* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: #121212;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    color: #FFFFFF;
    line-height: 1.6;
}

.form-container {
    width: 100%;
    max-width: 800px;
    background: #1E1E1E;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    position: relative;
    border: 1px solid #2A2A2A;
}

.progress-bar {
    height: 4px;
    background-color: #2A2A2A;
    width: 100%;
}

.progress {
    height: 100%;
    background: linear-gradient(135deg, #6C63FF 0%, #FF6584 100%);
    width: 0%;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.question-container {
    padding: 60px;
    min-height: 560px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.intro-container {
    text-align: center;
    padding: 80px 60px;
}

.intro-title {
    font-size: 42px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 24px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #6C63FF 0%, #FF6584 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-subtitle {
    font-size: 20px;
    color: #A3A3A3;
    margin-bottom: 48px;
    line-height: 1.6;
    font-weight: 400;
}

.question {
    margin-bottom: 40px;
}

.question-number {
    font-size: 14px;
    color: #A3A3A3;
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.question-text {
    font-size: 32px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 32px;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.option {
    padding: 20px 24px;
    border: 2px solid #2A2A2A;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 17px;
    font-weight: 500;
    color: #E0E0E0;
    background: #2A2A2A;
}

.option:hover {
    background-color: #363636;
    border-color: #6C63FF;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(108, 99, 255, 0.2);
}

.option.selected {
    background: linear-gradient(135deg, #6C63FF 0%, #FF6584 100%);
    color: #FFFFFF;
    border-color: #6C63FF;
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -10px rgba(108, 99, 255, 0.3);
}

.input-field {
    width: 100%;
    padding: 20px 24px;
    border: 2px solid #2A2A2A;
    border-radius: 16px;
    font-size: 17px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #2A2A2A;
    color: #FFFFFF;
    font-weight: 500;
}

.input-field:focus {
    outline: none;
    border-color: #6C63FF;
    background: #363636;
    box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.1);
    transform: translateY(-2px);
}

.input-field::placeholder {
    color: #A3A3A3;
    font-weight: 400;
}

.buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 48px;
    gap: 16px;
}

.btn {
    padding: 18px 36px;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.02em;
}

.btn-start {
    background: linear-gradient(135deg, #6C63FF 0%, #FF6584 100%);
    color: #FFFFFF;
    padding: 22px 60px;
    font-size: 18px;
    border-radius: 50px;
    margin-top: 24px;
    box-shadow: 0 20px 40px -10px rgba(108, 99, 255, 0.4);
}

.btn-start:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 30px 60px -15px rgba(108, 99, 255, 0.5);
}

.btn-prev {
    background: #2A2A2A;
    color: #E0E0E0;
    border: 2px solid #363636;
}

.btn-prev:hover {
    background: #363636;
    border-color: #6C63FF;
    transform: translateY(-2px);
}

.btn-next {
    background: linear-gradient(135deg, #6C63FF 0%, #FF6584 100%);
    color: #FFFFFF;
    box-shadow: 0 10px 25px -5px rgba(108, 99, 255, 0.3);
}

.btn-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -10px rgba(108, 99, 255, 0.4);
}

.btn-submit {
    background: linear-gradient(135deg, #6C63FF 0%, #FF6584 100%);
    color: #FFFFFF;
    box-shadow: 0 10px 25px -5px rgba(108, 99, 255, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -10px rgba(108, 99, 255, 0.4);
}

.hidden {
    display: none;
}

.error-message {
    color: #FF6584;
    font-size: 14px;
    margin-top: 12px;
    font-weight: 500;
}

.green-section {
    background: linear-gradient(135deg, #1A1A1A 0%, #2A1E2A 100%);
}

.green-section .question-text {
    color: #FFFFFF;
}

.green-section .option.selected {
    background: linear-gradient(135deg, #6C63FF 0%, #FF6584 100%);
}

@media (max-width: 768px) {

    .question-container,
    .intro-container {
        padding: 40px 24px;
    }

    .intro-title {
        font-size: 32px;
    }

    .question-text {
        font-size: 26px;
    }

    .btn {
        padding: 16px 24px;
        font-size: 16px;
    }

    .input-field,
    .option {
        padding: 18px 20px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 16px;
    }

    .question-container,
    .intro-container {
        padding: 32px 20px;
        min-height: 480px;
    }

    .intro-title {
        font-size: 28px;
    }

    .question-text {
        font-size: 22px;
    }

    .buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}