/* ==========================================================================
   VENTRA - Kurumsal Web Tasarımı Stil Dosyası (style.css)
   Renk Paleti:
   - Ana Vurgu (Vişne Çürüğü / Bordo): #B7093C
   - Koyu Bordo (Hover): #92062F
   - Üst Menü Arkaplan: #F8F8F8
   - Hero / Beyaz Zemin: #FFFFFF
   - İçerik Açık Gri Zemin: #EFEFEF
   - Footer Koyu Antrasit / Siyah: #202020
   ========================================================================== */

:root {
    --primary-color: #B7093C;
    --primary-hover: #92062F;
    --navbar-bg: #F8F8F8;
    --section-gray: #EFEFEF;
    --white: #FFFFFF;
    --footer-bg: #202020;
    --text-dark: #222222;
    --text-body: #3A3A3A;
    --text-muted: #555555;
    --text-light: #D0D0D0;
    --border-light: rgba(255, 255, 255, 0.28);
    --border-gray: #CCCCCC;
    --font-main: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.25s ease;
    --container-width: 1180px;
}

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

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

body {
    font-family: var(--font-main);
    color: var(--text-body);
    background-color: var(--section-gray);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   HEADER (Top Bar + Main Navigation)
   ========================================================================== */
.site-header {
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

/* Top Bar */
.top-bar {
    background-color: var(--primary-color);
    color: var(--white);
    height: 36px;
    font-size: 0.75rem;
    font-weight: 600;
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.top-bar-socials,
.top-bar-lang {
    display: flex;
    align-items: center;
    height: 100%;
}

.top-bar-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 22px;
    padding: 0 14px;
    color: var(--white);
    font-size: 0.85rem;
    border-right: 1px solid var(--border-light);
}

.top-bar-socials a:first-child {
    padding-left: 0;
}

.top-bar-socials a:last-child {
    border-right: none;
}

.top-bar-socials a:hover {
    opacity: 0.8;
}

.top-bar-lang {
    height: 100%;
}

.top-bar-lang a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 0 12px;
    color: var(--white);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-left: 1px solid var(--border-light);
}

.top-bar-lang a:last-child {
    border-right: 1px solid var(--border-light);
}

.top-bar-lang a.active,
.top-bar-lang a:hover {
    background-color: rgba(0, 0, 0, 0.12);
}

/* Main Navigation */
.main-navbar {
    background-color: var(--navbar-bg);
    height: 92px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-menu-left {
    justify-content: flex-end;
    flex: 1;
    padding-right: 42px;
}

.nav-menu-right {
    justify-content: flex-start;
    flex: 1;
    padding-left: 42px;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 8px 2px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.nav-link i {
    font-size: 0.65rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link:hover i,
.nav-link.active i {
    color: var(--primary-color);
}

/* Center Brand Logo */
.navbar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.navbar-brand img {
    height: 36px;
    width: auto;
}

/* Dropdown Menu */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 230px;
    background-color: var(--white);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-top: 3px solid var(--primary-color);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 9px 18px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background-color: var(--section-gray);
    color: var(--primary-color);
    padding-left: 22px;
}

/* Mobile Toggle Button */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 6px;
}

/* ==========================================================================
   HERO SECTION & SLIDER (Anasayfa)
   ========================================================================== */
.hero-section {
    background-color: var(--white);
    padding: 50px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    position: relative;
}

.hero-slides-track {
    display: grid;
    grid-template-areas: "slide";
    align-items: center;
}

.hero-slide {
    grid-area: slide;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
                visibility 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: 2;
}

.hero-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 36px;
}

/* 2. Slayt: Görsel Solda (7fr), Yazı Sağda (5fr) */
.hero-grid-reverse {
    grid-template-columns: 7fr 5fr;
}

.hero-content {
    padding-right: 15px;
}

.hero-grid-reverse .hero-content {
    padding-right: 0;
    padding-left: 20px;
}

/* Yumuşak Giriş Animasyonları (Yazı ve Görsel) */
.hero-slide .hero-title {
    font-size: 2.65rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.18;
    text-transform: uppercase;
    margin-bottom: 22px;
    letter-spacing: -0.3px;
    opacity: 0;
    transform: translateX(-32px);
    transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.12s,
                transform 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.12s;
}

