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

:root {
  
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1e1e2d;
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.07);
  --bg-code: #0d0d14;
  --bg-demo: #13131b;

  
  --text-primary: #eaeaf0;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --text-bright: #ffffff;

  
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);
  --border-active: rgba(255, 255, 255, 0.22);

  
  --accent: #667eea;
  --accent-2: #764ba2;
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--accent-2));

  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;

  
  --sp-1: 0.25rem; --sp-2: 0.5rem; --sp-3: 0.75rem; --sp-4: 1rem;
  --sp-5: 1.25rem; --sp-6: 1.5rem; --sp-8: 2rem; --sp-10: 2.5rem;
  --sp-12: 3rem; --sp-16: 4rem; --sp-20: 5rem; --sp-24: 6rem;

  
  --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 24px; --r-full: 9999px;

  
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 60px rgba(102,126,234,0.12);

  
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 150ms var(--ease-out);
  --t-base: 280ms var(--ease-out);
  --t-slow: 450ms var(--ease-out);

  
  --lib-color: #667eea;
  --lib-color-dim: rgba(102, 126, 234, 0.15);
}

.lib-react { --lib-color: #61DAFB; --lib-color-dim: rgba(97,218,251,0.12); }
.lib-vue { --lib-color: #42b883; --lib-color-dim: rgba(66,184,131,0.12); }
.lib-angular { --lib-color: #DD0031; --lib-color-dim: rgba(221,0,49,0.12); }
.lib-svelte { --lib-color: #FF3E00; --lib-color-dim: rgba(255,62,0,0.12); }
.lib-bootstrap { --lib-color: #7952B3; --lib-color-dim: rgba(121,82,179,0.12); }
.lib-tailwind { --lib-color: #06B6D4; --lib-color-dim: rgba(6,182,212,0.12); }
.lib-bulma { --lib-color: #00D1B2; --lib-color-dim: rgba(0,209,178,0.12); }
.lib-materialize { --lib-color: #EE6E73; --lib-color-dim: rgba(238,110,115,0.12); }
.lib-semantic { --lib-color: #35BDB2; --lib-color-dim: rgba(53,189,178,0.12); }
.lib-foundation { --lib-color: #1779BA; --lib-color-dim: rgba(23,121,186,0.12); }
.lib-ember { --lib-color: #E04E39; --lib-color-dim: rgba(224,78,57,0.12); }
.lib-backbone { --lib-color: #0071B5; --lib-color-dim: rgba(0,113,181,0.12); }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font: inherit; border: none; background: none; color: inherit; }

html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

h1, h2, h3, h4, h5, h6 {
  color: var(--text-bright);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { color: var(--text-secondary); }
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lib-gradient-text {
  background: linear-gradient(135deg, var(--lib-color), color-mix(in srgb, var(--lib-color), white 30%));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--sp-6); }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 var(--sp-6); }
.section { padding: var(--sp-20) 0; }
.section-sm { padding: var(--sp-12) 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.mb-1 { margin-bottom: var(--sp-4); }
.mb-2 { margin-bottom: var(--sp-8); }
.mb-3 { margin-bottom: var(--sp-12); }
.mb-4 { margin-bottom: var(--sp-16); }
.mt-1 { margin-top: var(--sp-4); }
.mt-2 { margin-top: var(--sp-8); }

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10, 10, 15, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--t-base), box-shadow var(--t-base);
}
.nav.scrolled {
  background: rgba(10, 10, 15, 0.92);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-inner {
  max-width: 1400px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--sp-6);
  height: 64px;
}
.nav-brand {
  display: flex; align-items: center; gap: var(--sp-3);
  font-weight: 700; font-size: 1.1rem; color: var(--text-bright);
}
.nav-brand-icon {
  width: 32px; height: 32px;
  background: var(--gradient-accent);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: white;
  font-family: var(--font-mono);
}
.nav-links {
  display: flex; align-items: center; gap: var(--sp-1);
}
.nav-links a {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text-bright); background: var(--bg-glass-hover); }
.nav-links a.active { color: var(--lib-color, var(--accent)); background: var(--lib-color-dim, rgba(102,126,234,0.1)); }
.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  padding: var(--sp-2);
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.hero {
  min-height: 92vh;
  display: flex; align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(102,126,234,0.08), transparent),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(118,75,162,0.06), transparent),
    radial-gradient(ellipse 50% 40% at 10% 90%, rgba(102,126,234,0.04), transparent);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero-subtitle {
  font-size: 0.95rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: var(--sp-4);
}
.hero-title { margin-bottom: var(--sp-6); }
.hero-desc {
  font-size: 1.15rem; color: var(--text-secondary);
  max-width: 640px; margin-bottom: var(--sp-10);
  line-height: 1.8;
}

