/* ZeroClaw landing — brand: electric blue + silver on dark */
:root {
  --bg: #0a0e14;
  --bg-elevated: #111820;
  --bg-card: #161d28;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-silver: #a8b5c4;
  --accent: #00b8ff;
  --accent-dim: rgba(0, 184, 255, 0.15);
  --accent-hover: #38c8ff;
  --border: #1e293b;
  --border-subtle: #1a2332;
  --star: #f0c14b;
  --radius: 10px;
  --radius-sm: 6px;
  --font: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --header-h: 64px;
  --tap-min: 44px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--bg);
  z-index: 100;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0.75rem;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
@media (max-width: 480px) {
  .wrap { padding: 0 1rem; }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #000;
  border-bottom: 1px solid var(--border-subtle);
}
.site-header .wrap,
.site-header .header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  padding-left: max(1.25rem, env(safe-area-inset-left));
  padding-right: max(1.25rem, env(safe-area-inset-right));
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}
.logo:hover { opacity: 0.9; }
.logo-img {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
}
@media (max-width: 480px) {
  .logo-img { width: 40px; height: 40px; }
}

.nav-toggle {
  display: none;
  width: var(--tap-min);
  height: var(--tap-min);
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}
.nav-toggle:hover { background: var(--bg-card); color: var(--accent); }
.nav-toggle-bar,
.nav-toggle::before,
.nav-toggle::after {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 2px;
  margin-left: -10px;
  background: currentColor;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle-bar {
  display: block;
  margin-top: -1px;
}
.nav-toggle::before {
  content: '';
  margin-top: -6px;
}
.nav-toggle::after {
  content: '';
  margin-top: 4px;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { opacity: 0; }
.nav-toggle[aria-expanded="true"]::before {
  transform: rotate(45deg);
  margin-top: -1px;
}
.nav-toggle[aria-expanded="true"]::after {
  transform: rotate(-45deg);
  margin-top: -1px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.5rem;
}
.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.5rem 0.5rem;
  border-radius: var(--radius-sm);
  min-height: var(--tap-min);
  display: inline-flex;
  align-items: center;
}
.nav a:hover { color: var(--accent); background: var(--accent-dim); }

.header-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}
.header-actions .btn {
  min-height: var(--tap-min);
  padding: 0 1rem;
}

@media (max-width: 768px) {
  .site-header .header-wrap { flex-wrap: wrap; }
  .logo { order: 1; }
  .nav { order: 0; }
  .header-actions { order: 2; }
  .nav-toggle { order: 3; display: flex; align-items: center; justify-content: center; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem max(1rem, env(safe-area-inset-left)) 1rem max(1rem, env(safe-area-inset-right));
    gap: 0;
    max-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.2s;
  }
  .nav.nav-open {
    max-height: min(70vh, 400px);
    opacity: 1;
  }
  .nav a {
    padding: 0.85rem 1rem;
    min-height: var(--tap-min);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
  }
  .header-actions .btn { min-height: var(--tap-min); padding: 0 1rem; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.6rem 1.15rem;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  min-height: var(--tap-min);
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--bg);
}
.btn-outline {
  background: transparent;
  color: var(--text-silver);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.btn-gh {
  background: transparent;
  color: var(--text-muted);
}
.btn-gh:hover { color: var(--accent); }
.btn-icon-x { padding: 0 0.75rem; display: inline-flex; align-items: center; justify-content: center; }
.icon-x { width: 1.25rem; height: 1.25rem; display: block; }
.icon-x-sm { width: 1rem; height: 1rem; display: inline-block; vertical-align: middle; }
.author-links .icon-x-sm { width: 0.9rem; height: 0.9rem; }

.btn-star {
  background: var(--bg-card);
  color: var(--star);
  border-color: var(--border);
}
.btn-star:hover {
  border-color: var(--star);
  color: var(--star);
  background: rgba(240, 193, 75, 0.08);
}
.btn-star-icon { font-size: 1.1rem; }
.star-count { margin-left: 0.25rem; font-weight: 500; opacity: 0.95; }

