/* === GENEL AYARLAR VE ANA SAYFA === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #121212;
    color: #e0e0e0;
    line-height: 1.6;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* 1. Navigasyon Menüsü */
.navbar {
    background-color: #1f1f1f;
    padding: 1rem 0;
    border-bottom: 2px solid #00aaff;
    position: sticky;
    top: 0;
    z-index: 1000;
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #ffffff;
}
.logo-image {
    height: 50px;
    width: auto;
    max-width: 200px;
}
.logo-accent { color: #00aaff; }
.nav-links { display: flex; list-style: none; }
.nav-links li { margin-left: 25px; }
.nav-links a {
    color: #e0e0e0;
    font-size: 1rem;
    transition: color 0.3s ease;
}
.nav-links a:hover, .nav-links a.active { color: #00aaff; }
.nav-icons {
    display: flex; 
    align-items: center; 
    position: relative; 
}
.nav-icons a { color: #e0e0e0; margin-left: 15px; font-size: 1.2rem; transition: color 0.3s ease; position: relative; }
.nav-icons a:hover { color: #00aaff; }

/* 2. Hero Alanı */
.hero {
    height: 60vh;
    /* GÜNCELLENDİ: Arka plan resmi yerel klasörden alınıyor */
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('images/hero-background.jpg'); /* Eğer dosya adın farklıysa veya png ise burayı değiştir */
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}
.hero-content h1 { font-size: 3.5rem; margin-bottom: 1rem; color: #ffffff; }
.hero-content p { font-size: 1.2rem; margin-bottom: 2rem; color: #f0f0f0; }
.cta-button {
    background-color: #00aaff;
    color: #ffffff;
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    display: inline-block; 
}
.cta-button:hover { background-color: #0088cc; transform: translateY(-3px); }

/* 3. Kategori Kartları */
.categories { padding: 4rem 0; }
.grid-container {
    display: grid;
    /* Kart genişliğini min 280px yaparak ekrana daha fazla kart sığdırır */
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
    gap: 1.5rem;
    padding: 1rem 0;
}
.category-card {
    background-color: #1f1f1f;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    height: 100%;
}
.category-card-link { display: block; height: 100%; } 
.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 170, 255, 0.1);
    border-color: #00aaff;
}
.card-icon { font-size: 3rem; color: #00aaff; margin-bottom: 1.5rem; }
.category-card h2 { font-size: 1.5rem; color: #ffffff; margin-bottom: 1rem; }
.category-card p { font-size: 0.95rem; color: #b0b0b0; }

/* 4. Footer */
.footer {
    background-color: #1f1f1f;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid #333;
    text-align: center;
}

