:root {
  color-scheme: light dark;
  --bg: #f4f3ed;
  --surface: #fbfaf6;
  --surface-2: #e8ece4;
  --text: #19231e;
  --muted: #647069;
  --line: #d7ddd6;
  --accent: #17795d;
  --accent-dark: #105943;
  --shadow: 0 18px 55px rgba(21, 42, 33, .09);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101512;
    --surface: #171e1a;
    --surface-2: #202a24;
    --text: #edf3ef;
    --muted: #a4b0a9;
    --line: #314039;
    --accent: #64d5ad;
    --accent-dark: #8ce6c5;
    --shadow: 0 20px 60px rgba(0, 0, 0, .28);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; }
a { color: var(--accent-dark); }
.site-header { min-height: 72px; padding: 12px max(22px, calc((100vw - 1120px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 92%, transparent); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; letter-spacing: -.02em; }
.brand span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: var(--accent); color: #fff; font-size: .78rem; }
nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
nav a { color: var(--muted); text-decoration: none; font-weight: 650; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent-dark); }
main { max-width: 1120px; margin: 0 auto; padding: 0 22px; }
.hero { min-height: 610px; max-width: 900px; display: flex; flex-direction: column; justify-content: center; padding: 80px 0; }
.eyebrow { color: var(--accent); font-size: .75rem; letter-spacing: .15em; font-weight: 850; margin-bottom: 14px; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.04em; }
h1 { max-width: 900px; margin: 0 0 24px; font-size: clamp(3rem, 8vw, 6.8rem); }
h2 { margin: 0 0 24px; font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { margin: 8px 0 12px; font-size: 1.25rem; }
p { margin-top: 0; }
.lead { max-width: 700px; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.35rem); }
.button { align-self: flex-start; margin-top: 18px; padding: 11px 18px; border-radius: 10px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 750; }
.section { padding: 100px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 670px; margin-bottom: 38px; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.cards article { padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.cards article > span { color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .1em; }
.cards p, .feature-list p { color: var(--muted); margin-bottom: 0; }
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.feature-list { display: grid; gap: 24px; }
.feature-list strong { display: block; color: var(--text); font-size: 1.07rem; }
.notice { margin: 60px 0 110px; padding: 38px; border-radius: 20px; background: var(--surface-2); }
.notice h2 { font-size: 1.55rem; margin-bottom: 10px; }
.notice p { color: var(--muted); margin: 0; }
.legal { max-width: 790px; padding-top: 90px; padding-bottom: 110px; }
.legal h1 { font-size: clamp(2.8rem, 7vw, 5.5rem); }
.legal h2 { margin-top: 50px; margin-bottom: 12px; font-size: 1.55rem; }
.legal p, .updated { color: var(--muted); }
.legal a { overflow-wrap: anywhere; }
.updated { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
footer { max-width: 1120px; margin: 0 auto; padding: 42px 22px; display: grid; grid-template-columns: 1fr auto; gap: 20px 50px; border-top: 1px solid var(--line); }
footer p { color: var(--muted); margin: 3px 0 0; }
.copyright { grid-column: 1 / -1; font-size: .85rem; }

@media (max-width: 720px) {
  .site-header { align-items: flex-start; flex-direction: column; padding-top: 18px; padding-bottom: 18px; }
  .hero { min-height: auto; padding: 100px 0; }
  .cards, .split, footer { grid-template-columns: 1fr; }
  .split { gap: 25px; }
  .section { padding: 75px 0; }
  .copyright { grid-column: auto; }
}