:root {
  --ink: #081b35;
  --ink-soft: #15304e;
  --mint: #00b89c;
  --mint-bright: #15d6b5;
  --paper: #f2f3ef;
  --white: #ffffff;
  --muted: #6f7a84;
  --line: rgba(8, 27, 53, 0.16);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  width: min(1400px, calc(100% - 64px));
  height: 108px;
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.26);
  color: var(--white);
}
.brand { width: 170px; height: 78px; overflow: hidden; display: flex; align-items: center; }
.brand img { width: 170px; height: 128px; object-fit: contain; filter: brightness(0) invert(1); }
.site-header nav { display: flex; gap: 28px; font-size: 14px; font-weight: 600; }
.site-header nav a { position: relative; padding: 10px 0; }
.site-header nav a::after { content: ""; position: absolute; left: 0; bottom: 3px; width: 0; height: 1px; background: var(--mint-bright); transition: width .25s ease; }
.site-header nav a:hover::after { width: 100%; }
.header-phone { justify-self: end; display: flex; align-items: flex-end; flex-direction: column; gap: 4px; }
.header-phone span { color: rgba(255,255,255,.65); font-size: 10px; text-transform: uppercase; letter-spacing: .16em; }
.header-phone b { font-size: 16px; }

.hero { position: relative; min-height: 820px; height: 100svh; color: var(--white); overflow: hidden; }
.hero-media, .hero-shade { position: absolute; inset: 0; }
.hero-media img, .team-image img, .project-card img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media img { object-fit: cover; object-position: center 42%; transform: scale(1.015); }
.hero-shade { background: linear-gradient(90deg, rgba(3,16,33,.93) 0%, rgba(3,18,36,.73) 43%, rgba(3,16,33,.18) 75%), linear-gradient(0deg, rgba(3,16,33,.72) 0%, transparent 48%); }
.hero-content { position: absolute; z-index: 2; left: max(32px, calc((100% - 1400px) / 2)); top: 50%; transform: translateY(-45%); width: min(920px, calc(100% - 64px)); }
.eyebrow, .kicker { display: flex; align-items: center; gap: 12px; margin: 0 0 28px; color: var(--mint-bright); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { width: 34px; height: 2px; background: currentColor; }
.hero h1, .section-heading h2, .approach h2, .team-content h2, .contact-section h2 {
  margin: 0;
  font-family: "Arial Narrow", "Segoe UI", Arial, sans-serif;
  font-size: clamp(56px, 6.6vw, 108px);
  line-height: .93;
  letter-spacing: -.055em;
  font-weight: 730;
}
.hero h1 em, .projects-intro h2 em { color: var(--mint-bright); font-style: normal; font-weight: 400; }
.hero-copy { max-width: 660px; margin: 32px 0 0; color: rgba(255,255,255,.78); font-size: 20px; line-height: 1.5; }
.hero-actions { display: flex; gap: 12px; margin-top: 42px; }
.button { min-height: 58px; display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; padding: 0 24px; border: 1px solid transparent; font-size: 14px; font-weight: 750; transition: transform .25s ease, background .25s ease, color .25s ease; }
.button:hover { transform: translateY(-3px); }
.button span { font-size: 20px; }
.button-primary { background: var(--mint); color: #032d2d; }
.button-primary:hover { background: var(--mint-bright); }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.45); backdrop-filter: blur(8px); }
.button-ghost:hover { background: rgba(255,255,255,.12); }
.hero-facts { position: absolute; z-index: 2; right: max(32px, calc((100% - 1400px) / 2)); bottom: 44px; display: flex; gap: 46px; }
.hero-facts div { display: flex; flex-direction: column; gap: 5px; }
.hero-facts strong { font-size: 28px; letter-spacing: -.04em; }
.hero-facts span { color: rgba(255,255,255,.58); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.scroll-cue { position: absolute; z-index: 2; left: 50%; bottom: 46px; display: flex; gap: 12px; align-items: center; color: rgba(255,255,255,.55); font-size: 9px; letter-spacing: .2em; transform: translateX(-50%); writing-mode: horizontal-tb; }
.scroll-cue span { color: var(--mint-bright); font-size: 15px; }

