/* === GALERİ ÖZEL HEADER === */
.gallery-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
   }

.gallery-hero-icon {
    margin-bottom: 15px;
}

.hero-image-icon {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.gallery-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 300;
}

.gallery-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* === GALERİ NAVİGASYON === */
.gallery-nav {
    background: #34495e;
    padding: 0;
}

.gallery-tabs {
    display: flex;
    list-style: none;
    margin: 0;
    justify-content: center;
}

.gallery-tabs li {
    margin: 0;
}

.gallery-tabs a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 25px;
    color: white;
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.gallery-tabs a.active {
    background: rgba(255,255,255,0.1);
    border-bottom-color: #ff7e5f;
}

.gallery-tabs a:hover {
    background: rgba(255,255,255,0.05);
}

.nav-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

/* === İÇERİK ALANI === */
.gallery-content {
    padding: 40px 30px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* === FOTOĞRAF GALERİSİ === */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.photo-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    padding: 0;
}

.photo-image {
    width: 100%;
    height: 200px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.photo-content {
    padding: 20px;
}

.photo-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #2c3e50;
}

.photo-date {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.photo-description {
    color: #5a6c7d;
    line-height: 1.5;
    margin-bottom: 15px;
}

.photo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.tag {
    background: #ecf0f1;
    color: #2c3e50;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.tag.workshop { background: #ffeaa7; }
.tag.seminar { background: #a29bfe; color: white; }
.tag.group { background: #fd79a8; color: white; }
.tag.training { background: #74b9ff; color: white; }

/* === VİDEO GALERİSİ === */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.video-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    padding: 0;
}

.video-container {
    position: relative;
    width: 100%;
    height: 180px;
    background: #f8f9fa;
    cursor: pointer;
    overflow: hidden;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-container:hover .play-overlay {
    opacity: 1;
}

.play-icon {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.video-content {
    padding: 20px;
}

.video-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #2c3e50;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #7f8c8d;
}

.video-duration {
    background: #2c3e50;
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
}

.video-description {
    color: #5a6c7d;
    line-height: 1.5;
}

/* === ETKİNLİK TAKVİMİ === */
.events-timeline {
    max-width: 800px;
    margin: 0 auto 50px;
    position: relative;
}

.events-timeline:before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #3498db;
    border-radius: 2px;
}

.event-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

.event-date {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    margin-right: 30px;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.event-day {
    font-size: 1.5rem;
    line-height: 1;
}

.event-month {
    font-size: 0.8rem;
    opacity: 0.9;
}

.event-content {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    flex: 1;
    border-left: 4px solid #3498db;
}

.event-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #2c3e50;
}

.event-time {
    color: #7f8c8d;
    margin-bottom: 10px;
}

.event-description {
    color: #5a6c7d;
    line-height: 1.6;
}

/* === FİLTRELEME === */
.gallery-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: #ecf0f1;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active {
    background: #3498db;
    color: white;
}

/* === SOCIAL MEDIA ICONS === */
.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.social-link:hover .social-icon {
    transform: scale(1.1);
}

/* === MOBILE RESPONSIVE === */
@media (max-width: 768px) {
    .gallery-tabs {
        flex-direction: column;
    }
    
    .gallery-tabs a {
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }
    
    .nav-icon {
        width: 24px;
        height: 24px;
    }
    
    .photo-grid, .video-grid {
        grid-template-columns: 1fr;
    }
    
    .events-timeline:before {
        left: 25px;
    }
    
    .event-date {
        width: 50px;
        height: 50px;
        margin-right: 20px;
    }
    
    .event-day {
        font-size: 1.2rem;
    }
    
    .gallery-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .gallery-hero h1 {
        font-size: 2rem;
    }
    
    .gallery-hero-icon .hero-image-icon {
        width: 60px;
        height: 60px;
    }
    
    .gallery-content {
        padding: 20px;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .event-item {
        flex-direction: column;
    }
    
    .event-date {
        margin-right: 0;
        margin-bottom: 15px;
        align-self: flex-start;
    }
    
    .events-timeline:before {
        left: 25px;
    }
    
    .photo-image, .video-container {
        height: 150px;
    }
    
    .play-icon {
        width: 40px;
        height: 40px;
    }
}