/* ==========================================================================
   Factory Page Stylesheet - Lanbang B2B Showcase Theme
   ========================================================================== */

/* Target Sections Scroll Margins for Sticky Header + Subnav Offset */
#factory-overview,
#factory-strengths,
#factory-management,
#factory-equipment,
#factory-materials,
#factory-gallery {
  scroll-margin-top: 135px;
}

/* 1. Hero Sub-Banner */
.factory-hero-banner {
  position: relative;
  width: 100%;
  padding: 100px 0 90px;
  background-size: cover;
  background-position: center;
  color: var(--white);
  text-align: center;
}

.factory-hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.factory-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(197, 155, 39, 0.95);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  box-shadow: 0 4px 15px rgba(197, 155, 39, 0.3);
}

.factory-hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.factory-hero-subtitle {
  font-size: 1.05rem;
  color: #e5e5e5;
  line-height: 1.6;
  max-width: 780px;
  margin: 0 auto;
}

/* Sub Navigation Bar */
.factory-subnav-bar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-300);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 75px;
  z-index: 90;
  transition: var(--transition);
}

.factory-subnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  min-height: 54px;
}

.factory-subnav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.factory-subnav-links::-webkit-scrollbar {
  display: none;
}

.factory-subnav-links li a {
  display: inline-block;
  padding: 16px 18px 14px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
  position: relative;
  transition: all 0.25s ease;
  cursor: pointer;
}

.factory-subnav-links li a:hover {
  color: var(--primary);
}

.factory-subnav-links li a.active {
  color: var(--primary) !important;
  font-weight: 700;
}

.factory-subnav-links li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background-color: var(--primary);
  transition: width 0.25s ease;
}

.factory-subnav-links li a.active::after,
.factory-subnav-links li a:hover::after {
  width: 80%;
}

.factory-breadcrumb {
  font-size: 0.85rem;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.factory-breadcrumb a {
  color: var(--gray-700);
}

.factory-breadcrumb a:hover {
  color: var(--primary);
}

.factory-breadcrumb .current {
  color: var(--primary);
  font-weight: 600;
}

/* 2. Factory Overview Section */
.factory-overview-section {
  background-color: var(--white);
}

.factory-overview-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.overview-lead-text p {
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--gray-700);
  margin-bottom: 18px;
}

.overview-lead-text strong {
  color: var(--dark);
}

.overview-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.overview-actions .btn {
  padding: 14px 26px;
}

/* Video Card on Overview */
.factory-video-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.factory-video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.12);
}

.video-thumbnail-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: #000;
  overflow: hidden;
}

.video-thumbnail-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
  transition: transform 0.6s ease;
}

.factory-video-card:hover .video-thumbnail-wrap img {
  transform: scale(1.05);
}

.video-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(6px);
  color: var(--white);
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #28a745;
  box-shadow: 0 0 8px #28a745;
  animation: pulse-green 1.8s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(40, 167, 69, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(40, 167, 69, 0); }
}

.factory-video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(197, 155, 39, 0.5);
  cursor: pointer;
  transition: var(--transition);
  z-index: 5;
}

.factory-video-play-btn:hover {
  background: var(--primary-hover);
  transform: translate(-50%, -50%) scale(1.1);
}

.play-icon-triangle {
  width: 0;
  height: 0;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 20px solid var(--white);
  margin-left: 4px;
}

.play-ripple {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--primary);
  animation: ripple-effect 2s infinite ease-out;
}

@keyframes ripple-effect {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.8); opacity: 0; }
}

.video-card-info {
  padding: 24px;
}

.video-card-info h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.video-card-info p {
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: 16px;
}

.video-card-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--gray-700);
  padding-top: 12px;
  border-top: 1px solid var(--gray-300);
}

.video-card-meta strong {
  color: var(--dark);
}

/* 3. Strengths & Production Capacity Section */
.factory-strengths-section {
  background: linear-gradient(135deg, #141414 0%, #1f1f1f 100%);
  color: var(--white);
  position: relative;
}

.section-desc-light {
  color: #c5c5c5;
  max-width: 720px;
  margin: 12px auto 0;
  font-size: 0.98rem;
  text-align: center;
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.strength-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.strength-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--primary);
  transition: height 0.35s ease;
}

.strength-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(197, 155, 39, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.35);
}

.strength-card:hover::before {
  height: 100%;
}

.strength-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: rgba(197, 155, 39, 0.15);
  border: 1px solid rgba(197, 155, 39, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 22px;
  transition: var(--transition);
}

