/* ========================================
   Projects Page Styles
   Black & White Theme
   ======================================== */

/* Section Layout */
.projects-section,
.skills-section,
.timeline-section {
    padding: 4rem 3rem;
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid var(--border);
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.section-label {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.section-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 400;
}


/* ========================================
   Projects Grid
   ======================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    border-color: var(--text);
}

/* Project Image */
.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--bg-secondary);
    cursor: pointer;
}

/* Project Image Gallery (for multiple images) */
.project-image-gallery {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
    background: var(--bg-secondary);
}

.gallery-main {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    cursor: pointer;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-main:hover img {
    transform: scale(1.05);
}

.gallery-main .project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-main:hover .project-overlay {
    opacity: 1;
}

.gallery-thumb {
    position: relative;
    overflow: hidden;
    width: 120px;
    cursor: pointer;
    border-left: 1px solid var(--border);
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-thumb:hover img {
    transform: scale(1.1);
}

.gallery-thumb .project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-thumb:hover .project-overlay {
    opacity: 1;
}

.gallery-thumb .view-project {
    font-size: 0.65rem;
    text-align: center;
    padding: 0.25rem;
}

@media (max-width: 768px) {
    .project-image-gallery {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
    }
    
    .gallery-thumb {
        width: 100%;
        height: 80px;
        border-left: none;
        border-top: 1px solid var(--border);
    }
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.4s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.4s ease;
}

.project-card:hover .project-overlay {
    background: rgba(0, 0, 0, 0.6);
}

.view-project {
    color: white;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.75rem 1.5rem;
    border: 1px solid white;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
    text-decoration: none;
    cursor: pointer;
}

.project-card:hover .view-project {
    opacity: 1;
    transform: translateY(0);
}

.view-project:hover {
    background: white;
    color: var(--text);
}

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

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-type {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.project-year {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'Cormorant Garamond', serif;
    letter-spacing: 0.05em;
}

.project-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
    line-height: 1.2;
}

.project-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    font-style: italic;
}

.project-description {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* Project Contributions */
.project-contributions {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border-left: 2px solid var(--text);
}

.contribution-label {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text);
    font-weight: 500;
    display: block;
    margin-bottom: 0.75rem;
}

.contribution-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem 1rem;
}

.contribution-list li {
    font-size: 0.85rem;
    color: var(--text-muted);
    position: relative;
    padding-left: 1rem;
}

.contribution-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

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

.tag {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: var(--bg);
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.tag:hover {
    border-color: var(--text);
    color: var(--text);
}

/* Project Link Button */
.project-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--text);
    color: var(--bg);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: transparent;
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--text);
}

/* Award Badge */
.award-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    border: 1px solid var(--border-dark);
    padding: 0.4rem 0.85rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
    color: var(--text);
}

/* Skills Legend */
.skills-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.legend-item {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.legend-item strong {
    color: var(--text);
}

/* ========================================
   PDF Viewer Modal
   ======================================== */
.pdf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.pdf-modal.active {
    display: flex;
}

.pdf-modal-content {
    width: 100%;
    max-width: 1100px;
    height: 90vh;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.pdf-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.pdf-modal-header h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.2rem;
    font-weight: 400;
    margin: 0;
}

.pdf-modal-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pdf-download-btn {
    padding: 0.5rem 1rem;
    background: var(--text);
    color: var(--bg);
    text-decoration: none;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
    transition: all 0.3s ease;
}

.pdf-download-btn:hover {
    background: transparent;
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--text);
}

.pdf-close-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.25rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.pdf-close-btn:hover {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

.pdf-viewer-container {
    flex: 1;
    overflow: hidden;
    background: #525659;
}

.pdf-viewer-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Mobile adjustments for PDF viewer */
@media (max-width: 768px) {
    .pdf-modal {
        padding: 0;
    }
    
    .pdf-modal-content {
        height: 100vh;
        max-width: 100%;
    }
    
    .pdf-modal-header {
        padding: 0.75rem 1rem;
    }
    
    .pdf-modal-header h3 {
        font-size: 0.9rem;
    }
    
    .pdf-download-btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.65rem;
    }
}


/* ========================================
   PDF Viewer Modal
   ======================================== */

.pdf-viewer-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.pdf-viewer-modal.active {
    display: flex;
}

.pdf-viewer-container {
    width: 100%;
    max-width: 1200px;
    height: 90vh;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.pdf-viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.pdf-viewer-header h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text);
}

.pdf-viewer-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pdf-download-btn {
    padding: 0.5rem 1rem;
    background: var(--text);
    color: var(--bg);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.pdf-download-btn:hover {
    background: transparent;
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--text);
}

.pdf-close-btn {
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: opacity 0.3s ease;
}

.pdf-close-btn:hover {
    opacity: 0.6;
}

.pdf-viewer-content {
    flex: 1;
    overflow: hidden;
}

.pdf-viewer-content iframe {
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 768px) {
    .pdf-viewer-modal {
        padding: 0;
    }

    .pdf-viewer-container {
        height: 100vh;
        max-width: 100%;
    }

    .pdf-viewer-header {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .pdf-viewer-header h3 {
        font-size: 1rem;
    }
}


/* ========================================
   Skills Grid (from projects)
   ======================================== */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg);
    padding: 2rem;
    border: 1px solid var(--border);
}

.skill-category-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.skill-list {
    list-style: none;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.skill-item:last-child {
    border-bottom: none;
}

.skill-name {
    font-size: 0.95rem;
    color: var(--text);
}

.skill-level {
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--border);
}


/* ========================================
   Timeline
   ======================================== */

.timeline-section {
    border-bottom: 1px solid var(--border);
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-bottom: 3rem;
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 9px;
    height: 9px;
    background: var(--text);
    transform: translateX(-4px) rotate(45deg);
}

.timeline-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.timeline-content {
    padding-top: 0;
}

.timeline-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 0.3rem;
}

.timeline-institution {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}


/* ========================================
   Mobile Responsiveness
   ======================================== */

@media (max-width: 968px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .projects-section,
    .skills-section,
    .timeline-section {
        padding: 3rem 1.5rem;
    }

    .section-header {
        flex-direction: column;
        gap: 0.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .project-title {
        font-size: 1.5rem;
    }

    .project-content {
        padding: 1.5rem;
    }

    .contribution-list {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .timeline-item::before {
        left: -1.5rem;
    }
}