:root {
  --ink: #16181b;
  --ink-2: #1f2226;
  --steel: #2b2f35;
  --line: #3a3f46;
  --paper: #f4f2ee;
  --paper-2: #e9e6df;
  --text: #1c1e21;
  --muted: #5c6168;
  --muted-dark: #a7adb5;
  --accent: #f2a900;      /* safety amber */
  --accent-2: #d99700;
  --radius: 4px;
  --wrap: 1180px;
  --head: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 {
  font-family: var(--head);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: .01em;
  margin: 0 0 .5em;
}
h2 { font-size: clamp(2rem, 4.2vw, 3rem); }
h3 { font-size: 1.35rem; letter-spacing: .02em; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.eyebrow {
  font-family: var(--head);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .9rem;
  color: var(--accent-2);
  margin-bottom: .75em;
  display: flex;
  align-items: center;
  gap: .6em;
}
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--accent); }

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--head);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  text-decoration: none;
  padding: .85em 1.6em;
  background: var(--accent);
  color: var(--ink);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s, color .15s, transform .15s;
}
.btn:hover { background: var(--accent-2); border-color: var(--accent-2); transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: #fff; }
.btn-dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--steel); border-color: var(--steel); }
.btn-sm { padding: .5em 1.1em; font-size: 1rem; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(22,24,27,.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  color: #fff;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; font-family: var(--head); font-size: 1.35rem; letter-spacing: .06em; color: #fff; }
.brand strong { color: var(--accent); font-weight: 800; }
.menu { display: flex; align-items: center; gap: 1.8rem; }
.menu a:not(.btn) {
  font-family: var(--head); font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
  text-decoration: none; color: #d6d9dd; font-size: 1.05rem;
}
.menu a:not(.btn):hover { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; transition: transform .2s, opacity .2s; }

/* Hero */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  padding: clamp(80px, 12vw, 150px) 0 clamp(150px, 18vw, 220px);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
}
.hero-skyline { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: clamp(120px, 18vw, 260px); }
.hero-skyline > path { fill: var(--ink-2); }
.hero-skyline .crane path { fill: none; stroke: var(--accent); stroke-width: 3; opacity: .85; }
.hero-skyline .crane .cable { stroke-width: 1.5; }
.hero-skyline .crane rect { fill: var(--accent); opacity: .85; }
.hero-content { position: relative; max-width: 860px; margin-left: max(20px, calc((100vw - var(--wrap)) / 2)); margin-right: 20px; padding: 0; }
.hero h1 { font-size: clamp(3.2rem, 9vw, 6.5rem); font-weight: 800; margin-bottom: .3em; }
.hero h1 span { color: var(--accent); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: #c9cdd2; max-width: 620px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 2rem 0 2.2rem; }
.hero-tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.6rem; }
.hero-tags li {
  font-family: var(--head); text-transform: uppercase; letter-spacing: .1em; font-weight: 600;
  color: #e7e9ec; font-size: .95rem; display: flex; align-items: center; gap: .5em;
}
.hero-tags li::before { content: ""; width: 8px; height: 8px; background: var(--accent); transform: rotate(45deg); }

/* Sections */
.section { padding: clamp(70px, 9vw, 110px) 0; }
.section-alt { background: var(--paper-2); }
.section-dark { background: var(--ink); color: #fff; }
.section-dark p { color: var(--muted-dark); }
.section-head { max-width: 680px; margin-bottom: 3rem; }
.section-head > p:last-child { color: var(--muted); font-size: 1.1rem; }

/* Services */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card {
  background: #fff;
  border: 1px solid #ddd8ce;
  border-top: 4px solid var(--ink);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.card:hover { border-top-color: var(--accent); transform: translateY(-3px); box-shadow: 0 12px 28px -18px rgba(0,0,0,.35); }
.card svg { width: 44px; height: 44px; margin-bottom: 18px; fill: none; stroke: var(--ink); stroke-width: 2.4; stroke-linejoin: round; stroke-linecap: round; }
.card:hover svg { stroke: var(--accent-2); }
.card p { color: var(--muted); font-size: .98rem; margin: 0; }
.cards-note { margin-top: 2rem; color: var(--muted); font-style: italic; }

