:root {
  --ink: #f5f5f6;
  --muted: #9b9ba1;
  --line: #29292d;
  --ground: #0a0a0b;
  --surface: #111113;
  --accent: #b9c6ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--ground);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  margin: 0;
}

main, footer { margin: 0 auto; max-width: 1240px; }
.skip-link { background: var(--ink); color: var(--ground); left: 16px; padding: 10px 14px; position: fixed; top: -52px; z-index: 2; }
.skip-link:focus { top: 16px; }
.intro { display: flex; flex-direction: column; justify-content: space-between; min-height: 100svh; padding: 24px; }
.topline, .signal-grid, footer { align-items: center; display: flex; justify-content: space-between; }
.wordmark, .status, .eyebrow, .section-label, footer, dt, .return-link {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.wordmark { color: var(--ink); text-decoration: none; }
.status { align-items: center; color: var(--muted); display: inline-flex; gap: 8px; }
.status i { background: var(--accent); height: 6px; width: 6px; }
.hero { padding: 76px 0 58px; }
.eyebrow, .section-label { color: var(--accent); margin: 0 0 18px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-weight: 500; letter-spacing: 0; }
h1 { font-size: clamp(62px, 12vw, 148px); line-height: .88; margin-bottom: 32px; }
.lead { color: var(--muted); font-size: 17px; margin-bottom: 0; max-width: 450px; }
.signal-grid { align-items: flex-start; border-top: 1px solid var(--line); gap: 16px; margin: 0; padding-top: 18px; }
.signal-grid div { display: grid; gap: 5px; }
dt { color: var(--muted); }
dd { font-size: 12px; margin: 0; }
.section { border-top: 1px solid var(--line); display: grid; gap: 20px; grid-template-columns: 1fr; padding: 58px 24px; }
.section-content { max-width: 690px; }
h2 { font-size: clamp(34px, 5.2vw, 62px); line-height: 1.02; margin-bottom: 26px; }
.section-content > p { color: var(--muted); font-size: 17px; margin-bottom: 0; max-width: 550px; }
ol { border-top: 1px solid var(--line); list-style: none; margin: 34px 0 0; padding: 0; }
li { border-bottom: 1px solid var(--line); display: grid; gap: 16px; grid-template-columns: 44px 1fr; padding: 21px 0; }
li > span { color: var(--accent); font-family: "SFMono-Regular", Consolas, monospace; font-size: 10px; letter-spacing: .08em; padding-top: 4px; }
h3 { font-size: 17px; font-weight: 600; margin-bottom: 7px; }
li p { color: var(--muted); font-size: 15px; margin-bottom: 0; }
.contact { background: var(--surface); }
.return-link { align-items: center; border-bottom: 1px solid var(--accent); color: var(--ink); display: inline-flex; gap: 18px; margin-top: 28px; min-height: 44px; text-decoration: none; }
.return-link span { color: var(--accent); font-family: Arial, sans-serif; font-size: 17px; line-height: 10px; }
footer { border-top: 1px solid var(--line); color: var(--muted); padding: 20px 24px 28px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
@media (min-width: 700px) {
  .intro { padding: 34px 48px; }
  .hero { padding: 110px 0 80px; }
  .section { gap: 48px; grid-template-columns: minmax(170px, 1fr) minmax(0, 3fr); padding: 100px 48px; }
  .section-label { padding-top: 9px; }
  footer { padding: 24px 48px 34px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }