.calculator-section {
    position: relative;
    padding: 5rem 1.5rem;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .calculator-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
      radial-gradient(circle at 20% 80%, rgba(66, 153, 225, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 80% 20%, rgba(159, 122, 234, 0.08) 0%, transparent 50%),
      radial-gradient(circle at 40% 40%, rgba(56, 178, 172, 0.05) 0%, transparent 50%);
    z-index: 0;
  }

  .calculator-container {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 32px;
    padding: 3rem;
    box-shadow:
      0 25px 50px -12px rgba(0, 0, 0, 0.7),
      0 0 0 1px rgba(66, 153, 225, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.05);
  }

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

  .calculator-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
  }

  .title-gradient {
    background: linear-gradient(90deg,
        #2c5282 0%,
        #4299e1 25%,
        #63b3ed 50%,
        #4299e1 75%,
        #2c5282 100%);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: gradientFlow 4s ease infinite;
  }

  .calculator-subtitle {
    font-size: 1.2rem;
    color: rgba(200, 220, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
  }

  /* Progress Bar */
  .calculator-progress {
    margin-bottom: 3rem;
  }

  .progress-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 2rem;
    position: relative;
  }

  .progress-track::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
  }


  .progress-fill {
    height: 100%;
    background: linear-gradient(90deg,
        #2c5282,
        #4299e1,
        #63b3ed);
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
  }

  .progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent);
    animation: progressShine 2s infinite;
  }


  .progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
  }

  .progress-step {
    text-align: center;
    flex: 1;
    position: relative;
    z-index: 2;
  }

  .progress-step::before {
    content: '';
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
  }

  .progress-step.active::before {
    background: #4299e1;
    border-color: #63b3ed;
    box-shadow: 0 0 0 4px rgba(66, 153, 225, 0.3),
      0 0 20px rgba(66, 153, 225, 0.5);
    animation: pulse 2s infinite;
  }


  .step-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
  }

  .progress-step.active .step-number {
    color: #63b3ed;
  }

  .step-title {
    font-size: 0.9rem;
    color: rgba(200, 220, 255, 0.6);
    transition: color 0.3s ease;
  }

  .progress-step.active .step-title {
    color: rgba(200, 220, 255, 0.9);
  }

  /* Calculator Content */
  .calculator-content {
    min-height: 400px;
    position: relative;
  }

  .calculator-content.animation-enter {
    animation: slideInRight 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  }

  .calculator-content.animation-exit {
    animation: slideOutLeft 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  }

  .calculator-content.animation-active {
    opacity: 1;
    transform: translateX(0);
  }


  .calculator-step {
    padding: 2rem 0;
  }

  .step-question {
    font-size: 1.8rem;
    font-weight: 600;
    color: white;
    margin-bottom: 2rem;
    text-align: center;
  }

  /* Options Grid */
  .options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
  }

  .option-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--card-color, #4299e1);
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .option-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
  }

  .option-card.selected {
    background: rgba(66, 153, 225, 0.15);
    border-color: var(--card-color, #4299e1);
    box-shadow:
      0 10px 30px rgba(0, 0, 0, 0.4),
      0 0 0 1px var(--card-color, #4299e1),
      0 0 30px rgba(66, 153, 225, 0.3);
    transform: translateY(-2px);
  }

  .option-card.selected::before {
    opacity: 0.1;
  }

  .option-icon {
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
    color: var(--card-color, #4299e1);
  }

  .option-card:hover .option-icon {
    color: white;
  }

  .option-label {
    position: relative;
    z-index: 1;
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
  }

  /* Area Input */
  .area-input-container {
    max-width: 500px;
    margin: 0 auto;
  }

  .area-visual {
    height: 200px;
    background: linear-gradient(180deg,
        rgba(66, 153, 225, 0.1) 0%,
        rgba(44, 82, 130, 0.3) 100%);
    border-radius: 20px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(66, 153, 225, 0.2);
  }

  .area-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(0deg,
        #2c5282 0%,
        #4299e1 50%,
        #63b3ed 100%);
    transition: height 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .area-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    z-index: 1;
  }

  .area-slider {
    width: 100%;
    height: 20px;
    -webkit-appearance: none;
    background: transparent;
    margin-bottom: 1rem;
  }

  .area-slider::-webkit-slider-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    border: none;
  }

