/* ============================================
   AVRUPA TEMPER — ANA STIL DOSYASI
   Tasarım: Ultra Premium, border-radius: 0
   Renkler: #2563EB (Mavi) + #FBBF24 (Amber)
   Font: Inter (body) + Outfit (başlıklar)
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@500;600;700;800&display=swap');

/* --- CSS Değişkenler --- */
:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #3B82F6;
    --accent: #FBBF24;
    --accent-dark: #D97706;
    --dark: #0F172A;
    --dark-secondary: #1E293B;
    --text: #1E293B;
    --text-light: #64748B;
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --border: #E2E8F0;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

/* --- RESET --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-overflow-scrolling: touch; font-size: 16px; }
body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; border: none; outline: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--dark); }

/* --- LAYOUT --- */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--dark); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 2.25rem; font-weight: 800; margin-bottom: 15px; }
.section-header p { color: var(--text-light); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.section-header .accent-line { width: 60px; height: 4px; background: var(--accent); margin: 15px auto 0; }

/* --- GRID --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* --- BUTONLAR --- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; font-weight: 600; font-size: 0.95rem;
    border-radius: 0; transition: var(--transition); letter-spacing: 0.3px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-accent { background: var(--accent); color: var(--dark); }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--bg-alt); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

/* --- TOPBAR --- */
.topbar {
    background: var(--dark); color: #fff; padding: 8px 0;
    font-size: 0.85rem; border-bottom: 2px solid var(--accent);
}
.topbar a { color: rgba(255,255,255,0.85); }
.topbar a:hover { color: var(--accent); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; }
.topbar-left { display: flex; align-items: center; gap: 20px; }
.topbar-left i { color: var(--accent); margin-right: 5px; }
.topbar-right { display: flex; align-items: center; gap: 15px; }
.topbar-social { display: flex; gap: 10px; }
.topbar-social a { width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.1); transition: var(--transition); }
.topbar-social a:hover { background: var(--accent); color: var(--dark); }
.lang-switcher { position: relative; }
.lang-switcher-btn { display: flex; align-items: center; gap: 5px; color: #fff; cursor: pointer; padding: 4px 10px; background: rgba(255,255,255,0.1); font-size: 0.8rem; }
.lang-dropdown { position: absolute; top: 100%; right: 0; background: var(--dark-secondary); min-width: 100px; display: none; z-index: 1000; }
.lang-dropdown.active { display: block; }
.lang-dropdown a { display: block; padding: 8px 15px; font-size: 0.8rem; color: #fff; }
.lang-dropdown a:hover { background: var(--primary); }

/* --- HEADER / NAVİGASYON --- */
.header-main {
    background: #fff; padding: 0; position: sticky; top: 0; z-index: 999;
    box-shadow: var(--shadow); transition: var(--transition);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.logo img { height: 65px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: 0; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
    display: flex; align-items: center; gap: 5px; padding: 28px 18px;
    font-weight: 600; font-size: 0.9rem; color: var(--text);
    text-transform: uppercase; letter-spacing: 0.5px; transition: var(--transition);
}
.nav-menu > li > a:hover, .nav-menu > li.active > a { color: var(--primary); }
.nav-menu > li:hover > a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 3px; background: var(--primary); }

/* Mega Menu */
.mega-menu {
    position: absolute; top: 100%; left: 0; min-width: 250px;
    background: #fff; box-shadow: var(--shadow-lg); border-top: 3px solid var(--primary);
    opacity: 0; visibility: hidden; transform: translateY(10px); transition: var(--transition); z-index: 100;
}
.nav-menu > li:hover > .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-menu a {
    display: block; padding: 12px 20px; font-size: 0.88rem; color: var(--text);
    border-bottom: 1px solid var(--border); transition: var(--transition);
}
.mega-menu a:hover { background: var(--bg-alt); color: var(--primary); padding-left: 25px; }
.mega-menu-wide {
    min-width: 700px; padding: 25px; display: grid;
    grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.mega-menu-wide .mega-col h4 {
    font-size: 0.85rem; text-transform: uppercase; color: var(--primary);
    margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid var(--accent);
}
.mega-menu-wide .mega-col a { padding: 8px 0; border-bottom: none; font-size: 0.85rem; }
.mega-menu-wide .mega-col a:hover { padding-left: 5px; }

/* CTA Buton (Header) */
.nav-cta .btn { padding: 12px 24px; font-size: 0.85rem; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 10px; z-index: 1001; }
.hamburger span { display: block; width: 26px; height: 3px; background: var(--dark); transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* Mobil Menü */
.mobile-menu {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background: #fff; z-index: 1000; overflow-y: auto; padding: 80px 20px 30px;
    transform: translateX(100%); transition: transform 0.4s ease;
}
.mobile-menu.active { transform: translateX(0); }
.mobile-menu a { display: block; padding: 15px 0; font-size: 1.1rem; font-weight: 600; color: var(--text); border-bottom: 1px solid var(--border); }
.mobile-menu a:hover { color: var(--primary); }
.mobile-submenu { padding-left: 20px; display: none; }
.mobile-submenu a { font-size: 0.95rem; font-weight: 500; }
.mobile-menu-toggle { display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.mobile-menu-toggle .arrow { transition: var(--transition); }
.mobile-menu-toggle.open .arrow { transform: rotate(180deg); }

