@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

/* ==========================================================================
   1. DESIGN SYSTEM & GLOBAL STYLES
   ========================================================================== */
:root {
    
/* header footer yapıştırıcı*/
    html {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
}
    /* Color Palette */
    --color-primary: #3F51B5;
    --color-primary-light: #5C6BC0;
    --color-primary-dark: #303F9F;
    --color-accent: #FF7043;
    --color-accent-dark: #E65100;
    --color-dark: #212121;
    --color-body: #424242;
    --color-light-gray: #BDBDBD;
    --color-lighter-gray: #F5F5F5;
    --color-white: #FFFFFF;
    --color-success: #4CAF50;
    --color-error: #F44336;

    /* Typography - UPDATED */
    --font-primary: 'Montserrat', sans-serif;
    --text-base-size: 16px;

    /* Spacing & Sizing */
    --container-width: 1280px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --spacing-md: 1.5rem;
    --spacing-xl: 4rem;

    /* Shadows & Transitions */
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition-default: all 0.3s ease-in-out;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base-size);
    background-color: var(--color-white); /* Changed background to clean white */
    color: var(--color-body);
    line-height: 1.7;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary); /* UPDATED - Consistent font */
    color: var(--color-dark);
    font-weight: 700;
    line-height: 1.3;
}
/* ... other global styles ... */

/* ==========================================================================
   3. PRODUCT CARDS & GRIDS - UPDATED
   ========================================================================== */
.product-grid-v4 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.product-card-v4 {
    background-color: var(--color-white);
    border-radius: var(--radius-sm); /* Slightly sharper corners */
    border: 1px solid #E0E0E0;
    transition: var(--transition-default);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card-v4:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.card-image-v4 {
    height: 250px; /* UPDATED - Fixed height for the image container */
    overflow: hidden;
    position: relative;
    background-color: var(--color-lighter-gray);
}

.card-image-v4 img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* UPDATED - This is the key change. Fills the box, crops if necessary. */
    transition: transform 0.4s ease, filter 0.4s ease;
}

.product-card-v4:hover .card-image-v4 img {
    transform: scale(1.05);
}

.card-content-v4 {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    text-align: center;
}

.card-category-v4 {
    color: var(--color-light-gray);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.card-title-v4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-dark);
    line-height: 1.4;
    margin-bottom: auto;
    padding-bottom: 1rem;
    
    /* KESİN ÇÖZÜM: Başlıkları 2 satırla sınırla */
    height: 2.94rem; /* (font-size * line-height * 2 satır) */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
}
.card-title-v4:hover {
    color: var(--color-primary);
}


.card-price-v4 {
    margin-top: 1rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    font-size: 1.5rem;
}

.add-to-cart-button {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.add-to-cart-button:hover {
    background-color: var(--color-dark);
}

/* --- The rest of the CSS code remains the same as the last version --- */
/* You can copy and paste the entire block from the previous response below this line,
   or just update the changed sections above. For simplicity, I will re-paste the full code. */
       
/* =================== FULL CODE BELOW ==================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

/* ==========================================================================
   1. DESIGN SYSTEM & GLOBAL STYLES
   ========================================================================== */
:root {
    /* Color Palette */
    --color-primary: #3F51B5;
    --color-primary-light: #5C6BC0;
    --color-primary-dark: #303F9F;
    --color-accent: #FF7043;
    --color-accent-dark: #E65100;
    --color-dark: #212121;
    --color-body: #424242;
    --color-light-gray: #BDBDBD;
    --color-lighter-gray: #F5F5F5;
    --color-white: #FFFFFF;
    --color-success: #4CAF50;
    --color-error: #F44336;

    /* Typography - UPDATED */
    --font-primary: 'Montserrat', sans-serif;
    --text-base-size: 16px;

    /* Spacing & Sizing */
    --container-width: 1280px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* Shadows & Transitions */
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition-fast: all 0.2s ease-in-out;
    --transition-default: all 0.3s ease-in-out;
    --transition-slow: all 0.4s ease-in-out;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base-size);
    background-color: var(--color-white);
    color: var(--color-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    color: var(--color-dark);
    font-weight: 700;
    line-height: 1.3;
}

h1 { font-size: 3.2rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }

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

a:hover {
    color: var(--color-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
    font-family: var(--font-primary);
    transition: var(--transition-default);
}

/* ==========================================================================
   2. HEADER & NAVIGATION
   ========================================================================== */
.main-header-v4 {
    background-color: var(--color-white);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.top-bar {
    background-color: var(--color-dark);
    color: var(--color-light-gray);
    font-size: 0.8rem;
    padding: 0.5rem 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar a {
    color: var(--color-light-gray);
}
.top-bar a:hover {
    color: var(--color-white);
}

