@font-face { font-family: 'Rajdhani'; font-weight: 400; font-style: normal; font-display: swap; src: url('../fonts/rajdhani-400.woff2') format('woff2'); }
@font-face { font-family: 'Rajdhani'; font-weight: 500; font-style: normal; font-display: swap; src: url('../fonts/rajdhani-500.woff2') format('woff2'); }
@font-face { font-family: 'Rajdhani'; font-weight: 600; font-style: normal; font-display: swap; src: url('../fonts/rajdhani-600.woff2') format('woff2'); }
@font-face { font-family: 'Rajdhani'; font-weight: 700; font-style: normal; font-display: swap; src: url('../fonts/rajdhani-700.woff2') format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 400; font-style: normal; font-display: swap; src: url('../fonts/barlow-400.woff2') format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 500; font-style: normal; font-display: swap; src: url('../fonts/barlow-500.woff2') format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 600; font-style: normal; font-display: swap; src: url('../fonts/barlow-600.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-weight: 400; font-style: normal; font-display: swap; src: url('../fonts/jetbrains-mono-400.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-weight: 500; font-style: normal; font-display: swap; src: url('../fonts/jetbrains-mono-500.woff2') format('woff2'); }

:root {
  --bg-deep: #060818;
  --bg-section: #0a0d2a;
  --bg-card: #0f1338;
  --bg-elevated: #161b45;
  --border-subtle: rgba(106, 140, 255, 0.12);
  --border-glow: rgba(111, 181, 255, 0.25);
  --cosmic-bright: #3a7be8;
  --cosmic-glow: #6fb5ff;
  --cosmic-pale: #a8d4ff;
  --accent-green: #34d399;
  --accent-amber: #fbbf24;
  --text-primary: #e8eaed;
  --text-secondary: #9aa3b4;
  --text-muted: #5f6b7a;
  --font-display: 'Rajdhani', system-ui, sans-serif;
  --font-body: 'Barlow', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { text-wrap: pretty; }
p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(6, 8, 24, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-icon {
  font-size: 22px;
  color: var(--cosmic-glow);
  margin-top: -5px;
}
.brand-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.5px;
}
.brand-accent { color: var(--cosmic-glow); }
.header-nav { display: flex; gap: 8px; }
.nav-link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  color: var(--text-secondary);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

/* Hero */
.family-hero {
  padding: 140px 32px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.family-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 30%, rgba(58, 123, 232, 0.08), transparent);
  pointer-events: none;
}
.family-hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}
.family-hero .hero-symbol {
  font-size: 64px;
  display: block;
  margin-bottom: 16px;
  opacity: 0.7;
}
.family-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
}
.family-hero .hero-lede {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.family-hero .hero-meta {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.hero-meta-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--cosmic-glow);
}
.hero-meta-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Showcase section */
.showcase {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 80px;
}
.showcase-intro {
  text-align: center;
  margin-bottom: 64px;
}
.showcase-intro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  margin-bottom: 12px;
}
.showcase-intro p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Pair: code + board side by side, alternating */
.showcase-pair {
  display: flex;
  align-items: stretch;
  gap: 32px;
  margin-bottom: 80px;
  min-height: 480px;
}
.showcase-pair:last-child {
  margin-bottom: 0;
}
.showcase-pair:nth-child(even) {
  flex-direction: row-reverse;
}

.showcase-code {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.showcase-code h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.showcase-code h3 .rules-link {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-glow);
  color: var(--cosmic-pale);
  transition: background 0.15s, border-color 0.15s;
}
.showcase-code h3 .rules-link:hover {
  background: rgba(111, 181, 255, 0.08);
  border-color: var(--cosmic-glow);
}
.showcase-code .showcase-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.6;
}
.showcase-code pre {
  flex: 1;
  background: #0d1020;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 20px 24px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: #b0ada8;
  position: relative;
}
.showcase-code pre::before {
  content: 'frontmatter';
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-body);
}

.showcase-board {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.showcase-board iframe,
.showcase-board img {
  flex: 1;
  width: 100%;
  min-height: 440px;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  background: var(--bg-card);
  object-fit: contain;
  padding: 16px;
}
.showcase-board .board-caption {
  margin-top: 12px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* CTA section */
.family-cta {
  text-align: center;
  padding: 64px 32px 96px;
}
.family-cta h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.family-cta p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: 8px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}
.btn--primary {
  background: var(--cosmic-bright);
  color: #fff;
}
.btn--primary:hover {
  background: #4a8af0;
  box-shadow: 0 4px 20px rgba(58, 123, 232, 0.3);
}
.btn--ghost {
  background: transparent;
  border: 1px solid var(--border-glow);
  color: var(--cosmic-pale);
}
.btn--ghost:hover {
  background: rgba(111, 181, 255, 0.08);
  border-color: var(--cosmic-glow);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 48px 32px 32px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col:nth-child(2) { align-items: center; text-align: center; }
.footer-col:nth-child(3) { align-items: flex-end; text-align: right; }
.footer-heading {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--cosmic-glow); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-muted);
}
.footer-version { color: var(--text-muted); }

/* Responsive */
@media (max-width: 900px) {
  .showcase-pair,
  .showcase-pair:nth-child(even) {
    flex-direction: column;
  }
  .showcase-board iframe {
    min-height: 380px;
  }
}
@media (max-width: 768px) {
  .header-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: rgba(6, 8, 24, 0.95); padding: 16px; border-bottom: 1px solid var(--border-subtle); }
  .header-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .family-hero { padding: 120px 20px 60px; }
  .showcase { padding: 0 20px 60px; }
  .showcase-pair { gap: 24px; margin-bottom: 60px; }
  .footer-columns { grid-template-columns: 1fr; gap: 24px; }
  .footer-col,
  .footer-col:nth-child(2),
  .footer-col:nth-child(3) { align-items: center; text-align: center; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero-meta { gap: 20px; }
}