/* ========================================
   ADIM 1: RENK DEĞİŞKENLERİNİ TANIMLAMA
   ======================================== */

:root {
    --bg-color: #f8f9fa;
    --text-color: #343a40;
    --card-bg: #ffffff;
    --header-bg: #ffffff;
    --border-color: #dee2e6;
    --shadow-color-light: rgba(0, 0, 0, 0.08);
    --shadow-color-hover: rgba(0, 123, 255, 0.15);
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --price-color: #28a745;
    --slider-btn-bg: rgba(255, 255, 255, 0.7);
    --slider-btn-color: #333;
    --slider-dot-bg: rgba(0, 0, 0, 0.3);
    --slider-dot-active: var(--primary-color);
    --slider-content-bg: rgba(255, 255, 255, 0.85);
    --slider-content-text: #212529;
    --theme-transition: background-color 0.3s ease, color 0.3s ease;
}

html[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #f4f4f4;
    --card-bg: #1f1f1f;
    --header-bg: #1f1f1f;
    --border-color: #333;
    --shadow-color-light: rgba(0, 0, 0, 0.3);
    --shadow-color-hover: rgba(0, 170, 255, 0.1);
    --primary-color: #00aaff;
    --primary-hover: #0088cc;
    --price-color: #00aaff;
    --slider-btn-bg: rgba(0, 0, 0, 0.5);
    --slider-btn-color: #fff;
    --slider-dot-bg: rgba(255, 255, 255, 0.5);
    --slider-dot-active: var(--primary-color);
    --slider-content-bg: rgba(0, 0, 0, 0.5);
    --slider-content-text: #ffffff;
}

/* ========================================
   ADIM 2: GENEL SİTE VE STICKY FOOTER
   ======================================== */

html { height: 100%; overflow-y: scroll; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Roboto', sans-serif; background-color: var(--bg-color); color: var(--text-color); line-height: 1.6; transition: var(--theme-transition); display: flex; flex-direction: column; min-height: 100%; }
main { flex-grow: 1; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ========================================
   ADIM 3: HEADER VE NAVİGASYON
   ======================================== */
header { background-color: var(--header-bg); padding: 20px 0; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); transition: var(--theme-transition), border-color 0.3s ease; }
header .container { display: flex; justify-content: space-between; align-items: center; }
header .logo { font-size: 24px; font-weight: 700; color: var(--primary-color); text-decoration: none; transition: color 0.3s ease; display: flex; align-items: center; }
header nav ul { list-style: none; display: flex; }
header nav ul li { margin-left: 20px; }
header nav ul li a { color: var(--text-color); opacity: 0.8; text-decoration: none; font-weight: 400; transition: color 0.3s ease, opacity 0.3s ease; }
header nav ul li a:hover { color: var(--primary-hover); opacity: 1; }



.logo-image {
    height: 40px; /* Adjust as needed */
    margin-right: 10px;
}

/* ========================================
   ADIM 4: SLIDER
   ======================================== */
.slider-container { position: relative; width: 100%; max-width: 1200px; margin: 30px auto; overflow: hidden; border-radius: 8px; box-shadow: 0 5px 15px var(--shadow-color-light); transition: box-shadow 0.3s ease; }
.slider { position: relative; width: 100%; height: 400px; }
.slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 0.5s ease-in-out; background-color: var(--card-bg); display: flex; justify-content: center; align-items: center; }
.slide.active { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; position: absolute; top: 0; left: 0; z-index: 1; }
.slide-content { position: relative; z-index: 2; text-align: center; padding: 30px; background: var(--slider-content-bg); backdrop-filter: blur(5px); border-radius: 8px; max-width: 70%; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); transition: var(--theme-transition); display: flex; flex-direction: column; justify-content: center; align-items: center; height: auto;}
.slide-content h2 { font-size: 3em; margin-bottom: 10px; color: var(--slider-content-text); transition: color 0.3s ease; }
.slide-content p { font-size: 1.2em; margin-bottom: 20px; color: var(--slider-content-text); opacity: 0.9; transition: color 0.3s ease; }
.btn { display: inline-block; background-color: var(--primary-color); color: #fff; padding: 12px 25px; text-decoration: none; border-radius: 5px; font-weight: 700; transition: background-color 0.3s ease; border: none; cursor: pointer; }
.btn:hover { background-color: var(--primary-hover); }
.slider-btn { background-color: var(--slider-btn-bg); color: var(--slider-btn-color); transition: var(--theme-transition); position: absolute; top: 50%; transform: translateY(-50%); border: none; padding: 15px 18px; font-size: 24px; cursor: pointer; z-index: 3; border-radius: 50%; }
.slider-btn:hover { background-color: rgba(255, 255, 255, 1); }
[data-theme="dark"] .slider-btn:hover { background-color: rgba(0, 0, 0, 0.8); }
.slider-btn.prev { left: 20px; }
.slider-btn.next { right: 20px; }
.slider-dots { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 3; display: flex; gap: 10px; }
.dot { width: 12px; height: 12px; background-color: var(--slider-dot-bg); border-radius: 50%; cursor: pointer; transition: background-color 0.3s ease, transform 0.3s ease; }
.dot.active { background-color: var(--slider-dot-active); transform: scale(1.2); }