/* --- HERO SLIDER --- */
.hero { position: relative; width: 100%; height: 85vh; min-height: 500px; overflow: hidden; }
.hero-slide {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0; transition: opacity 1s ease; z-index: 1;
}
.hero-slide.active { opacity: 1; z-index: 2; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(15,23,42,0.75) 0%, rgba(37,99,235,0.4) 100%);
    display: flex; align-items: center; z-index: 3;
}
.hero-content { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 20px; color: #fff; }
.hero-content .hero-tag {
    display: inline-block; background: var(--accent); color: var(--dark);
    padding: 6px 16px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 20px;
}
.hero-content h1 { font-size: 3.2rem; font-weight: 800; color: #fff; margin-bottom: 18px; line-height: 1.1; max-width: 650px; }
.hero-content p { font-size: 1.15rem; color: rgba(255,255,255,0.9); margin-bottom: 30px; line-height: 1.6; max-width: 650px; }
.hero-content .btn { margin-right: 12px; }
.hero-dots {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 10;
}
.hero-dots span {
    width: 12px; height: 12px; background: rgba(255,255,255,0.4);
    cursor: pointer; transition: var(--transition);
}
.hero-dots span.active { background: var(--accent); width: 35px; }
.hero-arrows {
    position: absolute; top: 50%; width: 100%; display: flex;
    justify-content: space-between; padding: 0 20px; z-index: 10; transform: translateY(-50%);
}
.hero-arrow {
    width: 50px; height: 50px; background: rgba(255,255,255,0.15);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; cursor: pointer; transition: var(--transition); backdrop-filter: blur(4px);
}
.hero-arrow:hover { background: var(--accent); color: var(--dark); }

/* --- RAKAMLAR BANDI --- */
.stats-band { background: var(--primary); padding: 40px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; color: #fff; }
.stat-item .stat-number { font-family: var(--font-heading); font-size: 2.8rem; font-weight: 800; color: var(--accent); }
.stat-item .stat-label { font-size: 0.9rem; margin-top: 5px; color: rgba(255,255,255,0.85); }
.stat-item .stat-suffix { font-size: 1.4rem; font-weight: 700; color: var(--accent); }

/* --- KARTLAR --- */
.card {
    background: #fff; box-shadow: var(--shadow); overflow: hidden;
    transition: var(--transition); border: 1px solid var(--border);
    position: relative;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-img { position: relative; overflow: hidden; height: 220px; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-img img { transform: scale(1.06); }
.card-img .card-badge {
    position: absolute; top: 15px; left: 15px; background: var(--accent); color: var(--dark);
    padding: 4px 12px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
    z-index: 11;
}
.card-body { padding: 22px; }
.card-body h3 { font-size: 1.15rem; margin-bottom: 10px; position: relative; z-index: 11; }
.card-body h3 a:hover, .card:hover h3 a { color: var(--primary); }
.card-body p { color: var(--text-light); font-size: 0.9rem; line-height: 1.6; margin-bottom: 15px; }
.card-body .card-meta { display: flex; align-items: center; gap: 15px; font-size: 0.8rem; color: var(--text-light); position: relative; z-index: 11; }
.card-body .card-meta i { color: var(--primary); margin-right: 4px; }
.card-body .card-link {
    display: inline-flex; align-items: center; gap: 6px; font-weight: 600;
    font-size: 0.88rem; color: var(--primary); margin-top: 12px;
}
.card-body .card-link::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 10;
}
.card:hover .card-link { gap: 10px; }
/* Kategori Kartı - Ultra Premium */
.card-category { border: none; border-radius: 0; }
.card-category:hover { transform: none; box-shadow: var(--shadow-lg); }
.card-category .card-img { height: 350px; }
.card-category .card-overlay {
    position: absolute; bottom: 0; left: 0; width: 100%; height: 100%;
    padding: 30px 25px; 
    background: linear-gradient(to top, rgba(15,23,42,0.9) 0%, rgba(15,23,42,0.1) 60%, transparent 100%);
    display: flex; flex-direction: column; justify-content: flex-end;
    transition: background 0.4s ease;
}
.card-category:hover .card-overlay {
    background: linear-gradient(to top, rgba(15,23,42,0.95) 0%, rgba(15,23,42,0.5) 60%, rgba(15,23,42,0.1) 100%);
}
.card-category .card-overlay h3 { 
    color: #fff; font-size: 1.4rem; font-weight: 800; margin-bottom: 0;
    transform: translateY(15px); transition: transform 0.4s ease, color 0.3s ease;
    position: relative; z-index: 2;
}
.card-category .card-overlay span { 
    font-size: 0.85rem; color: rgba(255,255,255,0.85); line-height: 1.4;
    position: absolute; bottom: 20px; left: 25px; right: 25px;
    opacity: 0; transform: translateY(15px); transition: all 0.4s ease;
    z-index: 1;
}
.card-category:hover .card-overlay h3 { transform: translateY(-30px); color: var(--accent); }
.card-category:hover .card-overlay span { opacity: 1; transform: translateY(0); }
.card-category .card-overlay::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 5px;
    background: var(--accent); transition: width 0.5s ease;
}
.card-category:hover .card-overlay::after { width: 100%; }