.main-nav-area .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-md);
}

.logo-v4 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    letter-spacing: -0.5px;
}

.search-bar-v4 {
    display: flex;
    width: clamp(300px, 45%, 600px);
    position: relative;
}

.search-bar-v4 input {
    width: 100%;
    padding: 0.8rem var(--spacing-md);
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--color-body);
    transition: var(--transition-default);
}

.search-bar-v4 input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.1);
}

.search-bar-v4 button {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    font-size: 1.1rem;
}

.search-bar-v4 button:hover {
    background-color: var(--color-primary-dark);
}

.header-actions-v4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.action-link {
    color: var(--color-dark);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-link i {
    font-size: 1.3rem;
    color: var(--color-primary);
}

.cart-item-count {
    position: absolute;
    top: -8px;
    right: -10px;
    background-color: var(--color-accent);
    color: var(--color-dark);
    font-size: 0.75rem;
    font-weight: 700;
    min-width: 22px;
    height: 22px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    padding: 2px;
}

/* ==========================================================================
   3. PRODUCT CARDS & GRIDS
   ========================================================================== */
.product-grid-v4 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.product-card-v4 {
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    border: 1px solid #E0E0E0;
    transition: var(--transition-default);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card-v4:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.card-image-v4 {
    height: 250px;
    overflow: hidden;
    position: relative;
    background-color: var(--color-lighter-gray);
}

.card-image-v4 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease, filter 0.4s ease;
}

.product-card-v4:hover .card-image-v4 img {
    transform: scale(1.05);
}

.card-content-v4 {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    text-align: center;
}

.card-category-v4 {
    color: var(--color-light-gray);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.card-title-v4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-dark);
    line-height: 1.4;
    margin-bottom: auto;
    padding-bottom: 1rem;
    min-height: 58px;
}
.card-title-v4:hover {
    color: var(--color-primary);
}

.card-price-v4 {
    margin-top: 1rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    font-size: 1.5rem;
}

.add-to-cart-button {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.add-to-cart-button:hover {
    background-color: var(--color-dark);
}
.add-to-cart-button:disabled {
    background-color: var(--color-light-gray);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}
/* ==========================================================================
   4. HOME PAGE SECTIONS (Rest of the code is the same)
   ========================================================================== */
.section-padding {
    padding: var(--spacing-xl) 0;
}

.section-title-v4 {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: var(--color-dark);
    position: relative;
    padding-bottom: 15px;
}
.section-title-v4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--color-accent);
    border-radius: 2px;
}
/* ==========================================================================
   banner ayarları
   ========================================================================== */
.hero-v4 {
    padding: var(--spacing-xxl) 0;
    color: var(--color-white);
    background: linear-gradient(rgba(33, 33, 33, 0.7), rgba(33, 33, 33, 0.7)), url('https://images.unsplash.com/photo-1558521211-858137a54a4b?q=80&w=1935') center/cover no-repeat fixed; /* fixed parallax effect */
    text-align: center;
    display: flex;
    align-items: center;
    min-height: 500px;
    position: relative;
    z-index: 1;
}
.hero-text h1 {
    font-size: clamp(2.8rem, 6vw, 4rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}
.hero-text p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}
.hero-button {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 1.1rem 3.5rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 1.1rem;
}
.hero-button:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 112, 67, 0.4);
}
/* ==========================================================================*/

.trust-seals {
    background-color: var(--color-white);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid #E0E0E0;
}
.trust-seals .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}
.seal-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
}
.seal-item i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-default);
}
.seal-item span {
    font-weight: 600;
    color: var(--color-dark);
    font-size: 1.05rem;
}
.seal-item:hover i {
    transform: translateY(-5px) scale(1.1);
    color: var(--color-accent);
}

.products-section-v4 {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-lighter-gray);
}
/* ==========================================================================
   SEKMELİ VİTRİN BÖLÜMÜ (ÖNE ÇIKANLAR) - YENİ TASARIM
   ========================================================================== */
.tabbed-showcase {
    background-color: var(--color-white);
    padding: var(--spacing-lg) 0;
}

.showcase-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid #e5e7eb;
}

.tab-link {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-body);
    padding: 1rem 1.5rem;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}
.tab-link:hover {
    color: var(--color-primary);
}
.tab-link.active {
    color: var(--color-primary-dark);
    border-bottom-color: var(--color-primary-dark);
}

