.cost-calc-section {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 40px;
  margin-top: 60px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
}
.calc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.calc-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.calc-slider {
  width: 100%;
  accent-color: var(--accent-orange);
}
.calc-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.calc-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.calc-checkbox input {
  display: none;
}
.check-visual {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 14px;
  transition: background 0.3s ease;
}
.calc-checkbox.active .check-visual {
  background: var(--accent-green);
}
.calc-checkbox.active .check-visual::after {
  content: '✓';
}
.check-label {
  display: flex;
  flex-direction: column;
}
.calc-result-wrapper {
  background: rgba(0, 0, 0, 0.4);
  border-radius: 20px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.calc-result-label {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 10px;
}
.calc-result-value {
  margin-bottom: 20px;
  position: relative;
}

/* New Animations and Highlights */
.glow-text {
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: pulse-glow 3s infinite alternate;
}

@keyframes pulse-glow {
  0% { text-shadow: 0 0 10px rgba(255, 122, 0, 0.2); }
  100% { text-shadow: 0 0 25px rgba(255, 122, 0, 0.6); }
}

.calc-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  opacity: 0.9;
  transition: opacity 0.2s;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-orange);
  cursor: pointer;
  box-shadow: 0 0 15px rgba(255, 122, 0, 0.5);
  transition: transform 0.2s, box-shadow 0.2s;
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 25px rgba(255, 122, 0, 0.8);
}

.calc-checkbox:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  border-color: rgba(255,255,255,0.15);
}

.calc-checkbox.active {
  background: linear-gradient(135deg, rgba(0, 230, 118, 0.08) 0%, rgba(0, 230, 118, 0.02) 100%);
  border-color: rgba(0, 230, 118, 0.4);
  box-shadow: 0 4px 20px rgba(0, 230, 118, 0.1);
}

.number-animate {
  display: inline-block;
  transition: transform 0.1s ease-out;
}
.number-animate.pop {
  transform: scale(1.1);
  color: #fff;
}

@media (max-width: 768px) {
  .calc-container {
    grid-template-columns: 1fr;
  }
}