:root {
  --font-geist-sans: Arial, Helvetica, sans-serif;
  --font-geist-mono: "Courier New", monospace;
  --ink: #14221f;
  --paper: #f3f4ee;
  --white: #fbfcf7;
  --line: rgba(20, 34, 31, 0.18);
  --muted: #64706b;
  --signal: #c7f03e;
  --safety: #ffc844;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

main {
  min-height: 100vh;
  overflow: hidden;
}

.site-header {
  width: min(1480px, calc(100% - 72px));
  margin: 0 auto;
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand,
.footer-title {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--signal);
  font-family: var(--font-geist-mono), monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand strong,
.footer-title strong {
  display: block;
  font-size: 14px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.brand small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
}

nav {
  display: flex;
  gap: 36px;
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

nav a,
.text-link {
  position: relative;
}

nav a::after,
.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 1px;
  background: currentColor;
  transition: right 180ms ease;
}

nav a:hover::after,
.text-link:hover::after {
  right: 0;
}

.hero {
  width: min(1480px, calc(100% - 72px));
  margin: 0 auto;
  padding: 92px 0 76px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 90px;
  align-items: end;
}

.eyebrow,
.section-kicker {
  margin: 0 0 24px;
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
}

.eyebrow span {
  width: 9px;
  height: 9px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(199, 240, 62, 0.2);
}

.hero h1 {
  margin: 0;
  max-width: 1040px;
  font-size: clamp(54px, 7vw, 110px);
  font-weight: 560;
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.hero h1 em {
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.hero-intro {
  max-width: 730px;
  margin: 44px 0 0;
  color: #43504b;
  font-size: 20px;
  line-height: 1.6;
  letter-spacing: -0.02em;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  align-items: center;
  gap: 34px;
}

.primary-button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 0 20px;
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease;
}

.primary-button span {
  color: var(--signal);
  font-size: 18px;
}

.primary-button:hover {
  background: #243733;
  transform: translateY(-2px);
}

.text-link {
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-facts {
  border-top: 1px solid var(--line);
}

.hero-facts div {
  padding: 17px 0;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.hero-facts span {
  color: var(--muted);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-facts strong {
  font-size: 12px;
  line-height: 1.4;
}

.video-section {
  padding: 36px max(36px, calc((100vw - 1480px) / 2)) 110px;
  background: var(--ink);
  color: var(--white);
}

.video-heading {
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}

.video-heading h2,
.project-section h2,
.expertise-section h2,
.systems-section h2,
.safety-section h2,
.bim-section h2 {
  margin: 0;
  font-size: clamp(38px, 4vw, 66px);
  font-weight: 560;
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.video-heading .section-kicker {
  margin-bottom: 12px;
  color: var(--signal);
}

.video-heading > p {
  max-width: 410px;
  margin: 0;
  color: #aeb9b5;
  font-size: 14px;
  line-height: 1.65;
}

.video-frame {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: #07100e;
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.28);
}

.video-topbar {
  height: 46px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #a8b2af;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 5;
  background: #07100e;
}

.project-section,
.expertise-section,
.systems-section,
.bim-section {
  width: min(1480px, calc(100% - 72px));
  margin: 0 auto;
}

.impact-strip {
  width: min(1480px, calc(100% - 72px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.impact-strip div {
  min-height: 150px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
}

.impact-strip strong {
  font-size: clamp(29px, 3vw, 47px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.impact-strip span {
  max-width: 180px;
  color: var(--muted);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.project-section {
  padding: 130px 0;
  display: grid;
  grid-template-columns: 90px minmax(300px, 0.9fr) minmax(360px, 1fr);
  gap: 60px;
  border-bottom: 1px solid var(--line);
}

.section-number {
  color: #99a39f;
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
}

.project-intro .section-kicker,
.systems-section .section-kicker,
.bim-section .section-kicker {
  color: #77827d;
}

.project-copy {
  padding-top: 37px;
}

.project-copy p,
.bim-copy > p:last-child {
  color: #5d6964;
  font-size: 16px;
  line-height: 1.75;
}

.project-copy .lead {
  margin-top: 0;
  color: var(--ink);
  font-size: 23px;
  line-height: 1.55;
  letter-spacing: -0.025em;
}

