/* ========================================
   BZT AUTO - KURUMSAL WEB SİTESİ
   Ana Stil Dosyası
   ======================================== */

/* --- RESET & BASE --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --green: #2aaa5e;
    --green-dark: #238f4f;
    --blue-dark: #003053;
    --green-light: #e8f7ef;
    --black: #1a1a1a;
    --gray-900: #2d2d2d;
    --gray-700: #555;
    --gray-600: #666;
    --gray-500: #888;
    --gray-400: #aaa;
    --gray-300: #ccc;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    --gray-50: #fafafa;
    --white: #ffffff;
    --bg: #f8f8f8;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s ease;
    --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font2: 'Zalando Sans Expanded', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1700px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font);
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}

input, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--black);
    font-weight: 700;
    line-height: 1.2;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- HEADER --- */
.header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;

}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-left a {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    padding-bottom: 4px;
    transition: color var(--transition);
}

.nav-left a:hover {
    color: var(--black);
}

.nav-left a.active {
    color: var(--black);
    font-weight: 600;
}

.nav-left a.active::after {
    content: '';
    position: absolute;
    bottom: -14px;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--green);
    border-radius: 2px;
}

.nav-left .dropdown {
    position: relative;
}

.nav-left .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    padding-bottom: 4px;
}

.nav-left .dropdown-toggle:hover {
    color: var(--black);
}

.nav-left .dropdown-toggle svg {
    width: 12px;
    height: 12px;
    transition: transform var(--transition);
}

.nav-left .dropdown-menu {
    position: absolute;
    top: calc(100% + 20px);
    left: 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition);
    border: 1px solid var(--gray-200);
}

.nav-left .dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-left .dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 12px;
    color: var(--gray-700);
}

.nav-left .dropdown-menu a:hover {
    background: var(--gray-50);
    color: var(--green);
}

.header-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.header-logo img,
.header-logo svg {
    height: 36px;
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    color: var(--black);
    letter-spacing: -1px;
}

.logo-text span {
    color: var(--green);
}

.logo-sub {
    font-size: 9px;
    color: var(--gray-500);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-left: 8px;
    font-style: italic;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--gray-100);
    border-radius: 20px;
    padding: 3px;
}

.lang-switch .lang-option {
    padding: 5px 13px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.6px;
    color: var(--gray-500);
    border-radius: 16px;
    transition: all 0.25s ease;
    line-height: 1;
}

.lang-switch .lang-option:hover {
    color: var(--gray-700);
}

.lang-switch .lang-option.active {
    background: var(--white);
    color: var(--black);
    box-shadow: 0 1px 5px rgba(0,0,0,0.12);
}

.nav-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background var(--transition);
    color: var(--gray-700);
}

.nav-icon:hover {
    background: var(--gray-100);
}

.nav-icon svg {
    width: 20px;
    height: 20px;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 20px;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition);
}

/* --- MOBILE MENU --- */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -340px;
    width: 320px;
    height: 100vh;
    background: var(--white);
    z-index: 2001;
    padding: 0;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid var(--gray-100);
    flex-shrink: 0;
}

.mobile-menu-logo img {
    height: 28px;
}

.mobile-menu-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: var(--gray-600);
    transition: background var(--transition), color var(--transition);
}

.mobile-menu-close:hover {
    background: var(--gray-100);
    color: var(--black);
}

.mobile-menu nav {
    flex: 1;
    padding: 12px 0;
}

.mobile-menu nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-700);
    border-left: 3px solid transparent;
    transition: all 0.22s ease;
}

.mobile-menu nav a svg {
    width: 16px;
    height: 16px;
    color: var(--gray-300);
    flex-shrink: 0;
    transition: transform 0.22s ease, color 0.22s ease;
}

.mobile-menu nav a:hover {
    color: var(--black);
    background: var(--gray-50);
    border-left-color: var(--gray-300);
    padding-left: 24px;
}

.mobile-menu nav a:hover svg {
    color: var(--gray-500);
    transform: translateX(3px);
}

