:root {
  --ink: #182127;
  --muted: #5a6670;
  --line: #d9e0e1;
  --paper: #f7f4ef;
  --white: #ffffff;
  --teal: #0f5b61;
  --copper: #b36b3c;
  --charcoal: #263238;
  --green: #677a45;
  --shadow: 0 18px 48px rgba(24, 33, 39, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  line-height: 1.55;
}

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

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;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

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

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.main-nav a:hover {
  color: var(--teal);
}

.hero {
  position: relative;
  min-height: 86vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--charcoal);
}

.hero-media {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(18, 28, 31, 0.78), rgba(18, 28, 31, 0.42) 42%, rgba(18, 28, 31, 0.1)), url("assets/meidoor-hero.jpg");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  padding: 128px clamp(20px, 6vw, 80px) 72px;
  color: var(--white);
}

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

.hero h1,
.section-heading h2,
.factory h2,
.contact h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 740px;
  font-size: 78px;
}

.hero-copy {
  max-width: 650px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button,
.quote-form button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
}

.button.primary,
.quote-form button {
  color: var(--white);
  background: var(--teal);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.section,
.band {
  padding: 86px clamp(20px, 5vw, 70px);
}

.band {
  background: var(--paper);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading h2,
.factory h2,
.contact h2 {
  font-size: 52px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 34px;
  align-items: start;
}

.intro-grid p {
  margin: 0;
  max-width: 720px;
  color: var(--muted);
  font-size: 20px;
}

.stats {
  display: grid;
  gap: 12px;
}

.stats span {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  background: var(--white);
  border-left: 4px solid var(--teal);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.type-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.type-grid a {
  display: grid;
  gap: 10px;
  min-height: 150px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.type-grid a:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(24, 33, 39, 0.1);
}

.type-grid strong {
  font-size: 20px;
}

.type-grid span {
  color: var(--muted);
}

.product-card {
  display: block;
  min-height: 100%;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(24, 33, 39, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

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

.priority-card {
  border-color: rgba(15, 91, 97, 0.32);
  box-shadow: 0 14px 34px rgba(15, 91, 97, 0.14);
}

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

.product-card video {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--charcoal);
}

.product-card div,
.accent-card {
  padding: 22px;
}

.product-card h3,
.option-list h3,
.accent-card h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.product-card p,
.option-list p,
.factory p,
.contact p {
  margin: 0;
  color: var(--muted);
}

.card-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--teal);
  font-weight: 800;
}

.accent-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 360px;
  color: var(--white);
  background: var(--charcoal);
  border-color: var(--charcoal);
}

.accent-card p {
  color: rgba(255, 255, 255, 0.78);
}

.accent-card span {
  margin-top: 28px;
  color: var(--white);
  font-weight: 800;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 42px;
  align-items: center;
  padding: 74px clamp(20px, 5vw, 70px);
  background: var(--paper);
}

.detail-hero img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.detail-hero video {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  background: var(--charcoal);
  box-shadow: var(--shadow);
}

.detail-hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 58px;
  line-height: 1.05;
  letter-spacing: 0;
}

.detail-hero p {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.breadcrumbs {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

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

.detail-section {
  padding: 72px clamp(20px, 5vw, 70px);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr);
  gap: 36px;
  align-items: start;
}

.detail-grid h2,
.spec-panel h2 {
  margin: 0 0 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 38px;
  line-height: 1.1;
}

.feature-list,
.spec-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 18px 20px;
  color: var(--muted);
  background: var(--paper);
  border-left: 4px solid var(--copper);
}

.spec-panel {
  padding: 28px;
  background: var(--charcoal);
  color: var(--white);
}

.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.78);
}

.spec-list strong {
  color: var(--white);
}

.detail-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.related-grid a {
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  font-weight: 800;
}

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

.faq-grid article {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(24, 33, 39, 0.06);
}

.faq-grid h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

.faq-grid p {
  margin: 0;
  color: var(--muted);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(24, 33, 39, 0.08);
}

