:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-dark: #121820;
  --ink: #18202a;
  --muted: #66717e;
  --line: #dce2e8;
  --accent: #c6131b;
  --accent-dark: #970b12;
  --accent-soft: #fff0f1;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 20px 55px rgba(17, 25, 35, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font: 16px/1.65 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(198,19,27,.35); outline-offset: 3px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 1000; padding: 10px 14px; background: #fff; border-radius: 8px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.94); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(220,226,232,.85); }
.header-row { min-height: 82px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark { width: 54px; height: 54px; object-fit: contain; }
.brand-word { width: 150px; }
.brand-copy { display: block; color: var(--muted); font-size: 11px; line-height: 1.25; letter-spacing: .02em; margin-top: 3px; }
.site-nav { margin-left: auto; }
.nav-list { display: flex; gap: 5px; padding: 0; margin: 0; list-style: none; }
.nav-link { display: block; padding: 10px 13px; border-radius: 10px; font-weight: 650; font-size: 14px; }
.nav-link:hover, .nav-link.active { background: var(--accent-soft); color: var(--accent); }
.header-phone { white-space: nowrap; padding: 11px 15px; border: 1px solid var(--line); border-radius: 12px; font-weight: 750; }
.header-phone:hover { border-color: var(--accent); color: var(--accent); }
.menu-button { display: none; margin-left: auto; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; }
.menu-button span, .menu-button::before, .menu-button::after { content: ""; display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--ink); transition: .2s; }

.hero { position: relative; overflow: hidden; color: #fff; background: #111820; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14,20,27,.96) 0%, rgba(14,20,27,.80) 48%, rgba(14,20,27,.35) 100%); z-index: 1; }
.hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 42px 42px; z-index: 1; mask-image: linear-gradient(90deg, #000, transparent); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .72; }
.hero-inner { position: relative; z-index: 2; min-height: 540px; display: flex; align-items: center; padding: 80px 0; }
.hero.compact .hero-inner { min-height: 365px; padding: 62px 0; }
.hero-copy { max-width: 770px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 18px; color: #ffb6ba; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); }
h1 { margin: 0; max-width: 900px; font-size: clamp(38px, 5.7vw, 72px); line-height: 1.06; letter-spacing: -.045em; }
.hero.compact h1 { font-size: clamp(34px, 4.5vw, 58px); }
.hero-lead { max-width: 740px; margin: 24px 0 0; color: #dbe1e7; font-size: clamp(18px, 2vw, 23px); line-height: 1.5; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 12px 20px; border: 1px solid transparent; border-radius: 12px; background: var(--accent); color: #fff; font-weight: 800; transition: .2s; }
.button:hover { background: var(--accent-dark); transform: translateY(-1px); }
.button.secondary { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.25); }
.button.secondary:hover { background: rgba(255,255,255,.16); }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; margin-top: 44px; max-width: 650px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.18); border-radius: 16px; overflow: hidden; }
.stat { padding: 17px 20px; background: rgba(17,24,32,.74); }
.stat strong { display: block; font-size: 27px; line-height: 1.1; }
.stat span { color: #bfc7d0; font-size: 13px; }

.section { padding: 86px 0; }
.section.white { background: var(--surface); }
.section.dark { color: #fff; background: var(--surface-dark); }
.section-head { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 38px; }
.section-kicker { color: var(--accent); font-size: 13px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
h2 { margin: 8px 0 0; font-size: clamp(30px, 4vw, 48px); line-height: 1.12; letter-spacing: -.035em; }
h3 { margin: 0 0 12px; font-size: 22px; line-height: 1.25; }
.section-intro { max-width: 620px; color: var(--muted); font-size: 18px; }
.dark .section-intro { color: #aeb7c2; }
.split { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(320px,.95fr); gap: 58px; align-items: center; }
.prose { font-size: 17px; }
.prose p { margin: 0 0 20px; }
.prose strong { color: #111820; }
.prose ul, .prose ol { margin: 20px 0 24px; padding-left: 0; list-style: none; }
.prose li { position: relative; margin: 10px 0; padding-left: 27px; }
.prose ul > li::before { content: ""; position: absolute; left: 2px; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.prose ol { counter-reset: item; }
.prose ol > li { counter-increment: item; padding-left: 44px; }
.prose ol > li::before { content: counter(item); position: absolute; left: 0; top: 0; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 850; }
.prose ul ul { margin: 8px 0; }
.prose ul ul > li::before { width: 6px; height: 2px; border-radius: 0; top: .8em; background: #8f9aa6; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.media-card { position: relative; min-height: 420px; border-radius: 24px; overflow: hidden; background: #dfe5ea; box-shadow: var(--shadow); }
.media-card img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.media-card::after { content: ""; position: absolute; inset: auto 0 0; height: 40%; background: linear-gradient(transparent, rgba(12,17,23,.42)); }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { position: relative; min-height: 315px; display: flex; flex-direction: column; justify-content: end; overflow: hidden; border-radius: var(--radius); background: #202833; color: #fff; box-shadow: 0 12px 36px rgba(20,28,37,.12); transition: transform .25s, box-shadow .25s; }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 22px 55px rgba(20,28,37,.20); }
.service-card.wide { grid-column: span 2; }
.service-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .62; transition: transform .35s; }
.service-card:hover img { transform: scale(1.035); }
.service-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(9,13,18,.04), rgba(9,13,18,.92)); }
.service-card-content { position: relative; z-index: 1; padding: 26px; }
.service-number { display: block; margin-bottom: 12px; color: #ffb6ba; font-size: 12px; font-weight: 850; letter-spacing: .12em; }
.service-card h3 { max-width: 500px; margin: 0; font-size: 23px; }
.service-card p { margin: 10px 0 0; color: #cbd2da; font-size: 14px; }
.arrow-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 18px; color: #fff; font-size: 14px; font-weight: 800; }
.arrow-link::after { content: "→"; color: #ff8086; font-size: 20px; transition: transform .2s; }
.service-card:hover .arrow-link::after { transform: translateX(4px); }

