:root {
  --ink: #17362d;
  --muted: #5f6f69;
  --paper: #f6f2e8;
  --card: #fffdf8;
  --line: #dcd4c4;
  --green: #246b5b;
  --green-dark: #174d42;
  --blue: #1c5f8a;
  --warm: #c47d48;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
}
a { color: var(--blue); }
.wrap { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(23,54,45,.12);
  background: rgba(255,253,248,.94);
  backdrop-filter: blur(14px);
}
.nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { color: var(--ink); text-decoration: none; font-weight: 850; letter-spacing: -.02em; }
.nav-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.nav-links a { color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 700; }
.hero { padding: 82px 0 62px; }
.eyebrow {
  color: var(--green);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1 {
  max-width: 900px;
  margin: 12px 0 20px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: -.052em;
}
.lead { max-width: 760px; margin: 0; color: var(--muted); font-size: clamp(19px, 2.5vw, 24px); line-height: 1.45; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 0 19px;
  background: var(--green);
  color: white;
  text-decoration: none;
  font-weight: 800;
}
.button:hover { background: var(--green-dark); }
.button.secondary { border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.note {
  margin: 0 0 32px;
  border-left: 5px solid var(--warm);
  border-radius: 12px;
  padding: 18px 20px;
  background: #fff8ed;
}
.note strong { display: block; margin-bottom: 4px; }
.section { padding: 26px 0 70px; }
.section h2 { margin: 0 0 12px; font-size: clamp(28px, 4vw, 42px); line-height: 1.12; letter-spacing: -.035em; }
.section-intro { max-width: 720px; margin: 0 0 28px; color: var(--muted); font-size: 18px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.card {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 25px;
  background: var(--card);
  box-shadow: 0 10px 30px rgba(23,54,45,.05);
}
.card h2, .card h3 { margin: 0 0 8px; letter-spacing: -.025em; line-height: 1.2; }
.card h3 { font-size: 23px; }
.card p { margin: 0; color: var(--muted); }
.card p + p { margin-top: 12px; }
.card a.more { display: inline-block; margin-top: 18px; font-weight: 800; }
.tag {
  display: inline-block;
  margin-bottom: 13px;
  border-radius: 999px;
  padding: 5px 10px;
  background: #e3efe9;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.prose { max-width: 800px; }
.prose h2 { margin: 48px 0 12px; font-size: clamp(27px,4vw,38px); line-height: 1.15; letter-spacing: -.03em; }
.prose h3 { margin: 30px 0 7px; font-size: 22px; line-height: 1.25; }
.prose p, .prose li { color: #45564f; font-size: 18px; }
.prose ul, .prose ol { padding-left: 24px; }
.facts {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 10px;
  margin: 28px 0;
}
.fact { border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: var(--card); }
.fact span { display: block; color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.fact strong { display: block; margin-top: 3px; }
.related { margin-top: 60px; border-top: 1px solid var(--line); padding-top: 34px; }
.related-links { display: flex; flex-wrap: wrap; gap: 10px; }
.related-links a { border: 1px solid var(--line); border-radius: 999px; padding: 8px 13px; background: var(--card); text-decoration: none; font-weight: 750; }
.app-callout {
  margin: 18px 0 70px;
  border-radius: 24px;
  padding: clamp(26px,5vw,46px);
  background: var(--ink);
  color: white;
}
.app-callout h2 { margin: 0 0 10px; font-size: clamp(28px,4vw,42px); line-height: 1.12; }
.app-callout p { max-width: 700px; color: #d7e2de; font-size: 18px; }
.app-callout .button { background: white; color: var(--ink); }
footer { border-top: 1px solid var(--line); padding: 28px 0 38px; color: var(--muted); font-size: 14px; }
@media (max-width: 760px) {
  .hero { padding: 54px 0 42px; }
  .nav { align-items: flex-start; padding: 14px 0; }
  .nav-links { gap: 10px 14px; }
  .grid, .grid.three, .facts { grid-template-columns: 1fr; }
  .button { width: 100%; }
}