/* === BUILDER.HTML STİLLERİ === */
.builder-page { padding-top: 2rem; padding-bottom: 2rem; }
.builder-page h1 { text-align: center; color: #ffffff; font-size: 2.5rem; margin-bottom: 0.5rem; }
.builder-intro { text-align: center; color: #b0b0b0; margin-bottom: 2.5rem; font-size: 1.1rem; }
.builder-container { display: flex; gap: 2rem; flex-wrap: wrap; }
.component-selection { flex: 3; background-color: #1f1f1f; border-radius: 8px; padding: 1.5rem; border: 1px solid #333; }
.component-selection h3 { font-size: 1.5rem; color: #00aaff; border-bottom: 1px solid #444; padding-bottom: 1rem; margin-bottom: 1.5rem; }
.component-row { display: flex; align-items: center; justify-content: space-between; padding: 1.25rem 1rem; border-bottom: 1px solid #333; transition: background-color 0.3s ease; }
.component-row:last-child { border-bottom: none; }
.component-row:hover { background-color: #2a2a2a; }
.component-icon-img { width: 60px; height: 60px; object-fit: contain; margin-right: 1.5rem; border-radius: 5px; background-color: #2a2a2a; flex-shrink: 0; }
.component-details { flex-grow: 1; display: flex; flex-direction: column; }
.component-title { font-size: 1.1rem; font-weight: bold; color: #ffffff; }
.selected-item { font-size: 0.9rem; color: #b0b0b0; margin-top: 4px; }
.selected-item.chosen { color: #00ff88; font-weight: bold; }
.btn-select { background-color: #00aaff; color: #ffffff; border: none; padding: 10px 20px; border-radius: 5px; cursor: pointer; font-weight: bold; transition: background-color 0.3s ease; }
.btn-select:hover { background-color: #0088cc; }
.btn-select:disabled { background-color: #444; color: #888; cursor: not-allowed; }
.summary { flex: 1.5; background-color: #1f1f1f; border-radius: 8px; padding: 1.5rem; border: 1px solid #333; position: sticky; top: 100px; height: fit-content; }
.summary h2 { font-size: 1.5rem; color: #00aaff; border-bottom: 1px solid #444; padding-bottom: 1rem; margin-bottom: 1.5rem; }
.summary-placeholder { color: #888; text-align: center; padding: 2rem 0; }
#summary-list .summary-item { display: flex; justify-content: space-between; font-size: 0.95rem; margin-bottom: 0.75rem; padding-bottom: 0.75rem; border-bottom: 1px dashed #333; }
#summary-list .summary-item-name { color: #e0e0e0; font-weight: bold; }
#summary-list .summary-item-price { color: #00ff88; font-weight: bold; }
.total-price-container { border-top: 2px solid #00aaff; margin-top: 1.5rem; padding-top: 1.5rem; display: flex; justify-content: space-between; font-size: 1.4rem; font-weight: bold; color: #ffffff; }
#total-price { color: #00ff88; }
.btn-add-to-cart { background-color: #00cc66; color: #ffffff; border: none; padding: 12px; width: 100%; margin-top: 1.5rem; border-radius: 5px; font-size: 1.1rem; font-weight: bold; cursor: pointer; transition: background-color 0.3s ease; }
.btn-add-to-cart:hover { background-color: #00aa55; }
.btn-add-to-cart:disabled { background-color: #444; color: #888; cursor: not-allowed; }

/* === MODAL STİLLERİ === */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.85); z-index: 2000; display: none; justify-content: center; align-items: center; animation: fadeIn 0.3s ease; }
.modal-overlay.visible { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-content { background-color: #1f1f1f; padding: 2rem; border-radius: 8px; width: 90%; max-width: 800px; max-height: 80vh; overflow-y: auto; position: relative; border-top: 4px solid #00aaff; animation: slideIn 0.3s ease forwards; }
@keyframes slideIn { from { transform: translateY(-30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.close-modal { position: absolute; top: 10px; right: 20px; font-size: 2rem; color: #888; background: none; border: none; cursor: pointer; transition: color 0.3s ease; }
.close-modal:hover { color: #fff; }
#modal-title { font-size: 1.8rem; color: #ffffff; margin-bottom: 1.5rem; }
#modal-product-list { display: flex; flex-direction: column; gap: 1rem; }
.modal-product-item { display: grid; grid-template-columns: 100px 3fr 1fr 1fr; align-items: center; gap: 1rem; padding: 1rem; border: 1px solid #333; border-radius: 5px; transition: background-color 0.3s ease, border-color 0.3s ease; }
.modal-product-item:hover { background-color: #2a2a2a; border-color: #00aaff; }
.modal-product-image { width: 100%; height: auto; max-width: 100px; border-radius: 5px; background-color: #333; }
.product-info { display: flex; flex-direction: column; gap: 5px; }
.modal-product-name { font-size: 1.1rem; font-weight: bold; color: #e0e0e0; }
.modal-product-spec { font-size: 0.9rem; color: #888; }
.modal-product-price { font-size: 1.1rem; font-weight: bold; color: #00ff88; text-align: right; }
.btn-modal-select { background-color: #00aaff; color: #ffffff; border: none; padding: 10px 15px; border-radius: 5px; cursor: pointer; font-weight: bold; transition: background-color 0.3s ease; }
.btn-modal-select:hover { background-color: #0088cc; }

/* === GENEL SAYFA STİLLERİ === */
.page-content { padding-top: 2rem; padding-bottom: 2rem; }
.page-content h1 { text-align: center; color: #ffffff; font-size: 2.5rem; margin-bottom: 0.5rem; }
.page-intro { text-align: center; color: #b0b0b0; margin-bottom: 2.5rem; font-size: 1.1rem; }

/* === HAZIR SİSTEMLER KART STİLLERİ (KESİN ÇÖZÜM) === */

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); 
    gap: 2rem;
    padding: 1rem 0;
}