/* ========================================
   ADIM 5: ÜRÜN KARTLARI
   ======================================== */
.product-grid { padding: 60px 0; }
.product-grid h2 { text-align: center; font-size: 32px; margin-bottom: 40px; color: var(--text-color); transition: color 0.3s ease; }
.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.product-card { background-color: var(--card-bg); border-radius: 8px; overflow: hidden; box-shadow: 0 4px 10px var(--shadow-color-light); border: 1px solid var(--border-color); transition: var(--theme-transition), transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px var(--shadow-color-hover); }
.product-card img { width: 100%; height: 250px; object-fit: cover; display: block; }
.product-card h3 { font-size: 20px; font-weight: 700; padding: 15px 20px 5px 20px; color: var(--text-color); transition: color 0.3s ease; }
.product-card .category { font-size: 14px; color: var(--text-color); opacity: 0.7; padding: 0 20px 10px 20px; transition: color 0.3s ease, opacity 0.3s ease; }
.product-card .price { font-size: 18px; font-weight: 700; color: var(--price-color); padding: 0 20px 15px 20px; transition: color 0.3s ease; }
.product-card .btn { display: block; margin: 0 20px 20px 20px; text-align: center; }

/* ========================================
   ADIM 6: FOOTER
   ======================================== */
footer { background-color: var(--header-bg); text-align: center; padding: 30px 0; margin-top: 40px; border-top: 1px solid var(--border-color); font-size: 14px; color: var(--text-color); opacity: 0.7; transition: var(--theme-transition), border-color 0.3s ease, opacity 0.3s ease; }

/* ========================================
   ADIM 7: RESPONSIVE (MOBİL UYUM)
   ======================================== */
@media (max-width: 768px) {
    .slide-content h2 { font-size: 2em; }
    .slide-content p { font-size: 1em; }
    .slider-btn { padding: 10px 12px; font-size: 18px; }
    .slider-dots { bottom: 10px; }
    header .container { flex-wrap: wrap; justify-content: center; gap: 15px; }
    header nav { order: 3; width: 100%; overflow-x: auto; }
    header nav ul { justify-content: center; }
    .header-actions { order: 2; }
    header .logo { order: 1; width: 100%; text-align: center; }
    .expandable-search.active .search-input { width: 150px; }
}

/* ========================================
   ADIM 8: HEADER SAĞ BÖLÜM (TEMA VE ARAMA)
   ======================================== */
.header-actions { display: flex; align-items: center; gap: 15px; position: relative; }
.theme-switch-wrapper { display: flex; align-items: center; gap: 8px; }
.theme-icon-container { position: relative; width: 22px; height: 22px; }
.theme-icon { color: var(--text-color); transition: opacity 0.3s ease, color 0.3s ease; display: block; }
.theme-icon-container .theme-icon { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
#sun-icon { opacity: 1; }
#moon-icon { opacity: 0; }
[data-theme="dark"] #sun-icon { opacity: 0; }
[data-theme="dark"] #moon-icon { opacity: 1; }
.theme-switch { position: relative; display: inline-block; width: 60px; height: 34px; }
.theme-switch input { opacity: 0; width: 0; height: 0; }
.slider-round { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; border-radius: 34px; }
.slider-round:before { position: absolute; content: ""; height: 26px; width: 26px; left: 4px; bottom: 4px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider-round { background-color: var(--primary-color); }
input:focus + .slider-round { box-shadow: 0 0 1px var(--primary-color); }
input:checked + .slider-round:before { transform: translateX(26px); }