.strength-card:hover .strength-icon-box {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.08);
}

.strength-stat {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 10px;
}

.strength-stat .unit {
  font-size: 1.1rem;
  color: var(--primary);
  margin-left: 4px;
}

.strength-content h3 {
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 10px;
  font-weight: 600;
}

.strength-content p {
  font-size: 0.88rem;
  color: #b0b0b0;
  line-height: 1.65;
}

/* 4. Factory Management & Operational Pillars */
.factory-management-section {
  background-color: var(--gray-100);
}

.section-desc {
  max-width: 720px;
  margin: 12px auto 0;
  color: var(--gray-700);
  font-size: 0.96rem;
  text-align: center;
}

.management-tabs-container {
  margin-top: 45px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-300);
  overflow: hidden;
}

.management-tab-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #f1f3f5;
  border-bottom: 1px solid var(--gray-300);
}

.mgmt-tab-btn {
  background: transparent;
  border: none;
  padding: 22px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--gray-700);
  border-right: 1px solid var(--gray-300);
}

.mgmt-tab-btn:last-child {
  border-right: none;
}

.mgmt-tab-btn .tab-index {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.08);
  font-size: 0.82rem;
  color: var(--gray-700);
  font-weight: 700;
}

.mgmt-tab-btn:hover {
  background: #e9ecef;
  color: var(--primary);
}

.mgmt-tab-btn.active {
  background: var(--white);
  color: var(--dark);
  box-shadow: 0 -2px 0 var(--primary) inset;
}

.mgmt-tab-btn.active .tab-index {
  background: var(--primary);
  color: var(--white);
}

.management-tab-panes {
  padding: 45px 40px;
}

.mgmt-pane {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.mgmt-pane.active {
  display: block;
}

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

.mgmt-pane-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 45px;
  align-items: center;
}

.pane-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(197, 155, 39, 0.3);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.mgmt-pane-text h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  line-height: 1.35;
  color: var(--dark);
}

.mgmt-pane-text p {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--gray-700);
  margin-bottom: 16px;
}

.mgmt-feature-list {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mgmt-feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dark);
}

.mgmt-pane-image {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
}

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

/* 5. Production Machinery & Equipment Swiper */
.factory-equipment-section {
  background-color: var(--white);
}

.equipment-swiper-wrap {
  margin-top: 45px;
  position: relative;
  padding: 0 10px 45px;
}

.equipment-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.equipment-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.equipment-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: #1a1a1a;
  overflow: hidden;
}

.equipment-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.equipment-card:hover .equipment-thumb img {
  transform: scale(1.06);
}

.equip-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(18, 18, 18, 0.85);
  color: var(--white);
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 2px;
  border-left: 2px solid var(--primary);
}

.equipment-body {
  padding: 22px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.equipment-body h3 {
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: 8px;
}

.equip-specs {
  font-size: 0.82rem;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 600;
}

.equip-specs strong {
  color: var(--dark);
}

.equip-desc {
  font-size: 0.86rem;
  color: var(--gray-700);
  line-height: 1.6;
}

/* Swiper navigation buttons */
.equipment-swiper .swiper-button-prev,
.equipment-swiper .swiper-button-next,
.gallery-swiper .swiper-button-prev,
.gallery-swiper .swiper-button-next {
  width: 44px;
  height: 44px;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  color: var(--dark);
  transition: var(--transition);
}

.equipment-swiper .swiper-button-prev::after,
.equipment-swiper .swiper-button-next::after,
.gallery-swiper .swiper-button-prev::after,
.gallery-swiper .swiper-button-next::after {
  font-size: 16px;
  font-weight: bold;
}

.equipment-swiper .swiper-button-prev:hover,
.equipment-swiper .swiper-button-next:hover,
.gallery-swiper .swiper-button-prev:hover,
.gallery-swiper .swiper-button-next:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* 6. Specialized Materials Section */
.factory-materials-section {
  background-color: #17181c;
  color: var(--white);
}

.factory-materials-section .section-header .main-title {
  color: var(--white);
}

.factory-materials-section .section-desc {
  color: #b5b5b5;
}

.materials-showcase-container {
  margin-top: 45px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 35px;
}

.materials-nav-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.material-nav-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  color: #d1d5db;
}

.material-nav-btn .mat-num {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--primary);
  background: rgba(197, 155, 39, 0.12);
  padding: 3px 8px;
  border-radius: 2px;
}

.material-nav-btn .mat-name {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
}

.material-nav-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(197, 155, 39, 0.4);
  color: var(--white);
}