.system-card { 
    background-color: #1f1f1f; 
    border: 1px solid #333; 
    border-radius: 8px; 
    overflow: hidden; 
    display: flex; 
    flex-direction: column; 
    height: 100%; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative; /* Z-index yönetimi için */
}

.system-card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 10px 20px rgba(0, 170, 255, 0.2); 
    border-color: #00aaff; 
}

/* GÖRSEL ALANI AYARLARI */
.system-image-area {
    width: 100%;
    height: 220px; /* Sabit yükseklik */
    background-color: #161616; /* Koyu zemin */
    border-bottom: 2px solid #00aaff; /* Görsel ile yazıyı ayıran çizgi */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    flex-shrink: 0; /* ÖNEMLİ: Bu alanın sıkışmasını engeller */
    position: relative;
    z-index: 1;
}

.system-image { 
    max-width: 100%; 
    max-height: 100%; 
    object-fit: contain; /* Görseli kutuya sığdırır, kesmez */
    display: block;
}

/* İÇERİK ALANI AYARLARI */
.system-content { 
    padding: 1.2rem;
    display: flex; 
    flex-direction: column; 
    flex-grow: 1; 
    background-color: #1f1f1f; /* İçerik arka planı */
    position: relative;
    z-index: 2; /* Görselin üzerine çıkmasını engeller */
}

/* BAŞLIK AYARLARI */
.system-name { 
    font-size: 1.3rem; 
    font-weight: bold;
    color: #ffffff; 
    margin-top: 0;
    margin-bottom: 1rem; 
    line-height: 1.4;
    min-height: 3rem; /* Başlıklar için yer ayır */
}

.system-name a { 
    text-decoration: none; 
    color: #ffffff; 
    transition: color 0.3s ease; 
}

.system-name a:hover { 
    color: #00aaff; 
}

/* ÖZELLİK VE PERFORMANS LİSTELERİ */
.system-specs, .system-performance {
    margin-bottom: 1rem;
}

.system-specs h3, .system-performance h3 {
    font-size: 0.95rem;
    color: #00aaff;
    margin-bottom: 8px;
    border-bottom: 1px solid #333;
    padding-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.system-specs ul, .system-performance ul { 
    list-style: none; 
    padding: 0; 
    margin: 0; 
}

.system-specs li, .system-performance li { 
    font-size: 0.9rem;
    padding: 4px 0; 
    color: #b0b0b0; 
    border-bottom: 1px dashed #2a2a2a; 
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Performans kutusu */
.system-performance {
    background-color: #252525;
    padding: 10px;
    border-radius: 5px;
    margin-top: auto; /* Listeyi aşağı iter */
}

.system-performance-desc {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 10px;
    font-style: italic;
    line-height: 1.4;
}

/* ALT KISIM */
.system-footer { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    border-top: 1px solid #333; 
    padding-top: 1rem; 
    margin-top: 1rem;
}

.system-price { 
    font-size: 1.4rem; 
    font-weight: bold; 
    color: #00ff88; 
}

.btn-add-to-cart { 
    background-color: #00aaff; 
    color: #ffffff; 
    border: none; 
    padding: 10px 20px; 
    border-radius: 5px; 
    cursor: pointer; 
    font-weight: bold; 
    transition: background-color 0.3s ease; 
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-add-to-cart:hover { 
    background-color: #0088cc; 
}
.system-card-content { padding: 1.5rem; display: flex; flex-direction: column; flex-grow: 1; }
.system-card-title { font-size: 1.4rem; color: #ffffff; margin-bottom: 1rem; min-height: 3.5rem; }
.system-card-title a { text-decoration: none; color: #ffffff; transition: color 0.3s ease; }
.system-card-title a:hover { color: #00aaff; }
.system-card-specs { list-style: none; margin-bottom: 1.5rem; color: #b0b0b0; flex-grow: 1; padding-left: 0; }
.system-card-specs li { font-size: 0.9rem; padding: 0.4rem 0; border-bottom: 1px dashed #333; }
.system-card-specs li:first-child { padding-top: 0; }
.system-card-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid #444; padding-top: 1rem; margin-top: auto; }
.system-card-price { font-size: 1.6rem; font-weight: bold; color: #00ff88; }
.btn-buy-now { background-color: #00aaff; color: #ffffff; border: none; padding: 10px 20px; border-radius: 5px; cursor: pointer; font-weight: bold; transition: background-color 0.3s ease; font-size: 1rem; }
.btn-buy-now:hover { background-color: #0088cc; }

