:root {
  --ink: #101214;
  --ink-2: #1a1d20;
  --paper: #ffffff;
  --mist: #f4f5f6;
  --line: #d9dcdf;
  --muted: #666c72;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }

.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 20;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.nav-wrap { height: 88px; display: flex; align-items: center; gap: 28px; }
.brand { width: 170px; }
.brand img { width: 100%; height: auto; }
.nav { display: flex; gap: 28px; margin-left: auto; font-size: 14px; font-weight: 600; }
.nav a { opacity: .88; }
.nav a:hover { opacity: 1; }
.nav-cta { margin-left: 8px; }
.menu-toggle { display:none; margin-left:auto; border:0; background:transparent; color:#fff; font-size:28px; }

.hero { min-height: 92vh; position: relative; color: #fff; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position:absolute; inset:0; background-image:url('assets/hero-construction.jpg'); background-size:cover; background-position:center; transform:scale(1.01); }
.hero-overlay { position:absolute; inset:0; background: linear-gradient(90deg, rgba(6,9,12,.94) 0%, rgba(6,9,12,.82) 35%, rgba(6,9,12,.28) 66%, rgba(6,9,12,.10) 100%); }
.hero-content { position:relative; z-index:2; padding-top: 95px; }
.hero-copy { max-width: 655px; }
.hero-logo { width: 470px; max-width: 90%; margin-bottom: 28px; }
.eyebrow { text-transform: uppercase; letter-spacing: .25em; font-size: 12px; font-weight: 700; margin: 0 0 18px; }
.eyebrow.dark { color: #52575b; }
h1, h2, h3 { font-family: "Barlow Condensed", sans-serif; margin-top: 0; }
h1 { font-size: clamp(52px, 7vw, 90px); line-height: .92; max-width: 720px; margin-bottom: 24px; }
.hero-intro { font-size: 18px; max-width: 590px; color: rgba(255,255,255,.84); }
.hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:32px; }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:0 22px; border-radius:2px; font-weight:700; font-size:14px; border:1px solid transparent; transition:.2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-light { background:#fff; color:#111; }
.btn-ghost { color:#fff; border-color:rgba(255,255,255,.6); background:rgba(255,255,255,.06); backdrop-filter:blur(8px); }
.btn-outline { color:#fff; border-color:rgba(255,255,255,.45); }
.btn-dark { background:var(--ink); color:#fff; }
.btn.full { width:100%; margin-top:10px; }
.scroll-cue { position:absolute; z-index:2; bottom:26px; left:50%; transform:translateX(-50%); font-size:12px; text-transform:uppercase; letter-spacing:.16em; opacity:.8; }
.scroll-cue span { margin-left:8px; }

.stats-strip { background:#0d0f11; color:#fff; border-top:1px solid rgba(255,255,255,.12); }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); }
.stats-grid > div { padding:26px 24px; border-right:1px solid rgba(255,255,255,.12); }
.stats-grid > div:last-child { border-right:0; }
.stats-grid strong { display:block; font-size:15px; }
.stats-grid span { display:block; color:#9da3a8; font-size:12px; margin-top:4px; }

.section { padding: 110px 0; }
.section-heading { max-width: 790px; margin-bottom: 48px; }
.section-heading h2, .split-copy h2, .project-copy h2, .contact h2 { font-size: clamp(42px, 5vw, 68px); line-height: .98; margin-bottom:18px; }
.section-heading > p:last-child, .split-copy > p, .project-copy > p, .contact > .container > div > p { color:var(--muted); font-size:17px; }

.services { background:var(--mist); }
.service-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.service-card { background:#fff; padding:30px 28px; min-height:255px; border:1px solid #e3e5e7; transition:.2s ease; }
.service-card:hover { transform:translateY(-3px); box-shadow:0 12px 30px rgba(0,0,0,.06); }
.service-card.wide { grid-column: span 4; min-height: 0; display:grid; grid-template-columns:70px 1fr; column-gap:16px; align-items:start; }
.service-card.wide h3, .service-card.wide p { grid-column:2; }
.service-card .icon { width:52px; height:52px; border-radius:50%; display:grid; place-items:center; background:#111; color:#fff; font-size:24px; margin-bottom:24px; }
.service-card h3 { font-size:28px; line-height:1; margin-bottom:14px; }
.service-card p { color:var(--muted); margin:0; }

.split { padding:0; display:grid; grid-template-columns:1.12fr .88fr; min-height:720px; background:#111; color:#fff; }
.split-image { background-image:url('assets/bridge-infrastructure.jpg'); background-size:cover; background-position:32% center; min-height:620px; }
.split-copy { padding:90px clamp(40px, 7vw, 110px); display:flex; flex-direction:column; justify-content:center; }
.split-copy > p { color:#c7cbce; }
.ticks { list-style:none; padding:0; margin:28px 0; display:grid; gap:14px; }
.ticks li { position:relative; padding-left:28px; }
.ticks li::before { content:"✓"; position:absolute; left:0; color:#fff; font-weight:700; }
.text-link { font-weight:700; border-bottom:1px solid rgba(255,255,255,.35); align-self:flex-start; padding-bottom:4px; }

.project { background:#fff; }
.project-grid { display:grid; grid-template-columns:.82fr 1.18fr; gap:64px; align-items:center; }
.project-photo { margin:0; background:#111; }
.project-photo img { width:100%; aspect-ratio: 4 / 3; object-fit:cover; }
.project-photo figcaption { color:#fff; text-align:center; padding:16px; text-transform:uppercase; letter-spacing:.2em; font-size:11px; }
.project-copy p { margin-bottom:26px; }

