/* =========================================================
   ПРОФКОМ — инженерные системы и энергоэффективность
   Единая таблица стилей для всех страниц сайта
   ========================================================= */

:root{
  --navy-900:#0b1626;
  --navy-800:#0f1f37;
  --navy-700:#142a47;
  --navy-600:#1c3a5e;
  --orange:#ef7d2d;
  --orange-dark:#d8631a;
  --orange-light:#ffb072;
  --ink:#16223a;
  --ink-soft:#4b5872;
  --paper:#f5f7fa;
  --paper-2:#eef1f6;
  --white:#ffffff;
  --line:#e1e6ee;
  --green:#1d9c5b;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 18px 40px -16px rgba(11,22,38,.25);
  --shadow-sm:0 8px 20px -10px rgba(11,22,38,.2);
  --maxw:1180px;
  --font-head:'Manrope',Arial,sans-serif;
  --font-body:'Inter',Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  scroll-padding-top:90px;
}
img{max-width:100%;display:block}
svg{width:20px;height:20px;flex:none;display:inline-block;vertical-align:middle}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0}
h1,h2,h3,h4{font-family:var(--font-head);margin:0 0 .5em;line-height:1.15;color:var(--navy-900)}
p{line-height:1.65;color:var(--ink-soft);margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:88px 0}
@media (max-width:900px){section{padding:60px 0}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-head);font-weight:700;font-size:13px;letter-spacing:.06em;
  color:var(--orange-dark);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--orange);display:inline-block}
.section-head{max-width:680px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(26px,3.2vw,38px)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-head);font-weight:700;font-size:15px;
  padding:15px 26px;border-radius:10px;border:none;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn-orange{background:var(--orange);color:var(--white);box-shadow:0 14px 28px -10px rgba(239,125,45,.55)}
.btn-orange:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.35);color:var(--white)}
.btn-outline:hover{border-color:var(--orange);color:var(--orange-light)}
.btn-navy{background:var(--navy-800);color:var(--white)}
.btn-navy:hover{background:var(--navy-700);transform:translateY(-2px)}
.btn-block{width:100%}
.btn svg{width:16px;height:16px;flex:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(11,22,38,.98);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{display:flex;align-items:center;gap:28px;padding:14px 24px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;color:var(--white);margin-right:auto}
.brand-badge{width:46px;height:46px;flex:none;background:#f7f6f3;border-radius:10px;padding:3px;object-fit:contain}
.brand-text{font-family:var(--font-head);line-height:1.15}
.brand-text strong{display:block;font-size:17px;letter-spacing:.04em;color:var(--white)}
.brand-text span{display:block;font-size:11px;color:#9fb0c8;letter-spacing:.02em}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav>li{position:relative}
.main-nav>li>a{
  display:block;padding:10px 14px;font-size:14.5px;color:#cdd7e6;font-weight:600;
  border-radius:8px;transition:color .15s, background .15s;
}
.main-nav>li>a:hover,.main-nav>li.has-drop:hover>a{color:var(--white);background:rgba(255,255,255,.06)}
.main-nav>li.active>a{color:var(--orange-light)}
.has-drop .drop{
  position:absolute;top:100%;left:0;min-width:260px;background:var(--white);
  border-radius:12px;box-shadow:var(--shadow);padding:10px;opacity:0;visibility:hidden;
  transform:translateY(6px);transition:all .15s ease;
}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:translateY(2px)}
.drop a{display:block;padding:10px 12px;border-radius:8px;color:var(--ink);font-size:14px;font-weight:600}
.drop a:hover{background:var(--paper);color:var(--orange-dark)}

.header-actions{display:flex;align-items:center;gap:16px}
.header-phone{color:var(--white);font-weight:700;font-family:var(--font-head);font-size:15px;white-space:nowrap}
.header-phone small{display:block;font-weight:500;font-size:11px;color:#9fb0c8}
.burger{display:none;width:42px;height:42px;border-radius:8px;border:1px solid rgba(255,255,255,.2);background:transparent;cursor:pointer;flex:none}
.burger span{display:block;width:18px;height:2px;background:#fff;margin:4px auto;border-radius:2px}