/* === SİSTEM DETAY SAYFASI STİLLERİ === */
/* === SİSTEM DETAY SAYFASI (SİSTEM-DETAY.HTML) STİLLERİ === */

.page-content {
    padding-top: 50px;
    padding-bottom: 50px;
    min-height: 80vh;
}

/* Ana İçerik Konteyneri (Galeri ve Bilgi) */
.detail-container {
    display: flex;
    gap: 40px;
    background-color: #1a1a1a; /* Sayfa arka planından biraz daha açık */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

/* Görsel Alanı */
.detail-gallery {
    flex: 1;
    max-width: 500px;
    min-width: 350px;
    background-color: #121212; /* Çok koyu arka plan */
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #333;
}

#detail-image {
    max-width: 100%;
    max-height: 450px;
    object-fit: contain;
}

/* Bilgi Alanı */
.detail-info {
    flex: 2;
    padding-top: 10px;
}

#detail-title {
    font-size: 2.2em;
    color: #ffffff;
    margin-bottom: 15px;
    border-bottom: 2px solid #00aaff;
    padding-bottom: 10px;
}

.detail-description {
    color: #b0b0b0;
    line-height: 1.6;
    margin-bottom: 30px;
    font-size: 0.95em;
}

/* SEKMELER (TABS) */
.detail-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #444;
}

.tab-link {
    background-color: #2a2a2a;
    color: #b0b0b0;
    border: none;
    padding: 12px 20px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: background-color 0.3s, color 0.3s;
    border-radius: 5px 5px 0 0;
    margin-right: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-link.active {
    background-color: #00aaff;
    color: #ffffff;
    border-bottom: 2px solid #00ff88;
}

.tab-link:hover:not(.active) {
    background-color: #3a3a3a;
    color: #ffffff;
}

.tab-content {
    padding: 15px 0;
    display: none;
    min-height: 300px;
}

.tab-content.active {
    display: block;
}

.tab-subheader {
    font-size: 1.2em;
    color: #00ff88;
    margin-bottom: 15px;
    padding-bottom: 5px;
    border-bottom: 1px dashed #333;
}

/* BİLEŞEN SEÇİM ALANI (PC Toplayıcı'dan alınan yapı) */
.component-selection {
    padding: 10px;
    border: 1px solid #333;
    border-radius: 8px;
    background-color: #222;
}

.component-row {
    display: flex;
    align-items: center;
    padding: 15px 10px;
    border-bottom: 1px solid #333;
    transition: background-color 0.2s;
}

.component-row:last-child {
    border-bottom: none;
}

.component-row:hover {
    background-color: #2a2a2a;
}

.component-icon-img {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    object-fit: contain;
    filter: brightness(0.8); /* Koyu temaya uyum */
}

.component-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.component-title {
    font-size: 0.9em;
    color: #b0b0b0;
}

.selected-item {
    font-size: 1.1em;
    font-weight: bold;
    color: #ffffff;
}

.btn-select {
    background-color: #00aaff;
    color: #ffffff;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
    min-width: 100px;
}

.btn-select:hover {
    background-color: #0088cc;
}

/* FİYAT VE SATIN ALMA KUTUSU */
.detail-purchase-box {
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-top: 3px solid #00aaff; /* Vurgu çizgisi */
    background-color: #121212;
    border-radius: 0 0 10px 10px;
}

.detail-price {
    font-size: 2.5em;
    font-weight: bold;
    color: #00ff88;
}

.detail-buy-button {
    background-color: #00ff88;
    color: #121212;
    padding: 15px 30px;
    font-size: 1.1em;
    font-weight: bold;
    border-radius: 8px;
    transition: background-color 0.3s;
}

.detail-buy-button:hover {
    background-color: #00cc66;
}

/* Responsive Düzenleme */
@media (max-width: 1024px) {
    .detail-container {
        flex-direction: column;
    }
    .detail-gallery {
        max-width: 100%;
    }
}
@media (max-width: 600px) {
    #detail-title {
        font-size: 1.8em;
    }
    .detail-tabs {
        flex-wrap: wrap;
    }
    .tab-link {
        flex: 1 1 auto;
        margin-bottom: 5px;
    }
    .detail-purchase-box {
        flex-direction: column;
        gap: 15px;
    }
    .detail-buy-button {
        width: 100%;
        text-align: center;
    }
}

