/* ============================================
           CSS DEĞİŞKENLERİ - Endüstriyel Renk Paleti
           ============================================ */
        :root {
            --primary: #4B4B4B;
            --accent: #F5B400;
            --bg: #E5E5E5;
            --text: #222222;
            --secondary: #D97700;
            --white: #FFFFFF;
            --light-gray: #F8F8F8;
            --border: #CCCCCC;
            --blue-accent: #4A90E2;
        }

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

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

        /* ============================================
           HEADER
           ============================================ */
        .header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header__top {
            background-color: var(--primary);
            color: var(--white);
            padding: 10px 0;
            font-size: 14px;
        }

        .header__top-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .header__phone {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header__phone i {
            color: var(--accent);
        }

        .header__main {
            max-width: 1400px;
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

        .logo {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: 1px;
        }

        .logo span {
            color: var(--accent);
        }

        .nav {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .nav__link {
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav__link:hover,
        .nav__link.active {
            color: var(--accent);
        }

        /* ============================================
           BREADCRUMB
           ============================================ */
        .breadcrumb {
            background-color: var(--light-gray);
            padding: 15px 0;
        }

        .breadcrumb__container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .breadcrumb__link {
            color: var(--blue-accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .breadcrumb__link:hover {
            color: var(--accent);
        }

        .breadcrumb__separator {
            color: var(--text);
            opacity: 0.5;
        }

        .breadcrumb__current {
            color: var(--text);
            font-weight: 500;
        }

        /* ============================================
           MAIN CONTENT
           ============================================ */
        .main-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 40px 20px;
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 40px;
        }

        /* ============================================
           SIDEBAR
           ============================================ */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .sidebar__section {
            background-color: var(--white);
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        .sidebar__title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .category-list {
            list-style: none;
        }

        .category-list__item {
            margin-bottom: 12px;
        }

        .category-list__link {
            color: var(--text);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 5px;
            transition: all 0.3s ease;
            font-size: 14px;
        }

        .category-list__link:hover {
            background-color: var(--bg);
            color: var(--accent);
        }

        .category-list__link.active {
            background-color: var(--accent);
            color: var(--text);
            font-weight: 600;
        }

        .category-list__link i {
            font-size: 12px;
            color: var(--accent);
        }

        .category-list__link.active i {
            color: var(--text);
        }

        /* Brand Filter */
        .brand-search {
            position: relative;
            margin-bottom: 15px;
        }

        .brand-search input {
            width: 100%;
            padding: 10px 35px 10px 12px;
            border: 1px solid var(--border);
            border-radius: 5px;
            font-size: 14px;
            outline: none;
            transition: border-color 0.3s ease;
        }

        .brand-search input:focus {
            border-color: var(--accent);
        }

        .brand-search i {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            opacity: 0.5;
        }

        .brand-list {
            list-style: none;
            max-height: 200px;
            overflow-y: auto;
        }

        .brand-list__item {
            margin-bottom: 10px;
        }

        .brand-checkbox {
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            padding: 5px;
            border-radius: 5px;
            transition: background-color 0.3s ease;
        }

        .brand-checkbox:hover {
            background-color: var(--bg);
        }

        .brand-checkbox input[type="checkbox"] {
            cursor: pointer;
            width: 16px;
            height: 16px;
            accent-color: var(--accent);
        }

        .brand-checkbox label {
            cursor: pointer;
            font-size: 14px;
            flex: 1;
        }

        .brand-count {
            font-size: 12px;
            color: var(--text);
            opacity: 0.6;
        }

        /* ============================================
           PRODUCTS AREA
           ============================================ */
        .products-area {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .products-header {
            background-color: var(--white);
            padding: 20px 25px;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        .products-count {
            font-size: 16px;
            color: var(--text);
        }

        .products-count strong {
            color: var(--accent);
            font-weight: 700;
        }

        .products-controls {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .sort-select {
            padding: 10px 15px;
            border: 1px solid var(--border);
            border-radius: 5px;
            font-size: 14px;
            cursor: pointer;
            outline: none;
            background-color: var(--white);
            transition: border-color 0.3s ease;
            min-width: 200px;
        }

        .sort-select:focus {
            border-color: var(--accent);
        }

        .view-toggle {
            display: flex;
            gap: 5px;
        }

        .view-btn {
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            background-color: var(--white);
            cursor: pointer;
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            color: var(--text);
        }

        .view-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .view-btn.active {
            background-color: var(--accent);
            border-color: var(--accent);
            color: var(--text);
        }

        /* ============================================
           PRODUCTS GRID
           ============================================ */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 25px;
        }

        .products-grid.list-view {
            grid-template-columns: 1fr;
        }

        .product-card {
            background-color: var(--white);
            border: 2px solid transparent;
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s ease;
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .products-grid.list-view .product-card {
            flex-direction: row;
            align-items: center;
        }

        .product-card:hover {
            border-color: var(--blue-accent);
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transform: translateY(-3px);
        }

        .product-card__image {
            width: 100%;
            height: 260px;
            background-color: var(--light-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            border-bottom: 2px solid var(--bg);
            position: relative;
            overflow: hidden;
        }

        .products-grid.list-view .product-card__image {
            width: 200px;
            height: 200px;
            flex-shrink: 0;
        }

        .product-card__image img {
            width: 70%;
            height: 70%;
            object-fit: contain;
            transition: transform 0.3s ease;
        }

        .product-card:hover .product-card__image img {
            transform: scale(1.1);
        }

        .product-card__content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .product-card__title {
            font-size: 16px;
            font-weight: 600;
            color: var(--blue-accent);
            text-align: center;
            transition: color 0.3s ease;
        }

        .products-grid.list-view .product-card__title {
            text-align: left;
            font-size: 18px;
        }

        .product-card:hover .product-card__title {
            color: var(--accent);
        }
        .mobile-menu-btn {
        display:none;
            
        }
        /* ============================================
           RESPONSIVE
           ============================================ */
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }

            .sidebar {
                display: none;
            }

            .products-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .products-header {
                flex-direction: column;
                gap: 15px;
            }

            .products-controls {
                width: 100%;
                flex-direction: column;
            }

            .sort-select {
                width: 100%;
            }

            .products-grid {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
                gap: 15px;
            }

            .product-card__image {
                height: 180px;
            }

            .header__top-container {
                flex-direction: column;
                gap: 10px;
            }
            .mobile-menu-btn {
                display: block;
            }

            .search-box {
                display: none;
            }

            .hero__title {
                font-size: 32px;
            }

            .hero__subtitle {
                font-size: 16px;
            }

            .section-title {
                font-size: 28px;
            }

            .header__top-container {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
            .products-grid.list-view .product-card {
                flex-direction: column;
            }

            .products-grid.list-view .product-card__image {
                width: 100%;
                height: 180px;
            }
        }

        /* Scrollbar Styling */
        .brand-list::-webkit-scrollbar {
            width: 6px;
        }

        .brand-list::-webkit-scrollbar-track {
            background: var(--bg);
            border-radius: 10px;
        }

        .brand-list::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 10px;
        }