/* Header Styles to match JavaScript */
.header {
    background-color: var(--background);
    padding: var(--spacing-4) 0;
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color var(--transition-normal);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

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

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.nav-link {
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
}

/* Hamburger Menu Icon */
.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-primary);
    transition: all 0.3s ease-in-out;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .nav-menu, .nav-actions {
        position: fixed;
        right: -100%;
        top: 70px; /* Adjust based on header height */
        flex-direction: column;
        background-color: var(--background);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding-bottom: var(--spacing-4);
    }
    
    .nav-menu {
        gap: 0;
    }

    .nav-link {
        margin: var(--spacing-4) 0;
        border-bottom: none;
    }

    .nav-menu.active, .nav-actions.active {
        right: 0;
    }
    
    .nav-actions {
        top: calc(70px + 240px); /* Position below the nav menu */
    }

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}