.lib-hero {
  min-height: 60vh;
  padding-top: 130px;
  padding-bottom: var(--sp-16);
  position: relative;
  overflow: hidden;
}
.lib-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, var(--lib-color-dim), transparent);
  pointer-events: none;
}
.lib-hero-icon {
  width: 80px; height: 80px;
  border-radius: var(--r-lg);
  background: var(--lib-color-dim);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; margin-bottom: var(--sp-6);
}
.lib-hero-icon img, .lib-hero-icon svg {
  width: 48px; height: 48px;
}
.lib-meta {
  display: flex; flex-wrap: wrap; gap: var(--sp-4);
  margin-top: var(--sp-6);
}
.lib-meta-item {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: 0.85rem; color: var(--text-muted);
}
.lib-meta-item strong { color: var(--text-secondary); }
.lib-hero-links {
  display: flex; gap: var(--sp-4);
  margin-top: var(--sp-8);
}

.stats-bar {
  padding: var(--sp-10) 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  text-align: center;
}
.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: var(--sp-1); }

.section-header { margin-bottom: var(--sp-12); }
.section-label {
  font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--lib-color, var(--accent));
  margin-bottom: var(--sp-3);
}
.section-title { margin-bottom: var(--sp-4); }
.section-desc { font-size: 1.05rem; max-width: 600px; }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto; }

.lib-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--sp-6);
}
.lib-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base), background var(--t-base);
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.lib-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lib-color), transparent);
  opacity: 0;
  transition: opacity var(--t-base);
}
.lib-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  background: var(--bg-card-hover);
}
.lib-card:hover::before { opacity: 1; }
.lib-card-header {
  display: flex; align-items: center; gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}
.lib-card-icon {
  width: 48px; height: 48px; min-width: 48px;
  border-radius: var(--r-md);
  background: var(--lib-color-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.lib-card-name { font-size: 1.15rem; font-weight: 700; }
.lib-card-type {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--lib-color);
  font-weight: 600;
}
.lib-card-desc {
  font-size: 0.9rem; color: var(--text-secondary);
  line-height: 1.7; flex: 1;
  margin-bottom: var(--sp-5);
}
.lib-card-tags {
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}
.lib-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
}
.lib-card-link {
  font-size: 0.85rem; font-weight: 600;
  color: var(--lib-color);
  display: flex; align-items: center; gap: var(--sp-2);
  transition: gap var(--t-fast);
}
.lib-card-link:hover { gap: var(--sp-3); }

.tag {
  display: inline-flex; align-items: center;
  padding: var(--sp-1) var(--sp-3);
  font-size: 0.72rem; font-weight: 600;
  border-radius: var(--r-full);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}
.tag-framework { color: var(--accent); border-color: rgba(102,126,234,0.2); background: rgba(102,126,234,0.08); }
.tag-library { color: #f59e0b; border-color: rgba(245,158,11,0.2); background: rgba(245,158,11,0.08); }
.tag-css { color: #10b981; border-color: rgba(16,185,129,0.2); background: rgba(16,185,129,0.08); }
.tag-popular { color: #ef4444; border-color: rgba(239,68,68,0.2); background: rgba(239,68,68,0.08); }

.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-size: 0.9rem; font-weight: 600;
  border-radius: var(--r-md);
  transition: all var(--t-fast);
  cursor: pointer;
}
.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(102,126,234,0.25);
}
.btn-primary:hover {
  box-shadow: 0 6px 25px rgba(102,126,234,0.35);
  transform: translateY(-2px);
}
.btn-secondary {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-glass-hover);
}
.btn-lib {
  background: var(--lib-color) !important;
  color: #fff !important;
  box-shadow: 0 4px 15px color-mix(in srgb, var(--lib-color) 30%, transparent) !important;
  padding: 0.75rem 1.5rem !important;
  border-radius: 10px !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  display: inline-block !important;
  border: none !important;
}
.btn-lib:hover {
  box-shadow: 0 6px 25px color-mix(in srgb, var(--lib-color) 40%, transparent) !important;
  transform: translateY(-2px) !important;
}
.btn-ghost {
  background: rgba(255,255,255,0.05) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-secondary) !important;
  padding: 0.75rem 1.5rem !important;
  border-radius: 10px !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  display: inline-block !important;
}
.btn-ghost:hover {
  border-color: var(--lib-color) !important;
  color: var(--lib-color) !important;
}
.btn-sm { padding: var(--sp-2) var(--sp-4); font-size: 0.8rem; }

