/* --- GENEL AYARLAR --- */
        :root {
            --primary-color: #2c3e50; /* Koyu Lacivert - Kurumsal */
            --accent-color: #e67e22;  /* Turuncu - Dikkat Çekici */
            --dark-bg: #1a252f;       /* Footer Arkaplanı */
            --light-bg: #f8f9fa;      /* Açık Gri Arkaplan */
            --text-color: #333;
            --white: #ffffff;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
        }

        body {
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
            background-color: #f9f9f9;
        }

        a { text-decoration: none; color: inherit; transition: 0.3s; }
        ul { list-style: none; }
        .container img { max-width: 100%; display: block; }

        /* --- HEADER & NAVİGASYON --- */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 5%;
            height: 80px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .navbar .logo {
        display: flex;          
        align-items: center;    
        gap: 12px;            
        cursor: pointer;       
        color: #fff;          
        font-family: sans-serif;
        font-size: 24px;
        font-weight: 700;      
        }


        .navbar .logo img {   
            height: 40px;    
            width: auto;           
            object-fit: contain;  
        }

        .navbar .logo span {
            color: #e74c3c;         
            font-weight: 300;       
        }

        .navbar .logo span { color: var(--accent-color); }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 25px;
        }

        .nav-links li a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary-color);
        }

        .nav-links li a:hover { color: var(--accent-color); }

        /* Navbar Özel Butonlar */
        .nav-btn {
            padding: 8px 16px;
            border-radius: 4px;
            font-size: 0.9rem !important;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-trendyol-nav {
            border: 2px solid #f27a1a;
            color: #f27a1a !important;
            background: transparent;
        }
        
        .btn-trendyol-nav:hover {
            background: #f27a1a;
            color: white !important;
        }

        .btn-other-nav {
            background-color: #8e44ad;
            color: white !important;
            border: 2px solid #8e44ad;
        }

        .btn-other-nav:hover {
            background-color: #732d91;
            border-color: #732d91;
        }

        .hamburger { display: none; font-size: 1.5rem; cursor: pointer; color: var(--primary-color); }

        /* --- HERO BÖLÜMÜ --- */
        .hero {
            position: relative;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            padding: 0 20px;
            /* Arka plan resmi */
            background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(80, 58, 44, 0.8)), url('imgs/main_banner.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed; /* Parallax Etkisi */
        }

        .hero-content { max-width: 900px; z-index: 1; }

        .hero h1 {
            font-size: 3.5rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            font-weight: 800;
        }

        .hero p {
            font-size: 1.25rem;
            margin-bottom: 2.5rem;
            opacity: 0.9;
            font-weight: 300;
        }

        /* Hero Buton Grubu */
        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .hero-btn {
            padding: 14px 30px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            min-width: 160px;
            justify-content: center;
        }

        .btn-primary {
            background-color: var(--accent-color);
            color: white;
            border: 2px solid var(--accent-color);
        }
        .btn-primary:hover { background-color: transparent; }

        .btn-secondary {
            background-color: transparent;
            color: white;
            border: 2px solid white;
        }
        .btn-secondary:hover { background-color: white; color: var(--primary-color); }

        .btn-outline {
            background-color: rgba(255,255,255,0.1);
            color: white;
            border: 2px solid rgba(255,255,255,0.3);
            backdrop-filter: blur(5px);
        }
        .btn-outline:hover { background-color: rgba(255,255,255,0.2); border-color: white; }


        /* --- ORTAK BAŞLIK STİLİ --- */
        .container { max-width: 1200px; margin: 0 auto; padding: 5rem 20px; }
        
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .section-header p { color: #666; font-size: 1.1rem; }
        .divider {
            height: 4px;
            width: 70px;
            background: var(--accent-color);
            margin: 15px auto 0;
            border-radius: 2px;
        }

        /* --- HİZMETLER (RESİMLİ KARTLAR) --- */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid #eee;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        .service-img {
            height: 220px;
            width: 100%;
            overflow: hidden;
        }

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

        .service-card:hover .service-img img { transform: scale(1.1); }

        .service-content { padding: 25px; }

        .service-content h3 {
            font-size: 1.4rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            position: relative;
            padding-bottom: 10px;
        }

        .service-content h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background-color: var(--accent-color);
        }

        .service-content p {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* --- GALERİ --- */
        .gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 15px; }
        .gallery-item {
            position: relative;
            height: 250px;
            overflow: hidden;
            border-radius: 6px;
            cursor: pointer;
        }
        .gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
        .gallery-item:hover img { transform: scale(1.1); }
        .gallery-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0,0,0,0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            opacity: 0;
            transition: 0.3s;
        }
        .gallery-item:hover .gallery-overlay { opacity: 1; }

        /* --- REFERANSLAR --- */
        .references-section { background-color: #f4f6f8; }
        
        .clients-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            align-items: center;
        }

        .client-box {
            background: white;
            height: 120px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            border-radius: 8px;
            border: 1px solid #e0e0e0;
            transition: 0.3s;
            cursor: default;
            color: #888;
        }

        .client-box i { font-size: 2.5rem; margin-bottom: 10px; }
        .client-box span { font-weight: 700; font-size: 1.1rem; text-transform: uppercase; }

        .client-box:hover {
            border-color: var(--accent-color);
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            color: var(--primary-color);
        }
        .client-box:hover i { color: var(--accent-color); }


        /* --- YORUMLAR --- */
        .reviews-wrapper {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .review-card {
            background: #fff;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .review-card p { font-style: italic; color: #555; }
        .review-footer {
            margin-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .client-info h4 { font-size: 1rem; color: var(--primary-color); }
        .rating { color: #f1c40f; font-size: 0.9rem; }

        /* --- İLETİŞİM --- */
        .contact-wrapper { display: flex; flex-wrap: wrap; gap: 40px; }
        .contact-details { flex: 1; min-width: 300px; }
        .contact-map { flex: 1; min-width: 300px; height: 400px; border-radius: 8px; overflow: hidden; }
        
        .info-box {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
        }
        .info-icon {
            width: 50px;
            height: 50px;
            background: rgba(230, 126, 34, 0.1);
            color: var(--accent-color);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 1.2rem;
            margin-right: 20px;
            flex-shrink: 0;
        }
        .info-text h4 { font-size: 1.1rem; margin-bottom: 5px; color: var(--primary-color); }
        .info-text p, .info-text a { color: #666; font-size: 1rem; }

        /* --- FOOTER --- */
        .main-footer {
            background-color: var(--primary-color);
            color: #ecf0f1;
            padding-top: 4rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px 3rem;
        }

        .footer-col h3 {
            color: var(--white);
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-col h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--accent-color);
        }

        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: #bdc3c7; font-size: 0.9rem; transition: 0.3s; }
        .footer-links a:hover { color: var(--accent-color); padding-left: 5px; }

        .footer-bottom {
            background-color: #1a252f;
            padding: 20px;
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .social-links { margin-top: 1rem; }
        .social-links a {
            display: inline-flex;
            width: 35px;
            height: 35px;
            background: rgba(255,255,255,0.1);
            color: white;
            justify-content: center;
            align-items: center;
            border-radius: 50%;
            margin-right: 10px;
        }
        .social-links a:hover { background: var(--accent-color); }

        /* --- DİĞER --- */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: #25d366;
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 30px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
            z-index: 999;
        }

        .lightbox {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.95);
            z-index: 9999;
            justify-content: center;
            align-items: center;
        }
        .lightbox img { max-width: 90%; max-height: 90vh; border: 2px solid white; }
        .close-lightbox { position: absolute; top: 20px; right: 30px; color: white; font-size: 40px; cursor: pointer; }

        /* --- RESPONSIVE --- */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                right: 0;
                background: var(--white);
                width: 100%;
                padding: 20px 0;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            }
            .nav-links.active { display: flex; }
            .nav-links li { width: 100%; text-align: center; padding: 10px 0; }
            .hamburger { display: block; }
            .hero h1 { font-size: 2.5rem; }
            .hero-btn { width: 80%; }
        }