:root {
  --ink: #101820;
  --steel: #1d2935;
  --steel-2: #2c3947;
  --muted: #66717d;
  --line: #d8dde2;
  --paper: #f5f7f8;
  --white: #ffffff;
  --accent: #d06f22;
  --accent-dark: #a94f13;
  --shadow: 0 22px 70px rgba(16, 24, 32, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(18px, 5vw, 72px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(16, 24, 32, 0.94);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.brand img {
  width: 44px;
  height: 58px;
  object-fit: contain;
  padding: 4px;
  border-radius: 4px;
  background: #ffffff;
  box-shadow: 0 10px 26px rgba(0,0,0,0.32);
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255,255,255,0.82);
  font-size: 13px;
  font-weight: 700;
}

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

.header-cta,
.btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  padding: 0 18px;
  font-size: 13px;
  font-weight: 800;
}

.header-cta {
  border: 1px solid rgba(255,255,255,0.36);
  color: var(--white);
}

.header-cta:hover {
  border-color: var(--accent);
  background: var(--accent);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--steel);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("../img/hero-steel-structure.png");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(8, 13, 18, 0.92) 0%, rgba(8, 13, 18, 0.78) 38%, rgba(8, 13, 18, 0.24) 78%),
    linear-gradient(180deg, rgba(8,13,18,0.24), rgba(8,13,18,0.68));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding-top: 74px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(36px, 4.8vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.hero-copy {
  max-width: 700px;
  color: rgba(255,255,255,0.76);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

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

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

.btn.secondary {
  border: 1px solid rgba(255,255,255,0.34);
  color: var(--white);
}

.btn.secondary:hover {
  border-color: var(--white);
}

.hero-metrics {
  width: min(780px, 100%);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 56px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.16);
}

.hero-metrics div {
  min-height: 112px;
  padding: 20px;
  background: rgba(16, 24, 32, 0.58);
  backdrop-filter: blur(12px);
}

.hero-metrics strong {
  display: block;
  font-size: 30px;
}

.hero-metrics span {
  display: block;
  margin-top: 6px;
  color: rgba(255,255,255,0.72);
  font-size: 13px;
  line-height: 1.4;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(70px, 8vw, 110px) 0;
}

.section-head {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 28px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 3.1vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

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

.cards article {
  min-height: 250px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 14px 44px rgba(16,24,32,0.08);
}

.cards span {
  display: inline-flex;
  margin-bottom: 54px;
  color: var(--accent);
  font-weight: 900;
}

.cards p,
.split p,
.statement p,
.contact p {
  color: var(--muted);
  line-height: 1.72;
}

.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 56px;
  align-items: center;
}

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

.process-list div {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px;
  background: var(--steel);
  color: var(--white);
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow);
}

.process-list span {
  grid-row: 1 / 3;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.1);
  color: var(--accent);
  font-weight: 900;
}

.process-list strong {
  font-size: 18px;
}

.process-list p {
  margin-bottom: 0;
  color: rgba(255,255,255,0.72);
}

.industries {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: start;
  border-top: 1px solid var(--line);
}

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

.industry-grid span {
  min-height: 76px;
  display: flex;
  align-items: center;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--steel);
  font-weight: 800;
}

.contact {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto 36px;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
  gap: 48px;
  align-items: start;
  padding: clamp(34px, 6vw, 64px);
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
}

.contact-copy {
  position: sticky;
  top: 100px;
}

.contact-card {
  display: grid;
  gap: 10px;
  margin-top: 24px;
  padding: 22px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
}

.contact-card a {
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: rgba(255,255,255,0.08);
  color: var(--white);
  font-weight: 800;
}

.contact-card a:hover {
  background: var(--accent);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 24px;
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 22px 70px rgba(0,0,0,0.22);
}

.contact-form label {
  display: grid;
  gap: 7px;
  margin: 0;
  color: var(--steel-2);
  font-size: 12px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #f8fafb;
  color: var(--ink);
  padding: 10px 12px;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.span-2 {
  grid-column: 1 / -1;
}

.privacy-check {
  grid-template-columns: 18px minmax(0, 1fr) !important;
  align-items: start;
  color: var(--muted) !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  line-height: 1.45;
}

.privacy-check input {
  width: 16px;
  min-height: 16px;
  margin-top: 2px;
}

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

.form-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.site-footer {
  width: 100%;
  min-height: 0;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(208, 111, 34, 0.08), transparent 38%),
    #0b1117;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.66);
  font-size: 13px;
}

.footer-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.35fr repeat(4, minmax(130px, 1fr));
  gap: 28px;
  align-items: start;
  padding: 40px 0;
}

.footer-inner.compact {
  grid-template-columns: 1.5fr 1fr 1fr;
}

.footer-brand img {
  width: 56px;
  height: 82px;
  object-fit: contain;
  padding: 5px;
  border-radius: 4px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(16,24,32,0.12);
}

.footer-brand p {
  max-width: 300px;
  margin: 14px 0 0;
  line-height: 1.6;
  color: rgba(255,255,255,0.66);
}

.footer-col {
  display: grid;
  gap: 9px;
}

.footer-col strong {
  color: var(--white);
  font-weight: 900;
}

.footer-col span {
  color: rgba(255,255,255,0.62);
}

.footer-col a {
  color: rgba(255,255,255,0.7);
}

.footer-col a:hover {
  color: var(--accent);
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: var(--white);
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.social-links a:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--accent);
  color: var(--white);
}

.social-links svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.legal-body {
  background: var(--paper);
}

.legal-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(18px, 5vw, 72px);
  background: #0b1117;
}

.legal-page {
  width: min(920px, calc(100% - 36px));
  margin: 52px auto;
  padding: clamp(28px, 5vw, 56px);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.legal-page h1 {
  margin-bottom: 22px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.legal-page h2 {
  margin: 30px 0 10px;
  font-size: 18px;
}

.legal-page p {
  color: var(--muted);
  line-height: 1.78;
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding-top: 132px;
    padding-bottom: 64px;
  }

  .hero-metrics,
  .section-head,
  .split,
  .industries,
  .contact {
    grid-template-columns: 1fr;
  }

  .contact-copy {
    position: static;
  }

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

  .footer-inner,
  .footer-inner.compact {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
  }

  .brand span {
    display: none;
  }

  .brand img {
    width: 40px;
    height: 54px;
  }

  .hero-metrics,
  .cards,
  .industry-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 34px;
  }

  .contact {
    padding: 26px 18px;
  }

  .contact-form {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .span-2 {
    grid-column: auto;
  }

  .footer-inner,
  .footer-inner.compact {
    grid-template-columns: 1fr;
  }
}