/* General Reset & Base Styles */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; background-color: #f4f4f4; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Site Header */
.site-header { background-color: #003366; color: #fff; padding: 1rem 0; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2); position: sticky; top: 0; z-index: 1000; }
.header-container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; display: flex; justify-content: space-between; align-items: center; }
.site-header .logo { font-family: 'Arial Black', sans-serif; font-size: 2.2rem; font-weight: bold; color: #FFD700; text-transform: uppercase; letter-spacing: 1px; padding: 0.5rem 0; transition: color 0.3s ease; }
.site-header .logo:hover { color: #fff; }
.main-nav .nav-list { display: flex; gap: 1.5rem; }
.main-nav .nav-list a { color: #fff; font-weight: 500; padding: 0.5rem 0; position: relative; transition: color 0.3s ease; }
.main-nav .nav-list a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background-color: #FFD700; transition: width 0.3s ease; }
.main-nav .nav-list a:hover::after,
.main-nav .nav-list a.active::after { width: 100%; }
.main-nav .nav-list a:hover,
.main-nav .nav-list a.active { color: #FFD700; }
.hamburger-menu { display: none; background: none; border: none; cursor: pointer; padding: 10px; z-index: 1100; }
.hamburger-menu span { display: block; width: 25px; height: 3px; background-color: #fff; margin: 5px 0; transition: all 0.3s ease-in-out; }

/* Site Footer */
.site-footer { background-color: #003366; color: #fff; padding: 3rem 0 1rem; font-size: 0.9rem; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.footer-col { flex: 1; min-width: 250px; }
.footer-col.about-us { flex-basis: 30%; }
.footer-col h4, .footer-col .footer-logo .logo { color: #FFD700; margin-bottom: 1rem; font-size: 1.2rem; font-weight: bold; }
.footer-col .footer-logo .logo { font-size: 1.8rem; letter-spacing: 0.5px; }
.footer-col p { margin-bottom: 0.5rem; color: #ccc; }
.footer-col a { color: #ccc; transition: color 0.3s ease; }
.footer-col a:hover { color: #FFD700; }
.footer-nav ul { list-style: none; }
.footer-nav li { margin-bottom: 0.5rem; }
.footer-bottom { text-align: center; padding-top: 1rem; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.footer-bottom p { color: #ccc; }

/* Responsive Styles */
@media (max-width: 768px) {
  .header-container { padding: 0 1rem; }
  .main-nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background-color: #003366; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2); padding: 1rem 0; z-index: 999; }
  .main-nav.active { display: flex; }
  .main-nav .nav-list { flex-direction: column; text-align: center; gap: 0; }
  .main-nav .nav-list li { padding: 0.75rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
  .main-nav .nav-list li:last-child { border-bottom: none; }
  .main-nav .nav-list a { display: block; padding: 0.75rem 1rem; }
  .main-nav .nav-list a::after { display: none; }
  .main-nav .nav-list a:hover,
  .main-nav .nav-list a.active { background-color: rgba(255, 255, 255, 0.1); color: #FFD700; }
  .hamburger-menu { display: block; }
  .hamburger-menu.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .hamburger-menu.active span:nth-child(2) { opacity: 0; }
  .hamburger-menu.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .footer-container { flex-direction: column; align-items: center; text-align: center; }
  .footer-col { min-width: unset; flex-basis: auto; width: 100%; }
  .footer-col.about-us { order: -1; }
  .footer-nav ul { padding: 0; }
  .footer-nav li { margin-bottom: 0.3rem; }
}