:root {
  color-scheme: dark;
  --bg: #04111f;
  --surface: rgba(9, 28, 48, 0.88);
  --surface-2: #0c2135;
  --line: rgba(154, 220, 255, 0.19);
  --text: #edf8ff;
  --muted: #a3b8ca;
  --mint: #6dffc7;
  --cyan: #68eaff;
  --violet: #bc8bff;
  --coral: #ff8da1;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 12%, rgba(104, 234, 255, 0.14), transparent 30rem),
    radial-gradient(circle at 88% 8%, rgba(188, 139, 255, 0.15), transparent 28rem),
    radial-gradient(circle at 52% 100%, rgba(109, 255, 199, 0.08), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-rounded, "SF Pro Rounded", "Avenir Next", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
}

a { color: var(--cyan); }
a:hover { color: var(--mint); }

header, main, footer { width: min(calc(100% - 2rem), 820px); margin-inline: auto; }
header { padding: 2.25rem 0 1rem; }
main { padding-bottom: 3rem; }
footer { padding: 1.5rem 0 3rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.86rem; }

.brand { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--text); text-decoration: none; font-weight: 900; letter-spacing: -0.02em; }
.mark { display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 0.75rem; background: linear-gradient(145deg, var(--mint), var(--cyan)); color: #03111f; box-shadow: 0 0 1.5rem rgba(104, 234, 255, 0.24); }
.eyebrow { margin: 2.4rem 0 0.55rem; color: var(--mint); font-size: 0.76rem; font-weight: 900; letter-spacing: 0.13em; text-transform: uppercase; }
h1 { max-width: 18ch; margin: 0; font-size: clamp(2.25rem, 7vw, 4.2rem); line-height: 1.02; letter-spacing: -0.055em; }
.lede { max-width: 65ch; margin: 1.2rem 0 0; color: var(--muted); font-size: 1.04rem; }
.meta { display: inline-flex; margin-top: 1rem; padding: 0.35rem 0.7rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 0.78rem; }

section { margin-top: 1rem; padding: clamp(1.1rem, 4vw, 1.65rem); border: 1px solid var(--line); border-radius: 1.35rem; background: var(--surface); box-shadow: 0 1.3rem 3.5rem rgba(0, 0, 0, 0.16); }
h2 { margin: 0; font-size: 1.18rem; letter-spacing: -0.025em; }
h3 { margin: 1.25rem 0 0.35rem; font-size: 1rem; }
p, li { color: var(--muted); }
p { margin: 0.65rem 0 0; }
ul, ol { margin: 0.65rem 0 0; padding-left: 1.25rem; }
li + li { margin-top: 0.4rem; }
strong { color: var(--text); }
.notice { border-color: rgba(109, 255, 199, 0.32); background: linear-gradient(145deg, rgba(8, 45, 49, 0.88), var(--surface)); }
.warning { border-color: rgba(255, 141, 161, 0.32); }
.action { display: inline-flex; min-height: 2.9rem; margin-top: 1rem; padding: 0 1rem; align-items: center; justify-content: center; border-radius: 0.9rem; background: linear-gradient(145deg, var(--mint), var(--cyan)); color: #03111f; font-weight: 900; text-decoration: none; transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.action:visited { color: #03111f; }
.action:hover { color: #03111f; background: linear-gradient(145deg, #9dffdf, #86edff); box-shadow: 0 0.75rem 1.75rem rgba(104, 234, 255, 0.24); transform: translateY(-1px); }
.action:focus-visible { outline: 3px solid rgba(237, 248, 255, 0.95); outline-offset: 3px; color: #03111f; }
.nav { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--cyan); }
code { padding: 0.1rem 0.35rem; border-radius: 0.35rem; background: var(--surface-2); color: var(--cyan); }

.product-hero { width: min(calc(100% - 2rem), 1040px); padding-bottom: 2rem; }
.product-hero + main { width: min(calc(100% - 2rem), 1040px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(250px, 0.75fr); gap: clamp(2rem, 7vw, 5rem); align-items: center; padding-top: 2rem; }
.hero-grid h1 { max-width: 12ch; }
.hero-actions, .link-row { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; align-items: center; margin-top: 1.25rem; }
.hero-actions > .action, .hero-actions > .quiet-action { min-height: 3rem; margin-top: 0; }
.quiet-action { display: inline-flex; min-height: 2.9rem; padding: 0 1rem; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 0.9rem; color: var(--text); font-weight: 850; text-decoration: none; transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease; }
.quiet-action:visited { color: var(--text); }
.quiet-action:hover { color: var(--text); border-color: rgba(104, 234, 255, 0.58); background: rgba(104, 234, 255, 0.09); box-shadow: 0 0.7rem 1.5rem rgba(104, 234, 255, 0.12); transform: translateY(-1px); }
.quiet-action:focus-visible { outline: 3px solid rgba(104, 234, 255, 0.88); outline-offset: 3px; color: var(--text); }
.icon-stage { position: relative; display: grid; min-height: 320px; place-items: center; isolation: isolate; }
.icon-stage::before { position: absolute; width: 70%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(104, 234, 255, 0.28), rgba(188, 139, 255, 0.08) 48%, transparent 70%); content: ""; filter: blur(12px); }
.app-icon { position: relative; z-index: 2; width: min(68vw, 230px); border-radius: 24%; box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.42), 0 0 2.5rem rgba(104, 234, 255, 0.2); }
.orbit { position: absolute; z-index: 1; border: 1px solid rgba(109, 255, 199, 0.27); border-radius: 50%; transform: rotate(-18deg); }
.orbit-one { width: 88%; aspect-ratio: 1.65; }
.orbit-two { width: 66%; aspect-ratio: 1.2; border-color: rgba(188, 139, 255, 0.3); transform: rotate(34deg); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.feature { margin: 0; }
.feature-symbol { display: grid; width: 2.65rem; height: 2.65rem; margin-bottom: 0.9rem; place-items: center; border: 1px solid rgba(104, 234, 255, 0.25); border-radius: 0.95rem; background: linear-gradient(145deg, rgba(109, 255, 199, 0.16), rgba(188, 139, 255, 0.14)); color: var(--mint); font-size: 1.3rem; box-shadow: 0 0 1.4rem rgba(104, 234, 255, 0.08); }
.link-row a { font-weight: 800; }

@media (max-width: 520px) {
  header { padding-top: 1.3rem; }
  section { border-radius: 1rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 0.5rem; }
  .icon-stage { min-height: 270px; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero-actions > a { width: 100%; }
}