/* CosmicForge Labs — shared stylesheet
   Plain, utilitarian, light with a dark-mode variant.
   No webfonts: one less external request, and it renders the same on
   locked-down machines where font CDNs are often blocked. */

:root {
  --bg: #ffffff;
  --bg-soft: #f5f6f7;
  --text: #16181d;
  --muted: #5c6270;
  --line: #d7dae0;
  --line-soft: #e6e8ec;
  --link: #0b4fb4;
  --link-hover: #093c88;
  --warn: #8a5a00;
  --warn-bg: #fdf7e8;
  --warn-line: #e6cf96;
  --maxw: 820px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b;
    --bg-soft: #1d2026;
    --text: #e4e7ec;
    --muted: #9aa2af;
    --line: #333944;
    --line-soft: #272c34;
    --link: #79aeff;
    --link-hover: #a3c7ff;
    --warn: #e2b562;
    --warn-bg: #241f14;
    --warn-line: #4a3c1e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--link); }
a:hover { color: var(--link-hover); }

/* ---------- header ---------- */

.site-head {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.site-head .wrap {
  display: flex;
  align-items: baseline;
  gap: 10px 20px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand .dim { font-weight: 400; color: var(--muted); }

.nav {
  margin-left: auto;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--text); text-decoration: underline; }
.nav a[aria-current="page"] { color: var(--text); font-weight: 600; }

/* ---------- hero ---------- */

.hero { padding: 40px 0 8px; }

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 5vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.hero .lede {
  margin: 0;
  max-width: 68ch;
  font-size: 1.05rem;
  color: var(--muted);
}

.eyebrow {
  display: block;
  margin: 0 0 10px;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ---------- sections ---------- */

.section { padding: 28px 0 48px; }

.section-title {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
  margin: 0 0 4px;
}

/* ---------- product list (index) ---------- */

.products { list-style: none; margin: 0; padding: 0; }

.products li {
  border-top: 1px solid var(--line-soft);
  padding: 20px 0;
}

.products li:first-child { border-top: 1px solid var(--line); }

.p-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.p-head h3 { margin: 0; font-size: 1.1rem; font-weight: 700; }
.p-head h3 a { text-decoration: none; }
.p-head h3 a:hover { text-decoration: underline; }

.status { font-size: 0.85rem; color: var(--muted); white-space: nowrap; }

.products p { margin: 0 0 10px; color: var(--muted); max-width: 70ch; }

.p-links { font-size: 0.92rem; }
.p-links a { margin-right: 14px; }

/* ---------- prose ---------- */

.prose > * { max-width: 72ch; }

.prose h2 {
  margin: 34px 0 10px;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-soft);
}

.prose p { margin: 0 0 14px; }
.prose ul { margin: 0 0 16px; padding-left: 22px; }
.prose li { margin-bottom: 8px; }

/* ---------- code, callouts, specs ---------- */

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  padding: 1px 5px;
}

.callout {
  border: 1px solid var(--line);
  border-left: 3px solid var(--muted);
  background: var(--bg-soft);
  padding: 14px 18px;
  margin: 22px 0;
  font-size: 0.96rem;
}

.callout.warn {
  border-color: var(--warn-line);
  border-left-color: var(--warn);
  background: var(--warn-bg);
}

.callout p { margin: 0; }

.specs { margin: 20px 0; border-top: 1px solid var(--line); }

.specs div {
  display: flex;
  gap: 8px 20px;
  flex-wrap: wrap;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.94rem;
}

.specs dt { flex: 0 0 170px; color: var(--muted); margin: 0; }
.specs dd { margin: 0; flex: 1 1 200px; }

/* ---------- buttons / actions ---------- */

.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin: 20px 0 8px;
}

.btn {
  display: inline-block;
  padding: 9px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-soft);
  color: var(--text);
}

.btn:hover { border-color: var(--muted); color: var(--text); }

.btn-primary {
  background: var(--link);
  border-color: var(--link);
  color: #fff;
}

.btn-primary:hover { background: var(--link-hover); border-color: var(--link-hover); color: #fff; }

.btn-sub {
  display: block;
  font-size: 0.87rem;
  color: var(--muted);
  margin-top: 2px;
}

/* ---------- footer ---------- */

.site-foot {
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-foot .wrap { display: flex; gap: 14px 32px; flex-wrap: wrap; }
.site-foot a { color: var(--muted); }
.site-foot a:hover { color: var(--text); }
.site-foot .legal { margin-left: auto; }

/* In dark mode the accent is a light blue, so the primary button needs dark
   text on it — white would fall to about 1.9:1 contrast. */
@media (prefers-color-scheme: dark) {
  .btn-primary,
  .btn-primary:hover { color: #10131a; }
}

@media (max-width: 640px) {
  .hero { padding: 30px 0 4px; }
  .nav { margin-left: 0; gap: 14px; }
  .site-foot .legal { margin-left: 0; }
  .specs dt { flex-basis: 100%; }
}