:root {
  --ink: #111820;
  --muted: #5d6875;
  --line: #d9e0e8;
  --paper: #f7f9fb;
  --white: #ffffff;
  --steel: #253241;
  --orange: #d86527;
  --yellow: #f0b84a;
  --green: #2c7357;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 0 5vw;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--orange);
  font-weight: 800;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #253241;
  font-size: 14px;
}

.nav a { padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover { border-color: var(--orange); }

.hero {
  position: relative;
  min-height: 660px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: #111820;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12, 18, 24, 0.94) 0%, rgba(12, 18, 24, 0.74) 42%, rgba(12, 18, 24, 0.25) 100%);
}

.hero-content {
  position: relative;
  width: auto;
  max-width: 780px;
  margin-left: 5vw;
  margin-right: 5vw;
  padding: 92px 0 120px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.02;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 680px;
  color: #d6dee8;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
}

.button.primary { background: var(--orange); color: var(--white); }
.button.secondary { border-color: rgba(255,255,255,0.5); color: var(--white); background: rgba(255,255,255,0.08); }
.button:hover { filter: brightness(0.96); }

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--steel);
  color: var(--white);
}

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

.trust-strip div {
  min-height: 112px;
  padding: 24px 5vw;
  border-right: 1px solid rgba(255,255,255,0.14);
}

.trust-strip strong {
  display: block;
  font-size: 26px;
  line-height: 1.15;
}

.trust-strip span { color: #cbd4df; }

.section {
  width: 90vw;
  max-width: 1180px;
  margin: 0 auto;
  padding: 96px 0;
}

.intro {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product-card {
  display: block;
  min-height: 355px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 26px rgba(22, 34, 45, 0.05);
}

.product-card-link {
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.product-card-link:hover,
.product-card-link:focus-visible {
  transform: translateY(-3px);
  border-color: var(--orange);
  box-shadow: 0 14px 34px rgba(22, 34, 45, 0.12);
  outline: none;
}

.product-code {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card p, .product-card li, .split p, .faq p { color: var(--muted); }
.product-card ul { margin: 16px 0 0; padding-left: 18px; }

.part-finder {
  padding-top: 16px;
}

.finder-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 24px;
  align-items: stretch;
}

.finder-panel,
.finder-result,
.proof-grid article,
.proof-checklist,
.article-card,
.rfq-checklist {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 26px rgba(22, 34, 45, 0.05);
}

.finder-panel {
  display: flex;
  flex-direction: column;
  padding: 28px;
}

.finder-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.chip-button {
  min-height: 38px;
  padding: 0 12px;
  color: var(--steel);
  background: #edf2f6;
  border: 1px solid var(--line);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.chip-button:hover,
.chip-button:focus-visible {
  border-color: var(--orange);
  outline: none;
}

.helper-text,
.form-status {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.finder-selectors {
  display: grid;
  gap: 18px;
  margin-top: auto;
  padding-top: 24px;
}

.selector-label {
  display: block;
  margin-bottom: 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.selector-grid {
  display: grid;
  gap: 10px;
}

.selector-card {
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 14px 16px;
  color: var(--steel);
  text-align: left;
  background: #f4f7fa;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.selector-card strong {
  font-size: 15px;
}

.selector-card span {
  color: var(--muted);
  font-size: 13px;
}

.selector-card:hover,
.selector-card:focus-visible {
  border-color: var(--orange);
  outline: none;
}

.finder-results {
  display: grid;
  gap: 12px;
}

.finder-result {
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.finder-result:hover,
.finder-result:focus-visible {
  transform: translateY(-2px);
  border-color: var(--orange);
  outline: none;
}

.finder-result.is-hidden {
  display: none;
}

.finder-result span,
.article-card p,
.proof-grid p,
.proof-checklist li,
.rfq-checklist li {
  color: var(--muted);
}

.detail-media {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 26px rgba(22, 34, 45, 0.06);
}

.detail-media img,
.detail-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.detail-media figcaption {
  padding: 14px 18px;
  color: var(--muted);
  font-size: 14px;
}

.detail-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.detail-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.detail-copy .product-card {
  min-height: auto;
}

.ceramic-detail {
  padding-top: 16px;
}

.ceramic-layout {
  display: grid;
  gap: 18px;
  align-items: start;
}

.ceramic-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.ceramic-gallery figure {
  overflow: hidden;
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 26px rgba(22, 34, 45, 0.05);
}

.ceramic-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.ceramic-gallery figcaption {
  padding: 14px 16px;
  color: var(--muted);
  font-size: 14px;
}

.ceramic-copy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.ceramic-copy .product-card {
  min-height: auto;
}

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

.spec-list li {
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 54px;
  align-items: start;
}

.model-panel {
  padding: 30px;
  background: #e8eef3;
  border-left: 6px solid var(--orange);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 22px;
}

.tag-cloud span {
  padding: 8px 10px;
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
}

.disclaimer {
  margin-bottom: 0;
  font-size: 13px;
}

.quality {
  width: 100%;
  max-width: none;
  padding-left: 5vw;
  padding-right: 5vw;
  background: #172331;
  color: var(--white);
}