.mobile-menu nav a.active {
    color: var(--green);
    font-weight: 600;
    border-left-color: var(--green);
    background: rgba(42, 170, 94, 0.04);
}

.mobile-menu nav a.active svg {
    color: var(--green);
}

.mobile-menu-footer {
    padding: 20px;
    border-top: 1px solid var(--gray-100);
    flex-shrink: 0;
}

.mobile-menu-lang {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-300);
    letter-spacing: 0.5px;
}

.mobile-menu-lang a {
    color: var(--gray-400);
    transition: color var(--transition);
}

.mobile-menu-lang a.active {
    color: var(--black);
}

.mobile-menu-lang a:hover {
    color: var(--green);
}

/* --- BREADCRUMB --- */
.breadcrumb {
    padding: 20px 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-500);
}

.breadcrumb-list a {
    color: var(--gray-700);
    font-weight: 500;
}

.breadcrumb-list a:hover {
    color: var(--green);
}

.breadcrumb-list .separator {
    color: var(--gray-400);
}

/* --- SEARCH BAR --- */
.search-section {
    margin-bottom: 32px;
}

.search-section-inner {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.search-section-inner .search-description {
    flex: 1;
    min-width: 380px;
    margin-bottom: 0;
    font-size:12px;
}

.search-section-inner .search-bar {
    flex: 1;
    min-width: 220px;
    max-width: none;
}

.breadcrumb-search-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 0 4px;
}

.breadcrumb-search-row .breadcrumb {
    padding: 0;
    flex-shrink: 0;
}

.breadcrumb-search-row .search-bar {
    flex: 1;
    max-width: 560px;
}

.search-description {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
    max-width: 860px;
    margin-bottom: 24px;
    align-self:center;
}

.search-bar {
    display: flex;
    align-items: center;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    overflow: hidden;
    max-width: 560px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.search-bar:focus-within {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(42, 170, 94, 0.1);
}

.search-bar input {
    flex: 1;
    padding: 14px 24px;
    font-size: 14px;
    color: var(--gray-700);
    background: transparent;
}

.search-bar input::placeholder {
    color: var(--gray-400);
}

.search-bar button {
    width: 48px;
    height: 48px;
    background: var(--green);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 4px;
    transition: background var(--transition), transform var(--transition);
    flex-shrink: 0;
    color:#fff;
}

.search-bar button:hover {
    background: var(--green-dark);
    transform: scale(1.05);
}

.search-bar button svg {
    width: 18px;
    height: 18px;
    color: var(--white);
}

/* --- HERO SECTION --- */
.hero {
    position: relative;
    height: calc(100vh - 92px);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin: 10px 14px;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg,rgba(0, 48, 83, 1) 5%, rgba(69, 163, 92, 0.5) 30%, rgba(69, 163, 92, 0) 50%);
}

.hero-content {
    position: absolute;
    top: 50%;
    transform:translateY(-50%);
    left: 110px;
    z-index: 2;
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 300;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 15px;
    margin-bottom: 16px;
}

.hero-content h1 {
    font-size: 42px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 16px;
    font-family: var(--font2);
}

.hero-content p {
    font-size: 13px;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
    margin-bottom: 24px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--green);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 170, 94, 0.3);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--black);
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    border: 1.5px solid var(--gray-300);
    transition: all var(--transition);
    cursor: pointer;
}

.btn-outline:hover {
    border-color: var(--green);
    color: var(--green);
    transform: translateY(-1px);
}

.hero-nav-group {
    position: absolute;
    top: 110px;
    left: 110px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.hero-nav {
    position: static;
    transform: none;
    width: 44px;
    height: 44px;
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
}

.hero-nav:hover {
    background: rgba(255,255,255,0.4);
    border-radius:10px;
}

.hero-nav i {
    font-size:40px;
    color: var(--white);
}

.hero-features {
    position: absolute;
    bottom: 0;
    right: 0;
    display: flex;
    z-index: 2;
}

.hero-feature-card {
    background:rgba(255,255,255,0.03);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    width: 225px;
    transition: background var(--transition);
    margin: -0.5px;
}

.hero-feature-card:nth-of-type(1) {
    border-top-left-radius:20px;
}

.hero-feature-card:hover {
   background:rgba(255,255,255,0.05);
}

.hero-feature-card i {
    color:#fff;
    font-size:40px;
    flex-shrink: 0;
}

.hero-feature-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.hero-feature-card span {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
}

.hero-feature-card p {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    line-height: 1.4;
    margin: 0;
}

/* --- SMART SEARCH (Homepage) --- */
.smart-search {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 48px;
    margin: 0px 80px 40px 80px;
    position: relative;
    z-index: 10;
    box-shadow: var(--shadow-lg);
}

.smart-search-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 10px;
}

.smart-search-header .logo {
    width:100px;
    display:none;
}
.smart-search-left {
    min-width:800px;
}
.smart-search-left h2 {
    font-size: 42px;
    font-weight: 100;
    margin-bottom: 4px;
    font-family: var(--font2);
    letter-spacing:-1px
}

.smart-search-left p {
    font-size: 13px;
    color: var(--gray-500);
}

.smart-search-right {
    flex: 1;
}

.smart-search-left .header-logo {
    position: static;
    transform: none;
    display: inline-block;
}

.smart-search-left .logo-text {
    font-size: 22px;
}

.smart-search .search-bar {
    max-width: 100%;
    flex: 1;
}

.smart-search-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;

}

.smart-search-tag {
    padding: 8px 18px;
    background: var(--green);
    color: var(--white);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition);
}

.smart-search-tag:hover {
    background: var(--green-dark);
}

.smart-search-note {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 16px;
    line-height: 1.6;
}

/* --- CORPORATE SECTION --- */
.corporate-section {
    padding: 34px 0;
}

.corporate-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.corporate-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 400px;
}

.corporate-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.corporate-text h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.corporate-text p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 16px;
}

/* --- SECTION TITLES --- */
.section-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 32px;
    color: var(--black);
    font-family: var(--font2);
}

/* --- PRODUCT CARDS --- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.products-grid .product-card {
    border: none;
    border-right: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    margin: 0;
}

.products-grid .product-card:nth-child(4n) {
    border-right: none;
}

.products-grid .product-card:nth-last-child(-n+4) {
    border-bottom: none;
}

.product-card {
    background: var(--white);
    border-radius: 0;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    cursor: pointer;
    margin: -0.5px;
    position: relative;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(42, 170, 94, 0.13);
    border-color: rgba(42, 170, 94, 0.4);
    z-index: 1;
}

.product-card-image {
    width: 100%;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow: hidden;
}

.product-card-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.product-card:hover .product-card-image img {
    transform: scale(1.07);
}

.product-card-body {
    padding: 16px;
}

.product-card-model {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 2px;
}

.product-card-brand {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 4px;
}

.product-card-oem {
    font-size: 11px;
    color: var(--gray-400);
    margin-bottom: 8px;
    word-break: break-all;
}

.product-card-code {
    font-size: 15px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 4px;
    font-family: var(--font2);
}

.product-card-title {
    font-size: 12px;
    color: var(--gray-600);
    text-transform: uppercase;
}

/* --- NEWS CARDS --- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    cursor: pointer;
    border: 1px solid var(--gray-200);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-card-image {
    width: 100%;
    height: 150px;
    overflow: hidden;
    border-radius:  var(--radius-lg);
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-card-image img {
    transform: scale(1.08);
}

.news-card-body {
    padding: 20px;
}

.news-card-body h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--black);
    line-height: 1.4;
}

.news-card-body p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- GALLERY --- */
.gallery-section {
    padding: 64px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 220px;
    position: relative;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0);
    transition: background var(--transition);
}

.gallery-item:hover::after {
    background: rgba(0,0,0,0.15);
}

/* --- SIDEBAR LAYOUT --- */
.sidebar-mobile-toggle {
    display: none;
}

.page-with-sidebar {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 48px;
    padding-bottom: 64px;
}

.sidebar h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 13px;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--transition);
}

