:root {
  color-scheme: dark light;
  --background: #0a0a0a;
  --surface: #161616;
  --text: #f7f7f5;
  --muted: #aaa9a5;
  --line: #292929;
  --button: #f7f7f5;
  --button-text: #111;
}
@media (prefers-color-scheme: light) {
  :root {
    --background: #f7f7f5;
    --surface: #fff;
    --text: #111;
    --muted: #62625d;
    --line: #dcdcd6;
    --button: #111;
    --button-text: #fff;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--text); outline-offset: 5px; border-radius: 2px; }
img { max-width: 100%; height: auto; display: block; }
::selection { background: var(--text); color: var(--background); }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip {
  position: absolute;
  top: -100px;
  left: 24px;
  z-index: 10;
  padding: 12px 20px;
  background: var(--button);
  color: var(--button-text);
}
.skip:focus { top: 16px; }
.site-header {
  min-height: 104px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 600; text-decoration: none; letter-spacing: -.04em; font-size: 22px; min-height: 44px; }
.brand img { width: 35px; height: 35px; }
nav { display: flex; gap: 26px; align-items: center; }
nav a { font-size: 14px; color: var(--muted); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
nav a[aria-current="page"], nav a:hover { color: var(--text); }
.eyebrow { text-transform: uppercase; letter-spacing: .16em; font-size: 11px; font-weight: 600; color: var(--muted); margin: 0 0 24px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(48px, 7.2vw, 86px); line-height: 1.04; font-weight: 500; letter-spacing: -.065em; margin-bottom: 28px; }
h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 500; line-height: 1.12; letter-spacing: -.045em; margin-bottom: 24px; }
h3 { font-size: 23px; font-weight: 500; letter-spacing: -.025em; line-height: 1.3; margin-bottom: 14px; }
.muted, .lede { color: var(--muted); }
.lede { font-size: 19px; line-height: 1.65; max-width: 520px; }
.hero { display: grid; grid-template-columns: 1.12fr .88fr; gap: 80px; align-items: center; padding: 64px 0 100px; }
.hero-copy { padding-bottom: 35px; }
.hero-image { width: min(340px, 100%); margin-inline: auto; }
.app-screen { border-radius: 38px; border: 1px solid var(--line); background: #0a0a0a; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 34px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 12px 22px; background: var(--button); color: var(--button-text); text-decoration: none; font-size: 14px; font-weight: 600; border: 1px solid transparent; }
.button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
.launch-note { font-size: 12px; color: var(--muted); margin-top: 18px; }
.section { border-top: 1px solid var(--line); padding: 78px 0; }
.section-heading { max-width: 610px; margin-bottom: 42px; }
.decisions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.decision .arrow { display: block; font-size: 37px; line-height: 1; margin-bottom: 24px; font-weight: 300; }
.decision p { font-size: 15px; color: var(--muted); margin-bottom: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; }
.feature-grid p { font-size: 15px; color: var(--muted); }
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.showcase img { width: min(320px, 100%); margin-inline: auto; }
.small-label { display: block; font-size: 12px; color: var(--muted); margin-top: 16px; text-align: center; }
.plain-list { padding-left: 22px; color: var(--muted); }
.plain-list li { margin-bottom: 12px; }
.video-layout { display: grid; grid-template-columns: 1fr .8fr; gap: 100px; align-items: center; }
.preview { width: min(340px, 100%); display: block; margin-inline: auto; background: #0a0a0a; border: 1px solid var(--line); border-radius: 28px; }
.privacy-line { display: flex; gap: 55px; align-items: start; justify-content: space-between; }
.privacy-line h2 { max-width: 480px; }
.privacy-line div { max-width: 460px; color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 42px; display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; color: var(--muted); font-size: 12px; }
.site-footer .links { display: flex; gap: 22px; }
.document { max-width: 740px; margin: 62px auto 100px; }
.document h1 { font-size: clamp(42px, 6vw, 64px); }
.document .intro { font-size: 20px; color: var(--muted); margin-bottom: 48px; }
.document h2 { font-size: 28px; margin-top: 45px; margin-bottom: 15px; }
.document h3 { margin-top: 28px; }
.document p, .document li { color: var(--muted); }
.document strong, .document b { color: var(--text); font-weight: 600; }
.document ul, .document ol { padding-left: 24px; }
.document li { margin-bottom: 10px; }
.document .notice { border-left: 2px solid var(--line); padding-left: 22px; margin: 28px 0; }
.document .date { font-size: 13px; }
.document .wide-video { max-width: 420px; margin: 35px auto; }
.document details { border-top: 1px solid var(--line); padding: 20px 0; }
.document summary { cursor: pointer; font-weight: 500; min-height: 44px; display: flex; align-items: center; padding-right: 15px; }
.document summary::after { content: "+"; margin-left: auto; padding-left: 15px; color: var(--muted); }
.document details[open] summary::after { content: "−"; }
.document details[open] summary { margin-bottom: 14px; }
.document code { font-size: .85em; }
@media (max-width: 780px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { min-height: 86px; gap: 16px; }
  .brand { font-size: 20px; gap: 9px; }
  .brand img { width: 30px; height: 30px; }
  nav { gap: 16px; }
  nav a { font-size: 12px; }
  .hero { grid-template-columns: 1fr; gap: 34px; padding: 45px 0 65px; }
  .hero-copy { padding: 0; }
  h1 { font-size: clamp(48px, 10vw, 74px); }
  .hero-image { width: min(300px, 84%); }
  .section { padding: 55px 0; }
  .decisions { grid-template-columns: 1fr 1fr; gap: 34px 28px; }
  .feature-grid { grid-template-columns: 1fr; gap: 22px; }
  .showcase, .video-layout { grid-template-columns: 1fr; gap: 36px; }
  .showcase img, .preview { width: min(300px, 84%); }
  .privacy-line { display: block; }
  .document { margin-top: 42px; }
}
@media (max-width: 380px) {
  .wrap { width: calc(100% - 32px); }
  .site-header { flex-wrap: wrap; padding-block: 14px; row-gap: 0; }
  nav { gap: 11px; }
  .brand { font-size: 18px; }
  .brand img { width: 27px; height: 27px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}