/* Ortak: layout, header, footer, ana sayfa */
/* Biogen Farma - biogenfarma HTML kaynaklı birleşik stil */
:root {
            --primary: #0891B2;
            --primary-dark: #0E7490;
            --primary-light: #22D3EE;
            --secondary: #164E63;
            --accent: #06B6D4;
            --dark: #0F172A;
            --light: #F0FDFA;
            --gray: #64748B;
            --white: #FFFFFF;
            --red: #DC2626;
        }

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

        html {
            overflow-x: hidden;
            max-width: 100%;
        }

        body {
            font-family: 'Inter', sans-serif;
            color: var(--dark);
            overflow-x: hidden;
            max-width: 100%;
            overscroll-behavior-x: none;
        }

        img,
        video,
        iframe {
            max-width: 100%;
        }

        /* TOP BAR */
        .top-bar {
            background: var(--dark);
            padding: 0.5rem 0;
            font-size: 0.8125rem;
        }

        .top-bar a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .top-bar .separator {
            color: rgba(255,255,255,0.3);
            margin: 0 1rem;
        }

        /* HEADER */
        .main-header {
            background: var(--white);
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .logo img {
            height: 50px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .main-nav .nav-link {
            color: var(--dark);
            font-weight: 500;
            padding: 0.75rem 1rem;
            transition: all 0.3s;
            position: relative;
        }

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

        .main-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--primary);
        }

        .header-contact {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .header-phone {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
        }

        .header-phone i {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-login {
            background: var(--primary);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s;
        }

        .btn-login:hover {
            background: var(--primary-dark);
            color: white;
        }

        /* Header Teklif Al: premium stil (hover’da sadece gölge, arka plan sabit) */
        .header-contact .btn-login {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 50px;
            box-shadow: 0 4px 14px rgba(14, 116, 144, 0.35);
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .header-contact .btn-login:hover {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            box-shadow: 0 8px 25px rgba(14, 116, 144, 0.45);
        }

        /* HERO SECTION */
        .hero-section {
            position: relative;
            height: 550px;
            overflow: hidden;
        }

        .hero-slide {
            position: relative;
            height: 550px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 60%;
            height: 100%;
            background: var(--primary);
            clip-path: polygon(0 0, 85% 0, 70% 100%, 0 100%);
        }

        .hero-content {
            position: relative;
            z-index: 10;
            max-width: 550px;
            padding-left: 3rem;
        }

        .hero-content h1 {
            font-size: 2.75rem;
            font-weight: 800;
            color: white;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        .hero-content p {
            color: rgba(255,255,255,0.9);
            font-size: 1rem;
            margin-bottom: 1.5rem;
        }

        .btn-hero {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--dark);
            color: white;
            padding: 0.875rem 1.5rem;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
        }

        .btn-hero:hover {
            background: var(--secondary);
            color: white;
        }

        /* ABOUT SECTION */
        .about-section {
            padding: 5rem 0;
            background: var(--white);
        }

        .about-images {
            position: relative;
        }

        .about-img-main {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .about-img-main img {
            width: 100%;
            height: 350px;
            object-fit: cover;
        }

        .about-img-secondary {
            position: absolute;
            bottom: -30px;
            right: -30px;
            width: 200px;
            height: 200px;
            border-radius: 10px;
            overflow: hidden;
            border: 5px solid white;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }

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

        .about-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 100px;
            height: 100px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: white;
            box-shadow: 0 10px 30px rgba(8, 145, 178, 0.3);
        }

        .about-badge .number {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1;
        }

        .about-badge .text {
            font-size: 0.75rem;
            text-transform: uppercase;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.75rem;
        }

        .section-badge::before {
            content: '';
            width: 30px;
            height: 2px;
            background: var(--primary);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .about-content p {
            color: var(--gray);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.875rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            border: none;
            color: white;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            box-shadow: 0 4px 15px rgba(14, 116, 144, 0.3);
            transition: box-shadow 0.3s ease;
        }

        .btn-primary-custom:hover {
            color: white;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            box-shadow: 0 8px 25px rgba(14, 116, 144, 0.4);
        }

