/* ═══════════════════════════════════════════════
   星穹 · STELLAR VAULT — Design System
   Based on DESIGN.md token specification
   ═══════════════════════════════════════════════ */

/* ─── Fonts ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ─── CSS Custom Properties (Design Tokens) ─── */
:root {
  /* Void / Cosmos */
  --void-deep: #050510;
  --void-mid: #0a0a1a;
  --void-surface: #0f0f23;
  --void-card: #141428;
  --void-elevated: #1a1a35;

  /* Primary (Nebula Purple) */
  --primary-50: #f3e8ff;
  --primary-100: #e2d1ff;
  --primary-200: #c9a9ff;
  --primary-300: #a78bfa;
  --primary-400: #8b5cf6;
  --primary-500: #7c3aed;
  --primary-600: #6d28d9;

  /* Cyan (Cosmic Glow) */
  --cyan-50: #ecfeff;
  --cyan-100: #cffafe;
  --cyan-200: #a5f3fc;
  --cyan-300: #67e8f9;
  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;
  --cyan-600: #0891b2;

  /* Gold (Supernova) */
  --gold-300: #fcd34d;
  --gold-400: #fbbf24;
  --gold-500: #f59e0b;

  /* Emerald (Aurora) */
  --emerald-300: #6ee7b7;
  --emerald-400: #34d399;
  --emerald-500: #10b981;

  /* Rose (Andromeda) */
  --rose-300: #fda4af;
  --rose-400: #fb7185;

  /* Stardust (Neutral) */
  --stardust-100: #f1f5f9;
  --stardust-200: #e2e8f0;
  --stardust-300: #cbd5e1;
  --stardust-400: #94a3b8;
  --stardust-500: #64748b;
  --stardust-600: #475569;
  --stardust-700: #334155;
  --stardust-800: #1e293b;
  --stardust-900: #0f172a;

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;

  /* Fonts */
  --font-display: 'Orbitron', 'Space Grotesk', system-ui, sans-serif;
  --font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-section: 120px;

  /* Container */
  --container-max: 1280px;
  --container-narrow: 800px;

  /* Rounded */
  --rounded-sm: 4px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-2xl: 20px;
  --rounded-3xl: 24px;
  --rounded-full: 9999px;
  --rounded-card: 16px;
  --rounded-button: 8px;

  /* Glows */
  --glow-primary-sm: 0 0 12px rgba(139, 92, 246, 0.25), 0 0 24px rgba(139, 92, 246, 0.1);
  --glow-primary-md: 0 0 20px rgba(139, 92, 246, 0.3), 0 0 40px rgba(139, 92, 246, 0.15);
  --glow-primary-lg: 0 0 40px rgba(139, 92, 246, 0.35), 0 0 80px rgba(139, 92, 246, 0.15);
  --glow-cyan-sm: 0 0 12px rgba(34, 211, 238, 0.25), 0 0 24px rgba(34, 211, 238, 0.1);
  --glow-cyan-md: 0 0 20px rgba(34, 211, 238, 0.3), 0 0 40px rgba(34, 211, 238, 0.15);
  --glow-gold-sm: 0 0 12px rgba(251, 191, 36, 0.2), 0 0 24px rgba(251, 191, 36, 0.08);

  /* Glass */
  --glass-bg: rgba(26, 26, 53, 0.6);
  --glass-blur: blur(20px) saturate(1.5);
  --glass-heavy: blur(40px) saturate(2);
  --glass-border: 1px solid rgba(255, 255, 255, 0.06);

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.5);

  /* Animation */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-stellar: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-gentle: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  /* Z-index */
  --z-base: 0;
  --z-above: 10;
  --z-nav: 100;
  --z-modal: 500;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--void-deep);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-400); text-decoration: none; transition: color var(--duration-fast); }
a:hover { color: var(--cyan-400); }

img { max-width: 100%; height: auto; display: block; }

/* ─── Typography ────────────────────────────── */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
}
.h2, h2 {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  line-height: 1.25;
}
.h3, h3 {
  font-family: var(--font-sans);
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
}
.h4, h4 {
  font-family: var(--font-sans);
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  font-weight: 600;
  line-height: 1.4;
}
.body-lg { font-size: 1.125rem; line-height: 1.75; }
.body-md { font-size: 0.9375rem; line-height: 1.65; }
.body-sm { font-size: 0.875rem; line-height: 1.6; }
.body-xs { font-size: 0.8125rem; line-height: 1.5; }
.label-lg {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.label-md {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.mono-sm {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}
.mono-xs {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ─── Navigation ────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: rgba(10, 10, 26, 0.7);
  backdrop-filter: blur(16px) saturate(1.8);
  -webkit-backdrop-filter: blur(16px) saturate(1.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  height: 64px;
  transition: background var(--duration-slow);
}
.nav.scrolled {
  background: rgba(10, 10, 26, 0.92);
}
.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--primary-300), var(--cyan-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  gap: var(--space-1);
  list-style: none;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stardust-300);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--rounded-md);
  transition: all var(--duration-normal);
  cursor: pointer;
  background: none;
  border: none;
}
.nav-link:hover {
  color: var(--primary-300);
  background: rgba(139, 92, 246, 0.08);
}
.nav-link.active {
  color: var(--cyan-400);
  background: rgba(34, 211, 238, 0.06);
  box-shadow: var(--glow-cyan-sm);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-2);
}

