:root {
  color-scheme: light;
  --ink: #182027;
  --muted: #5f6b76;
  --line: #d9e0e6;
  --paper: #f7f8f7;
  --panel: #ffffff;
  --steel: #3e5667;
  --alloy: #b87b35;
  --oxide: #7f3f32;
  --green: #31594f;
  --shadow: 0 18px 50px rgba(24, 32, 39, 0.12);
}

* {
  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: 1.55;
}

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: 20px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 230px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #fff;
  background: var(--steel);
  font-weight: 700;
  letter-spacing: 0;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  color: #2d3841;
  font-size: 14px;
}

.main-nav a:hover,
.site-footer a:hover {
  color: var(--alloy);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
}

.header-cta,
.button.primary {
  color: #fff;
  background: var(--alloy);
}

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

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 28px));
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #1d252c;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background: linear-gradient(90deg, rgba(10, 15, 19, 0.88), rgba(10, 15, 19, 0.48) 48%, rgba(10, 15, 19, 0.15));
}

.hero-content {
  position: relative;
  width: min(980px, 100%);
  padding: clamp(56px, 9vw, 112px) clamp(18px, 5vw, 72px) 48px;
  color: #fff;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--alloy);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(42px, 8vw, 84px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 720px;
  margin: 24px 0 0;
  color: #dbe2e8;
  font-size: clamp(18px, 2.1vw, 23px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 760px;
  margin: 44px 0 0;
  background: rgba(255, 255, 255, 0.2);
}

.hero-stats div {
  padding: 18px;
  background: rgba(13, 21, 28, 0.68);
}

.hero-stats dt {
  color: #aebac4;
  font-size: 12px;
  text-transform: uppercase;
}

.hero-stats dd {
  margin: 5px 0 0;
  font-weight: 700;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--line);
  background: #fff;
}

.trust-band span {
  display: grid;
  place-items: center;
  min-height: 72px;
  padding: 14px;
  text-align: center;
  font-weight: 700;
  border-right: 1px solid var(--line);
}

.section {
  padding: clamp(56px, 8vw, 96px) clamp(18px, 5vw, 72px);
}

.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 6vw, 72px);
  background: #fff;
}

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

h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.2;
}

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

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

.product-grid .section-heading {
  grid-column: 1 / -1;
}

.product-card {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

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

.product-card div {
  padding: 24px;
}

.product-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  background: #e9edf0;
}

.table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
}

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

th {
  color: #fff;
  background: var(--steel);
}

.markets {
  background: #fff;
}

.market-grid,
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.market-grid article,
.process-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  background: #fff;
}

.market-grid article {
  border-top: 5px solid var(--green);
}

.applications {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
}

.applications img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.application-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.application-list span {
  padding: 10px 14px;
  color: #fff;
  background: var(--steel);
  font-weight: 700;
}

.quality {
  background: #1d252c;
  color: #fff;
}

.quality .section-kicker {
  color: #d29655;
}

.process-grid article {
  color: var(--ink);
}

.process-grid span {
  color: var(--oxide);
  font-weight: 800;
}

.quote-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: clamp(28px, 6vw, 72px);
  background: #fff;
}

.contact-box {
  display: grid;
  gap: 8px;
  margin-top: 26px;
  padding: 22px;
  color: #fff;
  background: var(--green);
}

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

label {
  display: grid;
  gap: 6px;
  color: #2f3a43;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #bdc7d0;
  border-radius: 0;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

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

.faq {
  background: #e9edf0;
}

details {
  max-width: 980px;
  padding: 18px 0;
  border-bottom: 1px solid #c7d0d8;
}

summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 18px;
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 32px clamp(18px, 5vw, 72px);
  color: #fff;
  background: #141a20;
}

.site-footer p {
  margin: 6px 0 0;
  color: #bac4cc;
}

.site-footer a {
  font-weight: 800;
  color: #d29655;
}

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .intro,
  .split,
  .applications,
  .quote-section {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
  }

  .brand {
    min-width: 0;
  }

  .header-cta {
    padding: 0 12px;
    white-space: nowrap;
  }

  .hero {
    min-height: 720px;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(10, 15, 19, 0.65), rgba(10, 15, 19, 0.88));
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-stats,
  .product-grid,
  .market-grid,
  .process-grid,
  .trust-band {
    grid-template-columns: 1fr;
  }
}