.hero-slide .hero-desc {
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.55;
    max-width: 440px;
    opacity: 0;
    transform: translateX(-32px);
    transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.24s,
                transform 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.24s;
}

.hero-slide .hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateX(32px) scale(0.96);
    transition: opacity 0.95s cubic-bezier(0.22, 1, 0.36, 1) 0.08s,
                transform 0.95s cubic-bezier(0.22, 1, 0.36, 1) 0.08s;
}

/* 2. Slayt (Ters Düzen) Başlangıç Yönleri */
.hero-slide-reverse .hero-title,
.hero-slide-reverse .hero-desc {
    transform: translateX(32px);
}

.hero-slide-reverse .hero-visual {
    transform: translateX(-32px) scale(0.96);
}

/* Aktif Slayt Durumunda Yumuşak Yerleşim */
.hero-slide.active .hero-title,
.hero-slide.active .hero-desc,
.hero-slide.active .hero-visual {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.hero-visual img {
    width: 100%;
    max-width: 680px;
    height: auto;
    object-fit: contain;
}

/* Slider Ok Butonları */
.hero-slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid #E2E2E2;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.hero-slider:hover .hero-slider-arrow {
    opacity: 1;
}

.hero-slider-arrow:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.hero-slider-prev {
    left: -12px;
}

.hero-slider-next {
    right: -12px;
}

/* Slider Alt Nokta Göstergeleri (Dots) */
.hero-slider-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 22px;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50px;
    background-color: #D4D4D4;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-dot:hover {
    background-color: #B0B0B0;
}

.hero-dot.active {
    width: 28px;
    background-color: var(--primary-color);
}

/* ==========================================================================
   ÜRÜNLERİMİZ SECTION (Dairesel Ürün Kartları - Anasayfa & Ürünler)
   ========================================================================== */
.products-section {
    background-color: var(--section-gray);
    padding: 65px 0 150px;
}

.section-header-center {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 55px;
}

.section-header-left {
    text-align: left;
    margin: 0 auto 55px;
}

.section-header-left .section-title {
    margin-bottom: 8px;
}

.section-header-left .section-subtitle {
    max-width: 1040px;
}

.section-title {
    font-size: 2.05rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 12px;
    letter-spacing: 0.2px;
}

.section-subtitle {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--text-body);
    line-height: 1.65;
}

/* Circular Product Cards Layout:
   Top row: 3 items, Bottom row: 2 centered items */
.products-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 55px 40px;
}

.product-card {
    width: calc(33.333% - 27px);
    max-width: 340px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.product-card-thumb {
    width: 290px;
    height: 290px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    transition: transform 0.35s ease;
}

.product-card:hover .product-card-thumb {
    transform: translateY(-6px);
}

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

.product-card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 0.82rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 10px 24px;
    min-width: 225px;
    transition: var(--transition);
}

.product-card:hover .product-card-btn {
    background-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(183, 9, 60, 0.25);
}

.product-card-count {
    margin-top: 10px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-body);
    text-transform: uppercase;
}

/* ==========================================================================
   ORTAK ÜST BANNER (Ürünler, Hakkımızda, İletişim)
   ========================================================================== */
.page-banner {
    width: 100%;
    height: 245px;
    overflow: hidden;
    position: relative;
    background-color: #2c2c2c;
}

.page-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* ==========================================================================
   ÜRÜN DETAY SAYFASI (urun-detay.html)
   ========================================================================== */
.product-detail-intro {
    background-color: var(--section-gray);
    padding: 55px 0 65px;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 50px;
}

.product-detail-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-detail-visual img {
    width: 100%;
    max-width: 420px;
    height: auto;
    object-fit: contain;
}

.product-detail-info {
    padding-right: 20px;
}

.product-detail-title {
    font-size: 2.15rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 0.2px;
}

.product-detail-desc {
    font-size: 0.98rem;
    color: var(--text-body);
    line-height: 1.65;
}

/* Teknik Özellikler Bölümü */
.tech-specs-section {
    background-color: var(--white);
    border-top: 1px solid #CCCCCC;
    position: relative;
    padding: 0 0 65px;
}

.tech-specs-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 35px;
}

.tech-specs-indicator {
    width: 140px;
    height: 5px;
    background-color: var(--primary-color);
    margin-bottom: 14px;
}

