:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #101517;
  color: #f4f6f8;
  --accent: #42d6c7;
  --accent-warm: #ffb84d;
  --line: #354044;
  --muted: #9caaad;
  --panel: #171e21;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 0; background: #101517; color: #f4f6f8; overflow-wrap: anywhere; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #9cf3ea; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 68px;
  padding: 12px max(20px, calc((100vw - 920px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(16, 21, 23, .94);
  backdrop-filter: blur(14px);
}
.site-brand { display: inline-flex; align-items: center; gap: 10px; color: white; text-decoration: none; font-weight: 760; }
.site-brand img { width: 38px; height: 38px; border-radius: 10px; }
.site-brand em { color: var(--accent); font-style: normal; font-weight: 600; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 16px; }
.site-nav a { color: #c6cdd4; font-size: 13px; }
main { width: min(920px, calc(100% - 40px)); margin: 0 auto; padding: 54px 0 68px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: 1.3px; text-transform: uppercase; }
h1 { max-width: 760px; margin: 10px 0 16px; font-size: clamp(34px, 6vw, 58px); line-height: 1.02; letter-spacing: -1.8px; }
.lede { max-width: 730px; margin: 0 0 38px; color: #c8cfd6; font-size: 18px; line-height: 1.55; }
h2 { margin: 38px 0 11px; font-size: 23px; letter-spacing: -.4px; }
h3 { margin: 24px 0 8px; font-size: 17px; }
p, li { color: #c5ccd3; line-height: 1.65; }
ul, ol { padding-left: 22px; }
li + li { margin-top: 7px; }
.summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 30px 0; }
.summary-card { padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.summary-card strong { display: block; margin-bottom: 6px; color: #f4f6f8; }
.summary-card p { margin: 0; font-size: 14px; }
.callout { padding: 16px 18px; border: 1px solid rgba(66, 214, 199, .3); border-radius: 12px; background: rgba(66, 214, 199, .065); }
.callout + .callout { margin-top: 12px; }
.compatibility-notice { border-color: rgba(255, 184, 77, .38); background: rgba(255, 184, 77, .07); }
.compatibility-notice strong { color: var(--accent-warm); }
.callout p { margin: 0; }
.step { padding: 17px 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.step + .step { margin-top: 12px; }
.step h3 { margin-top: 0; }
.step p:last-child, .step ul:last-child { margin-bottom: 0; }
code { padding: 2px 5px; border-radius: 5px; background: #20262c; color: #e4e8ec; }
.license-list { padding: 0; list-style: none; }
.license-list > li { padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.license-list > li + li { margin-top: 12px; }
.license-list strong { display: block; color: white; }
.license-links { display: flex; flex-wrap: wrap; gap: 8px 15px; margin-top: 8px; font-size: 13px; }
.meta { color: var(--muted); font-size: 13px; }
.site-footer { padding: 22px 20px 34px; border-top: 1px solid var(--line); color: var(--muted); text-align: center; font-size: 12px; }

@media (max-width: 680px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 10px; }
  .site-nav { justify-content: flex-start; }
  main { padding-top: 38px; }
  .summary-grid { grid-template-columns: 1fr; }
}