.section { width: min(1400px, calc(100% - 64px)); margin: 0 auto; }
.services { padding: 128px 0 150px; }
.section-heading { display: grid; grid-template-columns: 1fr 2fr 1fr; align-items: end; gap: 40px; margin-bottom: 70px; }
.section-heading .kicker { align-self: start; }
.section-heading h2, .approach h2, .team-content h2, .contact-section h2 { font-size: clamp(44px, 5vw, 76px); line-height: 1; }
.section-heading > p:last-child { max-width: 370px; margin: 0; color: var(--muted); line-height: 1.65; font-size: 16px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { position: relative; min-height: 300px; padding: 30px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .3s ease, color .3s ease, transform .3s ease; }
.service-card:hover { z-index: 2; background: var(--ink); color: var(--white); transform: translateY(-5px); }
.service-number { color: var(--mint); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.service-card h3 { margin: 0 0 14px; font-size: 24px; letter-spacing: -.03em; }
.service-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.service-card:hover p { color: rgba(255,255,255,.62); }
.card-arrow { position: absolute; top: 25px; right: 28px; font-size: 22px; opacity: .4; }
.service-card:hover .card-arrow { color: var(--mint-bright); opacity: 1; }

.projects-section { padding: 132px 0 150px; background: var(--ink); color: var(--white); }
.projects-intro { display: grid; grid-template-columns: 2fr 1fr; gap: 80px; align-items: end; }
.projects-intro .section-heading { display: block; margin-bottom: 66px; }
.projects-lead { max-width: 440px; margin: 0 0 66px; color: rgba(255,255,255,.6); font-size: 16px; line-height: 1.7; }
.project-grid { width: min(1500px, calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: 1.1fr .9fr .8fr; grid-auto-rows: 260px; gap: 12px; }
.project-card { position: relative; margin: 0; overflow: hidden; background: #102b48; }
.project-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(3,14,27,.78), transparent 55%); }
.project-card img { object-fit: cover; transition: transform .7s cubic-bezier(.2,.8,.2,1), filter .7s ease; }
.project-card:hover img { transform: scale(1.04); filter: saturate(1.1); }
.project-card figcaption { position: absolute; z-index: 2; left: 26px; bottom: 24px; }
.project-card figcaption span { color: var(--mint-bright); font-size: 10px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.project-card h3 { margin: 8px 0 0; font-size: 22px; letter-spacing: -.025em; }
.project-tall { grid-row: span 2; }
.project-wide { grid-column: span 2; }

.results-section { padding: 132px 0 150px; background: #e9ece7; }
.results-heading { display: grid; grid-template-columns: 2fr 1fr; gap: 80px; align-items: end; margin-bottom: 58px; }
.results-heading h2 { margin: 0; font-family: "Arial Narrow", "Segoe UI", Arial, sans-serif; font-size: clamp(48px, 6vw, 90px); line-height: .95; letter-spacing: -.055em; }
.results-heading > p { max-width: 460px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.7; }
.results-grid { width: min(1500px, calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 230px; grid-auto-flow: dense; gap: 10px; }
.result-card { position: relative; min-width: 0; padding: 0; overflow: hidden; border: 0; background: #cfd5d0; color: var(--white); cursor: zoom-in; }
.result-card-1 { grid-column: span 2; grid-row: span 2; }
.result-card-2 { grid-row: span 2; }
.result-card-4 { grid-column: span 2; }
.result-card-6 { grid-row: span 2; }
.result-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.8,.2,1), filter .6s ease; }
.result-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(3,16,33,.52), transparent 40%); opacity: .75; transition: opacity .3s ease; }
.result-card:hover img { transform: scale(1.035); filter: saturate(1.08); }
.result-card:hover::after { opacity: 1; }
.result-card > span { position: absolute; z-index: 2; left: 18px; bottom: 16px; font-size: 10px; font-weight: 800; letter-spacing: .15em; }
.result-card > span::before { content: "ОБЪЕКТ / "; color: var(--mint-bright); }
.lightbox { position: fixed; z-index: 100; inset: 0; display: grid; grid-template-columns: 70px minmax(0, 1fr) 70px; align-items: center; padding: 28px; background: rgba(2,12,25,.96); backdrop-filter: blur(18px); }
.lightbox-image { position: relative; width: min(1200px, 100%); height: min(84vh, 900px); margin: 0 auto; }
.lightbox-image img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.lightbox-image > span { position: absolute; right: 0; bottom: -20px; color: rgba(255,255,255,.62); font-size: 11px; letter-spacing: .12em; }
.lightbox-close, .lightbox-nav { position: relative; z-index: 2; border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.06); color: var(--white); cursor: pointer; transition: background .2s, border-color .2s; }
.lightbox-close:hover, .lightbox-nav:hover { background: var(--mint); border-color: var(--mint); color: var(--ink); }
.lightbox-close { position: absolute; top: 24px; right: 24px; width: 46px; height: 46px; font-size: 28px; }
.lightbox-nav { width: 52px; height: 52px; font-size: 22px; }
.lightbox-next { justify-self: end; }