        /* STATS SECTION */
        .stats-section {
            background: var(--dark);
            padding: 3rem 0;
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem;
            border-right: 1px solid rgba(255,255,255,0.1);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-icon {
            width: 60px;
            height: 60px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: var(--primary-light);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: white;
        }

        .stat-label {
            color: rgba(255,255,255,0.7);
            font-size: 0.875rem;
        }

        /* SERVICES SECTION */
        .services-section {
            padding: 5rem 0;
            background: var(--light);
        }

        .service-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            transition: all 0.3s;
            height: 100%;
        }

        .service-card:hover {
            box-shadow: 0 15px 40px rgba(0,0,0,0.1);
        }

        .service-image {
            height: 200px;
            overflow: hidden;
        }

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

        .service-content {
            padding: 1.5rem;
        }

        .service-content h4 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            color: var(--dark);
        }

        .service-content p {
            color: var(--gray);
            font-size: 0.875rem;
            margin-bottom: 1rem;
        }

        .service-link {
            color: var(--primary);
            font-weight: 500;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .service-link:hover {
            color: var(--primary-dark);
        }

        /* PRODUCTS SECTION */
        .products-section {
            padding: 5rem 0;
            background: white;
        }

        .product-filters {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .filter-btn {
            padding: 0.5rem 1.25rem;
            border: none;
            background: var(--light);
            color: var(--gray);
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }

        .filter-btn:hover,
        .filter-btn.active {
            background: var(--primary);
            color: white;
        }

        .product-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid #E2E8F0;
            transition: all 0.3s;
            height: 100%;
        }

        .product-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .product-image {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .product-image img {
            max-width: 80%;
            max-height: 80%;
            object-fit: contain;
        }

        .product-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--primary);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
        }

        .product-content {
            padding: 1.25rem;
        }

        .product-content h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .product-content p {
            font-size: 0.8rem;
            color: var(--gray);
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .product-price {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .price-old {
            text-decoration: line-through;
            color: var(--gray);
            font-size: 0.875rem;
        }

        .price-new {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.125rem;
        }

        .btn-product {
            width: 100%;
            padding: 0.625rem;
            border: 2px solid var(--primary);
            background: transparent;
            color: var(--primary);
            border-radius: 5px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }

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

        /* TESTIMONIALS SECTION */
        .testimonials-section {
            padding: 5rem 0;
            background: var(--light);
        }

        .testimonial-card {
            background: white;
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }

        .testimonial-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 1rem;
            border: 3px solid var(--primary);
        }

        .testimonial-text {
            color: var(--gray);
            font-style: italic;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .testimonial-name {
            font-weight: 600;
            color: var(--dark);
        }

        .testimonial-role {
            font-size: 0.875rem;
            color: var(--gray);
        }

        /* PARTNERS SECTION */
        .partners-section {
            padding: 3rem 0;
            background: white;
            border-top: 1px solid #E2E8F0;
            border-bottom: 1px solid #E2E8F0;
        }

        .partner-logo {
            height: 40px;
            opacity: 0.5;
            transition: opacity 0.3s;
            filter: grayscale(100%);
        }

        .partner-logo:hover {
            opacity: 1;
            filter: grayscale(0);
        }

        /* PROJECTS SECTION */
        .projects-section {
            padding: 5rem 0;
            background: white;
        }

        .project-card {
            position: relative;
            border-radius: 10px;
            overflow: hidden;
            height: 300px;
        }

        .project-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .project-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            padding: 2rem 1.5rem 1.5rem;
        }

        .project-overlay h4 {
            color: white;
            font-size: 1.125rem;
            margin-bottom: 0.25rem;
        }

        .project-overlay p {
            color: rgba(255,255,255,0.7);
            font-size: 0.875rem;
            margin-bottom: 0.75rem;
        }

        .project-link {
            color: var(--primary-light);
            font-size: 0.875rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .project-link:hover {
            color: white;
        }

        /* NEWS SECTION */
        .news-section {
            padding: 5rem 0;
            background: var(--light);
        }

        .news-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            height: 100%;
        }

        .news-image {
            height: 200px;
            overflow: hidden;
        }

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

        .news-content {
            padding: 1.5rem;
        }

        .news-date {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.75rem;
            margin-bottom: 0.75rem;
        }

        .news-content h4 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .news-link {
            color: var(--primary);
            font-weight: 500;
            text-decoration: none;
            font-size: 0.875rem;
        }