.sidebar-nav a:hover {
    color: var(--green);
}

.sidebar-nav a.active {
    color: var(--black);
    font-weight: 700;
}

.sidebar-nav a.active svg {
    color: var(--green);
}

.main-content {
    min-width: 0;
}

.main-content-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 32px;
}

.main-content-header h1 {
    font-size: 32px;
    font-weight: 800;
}

/* --- PRODUCT GROUP CARDS --- */
.group-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;

}

.group-card {
    border: 1px solid var(--gray-200);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
    margin: -0.5px;
}

.group-card:hover {
    background: var(--gray-50);
    z-index: 1;
    box-shadow: var(--shadow-md);
}

.group-card-number {
    font-size: 48px;
    font-weight: 200;
    color: var(--black);
    margin-bottom: 8px;
}

.group-card-badge {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--gray-200);
    color: var(--gray-600);
    margin-bottom: 12px;
}

.group-card-title {
    font-size: 15px;
    font-weight: 300;
    color: var(--gray-700);
}

/* --- PRODUCT LIST --- */
.product-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.product-list-grid .product-card {
    border: none;
    border-right: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    margin: 0;
}

.product-list-grid .product-card:nth-child(3n) {
    border-right: none;
}

.product-list-grid .product-card:nth-last-child(-n+3) {
    border-bottom: none;
}

/* --- PRODUCT DETAIL --- */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 64px;
}

.product-gallery {
    position: relative;
}

.product-main-image {
    width: 100%;
    height: 400px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    margin-bottom: 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

.product-main-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-thumbnails {
    display: flex;
    gap: 8px;
}

.product-thumbnail {
    width: 80px;
    height: 80px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    appearance: none;
    cursor: pointer;
    transition: border-color var(--transition);
    padding: 8px;
    background: var(--white);
    position: relative;
    overflow: hidden;
}


.product-thumbnail.active::after,
.product-thumbnail:hover::after {
    content: '';
    position: absolute;
    top: -3px;
    left: 50%;
    width: 60%;
    height: 6px;
    background: var(--green);
    border-radius: 2px;
    transform: translateX(-50%);
}

.product-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-info {
    padding-top: 8px;
}

.product-info-body {
    /*border-left: 1px solid var(--gray-300);*/
    margin-bottom: 16px;
}

.product-info-header {
    margin-bottom: 24px;
    padding-left: 12px;
    /*border-bottom:1px solid var(--gray-200);*/
}

.product-info-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.product-bzt-code {
    font-size: 14px;
    color: var(--green);
    font-weight: 600;
}

.product-oem-section {
    margin-bottom: 16px;
    padding-left: 12px;
}

.product-oem-section h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    display:inline-block;
}


.product-specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}
.product-specs-table tr:nth-of-type(1) {
    border-top: 1px solid var(--gray-200);
}
.product-specs-table tr {
    border-bottom: 1px solid var(--gray-200);
}

.product-specs-table tr.other-oems {
    background: var(--gray-100);
}

.product-specs-table td {
    padding: 12px;
    font-size: 14px;
}

.product-specs-table td:nth-of-type(1) {
    border-right:1px solid var(--gray-200)
}

.product-specs-table td:first-child {
    font-weight: 600;
    color: var(--gray-500);
    width: 120px;
    vertical-align: top;
}

.product-specs-table td:last-child {
    color: var(--gray-700);
}

.product-cta-bar {
    display: flex;
    gap: 0;
    background: var(--blue-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: 0;
}

.product-cta-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 24px;
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    border: none;
    background: transparent;
}

.product-cta-btn:first-child {
    border-right: 1px solid rgba(255,255,255,0.2);
}

.product-cta-btn:hover {
    background: var(--green-dark);
}

.product-cta-btn svg {
    width: 20px;
    height: 20px;
}

.similar-products {
    padding: 48px 0;
}

/* --- NEWS DETAIL --- */
.news-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 32px 0 64px;
    align-items: start;
}

.news-detail-text h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
}

.news-detail-text p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.news-detail-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 360px;
}

.news-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- ABOUT PAGE --- */
.about-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.about-tab {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-100);
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.about-tab.active,
.about-tab:hover {
    background: var(--black);
    color: var(--white);
}