/* === ÜRÜN DETAY SAYFASI (detay-urun.html) STİLLERİ === */
.product-detail-container { display: none; grid-template-columns: 1fr 1.5fr; gap: 3rem; background-color: #1f1f1f; padding: 2rem; border-radius: 8px; border: 1px solid #333; }
@media (max-width: 900px) { .product-detail-container { grid-template-columns: 1fr; } }
.product-detail-image-container { background-color: #121212; border-radius: 8px; padding: 1rem; border: 1px solid #2a2a2a; display: flex; justify-content: center; align-items: center; }
#detail-image { max-width: 100%; max-height: 450px; object-fit: contain; border-radius: 5px; }
.product-detail-info { display: flex; flex-direction: column; }
.product-detail-info h1 { text-align: left; font-size: 2rem; color: #00aaff; margin-bottom: 1rem; }
.product-detail-info h3 { font-size: 1.5rem; color: #ffffff; border-bottom: 1px solid #444; padding-bottom: 0.5rem; margin-bottom: 1rem; }

/* === LİSTE.HTML (Ürün Listeleme) KART STİLLERİ === */
.product-card { background-color: #1f1f1f; border: 1px solid #333; border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.product-card:hover { transform: translateY(-10px); box-shadow: 0 10px 20px rgba(0, 170, 255, 0.1); border-color: #00aaff; }
.product-card-image { width: 100%; height: 250px; object-fit: contain; background-color: #121212; border-bottom: 2px solid #00aaff; }
.product-card-content { padding: 1.5rem; display: flex; flex-direction: column; flex-grow: 1; }
.product-card-title { font-size: 1.2rem; color: #ffffff; margin-bottom: 1.5rem; flex-grow: 1; min-height: 3rem; }
.product-card-title a { color: inherit; text-decoration: none; transition: color 0.3s ease; } /* Link stilleri */
.product-card-title a:hover { color: #00aaff; }
.product-card-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid #444; padding-top: 1rem; margin-top: auto; }
.product-card-price { font-size: 1.5rem; font-weight: bold; color: #00ff88; }

/* Yeni ürün kartı stilleri */
.product-brand { font-size: 0.9rem; color: #00aaff; margin-bottom: 0.5rem; font-weight: bold; }
.product-type { font-size: 0.9rem; color: #cccccc; margin-bottom: 0.5rem; }
.product-features { font-size: 0.85rem; color: #aaaaaa; margin-bottom: 1rem; line-height: 1.4; }

/* === SEPET BİLDİRİM STİLİ === */
.cart-notification { position: fixed; top: 20px; right: -350px; background-color: #00aaff; color: #ffffff; padding: 15px 25px; border-radius: 5px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); z-index: 9999; font-size: 1rem; font-weight: bold; opacity: 0; transition: right 0.5s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.5s ease-in-out; max-width: 300px; word-wrap: break-word; }
.cart-notification.show { right: 20px; opacity: 1; }

/* === NAVBAR SEPET SAYACI STİLİ === */
#cart-item-count { position: absolute; top: -8px; right: -10px; background-color: #ff4d4d; color: white; border-radius: 50%; width: 20px; height: 20px; font-size: 12px; font-weight: bold; display: none; justify-content: center; align-items: center; border: 1px solid #1f1f1f; }

