:root {
  color-scheme: light;
  --ink: #14231f;
  --muted: #53635e;
  --line: #d9e3de;
  --paper: #f6f9f7;
  --card: #ffffff;
  --accent: #176b53;
  --accent-dark: #0c4d3a;
  --soft: #e7f2ec;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

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

.site-shell { min-height: 100vh; }

.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .92);
}

.topbar-inner, main, footer {
  width: min(100% - 2rem, 980px);
  margin: 0 auto;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  color: var(--ink);
  font-weight: 750;
  letter-spacing: -.02em;
  text-decoration: none;
}

nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a { font-size: .95rem; text-decoration: none; }

.hero {
  padding: clamp(4rem, 11vw, 8rem) 0 4rem;
  max-width: 760px;
}

.eyebrow {
  color: var(--accent-dark);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2 { line-height: 1.15; letter-spacing: -.035em; }
h1 { margin: .65rem 0 1.25rem; font-size: clamp(2.65rem, 7vw, 5rem); }
h2 { margin: 0 0 .85rem; font-size: clamp(1.55rem, 3vw, 2.1rem); }
h3 { margin: 1.5rem 0 .45rem; font-size: 1.08rem; }
p { margin: 0 0 1rem; }

.lede {
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  max-width: 680px;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-bottom: 4rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  padding: 1.6rem;
}

.scope-list, .plain-list { margin: .75rem 0 0; padding-left: 1.2rem; }
.scope-list li, .plain-list li { margin: .45rem 0; }

.scope {
  display: inline-block;
  border-radius: 7px;
  background: var(--soft);
  color: var(--accent-dark);
  font-size: .88rem;
  padding: .1rem .4rem;
  overflow-wrap: anywhere;
}

.notice {
  border-left: 4px solid var(--accent);
  background: var(--soft);
  margin: 1.5rem 0 0;
  padding: 1rem 1.2rem;
}

.document {
  padding: 4rem 0 5rem;
  max-width: 800px;
}

.document h1 { font-size: clamp(2.25rem, 5vw, 3.7rem); }
.document h2 { margin-top: 2.5rem; }
.document ul { padding-left: 1.35rem; }
.document li { margin: .4rem 0; }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .92rem;
  padding: 1.5rem 0 2.5rem;
}

@media (max-width: 680px) {
  .topbar-inner { align-items: flex-start; flex-direction: column; padding: 1rem 0; }
  .section-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 3.5rem; }
}