/* Header Styles */
header {
    background: linear-gradient(135deg, var(--dark) 0%, #16213e 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 0.5rem 0;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: white;
}

.logo i {
    font-size: 2rem;
    color: var(--primary);
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.logo span {
    color: var(--secondary);
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a:hover {
    color: var(--secondary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: width 0.3s;
}

.nav-menu a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 2px solid var(--primary);
    color: white;
}

.desktop-only {
    display: inline-flex;
}

/* Mobile Navigation */
@media (max-width: 992px) {
    .desktop-only {
        display: none !important;
    }
    
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--dark);
        transition: left 0.3s ease;
        z-index: 999;
        padding: 2rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid #2d3b5e;
        font-size: 1.1rem;
    }
    
    .nav-menu a::after {
        display: none;
    }
}