@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Source+Serif+4:opsz,wght@8..60,500;8..60,600&display=swap");

:root {
  --navy: #0b1f33;
  --navy-mid: #123049;
  --navy-light: #1a4466;
  --gold: #c9a227;
  --gold-soft: #e0c056;
  --sand: #f6f1e7;
  --ink: #141b22;
  --muted: #5c6770;
  --white: #ffffff;
  --line: rgba(201, 162, 39, 0.35);
  --shadow: 0 22px 60px rgba(11, 31, 51, 0.12);
  --radius: 16px;
  --max: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Outfit, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
code { font-size: .92em; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.serif { font-family: "Source Serif 4", Georgia, serif; }

.topbar {
  background: var(--navy); color: #c5d2dc; font-size: 13px; padding: 8px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar a:hover { color: var(--gold-soft); }

header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid #eadfbf;
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img.logo { width: 46px; height: 46px; }
.brand-text strong { display: block; font-size: 14px; letter-spacing: .1em; color: var(--navy); }
.brand-text span { font-size: 11px; color: var(--muted); letter-spacing: .14em; text-transform: uppercase; }

nav.menu { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
nav.menu a { font-size: 13.5px; font-weight: 600; color: var(--navy); }
nav.menu a:hover, nav.menu a.active { color: var(--gold); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--gold); color: var(--navy); font-weight: 700;
  padding: 12px 18px; border-radius: 8px; border: 0; cursor: pointer;
  letter-spacing: .03em; transition: .2s ease; font-size: 14px;
}
.btn:hover { background: var(--gold-soft); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4); }
.btn.ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn.line { background: transparent; color: var(--navy); border: 1px solid #d9ceb0; }
.burger { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--navy); }

.hero {
  position: relative; min-height: 86vh;
  background:
    linear-gradient(105deg, rgba(11,31,51,.9) 8%, rgba(11,31,51,.52) 58%, rgba(11,31,51,.28)),
    url("../img/hero-infra.jpg") center/cover no-repeat;
  color: #fff; display: grid; align-items: end;
}
.hero .wrap { padding: 120px 0 88px; }
.kicker {
  color: var(--gold-soft); letter-spacing: .22em; text-transform: uppercase;
  font-size: 12px; font-weight: 700; margin-bottom: 14px;
}
.hero h1 {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(38px, 6vw, 72px); line-height: 1.05;
  max-width: 14ch; font-weight: 600; margin-bottom: 18px;
}
.hero p.lead { max-width: 54ch; color: #dbe6ee; font-size: 18px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-foot {
  display: flex; gap: 28px; flex-wrap: wrap; margin-top: 48px;
  padding-top: 22px; border-top: 1px solid rgba(255,255,255,.18);
  color: #c9d6df; font-size: 13px;
}
.hero-foot b { display: block; color: #fff; font-size: 16px; }

section { padding: 84px 0; }
.section-head { margin-bottom: 36px; }
.section-head h2, .page-hero h1, h2 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600; color: var(--navy); line-height: 1.15;
}
.section-head h2 { font-size: clamp(28px, 3.2vw, 42px); }
.section-head p { color: var(--muted); max-width: 64ch; margin-top: 10px; }
.gold-line { width: 64px; height: 3px; background: var(--gold); margin: 14px 0 0; }

.grid-2 { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.card {
  background: #fff; border: 1px solid #eee6d2; border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
}
.card h3 { color: var(--navy); margin-bottom: 8px; font-size: 20px; }
.icon {
  width: 46px; height: 46px; border-radius: 10px; margin-bottom: 16px;
  display: grid; place-items: center; background: #f7f1de; color: var(--navy);
  border: 1px solid var(--line); font-weight: 700;
}

.mission { background: var(--sand); }
.quote { font-family: "Source Serif 4", Georgia, serif; font-size: 22px; color: var(--navy); line-height: 1.45; }