.demo-section { margin-bottom: var(--sp-12); }
.demo-title {
  font-size: 1.15rem; font-weight: 700;
  margin-bottom: var(--sp-2);
}
.demo-desc {
  font-size: 0.9rem; color: var(--text-secondary);
  margin-bottom: var(--sp-6);
}
.demo-container {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-card);
}
.demo-preview {
  padding: var(--sp-8);
  background: var(--bg-demo);
  border-bottom: 1px solid var(--border);
  min-height: 120px;
}
.demo-preview-light {
  background: #ffffff;
  color: #333;
}
.demo-code-wrapper {
  position: relative;
}
.demo-code-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--sp-5);
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid var(--border);
}
.demo-code-lang {
  font-size: 0.75rem; font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.demo-code-copy {
  font-size: 0.75rem; font-weight: 500;
  color: var(--text-muted);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  transition: all var(--t-fast);
}
.demo-code-copy:hover { color: var(--text-primary); border-color: var(--border-hover); }
.demo-code-copy.copied { color: #10b981; border-color: #10b981; }
.demo-code {
  padding: var(--sp-5);
  overflow-x: auto;
  background: var(--bg-code);
}
.demo-code pre {
  margin: 0; padding: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-secondary);
}
.demo-code code { font-family: var(--font-mono); }

.demo-preview input[type="text"],
.demo-preview input[type="email"],
.demo-preview input[type="password"],
.demo-preview input[type="number"],
.demo-preview input:not([type]),
.demo-preview textarea,
.demo-preview select {
  background: rgba(255,255,255,0.06) !important;
  border: 1px solid rgba(255,255,255,0.15) !important;
  color: #eaeaf0 !important;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
}
.demo-preview input:focus,
.demo-preview textarea:focus,
.demo-preview select:focus {
  outline: none;
  border-color: var(--lib-color, var(--accent)) !important;
}
.demo-preview input::placeholder,
.demo-preview textarea::placeholder { color: #606070 !important; }
.demo-preview label { color: #eaeaf0; }
.demo-preview h3, .demo-preview h4, .demo-preview h5 { color: #eaeaf0 !important; }
.demo-preview p { color: #a0a0b0; }
.demo-preview strong { color: #eaeaf0; }
.demo-preview button:not(.demo-code-copy) {
  cursor: pointer;
}

.demo-preview [style*="background: white"],
.demo-preview [style*="background-color: white"],
.demo-preview [style*="background:#fff"],
.demo-preview [style*="background: #fff"] {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(255,255,255,0.1) !important;
  color: #a0a0b0 !important;
}

.demo-preview .card,
.demo-preview .demo-box,
.demo-preview .result-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: #a0a0b0;
}

.demo-tabs {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.2);
}
.demo-tab {
  padding: var(--sp-3) var(--sp-5);
  font-size: 0.8rem; font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: all var(--t-fast);
}
.demo-tab:hover { color: var(--text-secondary); }
.demo-tab.active {
  color: var(--lib-color, var(--accent));
  border-bottom-color: var(--lib-color, var(--accent));
}
.demo-tab-content { display: none; }
.demo-tab-content.active { display: block; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-6);
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  transition: border-color var(--t-base);
}
.feature-card:hover { border-color: var(--border-hover); }
.feature-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: var(--lib-color-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: var(--sp-5);
}
.feature-title { font-size: 1rem; margin-bottom: var(--sp-2); }
.feature-desc { font-size: 0.88rem; color: var(--text-secondary); }

