:root {
  color-scheme: dark;
  --bg: #08111f;
  --surface: rgba(17, 30, 52, 0.78);
  --surface-strong: #14233b;
  --text: #f5f8ff;
  --muted: #aebbd0;
  --accent: #78e6c4;
  --accent-2: #68a7ff;
  --line: rgba(174, 187, 208, 0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(104, 167, 255, 0.18), transparent 32rem),
    radial-gradient(circle at 86% 20%, rgba(120, 230, 196, 0.12), transparent 28rem),
    var(--bg);
  line-height: 1.65;
}

a { color: var(--accent); }

.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  color: #07131d;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 36px rgba(104, 167, 255, 0.22);
}

nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a, footer a { color: var(--muted); text-decoration: none; }
nav a:hover, footer a:hover { color: var(--text); }

.hero { padding: 90px 0 70px; max-width: 820px; }
.eyebrow { color: var(--accent); font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.82rem; }
h1 { margin: 14px 0 22px; max-width: 800px; font-size: clamp(3rem, 8vw, 6.5rem); line-height: 0.98; letter-spacing: -0.065em; }
.lead { max-width: 700px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.status { display: inline-flex; margin-top: 26px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: rgba(8, 17, 31, 0.55); }
.status::before { content: ""; width: 8px; height: 8px; margin: 9px 10px 0 0; border-radius: 50%; background: var(--accent); box-shadow: 0 0 16px var(--accent); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 24px 0 90px; }
.card { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: 26px; background: var(--surface); backdrop-filter: blur(14px); }
.card span { color: var(--accent); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.12em; }
.card h2 { margin: 34px 0 10px; font-size: 1.35rem; }
.card p { margin: 0; color: var(--muted); }

.document { max-width: 820px; padding: 62px 0 100px; }
.document h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
.document h2 { margin-top: 38px; font-size: 1.35rem; }
.document p, .document li { color: var(--muted); }
.document strong { color: var(--text); }
.notice { margin: 28px 0; padding: 18px 20px; border-left: 3px solid var(--accent); border-radius: 0 14px 14px 0; background: var(--surface); color: var(--muted); }

footer { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding: 28px 0 44px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 760px) {
  header { align-items: flex-start; flex-direction: column; }
  .hero { padding-top: 58px; }
  .grid { grid-template-columns: 1fr; }
  .card { min-height: 0; }
}