:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #5a6677;
  --accent: #2f5fd0;
  --hero-from: #16244a;
  --hero-to: #2f5fd0;
  --border: #dde3ec;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141c;
    --surface: #161d28;
    --text: #e6ebf2;
    --muted: #9aa6b8;
    --accent: #8fb0ff;
    --hero-from: #0b1226;
    --hero-to: #22408f;
    --border: #283244;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

.hero {
  background: linear-gradient(135deg, var(--hero-from), var(--hero-to));
  color: #fff;
  padding: 48px 0 40px;
}

.brand { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; font-weight: 600; font-size: 1.1rem; }
.brand span { font-weight: 400; opacity: 0.8; }

h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); line-height: 1.25; margin: 0 0 16px; }

.lead { font-size: 1.1rem; margin: 0 0 20px; opacity: 0.95; }

.badge {
  display: inline-block;
  margin: 0;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  font-size: 0.9rem;
}

main { padding: 16px 16px 40px; }

section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px 22px 10px;
  margin: 20px 0;
}

h2 { font-size: 1.25rem; margin: 18px 0 8px; }

p { margin: 0 0 12px; }

.features { padding-left: 20px; margin: 0 0 12px; }
.features li { margin-bottom: 10px; }

a { color: var(--accent); }

.contact a { font-size: 1.1rem; font-weight: 600; }

footer { color: var(--muted); font-size: 0.9rem; padding: 0 0 32px; text-align: center; }