.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.bg img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}
.bg img.active {
  opacity: 0.35;
  z-index: 1;
}
.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(42, 23, 15, 0.45);
  z-index: 2;
}
.calculator-wrapper {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 30px 80px;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 10;
}
.config-card {
  width: 100%;
  max-width: 860px;
  padding: 50px 45px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 40px;
  position: relative;
  animation: 0.6s cubic-bezier(0.25, 0.8, 0.25, 1) forwards slideUpFade;
}
@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(35px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.config-section {
  display: flex;
  flex-direction: column;
  gap: 15px;
  border-bottom: 1px dashed rgba(166, 75, 42, 0.1);
  padding-bottom: 35px;
  text-align: left;
}
.config-section:last-of-type {
  border-bottom: none;
}
.project-type-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.type-option-card {
  background: var(--color-pure-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-sm);
}
.type-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(166, 75, 42, 0.06);
  color: var(--color-terracotta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: 0.4s;
}
.type-option-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-dark);
}
.type-option-card p {
  font-size: 0.78rem;
  color: var(--color-dark-muted);
  line-height: 1.3;
}
.type-option-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}
.type-option-card.active {
  border-color: var(--color-terracotta);
  background: rgba(166, 75, 42, 0.04) !important;
  box-shadow: var(--shadow-glow);
  transform: scale(1.02);
}
.type-option-card.active .type-icon {
  background: var(--color-terracotta);
  color: var(--color-white);
}
.bhk-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.bhk-btn {
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-pure-white);
  color: var(--color-dark);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
  font-family: var(--font-body);
  box-shadow: var(--shadow-sm);
}
.bhk-btn:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.bhk-btn.active {
  background: var(--color-terracotta);
  border-color: var(--color-terracotta);
  color: var(--color-white);
  transform: scale(1.04) translateY(-2px);
  box-shadow: 0 8px 20px rgba(166, 75, 42, 0.25);
}
.area-counter-wrapper {
  display: flex;
  align-items: center;
  gap: 15px;
  max-width: 320px;
  width: 100%;
}
.area-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-pure-white);
  color: var(--color-dark);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.area-btn:hover {
  border-color: var(--color-terracotta);
  color: var(--color-terracotta);
  background: rgba(166, 75, 42, 0.04);
}
.area-input-box {
  flex: 1;
  position: relative;
}
.area-input-box input {
  width: 100%;
  padding: 12px 65px 12px 20px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background: var(--color-pure-white);
  color: var(--color-dark);
  font-size: 1.05rem;
  font-family: var(--font-body);
  font-weight: 600;
  outline: 0;
  transition: all var(--transition-fast);
  text-align: center;
}
.area-input-box input::-webkit-inner-spin-button,
.area-input-box input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.area-input-box input:focus {
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 3px var(--color-terracotta-glow);
}
.area-unit-text {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.86rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--color-dark-muted);
}
.live-budget-helper {
  background: rgba(166, 75, 42, 0.05);
  border: 1px solid rgba(166, 75, 42, 0.1);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  max-width: 480px;
  width: 100%;
}
.helper-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #39c16c;
  animation: 2s infinite pulse-helper;
}
@keyframes pulse-helper {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(57, 193, 108, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(57, 193, 108, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(57, 193, 108, 0);
  }
}
.helper-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-dark-muted);
}
.helper-value {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-terracotta);
}
.status-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 420px;
  width: 100%;
}
.status-option-card {
  background: var(--color-pure-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.status-indicator {
  color: var(--color-sand);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  transition: color var(--transition-fast);
}
.status-option-card span {
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-dark);
}
.status-option-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.status-option-card.active {
  border-color: var(--color-terracotta);
  background: rgba(166, 75, 42, 0.04) !important;
  box-shadow: var(--shadow-glow);
}
.status-option-card.active .status-indicator {
  color: var(--color-terracotta);
}
.styles-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.style-option-card {
  background: var(--color-pure-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.style-img-container {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.style-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s;
}
.style-text-content {
  padding: 18px;
  text-align: left;
}
.style-text-content h4 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 4px;
}
.style-text-content p {
  font-size: 0.78rem;
  color: var(--color-dark-muted);
  line-height: 1.4;
}
.style-option-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}
.style-option-card:hover .style-img-container img {
  transform: scale(1.08);
}
.style-option-card.active {
  border-color: var(--color-terracotta);
  box-shadow: var(--shadow-glow);
  transform: scale(1.01);
}
.style-option-card.active .style-text-content {
  background: rgba(166, 75, 42, 0.04) !important;
}
.config-actions {
  text-align: center;
  margin-top: 15px;
}
.config-actions .btn-primary {
  padding: 16px 50px;
  font-size: 0.86rem;
}
@media (max-width: 1024px) {
  .config-card {
    padding: 40px 30px;
  }
  .project-type-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .calculator-wrapper {
    padding: 0 15px 60px;
  }
  .config-card {
    padding: 30px 20px;
    border-radius: var(--radius-md);
    gap: 30px;
  }
  .config-section {
    padding-bottom: 25px;
  }
  .project-type-grid {
    gap: 12px;
  }
  .type-option-card {
    padding: 16px 12px;
  }
  .type-option-card h3 {
    font-size: 1.15rem;
  }
  .bhk-btn {
    padding: 10px 20px;
    font-size: 0.78rem;
  }
  .area-counter-wrapper {
    max-width: 100%;
  }
  .status-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
  .styles-gallery-grid {
    display: flex !important;
    overflow-x: auto !important;
    scroll-snap-type: x mandatory !important;
    scroll-behavior: smooth !important;
    -webkit-overflow-scrolling: touch !important;
    gap: 12px !important;
    padding: 4px 4px 16px 4px !important;
    grid-template-columns: none !important;
  }
  .styles-gallery-grid::-webkit-scrollbar {
    display: none !important;
  }
  .style-option-card {
    flex: 0 0 82% !important;
    scroll-snap-align: center !important;
    margin-bottom: 0 !important;
  }
  .style-img-container {
    height: 150px;
  }
  .config-actions .btn-primary {
    width: 100%;
  }
}