:root {
  --navy: #07111F;
  --navy-2: #0D1B2E;
  --line: #1E2E45;
  --text: #EAF0F7;
  --muted: #9AA8BA;
  --blue: #35A7FF;
  --cyan: #3FD5E6;
  --max: 1080px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--navy); color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
header.top img { height: 20px; display: block; }
header.top nav a { color: var(--muted); margin-left: 24px; font-size: 15px; }
header.top nav a:hover { color: var(--text); text-decoration: none; }

.hero { text-align: center; padding: 88px 0 72px;
  background: radial-gradient(ellipse at 50% 0%, #11304F 0%, var(--navy) 62%); }
.hero .mark { width: 128px; margin: 0 auto 28px; display: block; }
.hero .wordmark { width: min(460px, 80vw); display: block; margin: 0 auto; }
.hero .product { letter-spacing: .38em; font-size: 15px; font-weight: 600; margin: 18px 0 6px; }
.hero .tagline { color: var(--blue); letter-spacing: .18em; font-size: 12px; font-weight: 600; text-transform: uppercase; margin: 0; }
.hero h1 { font-size: clamp(28px, 4.4vw, 44px); line-height: 1.2; margin: 44px auto 16px; max-width: 760px; font-weight: 700; }
.hero p.lead { color: var(--muted); font-size: 19px; max-width: 640px; margin: 0 auto 32px; }
.button { display: inline-block; background: var(--cyan); color: #00131A; font-weight: 700;
  padding: 14px 26px; border-radius: 12px; }
.button:hover { text-decoration: none; filter: brightness(1.08); }

section { padding: 72px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 30px; margin: 0 0 12px; }
section p.sub { color: var(--muted); max-width: 680px; margin: 0 0 36px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card { background: var(--navy-2); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.card .num { color: var(--cyan); font-weight: 700; font-size: 13px; letter-spacing: .12em; }
.card h3 { margin: 8px 0 8px; font-size: 20px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
ul.plain { padding-left: 20px; color: var(--muted); }
ul.plain li { margin: 6px 0; }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
footer img { height: 14px; display: block; }
footer nav a { color: var(--muted); margin-right: 20px; }

.doc { padding: 56px 0 72px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: 36px; margin: 0 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 32px; font-size: 15px; }
.doc h2 { font-size: 22px; margin: 36px 0 8px; }
.doc p, .doc li { color: #C9D4E2; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
.doc th, .doc td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--text); }
.note { background: var(--navy-2); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; }

@media (max-width: 560px) {
  header.top img { height: 13px; }
  header.top nav a { margin-left: 14px; font-size: 14px; }
  .hero { padding: 64px 0 56px; }
  section { padding: 56px 0; }
}