:root {
  --canvas: #080b11;
  --surface: #101723;
  --surface-soft: #152033;
  --text: #e8eef8;
  --muted: #8b9bb0;
  --line: #29354a;
  --accent: #7dd3fc;
  --accent-ink: #082032;
  --warm: #f0bc84;
  --danger: #f29b91;
  --good: #bceba9;
  --radius: 3px;
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--canvas);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  max-width: 1120px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 5vw 4rem;
  background:
    linear-gradient(90deg, transparent 0 49.9%, rgba(125, 211, 252, 0.04) 50%, transparent 50.1%),
    var(--canvas);
  line-height: 1.55;
}
a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { color: var(--text); }
code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
code {
  color: var(--accent);
  font-size: 0.92em;
}
pre {
  overflow: auto;
  margin: 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--canvas);
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.45;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0.75rem;
  padding: 0.65rem 1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}
.skip:focus { left: 5vw; z-index: 2; }

.masthead, footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  display: inline-flex;
  gap: 11px;
  align-items: center;
  color: inherit;
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.wordmark-mark {
  width: 14px;
  height: 14px;
  display: inline-block;
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: inset 0 0 0 3px var(--canvas);
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  justify-content: flex-end;
}
.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
}
.site-nav a[aria-current="page"],
.site-nav a:hover { color: var(--text); }

.kicker {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 1.2rem;
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  font-weight: 650;
  letter-spacing: -0.08em;
  line-height: 0.92;
}
h1 em { color: var(--accent); font-style: normal; }
h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.05em;
}
h3 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}
.lede, .muted, .note { color: var(--muted); }
.lede { max-width: 42rem; margin-bottom: 1.8rem; font-size: clamp(1rem, 1.6vw, 1.2rem); }
.note { font-size: 0.92rem; }

.hero { padding: 4.5rem 0 3.5rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent-ink);
  background: var(--accent);
  font: 700 0.78rem/1 inherit;
  text-decoration: none;
}
.button-quiet {
  color: var(--accent);
  background: transparent;
}
.button:hover { color: var(--text); background: transparent; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.card, .panel {
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--line);
  background: var(--surface);
}
.card h2, .panel h2 { font-size: 1.25rem; }
.card p:last-child, .panel p:last-child { margin-bottom: 0; }

.stack { display: grid; gap: 1rem; padding: 0 0 3rem; }
.panel { display: grid; gap: 0.85rem; }
.facts {
  display: grid;
  grid-template-columns: minmax(9rem, 0.4fr) minmax(0, 1fr);
  gap: 0.35rem 1rem;
  margin: 0;
}
.facts dt { color: var(--muted); font-size: 0.78rem; font-weight: 650; }
.facts dd { margin: 0; overflow-wrap: anywhere; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th, td {
  padding: 0.7rem 0.55rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
th { color: var(--muted); font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; }
.list {
  margin: 0;
  padding-left: 1.15rem;
}
.list li + li { margin-top: 0.45rem; }
.warn { color: var(--warm); }
.ok { color: var(--good); }
.bad { color: var(--danger); }

footer {
  min-height: 100px;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: var(--muted);
  font-size: 0.75rem;
}
footer span { display: block; max-width: 36rem; }

.button:focus-visible,
.skip:focus-visible,
.wordmark:focus-visible,
.site-nav a:focus-visible,
a:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

@media (max-width: 800px) {
  .masthead, footer { align-items: flex-start; flex-direction: column; justify-content: center; padding: 1rem 0; }
  .site-nav { justify-content: flex-start; }
  .hero { padding: 3rem 0 2.4rem; }
  .grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}