon-cyan) !important; }
body.theme-neon .text-indigo-600 { color: #818cf8 !important; }
body.theme-neon .text-green-600 { color: #4ade80 !important; }
body.theme-neon .text-rose-600 { color: var(--neon-pink) !important; }
body.theme-neon .text-purple-600 { color: var(--neon-purple) !important; }
body.theme-neon .text-orange-600 { color: #fb923c !important; }

/* ---- Buttons ---- */
.btn-neon-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  background: linear-gradient(135deg, #ff007f 0%, #ec4899 50%, #d946ef 100%);
  color: #fff !important;
  font-weight: 600;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--glow-pink), 0 4px 20px rgba(255, 0, 127, 0.25);
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-neon-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(255, 0, 127, 0.5), 0 8px 28px rgba(255, 0, 127, 0.35);
  filter: brightness(1.08);
}

.btn-neon-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  background: rgba(255, 255, 255, 0.05);
  color: #fff !important;
  font-weight: 600;
  border-radius: 9999px;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-neon-ghost:hover {
  background: rgba(157, 78, 221, 0.15);
  border-color: var(--neon-purple);
  box-shadow: var(--glow-purple);
}

body.theme-neon .bg-rose-600,
body.theme-neon .bg-rose-700 {
  background: linear-gradient(135deg, #ff007f, #be185d) !important;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--glow-pink);
}

body.theme-neon .bg-rose-600:hover,
body.theme-neon .hover\:bg-rose-700:hover {
  background: linear-gradient(135deg, #ff1a8c, #db2777) !important;
  box-shadow: 0 0 28px rgba(255, 0, 127, 0.45);
}

body.theme-neon .bg-brand-blue {
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple)) !important;
}

body.theme-neon .btn-pulse {
  animation: neonPulse 2.5s ease-out infinite;
}

@keyframes neonPulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 0, 127, 0.45), var(--glow-pink); }
  70% { box-shadow: 0 0 0 14px rgba(255, 0, 127, 0), var(--glow-pink); }
  100% { box-shadow: 0 0 0 0 rgba(255, 0, 127, 0), var(--glow-pink); }
}

/* ---- Navbar ---- */
body.theme-neon .nav-glass {
  background: rgba(5, 1, 26, 0.82);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

body.theme-neon .nav-glass.scrolled {
  background: rgba(5, 1, 26, 0.95);
  box-shadow: 0 4px 30px rgba(157, 78, 221, 0.12);
  border-bottom-color: rgba(157, 78, 221, 0.35);
}

body.theme-neon .nav-item {
  color: rgba(255, 255, 255, 0.75);
}

body.theme-neon .nav-item-icon {
  color: rgba(255, 255, 255, 0.55);
}

body.theme-neon .nav-item:hover {
  color: var(--neon-cyan);
  background: rgba(157, 78, 221, 0.12);
}

body.theme-neon .nav-item:hover .nav-item-icon {
  color: var(--neon-cyan);
  background: rgba(34, 211, 238, 0.12);
}

body.theme-neon .nav-item-underline {
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
}

body.theme-neon .nav-item-active {
  color: var(--neon-cyan);
  background: rgba(157, 78, 221, 0.15);
}

body.theme-neon .nav-item-active .nav-item-icon {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  box-shadow: var(--glow-purple);
}

body.theme-neon .nav-mobile-item {
  color: rgba(255, 255, 255, 0.8);
}

body.theme-neon .nav-mobile-icon {
  background: rgba(157, 78, 221, 0.15);
  color: var(--neon-cyan);
}

body.theme-neon .nav-mobile-item:hover {
  color: var(--neon-cyan);
  background: rgba(157, 78, 221, 0.12);
}

body.theme-neon .nav-mobile-active {
  color: var(--neon-cyan);
  background: rgba(157, 78, 221, 0.15);
}

body.theme-neon .nav-mobile-active .nav-mobile-icon {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  box-shadow: var(--glow-purple);
}

body.theme-neon .nav-mobile-badge {
  color: var(--neon-cyan);
  background: rgba(34, 211, 238, 0.12);
}

body.theme-neon #menuToggle {
  color: #fff;
}

body.theme-neon #menuToggle:hover {
  background: rgba(157, 78, 221, 0.15);
}

body.theme-neon .mobile-menu {
  background: rgba(5, 1, 26, 0.98) !important;
  border-bottom-color: var(--glass-border) !important;
}

body.theme-neon .mobile-menu .border-t {
  border-color: var(--glass-border) !important;
}

body.theme-neon .mobile-menu-overlay {
  background: rgba(5, 1, 26, 0.7);
}

/* ---- Footer ---- */
body.theme-neon .site-footer {
  background: rgba(5, 1, 26, 0.95);
  border-top: 1px solid var(--glass-border);
  position: relative;
}

body.theme-neon .site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-purple), var(--neon-pink), transparent);
  opacity: 0.6;
}

/* ---- Cards & hover ---- */
body.theme-neon .card-hover {
  border-color: var(--glass-border) !important;
}

body.theme-neon .card-hover:hover {
  border-color: var(--glass-border-hover) !important;
  box-shadow: 0 20px 40px rgba(157, 78, 221, 0.15), var(--glow-purple);
}

body.theme-neon .shadow-sm {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3) !important;
}

body.theme-neon .shadow-lg {
  box-shadow: 0 8px 32px rgba(157, 78, 221, 0.12) !important;
}

body.theme-neon .shadow-xl {
  box-shadow: 0 16px 48px rgba(255, 0, 127, 0.08) !important;
}

/* ---- Forms ---- */
body.theme-neon .form-input {
  background: rgba(15, 10, 40, 0.6);
  border-color: var(--glass-border);
  color: #fff;
}

body.theme-neon .form-input:focus {
  border-color: var(--neon-purple);
  background: rgba(15, 10, 40, 0.8);
  box-shadow: 0 0 0 3px rgba(157, 78, 221, 0.2), var(--glow-purple);
}

body.theme-neon .form-input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

/* ---- Badges / pills ---- */
body.theme-neon .badge-shimmer {
  background: linear-gradient(90deg, rgba(157, 78, 221, 0.15), rgba(255, 0, 127, 0.12), rgba(157, 78, 221, 0.15));
  color: var(--neon-cyan);
  border: 1px solid var(--glass-border);
}

body.theme-neon .inline-block.text-xs.font-semibold.text-brand-blue.bg-blue-50 {
  color: var(--neon-cyan) !important;
  background: rgba(157, 78, 221, 0.12) !important;
  border: 1px solid var(--glass-border);
}

/* ---- Gradient text ---- */
body.theme-neon .text-gradient {
  background: linear-gradient(135deg, #ff007f 0%, #d946ef 50%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body.theme-neon .text-gradient-premium,
body.theme-neon .text-gradient-red {
  background: linear-gradient(135deg, #ff007f 0%, #9d4edd 45%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- FAQ ---- */
body.theme-neon .faq-item,
body.theme-neon .premium-faq-item {
  background: var(--glass-bg) !important;
  border-color: var(--glass-border) !important;
}

body.theme-neon .faq-toggle:hover {
  background: rgba(157, 78, 221, 0.08) !important;
}

body.theme-neon .premium-faq-item.open {
  border-color: rgba(255, 0, 127, 0.35) !important;
  box-shadow: var(--glow-pink);
}

/* ---- Demo tabs ---- */
body.theme-neon .demo-tab-btn {
  background: rgba(15, 10, 40, 0.6);
  color: rgba(255, 255, 255, 0.6);
  border-color: transparent;
}

body.theme-neon .demo-tab-btn:hover {
  color: var(--neon-cyan);
  background: rgba(157, 78, 221, 0.15);
}

body.theme-neon .demo-tab-btn.active {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  box-shadow: var(--glow-purple);
}

body.theme-neon .premium-demo-tabs {
  background: rgba(15, 10, 40, 0.7);
  border: 1px solid var(--glass-border);
}

body.theme-neon .premium-demo-tabs .demo-tab-btn.active {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  box-shadow: var(--glow-purple);
}

body.theme-neon .premium-demo-wrap,
body.theme-neon .premium-demo-panel-inner {
  background: var(--glass-bg) !important;
  border-color: var(--glass-border) !important;
}

/* ---- Premium sections (homepage) ---- */
body.theme-neon .premium-eyebrow {
  color: var(--neon-cyan);
  background: rgba(157, 78, 221, 0.12);
  border-color: var(--glass-border);
}

body.theme-neon .premium-eyebrow::before {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  box-shadow: var(--glow-pink);
}

body.theme-neon .premium-title {
  color: var(--text-primary);
}

body.theme-neon .premium-subtitle {
  color: var(--text-secondary);
}

body.theme-neon .premium-section-alt {
  background: linear-gradient(180deg, rgba(10, 5, 32, 0.95) 0%, rgba(5, 1, 26, 0.98) 100%);
}

body.theme-neon .premium-trust-strip {
  background: linear-gradient(180deg, rgba(5, 1, 26, 0.98), rgba(10, 5, 32, 0.95));
  border-bottom-color: var(--glass-border);
}

body.theme-neon .premium-stats {
  background: linear-gradient(135deg, rgba(5, 1, 26, 0.98), rgba(15, 5, 40, 0.95));
}

body.theme-neon .premium-marquee {
  background: rgba(3, 0, 15, 0.98);
}

body.theme-neon .premium-marquee::before {
  background: linear-gradient(90deg, rgba(3, 0, 15, 1), transparent);
}

body.theme-neon .premium-marquee::after {
  background: linear-gradient(-90deg, rgba(3, 0, 15, 1), transparent);
}

body.theme-neon .premium-process-card,
body.theme-neon .premium-feature-card,
body.theme-neon .premium-schedule-card,
body.theme-neon .premium-audience-card {
  background: var(--glass-bg) !important;
  border-color: var(--glass-border) !important;
  backdrop-filter: blur(16px);
}

body.theme-neon .premium-process-card::before {
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
}

body.theme-neon .premium-feature-card::after {
  background: linear-gradient(135deg, transparent, rgba(255, 0, 127, 0.25), transparent);
}

body.theme-neon .premium-seats-widget {
  background: linear-gradient(165deg, rgba(20, 5, 30, 0.95), rgba(40, 10, 50, 0.9), rgba(15, 5, 35, 0.95));
  border-color: rgba(255, 0, 127, 0.2);
  box-shadow: 0 32px 64px rgba(255, 0, 127, 0.1), var(--glow-pink);
}

body.theme-neon .premium-seats-widget .premium-btn-cta {
  background: linear-gradient(135deg, #ff007f, #9d4edd);
  box-shadow: var(--glow-pink);
}

body.theme-neon .premium-cta-section {
  background: linear-gradient(135deg, rgba(5, 1, 26, 0.98), rgba(20, 5, 40, 0.95), rgba(10, 5, 30, 0.98));
}

body.theme-neon .premium-cta-btn {
  background: linear-gradient(135deg, #ff007f, #d946ef);
  box-shadow: var(--glow-pink);
}

body.theme-neon .premium-cta-section::before {
  background:
    radial-gradient(ellipse 50% 80% at 100% 50%, rgba(255, 0, 127, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 40% 60% at 0% 80%, rgba(157, 78, 221, 0.1) 0%, transparent 50%);
}

body.theme-neon .premium-section-dark {
  background: linear-gradient(165deg, rgba(5, 1, 26, 0.98) 0%, rgba(15, 5, 40, 0.95) 45%, rgba(10, 5, 35, 0.98) 100%);
}

body.theme-neon .promo-banner-section {
  background: rgba(5, 1, 26, 0.9);
}

body.theme-neon .promo-banner-link {
  border-color: var(--glass-border);
  box-shadow: 0 32px 64px rgba(157, 78, 221, 0.15);
}

/* ---- Hero slider ---- */
body.theme-neon .hero-slider-section {
  background: linear-gradient(180deg, #030010 0%, var(--neon-bg) 100%);
}

body.theme-neon .hero-slider-arrow {
  background: rgba(157, 78, 221, 0.15);
  border-color: rgba(157, 78, 221, 0.35);
}

body.theme-neon .hero-slider-arrow:hover {
  background: rgba(255, 0, 127, 0.2);
  border-color: rgba(255, 0, 127, 0.4);
  box-shadow: var(--glow-pink);
}

body.theme-neon .hero-dot.active {
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple));
  box-shadow: var(--glow-pink);
}

body.theme-neon .hero-slider-progress-bar {
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
}

body.theme-neon .hero-cta-primary {
  background: linear-gradient(135deg, #ff007f, #d946ef) !important;
  box-shadow: var(--glow-pink) !important;
}

body.theme-neon .hero-cta-secondary {
  background: rgba(157, 78, 221, 0.12) !important;
  border-color: rgba(157, 78, 221, 0.4) !important;
}

body.theme-neon .hero-mobile-cta {
  background: linear-gradient(180deg, rgba(5, 1, 26, 0.98), var(--neon-bg));
  border-top-color: var(--glass-border);
}

/* ---- Gallery ---- */
body.theme-neon .gallery-item {
  border-color: var(--glass-border) !important;
}

body.theme-neon .gallery-lightbox-backdrop {
  background: rgba(5, 1, 26, 0.95);
}

/* ---- Perk cards ---- */
body.theme-neon .perk-card:hover {
  background: rgba(157, 78, 221, 0.12) !important;
  border-color: var(--neon-purple) !important;
}

/* ---- Process flow line ---- */
body.theme-neon .process-flow-line {
  background: linear-gradient(90deg, transparent, var(--neon-pink), var(--neon-purple), var(--neon-cyan), transparent);
}

body.theme-neon .process-step-num {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  box-shadow: var(--glow-purple);
}

/* ---- LINE chat mockup ---- */
body.theme-neon .line-chat {
  box-shadow: 0 20px 40px rgba(157, 78, 221, 0.2);
}

/* ---- Page hero sections (subpages) ---- */
body.theme-neon .page-hero-glow {
  position: relative;
}

body.theme-neon .page-hero-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 300px;
  background: radial-gradient(ellipse, rgba(157, 78, 221, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* ---- Filter / portfolio buttons ---- */
body.theme-neon .filter-btn {
  background: rgba(15, 10, 40, 0.6);
  color: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--glass-border);
}

body.theme-neon .filter-btn.active,
body.theme-neon .filter-btn:hover {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-purple);
}

/* ---- Success / alert boxes ---- */
body.theme-neon .bg-green-50.text-green-700 {
  background: rgba(74, 222, 128, 0.1) !important;
  color: #4ade80 !important;
  border: 1px solid rgba(74, 222, 128, 0.25);
}

/* ---- Logo glow ---- */
.neon-logo-glow {
  box-shadow: 0 0 20px rgba(157, 78, 221, 0.4), 0 0 40px rgba(255, 0, 127, 0.15);
}

/* Site logo — VIO X AI (text only) */
.site-logo-link {
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.site-logo-link:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.site-logo {
  letter-spacing: 0.04em;
  white-space: nowrap;
  line-height: 1.2;
}

.site-logo-x {
  background: linear-gradient(135deg, #ff007f 0%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  padding: 0 0.15rem;
  letter-spacing: 0.08em;
}

body.theme-neon .neon-logo-glow {
  box-shadow: 0 0 20px rgba(157, 78, 221, 0.5), 0 0 40px rgba(255, 0, 127, 0.2);
}

/* ---- Hero visual (subpages) ---- */
body.theme-neon .hero-laptop {
  background: linear-gradient(145deg, rgba(20, 15, 50, 0.9), rgba(10, 5, 30, 0.95));
  border: 1px solid var(--glass-border);
  box-shadow: 0 25px 50px rgba(157, 78, 221, 0.2), var(--glow-purple);
}

body.theme-neon section[class*="from-blue-50"],
body.theme-neon section[class*="to-cyan-50"] {
  background: linear-gradient(135deg, rgba(10, 5, 32, 0.95), rgba(20, 8, 50, 0.9)) !important;
}

body.theme-neon .bg-gradient-to-b.from-blue-50\/50 {
  background: linear-gradient(to bottom, rgba(157, 78, 221, 0.08), transparent) !important;
}

body.theme-neon .bg-gradient-to-br.from-blue-50.to-cyan-50 {
  background: linear-gradient(135deg, rgba(58, 134, 255, 0.1), rgba(157, 78, 221, 0.08)) !important;
  border-color: var(--glass-border) !important;
}

body.theme-neon h1,
body.theme-neon h2,
body.theme-neon h3,
body.theme-neon h4 {
  color: var(--text-primary);
}

body.theme-neon .hover\:text-brand-blue:hover {
  color: var(--neon-cyan) !important;
}

body.theme-neon a.text-brand-blue {
  color: var(--neon-cyan);
}

body.theme-neon .text-yellow-400 {
  color: #fbbf24 !important;
}

body.theme-neon .hero-visual-float {
  background: var(--glass-bg);
  border-color: var(--glass-border) !important;
  backdrop-filter: blur(12px);
}

body.theme-neon .sticky.top-28 {
  top: 6rem;
}

/* Page hero — รูปคน (course, schedule) */
.page-hero-photo-wrap,
.course-hero-photo-wrap {
  position: relative;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.page-hero-photo-glow,
.course-hero-photo-glow {
  position: absolute;
  inset: 8%;
  border-radius: 1.5rem;
  background: radial-gradient(ellipse at 60% 40%, rgba(255, 0, 127, 0.2) 0%, rgba(157, 78, 221, 0.15) 40%, transparent 70%);
  filter: blur(24px);
  pointer-events: none;
  z-index: 0;
}

.page-hero-photo,
.course-hero-photo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 1.25rem;
  border: 1px solid rgba(157, 78, 221, 0.35);
  box-shadow:
    0 0 30px rgba(157, 78, 221, 0.2),
    0 24px 48px rgba(0, 0, 0, 0.35);
  object-fit: contain;
}

@media (max-width: 1023px) {
  .page-hero-photo-wrap,
  .course-hero-photo-wrap {
    max-width: 100%;
    margin-top: 1.5rem;
  }
}

/* ---- Mobile Bottom Navigation ---- */
@media (max-width: 1023px) {
  body.theme-neon {
    padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  }

  body.theme-neon.bottom-sheet-open {
    overflow: hidden;
    touch-action: none;
  }
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(5, 1, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--glass-border);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
}

.bottom-nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-purple), var(--neon-pink), transparent);
  opacity: 0.6;
}

.bottom-nav-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  max-width: 480px;
  margin: 0 auto;
  padding: 0.35rem 0.5rem 0.5rem;
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.35rem 0.25rem;
  min-height: 52px;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav-item:active {
  transform: scale(0.94);
}

.bottom-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 0.5rem;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.bottom-nav-label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.1;
  white-space: nowrap;
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
  color: var(--neon-cyan);
}

.bottom-nav-item.active .bottom-nav-icon {
  background: rgba(34, 211, 238, 0.12);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.25);
}

/* Center CTA */
.bottom-nav-cta {
  margin-top: -1.25rem;
}

.bottom-nav-cta-ring {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  box-shadow:
    0 0 20px rgba(255, 0, 127, 0.45),
    0 4px 16px rgba(0, 0, 0, 0.35);
  border: 2px solid rgba(255, 255, 255, 0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bottom-nav-cta.active .bottom-nav-cta-ring,
.bottom-nav-cta:hover .bottom-nav-cta-ring {
  box-shadow:
    0 0 28px rgba(255, 0, 127, 0.6),
    0 4px 20px rgba(157, 78, 221, 0.4);
  transform: scale(1.05);
}

.bottom-nav-cta .bottom-nav-label {
  color: var(--neon-pink);
  margin-top: 0.15rem;
}

.bottom-nav-cta.active .bottom-nav-label {
  color: var(--neon-cyan);
}

/* More sheet */
.bottom-nav-sheet {
  position: fixed;
  inset: 0;
  z-index: 55;
  pointer-events: none;
  visibility: hidden;
}

.bottom-nav-sheet.open {
  pointer-events: auto;
  visibility: visible;
}

.bottom-nav-sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 1, 26, 0.65);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.bottom-nav-sheet.open .bottom-nav-sheet-backdrop {
  opacity: 1;
}

.bottom-nav-sheet-panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  background: rgba(12, 4, 35, 0.98);
  border-top: 1px solid var(--glass-border);
  border-radius: 1.25rem 1.25rem 0 0;
  padding: 0.75rem 1rem 1.25rem;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.5);
}

.bottom-nav-sheet.open .bottom-nav-sheet-panel {
  transform: translateY(0);
}

.bottom-nav-sheet-handle {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 auto 0.75rem;
}

.bottom-nav-sheet-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0.75rem;
  text-align: center;
}

.bottom-nav-sheet-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.bottom-nav-sheet-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: 0.875rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(157, 78, 221, 0.2);
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.bottom-nav-sheet-item:hover,
.bottom-nav-sheet-item.active {
  background: rgba(157, 78, 221, 0.15);
  border-color: rgba(157, 78, 221, 0.45);
  color: var(--neon-cyan);
}

.bottom-nav-sheet-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 0.625rem;
  background: rgba(157, 78, 221, 0.12);
  color: var(--neon-purple);
  flex-shrink: 0;
}

.bottom-nav-sheet-item.active .bottom-nav-sheet-icon {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  box-shadow: var(--glow-purple);
}

/* ---- About / Instructor page (v2) ---- */
@keyframes aboutOrbitSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes aboutOrbitCounter {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

@keyframes aboutFloatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes aboutGlowPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes aboutExpPop {
  from { opacity: 0; transform: scale(0.92) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes aboutExpItemIn {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes aboutQuoteBorder {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes aboutTrustPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(34, 211, 238, 0); }
}

.instructor-eyebrow,
.instructor-eyebrow-glow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neon-cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.instructor-eyebrow-glow {
  animation: aboutGlowPulse 3s ease-in-out infinite;
}

.about-hero-grid-bg {
  background-image:
    linear-gradient(rgba(157, 78, 221, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 78, 221, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}

.about-hero-glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.about-hero-glow-orb-1 {
  width: 320px;
  height: 320px;
  top: 10%;
  left: -5%;
  background: rgba(255, 0, 127, 0.15);
}

.about-hero-glow-orb-2 {
  width: 280px;
  height: 280px;
  bottom: 5%;
  right: -5%;
  background: rgba(34, 211, 238, 0.12);
}

.about-hero-name {
  background: linear-gradient(135deg, #fff 30%, var(--neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-role-cards {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.about-role-card {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  border-radius: 0.75rem;
  background: rgba(15, 10, 40, 0.5);
  border: 1px solid rgba(157, 78, 221, 0.2);
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.about-role-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(157, 78, 221, 0.15);
}

.about-role-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.2), rgba(157, 78, 221, 0.2));
  color: var(--neon-cyan);
  flex-shrink: 0;
}

.about-mini-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.65rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(157, 78, 221, 0.2);
  padding: 0.35rem 0.65rem;
  border-radius: 9999px;
}

.about-hero-ghost-btn {
  border: 1px solid rgba(157, 78, 221, 0.4);
  color: rgba(255, 255, 255, 0.8);
}

.about-hero-ghost-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(34, 211, 238, 0.06);
}

/* Orbit visual */
.about-hero-visual {
  position: relative;
}

.about-orbit-wrap {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(157, 78, 221, 0.25);
  pointer-events: none;
}

