/* Navbar Logo Responsive */
        .detail-nav-logo {
            height: 64px;
            width: auto;
        }

        @media (max-width: 768px) {
            .detail-nav-logo {
                height: 48px;
            }
        }

        /* ===== ÜRÜN DETAY SAYFA STİLLERİ ===== */
        .product-detail-section {
            padding: 60px 0 80px;
        }

        .product-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }

        /* Görsel Alanı */
        .product-detail-image-wrap {
            position: sticky;
            top: 100px;
        }

        .product-detail-image {
            background: var(--black-card);
            border: 1px solid var(--black-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .product-detail-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .product-detail-image:hover img {
            transform: scale(1.04);
        }

        .product-detail-image .no-image-icon {
            font-size: 8rem;
            color: rgba(230, 57, 70, 0.15);
        }

        .product-detail-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--red);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 1px;
            text-transform: uppercase;
            z-index: 2;
        }

        /* Bilgi Alanı */
        .product-detail-info {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .product-detail-cat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.1);
            color: var(--red);
            border: 1px solid rgba(230, 57, 70, 0.2);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            text-decoration: none;
            transition: var(--transition);
            width: fit-content;
        }

        .product-detail-cat:hover {
            background: var(--red);
            color: var(--white);
        }

        .product-detail-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--white);
        }

        .product-detail-desc {
            color: var(--white-60);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* Özellikler */
        .product-detail-features {
            background: var(--black-card);
            border: 1px solid var(--black-border);
            border-radius: var(--radius);
            padding: 24px;
        }

        .product-detail-features h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--white-80);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .product-detail-features h4 i {
            color: var(--red);
        }

        .features-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--white-80);
            padding: 8px 0;
            border-bottom: 1px solid var(--black-border);
        }

        .feature-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .feature-item i {
            color: var(--red);
            font-size: 0.8rem;
            flex-shrink: 0;
            width: 16px;
        }

        /* Aksiyon Butonları */
        .product-detail-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .btn-whatsapp-detail {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: var(--whatsapp);
            color: var(--white);
            border: 2px solid var(--whatsapp);
            border-radius: var(--radius);
            padding: 16px 28px;
            font-size: 1rem;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-whatsapp-detail:hover {
            background: var(--whatsapp-dark);
            border-color: var(--whatsapp-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
        }

        .btn-whatsapp-detail i {
            font-size: 1.3rem;
        }

        .btn-call-detail {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: transparent;
            color: var(--white);
            border: 2px solid var(--white-20);
            border-radius: var(--radius);
            padding: 14px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-call-detail:hover {
            background: var(--white-10);
            border-color: var(--white-60);
            transform: translateY(-2px);
        }

        /* İletişim Bilgi Kutusu */
        .contact-info-box {
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.08) 0%, rgba(230, 57, 70, 0.03) 100%);
            border: 1px solid rgba(230, 57, 70, 0.2);
            border-radius: var(--radius);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .contact-info-box i {
            font-size: 1.5rem;
            color: var(--red);
            flex-shrink: 0;
        }

        .contact-info-box p {
            font-size: 0.85rem;
            color: var(--white-60);
            line-height: 1.5;
        }

        .contact-info-box strong {
            color: var(--white);
        }

        /* Detaylı Açıklama */
        .product-full-desc {
            background: var(--black-card);
            border: 1px solid var(--black-border);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin-top: 60px;
        }

        .product-full-desc h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .product-full-desc h3 i {
            color: var(--red);
        }

        .product-full-desc p {
            color: var(--white-60);
            line-height: 1.9;
            font-size: 0.95rem;
        }

        /* Benzer Ürünler */
        .related-section {
            padding: 60px 0 80px;
            border-top: 1px solid var(--black-border);
        }

        .related-section .section-header {
            margin-bottom: 40px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* Paylaş Butonları */
        .share-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .share-label {
            font-size: 0.85rem;
            color: var(--white-60);
            font-weight: 500;
        }

        .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid var(--black-border);
            background: var(--black-card);
            color: var(--white-60);
        }

        .share-btn:hover {
            transform: translateY(-2px);
        }

        .share-btn.wa {
            border-color: #25D366;
            color: #25D366;
        }

        .share-btn.wa:hover {
            background: #25D366;
            color: #fff;
        }

