:root { color-scheme: dark; --ground:#1e1f22; --surface:#2b2d31; --text:#f2f3f5; --muted:#b5bac1; --accent:#5865f2; --line:#42454d; }
* { box-sizing:border-box; }
html { scroll-padding-top:24px; }
body { margin:0; background:var(--ground); color:var(--text); font-family:"Noto Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; -webkit-font-smoothing:antialiased; }
a { color:inherit; text-underline-offset:4px; }
a:focus-visible, summary:focus-visible { outline:3px solid #b6afff; outline-offset:5px; }
::selection { background:#6258a8; color:#fff; }
.page-width { max-width:1120px; margin-inline:auto; padding-inline:32px; }
.site-header { height:88px; display:flex; justify-content:space-between; align-items:center; gap:20px; }
.wordmark { display:flex; align-items:center; gap:12px; font-weight:750; font-size:21px; text-decoration:none; }
.wordmark img { border-radius:10px; }
.web-link { font-size:14px; font-weight:650; padding-block:12px; }
.web-link span { margin-left:8px; }
.intro { display:grid; grid-template-columns:1fr 240px; gap:64px; align-items:center; padding:48px 0 52px; }
h1 { margin:0; font-size:clamp(44px,5.2vw,64px); letter-spacing:-.035em; line-height:1.06; font-weight:750; }
.intro p { color:var(--muted); font-size:18px; line-height:1.6; max-width:430px; margin:22px 0 0; }
.hero-logo { display:block; width:240px; height:240px; border-radius:48px; }
.downloads { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
.download-option { padding:28px; border-radius:16px; background:var(--surface); }
.iphone-option { grid-column:1/-1; display:grid; grid-template-columns:1.5fr 1fr; gap:40px; align-items:center; }
.iphone-option .platform-summary,.iphone-option .requirements,.iphone-option .install-note { min-height:0; }
.iphone-option .requirements { margin-bottom:0; }
.iphone-option .iphone-install-button { color:#fff; font-size:15px; }
.platform-heading { display:flex; align-items:center; justify-content:space-between; gap:12px; }
h2 { margin:0; font-size:26px; line-height:1.25; letter-spacing:-.02em; }
.file-type { color:var(--muted); font-size:13px; }
.platform-summary { margin:10px 0 20px; min-height:48px; color:var(--text); line-height:1.5; }
.requirements { margin:0 0 24px; min-height:90px; color:var(--muted); font-size:14px; line-height:1.6; }
.download-button { display:flex; justify-content:center; align-items:center; min-height:48px; width:100%; border:0; border-radius:8px; background:#514bd1; color:#fff; text-decoration:none; font-family:inherit; font-size:15px; font-weight:650; line-height:1.2; transition:background-color 140ms,transform 140ms; cursor:pointer; }
.download-button:hover { background:#4540b8; }
.download-button:active { transform:scale(.98); }
.download-button:disabled { color:#c5c6cb; background:#404249; cursor:wait; }
.install-note { min-height:101px; color:var(--muted); font-size:13px; line-height:1.55; margin:16px 0 10px; }
.help-link { display:inline-flex; align-items:center; min-height:44px; font-size:13px; color:#c3bfff; }
.getting-started { padding-block:72px; display:grid; grid-template-columns:1fr 1.25fr; gap:72px; }
.section-title p { max-width:310px; color:var(--muted); font-size:15px; line-height:1.7; }
details { border-bottom:1px solid var(--line); }
summary { padding:22px 4px; cursor:pointer; font-size:16px; font-weight:600; }
details:first-child summary { padding-top:6px; }
.answer { color:var(--muted); font-size:14px; line-height:1.7; padding:0 4px 16px; }
.answer ol { padding-left:20px; }
.answer li { margin-bottom:10px; }
.answer a { color:#c3bfff; }
footer { display:flex; align-items:center; gap:24px; padding-block:28px; border-top:1px solid var(--line); font-size:13px; color:var(--muted); }
footer span { font-weight:700; color:var(--text); }
footer p { flex:1; margin:0; }
footer a { min-height:44px; display:flex; align-items:center; }
.skip-link { position:fixed; top:8px; left:8px; transform:translateY(-150%); background:var(--text); color:var(--ground); padding:12px; z-index:2; border-radius:8px; }
.skip-link:focus { transform:translateY(0); }
@media (max-width:980px) {
  .downloads { grid-template-columns:1fr; gap:16px; }
  .platform-summary,.requirements,.install-note { min-height:0; }
}
@media (max-width:700px) {
  .iphone-option { grid-template-columns:1fr; gap:24px; }
  .page-width { padding-inline:20px; }
  .site-header { height:76px; }
  .wordmark { font-size:18px; gap:8px; }
  .wordmark img { width:34px; height:34px; }
  .web-link { font-size:13px; }
  .intro { grid-template-columns:1fr 80px; gap:16px; padding:26px 0 32px; align-items:start; }
  h1 { font-size:clamp(36px,8.4vw,48px); }
  .intro p { font-size:15px; line-height:1.6; margin-top:18px; }
  .hero-logo { width:80px; height:80px; border-radius:18px; }
  .downloads { grid-template-columns:1fr; gap:16px; }
  .download-option { padding:24px; }
  .requirements,.install-note { min-height:0; }
  .getting-started { grid-template-columns:1fr; gap:26px; padding-block:48px; }
  .section-title p { max-width:100%; }
  footer { flex-wrap:wrap; gap:8px 16px; padding-block:20px; }
  footer p { flex-basis:100%; order:2; line-height:1.6; }
  footer a { margin-left:auto; }
}
@media (prefers-reduced-motion:reduce) { .download-button { transition:none; } .download-button:active { transform:none; } }