:root {
  --bg: #dfe4e8;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-dark: #10171f;
  --text: #121b24;
  --muted: #5b6671;
  --line: rgba(18, 27, 36, 0.14);
  --accent: #b7692f;
  --steel: #2a3946;
  --shadow: 0 28px 88px rgba(8, 12, 18, 0.16);
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --font-body: "Aptos", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(183, 105, 47, 0.12), transparent 24%),
    radial-gradient(circle at 86% 6%, rgba(42, 57, 70, 0.2), transparent 20%),
    linear-gradient(180deg, #eef2f5 0%, var(--bg) 48%, #d5dce2 100%);
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(49, 67, 80, 0.28);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 20px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-dark);
  color: white;
  transition: top 180ms ease;
}

.skip-link:focus { top: 14px; }
.container { width: min(1140px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(223, 228, 232, 0.84);
  border-bottom: 1px solid rgba(18, 27, 36, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 86px;
}

.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand small { display: block; color: var(--muted); margin-top: 2px; }

.brand-mark {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: white;
  background: linear-gradient(135deg, var(--surface-dark), #2d3c49);
  box-shadow: var(--shadow);
  font-weight: 700;
}

.nav-links { display: flex; align-items: center; gap: 22px; color: var(--muted); }
.nav-links a { position: relative; padding-bottom: 4px; }

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border-radius: 999px;
  padding: 0 24px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease;
}

.nav-cta, .button-primary {
  color: white;
  background: linear-gradient(135deg, var(--accent), #c8834d);
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.56);
}

.nav-cta:hover, .button:hover { transform: translateY(-2px); }

.hero { padding: 78px 0 60px; }
.hero-inner { padding-bottom: 24px; }

.hero-grid, .split, .contact-box {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 40px;
  align-items: center;
}

.hero-visual { position: relative; min-height: 560px; }
.hero-visual-industrial::after {
  content: "";
  position: absolute;
  inset: 24px 14px 120px 54px;
  border-radius: 36px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(135deg, transparent 0 49%, rgba(255,255,255,0.05) 49% 51%, transparent 51% 100%),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.03) 0 2px, transparent 2px 18px);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 16px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  font-size: 0.82rem;
  font-weight: 700;
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  line-height: 0.98;
}

h1 { font-size: clamp(3rem, 6vw, 5.8rem); max-width: 11ch; }
h2 { font-size: clamp(2rem, 4vw, 3.3rem); max-width: 14ch; }
h3 { font-size: 1.48rem; }
p, li, dd, dt { line-height: 1.72; }

.hero-text,
.section-head p,
.service-card p,
.point p,
.proof-card p,
.timeline-item p,
.faq-item p,
.contact p,
.contact-meta p,
.detail-card p,
.detail-card li,
.legal-card p { color: var(--muted); }

.narrow { max-width: 720px; }

.hero-actions, .contact-pills, .footer-links, .hero-badges, .project-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions { margin: 30px 0 24px; }
.hero-badges, .project-stats { padding: 0; margin: 0; list-style: none; }
.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.hero-meta div {
  padding-top: 16px;
  border-top: 1px solid rgba(18, 27, 36, 0.14);
}

.hero-meta strong,
.service-card em {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-meta strong {
  color: var(--steel);
  margin-bottom: 6px;
}

.hero-meta span {
  color: var(--muted);
}

.hero-badges li, .project-stats div, .contact-pills span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
}

.steel-card, .service-card, .proof-card, .timeline-item, .faq-item, .contact-box, .detail-card, .legal-card {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.steel-card {
  position: absolute;
  border-radius: 32px;
  overflow: hidden;
}

.steel-card-main {
  inset: 0 0 62px 38px;
  padding: 36px;
  color: white;
  background:
    linear-gradient(180deg, rgba(21, 29, 38, 0.08), rgba(21, 29, 38, 0.78)),
    radial-gradient(circle at top left, rgba(181, 109, 54, 0.18), transparent 32%),
    linear-gradient(135deg, #394957 0%, #202a34 45%, #111821 100%);
}

