* { box-sizing: border-box; }
body { margin: 0; font-family: 'Segoe UI', Arial, sans-serif; color: #1f2933; line-height: 1.6; background: #f4f6f8; }
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; background: #102a43; color: #fff; padding: 1rem 1.5rem; }
.brand { font-size: 1.4rem; font-weight: 700; }
#nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; }
.navigation { width: auto; }
.navigation ul { display: flex; flex-direction: row; list-style: none; gap: 1.25rem; margin: 0; padding: 0; }
.navigation li a { color: #d9e2ec; text-decoration: none; font-weight: 600; padding: 0.4rem 0.2rem; }
.navigation li a:hover { color: #fff; }
.navigation li.active a { color: #fff; border-bottom: 3px solid #f0b429; }
.content { max-width: 960px; margin: 0 auto; padding: 2rem 1.5rem; background: #fff; }
h1 { color: #102a43; }
h2 { color: #243b53; margin-top: 1.8rem; }
.hero { background: #243b53; color: #fff; padding: 2.5rem 1.5rem; text-align: center; border-radius: 8px; margin-bottom: 2rem; }
.hero h1 { color: #fff; }
.cards { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 1.5rem; }
.card { flex: 1 1 280px; background: #f0f4f8; border-radius: 8px; padding: 1.25rem; }
.card h3 { margin-top: 0; color: #102a43; }
.btn { display: inline-block; background: #f0b429; color: #102a43; padding: 0.6rem 1.2rem; border-radius: 5px; text-decoration: none; font-weight: 700; }
ul.features li { margin-bottom: 0.4rem; }
.site-footer { background: #102a43; color: #d9e2ec; text-align: center; padding: 1.5rem; font-size: 0.9rem; }
.contact-info { background: #f0f4f8; border-radius: 8px; padding: 1.5rem; margin-top: 1.5rem; }
.contact-info a { color: #102a43; font-weight: 700; }
@media (max-width: 768px) {
  #nav-toggle { display: block; }
  .navigation { width: 100%; }
  .navigation ul { display: none; flex-direction: column; gap: 0.5rem; width: 100%; margin-top: 1rem; }
  .navigation.nav-open ul { display: flex; }
  .cards { flex-direction: column; }
}