.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
}
.pros-card, .cons-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
}
.pros-card { border-top: 3px solid #10b981; }
.cons-card { border-top: 3px solid #ef4444; }
.pros-card h4 { color: #10b981; margin-bottom: var(--sp-4); }
.cons-card h4 { color: #ef4444; margin-bottom: var(--sp-4); }
.pros-card li, .cons-card li {
  font-size: 0.88rem; color: var(--text-secondary);
  padding: var(--sp-2) 0;
  padding-left: var(--sp-6);
  position: relative;
}
.pros-card li::before {
  content: '✓'; position: absolute; left: 0;
  color: #10b981; font-weight: 700;
}
.cons-card li::before {
  content: '✗'; position: absolute; left: 0;
  color: #ef4444; font-weight: 700;
}

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
}
.comparison-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.85rem;
}
.comparison-table th, .comparison-table td {
  padding: var(--sp-4) var(--sp-5);
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.comparison-table th {
  background: var(--bg-secondary);
  font-weight: 600; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted);
  position: sticky; top: 0;
}
.comparison-table td { background: var(--bg-card); }
.comparison-table tr:hover td { background: var(--bg-card-hover); }
.comparison-table .check { color: #10b981; }
.comparison-table .cross { color: #ef4444; }
.comparison-table .lib-name {
  font-weight: 600; color: var(--text-bright);
  display: flex; align-items: center; gap: var(--sp-2);
}

.use-case-list { list-style: none; }
.use-case-item {
  display: flex; gap: var(--sp-4);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border);
}
.use-case-item:last-child { border-bottom: none; }
.use-case-icon {
  width: 28px; height: 28px; min-width: 28px;
  background: var(--lib-color-dim);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  margin-top: 2px;
}
.use-case-text { font-size: 0.9rem; color: var(--text-secondary); }
.use-case-text strong { color: var(--text-primary); }

.footer {
  padding: var(--sp-12) 0;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: var(--sp-4);
}
.footer-text { font-size: 0.85rem; color: var(--text-muted); }
.footer-links { display: flex; gap: var(--sp-6); }
.footer-links a {
  font-size: 0.85rem; color: var(--text-muted);
  transition: color var(--t-fast);
}
.footer-links a:hover { color: var(--text-primary); }

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-on-scroll:nth-child(2) { transition-delay: 80ms; }
.animate-on-scroll:nth-child(3) { transition-delay: 160ms; }
.animate-on-scroll:nth-child(4) { transition-delay: 240ms; }
.animate-on-scroll:nth-child(5) { transition-delay: 320ms; }
.animate-on-scroll:nth-child(6) { transition-delay: 400ms; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px var(--lib-color-dim); }
  50% { box-shadow: 0 0 40px var(--lib-color-dim), 0 0 60px var(--lib-color-dim); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer-bg {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
  background-size: 200% 100%;
  animation: shimmer 3s infinite;
}

code:not(pre code) {
  font-family: var(--font-mono);
  font-size: 0.82em;
  padding: 2px 6px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--lib-color, var(--accent));
}

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
}
.chart-title {
  font-size: 1rem; font-weight: 600;
  margin-bottom: var(--sp-6);
  color: var(--text-bright);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(20px);
    padding: var(--sp-6);
    gap: var(--sp-1);
    transform: translateX(100%);
    transition: transform var(--t-slow);
    overflow-y: auto;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .nav-links a {
    padding: var(--sp-3) var(--sp-4);
    font-size: 1rem;
    border-radius: var(--r-md);
  }

  .hero { min-height: 80vh; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .pros-cons { grid-template-columns: 1fr; }
  .lib-cards-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  html { font-size: 14px; }
  .container, .container-wide { padding: 0 var(--sp-4); }
  .hero { min-height: 70vh; padding-top: 80px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .lib-hero { min-height: 50vh; }
  .demo-preview { padding: var(--sp-4); }
}

body {
  font-family: var(--font-sans) !important;
  background: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  line-height: 1.7 !important;
  margin: 0 !important;
  padding: 0 !important;
}