/* === SEPET SAYFASI (sepet.html) STİLLERİ === */
.cart-container { display: flex; gap: 2rem; align-items: flex-start; }
@media (max-width: 900px) { .cart-container { flex-direction: column; } .cart-summary { width: 100%; position: static; } }
.cart-items { flex: 3; background-color: #1f1f1f; border-radius: 8px; padding: 1.5rem; border: 1px solid #333; display: flex; flex-direction: column; gap: 1.5rem; }
.cart-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 4rem 2rem; text-align: center; color: #888; }
.cart-empty i { margin-bottom: 1.5rem; color: #444; }
.cart-empty p { font-size: 1.2rem; margin-bottom: 2rem; }
.cart-empty .cta-button { font-size: 1rem; }
.cart-item { display: grid; grid-template-columns: 100px 3fr 1.5fr 1fr auto; align-items: center; gap: 1rem; padding-bottom: 1.5rem; border-bottom: 1px solid #333; }
.cart-item:last-child { border-bottom: none; padding-bottom: 0; }
.cart-item-image { width: 100%; height: 100px; object-fit: contain; background-color: #2a2a2a; border-radius: 5px; }
.cart-item-details { display: flex; flex-direction: column; gap: 0.5rem; }
.cart-item-title { font-size: 1.1rem; color: #ffffff; font-weight: bold; }
.cart-item-id { font-size: 0.8rem; color: #777; }
.cart-system-components { list-style: none; padding-left: 0; font-size: 0.85rem; color: #aaa; margin-top: 0.5rem; max-height: 100px; overflow-y: auto; }
.cart-system-components li { margin-bottom: 3px; }
.cart-item-quantity { display: flex; align-items: center; justify-content: center; }
.quantity-btn { background-color: #333; color: #eee; border: none; width: 30px; height: 30px; border-radius: 50%; font-size: 1.2rem; font-weight: bold; cursor: pointer; transition: background-color 0.2s ease; }
.quantity-btn:hover { background-color: #00aaff; color: white; }
.quantity-btn:disabled { background-color: #222; color: #555; cursor: not-allowed; }
.item-quantity { font-size: 1.1rem; font-weight: bold; color: #ffffff; min-width: 40px; text-align: center; }
.cart-item-price { font-size: 1.1rem; font-weight: bold; color: #00ff88; text-align: right; }
.cart-item-remove { background: none; border: none; color: #888; font-size: 1.3rem; cursor: pointer; transition: color 0.2s ease; padding: 5px; }
.cart-item-remove:hover { color: #ff4d4d; }
.cart-summary { flex: 1.5; background-color: #1f1f1f; border-radius: 8px; padding: 1.5rem 2rem; border: 1px solid #333; position: sticky; top: 100px; display: none; }
.cart-summary h2 { font-size: 1.5rem; color: #00aaff; border-bottom: 1px solid #444; padding-bottom: 1rem; margin-bottom: 1.5rem; text-align: center; }
.summary-line { display: flex; justify-content: space-between; font-size: 1.1rem; color: #ccc; margin-bottom: 1rem; }
.summary-line span:last-child { font-weight: bold; color: #ffffff; }
.total-line { border-top: 1px solid #444; padding-top: 1rem; margin-top: 1rem; font-size: 1.4rem; font-weight: bold; }
.total-line span:last-child { color: #00ff88; }
.btn-checkout { background-color: #00cc66; color: #ffffff; border: none; padding: 15px; width: 100%; margin-top: 2rem; border-radius: 5px; font-size: 1.2rem; font-weight: bold; cursor: pointer; transition: background-color 0.3s ease; display: inline-block; /* <a> etiketi için */ text-align: center; } /* Linki ortalamak için */
.btn-checkout:hover { background-color: #00aa55; }
.btn-checkout:disabled { background-color: #444; color: #888; cursor: not-allowed; } /* Link için pek işe yaramaz ama dursun */

/* === ÖDEME SAYFASI (odeme.html) STİLLERİ === */
.checkout-container { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; align-items: flex-start; }
@media (max-width: 900px) { .checkout-container { grid-template-columns: 1fr; } }
.checkout-form { background-color: #1f1f1f; padding: 2rem; border-radius: 8px; border: 1px solid #333; }
.checkout-form h2 { font-size: 1.5rem; color: #00aaff; margin-bottom: 1.5rem; border-bottom: 1px solid #444; padding-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: #ccc; font-weight: bold; }
.form-group input[type="text"], .form-group input[type="email"], .form-group input[type="tel"], .form-group textarea { width: 100%; padding: 10px; background-color: #2a2a2a; border: 1px solid #444; border-radius: 5px; color: #eee; font-size: 1rem; }
.form-group textarea { resize: vertical; min-height: 60px; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: #00aaff; box-shadow: 0 0 5px rgba(0, 170, 255, 0.3); }
.checkout-summary { background-color: #1f1f1f; border-radius: 8px; padding: 1.5rem 2rem; border: 1px solid #333; position: sticky; top: 100px; }
.checkout-summary h2 { font-size: 1.5rem; color: #00aaff; border-bottom: 1px solid #444; padding-bottom: 1rem; margin-bottom: 1.5rem; text-align: center; }
.checkout-items { margin-bottom: 1.5rem; max-height: 300px; overflow-y: auto; padding-right: 10px; }
.checkout-item { display: flex; justify-content: space-between; font-size: 0.95rem; color: #ccc; margin-bottom: 0.8rem; padding-bottom: 0.8rem; border-bottom: 1px dashed #333; }
.checkout-item:last-child { border-bottom: none; margin-bottom: 0; }
.checkout-item-name { flex-grow: 1; margin-right: 1rem; }
.checkout-item-price { font-weight: bold; color: #eee; white-space: nowrap; }
.btn-complete-order { margin-top: 1.5rem; }
.btn-complete-order i { margin-right: 8px; }
.order-success-message { background-color: #1f1f1f; border: 1px solid #00cc66; border-radius: 8px; padding: 3rem 2rem; text-align: center; display: none; flex-direction: column; align-items: center; }
.order-success-message i { color: #00cc66; margin-bottom: 1.5rem; }
.order-success-message h2 { color: #ffffff; font-size: 1.8rem; margin-bottom: 1rem; }
.order-success-message p { color: #ccc; margin-bottom: 0.5rem; font-size: 1.1rem; line-height: 1.6; }
.order-success-message .cta-button { margin-top: 2rem; }