/* Hero */
.hero {
  padding: 2.5rem 0 3.5rem;
  text-align: center;
  background: #000;
}
.hero-logo {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  margin: 0 auto 1.25rem;
  object-fit: contain;
}
@media (max-width: 480px) {
  .hero { padding: 2rem 0 3rem; }
  .hero-logo { max-width: 220px; margin-bottom: 1rem; }
}
.hero-badge {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
}
.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  letter-spacing: -0.02em;
}
.hero-tagline {
  margin: 0 0 0.5rem;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--text-silver);
}
.hero-sub {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.hero-stat {
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.hero-actions .btn { min-width: 140px; }

/* Star CTA */
.star-cta {
  padding: 2rem 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}
.star-cta h2 { margin: 0 0 0.5rem; font-size: 1.25rem; font-weight: 600; }
.star-cta p { margin: 0 0 1rem; color: var(--text-muted); font-size: 0.95rem; }

/* Stats strip */
.stats-strip {
  padding: 1.25rem 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.stats-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem 3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.stats-list li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}
.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
@media (max-width: 480px) {
  .stats-list { gap: 1.5rem 2rem; }
  .stat-value { font-size: 1.25rem; }
}

/* Learn — YouTube carousel */
.learn { padding: 2.5rem 0; }
.learn-intro { margin: 0 0 1.25rem; color: var(--text-muted); }
.learn-carousel-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.learn-carousel {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.learn-carousel-track {
  display: flex;
  transition: transform 0.3s ease;
}
.learn-carousel-slide {
  flex: 0 0 100%;
  padding: 0 0.25rem;
  box-sizing: border-box;
}
.learn-carousel-slide iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #000;
}
.learn-carousel-btn {
  flex-shrink: 0;
  width: var(--tap-min);
  height: var(--tap-min);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
}
.learn-carousel-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.learn-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.learn-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.2s;
}
.learn-carousel-dot:hover { background: var(--text-muted); }
.learn-carousel-dot.active { background: var(--accent); }
@media (max-width: 640px) {
  .learn-carousel-wrap { gap: 0.35rem; }
  .learn-carousel-btn { width: 40px; height: 40px; font-size: 1rem; }
}

@media (max-width: 768px) {
  input, select, textarea { font-size: 16px; }
}

/* Sections */
section {
  padding: 2.5rem 0;
}
@media (max-width: 480px) {
  section { padding: 2rem 0; }
}
section h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.why-grid li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text-silver);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.why-grid li:hover {
  border-color: var(--border-subtle);
  box-shadow: 0 0 0 1px var(--accent-dim);
}
.why-icon { font-size: 1.25rem; flex-shrink: 0; }
.why-card-text { min-width: 0; flex: 1; }
.why-title {
  display: block;
  font-weight: 600;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.3;
  margin: 0 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}
.why-desc {
  display: block;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-silver);
  margin: 0;
}
@media (max-width: 640px) {
  .why-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .why-grid li { padding: 1rem; }
  .why-title { font-size: 0.95rem; margin-bottom: 0.4rem; padding-bottom: 0.4rem; }
  .why-desc { font-size: 0.875rem; }
}
.features-sub { margin: 0 0 1rem; color: var(--text-muted); font-size: 1rem; }
.features-why {
  margin: 1.25rem 0 0;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  color: var(--text-silver);
}
.features-why strong { color: var(--text); }

/* Benchmark */
.benchmark-intro { margin: 0 0 1rem; color: var(--text-muted); font-size: 0.95rem; }
.table-wrap { overflow-x: auto; margin: 0 0 1rem; -webkit-overflow-scrolling: touch; }
.benchmark-table, .arch-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.benchmark-table th, .benchmark-table td,
.arch-table th, .arch-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border: 1px solid var(--border);
}
.benchmark-table thead th, .arch-table thead th {
  background: var(--bg-card);
  color: var(--text);
  font-weight: 600;
}
.benchmark-table tbody tr:nth-child(even), .arch-table tbody tr:nth-child(even) { background: var(--bg-elevated); }
.benchmark-table td:last-child, .arch-table td:last-child { color: var(--accent); }
.benchmark-note, .arch-note { margin: 0; font-size: 0.9rem; color: var(--text-muted); }
.benchmark-note a, .arch-note a { color: var(--accent); }
.benchmark-note code, .quick-start code { font-size: 0.85em; padding: 0.1em 0.35em; background: var(--bg-card); border-radius: 4px; }