.tab-pane { 
    display: none; 
}
.tab-pane.active { 
    display: block; 
    animation: fadeIn 0.5s forwards; 
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- MOBİL UYUMLULUK --- */
@media (max-width: 768px) {
    .tabbed-showcase .section-title-v4 {
        font-size: 2rem; /* Başlığı mobilde biraz küçültelim */
    }

    .showcase-tabs {
        gap: 0; /* Sekmeler arası boşluğu kaldır */
        justify-content: space-around; /* Ekrana sığdır */
    }

    .tab-link {
        flex: 1; /* Sekmelerin eşit genişlikte olmasını sağla */
        text-align: center;
        font-size: 0.9rem; /* Yazıyı küçült */
        padding: 1rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .product-grid-v4 {
        grid-template-columns: 1fr 1fr; /* Çok küçük ekranlarda 2'li ürün listesi */
        gap: var(--spacing-sm);
    }
}

/* ... and so on for the rest of the styles ... */
/* ==========================================================================
   KATEGORİ VİTRİNİ - YENİ TASARIM
   ========================================================================== */
.category-showcase-v4 {
    background-color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.category-grid-v4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.category-card-v4 {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    aspect-ratio: 4 / 5; /* Kart oranını sabitler */
    display: flex;
    align-items: flex-end; /* İçeriği aşağıya hizalar */
    padding: var(--spacing-lg);
    text-decoration: none;
    color: var(--color-white);
    transition: var(--transition-default);
}

.category-card-v4::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Varsayılan arka plan, resim eklenene kadar */
    background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    background-size: cover;
    background-position: center;
    z-index: 1;
    transition: var(--transition-slow);
}

.category-card-v4::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(18, 24, 38, 0.85) 0%, rgba(18, 24, 38, 0.1) 100%); /* Metin okunabilirliği için gölge */
    z-index: 2;
}

.category-card-v4:hover::before {
    transform: scale(1.1);
}

.category-card-v4 .category-content {
    position: relative;
    z-index: 3;
    transition: var(--transition-default);
}

.category-card-v4 i {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.category-card-v4 h3 {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
}

.category-card-v4 p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
    margin-top: 0.5rem;
}

.category-card-v4:hover p {
    max-height: 100px; /* Metnin görüneceği alan */
    opacity: 1;
}

.category-card-v4:hover .category-content {
    transform: translateY(-10px);
}
/* ==========================================================================
   NEDEN BİZ BÖLÜMÜ - YENİ TASARIM
   ========================================================================== */
.why-us-v4 {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-lighter-gray);
    overflow: hidden;
}

.why-us-v4 .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xxl);
    flex-wrap: wrap;
}

.why-us-image {
    flex: 1 1 450px;
    min-width: 300px;
}

.why-us-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.why-us-content {
    flex: 1 1 500px;
}

.why-us-content .section-title-v4 {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}
.why-us-content .section-title-v4::after {
    left: 0;
    transform: none;
}

.why-us-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-light);
    transition: var(--transition-default);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.feature-item .icon {
    font-size: 2.5rem;
    color: var(--color-accent);
    flex-shrink: 0; /* İkonun küçülmesini engeller */
}

.feature-item .text h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.feature-item .text p {
    font-size: 0.95rem;
    color: var(--color-body);
    line-height: 1.6;
}
/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer-v4 {
    background-color: var(--color-dark);
    color: var(--color-light-gray);
    padding: var(--spacing-xl) 0 0;
    margin-top: var(--spacing-xl);
}

.footer-grid-v4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
}

.footer-col .logo-v4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

.footer-col h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    line-height: 1.8;
    max-width: 300px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col ul a {
    color: var(--color-light-gray);
    transition: var(--transition-default);
}

.footer-col ul a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icons a {
    color: var(--color-light-gray);
    font-size: 1.4rem;
}

.social-icons a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid #424242;
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.9rem;
}
/* ==========================================================================
   2. HEADER & NAVIGATION - PROFESYONEL TASARIM
   ========================================================================== */
.main-header-v4 {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-lighter-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.main-header-v4 .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    gap: 2rem;
}
.logo-v4 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-dark);
}

/* --- ARAMA ÇUBUĞU --- */
.search-bar-v4 {
    display: flex;
    flex-grow: 1;
    max-width: 600px;
    position: relative;
}
.search-bar-v4 input {
    width: 100%;
    padding: 0.8rem 1.2rem;
    border: 1px solid #E0E0E0;
    border-radius: 50px;
    font-size: 0.95rem;
    padding-right: 50px;
}
.search-bar-v4 input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.1);
}
.search-bar-v4 button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    font-size: 1rem;
}