.about-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 64px;
}

.about-block.reverse {
    direction: rtl;
}

.about-block.reverse > * {
    direction: ltr;
}

.about-block h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 20px;
    font-family: var(--font2);
}

.about-block p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.about-block-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 350px;
}

.about-block-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-stack {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 48px;
    align-items: start;
    margin-bottom: 64px;
}

.about-stack-content {
    display: flex;
    flex-direction: column;
    gap: 56px;
}

.about-stack-section h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 20px;
    font-family: var(--font2);
}

.about-stack-section p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.about-stack-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 520px;
    position: sticky;
    top: 120px;
}

.about-stack-image .placeholder-img {
    display: block !important;
    width: 100%;
    height: 100%;
}

.about-stack-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 65%;
    display: block;
}

/* --- TIMELINE --- */
.timeline-section {
    padding: 64px 0;
}

.timeline-section > h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 48px;
    font-family: var(--font2);
}

.timeline-content-item {
    transition: all 0.4s ease;
}

.timeline-content-item h3 {
    font-size: 58px;
    font-weight: 800;
    font-family: var(--font2);
    color:var(--green)
}

.timeline-content-item p {
    margin-top:15px;
}

.timeline-content-item p.subtitle {
    margin-top:0px;
    font-size:24px; 
    font-weight:200;
}

.timeline {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 32px;
}

.timeline-years {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.timeline-year {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-400);
    padding: 8px 0;
    cursor: pointer;
    position: relative;
    transition: all var(--transition);
}

.timeline-year.active {
    color: var(--green);
    font-weight: 700;
}

.timeline-year.active::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--green);
    border-radius: 50%;
}

.timeline-content h3 {
    font-size: 48px;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 8px;
}

.timeline-content .subtitle {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.timeline-content p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-600);
}

/* --- CONTACT PAGE --- */
.contact-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 64px;
    padding: 32px 0 64px;
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-action-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition);
    cursor: pointer;
    background: var(--white);
}

.contact-action-btn:hover {
    border-color: var(--green);
    color: var(--green);
    transform: translateX(4px);
}

.contact-info {
    padding-top: 8px;
}

.contact-branch {
    margin-bottom: 48px;
}

.contact-branch-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.contact-branch-address {
    font-size: 28px;
    font-weight: 200;
    color: var(--black);
    line-height: 1.3;
    margin-bottom: 24px;
}

.contact-branch-details {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 24px;
}

.contact-detail-row {
    margin-bottom: 16px;
}

.contact-detail-row .label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.contact-detail-row .value {
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
}

.contact-divider {
    border: none;
    border-top: 1px solid var(--gray-200);
    margin: 32px 0;
}

.social-icons {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gray-900);
    color: var(--white);
    transition: all var(--transition);
}

.social-icon:hover {
    background: var(--green);
    transform: translateY(-2px);
}

.social-icon svg {
    width: 18px;
    height: 18px;
}

/* --- CONTACT FORM MODAL --- */
.contact-form-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 3000;
    align-items: center;
    justify-content: center;
}

.contact-form-modal.active {
    display: flex;
}

.contact-form-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
}

.contact-form-content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 48px;
    max-width: 560px;
    width: 90%;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}

.contact-form-content h2 {
    font-size: 24px;
    margin-bottom: 24px;
}

.contact-form-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.contact-form-content .btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--gray-700);
    transition: border-color var(--transition);
    background: var(--gray-50);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--green);
    background: var(--white);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

/* --- FOOTER --- */
.footer {
    background: var(--gray-100);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    margin-top: 64px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr 1.2fr;
    gap: 48px;
    padding: 56px 0;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-logo .logo{width:150px;}

.footer-logo .logo-text {
    font-size: 24px;
}

.footer-desc {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
}

.footer h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--black);
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--gray-600);
    padding: 4px 0;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--green);
}

.footer-hours {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-hour-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--gray-600);
}

.footer-contact-info {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
}

.footer-contact-info a {
    color: var(--gray-600);
}

.footer-contact-info a:hover {
    color: var(--green);
}

.footer-contact-info p + p {
    margin-top: 12px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gray-700);
    color: var(--white);
    transition: all var(--transition);
}