        .share-btn.fb {
            border-color: #1877F2;
            color: #1877F2;
        }

        .share-btn.fb:hover {
            background: #1877F2;
            color: #fff;
        }

        .share-btn.tw {
            border-color: #1DA1F2;
            color: #1DA1F2;
        }

        .share-btn.tw:hover {
            background: #1DA1F2;
            color: #fff;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .product-detail-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .product-detail-image-wrap {
                position: static;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .product-full-desc {
                padding: 24px;
                margin-top: 32px;
            }

            .product-detail-section {
                padding: 40px 0 60px;
            }

            /* Thumbnail taşma önleme */
            .thumb-item {
                flex-shrink: 1 !important;
                width: 56px !important;
                height: 56px !important;
            }
        }

        @media (max-width: 480px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

            .product-detail-actions {
                gap: 10px;
            }

            .btn-whatsapp-detail,
            .btn-call-detail {
                padding: 14px 20px;
                font-size: 0.9rem;
            }

            .product-detail-title {
                font-size: 1.5rem;
            }

            /* Thumbnail daha küçük */
            .thumb-item {
                width: 48px !important;
                height: 48px !important;
            }
        }

        /* ===== ÜRÜN GÖRSEL SLAYT ===== */
        .product-image-slider {
            position: relative;
            background: var(--black-card);
            border: 1px solid var(--black-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .slider-slides {
            position: relative;
            width: 100%;
            height: 100%;
        }

        .slider-slide {
            position: absolute;
            inset: 0;
            opacity: 0;
            transition: opacity 0.5s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: zoom-in;
        }

        .slider-slide.active {
            opacity: 1;
            z-index: 1;
        }

        .slider-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            display: block;
            transition: transform 0.4s ease;
        }

        .slider-slide:hover img {
            transform: scale(1.03);
        }

        .slide-fallback {
            position: absolute;
            inset: 0;
            display: none;
            align-items: center;
            justify-content: center;
        }

        /* Slider Oklar */
        .slider-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            z-index: 5;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--white);
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            backdrop-filter: blur(4px);
            opacity: 0;
        }

        .product-image-slider:hover .slider-arrow {
            opacity: 1;
        }

        .slider-arrow:hover {
            background: var(--red);
            border-color: var(--red);
        }

        .slider-prev {
            left: 12px;
        }

        .slider-next {
            right: 12px;
        }

        /* Slider Noktalar */
        .slider-dots {
            position: absolute;
            bottom: 12px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 5;
            display: flex;
            gap: 6px;
        }

        .slider-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: var(--transition);
        }

        .slider-dot.active {
            background: var(--red);
            width: 20px;
            border-radius: 4px;
        }

        /* Thumbnails */
        .slider-thumbnails {
            display: flex;
            gap: 8px;
            margin-top: 10px;
            flex-wrap: wrap;
        }

        .slider-thumbnails .thumb-item {
            width: 64px;
            height: 64px;
            border-radius: 8px;
            overflow: hidden;
            cursor: pointer;
            border: 2px solid var(--black-border);
            flex-shrink: 0;
            transition: border-color .2s, transform .2s;
            background: var(--black-card);
        }

        .slider-thumbnails .thumb-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .slider-thumbnails .thumb-item.active {
            border-color: var(--red);
            transform: translateY(-2px);
        }

        .slider-thumbnails .thumb-item:hover:not(.active) {
            border-color: var(--white-20);
        }

        /* ===== LIGHTBOX ===== */
        .lightbox-overlay {
            position: fixed;
            inset: 0;
            z-index: 2000;
            background: rgba(5, 5, 5, 0.95);
            backdrop-filter: blur(10px);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .lightbox-overlay.active {
            opacity: 1;
            pointer-events: all;
        }

        .lightbox-img-wrap {
            position: relative;
            max-width: 90vw;
            max-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .lightbox-img-wrap img {
            max-width: 100%;
            max-height: 85vh;
            object-fit: contain;
            border-radius: var(--radius);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }

        .lightbox-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--white);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            z-index: 10;
        }

        .lightbox-close:hover {
            background: var(--red);
            border-color: var(--red);
        }

        .lightbox-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--white);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            z-index: 10;
        }

        .lightbox-nav:hover {
            background: var(--red);
            border-color: var(--red);
        }

