.site-header{background:linear-gradient(180deg,#183c5a,#316692);color:#fff;padding:1rem 0}.header-container{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:1200px;padding:0 1rem}.logo img{max-height:60px;width:auto}.logo h1{font-size:1.5rem;margin:0}.main-nav ul{display:flex;list-style-type:none;margin:0;padding:0}.main-nav li{margin-left:1.5rem}.main-nav a{color:#fff;font-size:.9rem;font-weight:700;text-decoration:none;text-transform:uppercase;transition:color .3s ease}.main-nav a:hover{color:#e0e0e0}@media (max-width:768px){.header-container{align-items:flex-start;flex-direction:column}.main-nav{margin-top:1rem}.main-nav ul{flex-direction:column}.main-nav li{margin-bottom:.5rem;margin-left:0}}