:root {
  color-scheme: dark light;
  --bg: #080b12;
  --surface: #111722;
  --surface-2: #172033;
  --text: #f4f7fb;
  --muted: #a6afc2;
  --line: rgba(255,255,255,.1);
  --accent: #2f6df6;
  --accent-2: #4aa3ff;
  --ok: #19b981;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(47,109,246,.25), transparent 34rem),
    linear-gradient(180deg, #080b12 0%, #0c111b 100%);
  color: var(--text);
}

a {
  color: inherit;
}

.page {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

.hero,
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.035));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(0,0,0,.34);
}

.hero {
  padding: clamp(28px, 7vw, 72px);
}

.app-icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(145deg, #10203f, #215eea);
  color: white;
  font-weight: 800;
  letter-spacing: -.04em;
  box-shadow: 0 16px 40px rgba(47,109,246,.32);
}

.eyebrow {
  margin: 28px 0 8px;
  color: var(--accent-2);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 7vw, 72px);
  letter-spacing: -.045em;
  line-height: .95;
}

h2 {
  margin: 0 0 14px;
  font-size: 28px;
  letter-spacing: -.03em;
}

h3 {
  margin: 26px 0 8px;
  font-size: 19px;
}

p,
li {
  color: var(--muted);
  line-height: 1.65;
}

.lead {
  max-width: 680px;
  margin: 20px 0 0;
  font-size: clamp(18px, 2.5vw, 24px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 700;
}

.primary {
  background: var(--accent);
  color: #fff;
}

.secondary {
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
  color: var(--text);
}

.stack {
  display: grid;
  gap: 18px;
}

.card {
  padding: clamp(22px, 4vw, 36px);
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.list {
  padding-left: 20px;
}

.footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-2: #eef3ff;
    --text: #101828;
    --muted: #596275;
    --line: rgba(16,24,40,.12);
  }

  body {
    background:
      radial-gradient(circle at top right, rgba(47,109,246,.18), transparent 34rem),
      linear-gradient(180deg, #f7f9fd 0%, #eef2f8 100%);
  }

  .hero,
  .card {
    background: rgba(255,255,255,.84);
    box-shadow: 0 24px 80px rgba(16,24,40,.12);
  }
}