:root {
  color-scheme: dark;
  --page: #101112;
  --surface: #17191b;
  --line: #303438;
  --text: #f4f5f5;
  --muted: #a5aaae;
  --accent: #a8f26b;
  --max: 760px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--page);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; }
a:hover { color: var(--accent); }
.site-header { border-bottom: 1px solid var(--line); }
.nav, .content, .footer-inner { width: min(calc(100% - 40px), var(--max)); margin: auto; }
.nav { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; letter-spacing: -.02em; text-decoration: none; }
.brand-mark { display: grid; width: 22px; height: 22px; place-items: center; border: 2px solid var(--accent); border-radius: 7px; color: var(--accent); font-size: 14px; line-height: 1; }
.nav a:not(.brand) { color: var(--muted); font-size: 14px; text-underline-offset: 4px; }
.content { padding: 76px 0 90px; }
.eyebrow { margin: 0 0 15px; color: var(--accent); font-size: 12px; font-weight: 750; letter-spacing: .11em; text-transform: uppercase; }
h1, h2, h3 { letter-spacing: -.035em; line-height: 1.15; }
h1 { max-width: 650px; margin: 0; font-size: clamp(2.45rem, 8vw, 4.5rem); }
h2 { margin: 49px 0 12px; font-size: clamp(1.45rem, 4vw, 2rem); }
h3 { margin: 28px 0 8px; font-size: 1.1rem; }
p, li { color: var(--muted); }
.lead { max-width: 590px; margin: 22px 0 0; font-size: 1.15rem; }
.updated { margin: 29px 0 0; font-size: .88rem; }
.updated strong { color: var(--text); }
ul { padding-left: 1.25rem; }
.card-list { display: grid; gap: 12px; margin-top: 40px; }
.card { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); text-decoration: none; transition: border-color .2s ease, transform .2s ease; }
.card:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); }
.card h2 { margin: 0; font-size: 1.08rem; }.card p { margin: 3px 0 0; font-size: .92rem; }.arrow { color: var(--accent); font-size: 1.4rem; }
.notice { margin-top: 42px; padding: 20px 22px; border-left: 3px solid var(--accent); background: var(--surface); color: var(--muted); }
.download-box { margin-top: 38px; padding: clamp(20px, 4vw, 30px); border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.download-box h2 { margin-top: 0; }
.download-action { display: inline-block; max-width: 100%; padding: 14px 22px; border: 0; border-radius: 8px; background: var(--accent); color: #101112; font: inherit; font-weight: 700; text-align: center; text-decoration: none; }
.download-action:disabled { background: #343a3d; color: #c9ced1; cursor: not-allowed; }
.download-action:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
#download-status { margin-bottom: 0; font-size: .9375rem; }
ol { padding-left: 1.5rem; }
ol li + li { margin-top: .65rem; }
.support-box { margin-top: 38px; padding: 30px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }.support-box p { margin: 0 0 18px; }.support-box a { color: var(--accent); font-weight: 650; text-underline-offset: 4px; }
footer { border-top: 1px solid var(--line); }.footer-inner { display: flex; justify-content: space-between; gap: 18px; padding: 26px 0; color: var(--muted); font-size: .82rem; }.footer-inner a { text-underline-offset: 3px; }
@media (max-width: 520px) { .nav, .content, .footer-inner { width: min(calc(100% - 32px), var(--max)); }.content { padding: 54px 0 64px; }.nav { min-height: 62px; }.footer-inner { align-items: flex-start; flex-direction: column; gap: 6px; }.card { padding: 19px; }.support-box { padding: 24px; } }