:root {
  --navy: #0d1721;
  --black: #111;
  --bronze: #b67a4b;
  --bronze-dark: #91603b;
  --cream: #f7f3ef;
  --grey: #666;
  --line: #e6e1dc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--black);
  background: white;
}
h1, h2, h3 {
  font-family: Georgia, 'Times New Roman', serif;
  margin: 0 0 18px;
  line-height: 1.05;
}
p { line-height: 1.65; color: #333; }
a { color: inherit; text-decoration: none; }

.site-header {
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.96);
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo img { width: 220px; display: block; }
.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}
.nav a:hover { color: var(--bronze); }
.nav-cta {
  border: 1px solid var(--bronze);
  padding: 14px 18px;
}
.menu-toggle { display: none; background: none; border: 0; font-size: 28px; }

.hero {
  min-height: 610px;
  display: flex;
  align-items: center;
  position: relative;
  background:
    linear-gradient(90deg, rgba(0,0,0,.82) 0%, rgba(0,0,0,.48) 42%, rgba(0,0,0,.06) 100%),
    url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1800&q=80") center/cover;
}
.hero-content {
  position: relative;
  max-width: 760px;
  padding: 70px 52px;
  color: white;
}
.eyebrow {
  display: inline-block;
  color: var(--bronze);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 14px;
  font-size: 14px;
}
.hero h1 {
  font-size: clamp(46px, 6vw, 76px);
  color: white;
}
.hero p {
  color: white;
  max-width: 590px;
  font-size: 18px;
}
.actions { display: flex; gap: 18px; margin-top: 30px; flex-wrap: wrap; }
.btn {
  padding: 18px 28px;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 14px;
}
.primary { background: var(--bronze); color: white; }
.secondary { border: 1px solid white; color: white; }

.trust-strip {
  background: linear-gradient(90deg, #101820, #172532);
  color: white;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.trust-strip div {
  padding: 25px 28px;
  border-right: 1px solid rgba(255,255,255,.16);
  display: grid;
  grid-template-columns: 42px 1fr;
  column-gap: 12px;
}
.trust-strip span { color: var(--bronze); font-size: 30px; grid-row: span 2; }
.trust-strip strong { display: block; }
.trust-strip small { color: #ddd; }

.section { padding: 70px 6%; }
.section-heading { text-align: center; margin-bottom: 40px; }
.section-heading h2, .technical h2, .split h2, .contact h2 { font-size: clamp(32px, 4vw, 48px); }
.cards, .project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.card, .project-grid article {
  border: 1px solid var(--line);
  background: white;
  box-shadow: 0 18px 40px rgba(0,0,0,.05);
}
.photo, .project-img {
  height: 210px;
  background-size: cover;
  background-position: center;
}
.photo-1, .project-2 { background-image: url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=900&q=80"); }
.photo-2 { background-image: url("https://images.unsplash.com/photo-1518005020951-eccb494ad742?auto=format&fit=crop&w=900&q=80"); }
.photo-3 { background-image: url("https://images.unsplash.com/photo-1519710164239-da123dc03ef4?auto=format&fit=crop&w=900&q=80"); }
.photo-4 { background-image: url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=900&q=80"); }
.project-1 { background-image: url("https://images.unsplash.com/photo-1545324418-cc1a3fa10c00?auto=format&fit=crop&w=900&q=80"); }
.project-3 { background-image: url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=900&q=80"); }
.card-body { padding: 28px; }
.card h3 { font-size: 25px; text-transform: uppercase; }
.card a, .project-grid a { font-weight: 800; font-size: 13px; text-transform: uppercase; }

.split {
  background: var(--cream);
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 55px;
  align-items: center;
}
.check-list {
  columns: 2;
  list-style: none;
  padding: 0;
  margin: 0;
}
.check-list li {
  break-inside: avoid;
  margin: 0 0 18px;
  font-weight: 700;
}
.check-list li::before {
  content: "✓";
  color: var(--bronze);
  margin-right: 12px;
}

.technical { text-align: center; }
.tech-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.tech-grid div {
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--cream);
  font-weight: 700;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: end;
  text-align: left;
}
.project-grid { grid-template-columns: repeat(3, 1fr); }
.project-grid article { padding-bottom: 20px; }
.project-grid h3, .project-grid p, .project-grid a { padding: 0 20px; }
.project-grid h3 { font-family: Arial, Helvetica, sans-serif; text-transform: uppercase; font-size: 15px; margin-top: 20px; }
.outline-link {
  border: 1px solid var(--bronze);
  padding: 14px 20px;
  font-weight: 800;
  color: var(--bronze-dark);
}

.quote {
  margin: 20px 4% 70px;
  background: linear-gradient(135deg, #111820, #172532);
  color: white;
  border-radius: 8px;
  display: grid;
  grid-template-columns: .9fr 1.35fr;
  gap: 40px;
  padding: 42px;
}
.quote h2 { color: var(--bronze); font-size: clamp(34px, 4vw, 52px); text-transform: uppercase; }
.quote p { color: white; }
.quote-benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 35px;
  font-size: 12px;
}
.quote-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.quote-form input, .quote-form textarea, .upload {
  width: 100%;
  border: 0;
  padding: 15px;
  border-radius: 3px;
  background: white;
  font: inherit;
}
.upload {
  color: #555;
  border: 1px dashed #aaa;
  text-align: center;
}
.quote-form textarea { min-height: 100px; }
.quote-form button {
  grid-column: 1 / -1;
  border: 0;
  background: var(--bronze);
  color: white;
  font-weight: 800;
  padding: 17px;
  text-transform: uppercase;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: var(--cream);
}
.contact-card {
  background: white;
  border: 1px solid var(--line);
  padding: 30px;
}

footer {
  background: #101820;
  color: white;
  padding: 42px 6%;
}
footer img { width: 220px; background: white; padding: 10px; }
footer p, footer small { color: #ddd; }

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 92px;
    background: white;
    padding: 22px;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav.open { display: flex; }
  .trust-strip, .cards, .project-grid, .tech-grid, .split, .quote, .contact {
    grid-template-columns: 1fr;
  }
  .check-list { columns: 1; }
  .quote-form { grid-template-columns: 1fr; }
  .site-header { padding: 0 18px; }
  .logo img { width: 170px; }
  .hero-content { padding: 50px 28px; }
}