.footer-social a:hover {
    background: var(--green);
    transform: translateY(-2px);
}

.footer-social a svg {
    width: 16px;
    height: 16px;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid var(--gray-200);
    font-size: 12px;
    color: var(--gray-500);
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* --- SCROLL ANIMATIONS --- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* --- PAGE TITLE --- */
.page-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 8px;
    font-family:var(--font2);
}

.page-title--news {
    margin-bottom: 32px;
}

.page-title--contact {
    margin-bottom: 40px;
}

/* --- PLACEHOLDER IMAGES --- */
.placeholder-img {
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 13px;
}

.placeholder-img.dark {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    color: rgba(255,255,255,0.4);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .products-grid,
    .news-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .group-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-list-grid .product-card:nth-child(3n) {
        border-right: 1px solid var(--gray-200);
    }

    .product-list-grid .product-card:nth-child(2n) {
        border-right: none;
    }

    .product-list-grid .product-card:nth-last-child(-n+3) {
        border-bottom: 1px solid var(--gray-200);
    }

    .product-list-grid .product-card:nth-last-child(-n+2) {
        border-bottom: none;
    }

    .page-with-sidebar {
        grid-template-columns: 180px 1fr;
        gap: 32px;
    }

    .hero {
        height: calc(100vh - 72px);
        margin: 0 16px;
    }

    .hero-content {
        top: auto;
        transform: none;
        left: 32px;
        bottom: 32px;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-feature-card {
        padding: 20px 24px;
        min-width: 180px;
    }

    .smart-search {
        margin: -30px 16px 40px;
        padding: 32px;
    }

    .corporate-inner,
    .about-block,
    .about-stack,
    .news-detail,
    .product-detail {
        gap: 32px;
    }

    .footer-inner {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-layout {
        grid-template-columns: 240px 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    /* --- Header --- */
    .nav-left {
        display: none;
    }

    .header-logo {
        position: static;
        transform: none;
    }

    .header-logo .logo {
        width: 140px;
    }

    /* --- Hero --- */
    .hero {
        height: calc(100vh - 72px);
        margin: 0 12px;
        border-radius: var(--radius-lg);
    }

    .hero-content {
        top: auto;
        transform: none;
        left: 24px;
        right: 24px;
        bottom: 24px;
        max-width: 100%;
    }

    .hero-content h1 {
        font-size: 26px;
    }

    .hero-badge {
        letter-spacing: 8px;
        font-size: 10px;
    }

    .hero-nav-group {
        top: 20px;
        left: 20px;
    }

    .hero-features {
        display: none;
    }

    /* --- Smart Search --- */
    .smart-search {
        margin: -20px 12px 32px;
        padding: 24px;
    }

    .smart-search-header {
        flex-direction: column;
        gap: 16px;
    }

    .smart-search-left .header-logo {
        display: none;
    }

    .smart-search .search-bar {
        max-width: 100%;
    }

    /* --- Search Section --- */
    .search-section-inner {
        flex-direction: column;
        gap: 12px;
    }

    .search-section-inner .search-description {
        min-width: 0;
        width: 100%;
        margin-bottom: 0;
    }

    .search-section-inner .search-bar {
        max-width: 100%;
        min-width: 0;
        width: 100%;
    }

    .breadcrumb-search-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 12px 0 4px;
    }

    .breadcrumb-search-row .search-bar {
        max-width: 100%;
        width: 100%;
    }

    /* --- Layouts --- */
    .corporate-inner,
    .about-block,
    .about-block.reverse,
    .about-stack,
    .news-detail,
    .product-detail,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .about-block.reverse {
        direction: ltr;
    }

    .about-stack-content {
        gap: 40px;
    }

    .about-stack-image {
        height: 320px;
        position: static;
    }

    /* --- Ürün Detay --- */
    .product-info-body {
        border-left: none;
        border-top: 1px solid var(--gray-200);
        padding-top: 24px;
    }