        .news-link:hover {
            text-decoration: underline;
        }

        /* FOOTER */
        .footer {
            background: var(--dark);
            color: white;
            padding: 4rem 0 0;
        }

        .footer-brand img {
            height: 45px;
            margin-bottom: 1rem;
        }

        .footer-text {
            color: rgba(255,255,255,0.6);
            font-size: 0.875rem;
            margin-bottom: 1.5rem;
        }

        .footer-social {
            display: flex;
            gap: 0.75rem;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            background: rgba(255,255,255,0.1);
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            transition: all 0.3s;
        }

        .footer-social a:hover {
            background: var(--primary);
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            position: relative;
            padding-bottom: 0.75rem;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            font-size: 0.875rem;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 5px;
        }

        .footer-links i {
            font-size: 0.75rem;
            color: var(--primary);
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .footer-contact i {
            color: var(--primary);
            margin-top: 0.25rem;
        }

        .footer-contact span {
            color: rgba(255,255,255,0.6);
            font-size: 0.875rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 1.5rem 0;
            margin-top: 3rem;
        }

        .footer-bottom p {
            color: rgba(255,255,255,0.5);
            font-size: 0.8125rem;
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .hero-content h1 {
                font-size: 2rem;
            }
            
            .hero-overlay {
                width: 100%;
                clip-path: none;
            }

            .about-section {
                overflow: hidden;
            }

            .about-images {
                overflow: hidden;
                max-width: 100%;
            }

            .about-img-secondary {
                right: 0;
                bottom: -20px;
                width: 160px;
                height: 160px;
            }
            
            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                height: auto;
                overflow: hidden;
            }
            
            .hero-slide {
                height: auto;
                padding: 4rem 0;
            }
            
            .hero-content {
                padding: 0 1rem;
                max-width: 100%;
            }
            
            .about-img-secondary,
            .about-badge {
                display: none;
            }

            .container {
                max-width: 100%;
            }
        }

        /* ===== SENIOR LEVEL VISUAL ENHANCEMENTS ===== */
        
        /* Premium Color Overrides */
        :root {
            --primary: #0E7490;
            --primary-dark: #155E75;
            --primary-light: #22D3EE;
            --accent: #F59E0B;
            --dark: #0F172A;
            --light: #F8FAFC;
            --gray: #64748B;
            --white: #FFFFFF;
            --border: rgba(226, 232, 240, 0.8);
            --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
            --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
            --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.08);
            --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.1);
            --shadow-glow: 0 0 40px rgba(14, 116, 144, 0.15);
        }

        body {
            background-color: #FAFBFC;
        }

        /* Typography Refinement */
        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.15;
        }

        .section-title .accent-word {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }

        .section-title .accent-word::after {
            content: '';
            position: absolute;
            bottom: 5px;
            left: 0;
            width: 100%;
            height: 8px;
            background: linear-gradient(90deg, rgba(34, 211, 238, 0.4), transparent);
            z-index: -1;
            border-radius: 4px;
        }

        .section-badge {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 0.5rem 0;
        }

        .section-badge::before {
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
        }

        /* Premium Header */
        .main-header {
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border);
            transition: all 0.4s ease;
        }

        .main-header.scrolled {
            box-shadow: var(--shadow-lg);
            padding: 0.75rem 0;
        }

        .main-nav .nav-link {
            font-weight: 600;
            font-size: 0.9375rem;
            letter-spacing: -0.01em;
            border-radius: 8px;
            margin: 0 2px;
        }

        .main-nav .nav-link:hover {
            background: rgba(14, 116, 144, 0.06);
        }

        .main-nav .nav-link.active::after {
            left: 1rem;
            right: 1rem;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
        }

        /* Hero Premium */
        .hero-section {
            position: relative;
            height: 550px;
            overflow: hidden;
        }

        .hero-slide {
            position: relative;
            height: 550px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 60%;
            height: 100%;
            background: var(--primary);
            clip-path: polygon(0 0, 85% 0, 70% 100%, 0 100%);
        }

        .hero-content h1 {
            font-size: 3.25rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.1;
            text-shadow: 0 2px 30px rgba(0, 0, 0, 0.2);
            margin-bottom: 1.5rem;
        }

