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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
    color: white;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Stili */
.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 20px 0;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.header-left {
    display: flex;
    align-items: center;
}

.home-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4ecdc4;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 10px 15px;
    border-radius: 25px;
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
}

.home-btn:hover {
    background: rgba(78, 205, 196, 0.2);
    transform: translateX(-5px);
}

.menu-header h1 {
    font-size: 2.5rem;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Kategori Bölümü */
.categories-section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 30px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.category-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-align: center;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--category-bg, linear-gradient(135deg, #ff6b6b, #4ecdc4));
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.3;
    transition: opacity 0.3s ease;
    border-radius: 20px;
    filter: brightness(0.4) contrast(1.2);
}

.category-card:hover::before {
    opacity: 0.5;
    filter: brightness(0.6) contrast(1.1);
}

.category-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}

.category-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.category-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 20px;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.category-card:hover .category-icon {
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.6);
}

.category-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.category-count {
    font-size: 0.9rem;
    color: #4ecdc4;
    background: rgba(78, 205, 196, 0.2);
    padding: 5px 15px;
    border-radius: 15px;
    display: inline-block;
}

/* Ürünler Bölümü */
.products-section {
    animation: slideInUp 0.6s ease;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px 0;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.back-to-categories {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4ecdc4;
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    padding: 12px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.back-to-categories:hover {
    background: rgba(78, 205, 196, 0.2);
    transform: translateX(-5px);
}

.category-title {
    font-size: 2rem;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex: 1;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.product-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 20px;
}

.product-card:hover::before {
    opacity: 1;
}

.product-content {
    position: relative;
    z-index: 2;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.product-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 5px;
}

.product-description {
    color: #b8b8b8;
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-prices {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}

.price {
    font-size: 1.2rem;
    font-weight: 600;
    color: #4ecdc4;
}

.original-price {
    text-decoration: line-through;
    color: #888;
    font-size: 1rem;
    margin-right: 10px;
}

.discount-badge {
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Loading Spinner */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left: 4px solid #4ecdc4;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading p {
    color: #888;
    font-size: 1.1rem;
}

/* Animasyonlar */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .menu-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .menu-header h1 {
        font-size: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .category-card {
        padding: 25px;
        min-height: 180px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card {
        padding: 20px;
    }
    
    .section-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Neon efektleri */
.category-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
    border-radius: 22px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    filter: blur(3px);
}

.category-card:hover::after {
    opacity: 0.4;
}

/* Hover efektleri */
.category-card:hover .category-name {
    color: #4ecdc4;
}

.product-card:hover .product-name {
    color: #4ecdc4;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0;
    color: #888;
    font-size: 0.9rem;
}

.teknovai-link {
    color: #4ecdc4;
    text-decoration: underline;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.2), rgba(69, 183, 209, 0.2));
    padding: 2px 8px;
    border-radius: 5px;
    transition: all 0.3s ease;
    text-underline-offset: 3px;
}

.teknovai-link:hover {
    color: #45b7d1;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.3), rgba(69, 183, 209, 0.3));
    text-decoration: underline;
    text-decoration-thickness: 2px;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(78, 205, 196, 0.3);
}