/* --- BREADCRUMB --- */
.breadcrumb-area { background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 15px 0; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-light); flex-wrap: wrap; }
.breadcrumb a { color: var(--primary); font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .separator { color: var(--border); }

/* --- PAGE HERO (İç Sayfalar) --- */
.page-hero {
    position: relative; height: 300px; background-size: cover;
    background-position: center; display: flex; align-items: center;
}
.page-hero::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(15,23,42,0.8), rgba(37,99,235,0.5));
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: 2.5rem; font-weight: 800; }
.page-hero p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-top: 10px; }

/* --- SIDEBAR --- */
.content-with-sidebar { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.sidebar { position: relative; }
.sidebar-sticky { position: -webkit-sticky; position: sticky; top: 100px; }
.sidebar-widget { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); margin-bottom: 25px; }
.sidebar-widget-title {
    background: var(--primary); color: #fff; padding: 15px 20px;
    font-family: var(--font-heading); font-size: 1rem; font-weight: 700;
}
.sidebar-widget ul li a {
    display: block; padding: 12px 20px; font-size: 0.88rem; color: var(--text);
    border-bottom: 1px solid var(--border); transition: var(--transition);
}
.sidebar-widget ul li a:hover, .sidebar-widget ul li a.active {
    background: var(--bg-alt); color: var(--primary); padding-left: 25px;
}
.sidebar-widget ul li a.active { border-left: 3px solid var(--primary); font-weight: 600; }

/* --- FOOTER --- */
.footer { background: var(--dark); color: rgba(255,255,255,0.8); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-col h4 {
    color: #fff; font-family: var(--font-heading); font-size: 1.05rem;
    margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--accent); display: inline-block;
}
.footer-about .footer-logo { height: 45px; margin-bottom: 15px; }
.footer-about p { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.7); }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,0.7); font-size: 0.88rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 0.88rem; }
.footer-contact li i { color: var(--accent); margin-top: 3px; flex-shrink: 0; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.1); color: #fff; transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--dark); }
.footer-bottom {
    margin-top: 40px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.1);
    display: flex; align-items: center; justify-content: space-between; font-size: 0.82rem;
}
.footer-bottom a { color: var(--accent); }
.footer-bottom a:hover { color: #fff; }

/* --- FORMLAR --- */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--text); }
.form-control {
    width: 100%; padding: 14px 16px; border: 1px solid var(--border);
    background: var(--bg-alt); font-size: 0.95rem; transition: var(--transition);
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
textarea.form-control { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* --- GALERİ / LIGHTBOX --- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.gallery-item { position: relative; overflow: hidden; cursor: pointer; height: 220px; }
.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: '\f065'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15,23,42,0.5); color: #fff; display: flex;
    align-items: center; justify-content: center; font-size: 1.5rem;
    opacity: 0; transition: var(--transition);
}
.gallery-item:hover::after { opacity: 1; }

/* === ULTRA-PREMIUM LIGHTBOX === */
.lightbox {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(8,10,18,0.97); z-index: 9999;
    flex-direction: column; align-items: center; justify-content: center;
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    user-select: none; -webkit-user-select: none;
}
.lightbox.active { display: flex; }

/* Top Bar — Counter + Close */
.lightbox-topbar {
    position: absolute; top: 0; left: 0; width: 100%; height: 56px;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px; z-index: 10001;
    background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, transparent 100%);
}
.lightbox-counter {
    font-family: var(--font-heading); font-size: 0.95rem; font-weight: 600;
    color: rgba(255,255,255,0.9); letter-spacing: 1px;
}
.lightbox-counter .lb-current { color: var(--accent); font-weight: 800; font-size: 1.1rem; }
.lightbox-counter .lb-separator { color: rgba(255,255,255,0.4); margin: 0 4px; }
.lightbox-close {
    width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.8); font-size: 1.4rem; cursor: pointer;
    background: rgba(255,255,255,0.08); transition: all 0.25s ease; z-index: 10002;
}
.lightbox-close:hover { background: rgba(239,68,68,0.7); color: #fff; transform: scale(1.08); }

/* Main Image Area */
.lightbox-main {
    flex: 1; display: flex; align-items: center; justify-content: center;
    width: 100%; position: relative; overflow: hidden;
    padding: 60px 80px 130px;
    cursor: grab;
}
.lightbox-main:active { cursor: grabbing; }
.lightbox-main img {
    max-width: 100%; max-height: 100%; object-fit: contain;
    transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
}
.lightbox-main img.lb-slide-left { transform: translateX(-60px); opacity: 0; }
.lightbox-main img.lb-slide-right { transform: translateX(60px); opacity: 0; }

/* Navigation Arrows */
.lightbox-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 52px; height: 52px; display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1.3rem; cursor: pointer;
    background: rgba(255,255,255,0.08); backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease; z-index: 10001;
}
.lightbox-nav:hover {
    background: rgba(251,191,36,0.85); color: var(--dark);
    border-color: var(--accent); transform: translateY(-50%) scale(1.06);
}
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

/* Thumbnail Strip */
.lightbox-thumbstrip {
    position: absolute; bottom: 0; left: 0; width: 100%; height: 90px;
    background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 100%);
    display: flex; align-items: center; justify-content: center;
    padding: 10px 60px; z-index: 10001; overflow: hidden;
}
.lightbox-thumbtrack {
    display: flex; gap: 6px; align-items: center;
    overflow-x: auto; scroll-behavior: smooth;
    max-width: 100%; padding: 4px 0;
    scrollbar-width: none; -ms-overflow-style: none;
}
.lightbox-thumbtrack::-webkit-scrollbar { display: none; }
.lightbox-thumb {
    width: 62px; height: 48px; min-width: 62px; overflow: hidden;
    cursor: pointer; opacity: 0.4; transition: all 0.3s ease;
    border: 2px solid transparent; flex-shrink: 0;
}
.lightbox-thumb img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.lightbox-thumb:hover { opacity: 0.8; }
.lightbox-thumb.lb-active {
    opacity: 1; border-color: var(--accent);
    box-shadow: 0 0 12px rgba(251,191,36,0.4);
}

/* --- CTA BANNER --- */
.cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 60px 0; text-align: center; color: #fff;
}
.cta-banner h2 { color: #fff; font-size: 2rem; margin-bottom: 15px; }
.cta-banner p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 25px; max-width: 550px; margin-left: auto; margin-right: auto; }

/* --- VİDEO BÖLÜMÜ --- */
.video-section { position: relative; }
.video-wrapper {
    position: relative; overflow: hidden; max-width: 900px; margin: 0 auto;
    box-shadow: var(--shadow-lg); border: 1px solid var(--border);
}
.video-wrapper .video-thumb { width: 100%; display: block; }
.video-play-btn {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 80px; height: 80px; background: var(--accent); color: var(--dark);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; cursor: pointer; transition: var(--transition);
    box-shadow: 0 0 0 12px rgba(251,191,36,0.25);
}
.video-play-btn:hover { transform: translate(-50%, -50%) scale(1.1); }

/* --- HAKKIMIZDA ÖZET --- */
.about-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-preview-text h2 { font-size: 2rem; margin-bottom: 15px; }
.about-preview-text .accent-line { width: 50px; height: 4px; background: var(--accent); margin-bottom: 20px; }
.about-preview-text p { color: var(--text-light); line-height: 1.8; margin-bottom: 20px; }
.about-preview-img { position: relative; }
.about-preview-img img { width: 100%; box-shadow: var(--shadow-lg); }
.about-preview-img .accent-block {
    position: absolute; bottom: -15px; right: -15px; width: 120px; height: 120px;
    background: var(--accent); z-index: -1;
}

/* --- NEDEN BİZ --- */
.why-us-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.why-us-item { text-align: center; padding: 30px 20px; transition: var(--transition); }
.why-us-item:hover { background: #fff; box-shadow: var(--shadow); }
.why-us-item .icon {
    width: 65px; height: 65px; margin: 0 auto 18px; background: var(--primary);
    color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
}
.why-us-item h4 { font-size: 1rem; margin-bottom: 8px; }
.why-us-item p { color: var(--text-light); font-size: 0.85rem; line-height: 1.6; }

/* --- SERTİFİKALAR SHOWCASE (Ana Sayfa) --- */
.cert-badges {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.cert-badge-item {
    display: flex; align-items: center; gap: 14px;
    padding: 18px 20px; background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition); position: relative; overflow: hidden;
}
.cert-badge-item::before {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 100%; height: 3px; background: var(--cb-color, var(--accent));
    transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.cert-badge-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-3px); }
.cert-badge-item:hover::before { transform: scaleX(1); }
.cert-badge-icon {
    width: 48px; height: 48px; min-width: 48px;
    display: flex; align-items: center; justify-content: center;
    background: var(--cb-color, var(--accent)); color: #fff; font-size: 1.2rem;
    transition: var(--transition);
}
.cert-badge-item:hover .cert-badge-icon { transform: scale(1.08); }
.cert-badge-info strong {
    display: block; font-family: var(--font-heading); font-size: 0.95rem;
    font-weight: 700; color: #fff; margin-bottom: 2px;
}
.cert-badge-info span { font-size: 0.78rem; color: rgba(255,255,255,0.55); }

/* --- ÜRÜN DETAY --- */
.product-gallery { margin-bottom: 30px; }
.product-main-img { width: 100%; height: 400px; overflow: hidden; border: 1px solid var(--border); margin-bottom: 10px; }
.product-main-img img { width: 100%; height: 100%; object-fit: cover; }
.product-thumbs { display: flex; gap: 8px; }
.product-thumbs .thumb {
    width: 80px; height: 60px; overflow: hidden; border: 2px solid var(--border);
    cursor: pointer; transition: var(--transition);
}
.product-thumbs .thumb.active, .product-thumbs .thumb:hover { border-color: var(--primary); }
.product-thumbs .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-info h1, .product-info h2 { font-size: 1.8rem; margin-bottom: 15px; }
.product-info .product-desc { color: var(--text-light); line-height: 1.8; margin-bottom: 25px; }
/* Teknik Tablo */
.tech-table { width: 100%; border-collapse: collapse; margin-bottom: 25px; }
.tech-table th, .tech-table td { padding: 12px 16px; text-align: left; border: 1px solid var(--border); font-size: 0.88rem; }
.tech-table th { background: var(--primary); color: #fff; font-weight: 600; }
.tech-table tr:nth-child(even) { background: var(--bg-alt); }
.product-cta { background: var(--bg-alt); border: 1px solid var(--border); padding: 25px; margin-top: 30px; }
.product-cta h4 { margin-bottom: 10px; }
.product-cta p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 15px; }

/* --- HABER KARTLARI (Yatay) --- */
.card [style*="grid-template-columns: 300px"] { grid-template-columns: 300px 1fr; }

/* --- SABİT BUTONLAR --- */
.fixed-whatsapp {
    position: fixed; bottom: 25px; right: 25px; width: 56px; height: 56px;
    background: #25D366; color: #fff; display: flex; align-items: center;
    justify-content: center; font-size: 1.6rem; z-index: 998;
    box-shadow: 0 4px 15px rgba(37,211,102,0.4); transition: var(--transition);
    animation: whatsapp-pulse 2s infinite;
}
@keyframes whatsapp-pulse {
    0% { box-shadow: 0 4px 15px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 4px 25px rgba(37,211,102,0.6), 0 0 0 8px rgba(37,211,102,0.1); }
    100% { box-shadow: 0 4px 15px rgba(37,211,102,0.4); }
}
.fixed-whatsapp:hover { transform: scale(1.1); animation: none; }
.scroll-top {
    position: fixed; bottom: 90px; right: 25px; width: 44px; height: 44px;
    background: var(--primary); color: #fff; display: flex; align-items: center;
    justify-content: center; font-size: 1rem; z-index: 998;
    opacity: 0; visibility: hidden; transition: var(--transition);
    -webkit-transform: translateY(10px); transform: translateY(10px);
}
.scroll-top.visible { opacity: 1; visibility: visible; -webkit-transform: translateY(0); transform: translateY(0); }
.scroll-top:hover { background: var(--primary-dark); }

/* --- ANİMASYONLAR --- */
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; will-change: opacity, transform; }
.animate-on-scroll.animated { opacity: 1; transform: none; will-change: auto; }
.animate-fade-in { opacity: 0; transition: opacity 0.6s ease; }
.animate-fade-in.animated { opacity: 1; }
.animate-slide-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate-slide-left.animated { opacity: 1; transform: none; }
.animate-slide-right { opacity: 0; transform: translateX(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate-slide-right.animated { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .animate-on-scroll, .animate-fade-in, .animate-slide-left, .animate-slide-right { opacity: 1; transform: none; transition: none; }
}

/* --- UTILITY --- */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-light { color: var(--text-light); }
.mb-0 { margin-bottom: 0; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* --- İLETİŞİM SAYFASI --- */
.contact-dept-card {
    background: #fff; border: 1px solid var(--border); padding: 30px;
    box-shadow: var(--shadow); transition: var(--transition); position: relative;
    overflow: hidden;
}
.contact-dept-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: var(--primary); transition: var(--transition);
}
.contact-dept-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.contact-dept-card:hover::before { width: 6px; background: var(--accent); }
.dept-icon {
    width: 56px; height: 56px; background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
    margin-bottom: 18px;
}
.dept-icon-export { background: var(--accent); color: var(--dark); }
.contact-dept-card h3 {
    font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700;
    margin-bottom: 15px; color: var(--dark);
}
.dept-address {
    display: flex; align-items: flex-start; gap: 10px; margin-bottom: 18px;
    padding-bottom: 15px; border-bottom: 1px solid var(--border);
    font-size: 0.88rem; color: var(--text-light);
}
.dept-address i { color: var(--primary); margin-top: 3px; flex-shrink: 0; }
.dept-responsible {
    display: flex; align-items: center; gap: 10px; margin-bottom: 15px;
    font-weight: 600; font-size: 0.92rem; color: var(--primary);
}
.dept-responsible i { color: var(--accent); }
.dept-info { list-style: none; }
.dept-info li {
    display: flex; align-items: center; gap: 10px; padding: 8px 0;
    font-size: 0.88rem; border-bottom: 1px solid var(--border);
}
.dept-info li:last-child { border-bottom: none; }
.dept-info li i { color: var(--primary); width: 16px; text-align: center; flex-shrink: 0; }
.dept-info li a:hover { color: var(--primary); }

/* Harita + Form */
.contact-map { border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; }
.contact-map iframe { display: block; }
.contact-map-address {
    display: flex; align-items: center; gap: 10px; margin-top: 15px;
    font-size: 0.88rem; color: var(--text-light); padding: 12px 15px;
    background: var(--bg-alt); border: 1px solid var(--border);
}
.contact-map-address i { color: var(--primary); }
.contact-form .required { color: #EF4444; }
.contact-form select.form-control { appearance: none; -webkit-appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }

/* Hızlı İletişim Grid */
.contact-quick-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center;
}
.contact-quick-item { padding: 30px 20px; }
.contact-quick-icon {
    width: 70px; height: 70px; margin: 0 auto 18px;
    background: var(--primary); color: #fff; display: flex;
    align-items: center; justify-content: center; font-size: 1.5rem;
}
.contact-quick-icon-whatsapp { background: #25D366; }
.contact-quick-icon-pay { background: var(--accent); color: var(--dark); }
.contact-quick-item h4 { color: #fff; font-size: 1rem; margin-bottom: 8px; }
.contact-quick-item a { color: rgba(255,255,255,0.85); font-size: 0.9rem; }
.contact-quick-item a:hover { color: var(--accent); }

/* Sosyal Medya Kartları */
.contact-social-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.contact-social-card {
    display: flex; flex-direction: column; align-items: center;
    padding: 35px 20px; background: #fff; border: 1px solid var(--border);
    box-shadow: var(--shadow); transition: var(--transition); text-align: center;
}
.contact-social-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.contact-social-card i { font-size: 2.2rem; margin-bottom: 12px; color: var(--primary); transition: var(--transition); }
.contact-social-card span { font-weight: 700; font-family: var(--font-heading); font-size: 1.05rem; margin-bottom: 4px; }
.contact-social-card small { font-size: 0.82rem; color: var(--text-light); }
#social-facebook:hover i { color: #1877F2; }
#social-instagram:hover i { color: #E4405F; }
#social-youtube:hover i { color: #FF0000; }
#social-linkedin:hover i { color: #0A66C2; }

/* --- TEKLİF FORMU SAYFASI --- */
.quote-page-grid { display: grid; grid-template-columns: 1fr 380px; gap: 50px; align-items: start; }
.quote-form-area { }
.form-section { margin-bottom: 35px; padding-bottom: 30px; border-bottom: 1px solid var(--border); }
.form-section:last-of-type { border-bottom: none; }
.form-section-title {
    display: flex; align-items: center; gap: 10px;
    font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700;
    color: var(--primary); margin-bottom: 20px; padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
}
.form-section-title i { color: var(--accent); }
.quote-form .required { color: #EF4444; }
.quote-form select.form-control { appearance: none; -webkit-appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }

/* Teklif Bilgi Sidebar */
.quote-info-card {
    background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow);
    padding: 25px; margin-bottom: 20px;
}
.quote-info-card h4 {
    font-family: var(--font-heading); font-size: 1rem; font-weight: 700;
    margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid var(--border);
}
.quote-info-card-accent {
    background: var(--primary); color: #fff; border-color: var(--primary-dark);
}
.quote-info-card-accent h4 { color: #fff; border-bottom-color: rgba(255,255,255,0.2); }
.quote-info-card-accent p { color: rgba(255,255,255,0.85); }
.quote-benefits { list-style: none; }
.quote-benefits li {
    display: flex; align-items: center; gap: 10px; padding: 7px 0;
    font-size: 0.88rem; color: var(--text);
}
.quote-benefits li i { color: #22C55E; font-size: 0.8rem; flex-shrink: 0; }
.quote-contact-list { list-style: none; }
.quote-contact-list li {
    display: flex; align-items: center; gap: 10px; padding: 8px 0;
    font-size: 0.88rem; border-bottom: 1px solid var(--border);
}
.quote-contact-list li:last-child { border-bottom: none; }
.quote-contact-list li i { color: var(--primary); width: 16px; text-align: center; }
.quote-contact-list li a:hover { color: var(--primary); }

