:root {
  color-scheme: light;
  --canvas: #f3f3ef;
  --surface: #fff;
  --raised: #fafaf8;
  --line: #e9e9e3;
  --line-strong: #d8d8ce;
  --ink: #1b1b19;
  --muted: #67675f;
  --signal: #1b52bf;
  --signal-soft: #e6edfc;
  --on-signal: #fff;
  --shift-one: #b1cd79;
  --shift-two: #4a9666;
  --shift-three: #347079;
  --on-shift: #12201c;
  --danger: #b42318;
  --shadow: 0 24px 60px rgb(0 0 0 / 12%);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-synthesis: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-appearance="light"]) {
    color-scheme: dark;
    --canvas: #161616;
    --surface: #212121;
    --raised: #2b2b2b;
    --line: #323232;
    --line-strong: #414141;
    --ink: #f4f4ef;
    --muted: #c3c4ba;
    --signal: #80acfa;
    --signal-soft: #25334b;
    --on-signal: #0b1020;
    --shift-one: #d4e4b4;
    --shift-two: #54ab74;
    --shift-three: #2b656e;
    --danger: #ffb4ab;
    --shadow: 0 24px 60px rgb(0 0 0 / 30%);
  }
}
:root[data-appearance="dark"] {
  color-scheme: dark;
  --canvas: #161616;
  --surface: #212121;
  --raised: #2b2b2b;
  --line: #323232;
  --line-strong: #414141;
  --ink: #f4f4ef;
  --muted: #c3c4ba;
  --signal: #80acfa;
  --signal-soft: #25334b;
  --on-signal: #0b1020;
  --shift-one: #d4e4b4;
  --shift-two: #54ab74;
  --shift-three: #2b656e;
  --danger: #ffb4ab;
  --shadow: 0 24px 60px rgb(0 0 0 / 30%);
}
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-size: 16px; line-height: 1.7; }
a { color: var(--signal); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
button, select { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
button, select { color: var(--ink); }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 4px; }
[hidden] { display: none !important; }
img { max-width: 100%; display: block; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3, strong { font-weight: 500; }
h1, h2 { text-wrap: balance; }
.wrap { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 10; top: 12px; left: 12px; padding: 10px 16px; background: var(--ink); color: var(--canvas); border-radius: 8px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--line); }
.header-row { min-height: 84px; display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.brand { color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 12px; line-height: 1.3; flex-shrink: 0; }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.brand strong { font-size: 17px; }
.brand small { display: block; color: var(--muted); font-size: 12px; margin-top: 3px; }
.nav { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--muted); font-size: 14px; text-decoration: none; padding-block: 10px; }
.nav a:hover { color: var(--signal); }
.nav .nav-download { color: var(--signal); }
.hero { padding: 72px 0 64px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 90px; align-items: center; }
.eyebrow { color: var(--signal); font-size: 14px; letter-spacing: .04em; font-weight: 500; }
.hero h1 { font-size: clamp(38px, 4.3vw, 60px); line-height: 1.2; letter-spacing: -.035em; margin-top: 22px; }
.hero-lead { font-size: 19px; color: var(--muted); margin-top: 26px; max-width: 550px; line-height: 1.9; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin-top: 30px; }
.actions > a { min-height: 48px; display: inline-flex; align-items: center; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 10px 23px; border: 1px solid transparent; border-radius: 99px; text-decoration: none; font-size: 16px; font-weight: 500; cursor: pointer; }
.button:hover { text-decoration: none; filter: brightness(.96); }
.primary { background: var(--signal); color: var(--on-signal); }
.secondary { border-color: var(--line-strong); background: var(--surface); color: var(--ink); }
.button[aria-disabled="true"] { background: var(--raised); color: var(--muted); border-color: var(--line-strong); cursor: not-allowed; filter: none; }
.facts { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 22px 0 0; color: var(--muted); font-size: 14px; }
.facts li::before { content: "✓"; margin-right: 7px; color: var(--signal); }
.product-preview { width: min(100%, 370px); justify-self: center; }
.phone { background: var(--canvas); border: 7px solid var(--raised); outline: 1px solid var(--line-strong); border-radius: 34px; box-shadow: var(--shadow); overflow: hidden; }
.phone-status { padding: 14px 23px 0; display: flex; justify-content: space-between; font-size: 11px; }
.phone-body { padding: 17px 20px 22px; }
.phone-title { font-size: 24px; }
.phone-label { color: var(--muted); font-size: 13px; margin-top: 17px; }
.phone-time { display: flex; align-items: baseline; gap: 10px; line-height: 1.15; margin: 8px 0 7px; }
.phone-time strong { font-size: 72px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.055em; }
.phone-time span { color: var(--muted); font-size: 14px; }
.shift-note { font-size: 12px; color: var(--muted); display: flex; gap: 7px; align-items: center; }
.shift-dot { display: inline-block; width: 9px; height: 9px; background: var(--shift-one); border-radius: 50%; flex-shrink: 0; }
.shift-card { background: var(--surface); padding: 16px; border-radius: 22px; margin-top: 18px; }
.shift-heading { display: flex; gap: 12px; justify-content: space-between; align-items: baseline; font-size: 15px; }
.shift-heading small { color: var(--muted); font-size: 12px; }
.day-bar { position: relative; height: 27px; background: var(--line); border-radius: 7px; overflow: hidden; margin-top: 14px; }
.day-bar::before { content: ""; position: absolute; inset: 0; left: 33.3333%; width: 33.3333%; border-radius: 7px; background: var(--shift-one); }
.day-scale { display: flex; justify-content: space-between; margin-top: 3px; color: var(--muted); font-size: 10px; }
.upcoming { margin-top: 17px; padding-block: 4px; }
.upcoming-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 0; font-size: 13px; }
.upcoming-row + .upcoming-row { border-top: 1px solid var(--line); }
.upcoming-row > span:last-child { color: var(--muted); }
figcaption { text-align: center; color: var(--muted); font-size: 12px; margin-top: 17px; }
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 650px; margin-bottom: 35px; }
.section h2, .prose h1 { font-size: clamp(28px, 3vw, 38px); line-height: 1.3; letter-spacing: -.025em; margin-top: 12px; }
.section-heading > p:last-child { margin-top: 18px; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; }
.step-number { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.steps h3 { margin: 10px 0 12px; font-size: 22px; line-height: 1.4; }
.steps p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature-card { padding: 30px; background: var(--surface); border-radius: 20px; }
.feature-card h3 { font-size: 23px; margin-bottom: 12px; }
.feature-card p { color: var(--muted); }
.download-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: 24px; }
.download-card { padding: 32px; border: 1px solid var(--line-strong); border-radius: 24px; background: var(--surface); min-width: 0; }
.platform-heading { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.platform-heading img { width: 52px; height: 52px; border-radius: 13px; }
.platform-heading h3 { font-size: 26px; line-height: 1.3; }
.platform-heading p { color: var(--muted); font-size: 14px; }
.release-status { min-height: 3.4em; color: var(--muted); }
.release-status[data-state="invalid"], .release-status[data-state="expired"] { color: var(--danger); }
.download-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 20px 0; }
.download-note { color: var(--muted); font-size: 14px; }
.release-details { margin-top: 20px; border-top: 1px solid var(--line); padding-top: 16px; }
.release-details summary { cursor: pointer; padding: 6px 0; color: var(--signal); }
.release-details dl { font-size: 13px; margin-bottom: 0; }
.release-details dt { color: var(--muted); margin-top: 12px; }
.release-details dd { margin: 4px 0 0; overflow-wrap: anywhere; }
.release-details code { font-family: ui-monospace, monospace; font-size: 12px; }
.release-notes { white-space: pre-wrap; margin-top: 16px; font-size: 14px; }
.ios-note { color: var(--muted); margin-bottom: 18px; }
.install-steps { margin: 24px 0 0; padding-left: 22px; color: var(--muted); }
.install-steps li { padding: 4px 0 4px 4px; }
.privacy-callout { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.privacy-callout p { color: var(--muted); margin-top: 14px; max-width: 660px; }
.privacy-callout a { flex-shrink: 0; }
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 14px; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; align-items: center; flex-wrap: wrap; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer-links a { color: var(--muted); padding-block: 10px; }
.preferences { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin: 24px 0 0; padding-top: 22px; border-top: 1px solid var(--line); }
.preferences label { display: flex; align-items: center; gap: 10px; }
.preferences select { min-height: 44px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--surface); padding: 7px 28px 7px 10px; }
.prose { max-width: 780px; padding-top: 64px; padding-bottom: 72px; }
.prose .intro { font-size: 19px; color: var(--muted); margin-top: 22px; }
.prose h2 { font-size: 24px; margin: 38px 0 12px; line-height: 1.4; }
.prose p + p { margin-top: 14px; }
.prose ul, .prose ol { padding-left: 25px; }
.prose li { margin: 10px 0; }
.prose .updated { font-size: 14px; color: var(--muted); margin-top: 18px; }
.prose details { padding: 19px 0; border-bottom: 1px solid var(--line-strong); }
.prose summary { cursor: pointer; font-size: 18px; font-weight: 500; }
.prose details p { margin-top: 14px; color: var(--muted); }
.prose code { overflow-wrap: anywhere; }
.notice { padding: 16px; border: 1px solid var(--line-strong); border-radius: 12px; margin-top: 22px; }
.noscript { margin: 16px auto; }
@media (max-width: 1000px) {
  .hero-grid { gap: 40px; }
  .hero h1 { font-size: 43px; }
  .nav { gap: 18px; }
  .hero { padding-top: 48px; }
}
@media (max-width: 720px) {
  .wrap { width: calc(100% - 40px); }
  .header-row { min-height: 74px; flex-wrap: wrap; gap: 10px; padding: 15px 0 9px; }
  .brand img { width: 36px; height: 36px; }
  .nav { width: 100%; justify-content: space-between; gap: 12px; }
  .nav a { font-size: 14px; }
  .hero { padding: 40px 0 45px; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero h1 { margin-top: 16px; font-size: clamp(34px, 9.5vw, 46px); line-height: 1.25; }
  .hero-lead { font-size: 17px; margin-top: 19px; line-height: 1.8; }
  .actions { margin-top: 23px; gap: 13px 20px; }
  .facts { font-size: 13px; margin-top: 18px; gap: 6px 16px; }
  .product-preview { width: min(100%, 330px); }
  .phone-time strong { font-size: clamp(52px, 17vw, 66px); }
  .phone-time span { font-size: 13px; }
  .section { padding: 44px 0; }
  .steps, .feature-grid, .download-grid { grid-template-columns: 1fr; }
  .steps { gap: 30px; }
  .feature-card { padding: 24px; }
  .download-card { padding: 24px; }
  .privacy-callout { display: block; }
  .privacy-callout a { display: inline-block; margin-top: 20px; }
  .prose { padding-top: 38px; padding-bottom: 45px; }
  .prose .intro { font-size: 17px; }
  .footer-row { align-items: flex-start; }
  .preferences { gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
@media (forced-colors: active) {
  .button, .phone, .download-card { border: 1px solid ButtonText; }
  .shift-dot, .day-bar::before { forced-color-adjust: none; }
}
