:root {
  color-scheme: light dark;
  --bg: #f5f7fb;
  --surface: rgba(255, 255, 255, 0.88);
  --text: #18202c;
  --muted: #667085;
  --line: rgba(24, 32, 44, 0.1);
  --accent: #3468d4;
  --shadow: 0 18px 50px rgba(20, 35, 70, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(85, 133, 225, 0.18), transparent 35rem),
    var(--bg);
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 36px;
}

header {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 34px;
}

.app-icon {
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  flex: 0 0 76px;
  border-radius: 18px;
  color: white;
  background: linear-gradient(145deg, #6c92eb, #315fc6);
  box-shadow: 0 12px 30px rgba(49, 95, 198, 0.28);
  font-size: 42px;
  font-weight: 300;
}

h1, h2, h3 { letter-spacing: -0.025em; }
h1 { margin: 2px 0 5px; font-size: clamp(2rem, 6vw, 3rem); line-height: 1.05; }
h2 { margin: 0 0 14px; font-size: 1.35rem; }
h3 { margin: 24px 0 10px; font-size: 1rem; }
p, li { line-height: 1.65; }

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.subtitle { margin: 0; color: var(--muted); }

.card {
  margin: 18px 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.card > :last-child { margin-bottom: 0; }
.policy h2:not(:first-child) { margin-top: 30px; }
ol { padding-left: 1.3rem; }

a { color: var(--accent); text-underline-offset: 3px; }

.button {
  display: inline-block;
  margin-top: 6px;
  padding: 11px 17px;
  border-radius: 10px;
  color: white;
  background: var(--accent);
  font-weight: 650;
  text-decoration: none;
}

.contact { margin: 14px 0 0; color: var(--muted); font-size: 0.9rem; }

footer {
  display: flex;
  justify-content: space-between;
  padding: 18px 4px;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 540px) {
  main { padding-top: 40px; }
  header { align-items: flex-start; gap: 16px; }
  .app-icon { width: 58px; height: 58px; flex-basis: 58px; border-radius: 14px; font-size: 31px; }
  .card { padding: 22px; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1117;
    --surface: rgba(25, 30, 39, 0.88);
    --text: #edf1f7;
    --muted: #a7b0bf;
    --line: rgba(255, 255, 255, 0.09);
    --accent: #8badff;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
  }
}