/* === style.css dosyasının en altına ekle === */

/* === INDEX.HTML ALTERNATİF TASARIM STİLLERİ === */

/* Yeni Hero Alanı */
.hero-alt {
    background: linear-gradient(135deg, #1a1a1a 0%, #121212 100%); /* Koyu gradient */
    padding: 6rem 0; /* Yukarıdan ve aşağıdan daha fazla boşluk */
    overflow: hidden; /* Taşmaları engelle */
}

.hero-alt-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

/* Küçük ekranlarda alt alta */
@media (max-width: 900px) {
    .hero-alt-content {
        flex-direction: column;
        text-align: center;
    }
    .hero-alt-image {
        margin-top: 2rem;
        max-width: 80%; /* Resmi biraz küçült */
    }
}

/* Sol Taraf: Metin */
.hero-alt-text {
    flex: 1; /* Esnek genişlik */
}

.hero-alt-text h1 {
    font-size: 3.2rem;
    color: #ffffff;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-alt-text p {
    font-size: 1.1rem;
    color: #b0b0b0;
    margin-bottom: 2rem;
    max-width: 600px; /* Metin çok yayılmasın */
}
@media (max-width: 900px) {
    .hero-alt-text p {
        max-width: 100%;
    }
}

/* Sağ Taraf: Görsel */
.hero-alt-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}



/* Kategori Bölümü Başlığı */
.section-title {
    text-align: center;
    font-size: 2rem;
    color: #ffffff;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}
/* Başlığın altına mavi çizgi */
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #00aaff;
    border-radius: 2px;
}


/* Kategori Kartları - Hover Efekti Güncellemesi (Daha Sade) */
.category-card:hover {
    transform: none; /* Yukarı kalkma efektini kaldır */
    box-shadow: 0 5px 15px rgba(0, 170, 255, 0.15); /* Gölgeyi biraz artır */
    border-color: #00aaff;
}
/* === DETAY SAYFASI PERFORMANS LİSTELERİ === */

.detail-perf-list, .detail-tech-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.detail-perf-list li, .detail-tech-list li {
    padding: 10px 0;
    border-bottom: 1px dashed #333;
    color: #ffffff;
    font-size: 1em;
    display: flex;
    align-items: center;
    gap: 15px;
}

.detail-perf-list li:last-child, .detail-tech-list li:last-child {
    border-bottom: none;
}

.detail-perf-list li strong, .detail-tech-list li strong {
    color: #b0b0b0; /* Açıklama rengi */
    font-weight: normal;
}

.detail-perf-list li span, .detail-tech-list li span {
    font-weight: bold; /* Değer rengi */
    color: #ffffff;
}

/* === MODERN BUTTON SYSTEM === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    outline: none;
    text-align: center;
    white-space: nowrap;
    font-family: inherit;
}

.btn i {
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #00aaff 0%, #0088cc 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #00bbff 0%, #0099ee 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 170, 255, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Specific styling for Incele buttons in cards */
.btn-incele, .btn-incele-paket {
    padding: 10px 16px;
    font-size: 0.9rem;
    min-width: 120px;
}

/* Fix alignment in product card footers */
.product-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.system-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}