/* Galeri Sayfası CSS - ASEC Kulübü */

/* Ana Renkler */
:root {
    --ana-renk: #1B1F3B;
    --gece-mavisi: #2C3E50;
    --mor: #6A0DAD;
    --koyu-mor: #4B0082;
    --menekse: #9370DB;
    --sistem-moru: #B39DDB;
    --acik-mor: #E6E6FA;
}

/* Galeri Header Bölümü */
.gallery-header {
    position: relative;
    padding: 5rem 0;
    text-align: center;
    background-color: #f5f5f5;
    overflow: hidden;
}

.gallery-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><path d="M54.627 0l.83.828-1.415 1.415L51.8 0h2.827zM5.373 0l-.83.828L5.96 2.243 8.2 0H5.374zM48.97 0l3.657 3.657-1.414 1.414L46.143 0h2.828zM11.03 0L7.372 3.657l1.415 1.414L13.858 0H11.03zm32.284 0L49.8 6.485 48.384 7.9l-7.9-7.9h2.83zM16.686 0L10.2 6.485 11.616 7.9l7.9-7.9h-2.83zm20.97 0l9.315 9.314-1.414 1.414L34.828 0h2.83zM22.344 0L13.03 9.314l1.414 1.414L25.172 0h-2.83zM32 0l12.142 12.142-1.414 1.414L30 .828 17.272 13.556l-1.414-1.414L28 0h4zM.284 0l28 28-1.414 1.414L0 2.544V0h.284zM0 5.373l25.456 25.455-1.414 1.415L0 8.2V5.374zm0 5.656l22.627 22.627-1.414 1.414L0 13.86v-2.83zm0 5.656l19.8 19.8-1.415 1.413L0 19.514v-2.83zm0 5.657l16.97 16.97-1.414 1.415L0 25.172v-2.83zM0 28l14.142 14.142-1.414 1.414L0 30.828V28zm0 5.657L11.314 44.97l-1.414 1.414L0 36.485v-2.83zm0 5.657L8.485 47.8l-1.414 1.414L0 42.143v-2.83zm0 5.657l5.657 5.657-1.414 1.415L0 47.8v-2.83zm0 5.657l2.828 2.83-1.414 1.413L0 53.456v-2.83zM54.627 60L30 35.373 5.373 60H8.2L30 38.2 51.8 60h2.827zm-5.656 0L30 41.03 11.03 60h2.828L30 43.858 46.142 60h2.83zm-5.656 0L30 46.686 16.686 60h2.83L30 49.515 40.485 60h2.83zm-5.657 0L30 52.343 22.344 60h2.83L30 55.172 34.828 60h2.83zM32 60l-2-2-2 2h4zM59.716 0l-28 28 1.414 1.414L60 2.544V0h-.284zM60 5.373L34.544 30.828l1.414 1.415L60 8.2V5.374zm0 5.656L37.373 33.656l1.414 1.414L60 13.86v-2.83zm0 5.656l-19.8 19.8 1.415 1.413L60 19.514v-2.83zm0 5.657l-16.97 16.97 1.414 1.415L60 25.172v-2.83zM60 28L45.858 42.142l1.414 1.414L60 30.828V28zm0 5.657L48.686 44.97l1.414 1.414L60 36.485v-2.83zm0 5.657L51.515 47.8l1.414 1.414L60 42.143v-2.83zm0 5.657l-5.657 5.657 1.414 1.415L60 47.8v-2.83zm0 5.657l-2.828 2.83 1.414 1.413L60 53.456v-2.83zM39.9 16.385l1.414-1.414L30 3.658 18.686 14.97l1.415 1.415 9.9-9.9 9.9 9.9zm-2.83 2.828l1.415-1.414L30 9.313 21.515 17.8l1.414 1.413L30 11.8l7.07 7.414z" fill="%231B1F3B" fill-rule="evenodd" fill-opacity="0.05"/></svg>');
    z-index: 0;
}

.gallery-header h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    color: var(--ana-renk);
    background: linear-gradient(135deg, var(--koyu-mor), var(--mor));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 1;
}

.gallery-header p {
    font-size: 1.3rem;
    color: var(--gece-mavisi);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 500;
    z-index: 1;
    position: relative;
}

/* Filtre Butonları */
.gallery-filters {
    padding: 2rem 0;
    background-color: #fff;
    border-bottom: 1px solid #f0f0f0;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    background-color: #f5f5f5;
    border: none;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gece-mavisi);
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.filter-btn:hover {
    background-color: #e9e9e9;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--koyu-mor), var(--mor));
    color: #fff;
    box-shadow: 0 4px 15px rgba(106, 13, 173, 0.2);
}

/* Galeri Grid */
.gallery-grid {
    padding: 4rem 0;
    background-color: #fff;
}

.gallery-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    cursor: pointer;
    height: 300px;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

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

.gallery-item-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: #fff;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.gallery-item:hover .gallery-item-info {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.gallery-item-info p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.gallery-item-info a {
    color: #fff;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.gallery-item-info a:hover {
    color: var(--sistem-moru);
}

/* Lightbox Stili */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 5px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lightbox-close:hover {
    color: var(--sistem-moru);
    transform: rotate(90deg);
}

/* Responsive Tasarım */
@media (max-width: 992px) {
    .gallery-header h2 {
        font-size: 3rem;
    }
    
    .gallery-items {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .gallery-header h2 {
        font-size: 2.5rem;
    }
    
    .gallery-header p {
        font-size: 1.1rem;
    }
    
    .filter-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .gallery-items {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .gallery-item {
        height: 250px;
    }
}

@media (max-width: 576px) {
    .gallery-header {
        padding: 4rem 0;
    }
    
    .gallery-header h2 {
        font-size: 2rem;
    }
    
    .gallery-header p {
        font-size: 1rem;
    }
    
    .filter-buttons {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
    
    .gallery-items {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}