.form-section {
    padding: 20px 28px 28px;
}

.required-note {
    font-size: 12.5px;
    color: #e74c3c;
    margin-bottom: 18px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 13.5px;
    margin-bottom: 7px;
    color: #1a1a2e;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-group label .required {
    color: #e74c3c;
    margin-left: 2px;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #e0e0e0;
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    color: #2d2d2d;
    background: #fafafa;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    outline: none;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #e85d04;
    box-shadow: 0 0 0 3px rgba(232, 93, 4, 0.1);
    background: #ffffff;
}

.form-group input.error,
.form-group textarea.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.08);
}

/* ====== Radio Group (English Level) ====== */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 4px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    border: 1.5px solid #e0e0e0;
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: #fafafa;
    user-select: none;
}

.radio-option:hover {
    border-color: #e85d04;
    background: #fff5f0;
}

.radio-option.selected {
    border-color: #e85d04;
    background: #fff5f0;
}

.radio-option.selected label {
    color: #dc2f02;
    font-weight: 700;
    text-transform: none;
    letter-spacing: normal;
}

.radio-option input[type="radio"] {
    accent-color: #e85d04;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.radio-option label {
    font-size: 14px;
    font-weight: 500;
    color: #2d2d2d;
    cursor: pointer;
    text-transform: none;
    letter-spacing: normal;
    margin-bottom: 0;
}

.level-warning {
    display: none;
    background: linear-gradient(135deg, #fff3cd, #ffeeba);
    border: 1.5px solid #f0ad4e;
    border-radius: 10px;
    padding: 12px 14px;
    margin-top: 10px;
    font-size: 13.5px;
    color: #856404;
    line-height: 1.6;
}

.level-warning.show {
    display: block;
}

/* ====== Error messages ====== */
.error-message {
    display: none;
    color: #e74c3c;
    font-size: 12.5px;
    margin-top: 5px;
}

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

/* ====== Buttons ====== */
.buttons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: opacity 0.2s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-reset {
    background: #f0f0f0;
    color: #666;
    flex: 0 0 auto;
    font-size: 13px;
    font-weight: 600;
    padding: 14px 16px;
}

.btn-reset:hover {
    background: #e0e0e0;
}

.btn-submit {
    background: linear-gradient(135deg, #e85d04, #dc2f02);
    color: #ffffff;
}

.btn-submit:hover:not(:disabled) {
    opacity: 0.92;
}

.btn-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 1;
}