/* Süreç Adımları */
.quote-process { }
.process-step {
    display: flex; align-items: flex-start; gap: 15px; padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.process-step:last-child { border-bottom: none; }
.process-num {
    width: 32px; height: 32px; min-width: 32px; background: var(--primary);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.85rem; font-family: var(--font-heading);
}
.process-step strong { display: block; font-size: 0.88rem; margin-bottom: 2px; }
.process-step span { font-size: 0.8rem; color: var(--text-light); }

/* --- 404 HATA SAYFASI --- */
.error-page { text-align: center; padding: 40px 0; }
.error-visual { margin-bottom: 30px; position: relative; display: inline-block; }
.error-code {
    font-family: var(--font-heading); font-size: 8rem; font-weight: 800;
    color: var(--primary); line-height: 1; letter-spacing: -4px;
    text-shadow: 4px 4px 0 rgba(37,99,235,0.1);
    animation: error-pulse 2s ease-in-out infinite;
}
@keyframes error-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.85; transform: scale(1.02); }
}
.error-glass {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    font-size: 3rem; color: rgba(37,99,235,0.15);
}
.error-content h1 { font-size: 1.8rem; margin-bottom: 5px; }
.error-links {
    max-width: 500px; margin: 0 auto; padding: 25px;
    background: var(--bg-alt); border: 1px solid var(--border);
}
.error-links-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px; text-align: left;
}
.error-links-grid a {
    display: flex; align-items: center; gap: 8px; padding: 8px 12px;
    font-size: 0.88rem; font-weight: 500; color: var(--text);
    transition: var(--transition);
}
.error-links-grid a:hover { color: var(--primary); padding-left: 16px; background: #fff; }
.error-links-grid a i { color: var(--accent); font-size: 0.7rem; }

/* --- PRINT CSS --- */
@media print {
    .topbar, .header-main, .footer, .fixed-whatsapp, .scroll-top,
    .hero-arrows, .hero-dots, .cta-banner, .sidebar { display: none !important; }
    body { font-size: 12pt; color: #000; background: #fff; }
    .container { max-width: 100%; padding: 0; }
    .section { padding: 20px 0; }
    .content-with-sidebar { grid-template-columns: 1fr; }
    a { color: #000; text-decoration: underline; }
    img { max-width: 100%; }
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* --- TABLET LANDSCAPE (max 1024px) --- */
@media (max-width: 1024px) {
    .container { padding: 0 15px; }
    .nav-menu { display: none; }
    .hamburger { display: flex; }
    .mobile-menu { display: block; }
    .nav-cta { display: none; }
    .mega-menu-wide { min-width: 100%; grid-template-columns: repeat(2, 1fr); }
    .hero-content h1 { font-size: 2.5rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .grid-4, .why-us-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-badges { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .about-preview { gap: 30px; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
    .contact-quick-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-social-grid { grid-template-columns: repeat(2, 1fr); }
    .quote-page-grid { grid-template-columns: 1fr; }
}

/* --- TABLET PORTRAIT (max 768px) --- */
@media (max-width: 768px) {
    .section { padding: 50px 0; }
    .section-header h2 { font-size: 1.8rem; }
    .hero { height: 70vh; min-height: 400px; }
    .hero-content { padding-left: 20px; padding-right: 20px; max-width: 100%; }
    .hero-content h1 { font-size: 2rem; }
    .hero-content p { font-size: 1rem; }
    .hero-content .btn { display: block; text-align: center; margin-bottom: 10px; margin-right: 0; }
    .hero-arrow { width: 40px; height: 40px; font-size: 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item .stat-number { font-size: 2.2rem; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .about-preview { grid-template-columns: 1fr; }
    .about-preview-img { order: -1; }
    .about-preview-img .accent-block { display: none; }
    .content-with-sidebar { grid-template-columns: 1fr; }
    .sidebar { order: 2; }
    .sidebar-sticky { position: static; }
    .footer-grid { grid-template-columns: 1fr; gap: 25px; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    .page-hero { height: 220px; }
    .page-hero h1 { font-size: 1.8rem; }
    .form-row { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .product-main-img { height: 280px; }
    .topbar-left span:not(:first-child) { display: none; }
    .card [style*="grid-template-columns: 300px"] { grid-template-columns: 1fr !important; }
    .contact-map-form { grid-template-columns: 1fr; }
    .contact-quick-grid { grid-template-columns: 1fr 1fr; }
    .contact-social-grid { grid-template-columns: 1fr 1fr; }
    .quote-page-grid { grid-template-columns: 1fr; gap: 30px; }
    .quote-info-sidebar .sidebar-sticky { position: static; }
    /* Lightbox */
    .lightbox-main { padding: 56px 16px 140px; }
    .lightbox-nav {
        top: auto; bottom: 95px; transform: none;
        width: 44px; height: 44px; font-size: 1.1rem;
        background: rgba(30,30,30,0.85); border: 1px solid rgba(255,255,255,0.15);
    }
    .lightbox-nav:hover { transform: none; }
    .lightbox-prev { left: auto; right: 62px; }
    .lightbox-next { right: 12px; }
    .lightbox-thumbstrip { height: 80px; padding: 10px 16px; }
    .lightbox-thumb { width: 56px; height: 44px; min-width: 56px; }
}

