:root {
  --blue: #005aab;
  --blue-dark: #00468a;
  --orange: #f58220;
  --orange-dark: #e06f10;
  --navy: #0b2747;
  --light: #e8f0fb;
  --ink: #1d2433;
  --muted: #5b6475;
  --line: #dfe5ee;
  --bg: #ffffff;
  --radius: 14px;
  --wrap: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, sans-serif; color: var(--ink); background: var(--bg); font-size: 17px; line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: var(--blue); }
h1, h2, h3 { font-family: 'Roboto Slab', Georgia, serif; line-height: 1.2; margin: 0 0 .5em; color: var(--navy); }
h1 { font-size: clamp(32px, 5vw, 52px); }
h2 { font-size: clamp(26px, 3.4vw, 36px); }
h3 { font-size: 21px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.96); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo img { width: 38px; height: 38px; }
.logo span { font-family: 'Roboto Slab', serif; font-weight: 700; font-size: 25px; color: var(--blue); letter-spacing: -.4px; }
.logo small { display: block; font-family: Inter, sans-serif; font-weight: 400; font-size: 11px; color: var(--muted); letter-spacing: 0; margin-top: -4px; }
.main-nav ul { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; align-items: center; }
.main-nav a { text-decoration: none; color: var(--ink); font-weight: 500; }
.main-nav a[aria-current="page"], .main-nav a:hover { color: var(--blue); }
.header-phone { font-weight: 600; text-decoration: none; color: var(--navy) !important; white-space: nowrap; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: inherit; cursor: pointer; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 2px solid transparent; cursor: pointer; font: 600 16px Inter, sans-serif; }
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); }
.btn-outline { border-color: var(--blue); color: var(--blue); background: #fff; }
.btn-outline:hover { background: var(--light); }
.btn-light { border-color: rgba(255,255,255,.5); color: #fff; }

/* hero */
.hero { background: linear-gradient(135deg, var(--navy) 0%, #0d3a6b 100%); color: #fff; position: relative; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; padding-top: 72px; padding-bottom: 80px; }
.hero h1 { color: #fff; }
.hero p.lead { font-size: 20px; color: #cfdcf0; max-width: 560px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero .group { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: #cfdcf0; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: 6px 14px; margin-bottom: 22px; }
.hero .group b { color: #fff; }
.hero-mark { justify-self: center; width: min(340px, 80%); opacity: .95; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 48px 48px; pointer-events: none; }

/* sections */
section { padding: 80px 0; }
.section-light { background: var(--light); }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--orange); margin-bottom: 8px; }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head p { color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card .icon { width: 44px; height: 44px; border-radius: 10px; background: var(--light); color: var(--blue); display: grid; place-items: center; margin-bottom: 14px; }
.card p { color: var(--muted); margin: 0; font-size: 16px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.stat { border-left: 4px solid var(--orange); padding: 4px 0 4px 16px; }
.stat b { display: block; font-family: 'Roboto Slab', serif; font-size: 30px; color: var(--blue); }
.stat span { color: var(--muted); font-size: 15px; }

/* projects preview */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.proj-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.proj-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(11,39,71,.12); }
.proj-card img { aspect-ratio: 16/10; object-fit: cover; object-position: top left; width: 100%; }
.proj-card .body { padding: 20px 22px 24px; }
.proj-card .meta { font-size: 13px; color: var(--muted); }
.proj-card h3 { margin: 6px 0 8px; }
.proj-card p { margin: 0; color: var(--muted); font-size: 15px; }

/* clients */
.clients { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.client { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; }
.client b { display: block; color: var(--navy); }
.client span { font-size: 14px; color: var(--muted); }

/* group block */
.group-block { display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.group-block img { width: 64px; }
.group-block p { margin: 0; color: var(--muted); }

/* contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; }
.contact-list { list-style: none; padding: 0; margin: 0 0 20px; }
.contact-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-list small { display: block; color: var(--muted); font-size: 13px; }
.contact-list a { font-weight: 600; text-decoration: none; font-size: 19px; }
form.lead-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; gap: 14px; }
.lead-form label { font-size: 14px; font-weight: 600; display: grid; gap: 6px; }
.lead-form input, .lead-form textarea { font: inherit; padding: 12px 14px; border: 1px solid #c9d2df; border-radius: 10px; }
.lead-form input:focus, .lead-form textarea:focus { outline: 2px solid var(--blue); border-color: transparent; }
.lead-form .consent { display: flex; gap: 10px; font-weight: 400; font-size: 13px; color: var(--muted); align-items: flex-start; }
.lead-form .consent input { margin-top: 3px; }
.form-note { font-size: 13px; color: var(--muted); margin: 0; }
.form-ok { display: none; background: #e9f7ee; color: #1f6b3a; padding: 12px 14px; border-radius: 10px; font-size: 15px; }

/* project page */
.page-head { background: var(--light); padding: 56px 0 40px; }
.page-head p { color: var(--muted); max-width: 720px; }
.breadcrumbs { font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.case { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; padding: 56px 0; border-bottom: 1px solid var(--line); }
.case:last-child { border-bottom: 0; }
.case .gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.case .gallery a:first-child { grid-column: 1 / -1; }
.case .gallery img { border-radius: 10px; border: 1px solid var(--line); aspect-ratio: 16/10; object-fit: cover; object-position: top left; width: 100%; }
.case .gallery a:first-child img { aspect-ratio: 16/9; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 18px; }
.tag { font-size: 13px; background: var(--light); color: var(--blue); padding: 4px 10px; border-radius: 999px; }
.status { font-size: 13px; padding: 4px 10px; border-radius: 999px; background: #fff3e6; color: #a2510a; }
.trs { display: grid; gap: 14px; margin: 18px 0; }
.trs div { border-left: 4px solid var(--blue); padding-left: 14px; }
.trs div.res { border-color: var(--orange); }
.trs b { display: block; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.trs p { margin: 2px 0 0; }
.facts { width: 100%; border-collapse: collapse; font-size: 15px; }
.facts td { padding: 8px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.facts td:first-child { color: var(--muted); width: 40%; }
.todo { background: #fff8e1; border: 1px dashed #e0b84a; padding: 1px 6px; border-radius: 4px; font-size: .92em; }

/* lightbox */
.lightbox { position: fixed; inset: 0; background: rgba(5,15,30,.9); display: none; align-items: center; justify-content: center; z-index: 20; padding: 20px; }
.lightbox.open { display: flex; }
.lightbox img { max-height: 88vh; border-radius: 8px; }
.lightbox button { position: absolute; top: 16px; right: 16px; background: #fff; border: 0; border-radius: 50%; width: 40px; height: 40px; font-size: 22px; cursor: pointer; }

/* text page */
.text-page { max-width: 780px; padding: 56px 20px 80px; }
.text-page h2 { font-size: 24px; margin-top: 1.6em; }

/* footer */
.site-footer { background: var(--navy); color: #b9c6da; padding: 56px 0 28px; font-size: 15px; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 30px; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer h3 { color: #fff; font-family: Inter, sans-serif; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.site-footer .logo span { color: #fff; }
.site-footer .legal { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 20px; font-size: 13px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

/* mobile */
@media (max-width: 900px) {
  .hero .wrap, .contact-grid, .case { grid-template-columns: 1fr; }
  .hero-mark { display: none; }
  .cards, .proj-grid, .clients { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .group-block { grid-template-columns: 1fr; text-align: left; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
  .menu-btn { display: block; }
  .main-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 20px 16px; }
  .main-nav li { width: 100%; }
  .main-nav a { display: block; padding: 10px 0; }
  section { padding: 56px 0; }
}
@media (max-width: 520px) {
  .site-footer .cols { grid-template-columns: 1fr; }
  .logo small { display: none; }
}
.case > *, .hero .wrap > *, .contact-grid > *, .group-block > * { min-width: 0; }
body { overflow-x: hidden; }
.hero-map { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-map .pulse { transform-box: fill-box; transform-origin: center; animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { from { transform: scale(1); opacity: 1; } to { transform: scale(4); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .hero-map .pulse { animation: none; } }