:root {
  color-scheme: dark;
  --bg: #0b0c12;
  --panel: #12141c;
  --panel-2: #1a1d27;
  --text: #e8e6ef;
  --muted: #9a97a8;
  --border: #2a2d3a;
  --accent: #c084fc;
  --ok: #4ade80;
  --warn: #fbbf24;
  --error: #f87171;
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(192, 132, 252, 0.14), transparent 60%),
    radial-gradient(700px 500px at 0% 10%, rgba(74, 222, 128, 0.07), transparent 60%),
    var(--bg);
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 12, 18, 0.82);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.nav a:hover {
  color: var(--text);
}

main {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 48px;
  padding: 72px 0 64px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 5.6vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.lede {
  margin: 20px 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 17px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 1px;
  padding: 10px 16px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

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

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #160b22;
}

.button.primary:hover {
  transform: translateY(-1px);
}

.button.ghost {
  background: transparent;
  color: var(--muted);
}

.button.download .meta {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.fineprint {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.hero-art {
  display: flex;
  justify-content: center;
}

.map-card {
  width: 100%;
  max-width: 520px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--panel), #0d0f16);
  padding: 14px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.map-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 4px 12px;
  color: var(--muted);
  font-size: 12px;
}

.map-count {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
}

.map-svg {
  display: block;
  width: 100%;
  height: auto;
}

.map-svg .edge {
  fill: none;
  stroke: #5b5f73;
  stroke-width: 1.5;
}

.map-svg .missing-edge {
  stroke: var(--error);
  stroke-dasharray: 4 4;
}

.map-svg .node rect {
  fill: var(--panel-2);
  stroke: var(--border);
  stroke-width: 1.2;
}

.map-svg .node text {
  fill: var(--text);
  font-size: 13px;
  font-weight: 600;
  text-anchor: middle;
}

.map-svg .node .node-meta {
  fill: var(--muted);
  font-size: 10px;
  font-weight: 500;
}

.map-svg .node.entry rect {
  stroke: var(--accent);
}

.map-svg .node.covered rect {
  stroke: var(--ok);
}

.map-svg .node.covered circle {
  fill: var(--ok);
}

.map-svg .node.dead rect {
  stroke: var(--warn);
}

.map-svg .node.missing rect {
  fill: rgba(248, 113, 113, 0.08);
  stroke: var(--error);
}

.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px 4px 2px;
  color: var(--muted);
  font-size: 11px;
}

.map-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid transparent;
}

.dot.entry {
  background: var(--accent);
}

.dot.covered {
  background: var(--ok);
}

.dot.dead {
  background: var(--warn);
}

.dot.missing {
  border-color: var(--error);
}

.features {
  padding: 40px 0 24px;
}

.features h2,
.downloads h2,
.cta h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.02em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.feature-grid article {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  padding: 18px;
}

.feature-grid h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.downloads {
  margin-top: 48px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
}

.downloads-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.muted {
  color: var(--muted);
}

.downloads-head p {
  margin: 8px 0 0;
  font-size: 13px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.download-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  text-decoration: none;
  transition: border-color 0.15s ease;
}

.download-card:hover {
  border-color: var(--accent);
}

.download-card strong {
  font-size: 13px;
}

.download-card span {
  color: var(--muted);
  font-size: 12px;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 24px 0 0;
  padding: 30px 4px;
  border-top: 1px solid var(--border);
}

.cta p {
  margin: 8px 0 0;
  font-size: 14px;
}

.cta .actions {
  margin-top: 0;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 22px 24px 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

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

.footer nav {
  display: flex;
  gap: 14px;
}

.noscript {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 12px 24px 30px;
  color: var(--warn);
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 48px;
  }

  .hero-art {
    order: 2;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .topbar {
    padding: 12px 16px;
  }

  .nav {
    gap: 12px;
  }

  .nav a:nth-child(1) {
    display: none;
  }

  main {
    padding: 0 16px;
  }

  .feature-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .downloads {
    padding: 20px;
  }

  .downloads-head,
  .cta,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer {
    padding: 20px 16px 32px;
  }
}