        .hero-content h1 span {
            display: block;
            color: var(--accent);
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }

        .hero-content p {
            font-size: 1.125rem;
            line-height: 1.7;
            max-width: 480px;
            margin-bottom: 2rem;
        }

        .btn-hero {
            background: linear-gradient(135deg, var(--dark) 0%, #1E293B 100%);
            border-radius: 50px;
            padding: 1rem 2rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .btn-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s ease;
            z-index: -1;
        }

        .btn-hero:hover::before {
            left: 100%;
        }

        .btn-hero:hover {
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
        }

        .swiper-pagination-bullet {
            width: 12px;
            height: 12px;
            background: rgba(255,255,255,0.4);
            opacity: 1;
            transition: all 0.3s ease;
        }

        .swiper-pagination-bullet-active {
            background: var(--accent);
            width: 30px;
            border-radius: 6px;
        }

        /* Section Spacing & Dividers */
        .about-section,
        .services-section,
        .products-section,
        .news-section {
            padding: 6rem 0;
            position: relative;
        }

        .about-section,
        .products-section {
            background: var(--white);
        }

        .services-section,
        .news-section {
            background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 100%);
        }

        /* Premium Cards */
        .service-card,
        .product-card,
        .news-card {
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            background: var(--white);
            overflow: hidden;
        }

        .service-card:hover,
        .product-card:hover,
        .news-card:hover {
            box-shadow: var(--shadow-xl);
            border-color: rgba(14, 116, 144, 0.2);
        }

        .service-image,
        .news-image {
            height: 220px;
            position: relative;
            overflow: hidden;
        }

        .service-image::after,
        .news-image::after,
        .project-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, 0.1) 100%);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .service-card:hover .service-image::after,
        .news-card:hover .news-image::after,
        .project-card:hover::after {
            opacity: 1;
        }

        .service-content h4,
        .news-content h4 {
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.01em;
        }

        .service-link {
            font-weight: 600;
            position: relative;
        }

        .service-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }

        .service-link:hover::after {
            width: 100%;
        }

        /* Product Cards Premium */
        .product-image {
            height: 200px;
            background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
            border-bottom: 1px solid var(--border);
        }

        .product-content h5 {
            font-size: 1.125rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .btn-product {
            border-radius: 50px;
            font-weight: 600;
            background: linear-gradient(135deg, transparent 0%, transparent 100%);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .btn-product::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.4s ease;
            z-index: -1;
        }

        .btn-product:hover::before {
            transform: scaleX(1);
            transform-origin: left;
        }

        .btn-product:hover {
            color: white;
            border-color: var(--primary);
        }

        .product-badge {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            font-size: 0.6875rem;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 10px rgba(14, 116, 144, 0.3);
        }

        /* Stats Premium */
        .stats-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1E293B 100%);
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 50%, rgba(14, 116, 144, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 80% 50%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
        }

        .stat-item {
            position: relative;
            z-index: 1;
        }

        .stat-icon {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--primary-light);
            transition: all 0.3s ease;
        }

        .stat-item:hover .stat-icon {
            background: var(--primary);
            color: white;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            background: linear-gradient(135deg, #fff 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* About Section Premium */
        .about-img-main {
            border-radius: 20px;
            box-shadow: var(--shadow-xl);
        }

        .about-img-main img {
            height: 420px;
        }

        .about-img-secondary {
            border-radius: 16px;
            border: 6px solid white;
            box-shadow: var(--shadow-lg);
            width: 220px;
            height: 220px;
        }

        .about-badge {
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            box-shadow: var(--shadow-glow);
        }

        .about-badge .number {
            font-size: 3rem;
        }

        /* News Cards */
        .news-date {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* Footer */
        .footer {
            background: linear-gradient(135deg, #05252D 0%, #083744 50%, #0A4A5A 100%);
            position: relative;
            overflow: hidden;
        }

        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        }

        .footer-social a {
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
        }

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

        /* Scroll Reveal Animation */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
        .reveal-delay-4 { transition-delay: 0.4s; }

        /* Top Bar Premium */
        .top-bar {
            background: linear-gradient(90deg, var(--dark) 0%, #1E293B 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* Header Phone */
        .header-phone i {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            box-shadow: 0 4px 10px rgba(14, 116, 144, 0.25);
        }