/* Quick start */
.quick-start-intro { margin: 0 0 1rem; color: var(--text-muted); }
.code-block {
  margin: 0 0 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}
.code-block code { color: var(--text-silver); white-space: pre; }
.quick-start-links { margin: 0; font-size: 0.95rem; }
.quick-start-links a { color: var(--accent); }

/* Architecture */
.arch-intro { margin: 0 0 1rem; color: var(--text-silver); }
.arch-layers {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}
.arch-layers li {
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-silver);
}
.arch-layers li strong { color: var(--text); }
.arch-table-title { margin: 1rem 0 0.75rem; font-size: 1.1rem; font-weight: 600; }
.arch-table code { font-size: 0.85em; padding: 0.1em 0.35em; background: var(--bg-elevated); border-radius: 4px; color: var(--accent); }
.arch-memory { margin: 0 0 0.5rem; font-size: 0.9rem; color: var(--text-muted); }

/* Broad support */
.support-intro { margin: 0 0 1rem; color: var(--text-muted); }
.support-label {
  margin: 1rem 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.support-label:first-of-type { margin-top: 0; }
.support-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.pill {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  font-size: 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-silver);
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
@media (max-width: 640px) {
  .support-pills { gap: 0.4rem; }
  .pill { padding: 0.35rem 0.7rem; font-size: 0.85rem; }
}

/* Comparison cards */
.comparison-title { margin: 1.5rem 0 0.75rem; font-size: 1.1rem; font-weight: 600; }
.comparison-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}
.comparison-card {
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.comparison-card h4 { margin: 0 0 0.75rem; font-size: 1rem; color: var(--text); }
.comparison-card dl { margin: 0; }
.comparison-card dt { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.35rem; }
.comparison-card dt:first-child { margin-top: 0; }
.comparison-card dd { margin: 0.1rem 0 0; font-weight: 500; color: var(--text-silver); }
.comparison-card-zeroclaw { border-color: var(--accent); background: var(--accent-dim); }
.comparison-card-zeroclaw dd { color: var(--accent); }

/* Get started CTA */
.get-started-cta {
  padding: 3rem 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}
.get-started-cta h2 { margin: 0 0 0.5rem; }
.get-started-intro { margin: 0 0 1.25rem; color: var(--text-muted); max-width: 36em; margin-left: auto; margin-right: auto; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; min-height: 48px; }

/* Security */
.security-intro { margin: 0 0 1rem; color: var(--text-muted); }
.security-list {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--text-silver);
}
.security-list li { margin-bottom: 0.5rem; }
.security-note { margin: 0; font-size: 0.9rem; color: var(--text-muted); }
.security-note a { color: var(--accent); }

/* Use cases: mobile-responsive cards */
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.use-case-card {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.use-case-card:hover {
  border-color: var(--border-subtle);
  box-shadow: 0 0 0 1px var(--accent-dim);
}
.use-case-title {
  display: block;
  font-weight: 600;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.3;
  margin: 0 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}
.use-case-desc {
  display: block;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-silver);
  margin: 0;
}
@media (max-width: 640px) {
  .use-case-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .use-case-card { padding: 1rem; }
  .use-case-title { font-size: 0.95rem; margin-bottom: 0.4rem; padding-bottom: 0.4rem; }
  .use-case-desc { font-size: 0.875rem; }
}

/* Tutorial gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
@media (max-width: 480px) {
  .gallery { grid-template-columns: 1fr; }
}
.card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.25rem;
  min-height: var(--tap-min);
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}
.card:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.card-title { font-weight: 600; color: var(--text); }
.card-desc { font-size: 0.9rem; color: var(--text-muted); }

