.primary-showcase {
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-color), var(--secondary-bg-color));
}

.primary-showcase::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
  width: 50%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(42, 93, 138, 0.05));
}

.showcase-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.showcase-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  border: 1px solid var(--main-color);
  border-radius: 25px;
  padding: 8px 16px;
  background: rgba(42, 93, 138, 0.1);
}

.showcase-badge i {
  color: var(--main-color);
  font-size: 14px;
}

.showcase-badge span {
  color: var(--main-color);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.showcase-title {
  margin-bottom: 20px;
  color: var(--main-color);
  font-weight: 700;
  font-size: 3.5rem;
  line-height: 1.1;
}

.title-highlight {
  position: relative;
  color: var(--secondary-color);
}

.showcase-description {
  max-width: 90%;
  margin-bottom: 40px;
  color: var(--text-color);
  font-size: 1.1rem;
  line-height: 1.6;
}

.showcase-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-bottom: 40px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.stat-item i {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  color: var(--secondary-color);
  font-size: 24px;
  background: rgba(230, 179, 37, 0.1);
}

.stat-content {
  display: flex;
  flex-direction: column;
}

.stat-number {
  color: var(--main-color);
  font-weight: 700;
  font-size: 1.8rem;
}

.stat-label {
  opacity: 0.8;
  color: var(--text-color);
  font-size: 0.9rem;
}

.showcase-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.primary-action-btn,
.secondary-action-btn {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border-radius: 8px;
  padding: 15px 30px;
  overflow: hidden;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-align: center;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.primary-action-btn {
  color: white;
  background: var(--main-color);
}

.primary-action-btn:hover {
  box-shadow: 0 8px 25px rgba(42, 93, 138, 0.3);
  background: var(--secondary-color);
  transform: translateY(-2px);
}

.secondary-action-btn {
  border: 2px solid var(--main-color);
  color: var(--main-color);
  background: transparent;
}

.secondary-action-btn:hover {
  color: white;
  background: var(--main-color);
}

.visual-container {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
}

.main-visual {
  width: 100%;
  height: 400px;
  border-radius: 15px;
  object-fit: cover;
}

.visual-overlay {
  position: absolute;
  right: 20px;
  bottom: 20px;
}

.overlay-card {
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

.overlay-card i {
  margin-bottom: 8px;
  color: var(--secondary-color);
  font-size: 24px;
}

.overlay-card h4 {
  margin-bottom: 5px;
  color: var(--main-color);
  font-size: 1.1rem;
}

.overlay-card p {
  color: var(--text-color);
  font-size: 0.9rem;
}


.steel-solutions-hub {
  padding: 100px 0;
  background: var(--secondary-bg-color);
}

.hub-header {
  display: grid;
  grid-template-columns: 2fr 1fr;
  align-items: center;
  gap: 50px;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
  color: var(--secondary-color);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section-tag i {
  font-size: 16px;
}

.hub-title {
  margin-bottom: 15px;
  color: var(--main-color);
  font-weight: 700;
  font-size: 2.5rem;
  line-height: 1.2;
}

.hub-subtitle {
  opacity: 0.9;
  color: var(--text-color);
  font-size: 1.1rem;
  line-height: 1.6;
}

.header-image {
  width: 100%;
  height: 300px;
  border-radius: 15px;
  object-fit: cover;
  box-shadow: 0 15px 35px rgba(42, 93, 138, 0.15);
}

.steel-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.product-category-card {
  position: relative;
  border: 2px solid transparent;
  border-radius: 15px;
  padding: 30px;
  overflow: hidden;
  background: var(--bg-color);
  transition: all 0.3s ease;
}

.product-category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary-color), var(--main-color));
  transition: left 0.5s ease;
}

.product-category-card:hover::before {
  left: 0;
}

.product-category-card:hover {
  border-color: var(--accent-color);
  box-shadow: 0 20px 40px rgba(42, 93, 138, 0.15);
  transform: translateY(-5px);
}

.category-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--main-color), var(--secondary-color));
}

.category-icon i {
  color: white;
  font-size: 24px;
}

.category-title {
  margin-bottom: 10px;
  color: var(--main-color);
  font-weight: 600;
  font-size: 1.3rem;
}

.category-description {
  margin-bottom: 20px;
  color: var(--text-color);
  line-height: 1.5;
}

.category-specs {
  margin-bottom: 20px;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--accent-color);
  padding: 8px 0;
}

