:root {
  --bg: #0f1114;
  --surface: #181b21;
  --border: #2a3038;
  --text: #e8eaed;
  --muted: #9aa3ad;
  --accent: #6ee7b7;
  --accent-dim: #34d399;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", monospace;
}

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

html {
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  width: min(960px, 100% - 2rem);
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
  background: var(--surface);
}

.logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--accent);
}

.tagline {
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.breadcrumbs {
  padding: 0.75rem 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.breadcrumbs a {
  color: var(--accent-dim);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.crumb-sep {
  margin: 0 0.35rem;
  opacity: 0.5;
}

.crumb-current {
  color: var(--text);
}

main {
  flex: 1;
  padding: 1.5rem 0 3rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0 2rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.hero h1,
.experiment-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.03em;
}

.hero p,
.lede {
  color: var(--muted);
  max-width: 42rem;
}

.experiment-list {
  margin-top: 2rem;
}

.experiment-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.experiment-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}

.experiment-card h2 a {
  color: var(--text);
  text-decoration: none;
}

.experiment-card h2 a:hover {
  color: var(--accent);
}

.experiment-card .meta {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0;
}

.experiment-card .meta a {
  color: var(--accent-dim);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.character-note {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.character-note h2 {
  font-size: 0.875rem;
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.character-note p {
  margin: 0;
}

.technique-index h2 {
  margin-top: 2.5rem;
  font-size: 1.125rem;
}

.technique-grid {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.35rem;
}

@media (min-width: 640px) {
  .technique-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.technique-grid a {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid transparent;
}

.technique-grid a:hover {
  background: var(--surface);
  border-color: var(--border);
}

.technique-grid .num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  min-width: 1.75rem;
}

.media-frame {
  aspect-ratio: 16 / 9;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #f3f4f6;
}

.technique-demo {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 280px;
  border: 0;
  background: transparent;
}

.media-slot {
  aspect-ratio: 16 / 9;
  background: repeating-linear-gradient(
    -45deg,
    #1a1e24,
    #1a1e24 8px,
    #15181d 8px,
    #15181d 16px
  );
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.media-label {
  font-weight: 600;
  color: var(--muted);
}

.media-hint {
  font-size: 0.8125rem;
  color: var(--muted);
  opacity: 0.8;
}

.technique-copy .family {
  font-size: 0.8125rem;
  color: var(--accent-dim);
  margin: 0 0 0.35rem;
}

.technique-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  letter-spacing: -0.02em;
}

.technique-num {
  color: var(--muted);
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.85em;
}

.placeholder-copy {
  color: var(--muted);
  font-style: italic;
}

.technique-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.9375rem;
}

.technique-pager a {
  color: var(--accent-dim);
  text-decoration: none;
}

.technique-pager a:hover {
  text-decoration: underline;
}

.share-url {
  margin-top: 1.25rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.share-url code {
  font-family: var(--mono);
  background: var(--surface);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}