.expandable-search { position: relative; display: flex; align-items: center; background-color: var(--card-bg); border-radius: 25px; padding: 5px; border: 1px solid var(--border-color); transition: all 0.4s ease; overflow: hidden; }
.search-input { border: none; outline: none; background: none; padding: 5px 0; font-size: 14px; color: var(--text-color); width: 0; opacity: 0; transition: width 0.4s ease, opacity 0.4s ease, padding 0.4s ease; }
.search-icon-btn { background: none; border: none; padding: 8px; margin: 0; cursor: pointer; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: background-color 0.3s ease; position: relative; z-index: 2; }
.search-icon-btn svg { width: 20px; height: 20px; color: var(--text-color); opacity: 0.8; transition: opacity 0.3s ease, color 0.3s ease; }
.search-icon-btn:hover svg { opacity: 1; color: var(--primary-color); }
.expandable-search.active { background-color: var(--bg-color); border-color: var(--primary-color); }
.expandable-search.active .search-input { width: 200px; opacity: 1; padding-left: 15px; padding-right: 10px; }

/* ========================================
   ADIM 9: ÜRÜN DETAY SAYFASI
   ======================================== */
.product-detail-container { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; margin-bottom: 40px; }
.product-gallery { display: flex; flex-direction: column; }
.main-image { width: 100%; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 10px var(--shadow-color-light); border: 1px solid var(--border-color); }
.main-image img { width: 100%; height: auto; aspect-ratio: 1/1; object-fit: cover; display: block; }
.thumbnail-images { display: flex; gap: 10px; margin-top: 15px; justify-content: center; flex-wrap: wrap; }
.thumbnail { width: 80px; height: 80px; object-fit: cover; border-radius: 6px; border: 2px solid var(--border-color); cursor: pointer; opacity: 0.7; transition: opacity 0.3s ease, border-color 0.3s ease; }
.thumbnail:hover { opacity: 1; }
.thumbnail.active { opacity: 1; border-color: var(--primary-color); }
.product-info { background-color: var(--card-bg); padding: 30px; border-radius: 8px; box-shadow: 0 4px 10px var(--shadow-color-light); border: 1px solid var(--border-color); display: flex; flex-direction: column; }
.info-category { font-size: 14px; font-weight: 700; color: var(--text-color); opacity: 0.7; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
.info-title { font-size: 36px; font-weight: 700; color: var(--text-color); margin-bottom: 15px; }
.info-price { font-size: 28px; font-weight: 700; color: var(--price-color); margin-bottom: 25px; }
.info-description { font-size: 16px; color: var(--text-color); opacity: 0.9; line-height: 1.7; margin-bottom: 30px; white-space: pre-wrap; }
.info-actions { margin-bottom: 30px; }
.btn-buy { padding: 14px 30px; font-size: 18px; font-weight: 700; text-align: center; display: block; width: 100%; background-color: var(--price-color); color: #fff; text-decoration: none; border-radius: 5px; transition: background-color 0.3s ease, border-color 0.3s ease; }
.btn-buy:hover { background-color: var(--primary-hover); }
.back-link { color: var(--primary-color); text-decoration: none; font-weight: 700; margin-top: auto; transition: color 0.3s ease; }
.back-link:hover { color: var(--primary-hover); }
@media (max-width: 900px) { .product-detail-container { grid-template-columns: 1fr; } .product-info { order: 2; } .product-gallery { order: 1; } .thumbnail-images { justify-content: flex-start; } }

/* ========================================
   ADIM 10: İLETİŞİM SAYFASI
   ======================================== */
.page-title-container { background-color: var(--card-bg); padding: 30px; border-radius: 8px; text-align: center; margin-top: 40px; margin-bottom: 40px; border: 1px solid var(--border-color); }
.page-title-container h1 { font-size: 36px; color: var(--text-color); margin-bottom: 10px; }
.page-title-container p { font-size: 18px; color: var(--text-color); opacity: 0.8; }
.contact-content-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; margin-bottom: 40px; }
.contact-form-container, .contact-info-container { background-color: var(--card-bg); padding: 30px; border-radius: 8px; border: 1px solid var(--border-color); }
.contact-form-container h2, .contact-info-container h2 { font-size: 28px; margin-bottom: 25px; color: var(--text-color); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 8px; color: var(--text-color); opacity: 0.9; }
.form-group input[type="text"], .form-group input[type="email"], .form-group textarea { width: 100%; padding: 12px; font-size: 16px; border: 1px solid var(--border-color); border-radius: 5px; background-color: var(--bg-color); color: var(--text-color); outline: none; transition: border-color 0.3s ease; }
.form-group input[type="text"]:focus, .form-group input[type="email"]:focus, .form-group textarea:focus { border-color: var(--primary-color); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group .btn-primary { padding: 12px 30px; font-size: 16px; width: 100%; }
.contact-info-container p { font-size: 16px; line-height: 1.7; color: var(--text-color); opacity: 0.9; margin-bottom: 25px; }
.contact-list { list-style: none; padding: 0; }
.contact-list li { margin-bottom: 20px; font-size: 16px; }
.contact-list li strong { display: block; font-size: 14px; color: var(--text-color); opacity: 0.7; margin-bottom: 5px; }
.contact-list li a, .contact-list li p { color: var(--primary-color); text-decoration: none; font-weight: 700; }
.contact-list li a:hover { text-decoration: underline; }
.contact-list li p { color: var(--text-color); font-weight: 400; margin: 0; }
@media (max-width: 900px) { .contact-content-wrapper { grid-template-columns: 1fr; } }

