:root {
  color-scheme: light dark;
  --green: #147a43;
  --green-dark: #0d5730;
  --mint: #d9f4df;
  --paper: #f7faf7;
  --ink: #102117;
  --muted: #506157;
  --line: #cbd8ce;
  --card: #ffffff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.65; }
a { color: var(--green-dark); }
a:focus-visible, .button:focus-visible { outline: 3px solid #73c68a; outline-offset: 3px; }

.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
header { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 92%, transparent); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; }
.brand img { width: 52px; height: 52px; border-radius: 12px; object-fit: cover; }
nav ul { display: flex; flex-wrap: wrap; gap: 20px; margin: 0; padding: 0; list-style: none; }
nav a { text-decoration: none; font-weight: 650; }

.hero { padding: clamp(64px, 10vw, 112px) 0 72px; }
.eyebrow { color: var(--green); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: .82rem; }
h1 { max-width: 820px; margin: 12px 0 18px; font-size: clamp(2.5rem, 7vw, 5.4rem); line-height: 1.02; letter-spacing: -.045em; }
.lede { max-width: 680px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 20px; border-radius: 999px; background: var(--green); color: white; text-decoration: none; font-weight: 750; }
.button.secondary { background: transparent; color: var(--green-dark); border: 1px solid var(--green); }

.section { padding: 64px 0; }
.section h2 { margin: 0 0 10px; font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.025em; }
.section-intro { max-width: 660px; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.card { padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: var(--card); }
.card h3 { margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); }

.document { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 64px 0 88px; }
.document h1 { font-size: clamp(2.2rem, 6vw, 4.2rem); }
.document h2 { margin-top: 42px; line-height: 1.2; }
.document li + li { margin-top: 8px; }
.notice { padding: 18px; border-left: 4px solid var(--green); background: var(--mint); color: #163822; }
footer { border-top: 1px solid var(--line); padding: 28px 0 44px; color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .brand img { width: 46px; height: 46px; }
  .grid { grid-template-columns: 1fr; }
}

@media (prefers-color-scheme: dark) {
  :root { --paper: #0d1510; --ink: #eef8f0; --muted: #b7c6bb; --line: #304036; --card: #131e16; --mint: #183924; --green: #91d9a4; --green-dark: #a8e8b8; }
  .notice { color: #dff5e5; }
}