/* ============================================
   BUILD STAGE WIZARD
   Stage-based performance package builder
   ============================================ */

/* Main Container */
.build-wizard {
  min-height: 100vh;
  padding-top: 100px;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0a0a 100%);
}

/* ============================================
   PROGRESS INDICATOR
   ============================================ */

.wizard-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  margin-bottom: 2rem;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.4;
  transition: all 0.4s ease;
}

.progress-step.active {
  opacity: 1;
}

.progress-step.completed {
  opacity: 0.8;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--accent-gold);
  background: transparent;
  transition: all 0.4s ease;
}

.progress-step.active .step-number {
  background: var(--accent-gold);
  color: var(--bg-dark);
}

.progress-step.completed .step-number {
  background: var(--accent-gold);
  color: var(--bg-dark);
}

.step-label {
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.progress-step.active .step-label {
  color: var(--accent-gold);
}

.progress-line {
  width: 80px;
  height: 2px;
  background: rgba(212, 175, 55, 0.2);
  margin: 0 1rem;
  position: relative;
  top: -12px;
}

/* ============================================
   WIZARD STEPS
   ============================================ */

.wizard-step {
  display: none;
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 2rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
}

.wizard-step.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.wizard-step.exit-left {
  transform: translateX(-30px);
  opacity: 0;
}

/* Step Header */
.step-header {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.step-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.step-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.step-subtitle .highlight {
  color: var(--accent-gold);
  font-weight: 500;
}

.step-subtitle .separator {
  margin: 0 0.75rem;
  opacity: 0.5;
}

/* Back Button */
.back-btn {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.back-btn:hover {
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.1);
}

/* ============================================
   PRE-ORDER SPECIAL BANNER
   ============================================ */

.preorder-special-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 2rem;
  margin: 0 auto 2rem;
  max-width: 700px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.05) 100%);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 12px;
  animation: bannerPulse 3s ease-in-out infinite;
}

@keyframes bannerPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(212, 175, 55, 0.1); }
  50% { box-shadow: 0 0 30px rgba(212, 175, 55, 0.2); }
}

.special-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gold);
  border-radius: 50%;
  color: var(--bg-dark);
}

.special-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.special-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
}

.special-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

@media (max-width: 600px) {
  .preorder-special-banner {
    flex-direction: column;
    text-align: center;
    padding: 1.25rem 1rem;
    margin: 0 1rem 2rem;
  }

  .special-content {
    align-items: center;
  }
}

/* ============================================
   STEP 1: VEHICLE GRID
   ============================================ */

.vehicle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.vehicle-card {
  position: relative;
  background: linear-gradient(135deg, rgba(30, 30, 30, 0.8) 0%, rgba(20, 20, 20, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 2rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.vehicle-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.vehicle-card:hover {
  transform: translateY(-8px);
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 60px rgba(212, 175, 55, 0.1);
}

.vehicle-card:hover::before {
  opacity: 1;
}

.vehicle-image {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.vehicle-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
  transition: transform 0.4s ease;
}

.vehicle-card:hover .vehicle-image img {
  transform: scale(1.05);
}

/* S8 watermark fix */
.vehicle-card[data-vehicle="Audi S8"] .vehicle-image {
  overflow: hidden;
}

.vehicle-card[data-vehicle="Audi S8"] .vehicle-image img {
  transform: scale(1.15);
}

.vehicle-card[data-vehicle="Audi S8"]:hover .vehicle-image img {
  transform: scale(1.2);
}

/* RSQ8 sizing */
.vehicle-card[data-vehicle="Audi RSQ8"] .vehicle-image img {
  transform: scale(1.3);
}

.vehicle-card[data-vehicle="Audi RSQ8"]:hover .vehicle-image img {
  transform: scale(1.35);
}

.vehicle-info {
  text-align: center;
  position: relative;
  z-index: 1;
}

.vehicle-make {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.vehicle-model {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

/* ============================================
   STEP 2: STAGES GRID
   ============================================ */

