body {
    font-family: 'Sarabun', sans-serif;
}
/* Glass effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
/* Gradient background */
.gradient-bg {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
}
/* Smooth transitions */
.menu-item {
    transition: all 0.3s ease;
}
.menu-item:hover {
    transform: translateY(-2px);
    background-color: rgba(255, 255, 255, 0.2);
}
/* Mobile menu */
#mobile-menu {
    transition: transform 0.3s ease-in-out;
}