body > nav.nav,
nav.nav {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 1000 !important;
  background: rgba(10, 10, 15, 0.75) !important;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  border-bottom: 1px solid var(--border) !important;
  height: auto !important;
  line-height: normal !important;
  box-shadow: none !important;
  display: block !important;
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  color: var(--text-primary) !important;
}
nav.nav.scrolled {
  background: rgba(10, 10, 15, 0.92) !important;
  box-shadow: 0 4px 30px rgba(0,0,0,0.4) !important;
}
nav.nav .nav-inner {
  max-width: 1400px !important;
  margin: 0 auto !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0.75rem 1.5rem !important;
  height: 64px !important;
}
nav.nav .nav-brand {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  font-weight: 700 !important;
  font-size: 1.1rem !important;
  color: var(--text-bright) !important;
  text-decoration: none !important;
  background: none !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
}
nav.nav .nav-brand-icon {
  width: 32px !important;
  height: 32px !important;
  font-size: 0.85rem !important;
  border-radius: 6px !important;
}
nav.nav .nav-links {
  display: flex !important;
  align-items: center !important;
  gap: 0.25rem !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
}
nav.nav .nav-links a {
  padding: 0.5rem 0.75rem !important;
  border-radius: 6px !important;
  font-size: 0.85rem !important;
  font-weight: 500 !important;
  color: var(--text-secondary) !important;
  text-decoration: none !important;
  background: none !important;
  border: none !important;
  display: inline-block !important;
  line-height: normal !important;
  box-shadow: none !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  transition: color 150ms ease, background 150ms ease !important;
  white-space: nowrap !important;
}
nav.nav .nav-links a:hover {
  color: var(--text-bright) !important;
  background: var(--bg-glass-hover) !important;
}
nav.nav .nav-links a.active {
  color: var(--lib-color, var(--accent)) !important;
  background: var(--lib-color-dim, rgba(102,126,234,0.1)) !important;
}
nav.nav .nav-toggle {
  display: none !important;
  flex-direction: column !important;
  gap: 5px !important;
  padding: 0.5rem !important;
  background: none !important;
  border: none !important;
}
nav.nav .nav-toggle span {
  display: block !important;
  width: 22px !important;
  height: 2px !important;
  background: var(--text-primary) !important;
  border-radius: 2px !important;
}

body {
  font-family: var(--font-sans) !important;
  font-size: 16px !important;
  line-height: 1.7 !important;
  color: var(--text-primary) !important;
  background: var(--bg-primary) !important;
  -webkit-font-smoothing: antialiased !important;
}

p, li, span, a, div, label, td, th, dt, dd {
  font-family: var(--font-sans) !important;
}
code, pre, kbd, samp, .demo-code, .demo-code * {
  font-family: var(--font-mono) !important;
}

body > .container,
body > section .container,
body > footer .container,
.lib-hero .container,
.hero .container,
section .container {
  max-width: 1200px !important;
  padding-left: 1.5rem !important;
  padding-right: 1.5rem !important;
}

section.lib-hero,
body > .hero {
  padding-top: 130px !important;
}
.demo-preview-light .hero,
.demo-preview-light .hero-body {
  padding-top: revert !important;
}

.footer {
  background: var(--bg-secondary) !important;
  border-top: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
}

.hero h1, .lib-hero h1, .section-title, .hero-title,
h1, h2, h3, h4, h5, h6 {
  color: var(--text-bright) !important;
  font-family: var(--font-sans) !important;
  letter-spacing: -0.02em !important;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem) !important; font-weight: 800 !important; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem) !important; font-weight: 700 !important; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem) !important; font-weight: 700 !important; }
h4 { font-size: 1.15rem !important; font-weight: 700 !important; }
p { font-size: 1rem !important; line-height: 1.7 !important; }
.hero-desc, .section-desc, .hero-subtitle {
  color: var(--text-secondary) !important;
}
.hero-subtitle, .section-label {
  color: var(--accent) !important;
  font-size: 0.8rem !important;
  letter-spacing: 0.15em !important;
}

.demo-preview-light,
.demo-preview-light * {
  font-family: revert !important;
  letter-spacing: revert !important;
}

.material-icons,
i.material-icons,
.fa, .fas, .far, .fab, .fa-solid, .fa-regular, .fa-brands,
[class*="fa-"] {
  font-family: inherit !important;
}
.demo-preview-light .material-icons,
.demo-preview-light i.material-icons {
  font-family: 'Material Icons' !important;
}
.demo-preview-light .fa,
.demo-preview-light .fas,
.demo-preview-light .far,
.demo-preview-light .fab,
.demo-preview-light .fa-solid,
.demo-preview-light .fa-regular,
.demo-preview-light .fa-brands,
.demo-preview-light [class*="fa-"] {
  font-family: 'Font Awesome 6 Free', 'Font Awesome 6 Brands' !important;
}
.demo-preview-light {
  background: #ffffff !important;
  color: #333 !important;
  padding: 20px;
  border-radius: 8px;
}
.demo-preview-light h1,
.demo-preview-light h2,
.demo-preview-light h3,
.demo-preview-light h4,
.demo-preview-light h5,
.demo-preview-light h6 {
  color: #1a1a1a !important;
}
.demo-preview-light p,
.demo-preview-light span,
.demo-preview-light div,
.demo-preview-light li,
.demo-preview-light td,
.demo-preview-light th {
  color: inherit !important;
}
.demo-preview-light a:not(.btn):not(.button):not([class*="btn-"]):not([class*="nav"]) {
  color: #2185d0 !important;
}

