:root {
  color-scheme: light;
  --ink: #1d211e;
  --muted: #5d655e;
  --paper: #f7f6f1;
  --card: #ffffff;
  --accent: #1f6a4d;
  --line: #d9ddd6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

.container { width: min(760px, calc(100% - 40px)); margin: 0 auto; }

.hero { padding: 88px 0 42px; }

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .14em;
}

h1, h2 { line-height: 1.22; }
h1 { margin: 0; font-size: clamp(2.3rem, 8vw, 4rem); letter-spacing: -.045em; }
h2 { margin: 0 0 12px; font-size: 1.35rem; }
p { margin: 0 0 14px; }
.lead, .updated { color: var(--muted); }
.lead { font-size: 1.15rem; margin-top: 14px; }

.card {
  margin: 18px 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
}

a { color: var(--accent); font-weight: 650; }
.button {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 9px;
  color: #fff;
  background: var(--accent);
  text-decoration: none;
}

details { padding: 13px 0; border-top: 1px solid var(--line); }
details:first-of-type { border-top: 0; padding-top: 0; }
summary { cursor: pointer; font-weight: 700; }
details p { margin: 10px 0 0; color: var(--muted); }

.policy { padding: 52px 0 22px; }
.policy h1 { margin-top: 4px; }
.policy section { margin: 34px 0; }
.policy section p { color: #343a35; }
.back { display: inline-block; margin-bottom: 38px; text-decoration: none; }

footer {
  width: min(760px, calc(100% - 40px));
  margin: 28px auto 46px;
  color: var(--muted);
  font-size: .9rem;
}

@media (max-width: 520px) {
  .hero { padding-top: 60px; }
  .card { padding: 22px; border-radius: 14px; }
  .policy { padding-top: 34px; }
}