.tech-specs-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #5A5A5A;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Teknik Tablolar (KAPASİTE TABLOSU & BOYUTLAR) */
.tech-table-container {
    max-width: 1020px;
    margin: 0 auto 38px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tech-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    color: #111111;
    background-color: var(--white);
    min-width: 760px;
}

.tech-table th,
.tech-table td {
    border: 1px solid #222222;
    padding: 5px 10px;
    text-align: center;
    vertical-align: middle;
    line-height: 1.35;
}

.tech-table thead .table-main-header th {
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 0.92rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 9px 12px;
    letter-spacing: 0.4px;
}

.tech-table thead .table-sub-header th {
    background-color: var(--white);
    font-weight: 700;
    font-size: 0.78rem;
    color: #111111;
}

.tech-table tbody td:first-child {
    text-align: left;
    font-weight: 700;
    padding-left: 8px;
    width: 21%;
}

.tech-table tbody td:nth-child(2) {
    width: 11%;
    font-weight: 500;
}

.tech-table tbody tr:hover td {
    background-color: #FAFAFA;
}

/* Teknik Çizim ve Hava Yönü Şemaları */
.schematics-grid {
    max-width: 1020px;
    margin: 45px auto 15px;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 45px;
}

.schematic-box {
    display: flex;
    justify-content: center;
    align-items: center;
}

.schematic-box img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* Referanslar Galerisi (Ürün Detay Alt Kısım) */
.references-section {
    background-color: var(--white);
    padding: 15px 0 90px;
}

.references-header {
    display: flex;
    align-items: center;
    gap: 22px;
    margin-bottom: 32px;
}

.references-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #5A5A5A;
    text-transform: uppercase;
    white-space: nowrap;
    letter-spacing: 0.4px;
}

.references-line {
    flex: 1;
    height: 1px;
    background-color: #CCCCCC;
}

.references-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.reference-item {
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background-color: #EAEAEA;
    aspect-ratio: 4 / 3;
}

.reference-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.reference-item:hover img {
    transform: scale(1.05);
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 24px;
}

.lightbox-modal.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 900px;
    width: 100%;
}

.lightbox-content img {
    width: 100%;
    max-height: 82vh;
    object-fit: contain;
    border: 3px solid var(--white);
}

.lightbox-close {
    position: absolute;
    top: -42px;
    right: 0;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.8rem;
    cursor: pointer;
}

/* ==========================================================================
   REFERANSLAR SAYFASI (referanslar.html)
   ========================================================================== */
.references-page-section {
    background-color: var(--section-gray);
    padding: 65px 0 220px;
}

.references-main-title {
    font-size: 2.05rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.references-intro-text {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.68;
    max-width: 1040px;
    margin-bottom: 48px;
}

.references-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px 60px;
    max-width: 920px;
}

.references-list-col li {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.45;
    margin-bottom: 10px;
}

.references-list-col li:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   HAKKIMIZDA SAYFASI (hakkimizda.html)
   ========================================================================== */
.about-section {
    background-color: var(--section-gray);
    padding: 65px 0 180px;
}

.about-main-title {
    font-size: 2.05rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 36px;
}

.about-block {
    margin-bottom: 45px;
    max-width: 1040px;
}

.about-block:last-child {
    margin-bottom: 0;
}

.about-subtitle {
    font-size: 1.45rem;
    font-weight: 500;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.about-text {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.68;
}

/* ==========================================================================
   İLETİŞİM SAYFASI (iletisim.html)
   ========================================================================== */
.contact-section {
    background-color: var(--section-gray);
    padding: 65px 0 140px;
}

.contact-top-intro {
    margin-bottom: 50px;
}

.contact-small-title {
    font-size: 2.0rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.contact-display-title {
    font-size: 3.1rem;
    font-weight: 400;
    color: var(--primary-color);
    text-transform: uppercase;
    line-height: 1.15;
    margin-bottom: 42px;
    letter-spacing: -0.5px;
}

.contact-address-block {
    margin-bottom: 45px;
}

.contact-address-heading {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.contact-address-line {
    font-size: 0.96rem;
    color: var(--text-body);
    margin-bottom: 5px;
}

.contact-phone-line {
    font-size: 0.96rem;
    color: var(--text-dark);
}

.contact-phone-line strong {
    font-weight: 700;
}

/* İletişim Formu & Harita Grid Yapısı */
.contact-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
    margin-top: 20px;
}

