/* Shared "2049 amber" theme for every page of this project, matching pedro1-21gw.github.io.
   Pages link this file, then add their own layout rules on top using these tokens. */
@import url("https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600&family=Geist+Mono:wght@400;500&display=swap");

:root {
  --bg: #0a0807;
  --surface: rgba(255, 255, 255, .025);
  --text: #efe8e1;
  --soft: #d8d2cc;
  --muted: #9b9088;
  --line: rgba(255, 170, 100, .14);
  --accent: #ff9d4d;
  --tag-bg: rgba(255, 157, 77, .09);
  --sans: "Geist", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; color: var(--text); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(1100px 520px at 50% -10%, rgba(255, 135, 45, .24), transparent 65%),
    radial-gradient(900px 420px at 50% 115%, rgba(255, 90, 40, .08), transparent 70%), var(--bg);
  background-attachment: fixed;
}
main { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; padding: 28px 16px 120px; counter-reset: ch; }
a { color: inherit; text-decoration-color: var(--line); text-underline-offset: 3px; }
a:hover { color: var(--accent); text-decoration-color: currentColor; }

/* breadcrumb back to the hub */
.crumbs { display: flex; flex-wrap: wrap; gap: 4px 10px; font: .72rem/1.6 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 44px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs span[aria-hidden] { opacity: .5; }

/* headings */
.page-title { font: 400 3rem/1.05 var(--sans); letter-spacing: -0.035em; color: #fff3e6; margin: 0; }
.kicker { font: 400 .74rem/1.7 var(--mono); text-transform: uppercase; letter-spacing: .26em; color: var(--accent); margin: 14px 0 22px; }
.lede { font-size: 1.05rem; font-weight: 300; color: var(--soft); max-width: 660px; margin: 0 0 24px; }
.ch { font: 400 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .32em; color: var(--text);
      margin: 72px 0 22px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.ch::before { content: ""; display: inline-block; width: 18px; height: 1px; background: var(--accent); vertical-align: middle; margin-right: 12px; }

/* cards, tags, buttons */
.card { display: block; padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); transition: border-color .2s, box-shadow .2s; }
.card:hover { border-color: var(--accent); box-shadow: 0 0 28px rgba(255, 157, 77, .16); }
.tag { font: 400 .7rem/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--accent); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 8px 0 0; list-style: none; }
.tags li { background: var(--tag-bg); color: var(--muted); font-size: .78rem; padding: 2px 9px; border-radius: 999px; }
button { font: inherit; font-size: .95rem; border: 1px solid var(--line); background: var(--surface); color: var(--text); padding: 9px 16px; border-radius: 8px; cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--accent); }
button.primary { background: var(--accent); color: #1a0f07; border-color: var(--accent); font-weight: 500; }
button:disabled { opacity: .45; cursor: default; }
select { font: inherit; font-size: .85rem; background: #15100d; color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: .88rem; font-variant-numeric: tabular-nums; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-weight: 500; color: var(--muted); }
.scroll { overflow-x: auto; }

footer { margin-top: 80px; color: var(--muted); font-size: .85rem; }

/* film grain */
.grain { position: fixed; inset: -50%; z-index: 2; pointer-events: none; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(4) infinite; }
@keyframes grain { 25% { transform: translate(-3%, 2%); } 50% { transform: translate(2%, -3%); } 75% { transform: translate(-2%, -1%); } }

@media (max-width: 600px) { .page-title { font-size: 2.3rem; } }
@media (prefers-reduced-motion: reduce) { .grain { animation: none; } }