.material-nav-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(197, 155, 39, 0.35);
}

.material-nav-btn.active .mat-num {
  background: rgba(0, 0, 0, 0.25);
  color: var(--white);
}

.materials-display-wrapper {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 40px;
}

.material-detail-card {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.material-detail-card.active {
  display: block;
}

.mat-card-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 35px;
  align-items: center;
}

.mat-header-badge {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: 12px;
}

.mat-card-text h3 {
  font-size: 1.6rem;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.35;
  color: var(--white);
}

.mat-card-text p {
  font-size: 0.94rem;
  color: #cfd4dc;
  line-height: 1.75;
  margin-bottom: 24px;
}

.mat-spec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mat-spec-chips span {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: #e5e7eb;
}

.mat-card-image {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

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

/* 7. Factory Workshop Gallery */
.factory-gallery-section {
  background-color: var(--gray-100);
}

.gallery-swiper-wrap {
  margin-top: 45px;
  padding: 0 10px 45px;
  position: relative;
}

.gallery-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-300);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.gallery-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.gallery-thumb {
  width: 100%;
  aspect-ratio: 16 / 11;
  background-color: #1a1a1a;
  overflow: hidden;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-card:hover .gallery-thumb img {
  transform: scale(1.06);
}

.gallery-caption {
  padding: 20px;
  flex: 1;
}

.gallery-caption h4 {
  font-size: 1.05rem;
  color: var(--dark);
  margin-bottom: 6px;
}

.gallery-caption p {
  font-size: 0.84rem;
  color: var(--gray-700);
  line-height: 1.55;
}

/* 8. Factory CTA Card */
.factory-cta-section {
  background-color: var(--white);
  padding-bottom: 90px;
}

.factory-cta-card {
  background: linear-gradient(135deg, #18191d 0%, #2a2b32 100%);
  border-radius: var(--radius-md);
  padding: 60px 50px;
  color: var(--white);
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.factory-cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(197, 155, 39, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  margin: 0 auto;
}

.cta-badge {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(197, 155, 39, 0.25);
  border: 1px solid rgba(197, 155, 39, 0.5);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.cta-card-content h2 {
  font-size: 2.2rem;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-card-content p {
  font-size: 1rem;
  color: #cfd4dc;
  line-height: 1.7;
  margin-bottom: 30px;
}

.cta-highlights-row {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 35px;
}

.cta-hl-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--white);
}

.cta-button-group {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.btn-outline-light {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
}

/* Video Lightbox Modal */
.factory-video-modal .video-modal-box {
  max-width: 800px;
  padding: 25px;
  background: #111;
  color: var(--white);
}

.video-player-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.video-modal-footer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid #2a2a2a;
}

.video-modal-footer h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.video-modal-footer p {
  font-size: 0.88rem;
  color: #aaa;
}

.video-modal-footer a {
  color: var(--primary);
  text-decoration: underline;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .factory-hero-title { font-size: 2.2rem; }
  .factory-overview-grid { grid-template-columns: 1fr; gap: 40px; }
  .strengths-grid { grid-template-columns: repeat(2, 1fr); }
  .mgmt-pane-grid { grid-template-columns: 1fr; gap: 30px; }
  .materials-showcase-container { grid-template-columns: 1fr; }
  .materials-nav-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }
  .mat-card-grid { grid-template-columns: 1fr; gap: 25px; }
}

@media (max-width: 768px) {
  .factory-hero-banner { padding: 70px 0 60px; }
  .factory-hero-title { font-size: 1.8rem; }
  .factory-subnav-bar { position: relative; top: 0; }
  .factory-subnav-inner { flex-direction: column; align-items: flex-start; padding: 10px 0; gap: 8px; }
  .factory-subnav-links { width: 100%; }
  .strengths-grid { grid-template-columns: 1fr; }
  .management-tab-nav { grid-template-columns: 1fr; }
  .mgmt-tab-btn { border-right: none; border-bottom: 1px solid var(--gray-300); }
  .management-tab-panes { padding: 30px 20px; }
  .materials-nav-grid { grid-template-columns: repeat(2, 1fr); }
  .materials-display-wrapper { padding: 25px 20px; }
  .factory-cta-card { padding: 40px 20px; }
  .cta-card-content h2 { font-size: 1.6rem; }
  .cta-highlights-row { flex-direction: column; align-items: center; gap: 12px; }
}

@media (max-width: 480px) {
  .materials-nav-grid { grid-template-columns: 1fr; }
  .overview-actions .btn { width: 100%; }
  .cta-button-group .btn { width: 100%; }
}