body {
            font-family: 'Quicksand', 'Montserrat', Arial, sans-serif;
            background: linear-gradient(135deg, #e7ecff 0%, #e9ffe9 100%);
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        .main-header {
            background: linear-gradient(90deg, #0a0a0a 0%, #000000 100%);
            color: #fff;
            padding: 48px 0 32px 0;
            text-align: center;

            box-shadow: 0 8px 32px rgba(13, 110, 253, 0.08);
        }

        .main-header h1 {

            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .main-header p {
            font-size: 1.3rem;
            font-weight: 500;
            margin-bottom: 0;
        }

        .main-hero {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 48px;
            margin: 48px auto 0 auto;
            max-width: 1200px;
            padding: 0 24px;
        }

        .main-hero-img {
            flex: 1 1 320px;
            min-width: 320px;
            max-width: 420px;
            text-align: center;
        }

        .main-hero-img img {
            width: 100%;
            max-width: 380px;
            border-radius: 30px;
            box-shadow: 0 8px 32px #0d6efd22;
            border: 4px solid #fff;
        }

        .main-hero-content {
            flex: 2 1 400px;
            min-width: 340px;
        }

        .main-hero-content h2 {
            font-size: 2.1rem;
            font-weight: 700;
            color: #0d6efd;
            margin-bottom: 18px;
        }

        .main-hero-content ul {
            font-size: 1.15rem;
            color: #333;
            margin-bottom: 24px;
        }

        .main-hero-content ul li {
            margin-bottom: 10px;
            font-weight: 500;
        }

        .main-hero-content .btn-group {
            gap: 18px;
        }

        .feature-section {
            background: #fff;
            border-radius: 24px;
            box-shadow: 0 4px 24px #0d6efd11;
            margin: 48px auto 50px auto;
            max-width: 1300px;
            padding: 36px 24px;
        }

        .feature-section h3 {
            color: #4caf50;
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 24px;
            text-align: center;
        }

        .feature-list {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: center;
        }

        .feature-item {
            background: linear-gradient(120deg, #e7ecff 60%, #e9ffe9 100%);
            border-radius: 16px;
            box-shadow: 0 2px 12px #0d6efd11;
            padding: 24px 18px;
            flex: 1 1 260px;
            min-width: 300px;
            max-width: 340px;
            text-align: center;
        }

        .feature-item i {
            font-size: 2.2rem;
            color: #0d6efd;
            margin-bottom: 12px;
        }

        .feature-item h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #155724;
        }

        .feature-item p {
            font-size: 1rem;
            color: #444;
        }

        .bottom-bar {
            margin-top: 48px;
            background: linear-gradient(to right, #100f0f, #323131);
            color: #fff;
            font-weight: bold;
            font-size: 1rem;
            text-align: center;
            padding: 18px 0 10px 0;

        }

        @media (max-width: 900px) {
            .main-hero {
                flex-direction: column;
                gap: 32px;
            }

            .feature-list {
                flex-direction: column;
                gap: 18px;
            }
        }

        .main-hero-img .carousel-inner {
            width: 320px !important;
            height: 320px !important;
            border-radius: 20px;
            overflow: hidden;
            background: #f4f8fb;
            box-shadow: 0 8px 32px #0d6efd22;
            border: 4px solid #fff;
            margin: auto;
        }

        .main-hero-img img {
            width: 100% !important;
            height: 100% !important;
            aspect-ratio: 1/1;
            object-fit: cover;
            border-radius: 20px;
            transition: all 0.6s cubic-bezier(.4, 0, .2, 1);
            background: #f4f8fb;
        }

        .carousel-item {
            transition: transform 1s cubic-bezier(.4, 0, .2, 1);
        }

        /* Önceki ve Sonraki buton arka planı ve ikon rengi */
        .carousel-control-prev-icon,
        .carousel-control-next-icon {
            background-color: #0d6efd;
            /* Mavi arka plan */
            border-radius: 50%;
            background-size: 60% 60%;
            background-position: center;
            background-repeat: no-repeat;
        }

        .carousel-control-prev-icon {
            /* İsterseniz farklı renk de verebilirsiniz */
            /* background-color: #28a745; */
        }

        .carousel-control-next-icon {
            /* background-color: #dc3545; */
        }

        /* Butonun kendisi için (daha büyük tıklama alanı ve şeffaflık) */
        .carousel-control-prev,
        .carousel-control-next {

            opacity: 0.85;
            transition: opacity 0.2s;
        }

        .carousel-control-prev:hover,
        .carousel-control-next:hover {
            opacity: 1;
        }

        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 20px 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            flex: 1;
            min-width: 200px;
        }

        .btn i {
            margin-right: 8px;
            font-size: 18px;
        }

        .btn-success {
            background-color: #28a745;
            color: white;
        }

        .btn-primary {
            background-color: #007bff;
            color: white;
        }

        .btn-info {
            background-color: #17a2b8;
            color: white;
        }

        .btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        @media (max-width: 768px) {
            .btn {
                flex: 100%;
            }
        }

        .fade-in {
            opacity: 0;
            animation: fadeIn 0.7s ease-in-out forwards;
        }

        @keyframes fadeIn {
            to {
                opacity: 1;
            }
        }