    .product-info-header {
        padding-left: 0;
    }

    .product-oem-section {
        padding-left: 0;
    }

    /* --- Sidebar (yatay kaydırmalı filtre) --- */
    .page-with-sidebar {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .sidebar {
        display: block;
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-md);
        margin-bottom: 20px;
        overflow: hidden;
    }

    .sidebar h3 {
        display: none;
    }

    .sidebar-mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 14px 16px;
        font-size: 14px;
        font-weight: 600;
        color: var(--black);
        background: var(--white);
        cursor: pointer;
    }

    .sidebar-mobile-toggle i {
        transition: transform var(--transition);
        color: var(--gray-500);
    }

    .sidebar.open .sidebar-mobile-toggle i {
        transform: rotate(180deg);
    }

    .sidebar-nav {
        display: flex;
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
        border-top: 0 solid var(--gray-200);
    }

    .sidebar.open .sidebar-nav {
        max-height: 600px;
        border-top-width: 1px;
    }

    .sidebar-nav a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 11px 16px;
        font-size: 13px;
        border-bottom: 1px solid var(--gray-100);
        border-radius: 0;
        background: none;
        white-space: normal;
        font-weight: 500;
        color: var(--gray-600);
    }

    .sidebar-nav a:last-child {
        border-bottom: none;
    }

    .sidebar-nav a.active {
        color: var(--black);
        font-weight: 700;
        background: var(--gray-50);
        border-color: transparent;
    }

    .sidebar-nav a i {
        display: inline;
    }

    /* --- Grids --- */
    .products-grid,
    .news-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    /* product-card: mobilde border-radius + tam border */
    .products-grid,
    .product-list-grid {
        gap: 12px;
    }

    .products-grid .product-card,
    .product-list-grid .product-card {
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-md);
        margin: 0;
    }

    /* nth-child border override'larını sıfırla */
    .products-grid .product-card:nth-child(4n),
    .products-grid .product-card:nth-last-child(-n+4),
    .products-grid .product-card:nth-child(2n),
    .products-grid .product-card:nth-last-child(-n+2),
    .product-list-grid .product-card:nth-child(3n),
    .product-list-grid .product-card:nth-last-child(-n+3),
    .product-list-grid .product-card:nth-child(2n),
    .product-list-grid .product-card:nth-last-child(-n+2) {
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-md);
    }

    .group-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-list-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* --- İçerik başlığı --- */
    .main-content-header {
        flex-direction: column;
        gap: 16px;
    }

    /* --- Footer --- */
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* --- Section Title --- */
    .section-title {
        font-size: 24px;
    }

    /* --- İletişim --- */
    .contact-actions {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .contact-branch-address {
        font-size: 20px;
    }

    /* --- Timeline --- */
    .timeline {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .timeline-years {
        flex-direction: row;
        gap: 4px;
        overflow-x: auto;
        scrollbar-width: none;
        padding-bottom: 4px;
        border-bottom: 1px solid var(--gray-200);
    }

    .timeline-years::-webkit-scrollbar {
        display: none;
    }

    .timeline-year {
        flex-shrink: 0;
        padding: 6px 14px;
        border-radius: 20px;
        font-size: 13px;
    }

    .timeline-year.active {
        background: var(--black);
        color: var(--white);
    }

    .timeline-year.active::before {
        display: none;
    }

    .timeline-content-item h3 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    /* --- Hero --- */
    .hero {
        height: calc(100vh - 72px);
    }

    .hero-content {
        bottom: 20px;
    }

    .hero-content h1 {
        font-size: 22px;
    }

    /* --- Grids: 2-sütun → 1-sütun --- */
    .products-grid,
    .news-grid,
    .gallery-grid,
    .product-list-grid,
    .group-grid {
        grid-template-columns: 1fr;
    }

    /* 1-sütunda border-radius korunur, ek override gerekmez */

    /* --- Smart Search --- */
    .smart-search {
        margin: -16px 0 24px;
        padding: 20px 16px;
        border-radius: var(--radius-lg);
    }

