/* ===== Фирменные токены: сталь + терракота ===== */
:root{
  --brand:#1f2933;        /* графит-сталь */
  --brand-2:#3c4a58;      /* сталь светлее */
  --accent:#c15a2b;       /* терракота/охра */
  --accent-2:#e08a3c;     /* тёплая охра */
  --bg:#f6f2ec;           /* тёплый крем */
  --surface:#fffdfa;
  --surface-2:#efe8de;
  --text:#20262d;
  --muted:#6c7480;
  --border:#ddd4c8;
  --ink:#161b21;
  --grad:linear-gradient(135deg,#c15a2b,#e08a3c);
  --radius-1:3px; --radius-2:5px; --radius-3:6px;
  --container:1180px;
  --font-sans:"Segoe UI",system-ui,-apple-system,"Nunito",Roboto,"Helvetica Neue",Arial,sans-serif;
  --shadow-1:0 1px 0 rgba(31,41,51,.04);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-sans);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.028'/%3E%3C/svg%3E");
}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--ink);line-height:1.12;margin:0;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--brand);color:#fff;padding:10px 16px;z-index:200}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;background:var(--grad);color:#fff;font-weight:700;font-size:16px;
  border:0;border-radius:var(--radius-2);cursor:pointer;transition:transform .16s var(--ease-out,ease),box-shadow .16s;
  box-shadow:0 6px 18px rgba(193,90,43,.28);letter-spacing:.01em;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(193,90,43,.35)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--border);box-shadow:none}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-lg{padding:17px 34px;font-size:17px}
.btn-cta{padding:11px 22px;font-size:15px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.hdr-inner{display:flex;align-items:center;gap:28px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink)}
.brand-mark{width:34px;height:34px;color:var(--accent);flex:0 0 auto}
.brand-mark svg{width:100%;height:100%}
.brand-text{display:flex;flex-direction:column;font-weight:900;font-size:20px;line-height:1;letter-spacing:.02em}
.brand-text em{font-style:normal;font-weight:600;font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.main-nav{display:flex;gap:4px;margin-left:auto}
.main-nav a{padding:9px 15px;font-weight:600;font-size:15px;color:var(--brand-2);border-radius:var(--radius-1);transition:color .15s,background .15s}
.main-nav a:hover{color:var(--accent)}
.main-nav a.active{color:var(--ink);background:var(--surface-2)}
.hdr-actions{display:flex;align-items:center;gap:16px}
.hdr-phone{font-weight:800;font-size:16px;color:var(--ink);white-space:nowrap}
.hdr-phone:hover{color:var(--accent)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.burger span{width:24px;height:2px;background:var(--ink);transition:.25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Sections ===== */
.section{padding:clamp(56px,8vw,104px) 0}
.section-alt{background:var(--brand);color:#e7ebef}
.section-alt h2,.section-alt h3{color:#fff}
.section-cream{background:var(--surface-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent)}
.sec-head{max-width:720px;margin-bottom:clamp(32px,5vw,52px)}
.sec-head h2{font-size:clamp(1.8rem,3.6vw,2.7rem)}
.sec-head p{color:var(--muted);margin-top:14px;font-size:1.05rem}
.section-alt .sec-head p{color:#b9c2cc}
.section-alt .eyebrow{color:var(--accent-2)}
.section-alt .eyebrow::before{background:var(--accent-2)}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:clamp(64px,9vw,120px) 0 clamp(56px,8vw,96px);text-align:center;
  background:radial-gradient(60% 80% at 50% -10%,#fff 0,var(--bg) 70%)}
.hero .eyebrow{justify-content:center}
.hero .eyebrow::after{content:"";width:26px;height:2px;background:var(--accent)}
.hero h1{font-size:clamp(2.3rem,5.6vw,4.1rem);letter-spacing:-.02em;max-width:14ch;margin:0 auto}
.hero-line{width:64px;height:3px;background:var(--grad);margin:26px auto}
.hero-sub{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--muted);max-width:56ch;margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-visual{margin-top:clamp(40px,6vw,64px);position:relative}
.hero-visual img{width:100%;height:clamp(280px,42vw,480px);object-fit:cover;border-radius:var(--radius-3);border:1px solid var(--border)}
.hero-badges{display:flex;gap:0;justify-content:center;flex-wrap:wrap;margin-top:38px;border:1px solid var(--border);border-radius:var(--radius-3);overflow:hidden;background:var(--surface)}
.hero-badge{flex:1 1 200px;padding:22px 18px;border-right:1px solid var(--border);text-align:center}
.hero-badge:last-child{border-right:0}
.hero-badge b{display:block;font-size:1.6rem;color:var(--ink)}
.hero-badge span{font-size:.86rem;color:var(--muted)}

/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-3);overflow:hidden}
.stat{background:var(--surface);padding:32px 24px;text-align:center}
.section-alt .stats{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.12)}
.section-alt .stat{background:transparent}
.stat b{display:block;font-size:clamp(2rem,4vw,3rem);color:var(--accent-2);font-weight:900;letter-spacing:-.02em}
.stat span{color:inherit;opacity:.82;font-size:.94rem;margin-top:6px;display:block}

/* ===== About split ===== */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,64px);align-items:center}
.split-img img{width:100%;height:100%;min-height:320px;object-fit:cover;border-radius:var(--radius-3);border:1px solid var(--border)}
.split-text h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.split-text p{color:var(--muted);margin-top:16px}
.check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text)}
.check-list svg{flex:0 0 auto;width:22px;height:22px;color:var(--accent);margin-top:2px}

/* ===== Services tiles ===== */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-3);padding:30px 28px;transition:transform .18s,border-color .18s;display:flex;flex-direction:column}
.tile:hover{transform:translateY(-4px);border-color:var(--accent)}
.tile-ico{width:52px;height:52px;border-radius:var(--radius-2);background:var(--surface-2);color:var(--accent);display:grid;place-items:center;margin-bottom:20px}
.tile-ico svg{width:26px;height:26px}
.tile h3{font-size:1.24rem;margin-bottom:10px}
.tile p{color:var(--muted);font-size:.96rem;margin-bottom:16px}
.tile-meta{margin-top:auto;font-size:.84rem;color:var(--brand-2);border-top:1px solid var(--border);padding-top:14px}
.tile-meta b{color:var(--ink)}
.tile-link{color:var(--accent);font-weight:700;font-size:.92rem;margin-top:14px;display:inline-flex;gap:6px;align-items:center}
.tile-link svg{width:15px;height:15px;transition:transform .15s}
.tile:hover .tile-link svg{transform:translateX(4px)}

/* ===== Features ===== */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature{padding:26px 22px;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-3)}
.feature .fno{font-size:.8rem;font-weight:800;letter-spacing:.1em;color:var(--accent-2)}
.feature h4{font-size:1.12rem;margin:12px 0 8px;color:#fff}
.feature p{color:#b3bcc6;font-size:.92rem;margin:0}

/* ===== Partners ===== */
.partners{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.partner{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-2);height:88px;display:grid;place-items:center;padding:12px;transition:border-color .15s}
.partner:hover{border-color:var(--accent)}
.partner img{max-height:56px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75;transition:.2s}
.partner:hover img{filter:none;opacity:1}

/* ===== Quote ===== */
.quote-wrap{display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,4vw,48px);align-items:center}
.quote-photo img{width:150px;height:150px;object-fit:cover;border-radius:var(--radius-3);border:1px solid rgba(255,255,255,.2)}
.quote blockquote{margin:0;font-size:clamp(1.2rem,2.4vw,1.7rem);line-height:1.4;color:#fff;font-weight:600}
.quote cite{display:block;margin-top:18px;font-style:normal;color:#b9c2cc;font-size:.98rem}
.quote cite b{color:var(--accent-2);font-weight:800}