.contact { background:#f3f4f5; padding:100px 0; }
.contact-grid { display:grid; grid-template-columns:1fr .9fr; gap:80px; align-items:center; }
.contact-card { background:#fff; padding:36px; border:1px solid #e0e2e4; box-shadow:0 18px 50px rgba(0,0,0,.06); display:grid; gap:12px; }
.contact-logo-wrap { width:320px; max-width:100%; margin-bottom:5px; }
.contact-card h3 { font-size:38px; margin:8px 0 2px; }
.contact-card > a:not(.btn) { color:#3f454a; overflow-wrap:anywhere; }

.footer { background:#0d0f11; color:#fff; padding:46px 0; }
.footer-inner { display:grid; grid-template-columns:1fr auto; gap:24px 40px; align-items:center; }
.footer img { width:260px; }
.footer p { margin:8px 0 0; color:#9da3a8; font-size:13px; }
.footer-links { display:flex; gap:22px; font-size:13px; }
.copyright { grid-column:1/-1; border-top:1px solid rgba(255,255,255,.12); padding-top:22px; }

@media (max-width: 920px) {
  .nav, .nav-cta { display:none; }
  .menu-toggle { display:block; }
  .nav.open { display:flex; position:absolute; top:88px; left:20px; right:20px; background:#111; padding:18px; flex-direction:column; gap:12px; border:1px solid rgba(255,255,255,.15); }
  .hero { min-height: 88vh; }
  .hero-overlay { background:linear-gradient(90deg, rgba(6,9,12,.92), rgba(6,9,12,.58)); }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .stats-grid > div:nth-child(2) { border-right:0; }
  .stats-grid > div:nth-child(-n+2) { border-bottom:1px solid rgba(255,255,255,.12); }
  .service-grid { grid-template-columns:1fr 1fr; }
  .service-card.wide { grid-column:span 2; }
  .split, .project-grid, .contact-grid { grid-template-columns:1fr; }
  .split-image { min-height:460px; }
  .project-grid { gap:38px; }
  .contact-grid { gap:40px; }
}

@media (max-width: 620px) {
  .container { width:min(calc(100% - 28px), var(--max)); }
  .nav-wrap { height:74px; }
  .brand { width:150px; }
  .nav.open { top:74px; left:14px; right:14px; }
  .hero-content { padding-top:80px; }
  .hero-logo { width:330px; }
  .hero-intro { font-size:16px; }
  .scroll-cue { display:none; }
  .stats-grid { grid-template-columns:1fr; }
  .stats-grid > div { border-right:0; border-bottom:1px solid rgba(255,255,255,.12); }
  .stats-grid > div:last-child { border-bottom:0; }
  .section { padding:80px 0; }
  .service-grid { grid-template-columns:1fr; }
  .service-card.wide { grid-column:span 1; display:block; }
  .service-card.wide h3, .service-card.wide p { grid-column:auto; }
  .split-copy { padding:70px 28px; }
  .contact { padding:76px 0; }
  .contact-card { padding:28px 22px; }
  .footer-inner { grid-template-columns:1fr; }
  .footer-links { flex-wrap:wrap; }
}

/* Featured timelapse */
.video-feature { background:#f5f5f3; }
.video-heading { max-width:760px; margin-bottom:36px; }
.video-frame { position:relative; width:100%; aspect-ratio:16 / 9; background:#000; overflow:hidden; box-shadow:0 24px 60px rgba(0,0,0,.14); }
.video-frame iframe { position:absolute; inset:0; width:100%; height:100%; border:0; }

.video-fallback { margin-top:16px; font-size:.92rem; color:#555; }
.video-fallback a { color:#111; font-weight:600; text-decoration:underline; text-underline-offset:3px; }


/* Selected work gallery */
.gallery { background:#0d0f11; color:#fff; }
.gallery .eyebrow.dark { color:#aab0b5; }
.gallery-heading > p:last-child { color:#aeb4b8; }
.gallery-grid { display:grid; grid-template-columns:repeat(12,1fr); gap:14px; }
.gallery-item { position:relative; margin:0; overflow:hidden; background:#191c1f; min-height:300px; grid-column:span 4; }
.gallery-item-large { grid-column:span 8; min-height:460px; }
.gallery-item-wide { grid-column:span 8; }
.gallery-item img { width:100%; height:100%; min-height:inherit; object-fit:cover; transition:transform .45s ease; }
.gallery-item::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg, transparent 52%, rgba(0,0,0,.82) 100%); pointer-events:none; }
.gallery-item:hover img { transform:scale(1.025); }
.gallery-item figcaption { position:absolute; z-index:2; left:24px; right:24px; bottom:22px; display:flex; flex-direction:column; gap:3px; }
.gallery-item figcaption strong { font-family:"Barlow Condensed",sans-serif; font-size:27px; line-height:1; }
.gallery-item figcaption span { color:rgba(255,255,255,.72); font-size:12px; letter-spacing:.03em; }

@media (max-width:920px) {
  .gallery-item, .gallery-item-large, .gallery-item-wide { grid-column:span 6; min-height:320px; }
}
@media (max-width:620px) {
  .gallery-grid { grid-template-columns:1fr; }
  .gallery-item, .gallery-item-large, .gallery-item-wide { grid-column:auto; min-height:260px; }
}