:root {
  --bg: #070b14;
  --bg-elevated: #0c1220;
  --surface: #111827;
  --surface-hover: #151f33;
  --border: #1e2d45;
  --border-hover: #2d4266;
  --fg: #e8edf5;
  --muted: #7b8da8;
  --dim: #4a5d78;
  --accent: #22d3ee;
  --accent-dim: #0891b2;
  --violet: #a78bfa;
  --amber: #fbbf24;
  --gold: #f59e0b;
  --green: #34d399;
  --gradient: linear-gradient(135deg, #1d4ed8 0%, #06b6d4 55%, #22d3ee 100%);
  --gradient-viv: linear-gradient(135deg, #22d3ee 0%, #7c8cff 55%, #a78bfa 100%);
  --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  --max: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

/* Atmosphere */
.atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.grid-field {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 45, 69, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 45, 69, 0.35) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 75%);
  opacity: 0.5;
}
.glow {
  position: absolute;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.18;
}
.glow--left { top: -10%; left: -15%; background: #1d4ed8; }
.glow--right { top: 30%; right: -20%; background: #7c3aed; }

.skip {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.skip:focus { left: 1rem; }

/* Layout shell */
.hero,
main,
.site-footer {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Navigation */
.nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  padding: 1.25rem 0 0;
}
.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}
.nav-link:hover,
.nav-link:focus-visible { color: var(--fg); }
.nav-link--accent { color: var(--accent); }
.nav-link--accent:hover,
.nav-link--accent:focus-visible { color: #67e8f9; }

/* Hero */
.hero {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.hero-core {
  text-align: center;
  padding: 3rem 0 2.5rem;
}
.hero-mark {
  display: block;
  margin: 0 auto 1.75rem;
  filter: drop-shadow(0 8px 24px rgba(124, 140, 255, 0.3));
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 1rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  color: var(--fg);
}
.hero h1 em {
  font-style: italic;
  background: var(--gradient-viv);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-lede {
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.75;
  max-width: 640px;
  margin: 0 auto 2rem;
}
.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, border-color 0.15s;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn--primary {
  background: var(--gradient-viv);
  color: #0a0f1e;
  box-shadow: 0 4px 20px rgba(124, 140, 255, 0.3);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(124, 140, 255, 0.4);
}
.btn--ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: var(--border-hover); background: var(--surface); }
.btn-arrow { transition: transform 0.15s; }
.btn--primary:hover .btn-arrow { transform: translateX(3px); }

/* Hero stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  background: var(--bg-elevated);
  padding: 1.1rem 1rem;
  text-align: center;
}
.stat dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 0.25rem;
}
.stat dd {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--accent);
  margin: 0;
}

/* Section headers */
section { margin: 4.5rem 0; }
.section-head { margin-bottom: 2rem; }
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin: 0 0 0.5rem;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  color: var(--fg);
}
.section-intro {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0;
  line-height: 1.75;
}
.section-intro a { color: var(--accent); text-decoration: none; }
.section-intro a:hover { text-decoration: underline; }

/* Pills */
.pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  border: 1px solid transparent;
}
.pill--cyan { color: var(--accent); background: rgba(34, 211, 238, 0.1); border-color: rgba(34, 211, 238, 0.25); }
.pill--violet { color: var(--violet); background: rgba(167, 139, 250, 0.1); border-color: rgba(167, 139, 250, 0.25); }
.pill--amber { color: var(--amber); background: rgba(251, 191, 36, 0.1); border-color: rgba(251, 191, 36, 0.25); }
.pill--gold { color: var(--gold); background: rgba(245, 158, 11, 0.12); border-color: rgba(245, 158, 11, 0.3); }
.pill--green { color: var(--green); background: rgba(52, 211, 153, 0.1); border-color: rgba(52, 211, 153, 0.25); }
.pill--muted { color: var(--dim); background: rgba(74, 93, 120, 0.15); border-color: var(--border); }

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

/* Hero feature film */
.hero-film { margin: 3rem 0 0; }
.hero-film figure { margin: 0; }
.hero-film video {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #000;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  box-shadow: var(--shadow);
}
.hero-film figcaption {
  margin-top: 0.85rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
.hero-film figcaption a { color: var(--accent); text-decoration: none; }
.hero-film figcaption a:hover { text-decoration: underline; }