.quality .section-heading { width: 90vw; max-width: 760px; }

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.18);
}

.process-grid div {
  min-height: 260px;
  padding: 28px;
  background: #1d2d3d;
}

.process-grid strong {
  color: var(--yellow);
  font-size: 34px;
}

.process-grid p { color: #c8d3df; }

.buyer-proof {
  padding-bottom: 72px;
}

.proof-grid,
.article-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.proof-grid article,
.article-card {
  padding: 26px;
}

.proof-checklist {
  margin-top: 18px;
  padding: 28px;
}

.proof-checklist ul,
.rfq-checklist ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.applications {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.application-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.application-list span {
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  font-weight: 700;
}

.articles {
  padding-top: 32px;
}

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

.article-card {
  display: block;
  min-height: 220px;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.article-card:hover,
.article-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--orange);
  box-shadow: 0 14px 34px rgba(22, 34, 45, 0.12);
  outline: none;
}

.faq details {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  font-size: 20px;
  font-weight: 800;
}

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

.quote-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  width: 90vw;
  max-width: 1180px;
  margin: 0 auto 96px;
  padding: 54px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.quote-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--steel);
  font-weight: 700;
}

input, textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #b8c4d0;
  border-radius: 0;
  font: inherit;
}

textarea { resize: vertical; }

.quote-form .button { width: fit-content; border: 0; }

.quote-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button.whatsapp {
  color: var(--white);
  background: var(--green);
}

.button.copy {
  color: var(--steel);
  background: #edf2f6;
  border-color: var(--line);
}

.rfq-checklist {
  margin-top: 24px;
  padding: 22px;
}

.sticky-rfq {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: flex;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.24);
  box-shadow: 0 14px 34px rgba(17, 24, 32, 0.22);
}

.sticky-rfq a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  color: var(--white);
  background: var(--steel);
  border-right: 1px solid rgba(255,255,255,0.18);
  font-size: 14px;
  font-weight: 800;
}

.sticky-rfq a:last-child {
  background: var(--orange);
  border-right: 0;
}

.guide-article {
  max-width: 920px;
}

.guide-article .hero-copy {
  color: var(--muted);
}

.guide-body {
  display: grid;
  gap: 22px;
}

.guide-body article {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.guide-body li {
  margin-bottom: 8px;
  color: var(--muted);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 42px 5vw;
  color: #d9e1ea;
  background: #101820;
}

.footer p { margin-bottom: 5px; color: #aeb9c6; }
.footer a { display: block; margin-bottom: 8px; color: #ffffff; }

@media (max-width: 920px) {
  .site-header { align-items: flex-start; flex-direction: column; padding-top: 12px; padding-bottom: 12px; }
  .nav { flex-wrap: wrap; gap: 12px; }
  .hero { min-height: 600px; }
  .hero-overlay { background: rgba(12, 18, 24, 0.76); }
  .trust-strip, .product-grid, .process-grid, .proof-grid, .article-grid { grid-template-columns: repeat(2, 1fr); }
  .intro, .split, .applications, .quote-section, .detail-copy, .finder-layout, .ceramic-layout { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 600px) {
  html,
  body,
  main,
  section,
  header,
  footer {
    max-width: 100vw;
    overflow-x: hidden;
  }
  body * {
    max-width: 100%;
    min-width: 0;
    overflow-wrap: anywhere;
  }
  .nav { width: 100%; font-size: 13px; gap: 10px; }
  h1 { font-size: 28px; line-height: 1.14; }
  h2 { font-size: 24px; line-height: 1.18; }
  h1, h2, h3, p, a, span, li {
    overflow-wrap: anywhere;
    word-break: break-all;
  }
  .hero h1,
  .section-heading h2,
  .intro h2 {
    word-break: break-all;
  }
  .hero-copy { font-size: 18px; }
  .hero-content {
    width: 292px;
    max-width: calc(100vw - 44px);
    margin-left: 22px;
    margin-right: auto;
    padding: 64px 0 92px;
  }
  .section,
  .quote-section {
    width: 292px;
    max-width: calc(100vw - 44px);
  }
  .section-heading,
  .intro > *,
  .split > *,
  .quote-section > *,
  .guide-article > * {
    width: 100%;
    max-width: 100%;
  }
  .hero-actions {
    display: grid;
    width: 100%;
  }
  .hero-actions .button {
    width: 100%;
  }
  .trust-strip, .product-grid, .process-grid, .application-list, .detail-gallery, .ceramic-gallery, .proof-grid, .article-grid { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .quote-section { padding: 28px; margin-bottom: 70px; }
  .finder-panel,
  .finder-result,
  .product-card,
  .proof-grid article,
  .article-card,
  .rfq-checklist,
  .proof-checklist {
    padding-left: 20px;
    padding-right: 20px;
  }
  .sticky-rfq {
    left: 0;
    right: 0;
    bottom: 0;
    justify-content: stretch;
  }
  .sticky-rfq a {
    flex: 1;
    justify-content: center;
    padding: 0 8px;
    font-size: 11px;
    text-align: center;
  }
.footer { flex-direction: column; }
}

.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}