:root {
  --ink: #0d1f3c;
  --muted: #63708a;
  --paper: #f4f7fc;
  --surface: #ffffff;
  --line: #dde6f5;
  --clay: #0a529e;
  --clay-dark: #052d57;
  --clay-soft: #e6f0fc;
  --teal: #1271cc;
  --teal-soft: #e8f0fd;
  --sun: #ffb020;
  --steel: #6b7a9a;
  --shadow: 0 18px 42px rgba(10, 82, 158, 0.12);
  --max: 1180px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-behavior: auto;
}

body {
  min-height: 100%;
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}

body.photo-lightbox-open,
body.account-modal-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
  padding: 0 clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(10, 82, 158, 0.12);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px rgba(10, 82, 158, 0.08);
  color: var(--ink);
  backdrop-filter: blur(18px);
  transition:
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-header[data-elevated="true"],
.site-header.is-open {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 34px rgba(10, 82, 158, 0.12);
  color: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}

.brand-logo {
  display: block;
  width: clamp(92px, 10vw, 118px);
  height: 56px;
  object-fit: contain;
}

.brand-country {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f0f5ff;
  color: var(--clay);
  padding: 0 9px;
  font-size: 0.72rem;
  font-weight: 900;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  font-size: 0.94rem;
}

.main-nav a {
  opacity: 0.84;
}

.main-nav a:hover {
  opacity: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-switch {
  display: inline-grid;
  grid-template-columns: repeat(3, 1fr);
  min-width: 118px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, currentColor 24%, transparent);
  border-radius: 8px;
}

.language-switch button {
  min-width: 0;
  border: 0;
  background: transparent;
  color: currentColor;
  padding: 7px 9px;
  font-size: 0.76rem;
  font-weight: 700;
}

.language-switch button.is-active {
  background: color-mix(in srgb, currentColor 14%, transparent);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--clay), var(--teal));
  color: #fff;
  font-weight: 800;
  white-space: nowrap;
}

.account-entry {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(10, 82, 158, 0.18);
  border-radius: 8px;
  background: #fff;
  color: var(--clay);
  padding: 0;
  box-shadow: 0 10px 22px rgba(10, 82, 158, 0.08);
}

.account-entry svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.account-entry-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.account-entry:hover {
  border-color: rgba(10, 82, 158, 0.36);
  background: var(--teal-soft);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid color-mix(in srgb, currentColor 28%, transparent);
  border-radius: 8px;
  background: transparent;
  color: currentColor;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 0;
  overflow: clip;
  padding: 98px max(18px, calc((100vw - var(--max)) / 2)) 30px;
  background:
    linear-gradient(180deg, #f7faff 0%, #eef5ff 58%, #f4f7fc 100%);
  color: var(--ink);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 82, 158, 0.08), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.3), transparent);
}

.hero::after {
  display: none;
}

.catalog-shell-hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 282px minmax(0, 1fr);
  align-items: stretch;
  gap: 18px;
  width: min(var(--max), 100%);
  min-height: 0;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--clay);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero .eyebrow {
  color: var(--clay);
}

h1,
h2,
h3,
p,
li,
dd {
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(2.4rem, 5.6vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-copy h2 {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--ink);
  font-size: clamp(1.28rem, 2.4vw, 2.25rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 520px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 760;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 24px;
  font-weight: 800;
  line-height: 1.1;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--clay), var(--teal));
  color: #fff;
  box-shadow: 0 12px 28px rgba(10, 82, 158, 0.24);
}

.button-primary:hover {
  background: linear-gradient(135deg, var(--clay-dark), var(--clay));
}

.button-secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.stock-board {
  align-self: stretch;
  display: grid;
  align-content: space-between;
  min-height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(14px);
  padding: 22px;
}

.stock-board-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 18px;
}

.stock-board-header span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.86rem;
  font-weight: 900;
  text-transform: uppercase;
}

.stock-board-header strong {
  color: var(--sun);
}

.stock-list {
  display: grid;
  gap: 12px;
  margin: 22px 0;
}

.stock-list div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  min-height: 64px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 11px;
  background: rgba(0, 0, 0, 0.14);
}

.stock-list dt {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--clay);
  font-weight: 900;
}

.stock-list dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 750;
}

.material-stack {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.material-stack span {
  display: block;
  height: 20px;
  border-radius: 4px;
  background: #d8d4c9;
  box-shadow: inset 0 -5px 0 rgba(0, 0, 0, 0.14);
}

.material-stack span:nth-child(2) {
  width: 92%;
  background: #9ca39f;
}

.material-stack span:nth-child(3) {
  width: 78%;
  background: var(--sun);
}

.material-stack span:nth-child(4) {
  width: 86%;
  background: var(--clay);
}

.quick-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: var(--ink);
  color: #fff;
}

.quick-strip a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 0 14px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
}

.section {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(54px, 7vw, 88px) 0;
  scroll-margin-top: 92px;
}

.section-heading {
  display: block;
  max-width: 680px;
  margin-bottom: 26px;
}

.section-heading > * {
  min-width: 0;
}

.section-heading h2 {
  max-width: 640px;
  margin: 0;
  font-size: clamp(1.15rem, 1.45vw, 1.55rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.intro-section {
  padding-block: clamp(34px, 5vw, 56px);
}

.intro-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: clamp(24px, 6vw, 62px);
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(22, 24, 23, 0.06);
  padding: clamp(22px, 4vw, 36px);
}

.intro-copy {
  color: var(--muted);
}

.intro-copy h2 {
  max-width: 700px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.18rem, 1.7vw, 1.65rem);
  line-height: 1.12;
}

.intro-copy p:not(.eyebrow) {
  max-width: 700px;
  margin: 14px 0 0;
}

.intro-checklist {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.intro-checklist li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 11px;
  align-items: center;
  min-height: 42px;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 850;
}

.intro-checklist span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 8px;
  background: var(--teal-soft);
  color: var(--teal);
}

.intro-checklist svg,
.solution-grid svg,
.process-line svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.catalog-section {
  border-top: 1px solid var(--line);
}

.search-field {
  display: grid;
  gap: 5px;
  min-width: min(320px, 100%);
}

.search-field span,
.calculator-form span,
.toggle-row label,
.lead-form span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.search-field input,
.calculator-form input,
.calculator-form select,
.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  outline: none;
}

.calculator-form input,
.calculator-form select {
  height: 40px;
  min-height: 40px;
  padding-inline: 11px;
}

.lead-form textarea {
  min-height: 112px;
  padding: 12px 13px;
  resize: vertical;
}

.search-field input:focus,
.calculator-form input:focus,
.calculator-form select:focus,
.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(10, 82, 158, 0.12);
}

.catalog-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 18px;
}

.hero .catalog-shell {
  grid-template-columns: 286px minmax(0, 1fr);
}

.catalog-sidebar,
.catalog-main {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 10px 28px rgba(22, 24, 23, 0.05);
}

.catalog-sidebar {
  align-self: start;
  position: sticky;
  top: 92px;
  overflow: hidden;
}

.hero .catalog-sidebar {
  position: relative;
  top: auto;
  align-self: stretch;
}

.catalog-sidebar-head {
  display: grid;
  gap: 5px;
  padding: 17px 18px;
  border-bottom: 1px solid var(--line);
  background: #f9fbff;
}

.catalog-sidebar-head strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.catalog-sidebar-head span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.category-list {
  display: grid;
}

.category-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 54px;
  border-bottom: 1px solid var(--line);
  padding: 12px 16px;
  color: var(--ink);
  font-weight: 850;
  transition:
    background 160ms ease,
    color 160ms ease;
}

.category-link:last-child {
  border-bottom: 0;
}

.category-link span {
  min-width: 0;
}

.category-link small {
  display: grid;
  min-width: 34px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.category-link.is-active {
  background: linear-gradient(135deg, var(--clay), var(--teal));
  color: #fff;
}

.category-link.is-active small {
  border-color: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.catalog-main {
  min-width: 0;
  padding: 20px;
}

.catalog-panel-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
  gap: 18px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.catalog-panel-head .eyebrow {
  margin-bottom: 8px;
  color: var(--clay);
}

.catalog-panel-head h1 {
  color: var(--ink);
  font-size: clamp(1.95rem, 3.25vw, 3rem);
  line-height: 0.96;
}

.catalog-panel-head h1 span {
  display: block;
}

.catalog-panel-head h1 span + span {
  color: var(--clay);
}

.catalog-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 850;
}

.catalog-crumbs a {
  color: var(--teal);
}

.catalog-crumbs span:last-child {
  color: var(--ink);
}

.catalog-panel-head h3 {
  margin: 4px 0 8px;
  font-size: clamp(1.55rem, 3.4vw, 2.8rem);
  line-height: 1;
}