.band { background: var(--navy); color: #fff; padding: 42px 0; }
.stat { text-align: center; padding: 10px; }
.stat b { display: block; font-size: 34px; color: var(--gold-soft); }
.stat span { color: #c9d6df; font-size: 13px; }

.services-list li {
  padding: 8px 0 8px 18px; position: relative; color: #334;
}
.services-list li::before {
  content: ""; position: absolute; left: 0; top: 16px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--gold);
}

table.exp { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; }
table.exp th, table.exp td { text-align: left; padding: 12px 14px; border-bottom: 1px solid #efe7d4; vertical-align: top; }
table.exp th { background: var(--navy); color: #fff; font-weight: 600; }
table.exp tr:hover td { background: #fbf7ee; }

.work { border: 1px solid #eee6d2; border-radius: var(--radius); overflow: hidden; background: #fff; }
.work img { width: 100%; height: 180px; object-fit: cover; }
.work .meta { padding: 20px 22px 24px; }
.work h3 { font-size: 18px; color: var(--navy); margin-bottom: 8px; }
.tag {
  display: inline-block; font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  background: #f7f1de; color: var(--navy); padding: 4px 8px; border-radius: 999px; margin-bottom: 10px;
}
.budget { color: #9a7a1c; font-weight: 700; margin-top: 10px; }
.photo-note { font-size: 12px; color: var(--muted); margin-top: 10px; font-style: italic; }

.role { color: var(--gold); font-weight: 700; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; }
form { display: grid; gap: 12px; }
input, textarea, select {
  width: 100%; padding: 12px 14px; border-radius: 8px;
  border: 1px solid #d9d0b6; font: inherit; background: #fff;
}
textarea { min-height: 140px; resize: vertical; }

.steps { counter-reset: step; }
.steps article { position: relative; padding-top: 8px; }
.steps article::before {
  counter-increment: step; content: "0" counter(step);
  display: block; color: var(--gold); font-weight: 800; letter-spacing: .12em; margin-bottom: 8px;
}

.logos {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.logos span {
  border: 1px solid #eee6d2; border-radius: 12px; padding: 18px 12px;
  text-align: center; font-size: 13px; font-weight: 600; color: var(--navy-light);
  background: #fff;
}

footer { background: #071522; color: #b7c4ce; padding: 52px 0 20px; }
footer .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 24px; margin-bottom: 28px; }
footer h4 { color: #fff; margin-bottom: 12px; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; }
footer a:hover { color: var(--gold-soft); }
.copy { border-top: 1px solid rgba(255,255,255,.08); padding-top: 16px; font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.page-hero {
  background:
    linear-gradient(120deg, rgba(11,31,51,.88), rgba(18,48,73,.7)),
    url("../img/obra-montana.jpg") center/cover no-repeat;
  color: #fff; padding: 88px 0 60px;
}
.page-hero h1 { color: #fff; font-size: clamp(30px, 4.4vw, 52px); }

.cookie {
  position: fixed; bottom: 16px; left: 16px; right: 16px; z-index: 80;
  max-width: 720px; margin: 0 auto; background: var(--navy); color: #d7e2ea;
  padding: 16px 18px; border-radius: 12px; display: none; align-items: center; justify-content: space-between; gap: 12px;
  box-shadow: var(--shadow);
}
.cookie.show { display: flex; }

@media (max-width: 980px) {
  .grid-2, .grid-3, .grid-4, .contact-grid, footer .cols, .logos { grid-template-columns: 1fr 1fr; }
  .burger { display: block; }
  nav.menu {
    display: none; position: absolute; left: 0; right: 0; top: 78px;
    background: #fff; flex-direction: column; padding: 18px 20px 24px;
    border-bottom: 1px solid #eadfbf; align-items: flex-start;
  }
  nav.menu.open { display: flex; }
  .hero { min-height: auto; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .contact-grid, footer .cols, .logos { grid-template-columns: 1fr; }
}