:root {
  color-scheme: dark;
  --background: #070a0f;
  --surface: #101722;
  --surface-soft: #141d2a;
  --border: #263348;
  --text: #f4f7fb;
  --muted: #9aa7bb;
  --purple: #9b73ff;
  --cyan: #41d9ed;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 82% 0%, rgba(139, 92, 246, .18), transparent 27rem),
    radial-gradient(circle at 0% 70%, rgba(34, 211, 238, .08), transparent 26rem),
    var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

.page-shell {
  width: min(100% - 40px, 1060px);
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(135deg, #9b73ff, #2563eb);
  box-shadow: 0 8px 28px rgba(139, 92, 246, .26);
  font-size: 11px;
  letter-spacing: 0;
}

.private-label,
.eyebrow,
.card-label {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
}

.private-label {
  color: var(--muted);
}

.hero {
  padding: 104px 0 82px;
  max-width: 790px;
}

.hero h1 {
  margin: 17px 0 12px;
  font-size: clamp(46px, 9vw, 86px);
  line-height: .98;
  letter-spacing: -.06em;
}

.subtitle {
  margin: 0;
  color: #d4dcf0;
  font-size: clamp(18px, 2.5vw, 25px);
  line-height: 1.35;
}

.intro {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.35fr .85fr;
  gap: 16px;
}

.card {
  min-height: 285px;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(20, 29, 42, .92), rgba(12, 17, 26, .92));
}

.card h2 {
  margin: 13px 0 20px;
  font-size: 24px;
  letter-spacing: -.03em;
}

.card p:not(.card-label),
.card li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card li {
  position: relative;
  padding-left: 18px;
}

.card li::before {
  position: absolute;
  left: 0;
  color: var(--purple);
  content: "•";
}

.purpose-card {
  background:
    radial-gradient(circle at 70% 12%, rgba(139, 92, 246, .2), transparent 13rem),
    var(--surface);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: auto;
  padding: 38px 0 28px;
  color: var(--muted);
  font-size: 11px;
}

footer span:first-child {
  color: #c7d2e6;
  font-weight: 800;
  letter-spacing: .1em;
}

.footer-links { display: flex; gap: 16px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover,
.footer-links a:focus-visible { color: var(--text); text-decoration: underline; }
.legal-content { width: min(100%, 790px); padding: 64px 0 40px; }
.legal-content h1 { margin: 16px 0 12px; font-size: clamp(36px, 6vw, 58px); letter-spacing: -.05em; }
.legal-content h2 { margin: 36px 0 12px; font-size: 21px; }
.legal-content p,
.legal-content li { color: var(--muted); font-size: 15px; line-height: 1.75; }
.legal-content a { color: var(--cyan); }
.legal-content .updated { color: #d4dcf0; font-size: 13px; }

@media (max-width: 680px) {
  .page-shell {
    width: min(100% - 28px, 1060px);
  }

  .private-label {
    display: none;
  }

  .hero {
    padding: 70px 0 54px;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 0;
    padding: 24px;
  }

  footer {
    flex-direction: column;
    padding-top: 28px;
  }
}