@media (min-width:981px){.mobile-cta-item{display:none}}
@media (max-width:980px){
  .mobile-cta-item{padding:14px 10px 4px}
  .main-nav{position:fixed;inset:64px 0 0 0;background:var(--navy-900);flex-direction:column;align-items:stretch;
    padding:14px;gap:2px;overflow:auto;transform:translateX(100%);transition:transform .25s ease;}
  .main-nav.open{transform:translateX(0)}
  .main-nav>li>a{padding:14px 10px;font-size:16px}
  .has-drop .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.04);display:none;margin:4px 0 8px}
  .has-drop.open .drop{display:block}
  .drop a{color:#cdd7e6}
  .drop a:hover{background:rgba(255,255,255,.07);color:var(--orange-light)}
  .header-phone{display:none}
  .header-actions .btn-orange{display:none}
  .burger{display:block}
}

/* ---------- hero ---------- */
.hero{background:linear-gradient(165deg,var(--navy-900),var(--navy-700) 70%);position:relative;overflow:hidden;color:var(--white)}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(239,125,45,.22),transparent 70%);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:60px 0 40px;position:relative;z-index:1}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(30px,4.4vw,50px);color:var(--white);letter-spacing:-.01em}
.hero h1 .accent{color:var(--orange)}
.hero-lead{color:#c4d0e2;font-size:17px;max-width:480px}
.hero-points{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px;margin:26px 0 30px}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#dbe3ef;font-weight:500}
.hero-points svg{flex:none;width:18px;height:18px;color:var(--orange);margin-top:1px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-cta-note{font-size:13px;color:#9fb0c8}

.hero-panel{background:var(--navy-800);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.hero-panel-photo{border-radius:10px;overflow:hidden;margin-bottom:18px;aspect-ratio:4/3;background:linear-gradient(140deg,#1c3a5e,#0b1626)}
.hero-panel ul{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.hero-panel li{display:flex;gap:10px;align-items:center;font-size:14.5px;color:#e6ebf3;font-weight:600}
.hero-panel svg{width:18px;height:18px;color:var(--green);flex:none}
.hero-panel-price{display:flex;align-items:baseline;justify-content:space-between;border-top:1px solid rgba(255,255,255,.1);padding-top:16px}
.hero-panel-price strong{font-family:var(--font-head);font-size:30px;color:var(--white)}
.hero-panel-price span{font-size:12px;color:var(--orange-light);font-weight:700;letter-spacing:.05em;text-transform:uppercase}

.audience-strip{background:var(--white);border-bottom:1px solid var(--line)}
.audience-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:26px 0}
.audience-grid li{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink)}
.audience-grid svg{width:24px;height:24px;color:var(--orange);flex:none}

/* ---------- process ---------- */
.process-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
@media (max-width:980px){.process-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:600px){.process-grid{grid-template-columns:repeat(2,1fr)}}
.process-step{text-align:center;position:relative}
.process-step .num{
  width:54px;height:54px;border-radius:50%;background:var(--paper-2);border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:var(--navy-800);
}
.process-step .num svg{width:22px;height:22px}
.process-step strong{display:block;font-family:var(--font-head);font-size:14.5px;color:var(--navy-900)}
.process-step small{display:block;font-size:11px;color:var(--orange-dark);font-weight:700;letter-spacing:.06em;margin-bottom:6px}

/* ---------- two col layouts / cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media (max-width:900px){.grid-3,.grid-2{grid-template-columns:1fr}}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
.card-icon{width:48px;height:48px;border-radius:10px;background:rgba(239,125,45,.12);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card-icon svg{width:24px;height:24px;color:var(--orange-dark)}
.card h3{font-size:18px}
.card p{font-size:14.5px;margin-bottom:0}
.card a.more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:700;font-size:14px;color:var(--orange-dark)}
.card a.more svg{width:15px;height:15px}