.about-orbit-ring-1 {
  width: 88%;
  height: 88%;
  animation: aboutOrbitSpin 30s linear infinite;
}

.about-orbit-ring-2 {
  width: 72%;
  height: 72%;
  border-color: rgba(34, 211, 238, 0.2);
  animation: aboutOrbitCounter 24s linear infinite;
}

.about-orbit-ring-3 {
  width: 100%;
  height: 100%;
  border: none;
  background: radial-gradient(circle, rgba(157, 78, 221, 0.08) 0%, transparent 65%);
}

.about-orbit-icon {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 1, 26, 0.9);
  border: 1px solid rgba(157, 78, 221, 0.4);
  color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(157, 78, 221, 0.2);
  animation: aboutOrbitCounter 20s linear infinite;
  z-index: 2;
}

.about-orbit-cyan { color: var(--neon-cyan); border-color: rgba(34, 211, 238, 0.4); }
.about-orbit-pink { color: var(--neon-pink); border-color: rgba(255, 0, 127, 0.4); }
.about-orbit-purple { color: var(--neon-purple); border-color: rgba(157, 78, 221, 0.5); }

.about-orbit-icon-1 { top: 2%; left: 50%; margin-left: -18px; }
.about-orbit-icon-2 { top: 18%; right: 4%; }
.about-orbit-icon-3 { top: 50%; right: -2%; margin-top: -18px; }
.about-orbit-icon-4 { bottom: 18%; right: 6%; }
.about-orbit-icon-5 { bottom: 2%; left: 50%; margin-left: -18px; }
.about-orbit-icon-6 { bottom: 18%; left: 4%; }
.about-orbit-icon-7 { top: 50%; left: -2%; margin-top: -18px; }
.about-orbit-icon-8 { top: 18%; left: 6%; }

.about-hero-photo-frame {
  position: relative;
  z-index: 1;
  width: 62%;
  border-radius: 1.25rem;
  overflow: hidden;
}

.about-hero-photo-frame .page-hero-photo-wrap {
  max-width: 100%;
  margin: 0;
}

.about-hero-badge-float {
  position: absolute;
  bottom: 12%;
  right: 8%;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border-radius: 9999px;
  background: rgba(5, 1, 26, 0.92);
  border: 1px solid rgba(255, 0, 127, 0.35);
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 0 20px rgba(255, 0, 127, 0.25);
  animation: aboutFloatBadge 3s ease-in-out infinite;
}

/* Trust strip */
.about-trust-strip {
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.about-trust-icon-pulse {
  animation: aboutTrustPulse 2.5s ease-in-out infinite;
}

.about-marquee-item {
  gap: 0.5rem;
  font-weight: 600;
}

.about-marquee-item i {
  color: var(--neon-cyan);
}

/* Bio tabs */
.about-bio-wrap {
  background: rgba(15, 10, 40, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  padding: 1.25rem;
  overflow: hidden;
}

.about-bio-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(157, 78, 221, 0.15);
}

.about-bio-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}

.about-bio-tab:hover {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(157, 78, 221, 0.25);
}

.about-bio-tab.active {
  color: #fff;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  border-color: transparent;
  box-shadow: var(--glow-purple);
}

.about-bio-panel {
  display: none;
  animation: aboutExpPop 0.4s ease;
}

.about-bio-panel.active {
  display: block;
}

.about-bio-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
}

.about-bio-icon-big {
  width: 100px;
  height: 100px;
  border-radius: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.15), rgba(157, 78, 221, 0.15));
  border: 1px solid rgba(157, 78, 221, 0.35);
  color: var(--neon-cyan);
  box-shadow: 0 0 30px rgba(157, 78, 221, 0.2);
  position: relative;
  z-index: 1;
}

.about-bio-deco-dots {
  position: absolute;
  inset: 10%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 2px, transparent 2px);
  background-size: 16px 16px;
  opacity: 0.5;
}

.about-highlight-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--neon-cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  padding: 0.4rem 0.75rem;
  border-radius: 9999px;
}

/* Platform bento */
.about-platform-bento {
  background: rgba(5, 1, 26, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 1.25rem;
  padding: 1.5rem;
}

.about-platform-bento-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.about-platform-bento-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  box-shadow: var(--glow-purple);
}

.about-platform-bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}

@media (min-width: 640px) {
  .about-platform-bento-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.about-platform-bento-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.1rem 0.75rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(157, 78, 221, 0.15);
  text-align: center;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  cursor: default;
}

.about-platform-bento-item:hover {
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 8px 24px rgba(157, 78, 221, 0.12);
}

.about-platform-bento-num {
  position: absolute;
  top: 0.5rem;
  right: 0.6rem;
  font-size: 0.55rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.15);
}

