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

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 700px;
    margin: 0 auto;
    padding: 60px 40px;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background-color: #fff;
    padding: 50px 60px;
    max-width: 600px;
    border: 2px solid #800020;
}

.modal h1 {
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    margin-bottom: 30px;
    color: #800020;
    letter-spacing: 0.1em;
}

.modal p {
    margin-bottom: 20px;
    color: #555;
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    letter-spacing: 0.1em;
}

.modal ul {
    margin: 20px 0 30px 20px;
    color: #555;
}

.modal li {
    margin-bottom: 10px;
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    letter-spacing: 0.1em;
}

.btn {
    background-color: #800020;
    color: #fff;
    border: none;
    padding: 14px 40px;
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: background-color 0.2s;
    letter-spacing: 0.1em;
}

.btn:hover {
    background-color: #600018;
}

/* Header */
header {
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid #ddd;
}

h1 {
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    margin-bottom: 20px;
    color: #800020;
    letter-spacing: 0.1em;
}

.intro-text {
    color: #666;
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    line-height: 1.8;
    margin-bottom: 15px;
    letter-spacing: 0.1em;
}

/* Questions */
.question-block {
    margin-bottom: 50px;
}

.question-label {
    display: flex;
    margin-bottom: 12px;
    color: #333;
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    letter-spacing: 0.1em;
}

.question-number {
    color: #800020;
    font-weight: 400;
    font-size: 14px;
    margin-right: 8px;
    flex-shrink: 0;
}

textarea {
    width: 100%;
    min-height: 100px;
    padding: 15px;
    border: 1px solid #ccc;
    font-family: inherit;
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    line-height: 1.6;
    resize: vertical;
    background-color: #fff;
    color: #333;
    transition: border-color 0.2s;
    letter-spacing: 0.1em;
}

textarea:focus {
    outline: none;
    border-color: #800020;
}

/* Submission Options */
.submission-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid #ddd;
}

.submission-section h2 {
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    margin-bottom: 25px;
    color: #333;
    letter-spacing: 0.1em;
}

.option-group {
    margin-bottom: 30px;
}

.radio-option {
    margin-bottom: 15px;
}

.radio-option input[type="radio"] {
    margin-right: 10px;
}

.radio-option label {
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    color: #555;
    cursor: pointer;
    letter-spacing: 0.1em;
}

/* Email Section */
.email-section {
    margin: 15px 0 20px 28px;
    display: none;
}

.email-section.visible {
    display: block;
}

input[type="email"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    font-family: inherit;
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    background-color: #fff;
    letter-spacing: 0.1em;
}

input[type="email"]:focus {
    outline: none;
    border-color: #800020;
}

.submit-btn {
    margin-top: 30px;
}

/* Footer */
footer {
    margin-top: 80px;
    padding-top: 30px;
    border-top: 1px solid #ddd;
    text-align: center;
    color: #999;
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    letter-spacing: 0.1em;
}

/* Thank you message */
.thank-you {
    display: none;
    text-align: center;
    padding: 60px 20px;
}

.thank-you.visible {
    display: block;
}

.thank-you h2 {
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    color: #800020;
    margin-bottom: 20px;
    letter-spacing: 0.1em;
}

.thank-you p {
    color: #666;
    font-size: 14.4px; /* 12 * 1.2 */
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
    line-height: 1.8;
}

.thank-you a {
    color: #800020;
    text-decoration: underline;
}

.coupon-code {
    display: inline-block;
    background-color: #f0f0f0;
    border: 1px solid #800020;
    color: #800020;
    padding: 2px 10px;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.main-content.hidden {
    display: none;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
    }

    .modal-content {
        padding: 30px 25px;
        margin: 20px;
        max-width: calc(100% - 40px);
    }

    .modal h1 {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .modal p,
    .modal li {
        font-size: 13px;
    }

    h1 {
        font-size: 13px;
    }

    .intro-text,
    .question-label,
    textarea,
    input[type="email"],
    .radio-option label,
    .submission-section h2,
    footer,
    .thank-you h2,
    .thank-you p {
        font-size: 13px;
    }

    .btn {
        font-size: 13px;
        padding: 12px 30px;
    }

    .question-block {
        margin-bottom: 35px;
    }

    header {
        margin-bottom: 35px;
    }

    .submission-section {
        margin-top: 40px;
        padding-top: 30px;
    }

    footer {
        margin-top: 50px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 20px 15px;
    }

    .modal-content {
        padding: 25px 20px;
        margin: 15px;
        max-width: calc(100% - 30px);
    }

    .modal h1 {
        font-size: 12px;
        margin-bottom: 15px;
    }

    .modal p,
    .modal li {
        font-size: 12px;
        letter-spacing: 0.08em;
    }

    h1 {
        font-size: 12px;
    }

    .intro-text,
    .question-label,
    textarea,
    input[type="email"],
    .radio-option label,
    .submission-section h2,
    footer,
    .thank-you h2,
    .thank-you p {
        font-size: 12px;
        letter-spacing: 0.08em;
    }

    .btn {
        font-size: 12px;
        padding: 10px 25px;
        width: 100%;
    }

    .question-number {
        font-size: 12px;
    }

    textarea {
        min-height: 80px;
        padding: 12px;
    }

    .email-section {
        margin-left: 20px;
    }

    .submit-btn {
        margin-top: 25px;
    }
}