/* Color Palette & Variables */
:root {
    /* Açık Tema (Varsayılan) */
    --bg-main: #FFFFFF;
    --bg-secondary: #F5F5F7;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent-blue: #0A4D96;
    --accent-orange: #FF6700;
    --border-color: #E0E0E0;
    --card-bg: #FFFFFF;
    --shadow-light: 0 4px 12px rgba(0,0,0,0.05);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.1);
    
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --bg-main: #121212;
    --bg-secondary: #1E1E1E;
    --text-primary: #F0F0F0;
    --text-secondary: #A0A0A0;
    --accent-blue: #3A8DE0;
    --accent-orange: #FF8533;
    --border-color: #333333;
    --card-bg: #252525;
    --shadow-light: 0 4px 12px rgba(0,0,0,0.2);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.4);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Utils */
.section {
    padding: 60px 0;
}
.bg-light {
    background-color: var(--bg-secondary);
}
.text-center {
    text-align: center;
}
.mt-2 {
    margin-top: 10px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: #fff;
    box-shadow: 0 4px 12px rgba(10, 77, 150, 0.3);
}
.btn-primary:hover {
    background-color: #083c75;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(10, 77, 150, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--accent-orange);
    color: var(--accent-orange);
}
.btn-outline:hover {
    background-color: var(--accent-orange);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 103, 0, 0.3);
}
.btn-block {
    width: 100%;
}

/* Header */
.header {
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    z-index: 1000;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}
.header.sticky {
    position: sticky;
    top: 0;
    backdrop-filter: blur(10px);
    background-color: rgba(var(--bg-main), 0.95);
    box-shadow: var(--shadow-light);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.logo span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Search Bar */
.search-bar {
    flex: 1;
    max-width: 500px;
    display: flex;
    align-items: center;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid transparent;
    overflow: hidden;
    transition: var(--transition);
}
.search-bar:focus-within {
    border-color: var(--accent-blue);
    background-color: var(--card-bg);
    box-shadow: 0 0 0 3px rgba(10, 77, 150, 0.1);
}
.search-bar input {
    width: 100%;
    padding: 14px 16px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
}
.search-bar button {
    background: transparent;
    border: none;
    padding: 0 16px;
    color: var(--text-secondary);
    font-size: 1.4rem;
    cursor: pointer;
    transition: var(--transition);
}
.search-bar button:hover {
    color: var(--accent-blue);
    transform: scale(1.1);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1.3rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}
.icon-btn:hover {
    background-color: var(--accent-blue);
    color: #fff;
    transform: translateY(-2px);
    border-color: var(--accent-blue);
}

/* Themes and Lang */
.lang-switch {
    position: relative;
}
.lang-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.lang-btn:hover {
    background-color: var(--card-bg);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}
.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    display: none;
    flex-direction: column;
    min-width: 140px;
    z-index: 20;
    overflow: hidden;
}
.lang-dropdown.show {
    display: flex;
    animation: fadeIn 0.2s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.lang-dropdown span {
    padding: 12px 16px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}
.lang-dropdown span:last-child {
    border-bottom: none;
}
.lang-dropdown span:hover {
    background-color: var(--bg-secondary);
    color: var(--accent-blue);
    padding-left: 20px;
}

.theme-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 600;
    transition: var(--transition);
}
.theme-btn:hover {
    background-color: var(--card-bg);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(10, 77, 150, 0.05), rgba(10, 77, 150, 0.05)), url('https://w.forfun.com/fetch/f1/f156d0bdab889d1469e776953ee1cb52.jpeg') no-repeat center center/cover;
    padding: 100px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 1;
}
[data-theme="dark"] .hero::before {
    background: rgba(18, 18, 18, 0.85);
}
.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}
.hero h1 {
    font-size: 3.5rem;
    color: var(--accent-blue);
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.2;
}
.hero p {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 40px;
    font-weight: 500;
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}
.section-header h2 {
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 700;
}
.view-all {
    color: var(--accent-blue);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 1.1rem;
}
.view-all:hover {
    gap: 10px;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
}
.category-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-light);
}
.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-blue);
}
.cat-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(10, 77, 150, 0.08);
    color: var(--accent-blue);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    transition: var(--transition);
}
.category-card:hover .cat-icon {
    background-color: var(--accent-blue);
    color: #fff;
    transform: scale(1.1);
}
.category-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.product-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-blue);
}
.favorite-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    color: #ccc;
    font-size: 1.4rem;
    transition: var(--transition);
}
.favorite-btn:hover {
    color: var(--accent-orange);
    transform: scale(1.15);
}
.favorite-btn.active {
    color: var(--accent-orange);
}
[data-theme="dark"] .favorite-btn {
    background-color: #333;
    border: 1px solid #444;
}
.product-img {
    height: 240px;
    position: relative;
    background-color: #f8f9fa;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.product-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    mix-blend-mode: multiply;
    transition: transform 0.5s ease;
}
.product-card:hover .product-img img {
    transform: scale(1.08);
}
[data-theme="dark"] .product-img {
    background-color: #2a2a2a;
}
[data-theme="dark"] .product-img img {
    mix-blend-mode: normal;
}
.brand-badge {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(255,255,255,0.95);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    letter-spacing: 0.5px;
}
[data-theme="dark"] .brand-badge {
    background: rgba(30,30,30,0.95);
    color: #fff;
}
.badge-new {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--accent-blue);
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(10, 77, 150, 0.3);
}
.product-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.product-title {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 700;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}
.product-feature {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
}
.product-feature::before {
    content: '\eb72'; /* bx-check */
    font-family: 'boxicons';
    color: var(--accent-orange);
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px;
    margin-top: 60px;
}
.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}
.footer-col h4 {
    margin-bottom: 24px;
    font-size: 1.3rem;
    color: var(--text-primary);
    font-weight: 700;
}
.footer-col ul li {
    margin-bottom: 12px;
}
.footer-col ul li a {
    color: var(--text-secondary);
    font-weight: 500;
}
.footer-col ul li a:hover {
    color: var(--accent-blue);
    padding-left: 8px;
}
.footer-col p {
    margin-bottom: 16px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
}
.footer-col p i {
    font-size: 1.4rem;
    color: var(--accent-blue);
}
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.8rem; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
    }
    .search-bar {
        order: 3;
        flex: 100%;
        max-width: 100%;
        margin-top: 10px;
    }
    .hero { padding: 60px 0; }
    .hero h1 {
        font-size: 2.2rem;
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .product-img {
        height: 180px;
        padding: 20px;
    }
    .product-title {
        font-size: 1rem;
    }
    .category-card {
        padding: 24px 16px;
    }
    .footer-inner { grid-template-columns: 1fr; }
}