        /* Mobile Menu — site-mobile-menu */

        /* Responsive Adjustments */
        @media (max-width: 991px) {
            .hero-content h1 {
                font-size: 2.25rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
        }

/* Hakkımızda istatistikler: açık kartlı tasarım (birleşik CSS’teki koyu stats-section ezmesin) */
.stats-section.stats-section--about {
    background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 100%);
    padding: 5rem 0;
    overflow: visible;
}

.stats-section.stats-section--about::before {
    display: none;
}

.stats-section.stats-section--about .stat-item {
    background: #fff;
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid #E2E8F0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    border-right: none;
    position: relative;
    z-index: 1;
}

.stats-section.stats-section--about .stat-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: rgba(14, 116, 144, 0.2);
}

.stats-section.stats-section--about .stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 8px 20px rgba(14, 116, 144, 0.25);
    border: none;
    backdrop-filter: none;
}

.stats-section.stats-section--about .stat-item:hover .stat-icon {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
    color: #fff;
}

.stats-section.stats-section--about .stat-number {
    font-size: 2.75rem;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 0.5rem;
    background: none;
    -webkit-text-fill-color: inherit;
}

.stats-section.stats-section--about .stat-label {
    color: var(--gray);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Yenilemede kayma: sadece footer ok ikonu (header telefon / Teklif Al stillerine dokunulmaz) */
.footer-links a > i.fa-chevron-right {
    display: inline-block;
    min-width: 0.75em;
    text-align: center;
    vertical-align: middle;
}

/* Menü: aktif alt çizgi ile dropdown oku (::after) çakışmasını gider */
.main-nav .nav-link.active:not(.dropdown-toggle)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--primary);
}

.main-nav .dropdown > .nav-link.dropdown-toggle.active {
    box-shadow: inset 0 -2px 0 var(--primary);
}

.main-nav .nav-link.dropdown-toggle::after,
.main-nav .nav-link.dropdown-toggle.active::after,
.main-nav .nav-link.dropdown-toggle.show::after {
    content: '';
    display: inline-block;
    margin-left: 0.255em;
    vertical-align: 0.255em;
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
    position: static;
    left: auto;
    right: auto;
    bottom: auto;
    width: auto;
    height: auto;
    background: transparent;
}

/* Sabit iletişim + yukarı çık (ayarlardan) */
.site-float-contact {
    position: fixed;
    z-index: 1040;
    display: flex;
    gap: 10px;
    pointer-events: none;
}
.site-float-contact .site-float-btn {
    pointer-events: auto;
}
.site-float-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-width: 52px;
    height: 52px;
    padding: 0 1rem;
    border-radius: 999px;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.site-float-btn:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.28);
}
.site-float-btn--phone {
    background: linear-gradient(135deg, #0891B2 0%, #0E7490 100%);
}
.site-float-btn--whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}
.site-float-btn i {
    font-size: 1.25rem;
}
.site-back-to-top {
    position: fixed;
    z-index: 1045;
    right: 20px;
    bottom: 20px;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: #0F172A;
    color: #fff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.25);
    cursor: pointer;
    transition: opacity 0.25s ease, transform 0.2s ease, visibility 0.25s;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
}
.site-back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.site-back-to-top:hover {
    background: #0891B2;
}
@media (max-width: 991.98px) {
    .site-float-contact {
        left: 0;
        right: 0;
        bottom: 0;
        justify-content: center;
        padding: 10px 16px calc(12px + env(safe-area-inset-bottom, 0px));
        background: linear-gradient(180deg, rgba(241, 245, 249, 0) 0%, rgba(241, 245, 249, 0.92) 35%, #F1F5F9 100%);
    }
    .site-float-btn {
        flex: 1;
        max-width: 200px;
    }
    .site-back-to-top {
        bottom: calc(76px + env(safe-area-inset-bottom, 0px));
        right: 16px;
    }
}
@media (min-width: 992px) {
    .site-float-contact {
        left: 24px;
        bottom: 24px;
        flex-direction: column;
        align-items: flex-start;
    }
    .site-float-btn {
        width: 52px;
        padding: 0;
    }
    .site-float-btn-label {
        display: none !important;
    }
}

