/* ============ Модулен — design system ============ */
:root{
  --accent:#ef7723; --accent-dark:#d8631a;
  --ink:#212121; --body:#555; --muted:#888;
  --line:#e6e6e6; --soft:#f7f7f7; --black:#161616;
  --white:#fff;
  --maxw:1240px; --gap:24px; --radius:14px;
  --shadow:0 10px 40px rgba(0,0,0,.10);
  --shadow-sm:0 4px 18px rgba(0,0,0,.08);
  --ff:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --t:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ff);font-size:16px;line-height:1.6;color:var(--body);background:#fff;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.1;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.75rem);font-weight:900}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem)}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.narrow{max-width:860px}
.eyebrow{display:inline-block;color:var(--accent);font-weight:700;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;z-index:1000}
.skip-link:focus{left:0}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
.section.soft,.soft{background:var(--soft)}
.section-head{max-width:760px;margin:0 0 40px}
.section-head h2{margin-bottom:.3em}
.section-head p{color:var(--muted);font-size:1.05rem}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.95rem;
  padding:13px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:var(--t);text-align:center}
.btn-lg{padding:16px 34px;font-size:1rem}
.btn-sm{padding:8px 18px;font-size:.85rem}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:#000}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline:hover{background:#fff;color:var(--ink);border-color:#fff}
.on-dark .btn-dark{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 1px 0 var(--line)}
.topbar{background:var(--black);color:#cfcfcf;font-size:.82rem}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:40px}
.topbar-note{opacity:.8}
.topbar-links{display:flex;align-items:center;gap:18px}
.topbar-links a{color:#cfcfcf}
.topbar-links a:hover{color:#fff}
.topbar-links .btn-accent{color:#fff}
.header-main{background:#fff}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo img{display:block}
.main-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-item>a{display:flex;align-items:center;gap:5px;padding:10px 14px;font-weight:600;font-size:.95rem;color:var(--ink);border-radius:8px;transition:var(--t)}
.nav-item>a:hover{color:var(--accent)}
.caret{transition:var(--t)}
.nav-item.has-sub{position:relative}
.submenu{position:absolute;top:100%;left:0;min-width:280px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:var(--t);z-index:120}
.nav-item.has-sub:hover .submenu,.nav-item.has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-item.has-sub:hover .caret{transform:rotate(180deg)}
.submenu ul{display:flex;flex-direction:column}
.submenu a{display:block;padding:10px 14px;border-radius:8px;font-size:.92rem;color:var(--body);transition:var(--t)}
.submenu a:hover{background:var(--soft);color:var(--accent)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:26px;height:2px;background:var(--ink);transition:var(--t)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:clamp(440px,72vh,720px);display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:1}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,.55) 100%)}
.hero-content{position:relative;z-index:3;padding-bottom:64px;padding-top:80px;max-width:760px}
.hero h1{color:#fff;margin-bottom:.4em}
.hero-lead{font-size:clamp(1.05rem,2vw,1.35rem);color:rgba(255,255,255,.92);margin-bottom:1.6em;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero .eyebrow{color:#ffd9bd}

/* ---------- usp banner ---------- */
.usp-banner{background:var(--ink);color:#fff}
.usp-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:26px 20px}
.usp-item{display:flex;gap:12px;align-items:flex-start}
.usp-ico{color:var(--accent);font-size:1.3rem;font-weight:800;line-height:1}
.usp-item strong{display:block;color:#fff;font-size:.98rem}
.usp-item span{color:#b9b9b9;font-size:.86rem}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{background:var(--soft);font-size:.84rem}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;padding:12px 0;color:var(--muted)}
.breadcrumbs li::after{content:'/';margin-left:8px;color:var(--line)}
.breadcrumbs li:last-child::after{content:''}
.breadcrumbs a:hover{color:var(--accent)}

/* ---------- text + image ---------- */
.text-image .ti-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.text-image.reverse .ti-media{order:-1}
.ti-media img{border-radius:var(--radius);box-shadow:var(--shadow-sm);width:100%}
.ticks{display:flex;flex-direction:column;gap:10px;margin:0 0 1.5em}
.ticks li{position:relative;padding-left:30px;color:var(--body)}
.ticks li::before{content:'';position:absolute;left:0;top:7px;width:16px;height:9px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.ticks.light li{color:rgba(255,255,255,.9)}

/* ---------- cards ---------- */
.cards-grid{display:grid;gap:var(--gap)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--t);display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card-media{aspect-ratio:3/2;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:22px}
.card-body h3{margin-bottom:.4em}
.card-body p{font-size:.92rem;color:var(--muted);margin-bottom:1em}
.card-link{color:var(--accent);font-weight:700;font-size:.9rem}

