/* Reset / basic */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
a { text-decoration: none; color: inherit; }

/* Container */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* Header / Nav */
.site-header { background: #fff; border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 1000; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; }
.logo { font-size: 1.5rem; font-weight: bold; }
.site-nav ul { list-style: none; display: flex; gap: 1.5rem; }
.site-nav a { color: #333; transition: color .2s; }
.site-nav a:hover { color: #0072CE; }
.nav-toggle { display: none; }

/* Hero */
.hero { position: relative; overflow: hidden; }
.hero img { width: 100%; height: auto; display: block; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); color: #fff; display: flex; align-items: center; justify-content: center; text-align: center; padding: 2rem; }
.hero-overlay h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.hero-overlay p { font-size: 1.25rem; margin-bottom: 1.5rem; }
.btn { display: inline-block; padding: 0.75rem 1.5rem; background: #0072CE; color: #fff; border: none; border-radius: 4px; font-size: 1rem; transition: background .2s; }
.btn:hover { background: #005bb5; }

/* Featured section */
.featured-section { padding: 4rem 0; }
.featured-section h2 { text-align: center; margin-bottom: 2rem; font-size: 2rem; }
.features { display: flex; flex-wrap: wrap; gap: 2rem; }
.feature { flex: 1 1 calc(33% - 2rem); background: #f9f9f9; padding: 1.5rem; border-radius: 6px; text-align: center; }
.feature img { max-width: 100%; height: auto; border-radius: 4px; margin-bottom: 1rem; }
.feature h3 { margin-bottom: 0.75rem; }
.feature p { margin-bottom: 1rem; }
.feature a { color: #0072CE; font-weight: bold; }

/* Footer */
.site-footer { background: #222; color: #ccc; padding: 2rem 0; }
.site-footer .footer-links { display: flex; flex-wrap: wrap; gap: 2rem; margin-bottom: 1.5rem; }
.site-footer h4 { color: #fff; margin-bottom: 0.5rem; }
.site-footer ul { list-style: none; }
.site-footer a { color: #ccc; transition: color .2s; }
.site-footer a:hover { color: #fff; }
.social-links li { display: inline-block; margin-right: 1rem; }
.site-footer p { font-size: 0.875rem; text-align: center; }

/* Responsive */
@media (max-width: 768px) {
  .features { flex-direction: column; }
  .feature { flex: 1 1 100%; }
  .site-nav ul { flex-direction: column; gap: 1rem; }
  .nav-toggle { display: block; background: none; border: none; font-size: 1.5rem; }
  .site-nav { display: none; }
  .site-nav.open { display: block; }
}