/* ========================================
   ADIM 11: KATEGORİ SAYFASI (Ek Stil)
   ======================================== */
.product-card.placeholder { display: flex; align-items: center; justify-content: center; min-height: 350px; background-color: var(--card-bg); border: 1px dashed var(--border-color); color: var(--text-color); opacity: 0.5; }

/* ========================================
   ADIM 12: İLETİŞİM SAYFASI SOSYAL LİNK
   ======================================== */
.contact-social-link { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--primary-color); font-weight: 700; }
.contact-social-link:hover { text-decoration: underline; }
.contact-icon { width: 22px; height: 22px; stroke: var(--primary-color); }

/* ========================================
   ADIM 13: SAYFALAMA (PAGINATION)
   ======================================== */
.pagination-container { margin-top: 40px; }
.pagination { --bs-pagination-padding-x: 0.75rem; --bs-pagination-padding-y: 0.375rem; --bs-pagination-font-size: 1rem; --bs-pagination-color: var(--primary-color); --bs-pagination-bg: var(--card-bg); --bs-pagination-border-width: 1px; --bs-pagination-border-color: var(--border-color); --bs-pagination-border-radius: 0.375rem; --bs-pagination-hover-color: var(--primary-hover); --bs-pagination-hover-bg: var(--bg-color); --bs-pagination-hover-border-color: var(--border-color); --bs-pagination-focus-color: var(--primary-hover); --bs-pagination-focus-bg: var(--bg-color); --bs-pagination-focus-box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25); --bs-pagination-active-color: #fff; --bs-pagination-active-bg: var(--primary-color); --bs-pagination-active-border-color: var(--primary-color); --bs-pagination-disabled-color: #6c757d; --bs-pagination-disabled-bg: var(--card-bg); --bs-pagination-disabled-border-color: var(--border-color); display: flex; padding-left: 0; list-style: none; }
.page-link { position: relative; display: block; padding: var(--bs-pagination-padding-y) var(--bs-pagination-padding-x); font-size: var(--bs-pagination-font-size); color: var(--bs-pagination-color); text-decoration: none; background-color: var(--bs-pagination-bg); border: var(--bs-pagination-border-width) solid var(--bs-pagination-border-color); transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out; }
@media (prefers-reduced-motion: reduce) { .page-link { transition: none; } }
.page-link:hover { z-index: 2; color: var(--bs-pagination-hover-color); background-color: var(--bs-pagination-hover-bg); border-color: var(--bs-pagination-hover-border-color); }
.page-link:focus { z-index: 3; color: var(--bs-pagination-focus-color); background-color: var(--bs-pagination-focus-bg); outline: 0; box-shadow: var(--bs-pagination-focus-box-shadow); }
.page-item:not(:first-child) .page-link { margin-left: -1px; }
.page-item.active .page-link { z-index: 3; color: var(--bs-pagination-active-color); background-color: var(--bs-pagination-active-bg); border-color: var(--bs-pagination-active-border-color); }
.page-item.disabled .page-link { color: var(--bs-pagination-disabled-color); pointer-events: none; background-color: var(--bs-pagination-disabled-bg); border-color: var(--bs-pagination-disabled-border-color); }
.page-item:first-child .page-link { border-top-left-radius: var(--bs-pagination-border-radius); border-bottom-left-radius: var(--bs-pagination-border-radius); }
.page-item:last-child .page-link { border-top-right-radius: var(--bs-pagination-border-radius); border-bottom-right-radius: var(--bs-pagination-border-radius); }
.pagination-lg { --bs-pagination-padding-x: 1.5rem; --bs-pagination-padding-y: 0.75rem; --bs-pagination-font-size: 1.25rem; --bs-pagination-border-radius: 0.5rem; }
.pagination-sm { --bs-pagination-padding-x: 0.5rem; --bs-pagination-padding-y: 0.25rem; --bs-pagination-font-size: 0.875rem; --bs-pagination-border-radius: 0.25rem; }