:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #050b14;
  color: #e7eef9;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  line-height: 1.65;
  background:
    radial-gradient(circle at 78% 6%, rgba(78, 119, 200, .14), transparent 28rem),
    radial-gradient(circle at 12% 28%, rgba(103, 68, 174, .1), transparent 24rem),
    #050b14;
}
a { color: #8ddcff; text-underline-offset: .2em; }
a:hover { color: #c5efff; }
a:focus-visible { outline: 3px solid #8ddcff; outline-offset: 4px; border-radius: 4px; }

.site-header, .site-footer, main { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #1d2b3e;
}
.brand { display: inline-flex; align-items: center; gap: .7rem; color: #f0f6ff; font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.brand img { filter: drop-shadow(0 0 10px rgba(125, 211, 252, .25)); }
nav { display: flex; gap: 1.5rem; }
nav a { color: #9dacc0; font-size: .92rem; font-weight: 650; text-decoration: none; }
nav a[aria-current="page"] { color: #e7eef9; }

main { padding: 76px 0 100px; }
.hero { min-height: 580px; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); align-items: center; gap: clamp(3rem, 8vw, 7rem); }
.eyebrow { margin: 0 0 .7rem; color: #b8a7fb; font-size: .76rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; max-width: 12ch; font-size: clamp(3rem, 7vw, 5.7rem); line-height: .98; letter-spacing: -.055em; }
h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.08; letter-spacing: -.04em; }
h3 { margin: .55rem 0; font-size: 1.15rem; line-height: 1.25; }
.lede { margin: 1.6rem 0 0; max-width: 62ch; color: #aab8ca; font-size: clamp(1.05rem, 2vw, 1.2rem); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 46px; align-items: center; padding: .7rem 1.05rem; border: 1px solid #31435a; border-radius: 12px; color: #dfeaf8; background: #101b2a; font-size: .92rem; font-weight: 750; text-decoration: none; }
.button-primary { border-color: #5c4e97; background: #3d3367; color: #f1edff; cursor: default; }

.sky-card { position: relative; overflow: hidden; padding: 1.4rem; border: 1px solid #2b3c53; border-radius: 24px; background: linear-gradient(145deg, rgba(22, 34, 52, .96), rgba(10, 19, 31, .98)); box-shadow: 0 28px 80px rgba(0, 0, 0, .32); }
.sky-card::before { content: ""; position: absolute; inset: -100px -80px auto auto; width: 230px; height: 230px; border-radius: 50%; background: #485f9b; filter: blur(80px); opacity: .2; }
.sky-card-heading { position: relative; display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; color: #92a2b7; font-size: .82rem; font-weight: 700; }
.status { color: #70ddbd; }
.score-row { position: relative; display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 1rem; padding: 1rem 0; border-top: 1px solid #26364a; }
.score-row div { display: flex; flex-direction: column; }
.score-row strong { color: #f2f6fc; font-size: .98rem; }
.score-row small { color: #8292a7; }
.score-row b { font-size: 1.55rem; font-variant-numeric: tabular-nums; }
.mode-icon { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid; border-radius: 13px; font-size: 1.45rem; }
.galaxy { color: #cabaff; background: #2d2845; border-color: #514873; }
.nebula { color: #72e6d6; background: #173a3b; border-color: #28605e; }
.planet { color: #ffc77d; background: #493522; border-color: #725337; }

.features { padding: 110px 0; border-top: 1px solid #1d2b3e; }
.section-heading { max-width: 720px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 3rem; overflow: hidden; border: 1px solid #27374c; border-radius: 20px; background: #27374c; }
.feature-grid article { min-height: 260px; padding: 1.5rem; background: #0c1624; }
.feature-grid p { color: #93a3b8; font-size: .94rem; }
.feature-number { color: #756ca0; font-size: .75rem; font-weight: 850; letter-spacing: .1em; }

.privacy-callout { display: grid; grid-template-columns: 1.15fr 1fr; gap: 2rem 5rem; align-items: end; padding: clamp(2rem, 6vw, 4rem); border: 1px solid #324359; border-radius: 24px; background: linear-gradient(135deg, #101c2c, #101726); }
.privacy-callout p { margin: 0; color: #a7b5c7; }
.privacy-callout .text-link { grid-column: 2; font-weight: 750; text-decoration: none; }

.document { max-width: 840px; }
.document h1 { max-width: 14ch; font-size: clamp(3rem, 7vw, 5rem); }
.document-body { margin-top: 4rem; }
.document-body section { padding: 1.8rem 0; border-top: 1px solid #26364a; }
.document-body h2 { font-size: 1.4rem; letter-spacing: -.02em; }
.document-body p, .document-body li { color: #aab8ca; }
.licence-list { margin: 1.5rem 0 0; padding: 0; list-style: none; }
.licence-list li { display: flex; justify-content: space-between; gap: 2rem; padding: .8rem 0; border-bottom: 1px solid #1b293a; }

.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; padding: 28px 0 42px; border-top: 1px solid #1d2b3e; color: #7f8fa4; font-size: .85rem; }
.site-footer a { color: #9fb0c4; }

@media (max-width: 760px) {
  .site-header, .site-footer, main { width: min(100% - 28px, 1120px); }
  .site-header { min-height: 66px; }
  nav { gap: 1rem; }
  main { padding-top: 52px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 3.5rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .features { padding: 80px 0; }
  .privacy-callout { grid-template-columns: 1fr; }
  .privacy-callout .text-link { grid-column: 1; }
  .licence-list li { flex-direction: column; gap: .1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}