/* Reusable Header Styles */
.portfolio-header {
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.header-brand {
    flex-shrink: 0;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    line-height: 1.2;
}

.brand-title {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin: 0;
    font-weight: 500;
}

.header-nav {
    display: flex;
    gap: 2rem;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--color-accent);
    background: var(--color-surface);
}

.nav-link.active {
    color: var(--color-accent);
    background: var(--color-surface);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
    }
    
    .header-nav {
        order: 2;
        gap: 1rem;
    }
    
    .header-actions {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .header-actions .btn {
        flex: 1;
        justify-content: center;
    }
    
    .language-selector {
        width: 100%;
    }
    
    .language-selector .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header-nav {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .nav-link {
        text-align: center;
        padding: 0.75rem 1rem;
    }
}