:root {
  --bg: #EAF4FF; --ink: #0A2540; --accent: #0B63CE; --card: #FFFFFF; --muted: #4D6A88;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--accent); }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; justify-content: space-between; padding-top: 28px; flex-wrap: wrap; gap: 12px; }
.brand { font-weight: 800; font-size: 20px; letter-spacing: .02em; text-decoration: none; color: var(--ink); }
nav a { margin-left: 16px; text-decoration: none; font-weight: 600; }
nav a:first-child { margin-left: 0; }
h1 { font-size: 40px; line-height: 1.15; margin: 48px 0 12px; }
h2 { font-size: 24px; margin: 36px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 4px; }
.lead { font-size: 20px; color: var(--muted); }
.card { background: var(--card); border-radius: 20px; padding: 20px 22px; margin: 16px 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.grid .card { margin: 0; }
.lang { font-size: 14px; color: var(--muted); }
hr { border: 0; border-top: 1px solid color-mix(in srgb, var(--ink) 15%, transparent); margin: 56px 0; }
footer { padding: 40px 20px 56px; font-size: 14px; color: var(--muted); }
.button { display: inline-block; background: var(--accent); color: var(--card); padding: 12px 22px;
  border-radius: 999px; font-weight: 700; text-decoration: none; margin-top: 8px; }