.about-platform-bento-item-icon {
  color: var(--neon-cyan);
}

.about-platform-bento-name {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.8);
}

/* Expertise filters & bento */
.about-exp-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.about-exp-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(15, 10, 40, 0.6);
  border: 1px solid rgba(157, 78, 221, 0.2);
  cursor: pointer;
  transition: all 0.25s ease;
}

.about-exp-filter:hover {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(157, 78, 221, 0.4);
}

.about-exp-filter.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.3), rgba(157, 78, 221, 0.3));
  border-color: rgba(255, 0, 127, 0.4);
  box-shadow: 0 0 16px rgba(255, 0, 127, 0.2);
}

.about-exp-bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .about-exp-bento {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .about-exp-bento {
    grid-template-columns: repeat(4, 1fr);
  }
}

.about-exp-bento-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.25rem 1rem;
  border-radius: 1rem;
  background: rgba(15, 10, 40, 0.55);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease;
  cursor: default;
}

.about-exp-bento-card.hidden-filter {
  display: none;
}

.about-exp-bento-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.08), rgba(157, 78, 221, 0.08));
  border-color: rgba(255, 0, 127, 0.25);
}

@media (max-width: 639px) {
  .about-exp-bento-card.featured {
    grid-column: span 2;
  }
}

.about-exp-bento-glow {
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.about-exp-bento-card:hover .about-exp-bento-glow {
  opacity: 1;
}

.about-exp-bento-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 0.875rem;
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.12), rgba(157, 78, 221, 0.12));
  border: 1px solid rgba(157, 78, 221, 0.25);
  color: var(--neon-cyan);
}

.about-exp-bento-card.featured .about-exp-bento-icon {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  box-shadow: var(--glow-purple);
}

.about-exp-bento-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.4;
  flex-grow: 1;
}

.about-exp-bento-arrow {
  align-self: flex-end;
  color: rgba(255, 255, 255, 0.2);
  transition: color 0.2s ease, transform 0.2s ease;
}

.about-exp-bento-card:hover .about-exp-bento-arrow {
  color: var(--neon-cyan);
  transform: translate(2px, -2px);
}

/* Experience role tabs */
.about-exp-role-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.about-exp-role-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  border-radius: 1rem;
  background: rgba(15, 10, 40, 0.5);
  border: 1px solid rgba(157, 78, 221, 0.2);
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}

.about-exp-role-tab:hover {
  border-color: rgba(157, 78, 221, 0.4);
}

.about-exp-role-tab.active {
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.12), rgba(157, 78, 221, 0.12));
  border-color: rgba(255, 0, 127, 0.35);
  box-shadow: 0 0 24px rgba(157, 78, 221, 0.15);
}

.about-exp-role-tab-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(157, 78, 221, 0.15);
  color: var(--neon-cyan);
}

.about-exp-role-tab.active .about-exp-role-tab-icon {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  box-shadow: var(--glow-purple);
}

.about-exp-role-tab-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.35;
}

.about-exp-role-tab.active .about-exp-role-tab-label {
  color: #fff;
}

.about-exp-role-panel {
  display: none;
}

.about-exp-role-panel.active {
  display: block;
  animation: aboutExpPop 0.4s ease;
}

.about-exp-role-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(157, 78, 221, 0.15);
}

.about-exp-role-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 0.875rem;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  box-shadow: var(--glow-purple);
  flex-shrink: 0;
}

.about-exp-role-grid {
  display: grid;
  gap: 0.65rem;
}

@media (min-width: 640px) {
  .about-exp-role-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.about-exp-role-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(157, 78, 221, 0.12);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.75);
  animation: aboutExpItemIn 0.45s ease var(--delay, 0ms) forwards;
  opacity: 0;
}

.about-exp-role-panel.active .about-exp-role-item {
  opacity: 1;
}

.about-exp-role-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 0.5rem;
  background: rgba(157, 78, 221, 0.12);
  color: var(--neon-cyan);
  flex-shrink: 0;
}

/* Education scroll */
.about-edu-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 200px;
  background: radial-gradient(ellipse, rgba(157, 78, 221, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.about-edu-scroll-wrap {
  position: relative;
}

.about-edu-scroll {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding: 0.5rem 0.25rem 1rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(157, 78, 221, 0.4) transparent;
}

.about-edu-scroll::-webkit-scrollbar {
  height: 4px;
}

.about-edu-scroll::-webkit-scrollbar-thumb {
  background: rgba(157, 78, 221, 0.4);
  border-radius: 2px;
}

.about-edu-card {
  flex: 0 0 260px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  border-radius: 1.25rem;
  background: rgba(15, 10, 40, 0.6);
  border: 1px solid var(--glass-border);
  min-height: 200px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.about-edu-card:hover {
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 12px 32px rgba(157, 78, 221, 0.12);
}

.about-edu-phd {
  border-color: rgba(255, 0, 127, 0.35);
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.06), rgba(157, 78, 221, 0.06));
}

.about-edu-phd .about-edu-card-icon {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  box-shadow: var(--glow-purple);
}

.about-edu-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.about-edu-level-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--neon-cyan);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
}

.about-edu-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 0.75rem;
  background: rgba(157, 78, 221, 0.15);
  color: var(--neon-cyan);
}

.about-edu-scroll-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 0.75rem;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.3);
}

@media (min-width: 1024px) {
  .about-edu-scroll-hint {
    display: none;
  }
}

/* Philosophy quote */
.about-quote-wrap {
  position: relative;
  max-width: 52rem;
  margin: 0 auto;
  padding: 2rem;
}

.about-quote-orbit {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 1, 26, 0.9);
  border: 1px solid rgba(157, 78, 221, 0.3);
  color: var(--neon-cyan);
  animation: aboutFloatBadge 4s ease-in-out infinite;
}

.about-quote-orbit-1 { top: 5%; left: 8%; animation-delay: 0s; }
.about-quote-orbit-2 { top: 10%; right: 10%; animation-delay: 1s; color: var(--neon-pink); }
.about-quote-orbit-3 { bottom: 15%; left: 12%; animation-delay: 2s; }
.about-quote-orbit-4 { bottom: 8%; right: 8%; animation-delay: 0.5s; color: var(--neon-purple); }

.about-quote-block {
  position: relative;
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: 1.5rem;
  background: rgba(15, 10, 40, 0.7);
  border: 1px solid rgba(157, 78, 221, 0.3);
  overflow: hidden;
}

.about-quote-block::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan), var(--neon-pink));
  background-size: 300% 300%;
  animation: aboutQuoteBorder 6s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.about-quote-icon-ring {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  color: #fff;
  margin-bottom: 1rem;
  box-shadow: var(--glow-purple);
}

.about-quote-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--neon-cyan);
  margin-bottom: 1.25rem;
}

.about-quote-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 1rem;
}

.about-quote-text-th {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(157, 78, 221, 0.2);
}

.about-quote-author {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(157, 78, 221, 0.2);
}

.about-quote-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.2), rgba(157, 78, 221, 0.2));
  color: var(--neon-cyan);
}

/* Value cards */
.about-value-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border-radius: 1.25rem;
  background: rgba(15, 10, 40, 0.55);
  border: 1px solid var(--glass-border);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.about-value-card:hover {
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: 0 12px 32px rgba(157, 78, 221, 0.1);
}

.about-value-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.15), rgba(157, 78, 221, 0.15));
  border: 1px solid rgba(157, 78, 221, 0.3);
  color: var(--neon-cyan);
  margin-bottom: 1rem;
}

.about-value-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--neon-cyan);
  transition: gap 0.2s ease;
}

.about-value-link:hover {
  gap: 0.5rem;
}

/* Location */
.about-location-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: 1.5rem;
  background: rgba(15, 10, 40, 0.6);
  border: 1px solid var(--glass-border);
}

.about-location-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 1.25rem;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(157, 78, 221, 0.12));
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: var(--neon-cyan);
  margin-bottom: 1.25rem;
}

.about-location-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.about-location-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.35rem 0.7rem;
  border-radius: 9999px;
}

.about-location-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-location-facilities {
  display: grid;
  gap: 0.65rem;
}

.about-location-facilities li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
  padding: 0.65rem 0.85rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(157, 78, 221, 0.1);
}

.about-facility-icon {
  color: #4ade80;
}

.about-map-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  border-radius: 1rem;
  background: rgba(5, 1, 26, 0.5);
  border: 1px dashed rgba(157, 78, 221, 0.25);
  text-align: center;
}

/* Tilt card base */
.about-tilt-card {
  will-change: transform;
  transition: box-shadow 0.25s ease;
}

@media (prefers-reduced-motion: reduce) {
  .about-orbit-ring-1,
  .about-orbit-ring-2,
  .about-orbit-icon,
  .about-hero-badge-float,
  .about-quote-orbit,
  .about-trust-icon-pulse,
  .instructor-eyebrow-glow {
    animation: none;
  }
}

@media (max-width: 639px) {
  .about-hero-name {
    font-size: 1.75rem;
  }

  .about-orbit-wrap {
    max-width: 300px;
    margin-top: 1rem;
  }

  .about-orbit-icon {
    width: 30px;
    height: 30px;
  }

  .about-exp-role-tab-label {
    font-size: 0.58rem;
  }

  .about-quote-block {
    padding: 2rem 1.25rem;
  }

  .about-quote-text {
    font-size: 0.95rem;
  }

  .about-quote-orbit {
    display: none;
  }
}