:root {
  color-scheme: dark;
  --bg: #070a12;
  --panel: #101624;
  --panel-soft: #0c111d;
  --text: #f5f8ff;
  --muted: #a9b5ca;
  --line: #273248;
  --cyan: #52d7ff;
  --violet: #8d7cff;
  --max: 1080px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(82, 215, 255, .12), transparent 30rem),
    radial-gradient(circle at 90% 15%, rgba(141, 124, 255, .12), transparent 26rem),
    var(--bg);
  line-height: 1.65;
}

a { color: var(--cyan); text-underline-offset: .2em; }
a:hover { color: #a8ebff; }
code { color: #c6f4ff; font-size: .92em; }

.site-header,
main,
footer {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

.site-header {
  min-height: 5.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -.02em;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid rgba(82, 215, 255, .7);
  border-radius: 50%;
  color: var(--cyan);
  box-shadow: 0 0 1.5rem rgba(82, 215, 255, .2);
}

.status,
.back {
  color: var(--muted);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero { padding: clamp(5rem, 12vw, 9rem) 0; }
.eyebrow {
  margin: 0 0 1rem;
  color: var(--cyan);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1,
h2 { line-height: 1.08; letter-spacing: -.04em; }
h1 { max-width: 14ch; margin: 0; font-size: clamp(3rem, 9vw, 6.5rem); }
h1 span { color: transparent; background: linear-gradient(90deg, var(--cyan), var(--violet)); background-clip: text; }
h2 { margin: 0 0 1rem; font-size: clamp(1.6rem, 4vw, 2.7rem); }
.lede { max-width: 720px; margin: 2rem 0; color: var(--muted); font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

.notice {
  max-width: 780px;
  margin: 2rem 0;
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: .7rem;
  background: rgba(16, 22, 36, .72);
  color: #dce7f8;
}

section { margin-bottom: clamp(5rem, 10vw, 8rem); }
.steps { margin: 2.5rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.steps li {
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) 2fr;
  gap: 2rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.steps span { color: var(--muted); }

.grid,
.link-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid article,
.link-grid a {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(150deg, rgba(16, 22, 36, .95), rgba(12, 17, 29, .86));
}
.grid article p:last-child { color: var(--muted); }
.link-grid a { display: flex; flex-direction: column; gap: .5rem; text-decoration: none; }
.link-grid strong { color: var(--text); font-size: 1.08rem; }
.link-grid span { color: var(--muted); }

.legal { max-width: 820px; padding: clamp(4rem, 10vw, 7rem) 0; }
.legal h1 { max-width: 18ch; margin-bottom: 2rem; font-size: clamp(3rem, 8vw, 5.5rem); }
.legal h2 { margin-top: 3.25rem; font-size: 1.55rem; }
.legal p,
.legal li { color: #c7d1e2; }
.legal li + li { margin-top: .8rem; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

@media (max-width: 760px) {
  .grid,
  .link-grid { grid-template-columns: 1fr; }
  .steps li { grid-template-columns: 1fr; gap: .5rem; }
  footer { flex-direction: column; }
  .status { display: none; }
}

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