:root {
  color-scheme: light dark;
  --bg: #fffdf9;
  --surface: #f3f2ef;
  --text: #203044;
  --muted: #5d6773;
  --accent: #b84512;
  --border: #dadcdd;
  --blue: #e8f0fa;
  --warm: #f6e8de;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111923; --surface: #1c2835; --text: #f5f5f4; --muted: #b2bfcc; --accent: #ffad80; --border: #384552; --blue: #203044; --warm: #382a25; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; line-height: 1.6; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 4px; }
img { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
button { font: inherit; cursor: pointer; }
[hidden] { display: none !important; }
.wrap { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 10; padding: 12px 20px; background: var(--bg); }
.skip-link:focus { top: 12px; }
.site-nav { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--border); }
.site-nav a { color: var(--text); text-decoration: none; font-size: 14px; font-weight: 650; }
.site-nav a:hover { text-decoration: underline; }
.nav-links { display: flex; flex-wrap: wrap; gap: 24px; }
.brand-tag { background: #203044; color: #fffdf9; border-radius: 6px; font-family: ui-monospace, monospace; padding: 4px 8px; margin-left: 4px; }
.hero { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 72px; padding-block: 64px 72px; }
.identity { display: flex; align-items: center; gap: 16px; margin-bottom: 36px; }
.app-icon { width: 68px; height: 68px; border-radius: 16px; }
.wordmark { font-size: 33px; letter-spacing: -1.5px; font-weight: 850; line-height: 1.1; }
.wordmark span { color: var(--accent); }
.expansion { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
h1, h2, h3 { line-height: 1.12; }
h1 { font-size: clamp(54px, 6.5vw, 82px); letter-spacing: -.055em; margin: 0 0 24px; font-weight: 800; }
.hero h1 span { color: var(--accent); }
.lead { font-size: 21px; color: var(--muted); line-height: 1.5; max-width: 460px; margin: 0 0 26px; }
.pills { display: flex; gap: 8px; flex-wrap: wrap; padding: 0; margin: 0 0 32px; list-style: none; }
.pills li { border: 1px solid var(--border); border-radius: 100px; padding: 6px 12px; font-size: 12px; font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.status { display: inline-flex; align-items: center; gap: 9px; background: var(--text); color: var(--bg); border-radius: 12px; padding: 13px 22px; font-weight: 700; }
.status::before { content: ''; width: 7px; height: 7px; background: #ffad80; border-radius: 50%; }
.text-link { font-size: 14px; font-weight: 650; }
.small { font-size: 13px; color: var(--muted); }
.hero-art { background: var(--blue); border-radius: 160px 160px 32px 32px; padding: 32px 32px 22px; }
.hero-art img { width: 264px; margin: auto; border: 1px solid var(--border); border-radius: 25px; box-shadow: 0 20px 40px #16273b24; }
.hero-art figcaption { text-align: center; font-size: 12px; color: var(--muted); margin-top: 18px; }
.section { border-top: 1px solid var(--border); padding-block: 72px; }
.eyebrow { text-transform: uppercase; font-weight: 700; font-size: 11px; letter-spacing: .16em; color: var(--accent); margin: 0 0 14px; }
h2 { font-size: clamp(30px, 4vw, 44px); letter-spacing: -.035em; margin: 0 0 18px; }
.section-intro { color: var(--muted); max-width: 600px; margin: 0 0 32px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature-card { padding: 28px; border-radius: 22px; background: var(--surface); }
.feature-card:nth-child(2) { background: var(--blue); }
.feature-card:nth-child(3) { background: var(--warm); }
.feature-number { font-size: 12px; font-family: ui-monospace, monospace; color: var(--accent); display: block; margin-bottom: 32px; }
h3 { font-size: 21px; letter-spacing: -.02em; margin: 0 0 14px; }
.feature-card p { font-size: 14px; color: var(--muted); margin: 0; }
.screens-scroll { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 12px 5px 24px; scrollbar-color: var(--muted) var(--surface); }
.screen-card { flex: 0 0 228px; scroll-snap-align: start; }
