:root {
  color-scheme: dark;
  --ink: #f1f5ef;
  --muted: #aab4ad;
  --deep: #07100f;
  --panel: #0b1715;
  --line: rgba(223, 242, 232, .16);
  --aqua: #8fe8d0;
  --violet: #9d90ff;
  --max: 78rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--deep);
  color: var(--ink);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 20; background: var(--ink); color: var(--deep); padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: 1.5rem 0;
}
.wordmark { font-weight: 800; letter-spacing: .18em; text-decoration: none; }
nav { display: flex; gap: clamp(.8rem, 2vw, 2rem); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: grid;
  align-content: center;
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  overflow: hidden;
  padding: 7rem 0 4rem;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0 -20vw;
  z-index: -2;
  background: radial-gradient(circle at 72% 46%, rgba(75, 205, 170, .13), transparent 27%), radial-gradient(circle at 75% 50%, rgba(131, 89, 255, .12), transparent 38%);
}
.orb {
  position: absolute;
  z-index: -1;
  right: 4%;
  top: 22%;
  width: min(45vw, 32rem);
  aspect-ratio: 1;
  border: 1px solid rgba(180, 255, 229, .2);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(219, 255, 241, .18), transparent 13%), radial-gradient(circle at 52% 55%, rgba(83, 214, 177, .28), rgba(56, 46, 112, .2) 46%, rgba(0,0,0,.1) 67%);
  box-shadow: 0 0 6rem rgba(74, 217, 179, .1), inset -2rem -3rem 5rem rgba(0,0,0,.4);
}
.eyebrow, .section-number { color: var(--aqua); font-size: .72rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
h1, h2 { margin: 0; font-weight: 500; letter-spacing: -.055em; line-height: .93; }
h1 { max-width: 9ch; font-size: clamp(4.4rem, 12vw, 10rem); }
h2 { font-size: clamp(2.6rem, 6vw, 5.5rem); }
.hero-copy { max-width: 35rem; margin: 2rem 0; color: #d0d9d3; font-size: clamp(1.05rem, 2vw, 1.35rem); }
.text-link { width: fit-content; text-underline-offset: .4rem; }
section:not(.hero) { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; padding: clamp(5rem, 11vw, 10rem) 0; border-top: 1px solid var(--line); }
.split, .prototype-grid, .about { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(18rem, .7fr); gap: clamp(3rem, 8vw, 8rem); }
.prose { color: #c0cac3; font-size: clamp(1rem, 1.7vw, 1.2rem); }
.prose p:first-child { margin-top: 0; }
.pillars { list-style: none; margin: 5rem 0 0; padding: 0; border-top: 1px solid var(--line); }
.pillars li { display: grid; grid-template-columns: 3rem 1fr 1.6fr; gap: 1rem; align-items: baseline; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.pillars span, .pillars small { color: var(--muted); }
.pillars strong { font-size: 1.35rem; font-weight: 500; }
.integrity { background: linear-gradient(140deg, transparent, rgba(145, 121, 255, .08)); }
.integrity h2 { max-width: 12ch; }
.integrity-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 52rem; margin: 3rem 0 0 auto; color: #c0cac3; }
.status ol { list-style: none; margin: 4rem 0 0; padding: 0; counter-reset: phase; }
.status-note { max-width: 42rem; margin: 2rem 0 0 auto; padding-left: 1rem; border-left: 2px solid var(--aqua); color: var(--muted); }
.status li { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; padding: 1.5rem 0; border-top: 1px solid var(--line); color: var(--muted); }
.status li:last-child { border-bottom: 1px solid var(--line); }
.status li span { font-size: .72rem; text-transform: uppercase; letter-spacing: .15em; }
.status li strong { color: var(--ink); font-size: 1.1rem; font-weight: 500; }
.status .active span { color: var(--aqua); }
.status .complete span { color: #89a198; }
.about { align-items: start; }
.about .section-number { grid-column: 1 / -1; }
.notice { padding-left: 1rem; border-left: 2px solid var(--aqua); color: var(--ink); }
.privacy-note { font-size: .92rem; }
footer { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; padding: 3rem 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; color: var(--muted); font-size: .82rem; }
footer p:last-child { text-align: right; }
:focus-visible { outline: 2px solid var(--aqua); outline-offset: .35rem; }

@media (max-width: 48rem) {
  .site-header { align-items: flex-start; }
  nav { flex-direction: column; gap: .35rem; text-align: right; }
  .orb { right: -22%; top: 24%; width: 78vw; opacity: .75; }
  h1 { font-size: clamp(4.2rem, 21vw, 7rem); }
  .split, .prototype-grid, .about, .integrity-copy { grid-template-columns: 1fr; gap: 2.5rem; }
  .pillars li { grid-template-columns: 2.5rem 1fr; }
  .pillars small { grid-column: 2; }
  footer { grid-template-columns: 1fr; }
  footer p:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}