:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #14213d;
  --muted: #5b6b82;
  --brand: #1f5eff;
  --brand-2: #00b4d8;
  --border: #e3e8f0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --surface: #131c2e;
    --text: #e8eefb;
    --muted: #9aa8c0;
    --brand: #5b8cff;
    --brand-2: #38d0ee;
    --border: #22304a;
  }
}

* { box-sizing: border-box; }

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

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

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.logo img { width: 32px; height: 32px; }

nav a {
  margin-left: 20px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover { color: var(--brand); }

.hero {
  padding: 72px 0 56px;
  text-align: center;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 6vw, 3.2rem);
  line-height: 1.15;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  margin: 0 auto;
  max-width: 560px;
  color: var(--muted);
  font-size: 1.1rem;
}

section { padding: 40px 0; }

section h2 {
  margin: 0 0 24px;
  font-size: 1.6rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  margin-bottom: 14px;
}

.card h3 { margin: 0 0 6px; font-size: 1.15rem; }
.card p { margin: 0 0 16px; color: var(--muted); }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.contact {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 20px;
}

.contact p { color: var(--muted); margin: 0 0 16px; }

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}

footer a { color: var(--muted); }

/* Privacy policy page */
.doc { max-width: 760px; padding: 48px 16px; }
.doc h1 { margin-top: 0; }
.doc h2 { margin-top: 32px; font-size: 1.25rem; }
.doc .updated { color: var(--muted); }

@media (max-width: 520px) {
  nav a { margin-left: 14px; }
  .hero { padding: 48px 0 32px; }
}