/* About */
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.about-text .btn { margin-top: .8rem; }
.pillars { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.pillars li { background: var(--ink-2); padding: 28px 24px; }
.pillars h3 { color: var(--accent); font-size: 1.25rem; }
.pillars p { margin: 0; font-size: .97rem; }

/* Process */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: s; }
.steps li { position: relative; padding: 0 24px 0 0; }
.steps li::before {
  content: ""; position: absolute; top: 34px; left: 74px; right: 12px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--ink) 0 10px, transparent 10px 18px);
  opacity: .25;
}
.steps li:last-child::before { display: none; }
.step-num {
  display: inline-grid; place-items: center;
  width: 68px; height: 68px; margin-bottom: 18px;
  font-family: var(--head); font-weight: 800; font-size: 1.7rem;
  background: var(--ink); color: var(--accent);
  border-radius: var(--radius);
}
.steps p { color: var(--muted); margin: 0; }

/* Area */
.area { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.area p { color: var(--muted); }
.area-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.area-list li {
  background: #fff; border-left: 4px solid var(--accent);
  padding: 12px 14px;
  font-family: var(--head); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; font-size: 1.05rem;
}

/* Band */
.band {
  background: var(--accent);
  background-image: repeating-linear-gradient(-45deg, transparent 0 22px, rgba(0,0,0,.06) 22px 44px);
  padding: 48px 0;
}
.band-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.band h2 { margin: 0; color: var(--ink); }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(40px, 6vw, 90px); }
.contact-info > p { color: var(--muted); }
.contact-info dl { margin: 2rem 0 0; display: grid; gap: 18px; }
.contact-info dt { font-family: var(--head); text-transform: uppercase; letter-spacing: .14em; font-size: .85rem; color: var(--muted); }
.contact-info dd { margin: 0; font-size: 1.2rem; font-weight: 600; }
.contact-info dd a { text-decoration: none; }
.contact-info dd a:hover { color: var(--accent-2); }
.contact-form {
  background: #fff; padding: clamp(24px, 4vw, 40px);
  border: 1px solid #ddd8ce; border-top: 4px solid var(--accent); border-radius: var(--radius);
  display: grid; gap: 18px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label {
  display: grid; gap: 6px;
  font-family: var(--head); text-transform: uppercase; letter-spacing: .1em; font-size: .9rem; font-weight: 600;
}
.contact-form input, .contact-form select, .contact-form textarea {
  font: inherit; font-family: var(--body); text-transform: none; letter-spacing: 0; font-size: 1rem; font-weight: 400;
  width: 100%; padding: 12px 14px;
  border: 1.5px solid #cfc9bd; border-radius: var(--radius); background: var(--paper);
  color: var(--text);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--ink); background: #fff; }
.contact-form .invalid { border-color: #c0392b; }
.contact-form button { justify-self: start; }
.form-status { margin: 0; font-size: .95rem; color: var(--muted); min-height: 1.4em; }

/* Footer */
.footer { background: var(--ink); color: var(--muted-dark); padding: 48px 0 36px; border-top: 4px solid var(--accent); }
.footer-inner { display: grid; gap: 10px; justify-items: center; text-align: center; }
.footer .brand { font-size: 1.2rem; margin-bottom: 6px; }
.footer p { margin: 0; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--accent); }
.footer .small { font-size: .85rem; opacity: .7; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .btn { transition: none; }
}

/* Responsive */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 40px 0; }
  .steps li:nth-child(2)::before { display: none; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .menu {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); border-bottom: 1px solid var(--line);
    padding: 8px 20px 20px;
    display: none;
  }
  .menu.open { display: flex; }
  .menu a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .menu .btn { margin-top: 16px; text-align: center; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .about, .area, .contact { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .brand { font-size: 1.15rem; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps li::before { display: none; }
  .pillars { grid-template-columns: 1fr; }
  .area-list { grid-template-columns: repeat(2, 1fr); }
  .field-row { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1 1 100%; text-align: center; }
  .contact-form button { justify-self: stretch; }
}