:root {
  color-scheme: light dark;
  --ink: #101126;
  --muted: #626477;
  --surface: rgba(255, 255, 255, .72);
  --stroke: rgba(255, 255, 255, .72);
  --purple: #5940e0;
  --aqua: #52ddc8;
  --bg: #f3f4fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 4%, rgba(82, 221, 200, .32), transparent 28rem),
    radial-gradient(circle at 14% 86%, rgba(116, 74, 238, .24), transparent 34rem),
    var(--bg);
}

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

.wrap {
  width: min(940px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
}

.mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: white;
  font-size: 21px;
  font-weight: 800;
  background: linear-gradient(145deg, #103262, #5642dd 62%, #d249c7);
  box-shadow: 0 10px 28px rgba(50, 39, 142, .22);
}

nav { display: flex; gap: 18px; }
nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 650; }

.hero { padding: 82px 0 56px; }
.eyebrow { color: var(--purple); font-weight: 750; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
h1 { max-width: 780px; margin: 12px 0 18px; font-size: clamp(44px, 8vw, 82px); line-height: .98; letter-spacing: -.055em; }
.lead { max-width: 650px; color: var(--muted); font-size: clamp(18px, 3vw, 23px); line-height: 1.45; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 18px 0 80px; }
.card, .document {
  border: 1px solid var(--stroke);
  background: var(--surface);
  backdrop-filter: blur(28px) saturate(150%);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  box-shadow: 0 18px 60px rgba(31, 33, 65, .08);
}
.card { padding: 24px; border-radius: 26px; }
.card h2 { font-size: 18px; margin: 4px 0 8px; }
.card p { margin: 0; color: var(--muted); line-height: 1.55; }

.document { margin: 38px auto 72px; padding: clamp(24px, 6vw, 58px); border-radius: 30px; }
.document h1 { font-size: clamp(36px, 7vw, 62px); }
.document h2 { margin-top: 34px; font-size: 21px; }
.document p, .document li { color: var(--muted); line-height: 1.65; }

footer { padding: 24px 0 44px; color: var(--muted); font-size: 13px; }

@media (max-width: 700px) {
  nav { gap: 11px; }
  nav a { font-size: 12px; }
  .hero { padding-top: 54px; }
  .grid { grid-template-columns: 1fr; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f1fb;
    --muted: #aaa9bb;
    --surface: rgba(23, 24, 43, .72);
    --stroke: rgba(255, 255, 255, .10);
    --purple: #a997ff;
    --bg: #080916;
  }
}