.catalog-panel-head p:not(.product-kicker) {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
}

.catalog-panel-head .hero-lead {
  margin-top: 10px;
}

.catalog-section-title {
  display: grid;
  gap: 7px;
  margin: 20px 0 16px;
}

.catalog-section-title h3 {
  margin: 0;
  font-size: clamp(1.4rem, 2.4vw, 2.15rem);
  line-height: 1.05;
}

.catalog-section-title p:not(.product-kicker) {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
}

.catalog-state-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
}

.catalog-state-row span,
.catalog-state-row a,
.clear-search {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 11px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 850;
}

.catalog-state-row span {
  background: #f8f6ef;
  color: var(--ink);
}

.catalog-state-row a {
  color: var(--teal);
}

.catalog-tools {
  display: grid;
  gap: 10px;
  align-content: start;
}

.hero-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.hero-image-card {
  position: relative;
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #dfe8f2;
  box-shadow: 0 12px 28px rgba(10, 82, 158, 0.08);
}

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

.clear-search {
  width: fit-content;
  background: #fff;
  color: var(--ink);
}

.clear-search:hover {
  border-color: var(--clay);
  color: var(--clay);
}

.clear-search:disabled {
  cursor: default;
  opacity: 0.52;
}

.clear-search:disabled:hover {
  border-color: var(--line);
  color: var(--ink);
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.category-tags span {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 18px;
  align-items: stretch;
}

.catalog-products {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero .catalog-products {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
  min-height: 430px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(23, 32, 34, 0.05);
}

.product-card.is-hidden {
  display: none;
}

.product-visual {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  min-height: 0;
  border-bottom: 1px solid var(--line);
}

.product-photo {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #fff;
}

.product-photo-button {
  border: 0;
  padding: 0;
  appearance: none;
  cursor: zoom-in;
}

.product-photo img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px 16px;
  transition: transform 180ms ease;
}

.product-photo-button:hover img {
  transform: scale(1.035);
}

.visual-acoustic {
  background:
    radial-gradient(circle at 18px 18px, rgba(23, 32, 34, 0.34) 0 2px, transparent 2px),
    linear-gradient(135deg, #f7f7f1, #d7e3dd);
  background-size: 26px 26px, cover;
}

.visual-moisture {
  background:
    linear-gradient(120deg, rgba(10, 82, 158, 0.16), transparent 36%),
    repeating-linear-gradient(90deg, #f7fbfb 0 22px, #e4efed 22px 44px);
}

.visual-profile {
  background:
    linear-gradient(135deg, transparent 0 42%, rgba(240, 179, 74, 0.82) 42% 50%, transparent 50%),
    repeating-linear-gradient(90deg, #d9dde0 0 14px, #8d999f 14px 18px, #eef0ee 18px 32px);
}

.visual-boards {
  background:
    linear-gradient(140deg, rgba(164, 67, 49, 0.18), transparent 44%),
    repeating-linear-gradient(0deg, #faf9f4 0 28px, #dedbd1 28px 30px);
}

.visual-mix {
  background:
    linear-gradient(135deg, rgba(164, 67, 49, 0.24), transparent 38%),
    repeating-linear-gradient(0deg, #f5efe4 0 18px, #e0d8ca 18px 20px, #faf9f4 20px 38px);
}

.visual-metal {
  background:
    repeating-linear-gradient(90deg, #bbc5c8 0 16px, #eef2f1 16px 24px, #6d7a80 24px 28px),
    linear-gradient(135deg, #f7f7f1, #d5dcdd);
}

.visual-vinyl {
  background:
    linear-gradient(90deg, rgba(183, 66, 47, 0.18), transparent),
    repeating-linear-gradient(90deg, #faf9f4 0 40px, #d8d4c9 40px 42px);
}

.visual-drywall-profile {
  background:
    linear-gradient(135deg, rgba(89, 98, 96, 0.28), transparent 48%),
    repeating-linear-gradient(120deg, #e7e8e4 0 18px, #9fa8a5 18px 24px, #f6f5ee 24px 42px);
}

.visual-accessories {
  background:
    linear-gradient(135deg, rgba(183, 66, 47, 0.2), transparent 42%),
    repeating-linear-gradient(90deg, #f5f2ea 0 20px, #c8c2b8 20px 24px, #eee9dd 24px 44px);
}

.product-content {
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-content: stretch;
  gap: 12px;
  min-height: 0;
  padding: 18px;
}

.product-kicker {
  margin: 0;
  color: var(--clay);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}

.product-card h3,
.solution-grid h3,
.process-line h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.15;
}

.product-card h3 {
  display: -webkit-box;
  min-height: 2.3em;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.product-card p,
.solution-grid p,
.process-line p {
  margin: 0;
  color: var(--muted);
}

.product-card ul {
  display: grid;
  gap: 6px;
  align-self: start;
  margin: 0;
  padding-left: 18px;
  color: var(--ink);
  font-weight: 700;
}

.product-card .button {
  width: fit-content;
  min-height: 40px;
  align-self: end;
  margin-top: 4px;
  padding-inline: 14px;
  font-size: 0.9rem;
}

.product-card .button-secondary {
  border-color: var(--clay);
  background: var(--clay);
  color: #fff;
}

.catalog-empty {
  margin: 0;
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 22px;
  color: var(--muted);
  font-weight: 800;
}

.solutions-section {
  border-top: 1px solid var(--line);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.solution-grid article {
  display: grid;
  align-content: start;
  gap: 18px;
  min-height: 270px;
  padding: 24px;
  background: #fff;
}

.solution-grid span {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 8px;
  background: var(--teal-soft);
  color: var(--teal);
}

.calculator-section {
  width: 100%;
  max-width: none;
  padding-block: clamp(44px, 6vw, 72px);
  padding-inline: max(18px, calc((100vw - var(--max)) / 2));
  background: #eef4ff;
}

.calculator-section .section-heading {
  width: min(var(--max), 100%);
  max-width: none;
  margin-inline: auto;
}

.calculator-shell {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(320px, 0.78fr);
  gap: 18px;
  align-items: start;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.calculator-form,
.calculator-result,
.lead-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.calculator-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 12px 14px;
  padding: 18px;
}

.calculator-form label,
.lead-form label {
  display: grid;
  gap: 4px;
}

.toggle-row {
  grid-column: 1 / -1;
  display: inline-flex !important;
  grid-template-columns: none;
  align-items: center;
  gap: 10px !important;
  width: fit-content;
  padding-top: 6px;
}

.toggle-row input {
  width: 20px;
  height: 20px;
  min-height: 20px;
  accent-color: var(--teal);
}

.toggle-row label {
  color: var(--ink);
  cursor: pointer;
}

.calculator-result {
  display: grid;
  gap: 14px;
  padding: 20px;
}

.result-main {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.result-main span,
.result-grid span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.result-main strong {
  color: var(--clay);
  font-size: clamp(1.8rem, 4vw, 3.15rem);
  line-height: 1;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.result-grid div {
  min-height: 76px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.result-grid strong {
  display: block;
  margin-top: 6px;
  font-size: 1.08rem;
}

.calculator-materials {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbff;
  padding: 12px;
}

.calculator-materials strong {
  color: var(--ink);
  font-size: 0.9rem;
}

.calculator-materials ul {
  display: grid;
  gap: 5px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.88rem;
}

.calculator-result .button {
  width: fit-content;
}

.result-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.delivery-section {
  border-top: 1px solid var(--line);
}

.process-line {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-line article {
  position: relative;
  min-height: 230px;
  border-left: 3px solid var(--clay);
  padding: 0 22px 0 20px;
}

.process-line span {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 10px;
  background: var(--clay-soft);
  color: var(--clay);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 7vw, 86px);
  align-items: start;
  border-top: 1px solid var(--line);
}

.contact-copy h2 {
  margin: 0;
  font-size: clamp(1.18rem, 1.7vw, 1.65rem);
  line-height: 1.12;
}

.contact-copy p:not(.eyebrow) {
  max-width: 620px;
  color: var(--muted);
  font-size: 1.06rem;
}

.contact-list {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.contact-list a,
.contact-list span {
  display: inline-flex;
  width: fit-content;
  min-height: 40px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-weight: 800;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 24px;
}

.lead-form-wide {
  grid-column: 1 / -1;
}

.materials-field {
  grid-column: 1 / -1;
  min-width: 0;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
}

.materials-field legend {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  padding-inline: 5px;
}

.materials-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.material-choice {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbff;
  padding: 8px 10px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.material-choice input {
  width: 17px;
  height: 17px;
  min-height: 17px;
  accent-color: var(--clay);
}

.material-choice span {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.lead-form .material-choice {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lead-form .button {
  width: fit-content;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--clay);
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 34px clamp(18px, 4vw, 56px);
  background: #052d57;
  color: #fff;
}

.footer-logo {
  display: block;
  width: 118px;
  height: 72px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  padding: 6px 8px;
}

.site-footer p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.site-footer a {
  color: #fff;
  font-weight: 900;
}

.photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 48px);
  background: rgba(6, 21, 42, 0.72);
  backdrop-filter: blur(10px);
}

.photo-lightbox[hidden] {
  display: none;
}

.photo-lightbox-panel {
  display: grid;
  gap: 12px;
  width: min(920px, 100%);
  max-height: min(82dvh, 760px);
  margin: 0;
  border: 1px solid rgba(221, 230, 245, 0.92);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.24);
  padding: clamp(14px, 2vw, 22px);
}

.photo-lightbox-panel img {
  display: block;
  width: 100%;
  max-height: min(68dvh, 620px);
  object-fit: contain;
}

.photo-lightbox-panel figcaption {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 850;
  text-align: center;
}

.photo-lightbox-close {
  position: fixed;
  top: clamp(14px, 3vw, 28px);
  right: clamp(14px, 3vw, 28px);
  z-index: 1;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

.photo-lightbox-close span {
  grid-area: 1 / 1;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.photo-lightbox-close span:first-child {
  transform: rotate(45deg);
}

.photo-lightbox-close span:last-child {
  transform: rotate(-45deg);
}

.account-modal {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: grid;
  place-items: center;
  padding: clamp(14px, 3vw, 40px);
  background: rgba(5, 22, 46, 0.62);
  backdrop-filter: blur(10px);
}

.account-modal[hidden] {
  display: none;
}

.account-panel {
  display: grid;
  gap: 18px;
  width: min(980px, 100%);
  max-height: min(88dvh, 820px);
  overflow: auto;
  border: 1px solid rgba(221, 230, 245, 0.92);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.26);
  padding: clamp(18px, 3vw, 28px);
}

.account-panel-head,
.account-user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.account-panel-head .eyebrow {
  margin: 0 0 4px;
}

.account-panel h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.05;
}

.account-close {
  flex: 0 0 auto;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

.account-close span {
  grid-area: 1 / 1;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.account-close span:first-child {
  transform: rotate(45deg);
}

.account-close span:last-child {
  transform: rotate(-45deg);
}

.account-auth,
.account-auth-form,
.admin-product-form {
  display: grid;
  gap: 12px;
}

.account-auth {
  width: min(520px, 100%);
  margin: 0 auto;
}

.account-auth[hidden],
.account-workspace[hidden],
.account-auth-form[hidden],
.admin-list-panel[hidden],
.admin-form-panel[hidden],
.account-calculator-panel[hidden] {
  display: none;
}

.auth-tabs,
.admin-toolbar,
.admin-language-tabs {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7faff;
}

.admin-language-tabs {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(280px, 100%);
}

.admin-toolbar {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(520px, 100%);
}

.auth-tabs button,
.admin-toolbar button,
.admin-language-tabs button {
  min-height: 40px;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0 14px;
  font-size: 0.86rem;
  font-weight: 850;
}

.auth-tabs button.is-active,
.admin-toolbar button.is-active,
.admin-language-tabs button.is-active {
  background: #fff;
  color: var(--clay);
  box-shadow: 0 8px 20px rgba(10, 82, 158, 0.1);
}

.account-auth-form label,
.admin-search-field,
.admin-product-form label {
  display: grid;
  gap: 5px;
}

.account-auth-form span,
.admin-search-field span,
.admin-product-form span,
.admin-photo-field small {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.account-auth-form input,
.admin-search-field input,
.admin-product-form input,
.admin-product-form select,
.admin-product-form textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  outline: none;
}

.account-auth-form .button {
  margin-top: 2px;
}

.admin-product-form textarea {
  min-height: 102px;
  padding: 11px 12px;
  resize: vertical;
}

.account-auth-form input:focus,
.admin-search-field input:focus,
.admin-product-form input:focus,
.admin-product-form select:focus,
.admin-product-form textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(10, 82, 158, 0.12);
}

.account-status {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
}

.account-workspace {
  display: grid;
  gap: 16px;
}

.account-user-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, #f7faff, #fff);
  padding: 12px;
}

.account-user-row strong,
.admin-products-title {
  display: block;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 900;
}

