* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Poppins', sans-serif;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            position: relative;
            overflow-x: hidden;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        #particles-js {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 0;
        }
        .feedback-container {
            background-color: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            padding: 30px;
            width: 100%;
            max-width: 500px;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
        }
        @media (max-width: 600px) {
            .feedback-container {
                padding: 20px;
            }
        }
        .feedback-container:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
        }
        h1 {
            color: #4a4a4a;
            text-align: center;
            margin-bottom: 30px;
            font-size: 2em;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
        }
        @media (max-width: 600px) {
            h1 {
                font-size: 1.5em;
            }
        }
        .question {
            margin-bottom: 30px;
            display: none;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.5s ease;
        }
        .question.active {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }
        .question h2 {
            color: #4a4a4a;
            margin-bottom: 15px;
            font-size: 1.2em;
        }
        @media (max-width: 600px) {
            .question h2 {
                font-size: 1em;
            }
        }
        input[type="text"], textarea, select {
            width: 100%;
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s ease;
            background-color: rgba(255, 255, 255, 0.8);
        }
        @media (max-width: 600px) {
            input[type="text"], textarea, select {
                font-size: 14px;
                padding: 10px;
            }
        }
        input[type="text"]:focus, textarea:focus, select:focus {
            border-color: #667eea;
            box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
            background-color: #fff;
        }
        .progress-container {
            width: 100%;
            height: 10px;
            background-color: rgba(224, 224, 224, 0.5);
            border-radius: 5px;
            margin-bottom: 20px;
            overflow: hidden;
        }
        .progress-bar {
            height: 100%;
            background-color: #667eea;
            border-radius: 5px;
            width: 0;
            transition: width 0.5s ease;
        }
        .button-container {
            display: flex;
            justify-content: space-between;
            margin-top: 20px;
        }
        .btn {
            background-color: #667eea;
            color: white;
            border: none;
            padding: 12px 20px;
            font-size: 16px;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        @media (max-width: 600px) {
            .btn {
                padding: 10px 15px;
                font-size: 14px;
            }
        }
        .btn:hover {
            background-color: #764ba2;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(118, 75, 162, 0.4);
        }
        .btn-back {
            background-color: #f0f0f0;
            color: #4a4a4a;
        }
        .btn-back:hover {
            background-color: #e0e0e0;
        }
        .hidden {
            display: none;
        }
        .instruction {
            text-align: center;
            color: #7f8c8d;
            margin-top: 10px;
            font-size: 14px;
        }
        @media (max-width: 600px) {
            .instruction {
                font-size: 12px;
            }
        }
        #nextBtn {
            margin-left: auto;
        }
        .rating-group {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 20px;
        }
        .rating-group input[type="radio"] {
            display: none;
        }
        .rating-group label {
            cursor: pointer;
        }
        .rating-group span {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            font-size: 20px;
            font-weight: bold;
            color: #4a4a4a;
            background: linear-gradient(145deg, #f0f0f0, #ffffff);
            box-shadow: 5px 5px 10px #d9d9d9, -5px -5px 10px #ffffff;
            transition: all 0.3s ease;
        }
        @media (max-width: 600px) {
            .rating-group span {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
        }
        .rating-group label:hover span {
            transform: translateY(-5px);
            box-shadow: 8px 8px 15px #d9d9d9, -8px -8px 15px #ffffff;
        }
        .rating-group input[type="radio"]:checked + span {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.5);
        }
        .checkbox-group {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
        @media (max-width: 600px) {
            .checkbox-group {
                grid-template-columns: 1fr;
            }
        }
        .checkbox-group label {
            position: relative;
            display: flex;
            align-items: center;
            padding: 12px 15px;
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            border-radius: 15px;
            box-shadow: 5px 5px 10px #d9d9d9, -5px -5px 10px #ffffff;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .checkbox-group label:hover {
            transform: translateY(-3px);
            box-shadow: 8px 8px 15px #d9d9d9, -8px -8px 15px #ffffff;
        }
        .checkbox-group input[type="checkbox"] {
            display: none;
        }
        .checkbox-group .checkbox-custom {
            width: 25px;
            height: 25px;
            border: 2px solid #667eea;
            border-radius: 8px;
            margin-right: 15px;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: all 0.3s ease;
        }
        .checkbox-group input[type="checkbox"]:checked + .checkbox-custom::after {
            content: '\2714';
            color: white;
            font-size: 16px;
        }
        .checkbox-group input[type="checkbox"]:checked + .checkbox-custom {
            background-color: #667eea;
        }
        .checkbox-group label span {
            font-weight: 500;
            color: #4a4a4a;
            font-size: 14px;
        }
        #digerFeatureText {
            margin-top: 15px;
            width: 100%;
            display: none;
        }
        .slider-container {
            width: 100%;
            margin-top: 30px;
            padding: 20px;
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            border-radius: 20px;
            box-shadow: 5px 5px 10px #d9d9d9, -5px -5px 10px #ffffff;
        }
        .slider {
            -webkit-appearance: none;
            width: 100%;
            height: 15px;
            border-radius: 10px;
            background: linear-gradient(to right, #667eea 0%, #667eea 50%, #e0e0e0 50%, #e0e0e0 100%);
            outline: none;
            opacity: 0.8;
            transition: all 0.3s ease;
        }
        .slider:hover {
            opacity: 1;
        }
        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            cursor: pointer;
            box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
            transition: all 0.3s ease;
        }
        .slider::-moz-range-thumb {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            cursor: pointer;
            box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
            transition: all 0.3s ease;
        }
        .slider::-webkit-slider-thumb:hover,
        .slider::-moz-range-thumb:hover {
            transform: scale(1.1);
            box-shadow: 0 0 20px rgba(102, 126, 234, 0.7);
        }
        #ratingValue {
            text-align: center;
            font-size: 36px;
            font-weight: bold;
            margin-top: 15px;
            color: #667eea;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        @media (max-width: 600px) {
            #ratingValue {
                font-size: 28px;
            }
        }
        .error-message {
            background-color: #ffebee;
            color: #c62828;
            padding: 15px;
            border-radius: 10px;
            margin-top: 20px;
            text-align: center;
            font-weight: bold;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }

        /* Header için yeni CSS */
        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 15px 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
        }

        .logo {
            color: #ffffff;
            font-size: 24px;
            font-weight: bold;
            text-decoration: none;
        }

        .nav-menu {
            display: flex;
            list-style-type: none;
        }

        .nav-menu li {
            margin-left: 20px;
        }

        .nav-menu a {
            color: #ffffff;
            text-decoration: none;
            font-weight: 500;
            transition: opacity 0.3s ease;
        }

        .nav-menu a:hover {
            opacity: 0.8;
        }

        .menu-toggle {
            display: none;
            color: #ffffff;
            font-size: 24px;
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
                flex-direction: column;
                padding: 20px;
            }

            .nav-menu.active {
                display: flex;
            }

            .nav-menu li {
                margin: 10px 0;
            }

            .menu-toggle {
                display: block;
            }
        }

        /* Mevcut içeriği aşağı kaydırmak için */
        body {
            padding-top: 80px;
        }

        .feedback-container {
            margin-top: 20px;
        }

        .cookie-consent {
            display: none;
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 90%;
            max-width: 400px;
            background-color: #ffffff;
            color: #333333;
            text-align: center;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            z-index: 9999;
            font-family: Arial, sans-serif;
          }
          
          .cookie-content {
            display: flex;
            flex-direction: column;
            align-items: center;
          }
          
          .cookie-content p {
            margin-bottom: 15px;
            font-size: 14px;
            line-height: 1.5;
          }
          
          .cookie-link {
            color: #ff0000;
            text-decoration: none;
            font-weight: bold;
          }
          
          .cookie-link:hover {
            text-decoration: underline;
          }
          
          .cookie-button {
            background-color: #ff0000;
            color: white;
            border: none;
            padding: 10px 20px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            font-size: 16px;
            margin: 4px 2px;
            cursor: pointer;
            border-radius: 4px;
            transition: background-color 0.3s ease;
          }
          
          .cookie-button:hover {
            background-color: #b30600;
          }
          
          @media screen and (max-width: 768px) {
            .cookie-consent {
              bottom: 0;
              left: 0;
              right: 0;
              width: 100%;
              max-width: none;
              border-radius: 0;
              transform: none;
              padding: 15px;
            }
          
            .cookie-content p {
              font-size: 13px;
            }
          
            .cookie-button {
              width: 100%;
              padding: 12px;
              font-size: 14px;
            }
          }