:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --fg: #1a1a1a;
  --muted: #5b6470;
  --accent: #4a6fb0;
  --accent-soft: #eef2fa;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
a:hover { opacity: 0.85; }

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

header img.logo {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

header h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

header a {
  color: var(--fg);
  text-decoration: none;
}

h2 {
  margin-top: 2rem;
  font-size: 1.5rem;
  font-weight: 600;
}

h3 {
  margin-top: 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
}

p { margin: 0.75rem 0; }
ul { padding-left: 1.5rem; }

.muted {
  color: var(--muted);
  font-size: 0.95rem;
}

footer {
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

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

.hero {
  text-align: center;
  padding: 2.5rem 0 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 1.5rem;
}

.hero img.hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  box-shadow: 0 4px 14px rgba(74, 111, 176, 0.25);
  margin-bottom: 1rem;
}

.hero h2 {
  font-size: 1.85rem;
  margin: 0.5rem 1rem;
  line-height: 1.25;
}

.hero h2 em {
  color: var(--accent);
  font-style: normal;
}

.hero p {
  max-width: 540px;
  margin: 0.75rem auto;
  padding: 0 1rem;
}

.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
}

.feature h3 {
  margin: 0 0 0.4rem;
  color: var(--accent);
  font-size: 1rem;
}

.feature p {
  margin: 0;
  font-size: 0.93rem;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  text-decoration: none;
  color: var(--fg);
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(74, 111, 176, 0.12);
}

.card h3 {
  margin: 0 0 0.4rem;
  color: var(--accent);
  font-size: 1rem;
}

.card p { margin: 0; }

.legal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
}

@media (max-width: 540px) {
  .features, .cards { grid-template-columns: 1fr; }
  .hero h2 { font-size: 1.55rem; }
  .legal { padding: 1.25rem; }
}