/* Landing page styles. No build step, no framework, no JS on the page: the only
   thing shipped is the HTML the build verified plus this file. */

:root {
  color-scheme: light dark;
  --bg: #0d1117;
  --bg-raised: #151b23;
  --border: #2a3340;
  --text: #e8edf3;
  --text-dim: #a3b0c0;
  --accent: #6fd3c7;
  --accent-dim: #2f6f68;
  --warn: #e8c46a;
  --measure: 44rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0 1.5rem 4rem;
  background: var(--bg);
  color: var(--text);
  font: 400 clamp(1rem, 0.95rem + 0.2vw, 1.0625rem) / 1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
}

header,
main,
footer {
  max-width: var(--measure);
  margin-inline: auto;
}

/* ── header ─────────────────────────────────────────────────────────────── */

header {
  padding: 4.5rem 0 3rem;
  border-bottom: 1px solid var(--border);
}

.wordmark {
  margin: 0 0 2.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 1.5rem + 2.2vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 650;
  text-wrap: balance;
}

.tagline {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  color: var(--accent);
}

.lede,
.intro {
  color: var(--text-dim);
  text-wrap: pretty;
}

.lede {
  margin: 0 0 2.5rem;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.badges li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.6rem 0.9rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.badge-label {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.badge-value {
  font-size: 0.9375rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ── sections ───────────────────────────────────────────────────────────── */

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

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.375rem, 1.2rem + 0.7vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 640;
  text-wrap: balance;
}

.intro {
  margin: 0 0 2rem;
}

ul.claims {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.75rem;
}

ul.claims p {
  margin: 0;
}

ul.claims strong {
  font-weight: 640;
  color: var(--text);
}

ul.claims li p:first-child {
  color: var(--text-dim);
}

.refs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.6rem !important;
}

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8125rem;
}

.refs code {
  padding: 0.15rem 0.45rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 0.3rem;
  color: var(--accent);
  white-space: nowrap;
}

.caveat {
  margin: 2rem 0 0;
  padding: 1rem 1.1rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--warn);
  border-radius: 0.4rem;
  color: var(--text-dim);
  font-size: 0.9375rem;
}

.caveat span {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warn);
}

/* ── links ──────────────────────────────────────────────────────────────── */

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

ul.links li {
  padding: 1.1rem 1.25rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

ul.links a {
  font-weight: 640;
  color: var(--accent);
  text-decoration-color: var(--accent-dim);
  text-underline-offset: 0.2em;
}

ul.links a:hover {
  text-decoration-color: var(--accent);
}

ul.links p {
  margin: 0.4rem 0 0;
  color: var(--text-dim);
  font-size: 0.9375rem;
}

.badge {
  margin-left: 0.6rem;
  padding: 0.1rem 0.45rem;
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  vertical-align: 0.1em;
}

.badge.planned {
  border-color: var(--warn);
  color: var(--warn);
}

/* ── verification table ─────────────────────────────────────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th,
td {
  padding: 0.7rem 0.6rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

td code {
  color: var(--text-dim);
  overflow-wrap: anywhere;
}

td code.snippet {
  color: var(--accent);
}

/* ── footer ─────────────────────────────────────────────────────────────── */

footer {
  padding-top: 2.5rem;
  color: var(--text-dim);
  font-size: 0.875rem;
}

footer p {
  margin: 0 0 0.5rem;
}

.provenance {
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  opacity: 0.8;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-raised: #f6f8fa;
    --border: #d6dee7;
    --text: #10161d;
    --text-dim: #4d5b6b;
    --accent: #10645c;
    --accent-dim: #7fbdb6;
    --warn: #8a5b00;
  }
}