/* --- HEADER İKONLARI --- */
.header-actions-v4 {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.action-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--color-dark);
    font-weight: 500;
    position: relative;
}
.action-link i { font-size: 1.5rem; }
.action-link:hover { color: var(--color-primary); }
.cart-item-count {
    position: absolute;
    top: -5px;
    right: -12px;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: grid;
    place-items: center;
}

/* --- KATEGORİ NAVİGASYON BARI --- */
.category-navbar {
    background-color: var(--color-white);
    box-shadow: var(--shadow-light);
}
.category-navbar .container {
    height: 50px;
}
.category-navbar ul {
    list-style: none;
    display: flex;
    height: 100%;
    gap: 2.5rem;
}
.category-navbar ul li a {
    color: var(--color-body);
    font-weight: 600;
    font-size: 0.95rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}
.category-navbar ul li a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.category-navbar ul li a i {
    font-size: 0.7rem;
}


/* --- MOBİL UYUMLULUK --- */
.mobile-menu-toggle { display: none; }
.mobile-menu-container { display: none; }

@media (max-width: 1024px) {
    .search-bar-v4, .header-actions-v4 .action-text, .category-navbar {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: 1px solid var(--color-light-gray);
        color: var(--color-dark);
        width: 40px;
        height: 40px;
        border-radius: var(--radius-sm);
        font-size: 1.2rem;
    }
    .header-actions-v4 { gap: 1.5rem; }

    .mobile-menu-container {
        position: fixed;
        top: 0;
        left: -100%; /* Başlangıçta ekranın dışında */
        width: 300px;
        height: 100%;
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        z-index: 2000;
        transition: left 0.4s ease-in-out;
        padding: 2rem;
        overflow-y: auto;
    }
    .mobile-menu-container.active {
        left: 0; /* Aktif olunca ekrana gelsin */
    }
    .mobile-menu-container ul { list-style: none; }
    .mobile-menu-container li a {
        display: block;
        padding: 1rem 0;
        font-weight: 600;
        color: var(--color-dark);
        border-bottom: 1px solid var(--color-lighter-gray);
    }
    .mobile-menu-container .submenu { padding-left: 1rem; }
    .mobile-menu-container .submenu li a { font-weight: 500; font-size: 0.9rem; }
}
@media (max-width: 768px) {
    .main-header-v4 .container {
        height: 70px;
    }
    .logo-v4 {
        font-size: 1.8rem;
    }
}
x;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(48, 63, 159, 0.2);
}
.checkout-btn:hover {
    background-color: var(--color-dark);
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(48, 63, 159, 0.3);
}
.checkout-btn i {
    font-size: 1rem;
}

/* ==========================================================================
   SEPET SAYFASI - PROFESYONEL TASARIM
   ========================================================================== */
.cart-page-professional {
    background-color: #f9fafb; /* Açık gri arka plan */
    padding: var(--spacing-xl) 0;
}
.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: var(--spacing-md);
}
.cart-header h1 {
    font-size: 2rem;
}
.cart-header a {
    color: var(--color-primary);
    font-weight: 600;
}

.cart-layout {
    display: grid;
    grid-template-columns: 2.5fr 1fr;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

/* --- Ürün Listesi Paneli --- */
.cart-items-panel {
    background: var(--color-white);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
}
.items-header {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 40px;
    gap: 1rem;
    padding: 1rem var(--spacing-lg);
    color: var(--color-body);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    border-bottom: 1px solid #e5e7eb;
}
.header-quantity, .header-total {
    text-align: center;
}
.cart-item {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 40px;
    gap: 1rem;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid #e5e7eb;
}
.cart-item:last-child {
    border-bottom: none;
}
.item-product {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.item-product img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid #e5e7eb;
}
.item-title {
    font-weight: 600;
    color: var(--color-dark);
    display: block;
    margin-bottom: 0.25rem;
}
.item-price {
    color: var(--color-body);
    font-size: 0.9rem;
}
.item-quantity {
    display: flex;
    align-items: center;
    justify-content: center;
}
.item-quantity input {
    width: 45px;
    text-align: center;
    font-size: 1rem;
    border: none;
    background: #f9fafb;
    padding: 0.5rem;
}
.item-quantity input:focus {
    outline: none;
}
.quantity-btn {
    width: 30px;
    height: 30px;
    border: 1px solid #e5e7eb;
    border-radius: 50%;
    cursor: pointer;
    background: var(--color-white);
    transition: all 0.2s;
}
.quantity-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}
.item-total {
    text-align: center;
    font-weight: 700;
}
.item-remove {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #9ca3af;
    cursor: pointer;
}
.item-remove:hover {
    color: var(--color-error);
}

