/* СК «Вертикаль» — корпоративный сайт. Единый стиль. */
:root{
  --graphite:#1f2933;
  --graphite-2:#28323d;
  --ink:#2a2f36;
  --muted:#5c6672;
  --accent:#e8641c;
  --accent-d:#c9540f;
  --line:#e4e7ec;
  --bg:#f5f6f8;
  --bg-soft:#eef1f4;
  --white:#fff;
  --ok:#2e7d4f;
  --radius:10px;
  --wrap:1160px;
  --shadow:0 8px 28px rgba(23,31,41,.08);
  --shadow-sm:0 2px 10px rgba(23,31,41,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:var(--accent-d);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--graphite);line-height:1.22;margin:0 0 .5em;font-weight:700}
h1{font-size:2.35rem;letter-spacing:-.01em}
h2{font-size:1.7rem}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--soft{background:var(--bg)}
.muted{color:var(--muted)}
.lead{font-size:1.13rem;color:var(--muted);max-width:70ch}
.center{text-align:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-d);margin-bottom:.6rem}

/* Buttons */
.btn{display:inline-block;padding:13px 26px;border-radius:8px;font-weight:600;font-size:1rem;
  cursor:pointer;border:1px solid transparent;transition:.15s;text-align:center}
.btn:hover{text-decoration:none}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-d)}
.btn--ghost{background:transparent;color:var(--graphite);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--muted)}
.btn--light{background:#fff;color:var(--graphite)}
.btn--light:hover{background:#f0f0f0}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:var(--white);border-bottom:1px solid var(--line)}
.topline{background:var(--graphite);color:#c7d0da;font-size:.86rem}
.topline .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topline a{color:#e7edf3}
.topline .tl-right{display:flex;gap:20px;align-items:center}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.logo{display:flex;align-items:center;gap:11px;color:var(--graphite);font-weight:800;font-size:1.28rem;letter-spacing:.01em}
.logo:hover{text-decoration:none}
.logo img{width:38px;height:38px}
.logo small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-top:2px}
.menu{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.menu a{color:var(--graphite);font-weight:500;font-size:.98rem;padding:6px 0;border-bottom:2px solid transparent}
.menu a:hover,.menu a.active{color:var(--accent-d);text-decoration:none;border-color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:16px}
.nav-phone{font-weight:700;color:var(--graphite);white-space:nowrap}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;width:44px;height:44px}
.burger span{display:block;height:2px;width:24px;background:var(--graphite);margin:5px 0;transition:.2s}

/* Hero */
.hero{background:linear-gradient(180deg,#fbfcfd,#eef2f6);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:56px;padding-bottom:56px}
.hero h1{margin-bottom:.4em}
.hero .lead{margin-bottom:1.6rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:1.6rem}
.hero-badges{display:flex;gap:26px;flex-wrap:wrap}
.hero-badges div{font-size:.92rem;color:var(--muted)}
.hero-badges b{display:block;font-size:1.5rem;color:var(--graphite);font-weight:800}
.hero-art{border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}

/* Grid helpers */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.section-head{max-width:64ch;margin-bottom:36px}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.15s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .ico{width:46px;height:46px;border-radius:9px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--accent-d)}
.card .ico svg{width:24px;height:24px}
.card h3{margin-bottom:.35em}
.card p{margin:0;color:var(--muted);font-size:.96rem}

/* Stats band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats .n{font-size:2.4rem;font-weight:800;color:var(--graphite);line-height:1}
.stats .l{color:var(--muted);font-size:.95rem;margin-top:8px}

/* Projects */
.proj{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.15s}
.proj:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.proj .thumb{aspect-ratio:16/10;background:var(--bg-soft)}
.proj .thumb img{width:100%;height:100%;object-fit:cover}
.proj .body{padding:20px 22px}
.proj .tag{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent-d);background:#fbeee5;padding:3px 9px;border-radius:20px;margin-bottom:10px}
.proj h3{font-size:1.12rem;margin-bottom:.3em}
.proj .meta{color:var(--muted);font-size:.9rem;margin:0}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.checklist{list-style:none;padding:0;margin:0}
.checklist li{position:relative;padding-left:32px;margin-bottom:12px;color:var(--ink)}
.checklist li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;
  background:var(--accent);mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/13px no-repeat;
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/13px no-repeat}

/* CTA band */
.cta{background:var(--graphite);color:#eef2f6;border-radius:14px;padding:44px;display:flex;justify-content:space-between;
  align-items:center;gap:28px;flex-wrap:wrap}
.cta h2{color:#fff;margin:0}
.cta p{color:#b9c3ce;margin:.4rem 0 0}

/* Page header / breadcrumbs */
.page-head{background:var(--graphite);color:#eef2f6;padding:40px 0}
.page-head h1{color:#fff;margin:0}
.crumbs{font-size:.88rem;color:#9fabb7;margin-bottom:10px}
.crumbs a{color:#cdd6df}

/* Contacts */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.contact-list .k{color:var(--muted);min-width:120px;font-size:.92rem}
.contact-list .v{font-weight:600;color:var(--graphite)}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.9rem;color:var(--muted);margin-bottom:6px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;
  font:inherit;color:var(--ink);background:#fcfcfd}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,100,28,.12)}
.field textarea{min-height:120px;resize:vertical}
.form-note{font-size:.82rem;color:var(--muted);margin-top:4px}
.form-ok{display:none;background:#eaf6ef;border:1px solid #bfe3cd;color:var(--ok);padding:14px 16px;border-radius:8px;margin-bottom:16px}
.form-ok.show{display:block}

/* Requisites */
.reqs{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;font-size:.94rem}
.reqs dl{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;margin:0}
.reqs dt{color:var(--muted)}
.reqs dd{margin:0;font-weight:600;color:var(--graphite)}

/* Footer */
.site-footer{background:var(--graphite);color:#aeb9c4;padding:52px 0 26px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px;margin-bottom:34px}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:14px}
.site-footer a{color:#cdd6df}
.site-footer .flist{list-style:none;padding:0;margin:0}
.site-footer .flist li{margin-bottom:9px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.2rem;margin-bottom:14px}
.footer-logo img{width:34px;height:34px}
.footer-bottom{border-top:1px solid #33404c;padding-top:20px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:.85rem;color:#8b97a3}

/* 404 */
.err{min-height:52vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:60px 20px}
.err .code{font-size:5rem;font-weight:800;color:var(--accent);line-height:1}

/* Responsive */
@media (max-width:940px){
  .hero .wrap{grid-template-columns:1fr;gap:32px}
  .hero-art{order:-1}
  .grid-3{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr;gap:30px}
  .about-grid,.contact-grid,.footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:720px){
  h1{font-size:1.9rem}
  h2{font-size:1.42rem}
  .menu,.nav-phone{display:none}
  .burger{display:block}
  .nav-menu{position:fixed;inset:108px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);padding:10px 20px 20px;display:none}
  .nav-menu.open{display:block}
  .nav-menu .menu{display:flex;flex-direction:column;gap:2px}
  .nav-menu .menu a{padding:12px 0;border-bottom:1px solid var(--line)}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .cta{padding:30px;text-align:center;justify-content:center}
  .section{padding:48px 0}
}