.stages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.stage-card {
  position: relative;
  background: linear-gradient(135deg, rgba(30, 30, 30, 0.9) 0%, rgba(20, 20, 20, 0.95) 100%);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 2rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.stage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-gold) 0%, rgba(212, 175, 55, 0.5) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.stage-card:hover {
  border-color: rgba(212, 175, 55, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.stage-card:hover::before {
  transform: scaleX(1);
}

.stage-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.stage-hp {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
}

.stage-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.stage-parts-count {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stage-parts-count strong {
  color: var(--accent-gold);
}

/* All Parts Card - Browse Individual Items */
.stage-card.all-parts-card {
  background: linear-gradient(135deg, rgba(40, 40, 40, 0.6) 0%, rgba(25, 25, 25, 0.8) 100%);
  border: 2px dashed rgba(255, 255, 255, 0.15);
  text-align: center;
}

.stage-card.all-parts-card::before {
  display: none;
}

.stage-card.all-parts-card:hover {
  border-style: solid;
  border-color: rgba(255, 255, 255, 0.25);
}

.all-parts-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  color: var(--text-secondary);
}

.stage-card.all-parts-card:hover .all-parts-icon {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.all-parts-icon svg {
  width: 28px;
  height: 28px;
}

.stage-card.all-parts-card .stage-name {
  font-size: 1.5rem;
}

.stage-card.all-parts-card .stage-description {
  margin-bottom: 0;
}

/* Tuning Badge */
.tuning-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 191, 0, 0.15);
  border: 1px solid rgba(255, 191, 0, 0.3);
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #ffbf00;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.tuning-badge svg {
  width: 12px;
  height: 12px;
}

/* ============================================
   STEP 3: PARTS SELECTION
   ============================================ */

.parts-container {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  align-items: start;
}

.parts-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.part-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(25, 25, 25, 0.9);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  transition: all 0.3s ease;
}

.part-card.selected {
  border-color: rgba(212, 175, 55, 0.5);
  background: rgba(212, 175, 55, 0.05);
}


.part-checkbox {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.part-checkbox input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.part-checkbox .checkmark {
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  transition: all 0.3s ease;
}

.part-checkbox input:checked ~ .checkmark {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
}

.part-checkbox .checkmark::after {
  content: '';
  position: absolute;
  display: none;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 12px;
  border: solid #111;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.part-checkbox input:checked ~ .checkmark::after {
  display: block;
}

.part-image {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
}

.part-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.part-info {
  flex: 1;
  min-width: 0;
}

.part-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.part-type {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.part-price {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-gold);
  white-space: nowrap;
}

.part-price.contact {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.part-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-details {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-details:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* ============================================
   BUILD SUMMARY PANEL
   ============================================ */

.build-summary {
  position: sticky;
  top: 100px;
  background: linear-gradient(135deg, rgba(30, 30, 30, 0.95) 0%, rgba(20, 20, 20, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 1.5rem;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
}

.summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.summary-header h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
}

.parts-count {
  font-size: 0.85rem;
  color: var(--accent-gold);
}

.summary-preorder-banner {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(34, 197, 94, 0.08) 100%);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 8px;
}

.summary-preorder-banner svg {
  flex-shrink: 0;
  color: #22c55e;
}

.summary-preorder-banner span {
  font-size: 0.8rem;
  font-weight: 500;
  color: #22c55e;
  letter-spacing: 0.02em;
}

.summary-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  max-height: 300px;
  overflow-y: auto;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
}

.summary-item-name {
  font-size: 0.9rem;
  color: var(--text-primary);
  flex: 1;
  line-height: 1.3;
}

.summary-item-price {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent-gold);
  white-space: nowrap;
}

.summary-item-price.contact {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.summary-total {
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 1.5rem;
}

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

.total-row span:first-child {
  font-size: 1rem;
  color: var(--text-secondary);
}

.total-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.total-note {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-style: italic;
}

