:root {
  --navy: #0f1b2d;
  --navy-2: #16263d;
  --blue: #2563eb;
  --ink: #1a2332;
  --muted: #5b6677;
  --line: #e5e9f0;
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --max: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { font-weight: 700; font-size: 1.15rem; color: var(--navy); }
.brand span { color: var(--blue); }
nav.site a { color: var(--ink); margin-left: 20px; font-size: 0.95rem; }
nav.site a:hover { color: var(--blue); text-decoration: none; }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 88px 0 80px;
}
.hero h1 { font-size: 2.6rem; line-height: 1.15; margin: 0 0 16px; font-weight: 800; }
.hero p.lead { font-size: 1.2rem; color: #c7d3e6; margin: 0 0 28px; max-width: 620px; }
.btn {
  display: inline-block; background: var(--blue); color: #fff;
  padding: 12px 22px; border-radius: 8px; font-weight: 600; margin-right: 12px;
}
.btn:hover { background: #1d4ed8; text-decoration: none; }
.btn.ghost { background: transparent; border: 1px solid #3a4d6b; color: #dce6f5; }

/* Sections */
section { padding: 56px 0; }
section.soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: 1.6rem; color: var(--navy); margin: 0 0 18px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature h3 { margin: 0 0 6px; font-size: 1.05rem; color: var(--navy); }
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Legal / doc pages */
.doc { padding: 48px 0 72px; }
.doc h1 { font-size: 2rem; color: var(--navy); margin: 0 0 4px; }
.doc .updated { color: var(--muted); font-size: 0.9rem; margin: 0 0 32px; }
.doc h2 { font-size: 1.2rem; margin: 32px 0 8px; }
.doc p, .doc li { color: var(--ink); }
.doc ul { padding-left: 22px; }

/* Footer */
footer.site {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 32px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer.site a { margin-right: 16px; }

@media (max-width: 700px) {
  .features { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  nav.site a { margin-left: 12px; }
}