.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: grayscale(0.12) contrast(1.04);
}

.hero-logo {
  position: relative;
  width: 220px;
  max-width: 54%;
  margin-bottom: 18px;
  opacity: 0.94;
}

.steel-card-main::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(150deg, transparent 0 46%, rgba(255, 255, 255, 0.08) 46% 50%, transparent 50% 100%),
    repeating-linear-gradient(160deg, rgba(255, 255, 255, 0.06) 0 7px, transparent 7px 22px);
  mix-blend-mode: screen;
}

.steel-card-main > * { position: relative; }
.steel-card-main h2 { max-width: 11ch; margin-bottom: 14px; }
.steel-card-main p { color: rgba(255, 255, 255, 0.82); max-width: 31ch; }

.steel-card-accent {
  right: 0;
  bottom: 0;
  width: 240px;
  padding: 24px;
  background: rgba(250, 247, 243, 0.96);
}

.steel-card-spec {
  left: 0;
  bottom: 26px;
  width: 220px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  backdrop-filter: blur(10px);
}

.steel-card-spec strong {
  display: block;
  margin: 10px 0 6px;
  font-size: 1.35rem;
  font-family: var(--font-display);
}

.steel-card-spec p,
.spec-kicker {
  color: rgba(255, 255, 255, 0.78);
}

.spec-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card-label {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric {
  display: block;
  font-family: var(--font-display);
  font-size: 3.4rem;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 8px;
}

.project-stats dt { font-weight: 700; color: var(--text); }
.project-stats dd { margin: 0; color: var(--muted); }

.trust-strip { padding: 18px 0 0; }

.section-editorial {
  padding-top: 74px;
}

.editorial-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 28px;
  align-items: start;
}

.editorial-copy {
  position: sticky;
  top: 120px;
}

.editorial-stack {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.editorial-card {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  border-radius: 32px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: #111820;
}

.editorial-card-large {
  grid-row: span 2;
  min-height: 560px;
}

.editorial-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.92) contrast(1.04);
  transform: scale(1.02);
}

.editorial-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9,13,18,0.04), rgba(9,13,18,0.72));
}

.editorial-card figcaption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  z-index: 1;
  color: white;
}

.editorial-card figcaption span {
  display: inline-block;
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.editorial-card figcaption strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.06;
}

.trust-grid, .service-grid, .proof-stack, .timeline, .faq-list, .detail-grid {
  display: grid;
  gap: 18px;
}

.trust-grid { grid-template-columns: repeat(4, 1fr); }

.trust-grid > div,
.service-card,
.point,
.timeline-item,
.faq-item,
.proof-card,
.detail-card {
  border-radius: 24px;
  padding: 24px;
  background: var(--surface);
}

.trust-grid p { margin-bottom: 0; color: var(--muted); }
.section { padding: 92px 0; }
.section-sand { background: rgba(214, 221, 227, 0.42); }

.section-dark {
  background: linear-gradient(180deg, #1d2731 0%, #131a22 100%);
  color: white;
}

.section-dark .eyebrow { color: rgba(255, 255, 255, 0.7); }
.section-dark p, .section-dark .point p { color: rgba(255, 255, 255, 0.76); }

.section-head { display: grid; gap: 16px; margin-bottom: 34px; }
.section-link { margin-top: 28px; }
.product-grid, .service-grid { grid-template-columns: repeat(4, 1fr); }

.service-card span,
.timeline-item span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 16px;
  background: var(--surface-dark);
  color: white;
  font-weight: 700;
}

.service-photo {
  width: calc(100% + 48px);
  max-width: none;
  height: 190px;
  object-fit: cover;
  margin: -24px -24px 20px;
  border-bottom: 1px solid var(--line);
  display: block;
}

.service-card {
  position: relative;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.service-card:hover,
.detail-card:hover,
.proof-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 90px rgba(8, 12, 18, 0.18);
  border-color: rgba(183, 105, 47, 0.28);
}

.service-card em {
  margin-top: 18px;
  color: var(--steel);
  opacity: 0.72;
}

.timeline-item span {
  background: rgba(49, 67, 80, 0.12);
  color: var(--steel);
}

