/* Portfolio Tabs - Base Styles */

.portfolio-tabs-container {
    width: 100%;
    margin-bottom: 3rem;
    position: relative;
}

/* Tab Navigation */
.portfolio-tabs-nav {
    display: flex;
    gap: 2rem;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding-bottom: 1rem;
}

.portfolio-tab-button {
    background: none;
    border: none;
    color: var(--secondary-text-color);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.5rem 0;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
    font-family: var(--font-family);
    letter-spacing: var(--letter-spacing);
}

.portfolio-tab-button:hover {
    color: var(--text-color);
}

.portfolio-tab-button.active {
    color: var(--primary-color);
}

/* Tab Indicator Line */
.portfolio-tab-indicator {
    position: absolute;
    bottom: 0;
    left: 50%;
    height: 3px;
    background-color: var(--primary-color);
    transition: left 0.3s ease, width 0.3s ease;
    transform: translateX(-50%);
    width: 100px;
}

/* Tab Panels */
.portfolio-tabs-content {
    position: relative;
}

.portfolio-tab-panel {
    display: none;
    animation: tabFadeIn 0.3s ease;
}

.portfolio-tab-panel.active {
    display: block;
}

/* Tab Fade-in Animation */
@keyframes tabFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .portfolio-tabs-nav {
        gap: 1rem;
        padding-bottom: 0.75rem;
    }

    .portfolio-tab-button {
        font-size: 0.9rem;
        padding: 0.4rem 0;
    }

    .portfolio-tab-indicator {
        height: 2px;
    }
}