.spec-item:last-child {
  border-bottom: none;
}

.spec-label {
  color: var(--text-color);
  font-weight: 500;
}

.spec-value {
  color: var(--main-color);
  font-weight: 600;
}

.category-image {
  width: 100%;
  height: 300px;
  margin-top: 15px;
  border-radius: 10px;
  object-fit: cover;
}

.steel-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-highlight {
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  background: rgba(42, 93, 138, 0.05);
  transition: all 0.3s ease;
}

.feature-highlight:hover {
  color: white;
  background: var(--main-color);
  transform: translateY(-3px);
}

.feature-highlight i {
  margin-bottom: 15px;
  color: var(--secondary-color);
  font-size: 30px;
}

.feature-highlight:hover i {
  color: white;
}

.feature-highlight h4 {
  margin-bottom: 10px;
  color: var(--main-color);
  font-size: 1.2rem;
}

.feature-highlight:hover h4 {
  color: white;
}

.feature-highlight p {
  color: var(--text-color);
  line-height: 1.5;
}

.feature-highlight:hover p {
  color: rgba(255, 255, 255, 0.9);
}


.concrete-innovation-zone {
  padding: 100px 0;
  background: var(--bg-color);
}

.zone-layout {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 60px;
}

.zone-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 15px 35px rgba(42, 93, 138, 0.1);
  background: var(--secondary-bg-color);
}

.zone-identifier {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--secondary-color);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.zone-identifier i {
  font-size: 18px;
}

.zone-headline {
  margin-bottom: 20px;
  color: var(--main-color);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1.2;
}

.zone-overview {
  margin-bottom: 30px;
  color: var(--text-color);
  line-height: 1.6;
}

.zone-highlights {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.highlight-point {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-color);
  font-weight: 500;
}

.highlight-point i {
  width: 20px;
  color: var(--secondary-color);
  font-size: 16px;
}

.concrete-solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.solution-module {
  border: 1px solid var(--accent-color);
  border-radius: 15px;
  overflow: hidden;
  background: var(--secondary-bg-color);
  transition: all 0.3s ease;
}

.solution-module:hover {
  box-shadow: 0 25px 50px rgba(42, 93, 138, 0.15);
  transform: translateY(-8px);
}

.module-header {
  position: relative;
  height: 300px;
  overflow: hidden;
}

.module-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.solution-module:hover .module-image {
  transform: scale(1.05);
}

.module-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(42, 93, 138, 0.9);
  backdrop-filter: blur(10px);
}

.module-badge i {
  color: white;
  font-size: 18px;
}

.module-content {
  padding: 25px;
}

.module-title {
  margin-bottom: 10px;
  color: var(--main-color);
  font-weight: 600;
  font-size: 1.2rem;
}

.module-description {
  margin-bottom: 20px;
  color: var(--text-color);
  line-height: 1.5;
}

.module-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--accent-color);
  padding: 8px 0;
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-key {
  color: var(--text-color);
  font-size: 0.9rem;
}

.detail-value {
  color: var(--main-color);
  font-weight: 600;
}


.composite-technology-center {
  position: relative;
  padding: 100px 0;
  background: var(--secondary-bg-color);
}

.composite-technology-center::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

.center-header {
  margin-bottom: 80px;
  text-align: center;
}

.header-decoration {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.deco-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--secondary-color));
}

.header-decoration i {
  border-radius: 50%;
  padding: 15px;
  color: var(--secondary-color);
  font-size: 24px;
  background: rgba(230, 179, 37, 0.1);
}

.center-title {
  margin-bottom: 20px;
  color: var(--main-color);
  font-weight: 700;
  font-size: 2.8rem;
}

.center-subtitle {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-color);
  font-size: 1.1rem;
  line-height: 1.6;
}

.composite-explorer {
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(42, 93, 138, 0.1);
  overflow: hidden;
  background: var(--bg-color);
}

.explorer-navigation {
  display: flex;
  background: var(--main-color);
}

.nav-item {
  display: flex;
  flex: 1;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px;
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
  cursor: pointer;
}

.nav-item:last-child {
  border-right: none;
}

.nav-item.active,
.nav-item:hover {
  color: white;
  background: var(--secondary-color);
}

.nav-item i {
  font-size: 20px;
}

.nav-item span {
  font-weight: 600;
}

.explorer-content {
  position: relative;
  min-height: 500px;
}

.content-panel {
  display: none;
  padding: 40px;
}

.content-panel.active {
  display: block;
}

.panel-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  align-items: start;
  gap: 40px;
}

.panel-heading {
  margin-bottom: 15px;
  color: var(--main-color);
  font-weight: 600;
  font-size: 1.8rem;
}

.panel-description {
  margin-bottom: 30px;
  color: var(--text-color);
  line-height: 1.6;
}