/* Showcase */
.showcase-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}
.showcase-film {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.showcase-film:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.showcase-film video {
  width: 100%;
  display: block;
  background: #000;
  border-bottom: 1px solid var(--border);
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.film-meta { padding: 1.35rem 1.5rem 1.5rem; }
.film-meta h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--fg);
}
.film-meta figcaption {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}
.film-meta figcaption a { color: var(--accent); text-decoration: none; }
.film-meta figcaption a:hover { text-decoration: underline; }
.showcase-note {
  margin: 2rem 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}
.showcase-note a { color: var(--accent); text-decoration: none; }
.showcase-note a:hover { text-decoration: underline; }

/* Steps (How it works) */
.steps {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, 1fr);
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.35rem 1.5rem;
  background: var(--bg-elevated);
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 0.15rem;
}
.step strong {
  display: block;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.25rem;
}
.step span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Diagram */
.diagram {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.5rem;
  overflow-x: auto;
}
.diagram img { width: 100%; min-width: 640px; height: auto; display: block; }
.diagram figcaption {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 1rem;
  text-align: center;
}

/* Feature grid */
.feature-grid,
.door-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.feature-card,
.door-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover,
.door-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.feature-card h3,
.door-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
}
.feature-card p,
.door-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.925rem;
  line-height: 1.7;
}
.door-card {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(124, 140, 255, 0.06) 100%);
}

/* Ecosystem flow */
.flow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--accent);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 0 0 2rem;
}

/* Repo table */
.repo-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.repo-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.25rem;
  padding: 1.1rem 1.5rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: background 0.15s;
}
.repo-row:last-child { border-bottom: none; }
a.repo-row:hover { background: var(--surface-hover); }
.repo-row--head {
  background: var(--surface);
}
.repo-row--head span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}
.repo-row strong {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}
.repo-row span:last-child {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* Slate */
.slate-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Install */
.code-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  margin-bottom: 1.5rem;
}
.code-block pre { margin: 0; padding: 1.5rem; }
.code-block code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--fg);
  white-space: pre;
}
.cost-note {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(34, 211, 238, 0.05) 100%);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
}
.cost-note h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}
.cost-note p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
.cost-note p:last-child { margin-bottom: 0; }
.cost-fine { font-size: 0.85rem !important; color: var(--dim) !important; }
.prerelease-note {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(251, 191, 36, 0.07) 100%);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-left-width: 4px;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}
.prerelease-note h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
}
.prerelease-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
.install-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.install-soon {
  margin: 0;
  color: var(--dim);
  font-size: 0.9rem;
  line-height: 1.65;
}
.install-soon code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
}

/* Team */
.team-roster {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.member {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.member:hover { border-color: var(--border-hover); box-shadow: var(--shadow); }
.member--founder {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(34, 211, 238, 0.07) 100%);
  border-color: rgba(34, 211, 238, 0.35);
}
.member-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 0.6rem;
}
.member h3 {
  margin: 0 0 0.15rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.2;
}
.member h3 a { color: var(--fg); text-decoration: none; }
.member h3 a:hover { color: var(--accent); }
.member-handle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--dim);
  margin: 0 0 0.75rem;
}
.member p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Manifesto */
.manifesto {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.manifesto li {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.35rem 1.5rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.manifesto li:last-child { border-bottom: none; }
.manifesto-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--dim);
  flex-shrink: 0;
  padding-top: 0.15rem;
}
.manifesto strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.2rem;
}
.manifesto span {
  color: var(--muted);
  font-size: 0.925rem;
  line-height: 1.65;
}

/* Acceptable use */
.use-box {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(251, 191, 36, 0.06) 100%);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
}
.use-box h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--fg);
}
.use-box p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
.use-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 0 !important;
}
.use-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
  text-decoration: none;
}
.use-links a:hover { text-decoration: underline; }

/* Footer */
.site-footer {
  margin-top: 2rem;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 3fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}
.footer-brand {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}
.footer-brand strong { display: block; font-size: 1rem; margin-bottom: 0.25rem; }
.footer-brand p { margin: 0; color: var(--muted); font-size: 0.85rem; max-width: 300px; line-height: 1.6; }
.footer-links {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.footer-col { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
}
.footer-col a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
}
.footer-copyright {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}
.footer-copyright a { color: var(--accent); text-decoration: none; }
.footer-copyright a:hover { text-decoration: underline; }
.footer-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--dim);
  letter-spacing: 0.02em;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 900px) {
  .showcase-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .hero-core { padding-top: 2rem; }
  .hero-mark { width: 72px; height: 72px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .repo-row { grid-template-columns: 1fr; gap: 0.35rem; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; }
}