/* Portfolio Page Specific Styles */

/* Portfolio Hero */
.portfolio-hero {
    padding: 120px 0 40px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
}

.page-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* Disciplines Overview */
.disciplines-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.discipline-blurb h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.discipline-blurb p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    text-align: left;
}

/* Category Descriptions */
.category-description {
    margin-bottom: 2rem;
    max-width: 800px;
}

.category-description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    text-align: left;
}

/* Projects Section */
.projects-section {
    padding: 60px 0;
    background: var(--bg-dark);
}

.projects-category {
    margin-bottom: 80px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 4rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.category-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

/* Project Card */
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-medium);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
}

/* Project Image */
.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9), rgba(139, 92, 246, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-medium);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.view-project {
    color: white;
    font-weight: 600;
    font-size: 1.125rem;
    transform: translateY(10px);
    transition: var(--transition-medium);
}

.project-card:hover .view-project {
    transform: translateY(0);
}

/* Project Content */
.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Project Tags */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    padding: 0.375rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* Project Links */
.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.project-link:hover {
    gap: 0.75rem;
}

.project-link i {
    transition: var(--transition-fast);
}

.project-link:hover i {
    transform: translateX(3px);
}

/* Hidden state for filtered items */
.project-card.hidden {
    display: none;
}

/* Section Divider */
.section-divider {
    margin: 60px 0;
    height: 150px;
    overflow: hidden;
    opacity: 0.1;
    position: relative;
}

.divider-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Empty state */
.empty-state {
    color: var(--text-tertiary);
    font-style: italic;
}

/* Loading Animation */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.project-card.loading {
    background: linear-gradient(
        90deg,
        var(--bg-card) 0px,
        rgba(255, 255, 255, 0.05) 200px,
        var(--bg-card) 400px
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Responsive */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .disciplines-overview {
        gap: 2rem;
    }
    
    .project-card {
        aspect-ratio: 4/3;
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .disciplines-overview {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 2rem;
    }
    
    .discipline-blurb h3 {
        font-size: 1.3rem;
    }
    
    .discipline-blurb p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .category-description p {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .project-card {
        aspect-ratio: 16/10;
    }
}

@media (max-width: 480px) {
    .projects-grid {
        gap: 1.5rem;
    }
    
    .project-card {
        aspect-ratio: 3/2;
    }
    
    .project-content h3 {
        font-size: 1.25rem;
    }
    
    .project-meta {
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .project-meta span {
        font-size: 0.8rem;
        padding: 0.25rem 0.5rem;
    }
}

/* Hover Effects for Touch Devices */
@media (hover: none) {
    .project-card:active {
        transform: scale(0.98);
    }
    
    .project-overlay {
        opacity: 0;
    }
}