.account-user-row span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.86rem;
}

.account-logout {
  min-height: 38px;
  padding-inline: 14px;
}

.admin-list-panel {
  display: grid;
  gap: 12px;
}

.account-calculator-panel {
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.account-calculator-panel .section-heading {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  max-width: none;
  margin: 0;
}

.account-calculator-panel .section-heading h2 {
  max-width: none;
  font-size: clamp(1.16rem, 2vw, 1.55rem);
}

.account-calculator-panel .calculator-shell {
  width: 100%;
  margin: 0;
  grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1fr);
}

.account-calculator-panel .calculator-form,
.account-calculator-panel .calculator-result {
  box-shadow: none;
}

.admin-search-field {
  max-width: 420px;
}

.admin-product-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.admin-form-title {
  margin: 0;
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.2;
}

.admin-wide {
  grid-column: 1 / -1;
}

.admin-spec-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbff;
  padding: 12px;
}

.admin-spec-fields label {
  min-width: 0;
}

.admin-photo-field input {
  padding: 9px 11px;
}

.admin-photo-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbff;
  padding: 10px;
}

.admin-photo-preview[hidden] {
  display: none;
}

.admin-photo-preview img {
  width: 68px;
  height: 52px;
  border-radius: 6px;
  background: #fff;
  object-fit: contain;
}

.admin-photo-preview span {
  color: var(--ink);
}

.admin-products {
  display: grid;
  gap: 8px;
  max-height: 46dvh;
  overflow: auto;
  padding-right: 2px;
}

.admin-products-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.admin-product-row {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 9px;
}

.admin-product-row img {
  width: 60px;
  height: 48px;
  border-radius: 6px;
  background: #f6f9fe;
  object-fit: contain;
}

.admin-product-row strong {
  display: block;
  font-size: 0.92rem;
  line-height: 1.2;
}

.admin-product-row span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.admin-product-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.admin-edit,
.admin-delete {
  min-height: 34px;
  border: 1px solid rgba(10, 82, 158, 0.16);
  border-radius: 8px;
  background: #fff;
  color: var(--clay);
  padding: 0 11px;
  font-size: 0.82rem;
  font-weight: 850;
}

.admin-delete {
  color: #a32929;
}

.admin-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 1000px) {
  .main-nav {
    position: fixed;
    inset: 76px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
    box-shadow: var(--shadow);
    overflow: hidden;
    max-height: calc(100dvh - 92px);
    overflow-y: auto;
  }

  body.menu-open .main-nav {
    display: flex;
  }

  .main-nav a {
    min-height: 52px;
    padding: 15px 18px;
    border-bottom: 1px solid var(--line);
  }

  .main-nav a:last-child {
    border-bottom: 0;
  }

  .menu-toggle {
    display: inline-block;
  }

  .header-cta {
    display: none;
  }

  .section-heading,
  .intro-card,
  .calculator-shell,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .stock-board {
    min-height: 0;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero .catalog-products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-shell,
  .hero .catalog-shell,
  .catalog-panel-head {
    grid-template-columns: 1fr;
  }

  .catalog-sidebar {
    position: static;
  }

  .solution-grid,
  .process-line {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .site-header {
    height: 62px;
    gap: 10px;
    padding-inline: 12px;
  }

  .brand {
    gap: 6px;
  }

  .brand-logo {
    width: 76px;
    height: 46px;
  }

  .brand-country {
    display: none;
  }

  .main-nav {
    inset: 62px 12px auto 12px;
    max-height: calc(100dvh - 74px);
  }

  .main-nav a {
    min-height: 48px;
    padding: 13px 15px;
  }

  .language-switch {
    min-width: 92px;
    border-radius: 7px;
  }

  .language-switch button {
    padding: 6px 5px;
    font-size: 0.68rem;
  }

  .account-entry {
    width: 38px;
    height: 38px;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
  }

  .menu-toggle span {
    width: 17px;
    margin-block: 4px;
  }

  .hero {
    min-height: 0;
    overflow: visible;
    padding: 72px 14px 26px;
  }

  .account-modal {
    align-items: stretch;
    padding: 10px;
  }

  .account-panel {
    width: 100%;
    max-height: calc(100dvh - 20px);
    padding: 16px;
  }

  .account-panel-head,
  .account-user-row {
    align-items: flex-start;
  }

  .account-auth-form,
  .admin-product-form,
  .admin-spec-fields {
    grid-template-columns: 1fr;
  }