.screen-card img { width: 100%; border: 1px solid var(--border); border-radius: 22px; }
.screen-card figcaption { font-size: 14px; font-weight: 650; margin-top: 16px; }
.screen-card figcaption span { color: var(--accent); font-size: 11px; margin-right: 8px; }
.privacy-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; background: var(--blue); padding: 44px; border-radius: 26px; }
.privacy-panel h2 { max-width: 390px; }
.privacy-panel p { margin-top: 0; color: var(--muted); }
.support-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; margin-top: 32px; }
details { border-bottom: 1px solid var(--border); padding: 18px 0; }
details:first-child { padding-top: 0; }
summary { font-weight: 650; cursor: pointer; }
details p { color: var(--muted); font-size: 15px; margin-bottom: 0; }
.contact-card { background: var(--surface); border-radius: 22px; padding: 28px; align-self: start; }
.contact-card p { color: var(--muted); font-size: 15px; }
footer { border-top: 1px solid var(--border); padding-block: 32px 44px; text-align: center; font-size: 13px; color: var(--muted); }
footer p { margin: 6px 0; }
footer .footer-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 22px; margin: 18px 0; }
footer a { color: var(--muted); }
.document { max-width: 760px; }
.document-header { padding-block: 48px 32px; }
.document-header .identity { margin-bottom: 32px; }
.document-header h1 { font-size: clamp(40px, 7vw, 56px); }
.document-header .lead { max-width: 650px; font-size: 18px; }
.document h2 { font-size: 27px; }
.document h3 { font-size: 18px; margin-top: 28px; }
.document p, .document li { color: var(--muted); }
.document strong { color: var(--text); }
.document section { padding-block: 32px; border-top: 1px solid var(--border); scroll-margin-top: 24px; }
.document li { padding-left: 4px; margin-bottom: 8px; }
.toc, .note { background: var(--blue); padding: 24px; border-radius: 18px; margin-bottom: 32px; }
.toc h2 { font-size: 18px; }
.toc ol { margin-bottom: 0; padding-left: 20px; columns: 2; column-gap: 36px; }
.toc li { break-inside: avoid; font-size: 14px; }
.note p { margin: 0; font-size: 14px; }
.print-button { background: var(--surface); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 10px 16px; font-size: 14px; }
.guide-shot { margin: 24px auto 0; max-width: 264px; }
.guide-shot img { border-radius: 22px; border: 1px solid var(--border); }
.guide-shot figcaption { font-size: 12px; text-align: center; color: var(--muted); margin-top: 10px; }
@media (max-width: 800px) {
  .hero { gap: 32px; }
  .hero-art { padding: 24px 18px 18px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .privacy-panel { gap: 28px; padding: 32px; }
  .support-grid { gap: 28px; }
}
@media (max-width: 600px) {
  .wrap { width: calc(100% - 40px); }
  .site-nav { min-height: 76px; gap: 12px; }
  .nav-links { gap: 16px; }
  .site-nav a { font-size: 12px; }
  .hero { grid-template-columns: 1fr; padding-block: 40px; gap: 40px; }
  .hero h1 { font-size: clamp(52px, 13vw, 72px); }
  .identity { margin-bottom: 28px; }
  .lead { font-size: 19px; }
  .hero-art { max-width: 360px; width: 100%; margin-inline: auto; padding: 28px 28px 20px; }
  .hero-art img { width: 248px; }
  .section { padding-block: 44px; }
  .feature-grid, .privacy-panel, .support-grid { grid-template-columns: 1fr; }
  .feature-number { margin-bottom: 20px; }
  .privacy-panel { padding: 28px; gap: 12px; }
  .screen-card { flex-basis: 230px; }
  .toc ol { columns: 1; }
}
@media print {
  :root { color-scheme: light; --bg: #fff; --text: #000; --muted: #333; --border: #bbb; --blue: #f0f0f0; --accent: #000; }
  .site-nav, .skip-link, .print-button, .footer-links { display: none; }
  .wrap { width: 100%; max-width: none; }
  body { font-size: 11pt; }
  .document-header { padding-block: 0 16px; }
  .document section { padding-block: 16px; }
  h2, h3 { break-after: avoid; }
  .guide-shot, .note { break-inside: avoid; }
  .guide-shot { max-width: 150px; }
  .toc { display: none; }
  a { color: #000; }
}