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

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.video-grid video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--charcoal);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(24, 33, 39, 0.08);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-grid div {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
}

.metric-grid strong {
  display: block;
  color: var(--teal);
  font-size: 36px;
  line-height: 1;
}

.metric-grid span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

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

.solution-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(24, 33, 39, 0.08);
}

.solution-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.solution-grid h3,
.quality-notes h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.solution-grid h3,
.solution-grid p {
  padding-left: 18px;
  padding-right: 18px;
}

.solution-grid h3 {
  padding-top: 18px;
}

.solution-grid p {
  margin: 0;
  padding-bottom: 20px;
  color: var(--muted);
}

.options-layout,
.factory-grid,
.contact,
.glass-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 36px;
  align-items: center;
}

.options-layout > img,
.glass-layout > img,
.glass-layout video {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.glass-layout video {
  background: var(--charcoal);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.process-grid div {
  min-height: 170px;
  padding: 22px;
  background: var(--charcoal);
  color: var(--white);
}

.process-grid strong {
  display: block;
  margin-bottom: 18px;
  color: var(--copper);
  font-size: 30px;
  line-height: 1;
}

.process-grid span {
  color: rgba(255, 255, 255, 0.78);
}

.quality-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.quality-notes article {
  padding: 24px;
  background: var(--paper);
  border-left: 4px solid var(--green);
}

.quality-notes p {
  margin: 0;
  color: var(--muted);
}

.option-list {
  display: grid;
  gap: 18px;
}

.option-list div {
  padding: 24px;
  background: var(--paper);
  border-left: 4px solid var(--green);
}

.factory-grid {
  align-items: start;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  color: var(--ink);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--copper);
}

.factory-images {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 14px;
  align-items: end;
}

.factory-images img {
  width: 100%;
  min-height: 260px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.factory-images img:last-child {
  transform: translateY(34px);
}

.contact {
  align-items: start;
  background: var(--white);
}

.contact-copy {
  max-width: 560px;
}

.mini-checklist {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.mini-checklist li {
  padding: 10px 12px;
  background: var(--paper);
  border-left: 3px solid var(--teal);
  color: var(--ink);
  font-weight: 700;
}

.quote-form {
  display: grid;
  gap: 14px;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.quote-form label {
  display: grid;
  gap: 7px;
  color: var(--charcoal);
  font-size: 13px;
  font-weight: 800;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  border: 1px solid #c8d0d1;
  padding: 12px 13px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.quote-form textarea {
  resize: vertical;
}

.form-note {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 5vw, 70px);
  color: rgba(255, 255, 255, 0.76);
  background: var(--charcoal);
}

@media (max-width: 900px) {
  .hero h1 {
    font-size: 56px;
  }

  .section-heading h2,
  .factory h2,
  .contact h2 {
    font-size: 42px;
  }

  .metric-grid strong {
    font-size: 31px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .main-nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .intro-grid,
  .options-layout,
  .factory-grid,
  .contact,
  .glass-layout,
  .detail-hero,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .type-grid,
  .metric-grid,
  .solution-grid,
  .process-grid,
  .quality-notes,
  .related-grid,
  .gallery-grid,
  .video-grid,
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-hero h1 {
    font-size: 44px;
  }

  .factory-images img:last-child {
    transform: none;
  }
}

@media (max-width: 620px) {
  .hero h1 {
    font-size: 42px;
  }

  .section-heading h2,
  .factory h2,
  .contact h2 {
    font-size: 34px;
  }

  .metric-grid strong {
    font-size: 28px;
  }

  .hero {
    min-height: 78vh;
  }

  .hero-content {
    padding-top: 108px;
    padding-bottom: 48px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .section,
  .band {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .product-grid,
  .type-grid,
  .metric-grid,
  .solution-grid,
  .process-grid,
  .quality-notes,
  .factory-images,
  .related-grid,
  .gallery-grid,
  .video-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .brand {
    min-width: 0;
  }
}