:root {
    --primary-color: #000000;
    --text-color: #ffffff;
    --accent-blue: #007bff;
    --border-color: #333333;
    --hover-color: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: var(--primary-color);
    color: var(--text-color);
    line-height: 1.5;
    min-width: 320px;
}

header {
    background-color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0.5rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo img {
    height: 24px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.home-icon {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.social-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
}

.search-container {
    position: relative;
    flex-grow: 1;
    min-width: 200px;
}

.search-input {
    background-color: #333;
    border: none;
    border-radius: 20px;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    color: var(--text-color);
    width: 100%;
    min-width: 150px;
}

.search-button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
}

.teklif-btn {
    background-color: #4a5b74;
    color: var(--text-color);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    white-space: nowrap;
}

.breadcrumb {
    padding: 1rem;
    background-color: #111;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    white-space: nowrap;
}

.breadcrumb a {
    color: var(--text-color);
    text-decoration: none;
    opacity: 0.7;
}

.breadcrumb span {
    color: var(--text-color);
    opacity: 0.4;
    margin: 0 0.5rem;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1rem;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
}

.categories {
    padding-right: 1rem;
}

.categories h2 {
    font-size: 1rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.categories ul {
    list-style: none;
}

.categories li {
    margin-bottom: 0.5rem;
}

.categories a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    display: block;
    padding: 0.5rem 0;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.categories a:hover,
.categories a.active {
    opacity: 1;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.products-header h1 {
    font-size: 1.25rem;
    font-weight: normal;
}

.sort-select {
    background-color: #333;
    color: var(--text-color);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.product-card {
    background-color: #111;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image {
    background-color: white;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    aspect-ratio: 1;
}

.product-info {
    padding: 1rem;
}

.product-info h3 {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    font-weight: normal;
}

.product-info .teklif-btn {
    width: 100%;
    justify-content: center;
    background-color: #4a5b74;
    transition: background-color 0.3s;
}

.product-info .teklif-btn:hover {
    background-color: #5a6b84;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* Mobile Styles */
@media (max-width: 1024px) {
    .container {
        grid-template-columns: 200px 1fr;
        gap: 1rem;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    header {
        padding: 0.5rem;
    }

    .nav-left {
        width: 100%;
        justify-content: space-between;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-right {
        width: 100%;
        justify-content: space-between;
    }

    .search-container {
        order: -1;
        width: 100%;
    }

    .container {
        grid-template-columns: 1fr;
    }

    .categories {
        display: none;
    }

    .categories.active {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 80%;
        height: 100vh;
        background-color: var(--primary-color);
        padding: 2rem 1rem;
        z-index: 1001;
        overflow-y: auto;
    }

    .products-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .sort-select {
        width: 100%;
    }
}

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

    .social-links a:first-child {
        display: none;
    }

    .teklif-btn {
        padding: 0.5rem;
    }

    .teklif-btn i {
        margin-right: 0;
    }

    .product-info h3 {
        font-size: 0.8rem;
    }
}