* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  margin: 0;
  color: #0f172a;
  background: #f8fafc;
  line-height: 1.55;
}
.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}
header {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  padding: 14px 0;
}
header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-weight: 800;
  font-size: 20px;
  color: #0f172a;
  text-decoration: none;
}
nav a {
  margin-left: 20px;
  color: #475569;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
nav a:hover { color: #0f172a; }
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  color: #ffffff;
  padding: 64px 0;
  text-align: center;
}
.hero h1 {
  font-size: 40px;
  line-height: 1.15;
  margin: 0 auto 16px;
  max-width: 760px;
}
.hero p {
  font-size: 18px;
  color: #cbd5e1;
  max-width: 680px;
  margin: 0 auto 26px;
}
.btn {
  display: inline-block;
  background: #2563eb;
  color: #ffffff;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
}
.btn.alt { background: #0f172a; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin: 36px auto;
}
.card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 22px;
}
.card h3 { margin-top: 0; font-size: 18px; }
.price {
  font-size: 32px;
  font-weight: 800;
  margin: 8px 0 14px;
}
.muted { color: #64748b; font-size: 14px; }
.notice-box {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  padding: 18px 22px;
  margin: 28px 0;
}
.legal {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 32px;
  margin: 32px auto;
}
footer {
  border-top: 1px solid #e2e8f0;
  padding: 28px 0;
  margin-top: 48px;
  font-size: 13px;
  color: #64748b;
  text-align: center;
}
footer a {
  color: #475569;
  margin: 0 8px;
  text-decoration: none;
}