:root {
  color-scheme: light dark;
  --background: #fff;
  --ink: #123f3d;
  --muted: #486663;
  --accent: #087c72;
  --on-accent: #fff;
  --line: #c6dcd6;
  --surface: #e3f2ee;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #102321;
    --ink: #ecfaf7;
    --muted: #afcac4;
    --accent: #42c9b7;
    --on-accent: #102321;
    --line: #355651;
    --surface: #17302d;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--background); color: var(--ink); font-size: 17px; line-height: 1.7; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
img { max-width: 100%; height: auto; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip { position: absolute; top: -100px; left: 20px; padding: 12px; background: var(--background); z-index: 1; }
.skip:focus { top: 12px; }
header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 28px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-size: 22px; font-weight: 650; }
.brand img { width: 46px; height: 46px; }
nav { display: flex; gap: 28px; font-size: 15px; }
nav a { color: var(--ink); }
.hero { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 80px; padding-block: 52px 80px; }
h1 { max-width: 650px; margin: 0 0 28px; font-size: clamp(42px, 4.9vw, 68px); font-weight: 700; line-height: 1.12; letter-spacing: -.045em; text-wrap: balance; word-break: keep-all; }
.lead { max-width: 500px; margin: 0 0 30px; color: var(--muted); font-size: 21px; line-height: 1.6; word-break: keep-all; }
.button { display: inline-flex; align-items: center; gap: 16px; padding: 16px 24px; border-radius: 8px; background: var(--accent); color: var(--on-accent); text-decoration: none; font-weight: 650; }
.button svg { width: 20px; height: 20px; }
.download-detail { margin: 16px 0 0; color: var(--muted); font-size: 14px; }
.download-status { max-width: 460px; margin: 12px 0 0; color: var(--muted); font-size: 15px; }
figure { margin: 0; }
.shelf { display: block; width: 100%; border-radius: 16px; box-shadow: 0 18px 45px #123f3d18; }
figcaption { margin-top: 16px; color: var(--muted); font-size: 13px; text-align: center; }
.workflow { display: flex; gap: 48px; padding-block: 30px; border-block: 1px solid var(--line); }
.workflow p { flex: 1; margin: 0; color: var(--muted); }
.workflow strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 20px; }
.section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; padding-block: 72px; border-bottom: 1px solid var(--line); scroll-margin-top: 24px; }
h2 { margin: 0; font-size: 32px; line-height: 1.3; letter-spacing: -.025em; word-break: keep-all; }
h3 { margin: 28px 0 8px; font-size: 19px; }
p { margin: 0 0 16px; }
.section p:last-child { margin-bottom: 0; }
.section .intro { margin-top: 16px; color: var(--muted); }
ol { padding-left: 24px; margin: 0; }
li { padding-left: 8px; margin-bottom: 20px; }
li:last-child { margin-bottom: 0; }
.menu-icon { display: inline-flex; vertical-align: middle; justify-content: center; align-items: center; width: 34px; height: 28px; margin-inline: 4px; border-radius: 5px; background: var(--surface); }
.menu-icon svg { width: 22px; height: 22px; fill: currentColor; }
.section-content > h3:first-child { margin-top: 0; }
details { margin-top: 24px; }
summary { color: var(--accent); cursor: pointer; }
details p { padding-top: 12px; }
footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 32px; color: var(--muted); font-size: 14px; }
footer p { margin: 0; }
.route { max-width: 600px; margin: 15vh auto; padding: 24px; }
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  header { padding-block: 20px; }
  nav { gap: 20px; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-block: 36px 44px; }
  h1 { font-size: clamp(39px, 9.5vw, 62px); }
  .lead { font-size: 19px; }
  .hero figure { width: min(390px, 100%); margin-inline: auto; }
  .workflow { flex-direction: column; gap: 24px; }
  .section { grid-template-columns: 1fr; gap: 24px; padding-block: 44px; }
  footer { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }