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

        body {
            font-family: 'Arial', sans-serif;
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        header {
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-size: 100px;
            font-weight: bold;
            color: #2c3e50;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: #3498db;
        }

        .cta-button {
            background: #3498db;
            color: white;
            padding: 10px 25px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            transition: background 0.3s;
        }

        .cta-button:hover {
            background: #2980b9;
        }

        /* Main Content */
        main {
            margin-top: 80px;
            padding: 2rem 0;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
            padding: 4rem 0;
            margin-bottom: 3rem;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 12px 30px;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary {
            background: #e74c3c;
            color: white;
        }

        .btn-primary:hover {
            background: #c0392b;
        }

        .btn-secondary {
            background: white;
            color: #333;
        }

        .btn-secondary:hover {
            background: #f8f9fa;
        }

        /* Features Grid */
        .features-section {
            padding: 3rem 0;
            background: white;
            margin-bottom: 2rem;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #2c3e50;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .feature-card {
            background: white;
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-5px);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .feature-card h3 {
            color: #2c3e50;
            margin-bottom: 1rem;
        }

        .feature-card p {
            color: #666;
            margin-bottom: 1.5rem;
        }

        .feature-btn {
            background: #3498db;
            color: white;
            padding: 8px 20px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 500;
            transition: background 0.3s;
        }

        .feature-btn:hover {
            background: #2980b9;
        }

        /* Services Tables */
        .services-section {
            padding: 3rem 0;
            background: #f8f9fa;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .service-table {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .service-table h3 {
            background: #34495e;
            color: white;
            padding: 1rem;
            text-align: center;
            margin: 0;
        }

        .service-list {
            padding: 1.5rem;
        }

        .service-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }

        .service-item:last-child {
            border-bottom: none;
        }

        .service-item span {
            color: #666;
        }

        .service-item button {
            background: #27ae60;
            color: white;
            border: none;
            padding: 5px 15px;
            border-radius: 3px;
            cursor: pointer;
            font-size: 0.9rem;
        }

        .service-item button:hover {
            background: #219a52;
        }

        /* FAQ Section */
        .faq-section {
            padding: 3rem 0;
            background: white;
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid #e0e0e0;
            border-radius: 5px;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .faq-question {
            background: #f8f9fa;
            padding: 1rem;
            cursor: pointer;
            font-weight: 500;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question:hover {
            background: #e9ecef;
        }




        /* Pricing Section */
        .pricing-section {
            padding: 3rem 0;
            background: #f8f9fa;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .pricing-card {
            background: #fff;
            padding: 24px;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 100%;
        }

        .card-footer {
            margin-top: auto;
            text-align: center;
        }

        .featured {
            border: 2px solid #3b82f6;
        }

        .pricing-card.featured {
            border: 3px solid #3498db;
        }

        .pricing-card.featured::before {
            content: "En Popüler";
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background: #3498db;
            color: white;
            padding: 5px 20px;
            border-radius: 15px;
            font-size: 0.9rem;
        }

        .pricing-card h3 {
            color: #2c3e50;
            margin-bottom: 1rem;
        }

        .price {
            font-size: 2.5rem;
            font-weight: bold;
            color: #e74c3c;
            margin-bottom: 1rem;
        }

        .price-period {
            font-size: 1rem;
            color: #666;
        }

        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 20px 0;
            flex-grow: 1;
        }

        .pricing-features li {
            padding: 6px 0;
            border-bottom: 1px solid #eee;
        }

        .pricing-features li:last-child {
            border-bottom: none;
        }

        /* Footer */
        footer {
            background: #2c3e50;
            color: white;
            padding: 3rem 0 1rem;
            margin-top: 3rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            margin-bottom: 1rem;
            color: #3498db;
        }

        .footer-section ul {
            list-style: none;
        }

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

        .footer-section ul li a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-section ul li a:hover {
            color: white;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #34495e;
            color: #bdc3c7;
        }


        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 1rem;
            opacity: 0;
            transition: all 0.3s ease;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 1rem;
            opacity: 1;
        }


        .pricing-card .badge {
            background-color: #ff9800;
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 10px;
            font-weight: 600;
            text-transform: uppercase;
        }

        .pricing-card .card-footer .note {
            margin-top: 8px;
            font-size: 0.75rem;
            color: #888;
            line-height: 1.4;
        }



        /* Modal Arka Plan */
        /* Modal için Özel Stiller (Eski CSS ile uyumlu) */
        /* Modal Stilleri */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(5px);
            animation: fadeIn 0.3s ease-out;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        .modal-content {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #fff;
            padding: 32px 40px;
            /* iç boşluk */
            border-radius: 16px;
            width: 90%;
            max-width: 600px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            line-height: 1.6;
            /* satır aralığı */
            font-size: 16px;
            color: #333;
        }

        @keyframes slideIn {
            from {
                transform: translateY(-50px);
                opacity: 0;
            }

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

        .modal-header {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
            color: white;
            padding: 16px;
            border-radius: 12px 12px 0 0;
            position: relative;
        }

        .close {
            position: absolute;
            right: 12px;
            top: 12px;
            color: white;
            font-size: 24px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .close:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(90deg);
        }

        .tabs {
            display: flex;
            margin-top: 12px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 4px;
        }

        .tab-button {
            flex: 1;
            padding: 8px 12px;
            background: transparent;
            border: none;
            color: white;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            border-radius: 6px;
            transition: all 0.3s ease;
        }

        .tab-button.active {
            background: white;
            color: #4f46e5;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
        }

        .modal-body {
            padding: 20px;
        }

        .form {
            display: none;
        }

        .form.active {
            display: block;
        }

        .form h3 {
            color: #1f2937;
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 16px;
            text-align: center;
        }

        .form-row {
            display: flex;
            gap: 12px;
            margin-bottom: 16px;
        }

        .form-group {
            flex: 1;
            margin-bottom: 12px;
        }

        label {
            display: block;
            margin-bottom: 6px;
            color: #374151;
            font-weight: 500;
            font-size: 13px;
        }

        input[type="text"],
        input[type="email"],
        input[type="tel"],
        input[type="password"] {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid #e5e7eb;
            border-radius: 6px;
            font-size: 13px;
            transition: all 0.3s ease;
            background: #f9fafb;
        }

        input[type="text"]:focus,
        input[type="email"]:focus,
        input[type="tel"]:focus,
        input[type="password"]:focus {
            outline: none;
            border-color: #4f46e5;
            background: white;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        .password-container {
            position: relative;
        }

        .password-toggle {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            font-size: 16px;
            color: #6b7280;
        }

        .forgot-password {
            color: #4f46e5;
            text-decoration: none;
            font-size: 13px;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .forgot-password:hover {
            color: #7c3aed;
        }

        .form-footer {
            text-align: right;
            margin-bottom: 16px;
        }

        .error-message {
            color: #dc2626;
            font-size: 11px;
            margin-top: 4px;
            display: none;
        }

        .error-message.show {
            display: block;
        }

        input.error {
            border-color: #dc2626;
        }

        /* KVKK Stilleri */
        .kvkk-container {
            margin: 16px 0;
            padding: 12px;
            background: #f8fafc;
            border-radius: 8px;
            border: 1px solid #e2e8f0;
        }

        .kvkk-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 12px;
            gap: 8px;
        }

        .kvkk-item:last-child {
            margin-bottom: 0;
        }

        .kvkk-item input[type="checkbox"] {
            margin-top: 2px;
            width: 16px;
            height: 16px;
            cursor: pointer;
        }

        .kvkk-item label {
            font-size: 12px;
            line-height: 1.4;
            color: #4b5563;
            cursor: pointer;
            margin-bottom: 0;
        }

        .kvkk-item a {
            color: #4f46e5;
            text-decoration: none;
            font-weight: 500;
        }

        .kvkk-item a:hover {
            text-decoration: underline;
        }

        /* Buton Stilleri */
        button[type="submit"] {
            width: 100%;
            padding: 12px;
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 16px;
        }

        button[type="submit"]:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
        }

        button[type="submit"]:active {
            transform: translateY(0);
        }

        .login-redirect {
            text-align: center;
            margin-top: 16px;
            color: #6b7280;
            font-size: 13px;
        }

        .login-redirect a {
            color: #4f46e5;
            text-decoration: none;
            font-weight: 500;
        }

        .login-redirect a:hover {
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 480px) {
            .modal-content {
                width: 95%;
                margin: 10% auto;
                max-height: 90vh;
            }

            .modal-body {
                padding: 16px;
            }

            .form-row {
                flex-direction: column;
                gap: 0;
            }
        }

        /* Loading Animation */
        .loading {
            opacity: 0.7;
            pointer-events: none;
        }

        .loading::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 18px;
            height: 18px;
            border: 2px solid #ffffff;
            border-top: 2px solid transparent;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            transform: translate(-50%, -50%);
        }

        @keyframes spin {
            0% {
                transform: translate(-50%, -50%) rotate(0deg);
            }

            100% {
                transform: translate(-50%, -50%) rotate(360deg);
            }
        }






        .modal {
            display: none;
            position: fixed;
            z-index: 999;
            padding-top: 80px;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.4);
        }




        .close {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
        }

        .close:hover {
            color: #000;
        }



        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .pricing-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }
        }


        .service-item {
            display: flex;
            align-items: center;
            padding: 8px 0;
        }

        .service-item i {
            margin-right: 10px;
            color: #2c3e50;
            width: 20px;
            min-width: 20px;
            /* İkonların hizası bozulmasın */
            text-align: center;
        }

        .service-item span {
            flex-grow: 1;
            color: #333;
            font-size: 16px;
        }