/* Ideas */
.ideas-intro { margin: 0 0 1rem; color: var(--text-muted); font-size: 0.95rem; }
.ideas-controls { margin-bottom: 1rem; }
.ideas-controls select {
  padding: 0.6rem 1rem;
  min-height: var(--tap-min);
  font-size: 0.9rem;
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  width: 100%;
  max-width: 280px;
}
.ideas-controls select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.ideas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
@media (max-width: 640px) {
  .ideas-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}
.idea-card {
  padding: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  list-style: none;
  transition: border-color 0.2s;
  min-width: 0;
}
.idea-card:hover { border-color: var(--border-subtle); }
.idea-card .idea-cat,
.idea-card .idea-cat-pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
}
.idea-card .idea-cat-pill {
  padding: 0.25em 0.6em;
  background: var(--accent-dim);
  border-radius: 999px;
  color: var(--accent);
  margin-top: auto;
}
.idea-card .idea-title {
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--text);
  margin: 0 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: block;
}
.idea-card .idea-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 0.75rem;
  display: block;
}
.idea-card.hidden { display: none; }
.idea-card-link .idea-card-inner {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  color: inherit;
  text-decoration: none;
  padding: 1.15rem 1.25rem;
  margin: 0;
  border-radius: var(--radius);
  transition: background 0.2s;
  box-sizing: border-box;
}
.idea-card-link .idea-card-inner:hover { background: var(--accent-dim); }
.idea-card-link .idea-card-inner:hover .idea-read-more { color: var(--accent); }
.idea-read-more {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
  display: block;
}
@media (max-width: 640px) {
  .idea-card-link .idea-card-inner {
    padding: 1rem 1rem;
    min-height: var(--tap-min);
  }
  .idea-card .idea-title { font-size: 1rem; margin-bottom: 0.4rem; }
  .idea-card .idea-summary { font-size: 0.875rem; margin-bottom: 0.6rem; }
}
.ideas-intro a { color: var(--accent); }
.ideas-cta { margin: 1.25rem 0 0; }
.hidden { display: none !important; }

/* Contribute */
.contribute-list {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}
.contribute-list li { margin-bottom: 0.5rem; color: var(--text-silver); }
.contribute-list code {
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  padding-bottom: max(2rem, env(safe-area-inset-bottom));
  border-top: 1px solid var(--border-subtle);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem 2rem;
  margin-bottom: 1.5rem;
}
.footer-heading {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-list li { margin-bottom: 0.35rem; }
.footer-list a {
  color: var(--text-silver);
  text-decoration: none;
  font-size: 0.95rem;
}
.footer-list a:hover { color: var(--accent); }
.footer-cta { margin: 0 0 1rem; }
.footer-cta .btn { min-height: var(--tap-min); }
.footer-by { margin: 0 0 0.5rem; font-size: 0.9rem; color: var(--text-silver); text-align: center; }
.author-wrap { position: relative; display: inline-flex; align-items: center; }
.author-name { color: var(--accent); text-decoration: none; font-weight: 500; }
.author-name:hover { text-decoration: underline; }
.author-links {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0.35rem;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 9rem;
  padding: 0.5rem 0.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  z-index: 20;
}
.author-links::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  margin-left: -6px;
  border: 6px solid transparent;
  border-bottom-color: var(--border);
}
.author-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  min-height: var(--tap-min);
  display: flex;
  align-items: center;
}
.author-links a:hover { color: var(--accent); background: var(--accent-dim); }
@media (hover: hover) {
  .author-wrap:hover .author-links { display: flex; }
}
@media (hover: none) {
  .author-links { display: inline-flex; position: static; transform: none; margin-top: 0; padding: 0; background: none; border: none; box-shadow: none; min-width: 0; flex-direction: row; }
  .author-links::before { display: none; }
  .author-links a { padding: 0.25rem 0.5rem; min-height: auto; }
}
.footer-community { margin: 0 0 0.5rem; font-size: 0.9rem; color: var(--text-silver); text-align: center; }
.footer-legal { margin: 0; font-size: 0.9rem; color: var(--text-muted); text-align: center; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  margin-bottom: 0.75rem;
}
.footer-links a { color: var(--accent); text-decoration: none; font-size: 0.95rem; }
.footer-links a:hover { text-decoration: underline; }
.text-muted { color: var(--text-muted); font-size: 0.95rem; }