/* --- Sipariş Özeti Paneli --- */
.cart-summary-panel {
    background: var(--color-white);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    position: sticky;
    top: 120px;
}
.cart-summary-panel h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: var(--spacing-md);
}
.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    color: var(--color-body);
}
.summary-row strong {
    font-weight: 600;
    color: var(--color-dark);
}
.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.4rem;
    font-weight: 700;
    padding-top: 1.25rem;
    border-top: 1px solid #e5e7eb;
    margin-top: 1rem;
}

/* --- YENİ BUTON TASARIMI --- */
/* (Burada "letter-spacing: 0.5p" hatası vardı, düzeltildi) */
.checkout-btn {
    width: 100%;
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: 1rem;
    margin-top: var(--spacing-lg);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px; 
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(48, 63, 159, 0.2);
}
.checkout-btn:hover {
    background-color: var(--color-dark);
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(48, 63, 159, 0.3);
}
.checkout-btn i {
    font-size: 1rem;
}

/* --- Boş Sepet --- */
.cart-empty {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--color-white);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}
.cart-empty i {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}
.cart-empty h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}
.cart-empty p {
    color: var(--color-body);
    margin-bottom: 2rem;
}


/* ==========================================================================
   ÜRÜN DETAY SAYFASI STİLLERİ (BU KISIM DA ÖNCEKİ KOD BLOGUNDAYDI)
   ========================================================================== */
.product-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.quantity-control {
    display: flex;
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow: hidden;
    height: 48px;
}
.quantity-control button {
    background-color: #f0f2f5;
    border: none;
    padding: 0 15px;
    cursor: pointer;
    font-size: 1.2em;
    color: #555;
    transition: background-color 0.2s;
    flex-shrink: 0;
}
.quantity-control button:hover {
    background-color: #e0e2e6;
}
.quantity-control .quantity-input {
    border: none;
    text-align: center;
    width: 60px;
    padding: 0 5px;
    font-size: 1.1em;
    color: #333;
    -moz-appearance: textfield;
    height: 100%;
}
.quantity-control .quantity-input::-webkit-inner-spin-button,
.quantity-control .quantity-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.btn.btn-primary.add-to-cart-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}
.btn.btn-primary.add-to-cart-button:hover {
    background-color: var(--dark-primary-color);
    transform: translateY(-2px);
}
.btn.btn-primary.add-to-cart-button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    transform: none;
}
.btn.btn-primary.add-to-cart-button i {
    font-size: 1.2em;
}

.out-of-stock-message {
    color: #dc3545;
    font-weight: bold;
    font-size: 1.1em;
    margin-top: 10px;
}

/* Trust Seals - Aynı yapıyı koruyorum */
.trust-seals {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: 30px 0;
    border-top: 1px solid #eee;
    margin-top: 50px;
    gap: 20px;
}
.trust-seals .seal-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 120px;
    max-width: 200px;
    color: #555;
}
.trust-seals .seal-item i {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.trust-seals .seal-item span {
    font-weight: 600;
    font-size: 0.95em;
}

/* --- Mobil Uyumlu --- */
@media (max-width: 992px) {
    .cart-layout {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 600px) {
    .items-header { display: none; }
    .cart-item {
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        padding: 1.5rem;
        gap: 1rem;
    }
    .item-product { grid-column: 1 / 2; grid-row: 1 / 2; }
    .item-quantity { grid-column: 1 / 2; grid-row: 2 / 3; justify-content: flex-start; }
    .item-total { grid-column: 2 / 3; grid-row: 2 / 3; }
    .item-remove { grid-column: 2 / 3; grid-row: 1 / 2; justify-self: flex-end; }
    
}


.product-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: auto; /* Alt kısma yasla */
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.quantity-control {
    display: flex;
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow: hidden;
    height: 48px; /* Buton yüksekliği ile eşitle */
}
.quantity-control button {
    background-color: #f0f2f5;
    border: none;
    padding: 0 15px;
    cursor: pointer;
    font-size: 1.2em;
    color: #555;
    transition: background-color 0.2s;
    flex-shrink: 0;
}
.quantity-control button:hover {
    background-color: #e0e2e6;
}
.quantity-control .quantity-input {
    border: none;
    text-align: center;
    width: 60px;
    padding: 0 5px;
    font-size: 1.1em;
    color: #333;
    -moz-appearance: textfield;
    height: 100%;
}
.quantity-control .quantity-input::-webkit-inner-spin-button,
.quantity-control .quantity-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.btn.btn-primary.add-to-cart-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}
.btn.btn-primary.add-to-cart-button:hover {
    background-color: var(--dark-primary-color);
    transform: translateY(-2px);
}
.btn.btn-primary.add-to-cart-button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    transform: none;
}
.btn.btn-primary.add-to-cart-button i {
    font-size: 1.2em;
}

