:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #626b7a;
  --blue: #3157e6;
  --blue-dark: #2444bb;
  --line: #dfe4ec;
  --surface: #f6f8fc;
  --white: #fff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--blue-dark); }

.site-header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 40px));
  margin: auto;
  padding: 22px 0;
}

.site-header { border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font-weight: 750; text-decoration: none; }
nav { display: flex; gap: 20px; }
nav a { color: var(--muted); text-decoration: none; }

main { width: min(1120px, calc(100% - 40px)); margin: auto; }
.hero { padding: 96px 0 76px; max-width: 850px; }
.eyebrow { color: var(--blue); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
h1 { max-width: 920px; margin: 10px 0 20px; font-size: clamp(2.35rem, 6vw, 4.6rem); line-height: 1.04; letter-spacing: -.045em; }
.lead { max-width: 760px; color: var(--muted); font-size: 1.22rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-block; padding: 12px 18px; border: 1px solid var(--blue); border-radius: 7px; font-weight: 700; text-decoration: none; }
.button.primary { color: var(--white); background: var(--blue); }
.button.primary:hover { background: var(--blue-dark); }
.button.secondary { color: var(--blue); background: var(--white); }
.section { padding: 64px 0; border-top: 1px solid var(--line); }
.section h2, .policy h2 { margin-top: 0; font-size: 1.8rem; line-height: 1.2; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.card h3 { margin-top: 0; }
.notice { max-width: 820px; }
.policy { max-width: 820px; padding: 72px 0; }
.policy h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
.policy h2 { margin-top: 42px; }
footer { margin-top: 30px; border-top: 1px solid var(--line); color: var(--muted); }

@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }
  .site-header, footer { align-items: flex-start; flex-direction: column; }
}