/* ===== CTA form ===== */
.cta-band{background:var(--grad);border-radius:var(--radius-3);padding:clamp(32px,5vw,56px);color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(50% 120% at 90% 0,rgba(255,255,255,.18),transparent);pointer-events:none}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px);align-items:center;position:relative}
.cta-grid h2{color:#fff;font-size:clamp(1.7rem,3.4vw,2.5rem)}
.cta-grid p{color:rgba(255,255,255,.9);margin-top:14px}
.cta-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px}
.cta-list li{display:flex;gap:10px;align-items:center;color:#fff}
.cta-list svg{width:20px;height:20px}

/* ===== Forms ===== */
.form{display:grid;gap:14px;background:var(--surface);padding:clamp(22px,3vw,32px);border-radius:var(--radius-3);border:1px solid var(--border)}
.form h3{color:var(--ink);font-size:1.3rem}
.field{display:grid;gap:6px}
.field label{font-size:.86rem;font-weight:700;color:var(--brand-2)}
.field input,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:var(--radius-2);
  font:inherit;font-size:15px;background:var(--bg);color:var(--text);transition:border-color .15s,box-shadow .15s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(193,90,43,.15)}
.field textarea{resize:vertical;min-height:100px}
.form .btn{width:100%;margin-top:4px}
.form-note{font-size:.8rem;color:var(--muted);text-align:center;margin:0}
.alert{padding:16px 20px;border-radius:var(--radius-2);font-weight:600;margin-bottom:22px}
.alert-ok{background:#e4f3e8;color:#1f6b3a;border:1px solid #bfe3ca}
.alert-err{background:#fbe6e0;color:#a53a1c;border:1px solid #f0c4b6}

/* ===== Cases ===== */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-3);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,border-color .18s}
.case-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.case-photo{position:relative;aspect-ratio:16/10;overflow:hidden}
.case-photo img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.case-card:hover .case-photo img{transform:scale(1.04)}
.case-cat{position:absolute;top:14px;left:14px;background:var(--brand);color:#fff;font-size:.76rem;font-weight:700;padding:6px 12px;border-radius:var(--radius-1);letter-spacing:.02em}
.case-body{padding:26px 28px;display:grid;gap:14px}
.case-body h3{font-size:1.28rem}
.case-block b{display:block;font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:5px}
.case-block p{margin:0;color:var(--muted);font-size:.95rem}

/* ===== Services page ===== */
.svc-list{display:grid;gap:24px}
.svc-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-3);padding:clamp(26px,4vw,40px);display:grid;grid-template-columns:56px 1fr;gap:24px}
.svc-item .tile-ico{margin:0}
.svc-body h3{font-size:1.4rem;margin-bottom:12px}
.svc-body>p{color:var(--muted);max-width:70ch}
.svc-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:22px;padding-top:22px;border-top:1px solid var(--border)}
.svc-cols h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.svc-cols ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.svc-cols li{display:flex;gap:10px;align-items:flex-start;font-size:.95rem}
.svc-cols li svg{flex:0 0 auto;width:18px;height:18px;color:var(--accent);margin-top:3px}
.svc-audience{color:var(--text);font-weight:600}

/* ===== Team ===== */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.member{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-3);overflow:hidden;transition:transform .18s}
.member:hover{transform:translateY(-4px)}
.member-photo{aspect-ratio:1/1;overflow:hidden}
.member-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(.15)}
.member-info{padding:20px 22px}
.member-info b{display:block;font-size:1.1rem;color:var(--ink)}
.member-info span{color:var(--accent);font-size:.92rem;font-weight:600}

/* ===== Certs ===== */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-3);padding:24px;text-align:center}
.cert-ico{width:46px;height:46px;margin:0 auto 14px;color:var(--accent)}
.cert h4{font-size:1rem;margin-bottom:6px}
.cert p{color:var(--muted);font-size:.86rem;margin:0}