.composite-specifications {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.spec-group {
  border-radius: 12px;
  border-left: 4px solid var(--secondary-color);
  padding: 20px;
  background: var(--secondary-bg-color);
}

.spec-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  color: var(--main-color);
  font-size: 1.1rem;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.spec-detail {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.spec-name {
  opacity: 0.8;
  color: var(--text-color);
  font-size: 0.9rem;
}

.spec-data {
  color: var(--main-color);
  font-weight: 600;
}

.pricing-section {
  border-radius: 12px;
  border-left: 4px solid var(--secondary-color);
  padding: 20px;
  background: rgba(230, 179, 37, 0.05);
}

.pricing-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  color: var(--main-color);
  font-size: 1.1rem;
}

.pricing-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--accent-color);
  padding: 8px 0;
}

.price-item:last-child {
  border-bottom: none;
}

.item-name {
  color: var(--text-color);
}

.item-price {
  color: var(--secondary-color);
  font-weight: 600;
}

.panel-visual {
  position: relative;
}

.panel-image {
  width: 100%;
  height: 300px;
  border-radius: 15px;
  object-fit: cover;
}

.visual-stats {
  position: absolute;
  bottom: 15px;
  left: 15px;
  display: flex;
  gap: 10px;
}

.stat-bubble {
  display: flex;
  align-items: center;
  gap: 5px;
  border-radius: 20px;
  padding: 8px 12px;
  color: white;
  font-weight: 600;
  font-size: 0.8rem;
  background: rgba(42, 93, 138, 0.9);
  backdrop-filter: blur(10px);
}

.polymer-applications {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.application-card {
  border-radius: 12px;
  border-left: 4px solid var(--secondary-color);
  padding: 20px;
  background: var(--secondary-bg-color);
  transition: all 0.3s ease;
}

.application-card:hover {
  box-shadow: 0 10px 25px rgba(42, 93, 138, 0.1);
  transform: translateX(5px);
}

.application-card i {
  margin-bottom: 10px;
  color: var(--secondary-color);
  font-size: 24px;
}

.application-card h4 {
  margin-bottom: 8px;
  color: var(--main-color);
}

.application-card p {
  margin-bottom: 10px;
  color: var(--text-color);
  font-size: 0.9rem;
}

.app-price {
  color: var(--secondary-color);
  font-weight: 600;
}

.hybrid-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}

.showcase-item {
  border-radius: 15px;
  padding: 25px;
  text-align: center;
  background: var(--secondary-bg-color);
  transition: all 0.3s ease;
}

.showcase-item:hover {
  box-shadow: 0 15px 30px rgba(42, 93, 138, 0.15);
  transform: translateY(-5px);
}

.showcase-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 60px;
  margin: 0 auto 15px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--main-color), var(--secondary-color));
}

.showcase-icon i {
  color: white;
  font-size: 24px;
}

.showcase-item h4 {
  margin-bottom: 10px;
  color: var(--main-color);
}

.showcase-item p {
  margin-bottom: 15px;
  color: var(--text-color);
  font-size: 0.9rem;
}

.showcase-specs {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.8rem;
}

.showcase-specs span {
  opacity: 0.8;
  color: var(--text-color);
}


.thermal-protection-facility {
  padding: 100px 0;
  background: var(--bg-color);
}

.facility-framework {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.framework-intro {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.intro-marker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  border-radius: 25px;
  padding: 10px 20px;
  color: var(--main-color);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(42, 93, 138, 0.1);
}

.intro-marker i {
  font-size: 18px;
}

.framework-headline {
  margin-bottom: 20px;
  color: var(--main-color);
  font-weight: 700;
  font-size: 2.5rem;
  line-height: 1.2;
}

.framework-description {
  color: var(--text-color);
  font-size: 1.1rem;
  line-height: 1.6;
}

.insulation-catalog {
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(42, 93, 138, 0.1);
  overflow: hidden;
  background: var(--secondary-bg-color);
}

.catalog-filters {
  display: flex;
  border-bottom: 1px solid var(--accent-color);
  background: rgba(42, 93, 138, 0.05);
}

.filter-btn {
  display: flex;
  flex: 1;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border: none;
  padding: 20px;
  color: var(--text-color);
  font-weight: 600;
  background: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.filter-btn.active,
.filter-btn:hover {
  color: white;
  background: var(--main-color);
}

.filter-btn i {
  font-size: 18px;
}

.catalog-display {
  padding: 40px;
}

.insulation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.insulation-grid.active {
  display: grid;
}

