canvas {
  width: 100%;
  height: 100%;
}

body {
  margin: 0 !important;
}

/* --- experiment pages (full-bleed canvas) keep the old baseline --- */

/* --- homepage --- */

:root {
  --bg: #08080c;
  --fg: #e8e8ec;
  --fg-dim: #9797a3;
  --accent: #04c7f3;
  --border: #1e1e26;
  --mono: "SFMono-Regular", "JetBrains Mono", "Menlo", monospace;
  --sans: -apple-system, "Segoe UI", Roboto, sans-serif;
}

body:has(#shader-canvas) {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
}

#shader-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

#app {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 0;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
}

.wordmark {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.x-link {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg-dim);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  transition:
    color 0.15s,
    border-color 0.15s;
}

.x-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.hero {
  padding: 3rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-family: var(--mono);
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.hero-tagline {
  font-size: 1.25rem;
  line-height: 1.5;
  max-width: 42ch;
  margin: 0 0 1rem;
  color: var(--fg);
}

.hero-context {
  font-size: 0.95rem;
  color: var(--fg-dim);
  max-width: 52ch;
  line-height: 1.6;
}

.hero-context strong {
  color: var(--fg);
}

.experiments {
  padding: 3rem 0;
}

.experiment-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.experiment-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: rgba(20, 20, 26, 0.5);
  backdrop-filter: blur(6px);
  transition:
    border-color 0.15s,
    transform 0.15s;
}

.experiment-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.experiment-link {
  color: inherit;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.experiment-url {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
}

.experiment-card h2 {
  font-size: 1.15rem;
  margin: 0;
}

.experiment-card p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--fg-dim);
  margin: 0;
}

.experiment-stat {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg);
  border-top: 1px solid var(--border);
  padding-top: 0.6rem;
  margin-top: 0.2rem;
}

.build-link {
  align-self: flex-start;
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-decoration: none;
  border-bottom: 1px dotted var(--fg-dim);
}

.build-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-note {
  font-size: 0.85rem;
  color: var(--fg-dim);
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg-dim);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}