  .admin-product-row {
    grid-template-columns: 48px 1fr;
  }

  .admin-product-row img {
    width: 48px;
    height: 40px;
  }

  .admin-product-actions {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero::before {
    background:
      linear-gradient(135deg, rgba(10, 82, 158, 0.08), transparent 42%),
      linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(10, 82, 158, 0.06));
  }

  .hero::after {
    height: 92px;
    opacity: 0.42;
  }

  .catalog-shell-hero {
    min-height: 0;
    width: 100%;
    gap: 10px;
  }

  .catalog-main {
    padding: 14px;
    box-shadow: 0 10px 24px rgba(10, 82, 158, 0.08);
  }

  .catalog-sidebar {
    position: sticky;
    top: 62px;
    z-index: 12;
    margin: 0 -14px;
    border: 0;
    border-radius: 0;
    background: rgba(244, 248, 255, 0.96);
    box-shadow: 0 10px 22px rgba(10, 82, 158, 0.08);
    backdrop-filter: blur(14px);
    overflow: hidden;
  }

  .catalog-sidebar-head {
    display: none;
  }

  .category-list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 9px 14px 10px;
    scroll-padding-inline: 14px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .category-list::-webkit-scrollbar {
    display: none;
  }

  .category-link {
    grid-template-columns: minmax(0, 1fr) auto;
    flex: 0 0 auto;
    width: auto;
    max-width: 218px;
    min-height: 38px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 7px 16px rgba(10, 82, 158, 0.08);
    padding: 7px 9px 7px 11px;
    gap: 8px;
    font-size: 0.78rem;
    line-height: 1.15;
    scroll-snap-align: start;
  }

  .category-link:last-child {
    border-bottom: 1px solid var(--line);
  }

  .category-link span {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .category-link small {
    min-width: 25px;
    height: 22px;
    border-radius: 999px;
    font-size: 0.66rem;
  }

  .catalog-panel-head {
    gap: 13px;
    padding-bottom: 14px;
  }

  .catalog-panel-head .eyebrow {
    margin-bottom: 7px;
    font-size: 0.68rem;
  }

  .catalog-panel-head h1 {
    font-size: 1.95rem;
    line-height: 1.02;
  }

  .catalog-panel-head .hero-copy h2 {
    margin-top: 6px;
    font-size: 1.1rem;
    line-height: 1.16;
  }

  .catalog-panel-head .hero-lead {
    display: none;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 13px;
  }

  .button {
    min-height: 44px;
    border-radius: 8px;
    padding-inline: 13px;
    font-size: 0.86rem;
  }

  .catalog-tools {
    gap: 8px;
  }

  .hero-side {
    gap: 10px;
  }

  .hero-image-card {
    aspect-ratio: 16 / 9;
  }

  .search-field {
    gap: 4px;
  }

  .search-field span,
  .calculator-form span,
  .toggle-row label,
  .lead-form span {
    font-size: 0.74rem;
  }

  .search-field input,
  .lead-form input,
  .lead-form select,
  .lead-form textarea {
    min-height: 42px;
    padding-inline: 11px;
  }

  h1 {
    font-size: 2rem;
  }

  .catalog-section-title {
    gap: 5px;
    margin: 14px 0 12px;
  }

  .catalog-section-title h3 {
    font-size: 1.28rem;
    line-height: 1.12;
  }

  .catalog-section-title p:not(.product-kicker) {
    display: none;
  }

  .product-kicker {
    font-size: 0.66rem;
  }

  .stock-board {
    padding: 18px;
  }

  .stock-board-header {
    display: grid;
    gap: 4px;
  }

  .section {
    width: min(100% - 32px, var(--max));
    padding: 46px 0;
    scroll-margin-top: 72px;
  }

  .product-grid,
  .catalog-products,
  .hero .catalog-products,
  .solution-grid,
  .process-line,
  .calculator-form,
  .result-grid,
  .lead-form {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .catalog-products,
  .hero .catalog-products {
    grid-auto-rows: auto;
    gap: 12px;
  }

  .product-card {
    grid-template-rows: auto auto;
    min-height: 0;
  }

  .product-visual {
    height: auto;
  }

  .product-photo img {
    padding: 9px 12px;
  }

  .product-content {
    gap: 8px;
    padding: 14px;
  }

  .product-card h3,
  .solution-grid h3,
  .process-line h3 {
    font-size: 1.05rem;
  }