  .area-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 32px;
    height: 32px;
    background: #4299e1;
    border-radius: 50%;
    border: 3px solid white;
    cursor: pointer;
    box-shadow:
      0 0 0 4px rgba(66, 153, 225, 0.3),
      0 0 20px rgba(66, 153, 225, 0.5);
    transition: all 0.2s ease;
  }

  .area-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow:
      0 0 0 6px rgba(66, 153, 225, 0.3),
      0 0 30px rgba(66, 153, 225, 0.6);
  }

  .area-labels {
    display: flex;
    justify-content: space-between;
    color: rgba(200, 220, 255, 0.7);
    font-size: 0.9rem;
  }

  /* Toggle Container */
  .toggle-container {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .toggle-option {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .toggle-option.selected {
    background: rgba(56, 178, 172, 0.15);
    border-color: #38b2ac;
    box-shadow:
      0 10px 30px rgba(0, 0, 0, 0.4),
      0 0 0 1px #38b2ac,
      0 0 30px rgba(56, 178, 172, 0.3);
  }

  .toggle-btn {
    width: 100%;
    padding: 2rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }

  .toggle-icon {
    flex-shrink: 0;
    color: #38b2ac;
  }

  .toggle-label {
    flex: 1;
    font-size: 1.2rem;
    font-weight: 600;
  }

  .toggle-benefit {
    font-size: 0.9rem;
    color: rgba(200, 220, 255, 0.8);
    background: rgba(56, 178, 172, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
  }

  /* Urgency Levels */
  .urgency-levels {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .urgency-option {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-align: left;
  }

  .urgency-option:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
  }

  .urgency-option.selected {
    background: rgba(159, 122, 234, 0.15);
    border-color: #9f7aea;
    box-shadow:
      0 10px 30px rgba(0, 0, 0, 0.4),
      0 0 0 1px #9f7aea,
      0 0 30px rgba(159, 122, 234, 0.3);
  }

  .urgency-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
  }

  .urgency-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
  }

  .urgency-indicator {
    display: flex;
    gap: 4px;
  }

  .urgency-indicator .dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
  }

  .urgency-indicator .dot.active {
    background: #9f7aea;
  }

  .urgency-timeframe {
    color: rgba(200, 220, 255, 0.8);
    margin-bottom: 0.5rem;
  }

  .urgency-percent {
    color: #9f7aea;
    font-weight: 600;
    font-size: 1.1rem;
  }

  /* Package Selection */
  .package-selection {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
  }

  .package-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
  }

  .package-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--package-color, #4299e1);
    opacity: 0.05;
    transition: opacity 0.3s ease;
  }

  .package-card:hover {
    transform: translateY(-8px);
    border-color: var(--package-color, #4299e1);
    box-shadow:
      0 20px 40px rgba(0, 0, 0, 0.4),
      0 0 0 1px var(--package-color, #4299e1);
  }

  .package-card.selected {
    background: rgba(66, 153, 225, 0.1);
    border-color: var(--package-color, #4299e1);
    box-shadow:
      0 25px 50px rgba(0, 0, 0, 0.5),
      0 0 0 2px var(--package-color, #4299e1),
      0 0 40px rgba(66, 153, 225, 0.4);
    transform: translateY(-5px) scale(1.02);
  }

  .package-card.selected::before {
    opacity: 0.1;
  }

  .package-header {
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
  }

  .package-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
  }

  .package-price {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--package-color, #4299e1);
  }

  .package-description {
    position: relative;
    z-index: 1;
    color: rgba(200, 220, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.5;
  }

  .package-features {
    position: relative;
    z-index: 1;
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .package-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: rgba(200, 220, 255, 0.9);
  }

  .package-feature svg {
    flex-shrink: 0;
    color: var(--package-color, #4299e1);
  }

  .package-selected-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--package-color, #4299e1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    animation: badgePulse 2s infinite;
  }


  /* Result Container */
  .result-container {
    padding: 2rem 0;
    text-align: center;
  }

  .result-header {
    margin-bottom: 3rem;
  }

  .result-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #2c5282, #4299e1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    box-shadow: 0 20px 40px rgba(66, 153, 225, 0.3);
    animation: iconFloat 3s ease-in-out infinite;
  }


  .result-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
  }

  .result-subtitle {
    font-size: 1.1rem;
    color: rgba(200, 220, 255, 0.8);
  }

  .result-price {
    background: linear-gradient(135deg,
        rgba(44, 82, 130, 0.3),
        rgba(66, 153, 225, 0.3));
    border-radius: 24px;
    padding: 3rem;
    margin-bottom: 3rem;
    border: 2px solid rgba(66, 153, 225, 0.3);
    position: relative;
    overflow: hidden;
  }

