:root {
  --canvas: #fdfff9;
  --forest: #3e8162;
  --teal: #285f63;
  --coral: #e47a72;
  --yellow: #f2ca50;
  --peach: #fceacc;
  --mint: #d1e0d7;
  --ink: #191a19;
  --body: #443f3b;
  --muted: #757482;
  --line: #dfe7e1;
  --radius: 15px;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--canvas); color: var(--ink); }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 90% 0, var(--peach), transparent 32rem), var(--canvas); }
a { color: var(--teal); text-underline-offset: 3px; }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
.shell { width: min(920px, calc(100% - 32px)); margin: 0 auto; }
header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 800; font-size: 1.15rem; text-decoration: none; }
.brand img { width: 42px; height: 42px; border-radius: 12px; }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; font-size: .95rem; }
main { padding: 48px 0 72px; }
.hero { max-width: 720px; padding: 56px 0 36px; }
.eyebrow { margin: 0 0 12px; color: var(--forest); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: .78rem; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -.025em; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.5rem, 7vw, 5rem); }
h2 { margin-top: 2.3rem; font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { margin-top: 1.6rem; }
p, li { color: var(--body); line-height: 1.7; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); max-width: 680px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; margin-top: 18px; padding: 0 22px; border-radius: 999px; background: var(--forest); color: white; font-weight: 800; text-decoration: none; }
.button.secondary { border: 1px solid var(--forest); background: transparent; color: var(--forest); }
.install-note { max-width: 680px; margin-top: 16px; color: var(--muted); font-size: .92rem; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, .86); box-shadow: 0 12px 36px rgba(40, 95, 99, .08); }
.card h2, .card h3 { margin-top: 0; }
.document { max-width: 760px; padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, .9); }
.meta { color: var(--muted); font-size: .92rem; }
.notice { padding: 18px 20px; border-left: 5px solid var(--coral); border-radius: 10px; background: #fff4f1; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: .9rem; }
footer .shell { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer p { margin: 0; color: var(--muted); }
@media (max-width: 720px) {
  header { align-items: flex-start; flex-direction: column; }
  nav { justify-content: flex-start; }
  main { padding-top: 20px; }
  .grid { grid-template-columns: 1fr; }
  .document { padding: 24px 20px; }
}