/* ---------- stats ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-num{display:block;font-size:clamp(2.2rem,5vw,3.4rem);font-weight:900;color:var(--accent);line-height:1}
.stat-label{color:var(--muted);font-size:.95rem;margin-top:6px;display:block}
.on-dark .stat-label{color:#b9b9b9}

/* ---------- dark sections ---------- */
.on-dark{background:var(--black);color:#cfcfcf}
.on-dark h1,.on-dark h2,.on-dark h3{color:#fff}
.on-dark .eyebrow{color:var(--accent)}
.statement h2{font-size:clamp(1.8rem,4vw,2.9rem);max-width:14ch}
.statement p{color:#bdbdbd;font-size:1.08rem}

/* ---------- features ---------- */
.features-grid{display:grid;gap:32px}
.feature-ico{display:inline-flex;width:52px;height:52px;align-items:center;justify-content:center;border-radius:12px;
  background:rgba(239,119,35,.12);color:var(--accent);font-size:1.4rem;margin-bottom:16px}
.feature h3{margin-bottom:.4em}
.feature p{font-size:.95rem;color:var(--muted)}

/* ---------- specs table ---------- */
.spec-table{width:100%;border-collapse:collapse}
.spec-table th,.spec-table td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);font-size:.95rem}
.spec-table th{width:46%;color:var(--ink);font-weight:600;background:var(--soft)}

/* ---------- gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-grid figure{margin:0;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery-grid figure:hover img{transform:scale(1.05)}

/* ---------- logos ---------- */
.logos-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.logo-chip{padding:12px 22px;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-weight:600;font-size:.95rem}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:600;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';color:var(--accent);font-size:1.5rem;transition:var(--t)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 22px 20px;color:var(--muted)}

/* ---------- rich text ---------- */
.rich h2{margin-top:1.2em}.rich h3{margin-top:1.4em}
.rich p,.rich li{color:var(--body)}
.rich ul{list-style:disc;padding-left:1.3em;margin:0 0 1em}
.rich li{margin-bottom:.4em}

/* ---------- cta form ---------- */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta-text p{color:#bdbdbd;font-size:1.05rem}
.lead-form{display:flex;flex-direction:column;gap:12px;background:#fff;padding:30px;border-radius:var(--radius)}
.lead-form input,.lead-form textarea{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.95rem;color:var(--ink)}
.lead-form input:focus,.lead-form textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.lead-form .hp{display:none}
.consent{display:flex;align-items:flex-start;gap:8px;font-size:.8rem;color:var(--muted)}
.consent a{color:var(--accent)}
.consent input{width:auto}
.form-note{font-size:.75rem;color:var(--muted);margin:0;text-align:center}
.form-ok{color:#1a7f37;font-weight:600}

/* ---------- footer ---------- */
.site-footer{background:var(--black);color:#b9b9b9;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:36px;padding:64px 20px 48px}
.footer-tagline{margin:16px 0;max-width:34ch;color:#9a9a9a;font-size:.88rem}
.footer-contact a{color:#fff}
.footer-col h3{color:#fff;font-size:.92rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px}
.footer-col li{margin-bottom:9px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid #2a2a2a}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:16px;padding:20px 0;font-size:.82rem;color:#8a8a8a}
.footer-legal a:hover{color:var(--accent)}

/* ---------- to-top ---------- */
.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:none;background:var(--accent);color:#fff;
  font-size:1.2rem;cursor:pointer;opacity:0;pointer-events:none;transition:var(--t);z-index:90;box-shadow:var(--shadow-sm)}
.to-top.show{opacity:1;pointer-events:auto}

/* ---------- modal ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:1000;padding:20px}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:var(--radius);max-width:460px;width:100%;padding:32px;position:relative}
.modal h3{margin-bottom:.3em}
.modal .lead-form{background:transparent;padding:0}
.modal-close{position:absolute;top:14px;right:16px;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--muted)}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ============ responsive ============ */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .usp-inner{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .main-nav{position:fixed;inset:74px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .35s ease;margin:0;box-shadow:var(--shadow)}
  .main-nav.open{max-height:80vh;overflow:auto}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:8px 0}
  .nav-item>a{padding:14px 22px;justify-content:space-between}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;
    border-radius:0;padding:0 0 8px 22px;display:none}
  .nav-item.has-sub.open .submenu{display:block}
  .burger{display:flex}
  .text-image .ti-grid,.cta-grid{grid-template-columns:1fr;gap:32px}
  .text-image.reverse .ti-media{order:0}
  .cols-3,.cols-4{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .topbar-note{display:none}
}
@media(max-width:560px){
  .cols-2,.cols-3,.cols-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .usp-inner{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .footer-bottom-inner{flex-direction:column;gap:6px}
  .hero-content{padding-bottom:44px}
}