@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #4C84FF;
    --success-color: #10b981;
    --background-color: #f5f5f5;
    --text-primary: #333;
    --text-secondary: #666;
    --border-color: #e0e0e0;
}

* {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 80%;
}

body {
    background: var(--background-color);
    padding: 4rem 2rem;
}

.container {
    max-width: 90rem;
    margin: 0 auto;
}

h1 {
    font-size: 3rem;
    color: var(--text-primary);
    margin-bottom: 3rem;
    text-align: center;
}

.stepper-wrapper {
    background: #fff;
    border-radius: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 3rem;
}

/* Stepper Header */
.stepper-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4rem;
    position: relative;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 2;
}

.step-circle {
    width: 6rem;
    height: 6rem;
    border-radius: 50%;
    background: #e0e0e0;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    transition: all 0.3s ease;
}

.step.active .step-circle {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 0 0 4px rgba(76, 132, 255, 0.2);
    transform: scale(1.1);
}

.step.completed .step-circle {
    background: var(--success-color);
    color: #fff;
}

.step-label {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.step.completed .step-label {
    color: var(--success-color);
}

.step-line {
    flex: 1;
    height: 3px;
    background: #e0e0e0;
    position: relative;
    margin: 0 1rem;
    transition: all 0.5s ease;
}

.step-line.completed {
    background: var(--success-color);
}

/* Stepper Content */
.stepper-content {
    position: relative;
    min-height: 45rem;
}

.step-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

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

.step-content h2 {
    font-size: 2.4rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.step-description {
    font-size: 1.6rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* Form Groups */
.form-group {
    margin-bottom: 2.5rem;
}

.form-group label {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1.2rem 1.5rem;
    font-size: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 0.8rem;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 132, 255, 0.1);
}

.form-group small {
    display: block;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.form-group textarea {
    resize: vertical;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    width: 2rem;
    height: 2rem;
    cursor: pointer;
}

/* Summary Cards */
.summary-card {
    background: #f8f9fa;
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
}

.summary-card h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid #e0e0e0;
    font-size: 1.5rem;
}

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

.summary-item strong {
    color: var(--text-primary);
}

.summary-item span {
    color: var(--text-secondary);
}

/* Success Message */
.success-message {
    display: none;
    text-align: center;
    padding: 4rem;
}

.success-message.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    font-size: 8rem;
    color: var(--success-color);
    margin-bottom: 2rem;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.success-message h2 {
    font-size: 2.8rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.success-message p {
    font-size: 1.6rem;
    color: var(--text-secondary);
}

/* Navigation Buttons */
.stepper-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    gap: 2rem;
}

.btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 3rem;
    font-size: 1.6rem;
    font-weight: 600;
    border: none;
    border-radius: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
    flex: 1;
}

.btn-primary:hover {
    background: #3b72e8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 132, 255, 0.4);
}

.btn-secondary {
    background: #f8f9fa;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: #e9ecef;
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Responsive */
@media (max-width: 768px) {
    html {
        font-size: 70%;
    }

    .stepper-header {
        flex-wrap: wrap;
    }

    .step-line {
        display: none;
    }

    .step {
        flex: 1;
        min-width: 45%;
    }

    .stepper-navigation {
        flex-direction: column;
    }
}