:root {
  color-scheme: light;
  --ink: #0a1718;
  --ink-soft: #163032;
  --mist: #f3f6f3;
  --paper: #fbfcfa;
  --white: #fff;
  --cyan: #19b7c6;
  --green: #3ccb8c;
  --text: #122526;
  --muted: #5d6c6d;
  --line: rgba(10, 23, 24, 0.14);
  --line-dark: rgba(255, 255, 255, 0.16);
  --radius-lg: 36px;
  --radius-md: 24px;
  --shadow: 0 34px 90px rgba(1, 12, 13, 0.24);
  --shell: min(1200px, calc(100% - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, summary { font: inherit; }
p, h1, h2, h3, dl, dd, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

.shell { width: var(--shell); margin-inline: auto; }
.narrow { width: min(900px, calc(100% - 64px)); margin-inline: auto; }
.section { padding: 132px 0; }
.section-light { background: var(--mist); }
.section-heading { max-width: 760px; margin-bottom: 72px; }
.section-heading > p:last-child { margin-top: 24px; color: var(--muted); font-size: 18px; line-height: 1.8; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 420px); gap: 80px; max-width: none; align-items: end; }
.section-index, .kicker, .card-label {
  color: #087b85;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.section-index { margin-bottom: 22px; }
.kicker-on-dark { color: #73dce4; }
h1 { font-size: clamp(58px, 6vw, 92px); line-height: .99; letter-spacing: -.065em; }
h2 { font-size: clamp(42px, 4.5vw, 68px); line-height: 1.08; letter-spacing: -.052em; }
h3 { font-size: 22px; line-height: 1.3; letter-spacing: -.025em; }
.large-copy { font-size: 24px; line-height: 1.65; letter-spacing: -.02em; }

.skip-link {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; border-radius: 6px; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 72px;
  background: rgba(10, 23, 24, .92);
  color: var(--white);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(18px);
}
.nav { height: 100%; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 720; letter-spacing: -.02em; }
.brand img { border-radius: 10px; }
.nav-links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav-links a { color: rgba(255, 255, 255, .7); font-size: 14px; transition: color .2s ease; }
.nav-links a:hover { color: var(--white); }
.launch-status { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; color: rgba(255, 255, 255, .84); font-size: 13px; }
.launch-status > span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

.hero { position: relative; min-height: calc(100svh - 72px); overflow: hidden; background: var(--ink); color: var(--white); }
.hero-backdrop { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 23, 24, .96) 0%, rgba(10, 23, 24, .54) 50%, rgba(10, 23, 24, .18) 100%), url("./assets/marketing/hero-backplate.jpg") center / cover no-repeat; }
.hero-layout { position: relative; min-height: calc(100svh - 72px); display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 48px; padding-block: 72px; }
.hero-copy { position: relative; z-index: 3; max-width: 650px; }
.hero-copy .kicker { margin-bottom: 28px; }
.hero-lead { max-width: 570px; margin-top: 32px; color: rgba(255, 255, 255, .72); font-size: 20px; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 40px; }
.button, .store-label { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 999px; font-size: 14px; font-weight: 650; }
.button-primary { background: var(--cyan); color: #031415; transition: transform .2s ease, background .2s ease; }
.button-primary:hover { background: #4ed2dc; transform: translateY(-2px); }
.store-label { border: 1px solid rgba(255, 255, 255, .22); color: rgba(255, 255, 255, .76); }
.hero-note { margin-top: 20px; color: rgba(255, 255, 255, .45); font-size: 12px; }

.product-stage { position: relative; }
.hero-stage { min-height: 660px; }
.device { overflow: hidden; background: #071213; box-shadow: var(--shadow); }
.device img { width: 100%; height: 100%; object-fit: cover; }
.phone { border: 5px solid #142426; border-radius: 46px; }
.phone-main { position: absolute; z-index: 2; width: min(310px, 45%); right: 4%; top: 2%; transform: rotate(2deg); }
.phone-secondary { position: absolute; z-index: 1; width: min(270px, 39%); left: 5%; bottom: 0; transform: rotate(-6deg); filter: brightness(.9); }
.hero-stage figcaption, .training-stage figcaption { position: absolute; color: rgba(255, 255, 255, .55); font-size: 12px; letter-spacing: .04em; }
.hero-stage figcaption { right: 4%; bottom: 1%; }

.site-footer { background: #061112; color: rgba(255, 255, 255, .7); }
.footer-inner { min-height: 190px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 36px; }
.brand-footer { color: var(--white); }
.footer-inner > p:not(.copyright) { font-size: 14px; }
.footer-links { display: flex; gap: 22px; font-size: 13px; }
.footer-links a:hover { color: var(--white); }
.footer-legal { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 0 28px; border-top: 1px solid var(--line-dark); font-size: 12px; }
.filing-records { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 16px; }
.filing-records a:hover { color: var(--white); }

.legal-page { min-height: 70vh; padding: 96px 0 128px; background: var(--mist); }
.legal-content { width: min(780px, calc(100% - 48px)); margin-inline: auto; }
.legal-content .eyebrow { color: #087b85; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.legal-content h1 { margin: 18px 0 40px; color: var(--ink); font-size: clamp(46px, 6vw, 72px); }
.legal-content h2 { margin: 52px 0 14px; font-size: 25px; letter-spacing: -.03em; }
.legal-content p, .legal-content li { color: #455657; font-size: 17px; line-height: 1.85; }
.legal-content p + p { margin-top: 16px; }
.legal-content ul { padding-left: 22px; }
.legal-content a { color: #087b85; text-decoration: underline; text-underline-offset: 3px; }
