:root {
  color-scheme: light dark;
  --bg: #f3f6f2;
  --surface: #ffffff;
  --text: #17221b;
  --muted: #5d6a61;
  --accent: #1f6b4b;
  --accent-strong: #174f38;
  --border: #dbe5dc;
  --shadow: 0 18px 50px rgba(24, 58, 39, 0.09);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101713;
    --surface: #18231c;
    --text: #edf5ee;
    --muted: #b4c2b7;
    --accent: #79c99a;
    --accent-strong: #9cddb5;
    --border: #2d3d32;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.shell {
  width: min(100% - 32px, 860px);
  margin: 0 auto;
  padding: 42px 0 28px;
}

.shell--home { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; }
.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  letter-spacing: .04em;
  text-decoration: none;
}
.eyebrow { margin: 0; color: var(--accent); font-size: .76rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.tagline { margin: 1px 0 0; color: var(--muted); font-size: .92rem; }

.card { border: 1px solid var(--border); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow); }
.intro { padding: clamp(28px, 7vw, 64px); }
.intro h1 { max-width: 620px; margin: 8px 0 12px; font-size: clamp(2rem, 6vw, 4rem); line-height: 1.08; letter-spacing: -.04em; }
.intro p:not(.eyebrow) { max-width: 600px; color: var(--muted); font-size: 1.08rem; }
.button { display: inline-block; margin-top: 12px; padding: 11px 17px; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 700; text-decoration: none; }
.button:hover { background: var(--accent-strong); color: #fff; }

.policy { padding: clamp(24px, 5vw, 58px); }
.policy h1 { margin: 5px 0 0; font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.1; letter-spacing: -.035em; }
.policy h2 { margin: 2.1em 0 .45em; font-size: 1.25rem; line-height: 1.3; }
.policy p, .policy li { max-width: 72ch; }
.policy ul { padding-left: 1.35rem; }
.muted { color: var(--muted); }
.footer { margin-top: 22px; color: var(--muted); font-size: .9rem; text-align: center; }

@media (max-width: 520px) {
  .shell { width: min(100% - 22px, 860px); padding-top: 24px; }
  .brand { margin-bottom: 16px; }
  .card { border-radius: 16px; }
}