/* ─── Hero ──────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--void-deep);
}
#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 60%;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(139, 92, 246, 0.12) 0%, rgba(34, 211, 238, 0.04) 50%, transparent 100%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 var(--space-8);
  max-width: var(--container-narrow);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--rounded-full);
  margin-bottom: var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary-300);
}
.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan-400);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan-400);
  animation: pulse-glow 3s ease-in-out infinite;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  text-shadow: 0 0 40px rgba(139, 92, 246, 0.3), 0 0 80px rgba(139, 92, 246, 0.1);
}
.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--primary-300), var(--cyan-400), var(--gold-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--stardust-400);
  max-width: 600px;
  margin: 0 auto var(--space-10);
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--stardust-500);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: float 6s ease-in-out infinite;
  z-index: 2;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--stardust-500), transparent);
}

/* ─── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--rounded-button);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-spring);
  text-decoration: none;
}
.btn-primary {
  background: var(--primary-500);
  color: white;
  box-shadow: var(--glow-primary-sm);
}
.btn-primary:hover {
  background: var(--primary-400);
  box-shadow: var(--glow-primary-md);
  transform: translateY(-2px);
  color: white;
}
.btn-secondary {
  background: transparent;
  color: var(--cyan-400);
  border: 1px solid rgba(34, 211, 238, 0.3);
  box-shadow: var(--glow-cyan-sm);
}
.btn-secondary:hover {
  background: rgba(34, 211, 238, 0.08);
  border-color: var(--cyan-400);
  box-shadow: var(--glow-cyan-md);
  transform: translateY(-2px);
  color: var(--cyan-400);
}
.btn-ghost {
  background: transparent;
  color: var(--stardust-300);
  border: none;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

/* ─── Glass Card ────────────────────────────── */
.glass-card {
  background: rgba(26, 26, 53, 0.6);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--rounded-card);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition: all var(--duration-slow) var(--ease-gentle);
}
.glass-card:hover {
  background: rgba(26, 26, 53, 0.75);
  border-color: rgba(139, 92, 246, 0.2);
  box-shadow: var(--shadow-card-hover), 0 0 60px rgba(139, 92, 246, 0.05);
  transform: translateY(-4px);
}
.glass-card.accent-cyan {
  border-top: 2px solid var(--cyan-400);
  box-shadow: var(--shadow-card), var(--glow-cyan-sm);
}
.glass-card.accent-gold {
  border-top: 2px solid var(--gold-400);
  box-shadow: var(--shadow-card), var(--glow-gold-sm);
}
.glass-card.accent-primary {
  border-top: 2px solid var(--primary-400);
  box-shadow: var(--shadow-card), var(--glow-primary-sm);
}
.glass-card.accent-emerald {
  border-top: 2px solid var(--emerald-400);
  box-shadow: var(--shadow-card), 0 0 12px rgba(52, 211, 153, 0.2);
}

/* ─── Sections ──────────────────────────────── */
.section {
  padding: var(--space-section) 0;
  position: relative;
}
.section-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
}
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}
.section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-400);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.section-desc {
  color: var(--stardust-400);
  max-width: 600px;
  margin: 0 auto;
  font-size: 0.9375rem;
  line-height: 1.65;
}
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.2), rgba(34, 211, 238, 0.2), transparent);
  max-width: var(--container-max);
  margin: 0 auto;
}

/* ─── Stats ─────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.stat-card {
  position: relative;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--duration-slow);
  overflow: hidden;
}
.stat-card:hover {
  border-color: rgba(34, 211, 238, 0.15);
  box-shadow: var(--glow-cyan-sm), 0 0 80px rgba(34, 211, 238, 0.03);
  transform: translateY(-4px);
}
.stat-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140px;
  height: 140px;
  opacity: 0.12;
  pointer-events: none;
}
.stat-ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.stat-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.04);
  stroke-width: 3;
}
.stat-ring-progress {
  fill: none;
  stroke: var(--primary-400);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 326.7;
  stroke-dashoffset: 326.7;
  transition: stroke-dashoffset 2s var(--ease-stellar);
}
.stat-card.visible .stat-ring-progress {
  stroke-dashoffset: calc(326.7 - (326.7 * var(--progress)) / 100);
}
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--cyan-400), var(--primary-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}
.stat-number::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80px;
  height: 80px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(139, 92, 246, 0.08), transparent);
  border-radius: 50%;
  pointer-events: none;
}
.stat-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stardust-400);
  position: relative;
  z-index: 1;
  margin-top: var(--space-1);
}
.stat-sub {
  font-size: 0.6875rem;
  color: var(--stardust-500);
  font-family: var(--font-mono);
  margin-top: var(--space-2);
  position: relative;
  z-index: 1;
}

/* ─── Gallery ───────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}
.gallery-item {
  position: relative;
  border-radius: var(--rounded-card);
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--duration-slow) var(--ease-gentle);
  cursor: pointer;
}
.gallery-item:hover {
  transform: scale(1.02);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: var(--glow-primary-sm);
}
.gallery-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}
.gallery-fallback .gradient-bg {
  position: absolute;
  inset: 0;
  opacity: 0.8;
}
.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  background: linear-gradient(to top, rgba(5, 5, 16, 0.9), transparent);
}
.gallery-overlay h4 {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}
.gallery-overlay p {
  font-size: 0.8125rem;
  color: var(--stardust-400);
}

/* ─── Database Table ────────────────────────── */
.db-search {
  margin-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}
.db-search-input {
  width: 100%;
  max-width: 500px;
  padding: var(--space-3) var(--space-5);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--rounded-full);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  outline: none;
  transition: all var(--duration-normal);
  text-align: center;
}
.db-search-input:focus {
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15), var(--glow-primary-sm);
  background: rgba(139, 92, 246, 0.04);
}
.db-search-input::placeholder {
  color: var(--stardust-600);
  text-align: center;
}
.db-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}
.db-tag {
  padding: var(--space-1) var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--rounded-full);
  color: var(--stardust-400);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--duration-fast);
}
.db-tag:hover {
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.2);
  color: var(--primary-300);
}
.db-tag.active {
  background: rgba(139, 92, 246, 0.12);
  border-color: var(--primary-400);
  color: var(--primary-200);
  box-shadow: var(--glow-primary-sm);
}
.database-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  perspective: 1200px;
}
.db-card {
  position: relative;
  border-radius: var(--rounded-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  cursor: default;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  transform-style: preserve-3d;
  transition: border-color var(--duration-slow), box-shadow var(--duration-slow);
}
.db-card:hover {
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: var(--glow-primary-sm), 0 0 80px rgba(139, 92, 246, 0.04);
}
.db-card.hidden {
  display: none;
}
.db-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s var(--ease-gentle);
  z-index: 0;
}
.db-card:hover .db-card-bg {
  transform: scale(1.08);
}
/* Default label — always visible */
.db-card-label {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--space-4) var(--space-5) var(--space-5);
  background: linear-gradient(0deg, rgba(5,5,16,0.92) 0%, rgba(5,5,16,0.3) 70%, transparent 100%);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  pointer-events: none;
}
.db-card-icon {
  font-size: 1.75rem;
  line-height: 1;
  filter: drop-shadow(0 0 8px rgba(0,0,0,0.5));
}
.db-card-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-shadow: 0 0 20px rgba(0,0,0,0.8);
}
/* Hover overlay — slides up */
.db-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: flex-end;
  padding: var(--space-6);
  background: linear-gradient(0deg, rgba(5,5,16,0.92) 0%, rgba(5,5,16,0.4) 50%, transparent 100%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-gentle);
}
.db-card:hover .db-card-overlay {
  opacity: 1;
  pointer-events: auto;
}
.db-card-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  transform: translateY(20px);
  transition: transform 0.4s var(--ease-spring);
}
.db-card:hover .db-card-content {
  transform: translateY(0);
}
.db-card-content p {
  color: var(--stardust-200);
  font-size: 0.875rem;
  line-height: 1.6;
  text-shadow: 0 0 12px rgba(0,0,0,0.8);
}
.db-stat {
  display: flex;
  gap: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.db-stat-item {
  text-align: center;
  flex: 1;
}
.db-stat-item .value {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--cyan-400);
  text-shadow: 0 0 12px rgba(34, 211, 238, 0.3);
}
.db-stat-item .label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--stardust-500);
  margin-top: 2px;
}
.db-bar {
  position: relative;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
}
.db-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary-400), var(--cyan-400));
  transition: width 1.5s var(--ease-stellar);
  position: relative;
}
.db-bar-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: -2px;
  width: 8px;
  height: 8px;
  background: var(--cyan-400);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan-400);
}
.db-bar-label {
  position: absolute;
  right: 0;
  top: -18px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--stardust-500);
}

/* ─── Timeline ──────────────────────────────── */
.timeline {
  position: relative;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding-left: var(--space-10);
}
.timeline-line {
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(139, 92, 246, 0.2);
}
.timeline-item {
  position: relative;
  padding-bottom: var(--space-12);
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-gentle);
}
.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}
.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-10) + 9px);
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-400);
  border: 3px solid var(--void-surface);
  box-shadow: var(--glow-primary-sm);
  z-index: 1;
  transition: all var(--duration-normal);
}
.timeline-item:hover .timeline-dot {
  background: var(--cyan-400);
  box-shadow: var(--glow-cyan-md);
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--primary-400);
  margin-bottom: var(--space-1);
}
.timeline-content h4 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.timeline-content p {
  color: var(--stardust-400);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ─── Star Map ──────────────────────────────── */
.starmap-section {
  background: var(--void-deep);
}
.starmap-container {
  position: relative;
  width: 100%;
  min-height: 500px;
  border-radius: var(--rounded-2xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--glow-primary-sm);
}
.starmap-container canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.starmap-overlay {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}
.starmap-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--stardust-500);
  background: rgba(5, 5, 16, 0.7);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--rounded-md);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: auto;
}
.starmap-constellation-label {
  position: absolute;
  pointer-events: none;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  text-shadow: 0 0 10px rgba(34, 211, 238, 0.3);
}

/* ─── Blog ──────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}
.blog-card {
  padding: var(--space-6);
  border-radius: var(--rounded-card);
  background: rgba(15, 15, 35, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--duration-slow);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.blog-card:hover {
  border-color: rgba(251, 113, 133, 0.2);
  box-shadow: 0 0 30px rgba(251, 113, 133, 0.05);
  transform: translateY(-4px);
}
.blog-meta {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--stardust-500);
}
.blog-tag {
  display: inline-block;
  background: rgba(251, 113, 133, 0.1);
  color: var(--rose-300);
  padding: 2px var(--space-2);
  border-radius: var(--rounded-sm);
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  font-weight: 500;
}
.blog-card h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.4;
}
.blog-card p {
  color: var(--stardust-400);
  font-size: 0.875rem;
  line-height: 1.6;
  flex: 1;
}
.blog-read-more {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--rose-300);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--duration-fast);
}
.blog-read-more:hover {
  gap: var(--space-2);
  color: var(--rose-200);
}

/* ─── About ─────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.tech-badge {
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.15);
  color: var(--primary-300);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--rounded-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  transition: all var(--duration-fast);
}
.tech-badge:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--primary-400);
  box-shadow: var(--glow-primary-sm);
}

/* ─── Footer ────────────────────────────────── */
.footer {
  background: var(--void-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding: var(--space-16) var(--space-8) var(--space-8);
}
.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}
.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, var(--primary-300), var(--cyan-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-brand p {
  color: var(--stardust-500);
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 300px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stardust-300);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-col a {
  color: var(--stardust-500);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color var(--duration-fast);
}
.footer-col a:hover {
  color: var(--primary-400);
}
.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: var(--space-8);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--stardust-600);
}
.footer-socials {
  display: flex;
  gap: var(--space-3);
}
.footer-social {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
  color: var(--stardust-400);
  font-size: 0.875rem;
  transition: all var(--duration-fast);
  text-decoration: none;
}
.footer-social:hover {
  background: rgba(139, 92, 246, 0.15);
  color: var(--primary-300);
  box-shadow: var(--glow-primary-sm);
}

/* ─── Animations ────────────────────────────── */
@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}
@keyframes twinkle {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scale-in {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}
.animate-fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-gentle), transform 0.8s var(--ease-gentle);
}
.animate-fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-scale-in {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.6s var(--ease-spring), transform 0.6s var(--ease-spring);
}
.animate-scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* ─── Responsive ────────────────────────────── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .database-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 26, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-4);
    gap: var(--space-1);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--duration-slow);
    pointer-events: none;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link { padding: var(--space-3) var(--space-4); font-size: 0.8125rem; }
  .nav-toggle { display: block; }
  .section { padding: var(--space-16) 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .stat-card { padding: var(--space-6) var(--space-4); }
  .gallery-grid { grid-template-columns: 1fr; }
  .database-cards { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-title { font-size: clamp(2rem, 10vw, 3rem); }
  .hero-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero-content { padding: 0 var(--space-4); }
}

/* ─── Reduced Motion ────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}