/* noct.systems - the NOCT palettes (Industrial dark, Traffic Day light),
   Inter for prose and JetBrains Mono for every value, square corners. */

@font-face {
  font-family: "Inter";
  src: url("fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/jetbrains-mono-var.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --page: #171717;
  --block: #272727;
  --raised: #303030;
  --well: #0d0d0d;
  --text: #cfbca4;
  --bright: #ffe6c7;
  --muted: #ada090;
  --rule: #414141;
  --rule-heavy: #6e6962;
  --accent: #ff6000;
  --accent-ink: #fa7f4e;
  --warn-ink: #e8c35a;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --page: #dedad1;
    --block: #f3f1eb;
    --raised: #e9e6de;
    --well: #c8c4bc;
    --text: #24272b;
    --bright: #0c0e10;
    --muted: #4d5257;
    --rule: #bdb7a9;
    --rule-heavy: #79756d;
    --accent: #a83f00;
    --accent-ink: #8c3608;
    --warn-ink: #714905;
  }
}

* { box-sizing: border-box; border-radius: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 400 16px/1.6 var(--sans);
}
a { color: var(--accent-ink); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
code, .mono { font-family: var(--mono); font-size: 0.9em; }
code { background: var(--well); color: var(--bright); padding: 1px 5px; overflow-wrap: anywhere; }
h1, h2, h3 { color: var(--bright); line-height: 1.2; text-wrap: balance; }
h1 { font-size: 34px; margin: 0 0 10px; letter-spacing: -0.01em; }
h2 { font-size: 21px; margin: 0 0 12px; }
h3 { font-size: 16px; margin: 0 0 6px; }
p, li { max-width: 70ch; }

.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }

header.site { border-bottom: 1px solid var(--rule); background: var(--block); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
header.site img { height: 32px; width: auto; display: block; }
.logo-light { display: none; }
@media (prefers-color-scheme: light) { .logo-dark { display: none; } .logo-light { display: block; } }
header.site nav { display: flex; gap: 20px; font: 500 13px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
header.site nav a { color: var(--muted); text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; }
header.site nav a[aria-current="page"] { color: var(--bright); border-bottom-color: var(--accent); }

main { padding: 40px 0 64px; display: flex; flex-direction: column; gap: 40px; }
section { display: flex; flex-direction: column; gap: 14px; }
.eyebrow { font: 500 12px/1.2 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.lede { font-size: 18px; color: var(--text); max-width: 64ch; }
.rule { border-top: 1px solid var(--rule-heavy); padding-top: 14px; }

.block { background: var(--block); border-top: 2px solid var(--rule-heavy); padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.block.primary { border-top-color: var(--accent); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }

.button {
  display: inline-flex; align-items: center; gap: 10px; align-self: flex-start;
  background: var(--accent); color: #fff; text-decoration: none;
  font: 600 15px/1 var(--sans); padding: 14px 18px;
}
.button:hover { filter: brightness(1.08); }
.button small { font: 400 12px/1 var(--mono); opacity: 0.85; }
.button.quiet { background: var(--raised); color: var(--bright); border: 1px solid var(--rule-heavy); }

.hash { font: 400 12.5px/1.5 var(--mono); background: var(--well); color: var(--bright); padding: 10px 12px; overflow-wrap: anywhere; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; font-size: 14.5px; }
.facts dt { font: 500 12px/1.9 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 0; }
ol.steps { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 10px; }
ul.tight { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.note { border-left: 3px solid var(--warn-ink); background: var(--raised); padding: 12px 14px; }
.chip { display: inline-block; font: 600 11px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 7px; background: var(--well); color: var(--accent-ink); vertical-align: middle; }

footer.site { border-top: 1px solid var(--rule); color: var(--muted); font-size: 13px; padding: 24px 0 40px; }
footer.site p { margin: 4px 0; max-width: none; }

@media (max-width: 560px) {
  h1 { font-size: 28px; }
  .facts { grid-template-columns: 1fr; }
  .facts dt { line-height: 1.2; margin-top: 6px; }
}