  .product-card p,
  .solution-grid p,
  .process-line p,
  .result-note {
    font-size: 0.9rem;
  }

  .product-card ul {
    gap: 4px;
    margin-top: 2px;
    padding-left: 16px;
    font-size: 0.9rem;
  }

  .product-card .button {
    width: 100%;
    min-height: 40px;
    margin-top: 2px;
  }

  .catalog-empty {
    padding: 16px;
    font-size: 0.9rem;
  }

  .calculator-section {
    width: 100%;
    padding: 42px 16px;
  }

  .calculator-section .section-heading,
  .contact-section .section-heading {
    margin-bottom: 18px;
  }

  .section-heading {
    margin-bottom: 18px;
  }

  .section-heading h2,
  .contact-copy h2,
  .intro-copy h2 {
    font-size: 1.18rem;
    line-height: 1.16;
  }

  .calculator-shell,
  .contact-section {
    gap: 14px;
  }

  .calculator-form,
  .calculator-result,
  .lead-form {
    border-radius: 8px;
    padding: 14px;
  }

  .calculator-form {
    gap: 10px;
  }

  .calculator-form input,
  .calculator-form select {
    height: 38px;
    min-height: 38px;
    padding-inline: 10px;
  }

  .toggle-row {
    gap: 8px !important;
    padding-top: 2px;
  }

  .toggle-row input {
    width: 18px;
    height: 18px;
    min-height: 18px;
  }

  .calculator-result {
    gap: 12px;
  }

  .result-main {
    gap: 6px;
    padding-bottom: 12px;
  }

  .result-main strong {
    font-size: 2.05rem;
  }

  .result-grid {
    gap: 8px;
  }

  .result-grid div {
    min-height: 66px;
    padding: 10px;
  }

  .result-grid strong {
    margin-top: 4px;
    font-size: 1rem;
  }

  .intro-card {
    gap: 18px;
    padding: 18px;
  }

  .intro-copy p:not(.eyebrow),
  .contact-copy p:not(.eyebrow) {
    font-size: 0.94rem;
  }

  .intro-checklist {
    gap: 8px;
  }

  .intro-checklist li {
    min-height: 36px;
    grid-template-columns: 24px 1fr;
    gap: 9px;
    font-size: 0.9rem;
  }

  .intro-checklist span {
    width: 24px;
    height: 24px;
    border-radius: 7px;
  }

  .lead-form-wide {
    grid-column: auto;
  }

  .solution-grid article {
    min-height: 0;
    gap: 12px;
    padding: 18px;
  }

  .solution-grid span,
  .process-line span {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }

  .process-line article {
    min-height: 0;
    padding: 0 0 22px 16px;
  }

  .process-line span {
    margin-bottom: 12px;
  }

  .result-main {
    display: grid;
  }

  .contact-section {
    width: min(100% - 32px, var(--max));
  }

  .contact-list {
    gap: 7px;
    margin-top: 18px;
  }

  .contact-list a,
  .contact-list span {
    min-height: 34px;
    font-size: 0.92rem;
  }

  .lead-form {
    gap: 12px;
  }

  .lead-form label {
    gap: 4px;
  }

  .lead-form textarea {
    min-height: 96px;
  }

  .materials-field {
    padding: 10px;
  }

  .materials-options {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .material-choice {
    min-height: 36px;
    padding: 7px 9px;
    font-size: 0.84rem;
  }

  .material-choice span {
    font-size: 0.84rem;
  }

  .lead-form .button,
  .calculator-result .button,
  .hero-actions .button {
    width: 100%;
  }

  .site-footer {
    display: grid;
    gap: 14px;
    padding: 26px 16px;
  }

  .footer-logo {
    width: 92px;
    height: 58px;
  }
}

@media (max-width: 420px) {
  .site-header {
    padding-inline: 10px;
  }

  .brand-logo {
    width: 70px;
  }

  .language-switch {
    min-width: 84px;
  }

  .language-switch button {
    padding-inline: 4px;
  }

  .account-entry {
    width: 38px;
    height: 38px;
  }

  .hero {
    padding-inline: 12px;
  }

  .catalog-sidebar {
    margin-inline: -12px;
  }

  .category-list {
    padding-inline: 12px;
  }

  .hero-actions {
    grid-template-columns: 1fr;
  }

  .catalog-main,
  .calculator-form,
  .calculator-result,
  .lead-form {
    padding: 12px;
  }
}