/* Header styles */
header {
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 1rem 0;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
}

nav a:hover {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    transform: translateY(-2px);
}

/* Active state for current page */
nav a.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

/* Responsive design for navigation */
@media (max-width: 768px) {
    nav ul {
        gap: 1rem;
        padding: 0.8rem 0;
    }
}