.approach { padding: 140px 0; display: grid; grid-template-columns: 1fr 1.15fr; gap: 120px; }
.approach-copy > p:not(.kicker) { max-width: 570px; margin: 34px 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.text-link { display: inline-flex; align-items: center; gap: 30px; padding-bottom: 8px; border-bottom: 1px solid var(--ink); font-size: 14px; font-weight: 800; }
.text-link span { color: var(--mint); font-size: 20px; }
.steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 70px 1fr; gap: 18px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.steps li > span { color: var(--mint); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.steps h3 { margin: 0 0 8px; font-size: 21px; }
.steps p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

.team-section { display: grid; grid-template-columns: 1fr 1fr; min-height: 720px; background: #dce1db; }
.team-image { position: relative; min-height: 660px; overflow: hidden; }
.team-image img { object-fit: cover; object-position: center; }
.team-content { display: flex; flex-direction: column; justify-content: center; padding: 90px max(50px, calc((100vw - 1400px) / 2)); padding-left: clamp(50px, 7vw, 120px); }
.team-content > p:not(.kicker) { max-width: 570px; margin: 34px 0 50px; color: #58666e; line-height: 1.75; font-size: 17px; }
.team-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; padding-top: 28px; border-top: 1px solid rgba(8,27,53,.2); }
.team-metrics div { display: flex; flex-direction: column; gap: 8px; }
.team-metrics strong { font-size: 30px; letter-spacing: -.04em; }
.team-metrics span { color: #65727b; font-size: 12px; line-height: 1.4; }

.objects-section { padding: 118px 0; background: var(--white); }
.objects-inner { display: grid; grid-template-columns: .65fr 2.35fr; gap: 50px; }
.object-list { display: flex; flex-wrap: wrap; gap: 12px; }
.object-list span { padding: 17px 22px; border: 1px solid var(--line); border-radius: 50px; font-size: 15px; transition: border-color .2s, background .2s; }
.object-list span:hover { background: var(--mint); border-color: var(--mint); }
.objects-note { grid-column: 2; max-width: 650px; margin: 34px 0 0; color: var(--muted); line-height: 1.6; font-size: 14px; }

.contact-section { position: relative; overflow: hidden; padding: 130px 32px; text-align: center; background: var(--ink); color: var(--white); }
.contact-glow { position: absolute; width: 550px; height: 550px; left: 50%; top: 70%; border: 1px solid rgba(21,214,181,.34); border-radius: 50%; transform: translate(-50%,-50%); box-shadow: 0 0 180px rgba(0,184,156,.12), inset 0 0 120px rgba(0,184,156,.08); }
.contact-section > *:not(.contact-glow) { position: relative; z-index: 1; }
.contact-section .kicker { justify-content: center; }
.contact-section h2 { font-size: clamp(52px, 6.6vw, 96px); }
.contact-section > p:not(.kicker) { max-width: 530px; margin: 28px auto 0; color: rgba(255,255,255,.62); line-height: 1.6; }
.contact-actions { margin-top: 42px; display: flex; justify-content: center; align-items: center; gap: 30px; }
.contact-email { padding-bottom: 5px; border-bottom: 1px solid rgba(255,255,255,.4); font-size: 14px; }

footer { width: min(1400px, calc(100% - 64px)); margin: 0 auto; padding: 54px 0 34px; display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); gap: 40px; align-items: start; background: var(--paper); }
.footer-brand { height: 70px; overflow: hidden; display: flex; align-items: center; }
.footer-brand img { height: 125px; width: 170px; object-fit: contain; }
footer > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 9px; }
footer span { color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
footer a, footer p { margin: 0; font-size: 13px; font-weight: 600; }
.copyright { grid-column: 1 / -1; padding-top: 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; font-weight: 500; }