.out-of-stock-message {
    color: #dc3545;
    font-weight: bold;
    font-size: 1.1em;
    margin-top: 10px;
}

/* Trust Seals - Aynı yapıyı koruyorum */
.trust-seals {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: 30px 0;
    border-top: 1px solid #eee;
    margin-top: 50px;
    gap: 20px;
}
.trust-seals .seal-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 120px;
    max-width: 200px;
    color: #555;
}
.trust-seals .seal-item i {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.trust-seals .seal-item span {
    font-weight: 600;
    font-size: 0.95em;
}
/* ==========================================================================
   ÖZEL BANNER BUTONU STİLİ
   ========================================================================== */
.custom-banner-button {
    background-color: var(--color-primary); /* Kendi birincil rengin */
    color: var(--color-white);
    padding: 15px 40px;
    border-radius: 50px; /* Daha yuvarlak bir buton */
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 8px 25px rgba(var(--color-primary-rgb), 0.3); /* Renge özel gölge */
    transition: all 0.3s ease;
    border: none; /* Kenarlık olmasın */
    display: inline-flex; /* İçindeki ikon ve yazıyı hizalamak için */
    align-items: center;
    gap: 10px;
    text-decoration: none; /* Link olduğu için alt çizgi olmasın */
}

.custom-banner-button:hover {
    background-color: var(--color-primary-dark); /* Hover'da daha koyu */
    transform: translateY(-3px) scale(1.02); /* Hafif yukarı kalkma ve büyüme efekti */
    box-shadow: 0 12px 35px rgba(var(--color-primary-rgb), 0.4);
}

.custom-banner-button i {
    font-size: 1.2em; /* İkon boyutu */
}

/* Küçük ekranlar için düzenleme */
@media (max-width: 768px) {
    .custom-banner-button {
        padding: 12px 30px;
        font-size: 1rem;
        gap: 8px;
    }
}/* ==========================================================================
   KAYIT VE GİRİŞ SAYFASI STİLLERİ
   ========================================================================== */

.auth-page {
    background: linear-gradient(135deg, #f5f7fa, #e4ebf0);
    padding: var(--spacing-xxl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Form Kutusu */
.auth-form-container {
    max-width: 460px;
    width: 100%;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.auth-form-container:hover {
    transform: translateY(-4px);
}

/* Başlık */
.auth-form-container h2 {
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.auth-form-container p {
    color: var(--color-body);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    text-align: left;
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.4rem;
}

/* Input */
.form-group input {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background-color: #fafafa;
    transition: all 0.25s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(0, 119, 182, 0.15);
}

/* Buton */
.auth-form .btn-primary {
    width: 100%;
    padding: 0.95rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
    transition: background 0.3s ease, transform 0.2s ease;
}

.auth-form .btn-primary:hover {
    transform: translateY(-2px);
}

/* Link */
.auth-link {
    margin-top: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--color-body);
}

.auth-link a {
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.auth-link a:hover {
    color: var(--color-dark);
}

/* Responsive */
@media (max-width: 480px) {
    .auth-form-container {
        padding: var(--spacing-lg);
    }

    .auth-form-container h2 {
        font-size: 1.6rem;
    }
}
/* ========== WHY PROKEY (responsive & clean) ========== */
.why-prokey{
  padding: 4.5rem 0;
  background:#f9fafb;
}

.why-prokey .section-title-v4{
  text-align:center;
  margin-bottom: .75rem;
}

.why-prokey .why-intro{
  text-align:center;
  color:#555;
  font-size:1.05rem;
  margin-bottom:2.2rem;
}

/* Responsive grid: 1 → 2 → 4 sütun */
.why-prokey .why-grid{
  display:grid;
  gap:clamp(1rem, 2.5vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Card */
.why-prokey .why-item{
  background:#fff;
  border:1px solid #e7e7e7;
  border-radius:12px;
  padding:1.6rem 1.4rem;
  text-align:center;
  box-shadow:0 2px 8px rgba(0,0,0,.05);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  display:flex;
  flex-direction:column;
  align-items:center;
  min-height:210px;            /* eş yükseklik */
}

.why-prokey .why-item:hover{
  transform:translateY(-4px);
  box-shadow:0 10px 20px rgba(0,0,0,.10);
  border-color:#dcdcdc;
}