/* ===== Values ===== */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value{border:1px solid var(--border);border-radius:var(--radius-3);padding:28px;background:var(--surface)}
.value b{color:var(--accent);font-size:2rem;font-weight:900;display:block}
.value h4{margin:8px 0 8px;font-size:1.15rem}
.value p{color:var(--muted);font-size:.94rem;margin:0}

/* ===== Contacts ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,4vw,48px);align-items:start}
.contact-blocks{display:grid;gap:18px}
.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-3);padding:24px 26px}
.contact-card h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.contact-card p{margin:0 0 6px;color:var(--text)}
.contact-card a{color:var(--ink);font-weight:700}
.contact-card a:hover{color:var(--accent)}
.map-wrap{margin-top:14px;border:1px solid var(--border);border-radius:var(--radius-3);overflow:hidden;line-height:0}
.map-wrap iframe{width:100%;height:300px;border:0}

/* page hero */
.page-hero{background:var(--brand);color:#fff;padding:clamp(48px,7vw,84px) 0}
.page-hero .eyebrow{color:var(--accent-2)}
.page-hero .eyebrow::before{background:var(--accent-2)}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.2rem);max-width:20ch}
.page-hero p{color:#b9c2cc;max-width:60ch;margin-top:16px;font-size:1.08rem}
.crumbs{font-size:.85rem;color:#8b95a1;margin-bottom:18px}
.crumbs a:hover{color:#fff}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#c3cbd4;padding-top:clamp(48px,6vw,72px)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.3fr 1.2fr;gap:36px;padding-bottom:44px}
.brand-footer{color:#fff}
.brand-footer .brand-mark{color:var(--accent-2)}
.brand-footer .brand-text em{color:#8b95a1}
.footer-desc{margin-top:16px;font-size:.92rem;color:#9aa4af;max-width:32ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:38px;height:38px;border-radius:var(--radius-2);border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;color:#c3cbd4;transition:.15s}
.footer-social a:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.footer-social svg{width:19px;height:19px}
.footer-col h4{color:#fff;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a:hover{color:var(--accent-2)}
.footer-contacts li{font-size:.92rem;margin-bottom:12px;color:#c3cbd4}
.footer-contacts span{display:block;font-size:.74rem;color:#7c8792;text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px}
.footer-req{font-size:.86rem;color:#9aa4af;line-height:1.7;margin:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#7c8792}

/* reveal */
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease-out,ease),transform .6s var(--ease-out,ease)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}}

/* ===== Responsive ===== */
@media(max-width:980px){
  .tiles,.features,.team-grid,.cert-grid,.values{grid-template-columns:repeat(2,1fr)}
  .partners{grid-template-columns:repeat(3,1fr)}
  .split,.cta-grid,.contact-grid,.quote-wrap{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .quote-photo img{width:110px;height:110px}
}
@media(max-width:760px){
  .main-nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;background:var(--surface);
    border-bottom:1px solid var(--border);padding:14px 24px;gap:4px;transform:translateY(-130%);transition:transform .28s var(--ease-out,ease);box-shadow:0 20px 40px rgba(0,0,0,.12)}
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:13px 12px;border-radius:var(--radius-1)}
  .burger{display:flex;margin-left:auto}
  .hdr-phone{display:none}
  .hdr-actions .btn-cta{display:none}
  .hdr-inner{gap:12px}
  .svc-item{grid-template-columns:1fr}
  .svc-cols{grid-template-columns:1fr}
}
@media(max-width:520px){
  .tiles,.features,.team-grid,.cert-grid,.values,.partners,.stats{grid-template-columns:1fr}
  body{font-size:16px}
  .hero-badge{flex-basis:100%;border-right:0;border-bottom:1px solid var(--border)}
}