:root {
  --ink: #13211f;
  --muted: #5d6a66;
  --paper: #f7f4ed;
  --panel: #ffffff;
  --line: #d9d7cc;
  --accent: #0f766e;
  --accent-dark: #0b504a;
  --gold: #b7832f;
  --clay: #9a4f32;
  --shadow: 0 18px 42px rgba(24, 33, 30, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(247, 244, 237, 0.92);
  border-bottom: 1px solid rgba(19, 33, 31, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0;
}

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

.brand strong {
  font-size: 17px;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.site-nav a {
  padding: 9px 12px;
  color: #2c3d39;
  font-size: 14px;
  border-radius: 6px;
}

.site-nav a:hover {
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-dark);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 6px;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: clamp(520px, calc(100svh - 150px), 610px);
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 20, 18, 0.78) 0%, rgba(6, 20, 18, 0.58) 42%, rgba(6, 20, 18, 0.2) 100%),
    linear-gradient(0deg, rgba(6, 20, 18, 0.38), rgba(6, 20, 18, 0.04) 46%);
}

.hero-media {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.38fr);
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  background: #16231f;
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.hero-media img:first-child {
  grid-row: span 2;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 800px;
  padding: clamp(34px, 6vw, 76px) clamp(18px, 4vw, 56px);
  color: #fff;
}

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

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(36px, 5.2vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero .eyebrow {
  color: #aee4dc;
}

.hero-copy {
  max-width: 640px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  text-align: center;
  cursor: pointer;
}

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

.btn.primary:hover {
  background: var(--accent-dark);
}

.btn.secondary {
  border-color: rgba(19, 33, 31, 0.22);
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
}

.btn.secondary:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: #fff;
}

.hero .btn.secondary,
.page-hero .btn.secondary {
  border-color: rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  backdrop-filter: blur(10px);
}

.hero .btn.secondary:hover,
.page-hero .btn.secondary:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.22);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.trust-strip span {
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(10px);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.metrics article {
  min-height: 158px;
  padding: clamp(22px, 4vw, 38px);
  background: #fffaf1;
}

.metrics strong {
  display: block;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1;
}

.metrics span {
  display: block;
  max-width: 380px;
  margin-top: 12px;
  color: var(--muted);
}

.section,
.split-section,
.process,
.contact,
.catalogue-band {
  padding: clamp(58px, 8vw, 112px) clamp(18px, 4vw, 56px);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(280px, 0.55fr);
  gap: clamp(22px, 5vw, 76px);
  align-items: end;
  margin-bottom: 30px;
}

.section-head p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.filter-btn {
  min-height: 40px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 6px;
  color: #2d3d39;
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

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

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid rgba(19, 33, 31, 0.1);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(24, 33, 30, 0.08);
}

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

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #e9e2d8;
}

.product-card div {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 9px;
  padding: 18px;
}

.product-card span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card p {
  margin: 0;
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 7vw, 92px);
  align-items: center;
  background: #edf4ef;
  border-top: 1px solid rgba(19, 33, 31, 0.08);
  border-bottom: 1px solid rgba(19, 33, 31, 0.08);
}

.split-copy p:not(.eyebrow) {
  max-width: 780px;
  color: var(--muted);
  font-size: 17px;
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.capability-list span {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.74);
  color: #253b37;
  font-weight: 700;
}

.custom-board {
  display: grid;
  gap: 12px;
}

.custom-board article {
  padding: 22px;
  background: var(--panel);
  border: 1px solid rgba(19, 33, 31, 0.1);
  border-radius: 8px;
  box-shadow: 0 10px 26px rgba(24, 33, 30, 0.06);
}

.custom-board strong {
  color: var(--clay);
  font-size: 13px;
}

.custom-board p {
  margin: 9px 0 0;
  color: var(--muted);
}

.quality {
  background: #fbfaf6;
}

.quality .section-head {
  grid-template-columns: minmax(0, 720px);
}

.quality-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);
}

.quality-grid article {
  min-height: 230px;
  padding: 24px;
  background: #fff;
}

.quality-grid p {
  color: var(--muted);
}

.process {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

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

.timeline li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px;
  background: #fff;
  border: 1px solid rgba(19, 33, 31, 0.1);
  border-radius: 8px;
}

.timeline span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: #e0f1ec;
  color: var(--accent-dark);
  border-radius: 6px;
  font-weight: 800;
}

.timeline p {
  margin: 8px 0 0;
  color: var(--muted);
}

.catalogue-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 0.7fr);
  gap: clamp(24px, 5vw, 62px);
  align-items: center;
  background: #1a2422;
  color: #fff;
}

.catalogue-band img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.24);
}

.catalogue-band p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.76);
}

.catalogue-band .eyebrow {
  color: #aee4dc;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 0.62fr);
  gap: clamp(28px, 7vw, 90px);
  align-items: start;
}

.contact-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.contact-card {
  display: grid;
  gap: 6px;
  max-width: 520px;
  margin-top: 26px;
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(19, 33, 31, 0.1);
  border-radius: 8px;
}

.contact-card span {
  color: var(--muted);
}

.rfq-form {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 3vw, 26px);
  background: #fff;
  border: 1px solid rgba(19, 33, 31, 0.1);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.rfq-form label {
  display: grid;
  gap: 7px;
  color: #283b37;
  font-size: 13px;
  font-weight: 800;
}