.expertise-section {
  padding: 130px 0;
  border-bottom: 1px solid var(--line);
}

.expertise-heading {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 0.72fr);
  column-gap: 100px;
}

.expertise-heading .section-kicker,
.expertise-heading h2 {
  grid-column: 1;
}

.expertise-heading > p:last-child {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: end;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.expertise-grid {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.expertise-grid article {
  min-height: 300px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.expertise-grid article > span {
  color: #89948f;
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
}

.expertise-grid h3 {
  margin: 72px 0 18px;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.expertise-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.decision-bar {
  margin-top: 34px;
  padding: 28px 30px;
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(380px, 1fr);
  gap: 80px;
  align-items: center;
  background: var(--ink);
  color: var(--white);
}

.decision-bar span,
.decision-bar strong {
  display: block;
}

.decision-bar span {
  margin-bottom: 9px;
  color: var(--signal);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.decision-bar strong {
  font-size: 20px;
  letter-spacing: -0.02em;
}

.decision-bar p {
  margin: 0;
  color: #afbbb6;
  font-size: 13px;
  line-height: 1.65;
}

.systems-section {
  padding: 130px 0 150px;
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 60px;
}

.section-note {
  max-width: 300px;
  margin: 0 0 5px;
  color: var(--muted);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  line-height: 1.7;
  letter-spacing: 0.08em;
  text-align: right;
  text-transform: uppercase;
}

.scope-grid {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.scope-card {
  min-height: 390px;
  padding: 28px 30px 34px;
  position: relative;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  transition: background 180ms ease, transform 180ms ease;
}

.scope-card:first-child {
  border-left: 1px solid var(--line);
}

.scope-card:hover {
  background: var(--white);
  transform: translateY(-4px);
}

.card-meta {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--font-geist-mono), monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scope-card h3 {
  margin: 80px 0 20px;
  font-size: 26px;
  letter-spacing: -0.035em;
}

.engineering-data {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.engineering-data div {
  min-height: 112px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.engineering-data span {
  color: var(--muted);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.engineering-data strong {
  font-size: 14px;
  line-height: 1.35;
}

.scope-card p {
  max-width: 340px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.card-line {
  width: 38px;
  height: 3px;
  margin-top: auto;
  background: var(--signal);
}

.energy-chain {
  margin-top: 70px;
  padding: 28px 0;
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 36px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.energy-chain > p {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-geist-mono), monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.energy-chain ol {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
}

.energy-chain li {
  min-height: 92px;
  padding: 0 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid var(--line);
}

.energy-chain li:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -8px;
  z-index: 2;
  color: #8a9691;
  background: var(--paper);
  transform: translateY(-50%);
}

.energy-chain li span {
  color: #8a9691;
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
}

.energy-chain li strong {
  max-width: 180px;
  font-size: 13px;
  line-height: 1.45;
}

.safety-section {
  padding: 130px max(36px, calc((100vw - 1480px) / 2));
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1fr);
  gap: 130px;
  background: #172622;
  color: var(--white);
}

.section-kicker.light {
  color: var(--safety);
}

.safety-heading h2 {
  max-width: 720px;
}

.safety-heading > p:last-child {
  max-width: 620px;
  margin: 38px 0 0;
  color: #aeb9b5;
  font-size: 16px;
  line-height: 1.75;
}

.safety-panel {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.safety-label {
  padding: 22px 0 34px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hazard-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--safety);
  color: var(--ink);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  padding-top: 9px;
  font-family: var(--font-geist-mono), monospace;
  font-weight: 800;
}

.safety-label small,
.safety-label strong {
  display: block;
}

.safety-label small {
  margin-bottom: 4px;
  color: #8fa09a;
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.safety-label strong {
  font-size: 15px;
}

.safety-panel ul {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  list-style: none;
}

.safety-panel li {
  min-height: 70px;
  padding: 16px 0;
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: #dbe1de;
  font-size: 14px;
  line-height: 1.45;
}

.safety-panel li span {
  color: var(--safety);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
}

.bim-section {
  padding: 140px 0;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1fr);
  gap: 140px;
}

