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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 600px;
    width: 100%;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}

.landing-screen, .quiz-screen {
    padding: 50px 40px;
}

.quiz-screen {
    display: none;
}

h1 {
    font-size: 2.5em;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.subtitle {
    font-size: 1.2em;
    color: #666;
    text-align: center;
    margin-bottom: 30px;
}

.benefits {
    margin: 30px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.benefit-item {
    padding: 15px 0;
    border-bottom: 1px solid #e0e0e0;
}

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

.benefit-item strong {
    color: #667eea;
}

.reviews-section {
    margin: 40px 0;
}

.reviews-section h2 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 2em;
}

.review-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    position: relative;
    border-left: 4px solid #667eea;
}

.review-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5em;
    font-weight: bold;
    margin-right: 15px;
}

.review-info h3 {
    margin: 0;
    font-size: 1.1em;
    color: #333;
}

.review-stars {
    color: #ffc107;
    font-size: 0.9em;
}

.review-text {
    color: #555;
    line-height: 1.6;
    font-style: italic;
}

.review-video {
    margin-top: 15px;
    text-align: center;
}

.review-video video {
    width: 100%;
    max-width: 300px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.cta-button {
    display: block;
    width: 100%;
    padding: 18px;
    font-size: 1.3em;
    font-weight: bold;
    color: white;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    margin-top: 30px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.cta-button-free {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    margin-top: 15px;
}

.cta-button-free:hover {
    box-shadow: 0 10px 30px rgba(40, 167, 69, 0.4);
}

.quiz-progress {
    height: 5px;
    background: #e0e0e0;
    border-radius: 5px;
    margin-bottom: 30px;
    overflow: hidden;
}

.quiz-progress-bar {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s;
    width: 0%;
}

.question {
    display: none;
}

.question.active {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.question h2 {
    font-size: 1.8em;
    color: #333;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    font-weight: 600;
    color: #555;
    margin-bottom: 10px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
input[type="file"] {
    width: 100%;
    padding: 12px;
    font-size: 1em;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus {
    outline: none;
    border-color: #667eea;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.file-upload-area {
    border: 2px dashed #667eea;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: background 0.3s;
}

.file-upload-area:hover {
    background: #f8f9fa;
}

.file-upload-area p {
    color: #667eea;
    font-weight: 600;
}

.uploaded-files {
    margin-top: 15px;
}

.file-item {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.remove-file {
    color: #dc3545;
    cursor: pointer;
    font-weight: bold;
}

.button-group {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    flex: 1;
    padding: 15px;
    font-size: 1.1em;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #e0e0e0;
    color: #555;
}

.btn-secondary:hover {
    background: #d0d0d0;
}

.price-display {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    margin: 20px 0;
}

.price-display h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
}

.price-display .price {
    font-size: 3em;
    font-weight: bold;
}

.summary-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.summary-item strong {
    color: #667eea;
}

.success-screen {
    display: none;
    text-align: center;
    padding: 50px 40px;
}

.success-icon {
    font-size: 4em;
    color: #28a745;
    margin-bottom: 20px;
}