:root {
  --color-primary: #111111;
  --color-secondary: #2B2B2B;
  --color-accent: #D62828;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F5F5;
  --color-text: #2B2B2B;
  --color-text-muted: #6B6B6B;
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Inter', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --radius-none: 0;
  --shadow-sm: 0 2px 8px rgba(17, 17, 17, 0.08);
  --shadow-md: 0 4px 16px rgba(17, 17, 17, 0.12);
  --shadow-lg: 0 8px 32px rgba(17, 17, 17, 0.16);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 4rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
  transition: transform var(--transition-medium);
}

.site-header.hidden {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.brand-text {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.nav-desktop {
  display: none;
}

.nav-desktop ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-lg);
}

.nav-desktop a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-desktop a:hover::after,
.nav-desktop a:focus-visible::after {
  width: 100%;
}

.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  margin-left: auto;
  transition: opacity var(--transition-fast);
}

.burger-btn:hover,
.burger-btn:focus-visible {
  opacity: 0.8;
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.burger-line {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

main {
  flex: 1;
  padding-top: var(--header-height);
}

main > section:not(.hero-section):not(.install-showcase):not(.page-hero) {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.hero-section {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-bg-alt) url("../images/creation_2400607823.webp") center / cover no-repeat;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(245, 245, 245, 0.92) 0%, rgba(245, 245, 245, 0.75) 50%, rgba(245, 245, 245, 0.5) 100%);
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 6px;
  height: 0;
  background: var(--color-accent);
  animation: accentGrow 1s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}

@keyframes accentGrow {
  to { height: 100%; }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  min-height: 70vh;
}

.hero-content {
  order: 2;
}

.hero-content .headline {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 var(--space-md);
  opacity: 0;
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.hero-media {
  order: 1;
  position: relative;
  opacity: 0;
  animation: slideIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s forwards;
}

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

.hero-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 var(--space-md);
  color: var(--color-primary);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
  max-width: 60ch;
}

.section-subtitle:has(+ .material-grid) {
  margin-bottom: var(--space-sm);
}

.section-subtitle-light {
  color: rgba(255, 255, 255, 0.85);
}

.section-pad {
  padding: var(--space-2xl) 0;
}

.home-categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.home-category-card {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
}

.home-category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fast);
}

.home-category-card:hover img {
  transform: scale(1.05);
}

.home-category-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background: linear-gradient(transparent, rgba(17, 17, 17, 0.85));
  color: var(--color-bg);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.home-delivery-strip {
  background: var(--color-bg-alt);
}

.home-delivery-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.home-delivery-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 640px) {
  .home-categories-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .home-delivery-inner {
    grid-template-columns: 1fr 1fr;
  }

  .home-delivery-inner .home-delivery-media {
    order: 1;
  }

  .home-delivery-inner .home-delivery-content {
    order: 2;
  }
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-primary);
  color: var(--color-bg);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--color-primary);
  color: var(--color-bg);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.product-card {
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
  z-index: 1;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

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

.product-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform var(--transition-fast);
}

.product-card:hover img {
  transform: translateY(-4px);
}

.product-card-body {
  padding: var(--space-md);
}

.product-card-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.product-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-sm);
}

.product-card-price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.material-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.material-grid .material-image {
  order: 1;
}

.material-grid .material-text {
  order: 2;
}

@media (min-width: 640px) {
  .material-grid {
    grid-template-columns: 1fr 1fr;
  }

  .material-grid .material-image {
    order: 2;
  }

  .material-grid .material-text {
    order: 1;
  }
}

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

.material-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-2xl) 0;
}

.material-section:nth-child(even) .material-text {
  order: 2;
}

.material-section:nth-child(even) .material-image {
  order: 1;
}

.divider-line {
  height: 1px;
  background: var(--color-primary);
  margin: var(--space-xl) 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.divider-line.visible {
  transform: scaleX(1);
}

.install-showcase {
  background: var(--color-primary);
  color: var(--color-bg);
  padding: var(--space-2xl) 0;
}

.install-showcase .section-title {
  color: var(--color-bg);
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.install-item img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.install-item-caption {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-md);
}

.page-hero {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt) url("../images/creation_2400606429.webp") center / cover no-repeat;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(245, 245, 245, 0.88) 0%, rgba(245, 245, 245, 0.82) 100%);
  z-index: 0;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero + section {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
}

.page-hero .section-title {
  margin-bottom: var(--space-sm);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(17, 17, 17, 0.1);
}

.filter-btn {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active,
.filter-btn:focus-visible {
  background: var(--color-primary);
  color: var(--color-bg);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.catalog-card {
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.catalog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--color-accent);
  transition: height var(--transition-fast);
  z-index: 1;
}

.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

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

.catalog-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.catalog-card-body {
  padding: var(--space-md);
}

.catalog-card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  margin: 0 0 var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.catalog-card-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.catalog-card-hidden {
  display: none;
}