.contact-form-card {
    background-color: var(--white);
    padding: 36px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
    border-top: 4px solid var(--primary-color);
}

.contact-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 22px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    font-family: var(--font-main);
    font-size: 0.88rem;
    color: var(--text-dark);
    background-color: var(--navbar-bg);
    border: 1px solid #DCDCDC;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    background-color: var(--white);
}

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

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--primary-color);
    color: var(--white);
    font-family: var(--font-main);
    font-size: 0.84rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 32px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background-color: var(--primary-hover);
}

.form-status-msg {
    display: none;
    margin-top: 14px;
    padding: 10px 14px;
    font-size: 0.84rem;
    font-weight: 600;
    background-color: #E8F5E9;
    color: #2E7D32;
    border-left: 4px solid #2E7D32;
}

.contact-map-card {
    background-color: var(--white);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
    border-top: 4px solid var(--primary-color);
    overflow: hidden;
    min-height: 380px;
    display: flex;
}

.contact-map-card iframe {
    width: 100%;
    height: 100%;
    min-height: 380px;
    border: 0;
}

/* ==========================================================================
   FOOTER (Tüm Sayfalarda Ortak)
   ========================================================================== */
.site-footer {
    background-color: var(--footer-bg);
    color: var(--text-light);
    padding: 55px 0 50px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr 1fr 0.85fr;
    align-items: stretch;
}

.footer-col {
    padding: 4px 32px;
}

.footer-col:first-child {
    padding-left: 0;
}

.footer-col:last-child {
    padding-right: 0;
}

.footer-col-divider {
    border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.footer-logo {
    margin-bottom: 18px;
    display: inline-block;
}

.footer-logo img {
    height: 36px;
    width: auto;
}

.footer-address {
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--text-light);
    margin-bottom: 16px;
}

.footer-contact-info {
    font-size: 0.78rem;
    line-height: 1.6;
    color: var(--text-light);
}

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

.footer-heading {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    margin-bottom: 12px;
    letter-spacing: 0.4px;
}

.footer-links li {
    margin-bottom: 7px;
}

.footer-links li:last-child {
    margin-bottom: 0;
}

.footer-links a {
    font-size: 0.78rem;
    color: var(--text-light);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 3px;
}

.footer-nav-bold li {
    margin-bottom: 8px;
}

.footer-nav-bold a {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.footer-nav-bold a:hover {
    color: var(--primary-color);
}

.footer-social-col {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-end;
}

.footer-socials {
    display: flex;
    align-items: center;
}

.footer-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.95rem;
    padding: 0 14px;
    height: 22px;
    border-right: 1px solid rgba(255, 255, 255, 0.28);
}

.footer-socials a:last-child {
    padding-right: 0;
    border-right: none;
}

.footer-socials a:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   RESPONSIVE KURALLAR (Tablet & Mobil)
   ========================================================================== */
@media (max-width: 991px) {
    .main-navbar {
        height: 76px;
    }

    .navbar-inner {
        justify-content: space-between;
    }

    .mobile-menu-toggle {
        display: block;
        order: 2;
    }

    .navbar-brand {
        order: 1;
    }

    .navbar-brand img {
        height: 30px;
    }

    /* Mobile Collapsible Menu Wrapper */
    .nav-menu-left,
    .nav-menu-right {
        display: none;
    }

    .main-navbar.mobile-open .navbar-inner {
        flex-wrap: wrap;
    }

    .mobile-nav-drawer {
        display: none;
        background-color: var(--white);
        border-bottom: 2px solid var(--primary-color);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        padding: 16px 24px;
    }

    .mobile-nav-drawer.active {
        display: block;
    }

    .mobile-nav-list li {
        border-bottom: 1px solid #EEEEEE;
    }

    .mobile-nav-list li:last-child {
        border-bottom: none;
    }

    .mobile-nav-list a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 0;
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--text-dark);
        text-transform: uppercase;
    }

    .mobile-nav-list a:hover,
    .mobile-nav-list a.active {
        color: var(--primary-color);
    }

    .mobile-submenu {
        display: none;
        padding-left: 16px;
        padding-bottom: 8px;
        background-color: var(--navbar-bg);
    }