@media (max-width: 1100px) {
  .site-header { width: calc(100% - 40px); }
  .site-header nav { gap: 20px; }
  .hero-facts { gap: 24px; }
  .section-heading { grid-template-columns: 1fr 2fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: 1fr 1fr; }
  .project-wide { grid-column: span 1; }
  .results-grid { grid-template-columns: repeat(3, 1fr); }
  .approach { gap: 70px; }
}

@media (max-width: 800px) {
  .site-header { height: 84px; width: calc(100% - 32px); grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .brand { width: 112px; }
  .brand img { width: 132px; height: 110px; }
  .header-phone span { display: none; }
  .header-phone b { font-size: 13px; }
  .hero { min-height: 760px; }
  .hero-shade { background: linear-gradient(90deg, rgba(3,16,33,.88), rgba(3,16,33,.34)), linear-gradient(0deg, rgba(3,16,33,.78), transparent 65%); }
  .hero-content { left: 20px; width: calc(100% - 40px); top: 44%; }
  .hero h1 { font-size: clamp(48px, 15vw, 72px); }
  .hero-copy { font-size: 16px; max-width: 500px; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 340px; }
  .hero-facts { left: 20px; right: 20px; bottom: 30px; justify-content: space-between; gap: 12px; }
  .hero-facts strong { font-size: 22px; }
  .hero-facts span { font-size: 8px; }
  .scroll-cue { display: none; }
  .section { width: calc(100% - 40px); }
  .services { padding: 92px 0; }
  .section-heading { display: block; margin-bottom: 44px; }
  .section-heading h2, .approach h2, .team-content h2 { font-size: 44px; }
  .section-heading > p:last-child { margin-top: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 250px; }
  .projects-section { padding: 92px 0; }
  .projects-intro { display: block; }
  .projects-lead { margin-bottom: 40px; }
  .project-grid { width: calc(100% - 24px); grid-template-columns: 1fr; grid-auto-rows: 380px; }
  .project-tall { grid-row: span 1; }
  .results-section { padding: 92px 0; }
  .results-heading { width: calc(100% - 40px); display: block; margin-bottom: 38px; }
  .results-heading > p { margin-top: 22px; }
  .results-grid { width: calc(100% - 20px); grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; gap: 6px; }
  .result-card-1, .result-card-4 { grid-column: span 2; }
  .result-card-1 { grid-row: span 2; }
  .result-card-2, .result-card-6 { grid-row: span 2; }
  .lightbox { grid-template-columns: 46px minmax(0, 1fr) 46px; padding: 14px; }
  .lightbox-nav { width: 40px; height: 46px; }
  .lightbox-close { top: 12px; right: 12px; }
  .approach { padding: 92px 0; grid-template-columns: 1fr; gap: 70px; }
  .team-section { grid-template-columns: 1fr; }
  .team-image { min-height: 520px; }
  .team-content { padding: 80px 20px; }
  .objects-section { padding: 86px 0; }
  .objects-inner { display: block; }
  .object-list { margin-top: 30px; }
  .objects-note { margin-top: 30px; }
  .contact-section { padding: 100px 20px; }
  .contact-actions { flex-direction: column; }
  footer { width: calc(100% - 40px); grid-template-columns: 1fr 1fr; }
  .footer-brand, .copyright { grid-column: 1 / -1; }
}

@media (max-width: 460px) {
  .hero h1 { font-size: 47px; }
  .hero-facts div:nth-child(3) { display: none; }
  .button { min-height: 54px; }
  .service-card { padding: 24px; }
  .project-grid { grid-auto-rows: 310px; }
  .results-grid { grid-auto-rows: 150px; }
  .result-card > span { left: 12px; bottom: 12px; font-size: 8px; }
  .lightbox { grid-template-columns: 1fr; }
  .lightbox-nav { position: absolute; bottom: 24px; }
  .lightbox-prev { left: 24px; }
  .lightbox-next { right: 24px; }
  .team-image { min-height: 430px; }
  .team-metrics { grid-template-columns: 1fr; }
  .object-list span { width: 100%; border-radius: 3px; }
  .contact-section h2 { font-size: 46px; }
  footer { grid-template-columns: 1fr; }
  footer > * { grid-column: 1 !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}