:root {
            --primary-blue: #0f172a; 
            --primary-green: #10b981; 
            --accent-red: #e74c3c;
            --text-dark: #334155;
            --text-muted: #64748b;
            --bg-light: #f8f9fa;
            --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
        }

        body {
            font-family: 'Poppins', sans-serif;
            color: var(--text-dark);
            background-color: #ffffff;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-green);
        }

        /* =========================================
           TOP BAR & NAVBAR
           ========================================= */
        .top-bar {
            background-color: var(--primary-blue);
            color: #ffffff;
            font-size: 0.85rem;
            padding: 8px 0;
        }
        .top-bar a { color: #ffffff; margin-left: 15px; opacity: 0.8; }
        .top-bar a:hover { opacity: 1; color: var(--primary-green); }

        .navbar {
            padding: 15px 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
            background: #fff;
        }
        .nav-link {
            font-weight: 500;
            color: var(--primary-blue) !important;
            margin: 0 10px;
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0;
            width: 0; height: 2px;
            background-color: var(--primary-green);
            transition: var(--transition);
        }
        .nav-link:hover::after { width: 100%; }

        /* =========================================
           PREMIUM SLIDER (HERO)
           ========================================= */
        .hero-slider {
            position: relative;
            height: 85vh;
            min-height: 600px;
            background-color: var(--primary-blue);
        }
        .carousel-item {
            height: 85vh;
            min-height: 600px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }
        .carousel-item::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(to right, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.3) 100%);
            z-index: 1;
        }
        .carousel-caption {
            position: absolute;
            top: 50%; transform: translateY(-50%);
            bottom: auto; left: 0; right: 0;
            z-index: 2;
            text-align: left;
            padding: 0;
        }
        .slide-subtitle {
            display: inline-block;
            font-weight: 600;
            letter-spacing: 3px;
            color: var(--primary-green);
            text-transform: uppercase;
            background: rgba(16, 185, 129, 0.1);
            padding: 8px 20px;
            border-radius: 50px;
            margin-bottom: 20px;
            opacity: 0; transform: translateY(30px);
        }
        .slide-title {
            font-size: 4.5rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.1;
            margin-bottom: 20px;
            opacity: 0; transform: translateY(30px);
            text-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .slide-text {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 40px;
            max-width: 600px;
            opacity: 0; transform: translateY(30px);
        }
        .slide-buttons { opacity: 0; transform: translateY(30px); }

        .carousel-item.active .slide-subtitle { animation: fadeUp 0.8s ease forwards 0.2s; }
        .carousel-item.active .slide-title { animation: fadeUp 0.8s ease forwards 0.4s; }
        .carousel-item.active .slide-text { animation: fadeUp 0.8s ease forwards 0.6s; }
        .carousel-item.active .slide-buttons { animation: fadeUp 0.8s ease forwards 0.8s; }

        @keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

        .custom-carousel-control {
            width: 60px; height: 60px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 50%;
            top: 50%; transform: translateY(-50%);
            opacity: 0.7; transition: var(--transition);
        }
        .custom-carousel-control:hover { background: var(--primary-green); border-color: var(--primary-green); opacity: 1; }
        .carousel-control-prev { left: 40px; }
        .carousel-control-next { right: 40px; }

        .slider-bottom-shape {
            position: absolute; bottom: 0; left: 0; width: 100%;
            overflow: hidden; line-height: 0; z-index: 3;
        }
        .slider-bottom-shape svg { display: block; width: calc(100% + 1.3px); height: 60px; }
        .slider-bottom-shape .shape-fill { fill: #f8f9fa; } 

        /* =========================================
           ORTAK BUTON STİLLERİ
           ========================================= */
        .btn-premium {
            padding: 15px 35px;
            font-weight: 600;
            border-radius: 4px;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-green { background: var(--primary-green); color: #fff; border: 2px solid var(--primary-green); }
        .btn-green:hover { background: transparent; color: var(--primary-green); }
        .btn-outline-white { background: transparent; color: #fff; border: 2px solid #fff; }
        .btn-outline-white:hover { background: #fff; color: var(--primary-blue); }

        /* =========================================
           ÜRÜNLER BÖLÜMÜ
           ========================================= */
        .section-title { text-align: center; margin-bottom: 50px; }
        .section-title h2 {
            font-weight: 800;
            color: var(--primary-blue);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        .section-title h2::after {
            content: '';
            width: 60px; height: 4px;
            background: var(--primary-green);
            position: absolute; bottom: 0; left: 50%;
            transform: translateX(-50%); border-radius: 3px;
        }

        .modern-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(0,0,0,0.03);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            height: 100%;
            display: flex; flex-direction: column;
        }
        .modern-card:hover { transform: translateY(-10px); box-shadow: var(--card-shadow-hover); }
        .modern-card img { width: 100%; height: 220px; object-fit: cover; }
        .modern-card .card-body { padding: 30px 25px; flex-grow: 1; display: flex; flex-direction: column; }
        .modern-card h5 { font-weight: 700; color: var(--primary-blue); margin-bottom: 15px; }
        .modern-card p { color: var(--text-muted); font-size: 0.95rem; flex-grow: 1; }
        
        .btn-link-custom {
            color: var(--primary-green);
            font-weight: 600; text-transform: uppercase;
            font-size: 0.85rem; letter-spacing: 1px;
            display: inline-flex; align-items: center; gap: 5px;
            margin-top: auto;
        }
        .btn-link-custom i { transition: var(--transition); }
        .btn-link-custom:hover i { transform: translateX(5px); }

        /* =========================================
           NEDEN BİZ? BÖLÜMÜ (DÜZELTİLDİ)
           ========================================= */
        .why-us-section { 
            padding: 100px 0; 
            background-color: #ffffff; 
            overflow: hidden; /* Dışarı taşmaları engeller */
        }
        .why-us-content h6 {
            color: var(--primary-green);
            font-weight: 700; letter-spacing: 2px;
            text-transform: uppercase; margin-bottom: 15px;
        }
        .why-us-content h2 { font-size: 2.8rem; font-weight: 800; color: var(--primary-blue); line-height: 1.2; margin-bottom: 25px; }
        .why-us-content p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 30px; }

        /* Kartlardaki height:100% kaldırıldı, esneme sorunu çözüldü */
        .feature-card-modern {
            background: #ffffff;
            border-radius: 16px; 
            padding: 35px 30px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.04);
            border: 1px solid rgba(0,0,0,0.04);
            transition: var(--transition);
            position: relative; overflow: hidden; z-index: 1;
        }
        .feature-card-modern::after {
            content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
            background: var(--primary-green);
            transform: scaleX(0); transform-origin: left; transition: var(--transition); z-index: 2;
        }
        .feature-card-modern:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0,0,0,0.08); }
        .feature-card-modern:hover::after { transform: scaleX(1); }
        
        .feature-icon-wrapper {
            width: 60px; height: 60px; border-radius: 14px;
            background: rgba(16, 185, 129, 0.1); color: var(--primary-green);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.8rem; margin-bottom: 20px; transition: var(--transition);
        }
        .feature-card-modern:hover .feature-icon-wrapper { background: var(--primary-green); color: #ffffff; border-radius: 50%; transform: rotateY(180deg); }
        .feature-card-modern h4 { font-size: 1.2rem; font-weight: 700; color: var(--primary-blue); margin-bottom: 12px; }
        .feature-card-modern p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 0; line-height: 1.6; }

        /* =========================================
           HAKKIMIZDA & İLETİŞİM BANNERS
           ========================================= */
        .split-banner { padding: 100px 0; background-color: var(--bg-light); }
        .banner-box {
            padding: 60px 50px; border-radius: 20px; color: #fff;
            height: 100%; position: relative; overflow: hidden;
            display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
        }
        .banner-box.about {
            background: linear-gradient(to right, rgba(15,23,42,0.9), rgba(15,23,42,0.6)), url('https://images.unsplash.com/photo-1552664730-d307ca884978?auto=format&fit=crop&w=800&q=80') center/cover;
        }
        .banner-box.contact { background: var(--primary-blue); }

        /* =========================================
           İLETİŞİM FORMU & FOOTER
           ========================================= */
        .contact-strip {
            background: #fff; border-radius: 16px; padding: 40px;
            box-shadow: 0 -10px 40px rgba(0,0,0,0.06);
            position: relative; z-index: 10; margin-bottom: -60px; 
        }
        footer { background: #f1f5f9; padding: 120px 0 30px 0; color: var(--text-dark); }
        footer h5 { font-weight: 700; color: var(--primary-blue); margin-bottom: 20px; }
        footer ul li { margin-bottom: 10px; }
        footer ul li a { color: var(--text-muted); }
        footer ul li a:hover { color: var(--primary-green); padding-left: 5px; }

        /* RESPONSIVE AYARLAR */
        @media (max-width: 991px) {
            .slide-title { font-size: 3rem; }
            .carousel-control-prev, .carousel-control-next { display: none; }
            .banner-box { padding: 40px 30px; }
        }