/* ===== Mobil menü (offcanvas) ===== */
.site-mobile-menu {
    width: min(100%, 320px);
    border-left: none;
    box-shadow: -8px 0 40px rgba(15, 23, 42, 0.12);
    background: #fff;
}

.site-mobile-menu__header {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border, #e2e8f0);
    align-items: center;
}

.site-mobile-menu__logo {
    display: block;
    line-height: 0;
}

.site-mobile-menu__close {
    opacity: 0.6;
}

.site-mobile-menu__body {
    padding: 0.75rem 1rem 1.5rem;
    overflow-y: auto;
}

.site-mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.site-mobile-nav__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--dark, #0f172a);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.site-mobile-nav__link i {
    width: 1.25rem;
    text-align: center;
    color: var(--primary, #0e7490);
    font-size: 0.9rem;
}

.site-mobile-nav__link:hover,
.site-mobile-nav__link.is-active {
    background: rgba(14, 116, 144, 0.08);
    color: var(--primary-dark, #155e75);
}

.site-mobile-nav__link.is-active {
    box-shadow: inset 3px 0 0 var(--primary, #0e7490);
}

.site-mobile-nav__group {
    border-radius: 12px;
    overflow: hidden;
    background: #f8fafc;
    border: 1px solid rgba(226, 232, 240, 0.9);
}

.site-mobile-nav__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.9rem 1rem;
    border: none;
    background: transparent;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--dark, #0f172a);
    text-align: left;
    cursor: pointer;
}

.site-mobile-nav__toggle > span {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.site-mobile-nav__toggle > span i {
    width: 1.25rem;
    text-align: center;
    color: var(--primary, #0e7490);
}

.site-mobile-nav__chevron {
    font-size: 0.7rem;
    color: var(--gray, #64748b);
    transition: transform 0.25s ease;
}

.site-mobile-nav__toggle:not(.collapsed) .site-mobile-nav__chevron {
    transform: rotate(180deg);
}

.site-mobile-nav__sub {
    padding: 0.35rem 0.75rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    background: #fff;
}

.site-mobile-nav__sublink {
    display: block;
    padding: 0.55rem 0.75rem 0.55rem 2.5rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray, #64748b);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.site-mobile-nav__sublink:hover,
.site-mobile-nav__sublink.is-active {
    background: rgba(14, 116, 144, 0.06);
    color: var(--primary, #0e7490);
}

.site-mobile-nav__sublink.is-active {
    font-weight: 600;
}

.site-mobile-menu__meta {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border, #e2e8f0);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.site-mobile-menu__meta-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray, #64748b);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.site-mobile-menu__meta-item i {
    width: 1.25rem;
    text-align: center;
    color: var(--primary, #0e7490);
    font-size: 0.9rem;
}

.site-mobile-menu__meta-item:hover {
    background: #f8fafc;
    color: var(--primary-dark, #155e75);
}

.site-mobile-menu__social {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.35rem 1rem 0.15rem;
}

.site-mobile-menu__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: #f1f5f9;
    color: var(--primary, #0e7490);
    text-decoration: none;
    font-size: 1rem;
    transition: background 0.2s ease, color 0.2s ease;
}

.site-mobile-menu__social-link:hover {
    background: rgba(14, 116, 144, 0.12);
    color: var(--primary-dark, #155e75);
}

.site-mobile-menu__footer {
    margin-top: 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border, #e2e8f0);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.site-mobile-menu__phone {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: #f1f5f9;
    color: var(--dark, #0f172a);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
}

.site-mobile-menu__phone i {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

.site-mobile-menu__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.25rem;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff !important;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(14, 116, 144, 0.35);
}

.site-mobile-menu__cta:hover {
    color: #fff;
    box-shadow: 0 6px 20px rgba(14, 116, 144, 0.45);
}

/* Swiper / geniş içerik taşmasını kes */
.hero-section .swiper,
.hero-section .swiper-wrapper {
    max-width: 100%;
}

.main-header .btn.d-lg-none {
    color: var(--dark, #0f172a);
    padding: 0.5rem;
    border: none;
    background: transparent;
}

.main-header .btn.d-lg-none:hover {
    color: var(--primary, #0e7490);
}