:root {
  color-scheme: light;
  --ink: #20322d;
  --muted: #64736e;
  --sage: #4c9783;
  --sage-soft: #e5f1ec;
  --line: #d7e4de;
  --paper: #fbfcfa;
  --surface: rgba(255, 255, 255, .84);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: linear-gradient(145deg, #f8fbf8 0%, #edf6f1 48%, #fdfcf9 100%);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

a { color: var(--sage); }

.shell {
  width: min(100% - 36px, 820px);
  margin: 0 auto;
}

.hero {
  padding: 14vh 0 10vh;
  text-align: center;
}

.brand-mark {
  display: grid;
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 18px 50px rgba(57, 105, 88, .13);
  font-size: 34px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--sage);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2 { line-height: 1.15; }
h1 { margin: 0; font-size: clamp(2.2rem, 6vw, 4.5rem); letter-spacing: -.04em; }
h2 { margin-top: 2.2rem; font-size: 1.35rem; }

.lede {
  max-width: 620px;
  margin: 24px auto 42px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  text-align: left;
}

.card {
  display: block;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(57, 105, 88, .09);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease;
}

.card:hover, .card:focus-visible { transform: translateY(-2px); border-color: var(--sage); }
.card-title { display: block; margin-bottom: 6px; color: var(--ink); font-size: 1.15rem; font-weight: 700; }
.card-copy { display: block; color: var(--muted); }
.disclaimer { max-width: 650px; margin: 42px auto 0; color: var(--muted); font-size: .92rem; }

.document {
  max-width: 760px;
  padding: 56px 0 80px;
}

.document h1 { font-size: clamp(2.2rem, 5vw, 3.7rem); }
.document p { max-width: 720px; }
.muted { color: var(--muted); }
.footer-links { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); }

@media (max-width: 620px) {
  body { font-size: 16px; }
  .hero { padding-top: 10vh; }
  .cards { grid-template-columns: 1fr; }
  .card { padding: 20px; }
}

@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --ink: #edf7f1; --muted: #aabdb5; --sage-soft: #1d3c33; --line: #315248; --paper: #12221e; --surface: rgba(22, 43, 37, .86); }
  body { background: linear-gradient(145deg, #10211d 0%, #17342c 48%, #111e1c 100%); }
}