.inquire-btn {
  width: 100%;
  justify-content: center;
  gap: 0.75rem;
}

/* ============================================
   PART DETAILS MODAL
   ============================================ */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: #151515;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.modal-close:hover {
  background: rgba(212, 175, 55, 0.2);
  color: var(--accent-gold);
}

.modal-image {
  width: 100%;
  height: 250px;
  background: #0a0a0a;
  overflow: hidden;
}

.modal-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal-body {
  padding: 1.5rem;
}

.modal-body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.modal-price {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

.modal-section {
  margin-bottom: 1.5rem;
}

.modal-section h4 {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
}

.modal-section p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.modal-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.modal-section li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.modal-section li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  background: var(--accent-gold);
  border-radius: 50%;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .parts-container {
    grid-template-columns: 1fr;
  }

  .build-summary {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 75vh;
    border-radius: 24px 24px 0 0;
    z-index: 9999;
    transform: translateY(calc(100% - 100px));
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 -10px 60px rgba(0, 0, 0, 0.8);
    background: #111111;
    padding-top: 1.5rem;
  }

  .build-summary.expanded {
    transform: translateY(0);
  }

  .build-summary::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
  }

  .summary-header {
    cursor: pointer;
    padding-top: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .summary-header h3 {
    font-size: 1.1rem;
  }

  .summary-header::after {
    content: 'Tap to expand';
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }

  .build-summary.expanded .summary-header::after {
    content: 'Tap to collapse';
  }

  .parts-list {
    padding-bottom: 120px;
  }

  .inquire-btn {
    padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0));
  }
}

@media (max-width: 768px) {
  .wizard-progress {
    padding: 1rem;
  }

  .progress-line {
    width: 40px;
  }

  .step-number {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .step-label {
    font-size: 0.7rem;
  }

  .wizard-step {
    padding: 0 1rem 4rem;
  }

  .step-header {
    padding-top: 2rem;
  }

  .back-btn {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    margin-bottom: 1rem;
  }

  .vehicle-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .vehicle-card {
    padding: 1.25rem;
  }

  .vehicle-image {
    height: 80px;
    margin-bottom: 1rem;
  }

  .vehicle-model {
    font-size: 1.125rem;
  }

  .stages-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stage-card {
    padding: 1.5rem;
  }

  .part-card {
    flex-wrap: wrap;
    padding: 1rem;
  }

  .part-image {
    width: 50px;
    height: 50px;
  }

  .part-info {
    flex: 1;
    min-width: calc(100% - 90px);
  }

  .part-name {
    font-size: 0.9rem;
  }

  .part-price {
    width: 100%;
    text-align: right;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  .part-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .modal-content {
    max-height: 100vh;
    border-radius: 0;
  }

  .modal-image {
    height: 200px;
  }

  .modal-body {
    padding: 1rem;
  }

  .modal-body h2 {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .vehicle-grid {
    grid-template-columns: 1fr;
  }

  .part-checkbox {
    order: -1;
  }

  .part-image {
    display: none;
  }

  .part-info {
    min-width: calc(100% - 40px);
  }

  .summary-items {
    max-height: 200px;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.part-card {
  animation: fadeIn 0.4s ease forwards;
}

.part-card:nth-child(1) { animation-delay: 0.05s; }
.part-card:nth-child(2) { animation-delay: 0.1s; }
.part-card:nth-child(3) { animation-delay: 0.15s; }
.part-card:nth-child(4) { animation-delay: 0.2s; }
.part-card:nth-child(5) { animation-delay: 0.25s; }
.part-card:nth-child(6) { animation-delay: 0.3s; }
.part-card:nth-child(7) { animation-delay: 0.35s; }
.part-card:nth-child(8) { animation-delay: 0.4s; }
.part-card:nth-child(9) { animation-delay: 0.45s; }
.part-card:nth-child(10) { animation-delay: 0.5s; }
.part-card:nth-child(11) { animation-delay: 0.55s; }
.part-card:nth-child(12) { animation-delay: 0.6s; }
.part-card:nth-child(13) { animation-delay: 0.65s; }
.part-card:nth-child(14) { animation-delay: 0.7s; }