.materials-page .material-block {
  margin-bottom: var(--space-2xl);
}

.material-block-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.material-block-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  max-height: 400px;
}

.material-block-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 var(--space-md);
}

.material-block-text p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
}

.accent-divider {
  width: 80px;
  height: 4px;
  background: var(--color-accent);
  margin: var(--space-md) 0;
}

.install-guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.install-diagram {
  background: var(--color-bg-alt);
  padding: var(--space-lg);
  border: 1px solid rgba(17, 17, 17, 0.08);
  transition: box-shadow var(--transition-fast);
}

.install-diagram:hover {
  box-shadow: var(--shadow-md);
}

.install-diagram img {
  width: 100%;
  height: auto;
  margin-bottom: var(--space-md);
}

.install-diagram h4 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-sm);
}

.install-diagram p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
}

.support-cta-block {
  text-align: center;
  background: var(--color-bg-alt);
  padding: var(--space-2xl) var(--space-md);
  border-top: 4px solid var(--color-accent);
  border-bottom: 4px solid var(--color-accent);
}

.support-cta-text {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm);
}

.support-cta-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.support-cta-btn {
  margin-top: var(--space-sm);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.contact-intro {
  margin: 0 0 var(--space-lg);
  font-size: 0.9375rem;
  color: var(--text-muted, #666);
}

.contact-info-block {
  margin-bottom: var(--space-lg);
}

.contact-info-block h3 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-sm);
}

.contact-info-block p,
.contact-info-block a {
  margin: 0;
  font-size: 1rem;
}

.map-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(17, 17, 17, 0.08);
}

.map-wrap iframe {
  width: 100%;
  height: 450px;
  border: 0;
  display: block;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  border: none;
  border-bottom: 2px solid var(--color-primary);
  background: transparent;
  transition: border-color var(--transition-fast), outline var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-bottom-color: var(--color-accent);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group .error-msg {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-top: var(--space-xs);
  display: none;
}

.form-group.has-error .error-msg {
  display: block;
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-bottom-color: var(--color-accent);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.checkbox-group input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
}

.checkbox-group label {
  font-size: 0.875rem;
  cursor: pointer;
}

.checkbox-group .error-msg {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-top: var(--space-xs);
  display: none;
}

.checkbox-group.has-error .error-msg {
  display: block;
}

.site-footer {
  background: var(--color-primary);
  color: var(--color-bg);
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: auto;
  border-top: 4px solid var(--color-accent);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  text-align: center;
}

.footer-col {
  text-align: center;
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 var(--space-md);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: var(--space-sm);
}

.footer-col a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.875rem;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--color-bg);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.footer-bottom p + p {
  margin-top: var(--space-xs, 0.25rem);
}

.footer-company {
  font-weight: 500;
}

.privacy-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.privacy-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.privacy-modal {
  background: var(--color-bg);
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-medium);
}

.privacy-overlay.is-visible .privacy-modal {
  transform: scale(1);
}

.privacy-modal h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.privacy-modal p {
  font-size: 0.9375rem;
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
}

.privacy-modal .btn {
  margin-top: var(--space-md);
}

.thankyou-wrap {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}

.thankyou-wrap h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-md);
}

.thankyou-wrap p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
  max-width: 40ch;
}

.err-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-bg-alt);
}

.err-page h1 {
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: 800;
  color: var(--color-accent);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.03em;
}

.err-page p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
}

.policy-content {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.policy-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: var(--space-xl) 0 var(--space-md);
}

.policy-content h2:first-child {
  margin-top: 0;
}

.policy-updated {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
}

.policy-content p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
}

.progress-bar-vertical {
  position: fixed;
  top: 0;
  right: 0;
  width: 4px;
  height: 100vh;
  background: rgba(17, 17, 17, 0.08);
  z-index: 1001;
  pointer-events: none;
}

.progress-bar-fill {
  width: 100%;
  height: 0;
  background: var(--color-accent);
  transition: height 0.1s linear;
}

.banner-block {
  width: 100%;
  margin: var(--space-lg) 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.banner-block img {
  width: 100%;
  max-width: 1200px;
  height: auto;
  object-fit: cover;
  object-position: center;
  max-height: 320px;
  margin: 0 auto;
  display: block;
}

@media (min-width: 640px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
  }

  .hero-content {
    order: 1;
  }

  .hero-media {
    order: 2;
  }

  .material-section {
    grid-template-columns: 1fr 1fr;
  }

  .material-block-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }

  .footer-inner {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: block;
  }

  .burger-btn {
    display: none;
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .install-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1023px) {
  .mobile-menu {
    position: fixed;
    top: var(--header-height);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }

  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .header-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .footer-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .footer-bottom {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .policy-content {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .support-cta-block {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .thankyou-wrap,
  .err-page {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
}

@media (max-width: 319px) {
  .container {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .header-inner {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .footer-inner,
  .footer-bottom {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .policy-content,
  .support-cta-block,
  .thankyou-wrap,
  .err-page {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }
}