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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.header p {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
}

.card {
    background: white;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    overflow: hidden;
}

.progress-steps {
    display: flex;
    background: #f8fafc;
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    text-align: center;
    min-width: 80px;
}

.step-number {
    width: 40px;
    height: 40px;
    background: #cbd5e1;
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 0.5rem;
    transition: all 0.3s;
}

.step.active .step-number {
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 4px 10px rgba(102,126,234,0.4);
}

.step.completed .step-number {
    background: #10b981;
}

.step-label {
    font-size: 0.75rem;
    color: #64748b;
    font-weight: 500;
}

.step.active .step-label {
    color: #667eea;
    font-weight: 600;
}

.content {
    padding: 2.5rem;
}

.step-content {
    display: none;
}

.step-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.selection-card {
    padding: 1.2rem;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: white;
}

.selection-card:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.selection-card.selected {
    border-color: #667eea;
    background: linear-gradient(135deg, rgba(102,126,234,0.1), rgba(118,75,162,0.1));
}

.selection-card i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102,126,234,0.3);
}

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

.btn-secondary {
    background: #f1f5f9;
    color: #475569;
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.price-card {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-radius: 24px;
    padding: 2rem;
    text-align: center;
    margin-top: 1rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: #92400e;
}

.price-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #92400e;
}

.offer-button {
    margin-top: 1.5rem;
    background: #92400e;
    color: white;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: bold;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s;
    border: none;
}

.offer-button:hover {
    background: #b45309;
    transform: translateY(-2px);
}

.summary-box {
    background: #f8fafc;
    border-radius: 16px;
    padding: 1rem;
    margin: 1rem 0;
    text-align: left;
}

@media (max-width: 768px) {
    body { padding: 1rem; }
    .content { padding: 1.5rem; }
    .selection-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
    .price-amount { font-size: 2rem; }
    .progress-steps { padding: 1rem; }
    .step-label { font-size: 0.65rem; }
}