    /* --- Kurumsal --- */
    .about-block h2 {
        font-size: 28px;
    }

    .about-stack-section h2 {
        font-size: 28px;
    }

    .about-block-image {
        height: 240px;
    }

    .about-stack-image {
        height: 240px;
    }

    /* --- Sayfa Başlığı --- */
    .page-title {
        font-size: 26px;
    }

    /* --- Timeline --- */
    .timeline-year {
        font-size: 12px;
        padding: 5px 12px;
    }

    /* --- İletişim Formu Modal --- */
    .contact-form-content {
        padding: 32px 20px;
        border-radius: var(--radius-lg);
    }

    /* --- İletişim Butonları --- */
    .contact-action-btn {
        width: 100%;
        justify-content: center;
    }

    /* --- Ürün Detay --- */
    .product-main-image {
        height: 260px;
    }

    .product-cta-bar {
        flex-direction: column;
    }

    .product-cta-btn:first-child {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.2);
    }

    /* --- Haber Detay --- */
    .news-detail-image {
        height: 240px;
    }

    /* --- Footer --- */
    .footer {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }
}

/* --- HEADER SEARCH OVERLAY --- */
.header-search-overlay {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
    opacity: 0;
    pointer-events: none;
}

.header-search-overlay.active {
    max-height: 100px;
    opacity: 1;
    pointer-events: auto;
}

.header-search-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px 24px;
}

.header-search-form {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    padding: 10px 16px 10px 20px;
    border: 2px solid transparent;
    transition: border-color 0.25s, background 0.25s;
}

.header-search-form:focus-within {
    border-color: var(--green);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(42, 170, 94, 0.08);
}

.header-search-form > svg {
    width: 18px;
    height: 18px;
    color: var(--gray-400);
    flex-shrink: 0;
    transition: color 0.25s;
}

.header-search-form:focus-within > svg {
    color: var(--green);
}

.header-search-form input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 15px;
    font-family: var(--font);
    color: var(--black);
}

.header-search-form input::placeholder {
    color: var(--gray-400);
}

.header-search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--green);
    border-radius: 50%;
    color: var(--white);
    flex-shrink: 0;
    transition: background 0.2s, transform 0.2s;
}

.header-search-submit:hover {
    background: var(--green-dark);
    transform: scale(1.05);
}

.header-search-submit svg {
    width: 16px;
    height: 16px;
}

/* Search toggle button icon swap */
.search-toggle-btn .search-icon-close {
    display: none;
}

.search-toggle-btn.active .search-icon-open {
    display: none;
}

.search-toggle-btn.active .search-icon-close {
    display: block;
}

/* --- GROUP FILTER --- */
.group-filter {
    margin-bottom: 28px;
}

.group-filter-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    padding: 10px 16px 10px 20px;
    border: 2px solid transparent;
    transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
    max-width: 480px;
}

.group-filter-inner:focus-within {
    border-color: var(--green);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(42, 170, 94, 0.08);
}

.group-filter-inner > svg {
    width: 17px;
    height: 17px;
    color: var(--gray-400);
    flex-shrink: 0;
    transition: color 0.25s;
}

.group-filter-inner:focus-within > svg {
    color: var(--green);
}

.group-filter-inner input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    font-family: var(--font);
    color: var(--black);
}

.group-filter-inner input::placeholder {
    color: var(--gray-400);
}

.group-filter-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: var(--gray-400);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, color 0.2s, background 0.2s;
    flex-shrink: 0;
}

.group-filter-clear.visible {
    opacity: 1;
    pointer-events: auto;
}

.group-filter-clear:hover {
    color: var(--gray-700);
    background: var(--gray-200);
}

.group-filter-clear svg {
    width: 14px;
    height: 14px;
}

.group-filter-count {
    margin-top: 8px;
    font-size: 12px;
    color: var(--gray-500);
    padding-left: 4px;
    min-height: 18px;
    transition: opacity 0.2s;
}

.group-card.group-hidden {
    display: none !important;
}

/* --- UTILITY --- */
.text-green { color: var(--green); }
.text-gray { color: var(--gray-500); }
.fw-bold { font-weight: 700; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.pt-32 { padding-top: 32px; }
.pb-64 { padding-bottom: 64px; }