html {
  background-color: var(--bg);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E"),
    radial-gradient(680px 380px at 15% -120px, var(--bg-glow), transparent 65%),
    radial-gradient(520px 320px at 100% 0%, rgba(250, 179, 135, 0.08), transparent 60%);
  background-blend-mode: overlay, normal, normal;
  background-attachment: fixed;
}

body {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 40px;
}

/* ---------- Header ---------- */

.site-header {
  margin-bottom: 40px;
  animation: rise 550ms ease-out both;
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.mark {
  color: var(--accent);
  flex: none;
}

.site-header h1 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 42px);
  letter-spacing: -0.01em;
  color: var(--fg);
}

.tagline {
  color: var(--muted);
  font-size: 15px;
  max-width: 46ch;
  margin: var(--space-lg) 0 0;
}

.stats {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin: var(--space-sm) 0 0;
  font-variant-numeric: tabular-nums;
}

.stats strong {
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Featured ---------- */

.featured {
  margin-bottom: 48px;
  animation: rise 550ms ease-out both;
  animation-delay: 30ms;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.feature-card {
  padding: var(--space-lg);
  background: rgba(24, 24, 37, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-primary);
  box-shadow: var(--shadow-ambient);
}

.feature-card .entry-name {
  font-size: 16px;
}

.feature-card .entry-desc {
  margin-bottom: 0;
  font-size: 13px;
}

/* ---------- Category groups ---------- */

.group {
  margin-bottom: 48px;
  animation: rise 550ms ease-out both;
}

.group:nth-of-type(1) { animation-delay: 60ms; }
.group:nth-of-type(2) { animation-delay: 120ms; }
.group:nth-of-type(3) { animation-delay: 180ms; }
.group:nth-of-type(4) { animation-delay: 240ms; }

.cat-ecosystem { --cat-color: var(--accent); }
.cat-hardware { --cat-color: #74c7ec; }
.cat-misc { --cat-color: #a6e3a1; }

.group-head {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
}

.group-head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cat-color, var(--border)), transparent 85%);
  opacity: 0.5;
}

.group-icon {
  color: var(--cat-color, var(--accent));
  flex: none;
}

.group h2 {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg);
}

.group-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cat-color, var(--muted));
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 1px var(--space-sm);
  font-variant-numeric: tabular-nums;
}

/* ---------- Entries ---------- */

.entries {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.entry {
  position: relative;
  padding: var(--space-lg);
  background: rgba(24, 24, 37, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  border-radius: var(--radius-primary);
  box-shadow: var(--shadow-ambient);
  transition: border-color 150ms ease, background 150ms ease, box-shadow 150ms ease;
}

.entry:hover {
  border-color: var(--border);
  border-left-color: var(--cat-color, var(--accent));
  background: rgba(36, 36, 58, 0.78);
  box-shadow: var(--shadow-hover);
}

.entry-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
}

.entry-name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--fg);
}

.entry-name::before {
  content: "./";
  color: var(--muted);
  font-weight: 400;
}

.entry-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

.entry-meta .lang {
  color: var(--cat-color, var(--accent));
}

.entry-meta .sep {
  margin: 0 var(--space-xs);
  opacity: 0.6;
}

.entry-source {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  padding: 3px var(--space-sm);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  transition: color 150ms ease, border-color 150ms ease, background 150ms ease;
}

.entry-source::after {
  content: " \2192";
}

.entry-source:hover {
  color: var(--cat-color, var(--accent));
  border-color: var(--accent-line);
  background: var(--accent-dim);
}

.entry-desc {
  margin: var(--space-sm) 0 var(--space-md);
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-pill);
  padding: 2px var(--space-sm);
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: 56px;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 640px) {
  body {
    padding: 40px 16px 32px;
  }

  .featured-grid {
    grid-template-columns: 1fr;
  }

  .entry-head {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .site-footer {
    flex-direction: column;
    gap: var(--space-xs);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header,
  .featured,
  .group {
    animation: none;
  }

  .entry {
    transition: none;
  }
}