    .mobile-submenu.open {
        display: block;
    }

    .mobile-submenu li {
        border-bottom: none;
    }

    .mobile-submenu a {
        padding: 8px 10px;
        font-size: 0.8rem;
        font-weight: 600;
        text-transform: none;
    }

    /* Hero Tablet */
    .hero-grid,
    .product-detail-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 36px;
    }

    .hero-content,
    .hero-grid-reverse .hero-content,
    .product-detail-info {
        padding-right: 0;
        padding-left: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-slider-arrow {
        display: none;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    /* Products Grid Tablet */
    .product-card {
        width: calc(50% - 20px);
    }

    /* Schematics & Gallery Tablet */
    .schematics-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

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

    /* Contact Tablet */
    .contact-content-grid {
        grid-template-columns: 1fr;
    }

    /* References Page Tablet */
    .references-list-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px 36px;
    }

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

    .footer-col {
        padding: 0;
    }

    .footer-col-divider {
        border-left: none;
    }

    .footer-social-col {
        align-items: flex-start;
        justify-content: flex-start;
    }

    .footer-socials a:first-child {
        padding-left: 0;
    }
}

@media (min-width: 992px) {
    .mobile-nav-drawer {
        display: none !important;
    }
}

@media (max-width: 640px) {
    .page-banner {
        height: 170px;
    }

    .hero-section {
        padding: 36px 0 45px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-desc {
        font-size: 0.95rem;
    }

    .products-section,
    .about-section,
    .contact-section,
    .references-page-section {
        padding: 45px 0 85px;
    }

    .references-list-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .section-title,
    .about-main-title,
    .references-main-title,
    .contact-small-title,
    .product-detail-title {
        font-size: 1.65rem;
    }

    .contact-display-title {
        font-size: 2.15rem;
    }

    .product-card {
        width: 100%;
        max-width: 300px;
    }

    .product-card-thumb {
        width: 250px;
        height: 250px;
    }

    .references-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-card {
        padding: 24px 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

/* ==========================================================================
   DİNAMİK İÇERİK & EK BİLEŞENLER
   ========================================================================== */
.page-rich-content {
    max-width: 1040px;
}

.page-rich-content h2,
.page-rich-content h3 {
    font-size: 1.45rem;
    font-weight: 500;
    color: var(--primary-color);
    text-transform: uppercase;
    margin: 32px 0 12px;
}

.page-rich-content h2:first-child,
.page-rich-content h3:first-child {
    margin-top: 0;
}

.page-rich-content p {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.68;
    margin-bottom: 18px;
}

.page-rich-content ul,
.page-rich-content ol {
    margin: 0 0 18px 20px;
    color: var(--text-body);
}

.product-detail-desc p {
    margin-bottom: 14px;
}

.product-detail-desc p:last-child {
    margin-bottom: 0;
}

.form-status-msg.is-error {
    background-color: #FFEBEE;
    color: #C62828;
    border-left-color: #C62828;
}

.ventra-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-body);
    margin-bottom: 24px;
}

.ventra-breadcrumb a {
    color: var(--primary-color);
    font-weight: 600;
}

.ventra-breadcrumb a:hover {
    text-decoration: underline;
}

/* Lightbox İleri/Geri Navigasyon & Sayaç */
.schematic-box[data-lightbox] {
    cursor: zoom-in;
    position: relative;
    overflow: hidden;
}

.schematic-box[data-lightbox] img {
    transition: transform 0.35s ease;
}

.schematic-box[data-lightbox]:hover img {
    transform: scale(1.03);
}

.reference-item[data-lightbox] {
    cursor: zoom-in;
}

.lightbox-content img {
    display: block;
    margin: 0 auto;
    background-color: var(--white);
}

.lightbox-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background-color: rgba(0, 0, 0, 0.55);
    color: var(--white);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2010;
    transition: var(--transition);
}

.lightbox-nav:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.lightbox-prev {
    left: 28px;
}

.lightbox-next {
    right: 28px;
}

.lightbox-caption {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-size: 0.85rem;
    margin-top: 10px;
    padding: 0 4px;
}

.lightbox-counter {
    font-weight: 600;
    opacity: 0.85;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    .lightbox-prev {
        left: 10px;
    }
    .lightbox-next {
        right: 10px;
    }
}