/* ========================================
   PROJECTS GALLERY PAGE - Inspired by wanda.net
   Clean, Minimal, Grid-Based Design
   ======================================== */

/* Page Base */
.projects-page {
    background: var(--color-black);
    min-height: 100vh;
}

/* ========================================
   GALLERY HEADER
   ======================================== */
.gallery-header {
    padding: 140px var(--container-padding) 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.gallery-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 50% 50% at 50% 0%, rgba(40, 40, 40, 0.4) 0%, transparent 70%);
    pointer-events: none;
}

.header-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-gray-500);
    text-decoration: none;
    margin-bottom: 32px;
    transition: color var(--transition-base);
}

.back-link:hover {
    color: var(--color-white);
}

.back-link svg {
    width: 16px;
    height: 16px;
}

.gallery-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 400;
    color: var(--color-white);
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    opacity: 0;
    animation: titleReveal 0.8s ease forwards 0.2s;
}

@keyframes titleReveal {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-500);
    font-weight: 300;
    letter-spacing: 0.02em;
    opacity: 0;
    animation: titleReveal 0.8s ease forwards 0.4s;
}

/* ========================================
   CATEGORY FILTER
   ======================================== */
.category-filter {
    padding: 0 var(--container-padding) 60px;
    opacity: 0;
    animation: titleReveal 0.8s ease forwards 0.5s;
}

.filter-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    max-width: 900px;
    margin: 0 auto;
}

.filter-btn {
    padding: 10px 24px;
    background: transparent;
    border: 1px solid var(--color-gray-800);
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-gray-500);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover {
    border-color: var(--color-gray-600);
    color: var(--color-gray-300);
}

.filter-btn.active {
    background: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-black);
}

/* ========================================
   PROJECTS GRID - Wanda.net Inspired
   ======================================== */
.projects-gallery {
    padding: 0 var(--container-padding) 80px;
    max-width: 1600px;
    margin: 0 auto;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
}

/* Project Card */
.project-card {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    animation: cardReveal 0.6s ease forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.15s; }
.project-card:nth-child(3) { animation-delay: 0.2s; }
.project-card:nth-child(4) { animation-delay: 0.25s; }
.project-card:nth-child(5) { animation-delay: 0.3s; }
.project-card:nth-child(6) { animation-delay: 0.35s; }
.project-card:nth-child(7) { animation-delay: 0.4s; }
.project-card:nth-child(8) { animation-delay: 0.45s; }
.project-card:nth-child(9) { animation-delay: 0.5s; }
.project-card:nth-child(10) { animation-delay: 0.55s; }
.project-card:nth-child(11) { animation-delay: 0.6s; }
.project-card:nth-child(12) { animation-delay: 0.65s; }

@keyframes cardReveal {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.project-card.hidden {
    display: none;
}

/* Thumbnail */
.project-thumbnail {
    position: absolute;
    inset: 0;
}

.thumbnail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(145deg, #1a1a1a 0%, #0d0d0d 100%);
    transition: all var(--transition-slow);
}

.placeholder-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.placeholder-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-gray-600);
    transition: color var(--transition-base);
}

.placeholder-text {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gray-700);
    transition: color var(--transition-base);
}

/* Overlay */
.project-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0);
    transition: all var(--transition-base);
}

.overlay-content {
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-base);
}

.play-btn {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 50%;
    transition: transform var(--transition-base);
}

.play-btn svg {
    width: 24px;
    height: 24px;
    color: var(--color-black);
    margin-left: 4px;
}

/* Project Info */
.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 4px;
}

.project-category {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-year {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 0.7rem;
    color: var(--color-gray-500);
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* Hover Effects */
.project-card:hover .thumbnail-placeholder {
    transform: scale(1.05);
}

.project-card:hover .placeholder-icon svg {
    color: var(--color-gray-400);
}

.project-card:hover .placeholder-text {
    color: var(--color-gray-500);
}

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

.project-card:hover .overlay-content {
    opacity: 1;
    transform: scale(1);
}

.project-card:hover .play-btn:hover {
    transform: scale(1.1);
}

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

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

/* No Results */
.no-results {
    display: none;
    text-align: center;
    padding: 80px 20px;
}

.no-results.visible {
    display: block;
}

.no-results p {
    font-size: 1.1rem;
    color: var(--color-gray-500);
}

/* ========================================
   CTA SECTION
   ======================================== */
.gallery-cta {
    padding: 100px var(--container-padding);
    text-align: center;
    background: linear-gradient(to bottom, var(--color-black) 0%, var(--color-darker) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.gallery-cta h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 12px;
}

.gallery-cta p {
    font-size: 1.1rem;
    color: var(--color-gray-500);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   GALLERY FOOTER
   ======================================== */
.gallery-footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.gallery-footer .footer-bottom {
    border: none;
    padding: 0;
}

/* ========================================
   VIDEO MODAL
   ======================================== */
.video-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.video-modal .modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.video-modal .modal-content {
    position: relative;
    width: 100%;
    max-width: 1100px;
    background: var(--color-gray-900);
    border-radius: 12px;
    overflow: hidden;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-base);
}

.video-modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.video-modal .modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
}

.video-modal .modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.video-modal .modal-close svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

.modal-video {
    aspect-ratio: 16 / 9;
    background: var(--color-black);
}

.video-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: linear-gradient(145deg, #1a1a1a 0%, #0a0a0a 100%);
}

.video-placeholder svg {
    width: 80px;
    height: 80px;
    color: var(--color-gray-600);
}

.video-placeholder p {
    font-size: 0.9rem;
    color: var(--color-gray-600);
}

.video-modal .modal-info {
    padding: 24px 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.video-modal .modal-info h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 4px;
}

.video-modal .modal-info span {
    font-size: 0.8rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-header {
        padding: 120px var(--container-padding) 40px;
    }
    
    .project-info {
        transform: translateY(0);
        background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
    }
    
    .project-year {
        opacity: 1;
    }
}

@media (max-width: 600px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1px;
    }
    
    .gallery-title {
        font-size: 3rem;
    }
    
    .filter-container {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .play-btn {
        width: 56px;
        height: 56px;
    }
    
    .play-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .video-modal {
        padding: 20px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

/* ========================================
   REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    .gallery-title,
    .gallery-subtitle,
    .category-filter,
    .project-card {
        animation: none;
        opacity: 1;
    }
    
    .project-card,
    .thumbnail-placeholder,
    .project-overlay,
    .overlay-content,
    .project-info {
        transition: none;
    }
}