.marathon-registration-form {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-progress {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.form-progress::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: #e0e0e0;
    z-index: 0;
}

.form-progress .step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.form-progress .step::before {
    content: '';
    display: block;
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    background: #e0e0e0;
    border-radius: 50%;
    line-height: 40px;
}

.form-progress .step.active::before {
    background: #3399cc;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-step h2 {
    margin-bottom: 30px;
    color: #333;
    font-size: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ff0000;
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.medical-question {
    margin-bottom: 25px;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 5px;
}

.medical-question.error {
    border: 2px solid #ff0000;
}

.medical-question label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #333;
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
}

.package-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.package-card {
    position: relative;
}

.package-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.package-card label {
    display: block;
    padding: 30px;
    border: 2px solid #ddd;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.package-card input[type="radio"]:checked + label {
    border-color: #3399cc;
    background: #f0f8ff;
}

.package-card h3 {
    margin: 0 0 10px;
    color: #333;
    font-size: 20px;
}

.package-card p {
    margin: 0 0 15px;
    color: #666;
}

.package-card .price {
    font-size: 24px;
    font-weight: bold;
    color: #3399cc;
}

.form-buttons {
    display: flex;
    gap: 15px;
    justify-content: space-between;
    margin-top: 30px;
}

button {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-next,
.btn-submit {
    background: #3399cc;
    color: #fff;
}

.btn-next:hover,
.btn-submit:hover {
    background: #2277aa;
}

.btn-prev {
    background: #e0e0e0;
    color: #333;
}

.btn-prev:hover {
    background: #ccc;
}

.success-message {
    text-align: center;
    padding: 60px 20px;
}

.success-message h2 {
    color: #28a745;
    font-size: 32px;
    margin-bottom: 20px;
}

.success-message p {
    font-size: 18px;
    color: #666;
}

@media (max-width: 768px) {
    .form-row,
    .package-selection {
        grid-template-columns: 1fr;
    }
    
    .marathon-registration-form {
        padding: 20px;
    }
}