/* ============================================================
   antenna.sh — legal pages (privacy, terms, data deletion).
   Derived from the R2 "studio revision" canon the landing page
   uses; semantic vars mirrored verbatim — derive, don't fork.
   Daylight only: a legal page is a document, not a stage.
   ============================================================ */
@font-face {
  font-family: "Geist Sans";
  src: url("/fonts/Geist[wght].woff2") format("woff2");
  font-weight: 100 900; font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/fonts/GeistMono[wght].woff2") format("woff2");
  font-weight: 100 900; font-display: swap;
}

:root {
  --paper-0: #FBFBFA; --paper-50: #F4F4F2; --paper-100: #F0F0EC; --paper-200: #DBDBD6;
  --paper-300: #C2C2BC; --paper-400: #97978F; --paper-500: #7B7B74;
  --graphite-600: #5C5D57; --graphite-700: #3F403B; --graphite-800: #262624;
  --graphite-900: #161615; --ink: #111210;
  --volt-500: #CDF500; --volt-600: #9FBE00; --volt-800: #4F5A00;

  --font-sans: "Geist Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;
  --text-small: 0.875rem;
  --text-label: 0.78125rem;
  --tracking-label: 0.08em;
  --radius-sm: 6px; --radius: 8px; --radius-lg: 12px; --radius-full: 999px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --fast: 150ms var(--ease-out);

  --bg: var(--paper-50); --bg-panel: var(--paper-0); --bg-sunken: var(--paper-100);
  --text: var(--ink); --text-muted: var(--graphite-600); --text-faint: var(--paper-500);
  --accent: var(--volt-800); --accent-fill: var(--volt-500);
  --border: var(--paper-300);
  --border-subtle: color-mix(in srgb, var(--paper-300) 55%, var(--paper-100));
  --shadow-1: 0 1px 2px color-mix(in srgb, var(--ink) 5%, transparent);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 10;
  background: var(--ink); color: var(--paper-0); padding: 10px 16px; border-radius: var(--radius);
}
.skip:focus { left: 12px; top: 12px; }

/* ---- top bar ----
   Mirrors the landing page's .topbar / .lockup verbatim so the header is the
   same object on every page of the site: same 60px bar, same blur, same
   lockup geometry. The mark and wordmark are the canon artwork masked in
   currentColor — never re-rendered from a font, and never rescaled off-ratio
   (the mark is 29x38, NOT a square). Change these together with index.html. */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 93%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 60px; }

/* currentColor artwork via CSS mask (canon: never re-render from a font) */
.mark { display: inline-block; background: currentColor;
  -webkit-mask: url("/assets/antenna-mark.svg") center / contain no-repeat;
  mask: url("/assets/antenna-mark.svg") center / contain no-repeat; }
.word { display: inline-block; background: currentColor;
  -webkit-mask: url("/assets/antenna-wordmark.svg") center / contain no-repeat;
  mask: url("/assets/antenna-wordmark.svg") center / contain no-repeat; }

.lockup { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; }
.lockup .mark { width: 29px; height: 38px; }
.lockup .word { width: 142px; height: 39px; }

.topnav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.topnav a {
  font-size: var(--text-small); color: var(--text-muted); text-decoration: none;
  padding: 8px 12px; border-radius: var(--radius); transition: color var(--fast), background var(--fast);
}
.topnav a:hover { color: var(--text); background: var(--paper-200); }
.topnav a[aria-current="page"] { color: var(--text); }

@media (max-width: 480px) {
  .topbar-inner { gap: 12px; }
  .lockup .word { width: 118px; height: 32px; }
  .topnav a { padding: 8px 9px; }
}

/* ---- document ---- */
main { max-width: 780px; margin: 0 auto; padding: 56px 24px 96px; }

.eyebrow {
  font-family: var(--font-mono); font-size: var(--text-label);
  letter-spacing: var(--tracking-label); text-transform: uppercase;
  color: var(--accent); margin: 0 0 12px;
}
h1 {
  font-size: clamp(2rem, 4.6vw, 2.9rem); line-height: 1.1; letter-spacing: -0.025em;
  margin: 0 0 16px; font-weight: 600;
}
.lede { font-size: 1.15rem; color: var(--text-muted); margin: 0 0 28px; }
.stamp {
  display: flex; flex-wrap: wrap; gap: 8px 20px;
  font-family: var(--font-mono); font-size: var(--text-label);
  color: var(--text-faint); border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle); padding: 14px 0; margin: 0 0 40px;
}

h2 {
  font-size: 1.35rem; line-height: 1.3; letter-spacing: -0.015em; font-weight: 600;
  margin: 48px 0 14px; scroll-margin-top: 76px;
}
h2 .num { color: var(--text-faint); font-family: var(--font-mono); font-size: 0.9rem; margin-right: 10px; }
h3 { font-size: 1.05rem; font-weight: 600; margin: 28px 0 10px; }
p { margin: 0 0 16px; }
ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin-bottom: 8px; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--volt-600); }
strong { font-weight: 600; }
code, .mono { font-family: var(--font-mono); font-size: 0.92em; }

/* ---- table of contents ---- */
.toc {
  background: var(--bg-panel); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 20px 24px; margin: 0 0 8px;
  box-shadow: var(--shadow-1);
}
.toc h2 { margin: 0 0 12px; font-size: var(--text-label); font-family: var(--font-mono);
  letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-faint); }
.toc ol { columns: 2; column-gap: 32px; margin: 0; padding-left: 20px; font-size: var(--text-small); }
.toc a { color: var(--text-muted); text-decoration: none; }
.toc a:hover { color: var(--accent); text-decoration: underline; }
@media (max-width: 620px) { .toc ol { columns: 1; } }

/* ---- callouts + tables ---- */
.note {
  background: var(--bg-panel); border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-fill);
  border-radius: var(--radius); padding: 16px 20px; margin: 0 0 20px;
}
.note p:last-child { margin-bottom: 0; }

.tw { overflow-x: auto; margin: 0 0 20px; }
table { width: 100%; border-collapse: collapse; font-size: var(--text-small); min-width: 460px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border-subtle); vertical-align: top; }
th {
  font-family: var(--font-mono); font-size: var(--text-label);
  letter-spacing: var(--tracking-label); text-transform: uppercase;
  color: var(--text-faint); font-weight: 400; background: var(--bg-sunken);
}

/* ---- steps ---- */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0 0 24px; }
.steps > li {
  counter-increment: step; position: relative; padding-left: 46px; margin-bottom: 22px;
}
.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: 1px;
  width: 30px; height: 30px; border-radius: var(--radius-full);
  background: var(--accent-fill); color: var(--ink);
  font-family: var(--font-mono); font-size: var(--text-small); font-weight: 600;
  display: grid; place-items: center;
}

/* ---- footer ---- */
footer {
  border-top: 1px solid var(--border-subtle); background: var(--bg-sunken);
  padding: 32px 24px 40px;
}
.foot-in {
  max-width: 780px; margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center;
  font-size: var(--text-small); color: var(--text-muted);
}
.foot-in a { color: var(--text-muted); }
.foot-in .sep { color: var(--border); }

@media print {
  .topbar, .toc, footer { display: none; }
  body { background: #fff; font-size: 11pt; }
  main { max-width: none; padding: 0; }
}