.insulation-grid:not(.active) {
  display: none;
}

.insulation-product-card {
  border: 2px solid transparent;
  border-radius: 15px;
  overflow: hidden;
  background: var(--bg-color);
  transition: all 0.3s ease;
}

.insulation-product-card:hover {
  border-color: var(--secondary-color);
  box-shadow: 0 25px 50px rgba(42, 93, 138, 0.15);
  transform: translateY(-10px);
}

.product-visual-section {
  position: relative;
  height: 300px;
  overflow: hidden;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.insulation-product-card:hover .product-image {
  transform: scale(1.05);
}

.efficiency-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  display: flex;
  align-items: center;
  gap: 5px;
  border-radius: 15px;
  padding: 5px 10px;
  color: white;
  font-weight: 600;
  font-size: 0.8rem;
  background: rgba(230, 179, 37, 0.9);
  backdrop-filter: blur(10px);
}

.product-information {
  padding: 25px;
}

.product-name {
  margin-bottom: 8px;
  color: var(--main-color);
  font-weight: 600;
  font-size: 1.2rem;
}

.product-summary {
  margin-bottom: 20px;
  color: var(--text-color);
  line-height: 1.5;
}

.product-metrics {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--accent-color);
  padding: 8px 0;
}

.metric-item:last-child {
  border-bottom: none;
}

.metric-item i {
  width: 20px;
  color: var(--secondary-color);
  font-size: 14px;
}

.metric-label {
  flex: 1;
  color: var(--text-color);
  font-size: 0.9rem;
}

.metric-value {
  color: var(--main-color);
  font-weight: 600;
}

.product-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.benefit-tag {
  display: flex;
  align-items: center;
  gap: 5px;
  border-radius: 15px;
  padding: 5px 10px;
  color: var(--main-color);
  font-weight: 500;
  font-size: 0.8rem;
  background: rgba(42, 93, 138, 0.1);
}

.benefit-tag i {
  font-size: 12px;
}

.regional-applications {
  margin-top: 40px;
  border-radius: 15px;
  padding: 30px;
  background: rgba(42, 93, 138, 0.05);
}

.applications-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 25px;
  color: var(--main-color);
  font-size: 1.3rem;
}

.applications-title i {
  color: var(--secondary-color);
}

.region-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.region-card {
  border-radius: 12px;
  border-left: 4px solid var(--secondary-color);
  padding: 20px;
  background: var(--secondary-bg-color);
}

.region-header {
  margin-bottom: 15px;
}

.region-header i {
  margin-bottom: 8px;
  color: var(--secondary-color);
  font-size: 24px;
}

.region-header h4 {
  margin-bottom: 5px;
  color: var(--main-color);
}

.region-examples {
  opacity: 0.8;
  color: var(--text-color);
  font-size: 0.9rem;
}

.region-recommendations {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.recommendation {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-color);
  font-size: 0.9rem;
}

.recommendation i {
  color: var(--secondary-color);
  font-size: 12px;
}



@media (max-width: 1024px) {
  .showcase-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .showcase-stats {
    justify-content: center;
  }

  .hub-header {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .steel-product-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  .zone-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .zone-sidebar {
    position: static;
  }

  .panel-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .hybrid-showcase {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .primary-showcase {
    padding: 80px 0 60px;
  }

  .showcase-title {
    font-size: 2.5rem;
  }

  .showcase-stats {
    gap: 20px;
  }

  .showcase-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .steel-product-grid {
    grid-template-columns: 1fr;
  }

  .steel-features {
    grid-template-columns: 1fr;
  }

  .concrete-solutions-grid {
    grid-template-columns: 1fr;
  }

  .explorer-navigation {
    flex-direction: column;
  }

  .content-panel {
    padding: 25px;
  }

  .insulation-grid {
    grid-template-columns: 1fr;
  }

  .region-cards {
    grid-template-columns: 1fr;
  }

  .catalog-filters {
    flex-direction: column;
  }

  .center-title {
    font-size: 2.2rem;
  }

  .hub-title {
    font-size: 2rem;
  }

  .framework-headline {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .showcase-title {
    font-size: 2rem;
  }

  .primary-action-btn,
  .secondary-action-btn {
    padding: 12px 20px;
    font-size: 0.9rem;
  }

  .product-category-card {
    padding: 20px;
  }

  .solution-module {
    margin-bottom: 20px;
  }

  .content-panel {
    padding: 20px;
  }

  .insulation-product-card {
    margin-bottom: 20px;
  }
}

@media (max-width: 425px) {
  .showcase-stats {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .catalog-display {
    padding: 0;
  }
}