.billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}
.toggle-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color 0.3s;
}
.toggle-label.active { color: var(--color-text); }
.save-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-left: 0.25rem;
  vertical-align: middle;
}
.toggle-switch {
  position: relative;
  width: 48px; height: 26px;
  cursor: pointer;
}
.toggle-switch input {
  opacity: 0; width: 0; height: 0;
}
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-bg-gray);
  border-radius: 9999px;
  transition: background 0.3s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: transform 0.3s;
}
.toggle-switch input:checked + .toggle-slider {
  background: var(--color-primary);
}
.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(22px);
}

.pricing-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3.5rem;
}
@media (min-width: 640px) { .pricing-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pricing-cards { grid-template-columns: repeat(3, 1fr); } }
.pricing-cards-4 {
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .pricing-cards-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pricing-cards-4 { grid-template-columns: repeat(4, 1fr); } }

.pricing-card {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border-outer);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.pricing-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--glass-highlight);
  pointer-events: none;
  opacity: 0.4;
  transition: opacity 0.4s;
}
.pricing-card:hover {
  border-color: rgba(0,0,0,0.1);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-4px);
}

.pricing-card-popular {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--glass-shadow);
}
.pricing-card-popular:hover {
  box-shadow: 0 0 0 1px var(--color-primary), var(--glass-shadow-hover);
}

.pricing-card-dark {
  background: var(--color-bg-dark);
  border-color: var(--color-bg-dark);
  color: #fff;
}
.pricing-card-dark .pricing-card-desc,
.pricing-card-dark .pricing-features li,
.pricing-card-dark .price-period { color: rgba(255,255,255,0.6); }
.pricing-card-dark .pricing-features svg { color: var(--color-primary-light); }

.popular-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  z-index: 2;
}

.pricing-card-header { margin-bottom: 1.5rem; position: relative; }
.pricing-card-header h3 {
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.pricing-card-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.pricing-card-price {
  margin-bottom: 1.5rem;
  position: relative;
}
.price-amount {
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  transition: all 0.3s;
}
.price-period {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex: 1;
  position: relative;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.4rem 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.pricing-features svg {
  width: 1rem; height: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}
.pricing-cta {
  width: 100%;
  justify-content: center;
  text-align: center;
  position: relative;
}

.slider-section {
  margin-top: 3rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border-outer);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  padding: 2.5rem;
}
.slider-title {
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.slider-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  margin-bottom: 2rem;
}

.slider-container { margin-bottom: 1.5rem; }

.pricing-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-bg-gray);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}
.pricing-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  cursor: pointer;
  transition: transform 0.2s;
}
.pricing-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}
.pricing-slider::-moz-range-thumb {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  cursor: pointer;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.slider-value-display {
  text-align: center;
  margin-top: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
}

.slider-result-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--glass-border-outer);
}
.slider-specs {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.spec-item { display: flex; flex-direction: column; gap: 0.15rem; }
.spec-label { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-light); }
.spec-value { font-size: 0.95rem; font-weight: 700; color: var(--color-text); }

.slider-price .price-amount {
  font-size: 1.75rem;
}
.price-per-unit {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.addon-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
@media (min-width: 640px) { .addon-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .addon-grid { grid-template-columns: repeat(4, 1fr); } }

.addon-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border-outer);
  background: rgba(245, 245, 245, 0.5);
  padding: 1.5rem;
  transition: all 0.3s;
}
.addon-card:hover { box-shadow: var(--glass-shadow); }
.addon-card h4 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.addon-price {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.addon-price span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
}
.addon-price.highlight { color: var(--color-primary); }
.addon-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.quote-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3.5rem;
}
@media (min-width: 640px) { .quote-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .quote-grid { grid-template-columns: repeat(4, 1fr); } }

.quote-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border-outer);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.quote-card:hover {
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-4px);
}
.quote-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
}
.quote-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}
.quote-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary) !important;
}
.quote-card .btn { margin-top: auto; }