.points, .proof-stack { display: grid; gap: 16px; }
.proof-card strong { display: block; margin-bottom: 8px; color: var(--steel); }
.timeline { grid-template-columns: repeat(4, 1fr); }
.faq-layout { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: 24px; }
.faq-item summary { cursor: pointer; font-size: 1.06rem; font-weight: 700; }
.faq-item p { margin: 14px 0 0; }

.contact-box, .legal-card {
  border-radius: 32px;
  padding: 30px;
  background: rgba(255, 255, 255, 0.82);
}

.section-map {
  background: linear-gradient(180deg, rgba(42,57,70,0.08), rgba(16,23,31,0.02));
}

.section-material {
  background: linear-gradient(180deg, #131a22 0%, #1b2530 100%);
  color: white;
}

.material-band {
  display: grid;
  gap: 26px;
}

.material-intro .eyebrow,
.section-material h2,
.section-material p,
.material-stat p {
  color: white;
}

.material-intro h2 {
  max-width: 16ch;
}

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

.material-stat {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.material-stat strong {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.map-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: stretch;
}

.map-copy,
.map-frame-wrap {
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.82);
}

.map-copy {
  padding: 30px;
}

.map-frame-wrap {
  overflow: hidden;
  min-height: 420px;
}

.map-frame {
  width: 100%;
  height: 100%;
  min-height: 420px;
  border: 0;
  filter: grayscale(0.18) contrast(1.04);
}

.contact-form { display: grid; gap: 14px; }
.contact-form label { display: grid; gap: 8px; font-weight: 700; }

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
}

.contact-form textarea { min-height: 160px; resize: vertical; }
.form-note { margin: 0; color: var(--muted); }
.contact-meta { display: grid; gap: 6px; margin-top: 18px; }
.detail-grid { grid-template-columns: repeat(2, 1fr); }
.detail-photo {
  width: calc(100% + 48px);
  max-width: none;
  height: 220px;
  object-fit: cover;
  margin: -24px -24px 20px;
  border-bottom: 1px solid var(--line);
  display: block;
}
.list { margin: 18px 0 0; padding-left: 18px; }
.legal-page { min-height: 100vh; display: grid; place-items: center; padding: 40px 0; }
.site-footer { padding: 28px 0 44px; }
.footer-wrap { display: flex; justify-content: space-between; gap: 18px; color: var(--muted); }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

[data-tilt] {
  transform-style: preserve-3d;
  transition: transform 220ms ease;
}

@media (max-width: 1080px) {
  .hero-grid,
  .split,
  .contact-box,
  .map-layout,
  .editorial-grid,
  .trust-grid,
  .service-grid,
  .product-grid,
  .timeline,
  .faq-layout,
  .detail-grid,
  .material-stats,
  .hero-meta {
    grid-template-columns: 1fr 1fr;
  }

  .editorial-stack {
    grid-template-columns: 1fr 1fr;
  }

  .editorial-copy {
    position: static;
  }

  .editorial-card-large {
    grid-row: auto;
    min-height: 360px;
  }

  .nav { flex-wrap: wrap; padding: 14px 0; }
  .nav-links { order: 3; width: 100%; justify-content: space-between; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 1140px); }
  .section, .hero { padding: 72px 0; }

  .hero-grid,
  .split,
  .contact-box,
  .map-layout,
  .editorial-grid,
  .trust-grid,
  .service-grid,
  .product-grid,
  .timeline,
  .faq-layout,
  .detail-grid,
  .material-stats,
  .hero-meta,
  .editorial-stack {
    grid-template-columns: 1fr;
  }

  .nav-links { overflow-x: auto; gap: 16px; padding-bottom: 4px; }
  .hero-visual { min-height: 450px; }
  .steel-card-main { inset: 0 0 108px 0; padding: 28px; }
  .steel-card-accent { width: 210px; }
  .steel-card-spec { width: 180px; bottom: 18px; }
  .editorial-card-large { min-height: 320px; }
  .footer-wrap { flex-direction: column; }
}