/* --- MOBİL (max 576px) --- */
@media (max-width: 576px) {
    html { font-size: 15px; }
    .section { padding: 40px 0; }
    .section-header h2 { font-size: 1.5rem; }
    .section-header p { font-size: 0.95rem; }
    .hero { height: 60vh; min-height: 350px; }
    .hero-content h1 { font-size: 1.6rem; }
    .hero-dots span { width: 10px; height: 10px; }
    .hero-dots span.active { width: 28px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 15px; }
    .stat-item .stat-number { font-size: 1.8rem; }
    .grid-4, .why-us-grid { grid-template-columns: 1fr; }
    .card-img { height: 180px; }
    .card-category .card-img { height: 320px; }
    .card-category .card-overlay h3 { font-size: 1.3rem; }
    .card-category .card-overlay span { font-size: 0.85rem; }
    .btn { padding: 12px 24px; font-size: 0.88rem; width: 100%; justify-content: center; }
    .btn-lg { padding: 14px 28px; }
    .header-inner { height: 65px; }
    .logo img { height: 42px; }
    .topbar { font-size: 0.78rem; padding: 6px 0; }
    .topbar-left { gap: 10px; }
    .topbar-social a { width: 24px; height: 24px; }
    .video-play-btn { width: 60px; height: 60px; font-size: 1.4rem; }
    .cert-badges { grid-template-columns: 1fr 1fr; gap: 10px; }
    .cert-badge-item { padding: 14px 14px; gap: 10px; }
    .cert-badge-icon { width: 40px; height: 40px; min-width: 40px; font-size: 1rem; }
    .cert-badge-info strong { font-size: 0.82rem; }
    .cert-badge-info span { font-size: 0.72rem; }
    .gallery-grid { grid-template-columns: 1fr 1fr; gap: 5px; }
    .gallery-item { height: 150px; }
    .product-thumbs .thumb { width: 60px; height: 45px; }
    .page-hero { height: 180px; }
    .page-hero h1 { font-size: 1.5rem; }
    .footer-social a { width: 32px; height: 32px; }
    .fixed-whatsapp { width: 50px; height: 50px; font-size: 1.4rem; bottom: 15px; right: 15px; }
    .scroll-top { bottom: 75px; right: 15px; width: 38px; height: 38px; }
    .contact-quick-grid { grid-template-columns: 1fr; gap: 15px; }
    .contact-social-grid { grid-template-columns: 1fr; }
    /* Lightbox */
    .lightbox-main { padding: 52px 8px 130px; }
    .lightbox-nav {
        top: auto; bottom: 82px; transform: none;
        width: 40px; height: 40px; font-size: 1rem;
        background: rgba(30,30,30,0.9); border: 1px solid rgba(255,255,255,0.15);
    }
    .lightbox-nav:hover { transform: none; }
    .lightbox-prev { left: auto; right: 54px; }
    .lightbox-next { right: 8px; }
    .lightbox-thumbstrip { height: 72px; padding: 8px 8px 8px 8px; }
    .lightbox-thumb { width: 48px; height: 38px; min-width: 48px; }
    .lightbox-topbar { padding: 0 12px; height: 48px; }
    .lightbox-counter { font-size: 0.85rem; }
    .lightbox-close { width: 38px; height: 38px; font-size: 1.2rem; }
    .contact-dept-card { padding: 20px; }
    .product-cta .btn { width: 100%; justify-content: center; margin-left: 0 !important; margin-bottom: 10px; }
    .error-code { font-size: 5rem; }
    .error-links-grid { grid-template-columns: 1fr; }
}

/* --- LAZY LOAD PLACEHOLDER --- */
img[loading="lazy"] {
    background: var(--bg-alt);
    transition: opacity 0.3s ease;
}

/* --- TEKNİK TABLO MOBİL SCROLL --- */
.tech-table-wrapper {
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    margin-bottom: 25px;
}
.tech-table-wrapper .tech-table { margin-bottom: 0; min-width: 500px; }

/* --- ERİŞİLEBİLİRLİK — Skip to content --- */
.skip-to-content {
    position: absolute; top: -100%; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: #fff; padding: 12px 24px; font-weight: 600;
    z-index: 10000; transition: top 0.3s ease;
}
.skip-to-content:focus { top: 10px; }

/* --- FOCUS STİLLERİ (Erişilebilirlik) --- */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

/* --- FORM BAŞARI / HATA MESAJLARI --- */
.form-message {
    padding: 15px 20px; margin-bottom: 20px; font-size: 0.9rem; font-weight: 500;
    display: none; align-items: center; gap: 10px;
}
.form-message-success { background: #F0FDF4; color: #166534; border: 1px solid #BBF7D0; }
.form-message-error { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.form-message.active { display: flex; }