        .lightbox-prev {
            left: 20px;
        }

        .lightbox-next {
            right: 20px;
        }

        .lightbox-counter {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.6);
            color: var(--white);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            z-index: 10;
        }

        @media (max-width: 768px) {
            .slider-arrow {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
                opacity: 1;
            }

            .slider-prev {
                left: 8px;
            }

            .slider-next {
                right: 8px;
            }

            .slider-thumbnails .thumb-item {
                width: 52px;
                height: 52px;
            }

            .lightbox-nav {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }

            .lightbox-prev {
                left: 10px;
            }

            .lightbox-next {
                right: 10px;
            }
        }


/* ===== QUOTE MODAL (GLASSMORPHISM) ===== */
.quote-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: none; /* Changed via JS */
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.quote-modal-overlay.active {
    opacity: 1;
}

.quote-modal {
    background: var(--black-card);
    border: 1px solid var(--black-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.quote-modal-overlay.active .quote-modal {
    transform: translateY(0);
}

.quote-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--black-border);
}

.quote-modal-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
}

.quote-modal-header h3 i {
    color: var(--red);
}

.quote-close-btn {
    background: transparent;
    border: none;
    color: var(--white-60);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s;
}

.quote-close-btn:hover {
    color: var(--red);
}

.quote-modal-body {
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.quote-product-name {
    background: rgba(230, 57, 70, 0.1);
    color: var(--red);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid rgba(230, 57, 70, 0.2);
    margin-bottom: 8px;
}

.quote-modal .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.quote-modal .form-group label {
    font-size: 0.85rem;
    color: var(--white-80);
    font-weight: 500;
}

.quote-modal .form-group input,
.quote-modal .form-group textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--black-border);
    border-radius: var(--radius);
    padding: 12px 16px;
    color: var(--white);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.quote-modal .form-group input:focus,
.quote-modal .form-group textarea:focus {
    outline: none;
    border-color: var(--red);
    background: rgba(255, 255, 255, 0.05);
}

.btn-location {
    background: rgba(255, 255, 255, 0.05);
    border: 1px dashed var(--white-60);
    color: var(--white-80);
    padding: 12px;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-location:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    color: var(--white);
}

.location-status {
    font-size: 0.8rem;
    color: var(--white-60);
}

.quote-modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--black-border);
    display: flex;
}

.btn-submit-quote {
    width: 100%;
    background: var(--whatsapp);
    color: var(--white);
    border: none;
    padding: 16px;
    border-radius: var(--radius);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
}

.btn-submit-quote:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}


/* ===== 4. AŞAMA: GÖZ ALICI TASARIM DOKUNUŞLARI (UI/UX) ===== */

/* 1. WhatsApp Butonu Sürekli Nabız (Pulse) Efekti */
@keyframes whatsappPulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.btn-whatsapp-detail {
    animation: whatsappPulse 2.5s infinite;
    position: relative;
    overflow: hidden;
}

/* Buton parlaması (Shine effect) */
.btn-whatsapp-detail::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to bottom right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.15) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(45deg) translate(-100%, -100%);
    transition: transform 0.6s ease;
}
.btn-whatsapp-detail:hover::after {
    transform: rotate(45deg) translate(100%, 100%);
}

/* 2. Ürün Başlığı Metalik/Gradyan Efekti */
.product-detail-title {
    background: linear-gradient(to right, #ffffff, #d1d5db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 15px rgba(255,255,255,0.05);
}

/* 3. Özellikler Glow Hover */
.feature-item {
    transition: all 0.3s ease;
    border-radius: 8px;
    padding: 10px;
    margin: 0 -10px; /* offset padding */
}
.feature-item:hover {
    background: rgba(230, 57, 70, 0.05);
    border-bottom-color: transparent;
    box-shadow: inset 3px 0 0 var(--red);
    transform: translateX(4px);
}

/* 4. Görsel Çerçevesi Hover Glow */
.product-detail-image {
    transition: box-shadow 0.4s ease, border-color 0.4s ease;
}
.product-detail-image:hover {
    box-shadow: 0 20px 50px rgba(230, 57, 70, 0.15);
    border-color: rgba(230, 57, 70, 0.3);
}

/* 5. İletişim Kutusu (Kırmızı Şerit) Animasyonu */
.contact-info-box {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}
.contact-info-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.1);
}