.bim-copy > p:last-child {
  max-width: 600px;
  margin-top: 34px;
}

.model-list {
  border-top: 1px solid var(--line);
}

.model-list div {
  min-height: 86px;
  display: grid;
  grid-template-columns: 60px 1fr 30px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.model-list span {
  color: #89948f;
  font-family: var(--font-geist-mono), monospace;
  font-size: 10px;
}

.model-list span:last-child {
  color: var(--ink);
  font-size: 17px;
  text-align: right;
}

.model-list strong {
  font-size: 19px;
  letter-spacing: -0.02em;
}

footer {
  padding: 48px max(36px, calc((100vw - 1480px) / 2));
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  background: #101b18;
  color: var(--white);
}

.footer-title p {
  margin: 5px 0 0;
  color: #84918c;
  font-size: 11px;
}

footer > a {
  color: var(--signal);
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.copyright {
  grid-column: 1 / -1;
  margin: 18px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #6f7c77;
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

@media (max-width: 1050px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-facts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-facts div:nth-child(odd) {
    padding-right: 30px;
  }

  .hero-facts div:nth-child(even) {
    padding-left: 30px;
    border-left: 1px solid var(--line);
  }

  .project-section {
    grid-template-columns: 40px 1fr;
  }

  .project-copy {
    grid-column: 2;
    padding-top: 0;
  }

  .safety-section,
  .bim-section {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .expertise-heading {
    grid-template-columns: 1fr;
  }

  .expertise-heading > p:last-child {
    grid-column: 1;
    grid-row: auto;
    margin-top: 34px;
  }

  .expertise-grid,
  .scope-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .impact-strip,
  .engineering-data {
    grid-template-columns: repeat(2, 1fr);
  }

  .energy-chain {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header,
  .hero,
  .project-section,
  .expertise-section,
  .systems-section,
  .bim-section {
    width: min(100% - 36px, 1480px);
  }

  .site-header {
    min-height: 80px;
  }

  nav {
    display: none;
  }

  .hero {
    padding: 64px 0 54px;
  }

  .hero h1 {
    font-size: clamp(45px, 15vw, 66px);
    line-height: 0.96;
  }

  .hero-intro {
    margin-top: 30px;
    font-size: 17px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .hero-facts div:nth-child(odd),
  .hero-facts div:nth-child(even) {
    padding-left: 0;
    padding-right: 0;
    border-left: 0;
  }

  .video-section,
  .safety-section,
  footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .video-section {
    padding-top: 20px;
    padding-bottom: 80px;
  }

  .impact-strip {
    width: calc(100% - 36px);
    grid-template-columns: 1fr 1fr;
  }

  .impact-strip div {
    min-height: 130px;
    padding: 20px;
  }

  .video-heading,
  .section-heading-row {
    padding: 28px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }

  .video-heading > p,
  .section-note {
    text-align: left;
  }

  .video-topbar {
    height: 38px;
  }

  .project-section {
    padding: 90px 0;
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .project-copy {
    grid-column: 1;
  }

  .project-copy .lead {
    font-size: 19px;
  }

  .systems-section {
    padding: 90px 0 100px;
  }

  .expertise-section {
    padding: 90px 0;
  }

  .expertise-grid {
    margin-top: 42px;
    grid-template-columns: 1fr;
  }

  .expertise-grid article {
    min-height: 250px;
  }

  .decision-bar {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .scope-grid {
    margin-top: 34px;
    grid-template-columns: 1fr;
  }

  .engineering-data {
    grid-template-columns: 1fr 1fr;
  }

  .scope-card {
    min-height: 300px;
    border-left: 1px solid var(--line);
  }

  .energy-chain ol {
    grid-template-columns: 1fr;
  }

  .energy-chain li {
    min-height: 72px;
    padding: 15px 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .energy-chain li:not(:last-child)::after {
    display: none;
  }

  .safety-section {
    padding-top: 90px;
    padding-bottom: 90px;
    grid-template-columns: 1fr;
  }

  .bim-section {
    padding: 90px 0;
    grid-template-columns: 1fr;
  }

  footer {
    grid-template-columns: 1fr;
  }

  .copyright {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}