:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5c6678;
  --line: #dfe4eb;
  --surface: #f6f8fb;
  --accent: #0d7a52;
  --accent-dark: #07583b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: var(--accent-dark); }
a:hover { color: var(--accent); }

.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header { border-bottom: 1px solid var(--line); background: #ffffff; }
.nav { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 780; }
.mark { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 6px; background: var(--ink); color: #ffffff; font-size: 12px; letter-spacing: 0; }
.nav-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.nav-links a { text-decoration: none; }

.hero { padding: 90px 0 70px; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 14px; color: var(--accent-dark); font-size: 13px; font-weight: 700; text-transform: uppercase; }
h1 { margin: 0; max-width: 760px; font-size: clamp(36px, 5vw, 64px); line-height: 1.07; letter-spacing: 0; }
.lead { max-width: 670px; margin: 22px 0 0; color: var(--muted); font-size: 19px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; min-height: 42px; padding: 10px 16px; border-radius: 5px; text-decoration: none; font-weight: 650; }
.button-primary { background: var(--ink); color: #ffffff; }
.button-primary:hover { color: #ffffff; background: #263243; }
.button-secondary { border: 1px solid var(--line); color: var(--ink); }

.section { padding: 56px 0; }
.section-alt { background: var(--surface); }
h2 { margin: 0 0 16px; font-size: 27px; line-height: 1.2; }
h3 { margin: 0 0 8px; font-size: 17px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grid-item { border-top: 3px solid var(--accent); padding-top: 14px; }
.grid-item p, .content p, .content li { color: var(--muted); }

.content { width: min(790px, 100%); padding: 58px 0 76px; }
.content h1 { font-size: clamp(34px, 4vw, 48px); margin-bottom: 24px; }
.content h2 { margin-top: 36px; }
.content ul { padding-left: 20px; }
.notice { margin: 24px 0; padding: 16px 18px; border-left: 4px solid var(--accent); background: var(--surface); color: var(--muted); }

.site-footer { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 720px) {
  .shell { width: min(100% - 28px, 1120px); }
  .nav { padding: 15px 0; align-items: flex-start; flex-direction: column; }
  .hero { padding: 58px 0 52px; }
  .grid { grid-template-columns: 1fr; gap: 28px; }
  .section { padding: 42px 0; }
}