:root {
  color-scheme: dark;
  --bg: #0b0d11;
  --panel: #11141a;
  --line: #29303d;
  --text: #f5f7fb;
  --muted: #a6afc0;
  --accent: #a7baff;
  --violet: #c1adff;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--bg); color: var(--text); font: 1rem/1.7 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-underline-offset: .22em; }
a:hover { color: #d9e1ff; }
a:focus-visible { outline: 2px solid var(--violet); outline-offset: 5px; border-radius: 3px; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip { position: absolute; top: -100px; left: 20px; z-index: 2; padding: 10px 18px; background: var(--text); color: var(--bg); }
.skip:focus { top: 12px; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 98px; }
.brand { display: inline-flex; align-items: center; gap: 13px; color: var(--text); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid #6677b1; border-radius: 11px; background: linear-gradient(140deg, #222e52, #302342); font-weight: 750; font-size: 17px; }
.brand-name { font-weight: 750; letter-spacing: .13em; font-size: 15px; }
.brand-caption { display: block; color: var(--muted); font-size: 11px; letter-spacing: .025em; }
nav { display: flex; flex-wrap: wrap; gap: 8px; }
nav a { color: var(--muted); padding: 8px 13px; text-decoration: none; font-size: 14px; border-radius: 8px; }
nav a[aria-current="page"] { color: var(--text); background: #1a2030; }
nav a:hover { background: var(--panel); }
.hero { display: grid; grid-template-columns: 1.5fr 1fr; align-items: center; gap: 64px; padding-block: 84px 72px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 12px; font-weight: 650; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.2; }
h1 { margin: 0 0 24px; font-size: clamp(2.6rem, 5vw, 4.5rem); font-weight: 650; letter-spacing: -.055em; }
h2 { margin: 0 0 20px; font-size: clamp(1.65rem, 3vw, 2.25rem); font-weight: 600; letter-spacing: -.035em; }
h3 { font-size: 1.08rem; font-weight: 650; margin: 0 0 10px; }
p { margin: 0 0 18px; }
.lead { max-width: 620px; color: var(--muted); font-size: 1.13rem; line-height: 1.75; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; padding: 11px 18px; border: 1px solid #414b65; border-radius: 9px; font-size: 14px; font-weight: 650; text-decoration: none; color: var(--text); }
.button.primary { color: #101520; background: #b5c4ff; border-color: #b5c4ff; }
.button:hover { border-color: var(--violet); }
.overview { border: 1px solid var(--line); border-radius: 18px; padding: 30px; background: linear-gradient(150deg, #181e30, var(--panel) 65%); }
.overview .eyebrow { color: var(--muted); margin-bottom: 24px; }
.overview-row { padding-block: 20px; border-top: 1px solid var(--line); }
.overview-row:last-child { padding-bottom: 0; }
.overview-row strong { display: block; font-weight: 600; }
.overview-row span { display: block; color: var(--muted); font-size: .9rem; margin-top: 5px; }
.section { padding-block: 52px; border-top: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; }
.section-intro p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.feature { padding: 26px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.feature p { color: var(--muted); font-size: .94rem; margin: 0; }
.feature-number { display: block; font-size: 12px; letter-spacing: .12em; color: var(--violet); margin-bottom: 24px; }
.calendar { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.calendar p { color: var(--muted); }
.permission { border-left: 2px solid var(--accent); padding-left: 24px; }
.permission strong { color: var(--text); }
.permission ul { margin: 16px 0 0; padding-left: 20px; color: var(--muted); }
.site-footer { margin-top: 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 28px; }
.footer-inner p { margin: 0; }
.footer-links { display: flex; gap: 20px; }
.page-heading { max-width: 780px; padding-block: 64px 36px; }
.page-heading h1 { font-size: clamp(2.5rem, 5vw, 3.6rem); }
.updated { color: var(--muted); font-size: 13px; }
.document-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 64px; padding-bottom: 36px; }
.contents { align-self: start; border-top: 1px solid var(--line); padding-top: 20px; }
.contents h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.contents ol { padding-left: 20px; margin: 0; }
.contents li { padding-block: 5px; font-size: 14px; }
.contents a { color: var(--muted); text-decoration: none; }
.contents a:hover { color: var(--text); }
.document { max-width: 740px; min-width: 0; }
.document section { border-top: 1px solid var(--line); padding-block: 28px 10px; }
.document h2 { font-size: 1.5rem; }
.document p, .document li { color: #bbc3d2; }
.document ul { padding-left: 23px; }
.document li { margin-bottom: 8px; }
.document code { display: inline; font-size: .85em; color: #d5dfff; overflow-wrap: anywhere; }
.note { background: var(--panel); border-left: 2px solid var(--accent); padding: 18px 22px; border-radius: 0 8px 8px 0; }
.terms { padding-bottom: 36px; }
@media (max-width: 760px) {
  .wrap { width: min(100% - 40px, 600px); }
  .header-inner { gap: 16px; padding-block: 20px; flex-wrap: wrap; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-block: 48px; }
  .overview { padding: 24px; }
  .section { padding-block: 36px; }
  .section-intro, .calendar, .feature-grid, .document-layout { grid-template-columns: 1fr; gap: 24px; }
  .feature-grid { gap: 12px; }
  .feature-number { margin-bottom: 16px; }
  .page-heading { padding-top: 44px; }
  .footer-inner { align-items: start; flex-direction: column; gap: 14px; }
}
@media (max-width: 380px) {
  nav { gap: 2px; }
  nav a { padding-inline: 11px; }
  .brand-caption { font-size: 10px; }
}
@media print {
  :root { --bg: white; --text: black; --muted: #333; --line: #bbb; --accent: #253c81; }
  body { background: white; color: black; }
  .document p, .document li { color: black; }
  .skip, .contents { display: none; }
  .document-layout { display: block; }
  .wrap { width: 100%; }
  .site-header, .site-footer { display: none; }
}