:root {
  --bg: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --accent: #0071e3;
  --card: #f5f5f7;
  --border: #d2d2d7;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1000px;
  margin: 0 auto;
}

.brand {
  font-weight: 700;
  font-size: 20px;
  text-decoration: none;
  color: var(--text);
}

.brand span { color: var(--accent); }

nav a {
  margin-left: 20px;
  text-decoration: none;
  color: var(--muted);
  font-size: 15px;
}

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

main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.hero {
  text-align: center;
  padding: 60px 0 40px;
}

.hero h1 {
  font-size: 44px;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 20px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 28px;
}

.badge {
  display: inline-block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 48px 0;
}

.feature {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

h2 {
  font-size: 28px;
  margin: 56px 0 16px;
  letter-spacing: -0.3px;
}

.faq details {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.faq summary {
  font-weight: 600;
  font-size: 17px;
  cursor: pointer;
}

.faq details p {
  color: var(--muted);
  margin: 8px 0 0;
  font-size: 15px;
}

.contact-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin-top: 48px;
}

.contact-card p { color: var(--muted); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  margin-top: 12px;
}

.btn:hover { background: #0077ed; }

.legal h1 { font-size: 34px; margin-bottom: 8px; }
.legal .updated { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.legal h2 { font-size: 22px; margin: 36px 0 12px; }
.legal p, .legal li { font-size: 16px; color: #333; }
.legal ul { padding-left: 22px; }

footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  max-width: 1000px;
  margin: 0 auto;
}

footer a { color: var(--muted); margin: 0 10px; text-decoration: none; }
footer a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 17px; }
}