:root { --navy: #1b3c7c; --brand: #3d7ee8; --accent: #f07a4a; --bg: #f5f7fb; --ink: #17213a; --muted: #66718a; --line: #e3e8f1; color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--brand); }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 1040px; margin: 0 auto; padding: 20px 16px; }
.top img { height: 40px; width: auto; }
.top nav { display: flex; align-items: center; gap: 16px; }
.btn { display: inline-block; background: var(--navy); color: #fff; text-decoration: none; padding: 8px 16px; border-radius: 10px; font-weight: 600; }
.btn.big { background: var(--accent); padding: 12px 22px; font-size: 17px; }
main { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.hero { padding: 56px 0 40px; max-width: 720px; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 16px; color: var(--navy); }
.hero p { color: var(--muted); font-size: 18px; margin: 0 0 28px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; padding-bottom: 56px; }
.grid article { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.grid h2 { font-size: 18px; margin: 0 0 8px; color: var(--navy); }
.grid p { margin: 0; color: var(--muted); }
footer { text-align: center; color: var(--muted); padding: 24px 16px 40px; font-size: 14px; }