/* Icon circle */
.why-prokey .why-icon{
  width:64px;height:64px;
  border-radius:50%;
  display:grid;place-items:center;
  background:#eef0ff;
  color:var(--color-primary);
  margin-bottom:1rem;
}

.why-prokey .why-icon i{ font-size:1.5rem; }

.why-prokey .why-item h4{
  font-size:1.08rem;
  font-weight:700;
  color:#222;
  margin:.35rem 0 .35rem;
}

.why-prokey .why-item p{
  color:#666;
  font-size:.95rem;
  line-height:1.55;
}

/* Subtle reveal animation (honors reduced motion) */
.reveal{ opacity:0; transform:translateY(14px); }
@keyframes fadeUp{ to{ opacity:1; transform:none; } }
@media (prefers-reduced-motion: no-preference){
  .reveal{ animation:fadeUp .5s ease forwards; }
  .why-prokey .why-item:nth-child(2){ animation-delay:.06s; }
  .why-prokey .why-item:nth-child(3){ animation-delay:.12s; }
  .why-prokey .why-item:nth-child(4){ animation-delay:.18s; }
}

/* Breakpoints: yazılar ve boşluklar mobilde daha sıkı */
@media (max-width: 768px){
  .why-prokey{ padding:3.2rem 0; }
  .why-prokey .why-item{ min-height:auto; padding:1.25rem 1rem; }
  .why-prokey .why-icon{ width:56px; height:56px; }
}
/* === TRUST SEALS – Responsive iyileştirme === */
.trust-seals{
  background:#fff;
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid #E0E0E0;
}

.trust-seals .container{
  display: grid;
  gap: clamp(1rem, 2vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); /* 1→2→3→4 akış */
  align-items: center;
}

.trust-seals .seal-item{
  text-align:center;
  padding: 1rem;
}

.trust-seals .seal-item i{
  display:inline-grid;
  place-items:center;
  width:56px; height:56px;            /* dairesel “badge” görünümü */
  border-radius:50%;
  background:#f3f4f6;
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-bottom:.75rem;
  transition: transform .25s ease, background-color .25s ease;
}
.trust-seals .seal-item:hover i{
  transform: translateY(-3px);
  background:#eef0ff;
}

.trust-seals .seal-item span{
  display:block;
  font-weight:600;
  font-size: .95rem;
  color: var(--color-dark);
}

/* breakpoints */
@media (max-width: 1024px){
  .trust-seals .container{ grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); }
}
@media (max-width: 768px){
  .trust-seals .container{ grid-template-columns: repeat(2, 1fr); }
  .trust-seals .seal-item i{ width:52px; height:52px; font-size:1.1rem; }
}
@media (max-width: 420px){
  .trust-seals .container{ grid-template-columns: 1fr 1fr; gap: 1rem; }
  .trust-seals .seal-item span{ font-size:.9rem; }
  
}
/* Contracts (Terms & Forms) — scoped */
.contracts-section{margin-top:24px}
.contracts-title{font-size:1.25rem;font-weight:700;margin:0 0 12px}
.contract-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:14px 16px;margin-bottom:14px}
.contract-head{font-weight:700;margin:2px 0 8px}
.contract-scroll{max-height:220px;overflow:auto;padding:12px;background:#f8fafc;border-radius:10px;line-height:1.55;color:#4b5563}
.contract-scroll ul{margin:8px 0 8px 18px}
.contract-scroll li{margin:4px 0}
.contracts-section .muted{color:#6b7280;font-size:.92rem}
.cart-summary-panel .terms-consent{display:flex;gap:8px;margin-top:10px;font-size:.95rem;color:#374151;align-items:center}
#checkout-btn[disabled]{pointer-events:none;background:#9ca3af;color:#f3f4f6;box-shadow:none;transform:none;opacity:.6;cursor:not-allowed}
/* ============================
   PRODUCT DETAIL — UNIFY WITH HOMEPAGE
   HTML'e dokunmadan sadece CSS ile eşitler
   ============================ */

/* 1) Detaydaki "Add to Cart" butonu = ana sayfadaki .add-to-cart-button */
.product-page-main-content .add-to-cart-cta {
  /* ana .add-to-cart-button ile birebir */
  width: 100%;
  padding: 0.8rem;
  background-color: var(--color-primary-dark, #303F9F);
  color: var(--color-white, #fff);
  border-radius: var(--radius-sm, 6px);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
  transition: var(--transition-default, all .3s ease);
  box-shadow: 0 4px 15px rgba(48,63,159,.20);
}
.product-page-main-content .add-to-cart-cta:hover {
  background-color: var(--color-dark, #212121);
  transform: translateY(-2px);
  box-shadow: 0 7px 20px rgba(48,63,159,.30);
}
.product-page-main-content .add-to-cart-cta:disabled {
  background-color: var(--color-light-gray, #BDBDBD);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* 2) Quantity picker’ı ana tema çizgisine al */
.product-page-main-content .quantity-picker {
  display:flex;
  border:1px solid var(--color-lighter-gray, #E0E0E0);
  border-radius: var(--radius-sm, 6px);
  overflow:hidden;
  height:44px;
  background:#fff;
}
.product-page-main-content .qty-btn {
  background:#fff;
  padding:0 14px;
  font-size:1.05rem;
  border:none;
  cursor:pointer;
  transition: background .2s;
}
.product-page-main-content .qty-btn:hover { background:#f3f4f6; }
.product-page-main-content .qty-input {
  width:64px;
  text-align:center;
  border:none;
  outline:none;
  font-size:1rem;
}

/* 3) Related kartlarını .product-card-v4 çizgisine hizala */
.product-page-main-content .related-products-section {
  background:#fff;
  border-radius: var(--radius-md, 10px);
  box-shadow: var(--shadow-light, 0 2px 8px rgba(0,0,0,.06));
}
.product-page-main-content .related-product-grid {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-md, 1.5rem);
}
.product-page-main-content .product-card {
  background-color: var(--color-white, #fff);
  border-radius: var(--radius-sm, 6px);
  border: 1px solid #E0E0E0;
  transition: var(--transition-default, all .3s ease);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-align: center;
}
.product-page-main-content .product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md, 0 5px 15px rgba(0,0,0,.1));
  border-color: var(--color-primary, #3F51B5);
}
.product-page-main-content .card-image-link { padding: 0; }
.product-page-main-content .product-card img {
  width: 100%;
  height: 250px;              /* ana kart yüksekliği */
  object-fit: cover;          /* ana sayfadaki gibi doldur-kırp */
  background: var(--color-lighter-gray, #F5F5F5);
}
.product-page-main-content .card-content {
  padding: var(--spacing-md, 1.5rem);
  display: flex;
  flex-direction: column;
  gap: .6rem;
  align-items: center;
}
.product-page-main-content .card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-dark, #212121);
  line-height: 1.4;
  height: 2.94rem; /* 2 satıra kitle */
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.product-page-main-content .card-title:hover { color: var(--color-primary, #3F51B5); }
.product-page-main-content .card-price {
  margin-top: .4rem;
  margin-bottom: .7rem;
  font-weight: 700;
  color: var(--color-dark, #212121);
  font-size: 1.2rem;
}
.product-page-main-content .add-to-cart-card-btn {
  width: 100%;
  padding: 0.8rem;
  background-color: var(--color-primary-dark, #303F9F);
  color: var(--color-white, #fff);
  border-radius: var(--radius-sm, 6px);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  transition: var(--transition-default, all .3s ease);
  box-shadow: 0 4px 15px rgba(48,63,159,.20);
}
.product-page-main-content .add-to-cart-card-btn:hover {
  background-color: var(--color-dark, #212121);
  transform: translateY(-2px);
  box-shadow: 0 7px 20px rgba(48,63,159,.30);
}

/* 4) Başlık/ekran ölçek ve breadcrumb ufak ayarı */
.product-page-main-content .product-main-title {
  font-size: clamp(1.8rem, 2.2vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 10px;
}
.product-page-main-content .breadcrumb-nav {
  margin-bottom: 20px;
  font-size: .92rem;
  color: var(--color-body, #424242);
}
.product-page-main-content .breadcrumb-nav a { color: var(--color-body, #424242); }
.product-page-main-content .breadcrumb-nav a:hover { color: var(--color-primary, #3F51B5); }

/* 5) Mobil uyum: buton genişliği ve grid */
@media (max-width: 768px){
  .product-page-main-content .product-buy-actions{ flex-direction:column; align-items:stretch; gap:12px; }
  .product-page-main-content .add-to-cart-cta{ width:100%; justify-content:center; }
  .product-page-main-content .quantity-picker{ width:100%; }
}
.product-page-main-content .related-product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  justify-content: center;
}

@media (max-width: 1024px) {
  .product-page-main-content .related-product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .product-page-main-content .related-product-grid {
    grid-template-columns: 1fr;
  }
}
.mobile-menu-toggle{ z-index:3000 !important; position:relative !important; pointer-events:auto !important; }
.main-header-v4{ z-index:2990 !important; position:sticky !important; top:0; }