/* Ideas page */
.ideas-hero {
  background: #000;
  padding: 1.5rem 0 1.25rem;
  margin-bottom: 0.5rem;
}
.ideas-hero .wrap {
  max-width: 960px;
  margin: 0 auto;
  padding-left: max(1.25rem, env(safe-area-inset-left));
  padding-right: max(1.25rem, env(safe-area-inset-right));
}
.ideas-hero-title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.35rem, 4vw, 2rem);
  color: var(--text);
  line-height: 1.25;
  word-wrap: break-word;
}
.ideas-hero-desc {
  margin: 0;
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  color: var(--text-muted);
  line-height: 1.5;
}
.ideas-page-wrap { padding-top: 0; padding-bottom: 2rem; }
@media (max-width: 640px) {
  .ideas-hero { padding: 1.25rem 0 1rem; }
  .ideas-hero .wrap {
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
  }
}
.ideas-page-header { margin-bottom: 1.5rem; }
.ideas-page-header h1 { margin: 0 0 0.35rem; }
.ideas-page-desc { margin: 0; color: var(--text-muted); }
.ideas-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1rem;
}
@media (max-width: 640px) {
  .ideas-toolbar { gap: 0.75rem; margin-bottom: 0.75rem; }
  .ideas-filters { width: 100%; }
}
.ideas-search-wrap { flex: 1; min-width: 200px; }
@media (max-width: 640px) {
  .ideas-search-wrap { min-width: 100%; }
}
.ideas-search {
  width: 100%;
  padding: 0.6rem 1rem;
  font-size: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
}
.ideas-search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.ideas-search::placeholder { color: var(--text-muted); }
.ideas-filters { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; }
.ideas-filters-label { font-size: 0.9rem; color: var(--text-muted); white-space: nowrap; }
.ideas-category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}
.idea-pill {
  padding: 0.4rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.idea-pill:hover {
  border-color: var(--border-subtle);
  color: var(--text);
}
.idea-pill-active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}
.ideas-category-select {
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  font-size: 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  min-height: var(--tap-min);
}
.ideas-category-select:focus {
  outline: none;
  border-color: var(--accent);
}
.ideas-clear-btn {
  padding: 0.5rem 0.85rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: var(--tap-min);
}
.ideas-clear-btn:hover {
  border-color: var(--border-subtle);
  color: var(--text);
}
.ideas-controls-full {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.ideas-count { margin: 0 0 0.75rem; font-size: 0.9rem; color: var(--text-muted); }
.ideas-empty,
.ideas-empty-state { margin: 1.5rem 0 0; text-align: center; padding: 2rem 1rem; }
.ideas-empty-state.hidden { display: none !important; }
.ideas-empty-title { margin: 0 0 0.35rem; font-size: 1.1rem; color: var(--text-muted); }
.ideas-empty-desc { margin: 0; font-size: 0.95rem; color: var(--text-muted); }
.ideas-empty-clear { margin-top: 1rem; }
.idea-single { margin-bottom: 2rem; }
.idea-back {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
}
.idea-back:hover { text-decoration: underline; }
.idea-detail {
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.idea-detail .idea-cat { margin-bottom: 0.5rem; }
.idea-detail .idea-cat-link {
  color: var(--accent);
  text-decoration: none;
}
.idea-detail .idea-cat-link:hover { text-decoration: underline; }
.idea-card .idea-cat-pill[role="link"] { cursor: pointer; }
.idea-detail-title { margin: 0 0 0.5rem; font-size: 1.35rem; }
.idea-detail-summary { margin: 0; color: var(--text-silver); line-height: 1.6; }
.ideas-grid-featured { max-width: 100%; }
.ideas-grid-full .idea-card { max-width: none; }

/* Ecosystem page */
.ecosystem-hero { }
.ecosystem-add-cta {
  margin-top: 2.5rem;
  padding: 1.5rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.ecosystem-add-cta h2 { margin: 0 0 0.5rem; font-size: 1.2rem; }
.ecosystem-add-cta p { margin: 0 0 1rem; color: var(--text-muted); font-size: 0.95rem; }
.ecosystem-add-steps {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
  color: var(--text-silver);
  font-size: 0.95rem;
  line-height: 1.6;
}
.ecosystem-add-steps li { margin-bottom: 0.5rem; }
.ecosystem-add-steps code { font-size: 0.85em; padding: 0.1em 0.35em; background: var(--bg-elevated); border-radius: 4px; color: var(--accent); }
.ecosystem-status { margin-top: auto; }
.ecosystem-status-building { background: var(--accent-dim); color: var(--accent); }
.ecosystem-status-production { background: rgba(34, 197, 94, 0.2); color: #22c55e; }