:root {
  --bg: #F7FAFE;
  --surface: #FFFFFF;
  --ink: #12233D;
  --ink2: #5B6B82;
  --line: #E3EBF5;
  --brand: #2E6FD0;
  --brand-soft: #9FC6EE;
  --brand-deep: #1B4FA8;
  --radius: 22px;
  font-family: ui-rounded, "SF Pro Rounded", "Arial Rounded MT Bold", "Nunito", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0C1422;
    --surface: #131E30;
    --ink: #EAF1FB;
    --ink2: #9AABC3;
    --line: #22314A;
    --brand: #7FB0EC;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6; }
a { color: var(--brand); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }

header.top { padding: 20px 0; }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; font-size: 22px; }
.brand img { width: 34px; height: 34px; }
nav.links { display: flex; gap: 16px; font-size: 15px; flex-wrap: wrap; }
nav.links a { color: var(--ink2); text-decoration: none; }
nav.links a:hover { color: var(--ink); }

.hero { padding: 48px 0 32px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(36px, 6vw, 58px); line-height: 1.05; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero h1 span { color: var(--brand); }
.hero p.lead { font-size: 19px; color: var(--ink2); margin: 0 0 28px; max-width: 34em; }
.hero .art { display: flex; justify-content: center; }
.hero .art img { width: min(300px, 70vw); border-radius: 22%; box-shadow: 0 30px 60px -20px rgba(27, 79, 168, .45); }

.btn { display: inline-flex; align-items: center; gap: 10px; background: var(--ink); color: var(--bg); text-decoration: none;
  padding: 14px 22px; border-radius: 999px; font-weight: 700; font-size: 16px; }
.btn.soon { background: var(--brand); color: #fff; }
.note { font-size: 14px; color: var(--ink2); margin-top: 12px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 24px 0 64px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 10px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--ink2); font-size: 15px; }
.dot { width: 36px; height: 36px; border-radius: 12px; background: var(--brand-soft); display: grid; place-items: center; font-size: 18px; }

article.doc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; margin: 16px 0 56px; }
article.doc h1 { margin-top: 0; font-size: 34px; letter-spacing: -0.01em; }
article.doc h2 { font-size: 21px; margin-top: 32px; }
article.doc .meta { color: var(--ink2); font-size: 14px; }
article.doc li { margin: 6px 0; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--ink2); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--ink2); }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 24px; text-align: left; }
  .hero .art { order: -1; justify-content: flex-start; }
  .hero .art img { width: 120px; }
  .features { grid-template-columns: 1fr; }
  article.doc { padding: 22px; }
  nav.links { gap: 12px; font-size: 14px; }
}