  .result-price::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%);
    animation: priceShimmer 3s infinite;
  }


  .price-amount {
    font-size: 4.5rem;
    font-weight: 800;
    color: white;
    line-height: 1;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 20px rgba(66, 153, 225, 0.5);
  }

  .price-currency {
    font-size: 2rem;
    font-weight: 600;
  }

  .price-details {
    font-size: 1.1rem;
    color: rgba(200, 220, 255, 0.8);
  }

  .result-summary {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .summary-label {
    color: rgba(200, 220, 255, 0.7);
    font-size: 1rem;
  }

  .summary-value {
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
  }

  .gift-offer {
    background: linear-gradient(135deg,
        rgba(159, 122, 234, 0.2),
        rgba(66, 153, 225, 0.2));
    border: 2px solid rgba(159, 122, 234, 0.3);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2rem;
    animation: giftPulse 2s infinite;
  }


  .gift-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: rgba(159, 122, 234, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9f7aea;
  }

  .gift-content {
    text-align: left;
  }

  .gift-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
  }

  .gift-description {
    color: rgba(200, 220, 255, 0.9);
    font-size: 0.95rem;
  }

  /* Controls */
  .calculator-controls {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .btn-primary,
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: none;
    outline: none;
    min-width: 200px;
  }

  .btn-primary {
    background: linear-gradient(90deg, #2c5282, #4299e1, #63b3ed);
    background-size: 200% 100%;
    color: white;
    box-shadow: 0 10px 30px rgba(66, 153, 225, 0.3);
  }

  .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(66, 153, 225, 0.4);
    background-position: 100% 0;
  }

  .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
  }

  .btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.3);
  }

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

  /* Disclaimer */
  .calculator-disclaimer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    color: rgba(200, 220, 255, 0.7);
    font-size: 0.9rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .calculator-disclaimer svg {
    flex-shrink: 0;
    color: #4299e1;
  }

  /* Responsive Design */
  @media (max-width: 900px) {
    .calculator-container {
      padding: 2rem;
      border-radius: 24px;
    }

    .calculator-title {
      font-size: 2.2rem;
    }

    .package-selection {
      grid-template-columns: 1fr;
      max-width: 400px;
    }

    .price-amount {
      font-size: 3.5rem;
    }

    .options-grid {
      grid-template-columns: 1fr;
    }

    .btn-primary,
    .btn-secondary {
      min-width: 160px;
      padding: 0.875rem 1.5rem;
    }
  }

  @media (max-width: 600px) {
    .calculator-section {
      padding: 3rem 1rem;
    }

    .calculator-container {
      padding: 1.5rem;
      border-radius: 20px;
    }

    .calculator-title {
      font-size: 1.8rem;
    }

    .calculator-subtitle {
      font-size: 1rem;
    }

    .progress-steps {
      flex-direction: column;
      gap: 1.5rem;
      align-items: flex-start;
    }

    .progress-step {
      display: flex;
      align-items: center;
      gap: 1rem;
      text-align: left;
      width: 100%;
    }

    .progress-step::before {
      position: static;
      transform: none;
      flex-shrink: 0;
    }

    .step-number,
    .step-title {
      margin-bottom: 0;
    }

    .step-question {
      font-size: 1.5rem;
    }

    .price-amount {
      font-size: 2.8rem;
    }

    .gift-offer {
      flex-direction: column;
      text-align: center;
      gap: 1rem;
    }

    .gift-content {
      text-align: center;
    }

    .calculator-controls {
      flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
      width: 100%;
    }
  }

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

@keyframes progressShine {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(66, 153, 225, 0.3),
      0 0 20px rgba(66, 153, 225, 0.5);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(66, 153, 225, 0.2),
      0 0 30px rgba(66, 153, 225, 0.6);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutLeft {
  from {
    opacity: 1;
    transform: translateX(0);
  }

  to {
    opacity: 0;
    transform: translateX(-30px);
  }
}

@keyframes badgePulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(66, 153, 225, 0.7);
  }

  50% {
    box-shadow: 0 0 0 10px rgba(66, 153, 225, 0);
  }
}

@keyframes iconFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes priceShimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

@keyframes giftPulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(159, 122, 234, 0.4);
  }

  50% {
    box-shadow: 0 0 0 10px rgba(159, 122, 234, 0);
  }
}