:root {
  --bg: #f8f9fb;
  --surface: #ffffff;
  --ink: #14202e;
  --muted: #5b6776;
  --accent: #1f4e8c;
  --accent-dark: #163a6b;
  --tint: #eef2f7;
  --line: #dde3ec;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--font); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.3rem, 6vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.3rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
a { color: var(--accent); }
.wrap { width: min(1000px, 100% - 48px); margin-inline: auto; }
.narrow { max-width: 680px; }
.center { text-align: center; }
section { padding: 80px 0; }
.alt { background: var(--tint); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.8rem; font-weight: 700; color: var(--accent); margin-bottom: 12px; }
.lead { font-size: 1.25rem; color: var(--muted); max-width: 36ch; }
.note { font-size: 0.9rem; color: var(--muted); }

header.site { position: sticky; top: 0; z-index: 10; background: rgba(248, 249, 251, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.brand { font-weight: 800; font-size: 1.25rem; color: var(--ink); text-decoration: none; }
.brand span { font-weight: 400; color: var(--accent); margin-left: 6px; }
header nav { display: flex; gap: 24px; align-items: center; }
header nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
@media (max-width: 600px) { header nav a:not(.btn) { display: none; } }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 999px; background: var(--accent); color: #fff; font: 600 1rem var(--font); text-decoration: none; border: 1px solid var(--accent); margin: 0 8px 8px 0; }
.btn:hover { background: var(--accent-dark); }
.btn.small { min-height: 40px; padding: 0 18px; font-size: 0.9rem; margin: 0; }
.btn.outline { background: transparent; color: var(--accent); }
.btn.outline:hover { background: var(--tint); }
.btn:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.hero { padding: 96px 0 104px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 28px; margin-top: 28px; box-shadow: 0 8px 24px rgba(20, 32, 46, 0.06); }
.card p { color: var(--muted); }

footer.site { border-top: 1px solid var(--line); padding: 36px 0; color: var(--muted); font-size: 0.92rem; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
footer.site nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }