/* Макеты и крупные блоки */
.step { display: none; min-height: 100vh; align-items: center; justify-content: center; padding: 40px 0; }
.step.active { display: flex; }

.step-content {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  padding: 40px; width: 100%; max-width: 600px; position: relative; overflow: hidden;
  margin-left: auto; margin-right: auto;
}
.step-content::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg,#667eea,#764ba2); }

.step-header { text-align: center; margin-bottom: 40px; }
.step-header h1 { font-size: 2.5rem; font-weight: 700; color: #2d3748; margin-bottom: 10px; }
.step-header p { font-size: 1.1rem; color: #718096; }

.calculator-container { display: grid; gap: 30px; }
.calculation-result { background: #fff; border: 2px solid #e2e8f0; border-radius: 16px; padding: 30px; }
.result-breakdown { display: grid; gap: 15px; }

.disclaimer { margin-top: 30px; padding: 20px; background: #fef3c7; border: 1px solid #f59e0b; border-radius: 12px; border-left: 4px solid #f59e0b; }
.disclaimer-content { display: flex; align-items: flex-start; gap: 12px; }

.support-block { margin-top: 20px; padding: 20px; background: #f7fafc; border: 1px solid #e2e8f0; border-radius: 12px; }
.support-content { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 768px){
  .step-content { padding: 30px 20px; margin: 20px auto; border-radius: 16px; }
  .step-header h1 { font-size: 2rem; }
  .calculator-container { grid-template-columns: 1fr; }
}

@media (max-width: 480px){
  .step-content { padding: 20px 16px; margin: 10px auto; max-width: calc(100% - 24px); }
  .step-header h1 { font-size: 1.8rem; }
}