.demo-preview-light input[type],
.demo-preview-light input.form-control,
.demo-preview-light select.form-select,
.demo-preview-light textarea.form-control,
.demo-preview-light .form-floating > .form-control,
.demo-preview-light .form-floating > input {
  color: #212529 !important;
  background-color: #fff !important;
  border-color: #ced4da !important;
  -webkit-text-fill-color: #212529 !important;
}
.demo-preview-light input::placeholder,
.demo-preview-light .form-control::placeholder {
  color: #6c757d !important;
  -webkit-text-fill-color: #6c757d !important;
}
.demo-preview-light label,
.demo-preview-light .form-label,
.demo-preview-light .form-check-label,
.demo-preview-light .form-floating > label {
  color: #212529 !important;
}

.demo-preview-light .btn,
.demo-preview-light .btn-primary,
.demo-preview-light .btn-secondary,
.demo-preview-light .button,
.demo-preview-light [class*="btn-"] {
  background: revert !important;
  color: revert !important;
  box-shadow: revert !important;
  border: revert !important;
  transform: revert !important;
  padding: revert !important;
  font-size: revert !important;
  font-weight: revert !important;
  border-radius: revert !important;
  transition: revert !important;
  display: revert !important;
}

.demo-preview-light nav,
.demo-preview-light nav *,
.demo-preview-light .navbar,
.demo-preview-light .navbar *,
.demo-preview-light .nav-link,
.demo-preview-light .navbar-brand,
.demo-preview-light .navbar-toggler,
.demo-preview-light .navbar-nav,
.demo-preview-light .nav-item {
  color: revert !important;
  font-family: revert !important;
  font-size: revert !important;
  font-weight: revert !important;
  background: revert !important;
  padding: revert !important;
  border: revert !important;
  display: revert !important;
}

.demo-preview h3 { font-size: 1.1rem !important; }
.demo-preview h4 { font-size: 1rem !important; }
.demo-preview p { font-size: 0.9rem !important; }

#toast-container, #toast-container *,
.toast, .toast *,
.modal, .modal *,
.modal-overlay,
.dropdown-content, .dropdown-content *,
.sidenav, .sidenav *,
.sidenav-overlay,
.material-tooltip, .material-tooltip *,
.ui.modal, .ui.modal *,
.ui.dimmer, .ui.dimmer *,
.ui.popup, .ui.popup *,
.reveal, .reveal *,
.off-canvas, .off-canvas *,

.modal, .modal *,
.modal-dialog, .modal-dialog *,
.modal-content, .modal-content *,
.modal-backdrop,
.offcanvas, .offcanvas *,
.offcanvas-backdrop,
.popover, .popover *,
.tooltip, .tooltip *,
.dropdown-menu, .dropdown-menu * {
  font-family: revert !important;
  color: revert !important;
  font-size: revert !important;
  font-weight: revert !important;
  line-height: revert !important;
  letter-spacing: revert !important;
}

body.modal-open {
  overflow: hidden !important;
  padding-right: revert !important;
}

@media (max-width: 768px) {
  nav.nav .nav-links {
    position: fixed !important;
    top: 64px !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    flex-direction: column !important;
    background: rgba(10, 10, 15, 0.97) !important;
    backdrop-filter: blur(20px) !important;
    padding: 1.5rem !important;
    gap: 0.25rem !important;
    transform: translateX(100%) !important;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1) !important;
    overflow-y: auto !important;
    z-index: 999 !important;
  }
  nav.nav .nav-links.open {
    transform: translateX(0) !important;
  }
  nav.nav .nav-toggle {
    display: flex !important;
  }
  nav.nav .nav-links a {
    padding: 0.75rem 1rem !important;
    font-size: 1rem !important;
    border-radius: 10px !important;
    width: 100% !important;
  }
}