.rfq-form input,
.rfq-form select,
.rfq-form textarea {
  width: 100%;
  padding: 12px 12px;
  border: 1px solid #cad1cc;
  border-radius: 6px;
  background: #fbfbf8;
  color: var(--ink);
}

.rfq-form textarea {
  resize: vertical;
}

.rfq-form input:focus,
.rfq-form select:focus,
.rfq-form textarea:focus {
  outline: 3px solid rgba(15, 118, 110, 0.18);
  border-color: var(--accent);
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(18px, 4vw, 56px);
  background: var(--ink);
  color: rgba(255, 255, 255, 0.82);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #aee4dc;
  font-weight: 800;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-hero {
  position: relative;
  min-height: 440px;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: clamp(54px, 9vw, 104px) clamp(18px, 4vw, 56px);
  color: #fff;
  background: #16231f;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 20, 18, 0.82) 0%, rgba(6, 20, 18, 0.58) 46%, rgba(6, 20, 18, 0.22) 100%),
    var(--page-hero-image, none) center / cover no-repeat;
}

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

.page-hero-content {
  max-width: 820px;
}

.page-hero h1 {
  max-width: 780px;
}

.page-hero p:not(.eyebrow) {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 18px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.breadcrumb a {
  color: #aee4dc;
  font-weight: 800;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.42fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.rich-content {
  display: grid;
  gap: 24px;
}

.rich-content > p,
.rich-content li {
  color: var(--muted);
}

.rich-content ul {
  margin: 0;
  padding-left: 20px;
}

.rich-content h2 {
  margin-top: 10px;
}

.side-panel {
  display: grid;
  gap: 14px;
  position: sticky;
  top: 96px;
}

.info-card {
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(19, 33, 31, 0.1);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(24, 33, 30, 0.07);
}

.info-card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.spec-table th,
.spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 34%;
  background: #f2f5ef;
  color: #233632;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

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

.seo-link-card {
  display: grid;
  gap: 10px;
  min-height: 100%;
  padding: 18px;
  background: #fff;
  border: 1px solid rgba(19, 33, 31, 0.1);
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(24, 33, 30, 0.06);
}

.seo-link-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  background: #e9e2d8;
}

.seo-link-card p {
  margin: 0;
  color: var(--muted);
}

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

.faq-list details {
  background: #fff;
  border: 1px solid rgba(19, 33, 31, 0.12);
  border-radius: 8px;
}

.faq-list summary {
  padding: 17px 18px;
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.faq-list details p {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--muted);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: clamp(28px, 5vw, 46px);
  background: #1a2422;
  color: #fff;
}

.cta-band p {
  max-width: 720px;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.gallery-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.gallery-strip img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  background: #e9e2d8;
}

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

.article-card {
  display: grid;
  gap: 12px;
  padding: 22px;
  background: #fff;
  border: 1px solid rgba(19, 33, 31, 0.1);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(24, 33, 30, 0.06);
}

.article-card p {
  margin: 0;
  color: var(--muted);
}

.article-card a {
  color: var(--accent-dark);
  font-weight: 800;
}

.sitemap-group + .sitemap-group {
  margin-top: 12px;
}

.sitemap-list {
  margin: 12px 0 0;
  padding-left: 20px;
}

.sitemap-list li + li {
  margin-top: 8px;
}

.sitemap-list a {
  color: var(--accent-dark);
  font-weight: 700;
}

.article-tag {
  color: var(--gold) !important;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.rfq-band {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 0.7fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
  background: #f0f5f1;
  border-top: 1px solid rgba(19, 33, 31, 0.08);
  border-bottom: 1px solid rgba(19, 33, 31, 0.08);
}

.rfq-band-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.rfq-points {
  display: grid;
  gap: 10px;
}

.rfq-points span {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 12px 14px;
  border-left: 4px solid var(--gold);
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 8px 18px rgba(24, 33, 30, 0.05);
  font-weight: 700;
}

@media (max-width: 980px) {
  .section-head,
  .split-section,
  .process,
  .catalogue-band,
  .contact,
  .content-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .article-grid,
  .rfq-band {
    grid-template-columns: 1fr;
  }

  .side-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
  }

  .nav-toggle {
    display: block;
    flex: 0 0 auto;
  }

  .site-nav {
    position: absolute;
    left: 18px;
    right: 18px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .hero-content {
    padding: 36px 18px 28px;
  }

  .hero {
    min-height: 600px;
  }

  .hero-media {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    gap: 0;
  }

  .hero-media img:nth-child(n + 2) {
    display: none;
  }

  .hero-media img:first-child {
    grid-row: auto;
  }

  .metrics,
  .product-grid,
  .quality-grid,
  .capability-list,
  .seo-link-grid,
  .article-grid,
  .gallery-strip {
    grid-template-columns: 1fr;
  }

  .quality-grid article {
    min-height: 0;
  }

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

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

  .page-hero {
    min-height: 390px;
    padding: 42px 18px;
  }

  .cta-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .spec-table,
  .spec-table tbody,
  .spec-table tr,
  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }

  .spec-table th {
    border-bottom: 0;
  }
}

@media (max-width: 430px) {
  .brand {
    min-width: 0;
  }

  .brand strong {
    font-size: 15px;
  }

  .brand small {
    font-size: 11px;
  }

  h1 {
    font-size: 34px;
  }

  .btn {
    width: 100%;
  }
}