.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; padding: 0; margin: 0; list-style: none; }
.feature-list li { min-height: 110px; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.feature-list strong { display: block; margin-bottom: 5px; }

.project-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; padding: 0; list-style: none; }
.project-list li { padding: 15px 18px; border: 1px solid var(--line); border-radius: 12px; background: #fff; font-weight: 650; }
.logo-list { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.logo-list li { padding: 12px 16px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-weight: 700; }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 56px; align-items: start; }
.article { max-width: 820px; }
.article h2 { margin: 48px 0 18px; font-size: 31px; }
.article h3 { margin-top: 34px; }
.article > p:first-child { font-size: 21px; color: #404b57; }
.article-image { width: 100%; margin: 34px 0; border-radius: 18px; box-shadow: 0 14px 38px rgba(16,24,32,.12); }
.article-image.float { width: min(390px, 48%); float: right; margin: 8px 0 24px 30px; }
.sidebar { position: sticky; top: 110px; padding: 24px; border-radius: 18px; background: #fff; box-shadow: 0 12px 40px rgba(20,28,37,.08); }
.sidebar-title { margin-bottom: 14px; font-size: 13px; color: var(--muted); font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.sidebar nav a { display: block; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; font-weight: 700; }
.sidebar nav a:last-child { border: 0; }
.sidebar nav a:hover, .sidebar nav a.active { color: var(--accent); }
.sidebar-cta { margin-top: 20px; padding: 18px; border-radius: 14px; background: var(--accent-soft); }
.sidebar-cta strong { display: block; margin-bottom: 8px; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; }
.contact-card, .map-card { border-radius: 20px; background: #fff; box-shadow: 0 12px 42px rgba(20,28,37,.08); overflow: hidden; }
.contact-card { padding: 34px; }
.contact-row { padding: 19px 0; border-bottom: 1px solid var(--line); }
.contact-row:last-child { border: 0; }
.contact-label { display: block; color: var(--muted); font-size: 12px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.contact-value { display: block; margin-top: 6px; font-size: 18px; font-weight: 750; }
.map-card { min-height: 500px; }
.map-card iframe { width: 100%; height: 100%; min-height: 500px; border: 0; }
.map-fallback { display: grid; place-items: center; min-height: 500px; padding: 30px; text-align: center; background: linear-gradient(135deg,#eef1f4,#fff); }

.cta { position: relative; overflow: hidden; padding: 56px; border-radius: 24px; color: #fff; background: var(--accent); }
.cta::after { content: ""; position: absolute; right: -90px; top: -100px; width: 330px; height: 330px; border: 65px solid rgba(255,255,255,.09); border-radius: 50%; }
.cta-row { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.cta h2 { max-width: 690px; margin: 0; font-size: clamp(30px, 4vw, 48px); }
.cta .button { background: #fff; color: var(--accent); white-space: nowrap; }

.site-footer { color: #c3cbd4; background: #0d1218; }
.footer-main { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 45px; padding: 65px 0 45px; }
.footer-brand .brand-word { filter: brightness(0) invert(1); opacity: .9; }
.footer-brand p { max-width: 310px; color: #8f9aa6; font-size: 14px; }
.footer-title { margin-bottom: 16px; color: #fff; font-size: 13px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.footer-list { padding: 0; margin: 0; list-style: none; }
.footer-list li { margin: 9px 0; }
.footer-list a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 22px 0; border-top: 1px solid #252c34; color: #7f8995; font-size: 13px; }
.not-found { min-height: 70vh; display: grid; place-items: center; padding: 70px 0; text-align: center; }
.not-found strong { display: block; color: var(--accent); font-size: 100px; line-height: 1; }

@media (max-width: 980px) {
  .header-phone { display: none; }
  .menu-button { display: block; }
  .site-nav { position: absolute; left: 20px; right: 20px; top: 75px; display: none; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
  .site-nav.open { display: block; }
  .nav-list { display: block; }
  .nav-link { padding: 13px; }
  .hero-inner { min-height: 510px; }
  .split, .article-layout, .contact-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2,1fr); }
  .service-card.wide { grid-column: span 1; }
  .sidebar { position: static; order: -1; }
  .sidebar nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 16px; }
  .footer-main { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 680px) {
  .container { width: min(100% - 28px, var(--max)); }
  .header-row { min-height: 72px; }
  .brand { min-width: 0; gap: 8px; }
  .brand-mark { width: 42px; height: 42px; }
  .brand-word { width: 126px; }
  .brand-copy { display: none; }
  .hero::before { background: linear-gradient(90deg, rgba(14,20,27,.94), rgba(14,20,27,.72)); }
  .hero-inner { min-height: 520px; padding: 60px 0; }
  .hero.compact .hero-inner { min-height: 330px; }
  .hero-lead { font-size: 18px; }
  .stats { grid-template-columns: 1fr; }
  .stat { display: flex; align-items: center; gap: 12px; }
  .stat strong { min-width: 70px; }
  .section { padding: 62px 0; }
  .section-head { display: block; }
  .service-grid, .feature-list, .project-list { grid-template-columns: 1fr; }
  .service-card { min-height: 285px; }
  .article-image.float { width: 100%; float: none; margin: 26px 0; }
  .sidebar nav { grid-template-columns: 1fr; }
  .cta { padding: 35px 25px; }
  .cta-row { display: block; }
  .cta .button { margin-top: 24px; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; padding-top: 48px; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-top: 7px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }