/* 
   Temel Renkler ve Fontlar
   Minimalist, fotoğrafı ön plana çıkaran premium bir yapı.
*/
:root {
    --bg-color: #0d0d0d;
    --text-color: #e5e5e5;
    --accent: #d4af37;
    /* Altın rengi premium his verir */
    --hover-bg: #1a1a1a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Tam Ekran Grid Yapısı */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sol Menü (Navigasyon ve Kategoriler) */
.sidebar {
    width: 350px;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background: linear-gradient(135deg, #111 0%, #000 100%);
    border-right: 1px solid #222;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 10;
}

.brand h1 {
    font-size: 28px;
    font-weight: 300;
    letter-spacing: 2px;
    color: #fff;
    margin-bottom: 5px;
}

.brand p {
    font-size: 12px;
    color: #888;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu ul {
    list-style: none;
    margin-top: 50px;
}

.nav-menu li {
    margin-bottom: 20px;
    transform: translateX(0);
    transition: transform 0.3s ease;
}

.nav-menu li:hover {
    transform: translateX(10px);
}

.nav-menu a {
    font-size: 15px;
    color: #999;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    padding: 5px 0;
}

.nav-menu a.active,
.nav-menu a:hover {
    color: var(--accent);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background-color: var(--accent);
}

.lang-selector {
    margin-top: auto;
    font-size: 12px;
}

.lang-selector a {
    color: #666;
    margin-right: 15px;
}

.lang-selector a.active {
    color: #fff;
    font-weight: bold;
}

/* Sağ İçerik Alanı (Galeriler) */
.main-content {
    margin-left: 350px;
    /* Sidebar genişliği kadar */
    padding: 2px;
    width: calc(100% - 350px);
    background-color: var(--bg-color);
}

/* CSS Masonry (Kiremit) Düzeni */
.gallery-grid {
    display: column;
    column-count: 3;
    column-gap: 4px;
    padding: 2px;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 4px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: #111;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.5s ease;
    opacity: 0.85;
}

.gallery-item:hover img {
    transform: scale(1.05);
    opacity: 1;
}

/* Resim Üstü Bilgi Overlay */
.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 20px 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 100%);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

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

.item-overlay h3 {
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    margin-bottom: 5px;
}

.item-overlay span {
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Kategori Filtreleme Animasyonları (JS İçin) */
.gallery-item.hidden {
    display: none;
}

/* Mobil Uyum (Responsive) */
@media (max-width: 1024px) {
    .gallery-grid {
        column-count: 2;
    }
}

@media (max-width: 768px) {
    .wrapper {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 30px 20px;
        border-right: none;
        border-bottom: 1px solid #222;
        text-align: center;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .nav-menu ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        margin-top: 30px;
    }

    .nav-menu li {
        margin-bottom: 10px;
    }

    .nav-menu li:hover {
        transform: none;
    }

    .gallery-grid {
        column-count: 1;
    }

    /* Footer Mobil */
    .contact-section {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }

    .contact-info p {
        justify-content: center;
    }
}

/* İletişim (Footer) Alanı */
.contact-section {
    padding: 60px 40px;
    background-color: #080808;
    border-top: 1px solid #1a1a1a;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: auto;
}

.contact-info h2 {
    font-size: 20px;
    font-weight: 300;
    color: var(--accent);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.contact-info p {
    color: #888;
    font-size: 14px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info i {
    color: var(--accent);
    font-size: 16px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: #111;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 18px;
    border: 1px solid #222;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--accent);
    color: #000;
    border-color: var(--accent);
    transform: translateY(-3px);
}

/* Scroll Animasyonları (Intersection Observer) */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}