.service-card{display:flex;flex-direction:column;height:100%}
.service-card ul.feats{margin:14px 0 0;display:flex;flex-direction:column;gap:8px}
.service-card ul.feats li{font-size:13.5px;color:var(--ink-soft);display:flex;gap:8px}
.service-card ul.feats li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);margin-top:7px;flex:none}

/* case cards */
.case-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow-sm)}
.case-photo{aspect-ratio:4/3;background-size:cover;background-position:center;position:relative}
.case-tag{position:absolute;top:14px;left:14px;background:rgba(11,22,38,.85);color:#fff;font-size:12px;font-weight:700;padding:6px 12px;border-radius:6px;letter-spacing:.03em}
.case-body{padding:20px}
.case-stat{font-family:var(--font-head);font-size:30px;color:var(--navy-900);margin:6px 0 2px}
.case-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-soft);border-top:1px solid var(--line);padding-top:12px;margin-top:12px}

/* stats strip */
.stats-strip{background:var(--navy-900);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;text-align:center}
@media (max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
.stats-grid .icon{width:34px;height:34px;margin:0 auto 10px;color:var(--orange)}
.stats-grid .icon svg{width:34px;height:34px}
.stats-grid strong{display:block;font-family:var(--font-head);font-size:26px}
.stats-grid span{font-size:12.5px;color:#9fb0c8}

/* CTA dark panel */
.cta-panel{background:linear-gradient(135deg,var(--navy-900),var(--navy-700));color:#fff;border-radius:var(--radius);padding:40px;display:flex;justify-content:space-between;gap:30px;align-items:center;flex-wrap:wrap}
.cta-panel h3{color:#fff;font-size:24px;margin-bottom:8px}
.cta-panel p{color:#c4d0e2;margin-bottom:0;max-width:420px}

/* reviews */
.review-card{background:var(--paper);border-radius:var(--radius);padding:24px;border:1px solid var(--line)}
.review-stars{color:var(--orange);font-size:14px;letter-spacing:2px;margin-bottom:10px}
.review-card .who{display:flex;gap:10px;align-items:center;margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
.review-avatar{width:38px;height:38px;border-radius:50%;background:var(--navy-700);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;font-size:14px;flex:none}

/* forms */
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--navy-900);margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:8px;font-family:var(--font-body);
  font-size:14.5px;color:var(--ink);background:var(--paper);transition:border-color .15s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--orange)}
.field-note{font-size:12px;color:var(--ink-soft)}
.form-status{font-size:13.5px;font-weight:600;margin-top:10px;min-height:18px}

/* breadcrumbs / page header */
.page-head{background:linear-gradient(165deg,var(--navy-900),var(--navy-700) 75%);color:#fff;padding:54px 0 46px}
.breadcrumbs{display:flex;gap:8px;font-size:13px;color:#9fb0c8;margin-bottom:14px}
.breadcrumbs a{color:#9fb0c8;font-weight:600}
.breadcrumbs a:hover{color:var(--orange-light)}
.page-head h1{color:#fff;font-size:clamp(26px,3.6vw,40px);margin-bottom:8px}
.page-head p{color:#c4d0e2;max-width:640px;margin-bottom:0}

/* content article */
.article{max-width:760px}
.article h2{font-size:24px;margin-top:36px}
.article p{font-size:15.5px}
.article ul{margin:0 0 18px 0;display:flex;flex-direction:column;gap:10px}
.article ul li{display:flex;gap:10px;font-size:15px;color:var(--ink-soft)}
.article ul li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange);margin-top:8px;flex:none}
.callout{background:var(--paper);border-left:3px solid var(--orange);border-radius:8px;padding:18px 22px;font-size:14.5px;color:var(--ink-soft);margin:24px 0}
.kpi-row{display:flex;gap:30px;flex-wrap:wrap;margin:28px 0;padding:24px;background:var(--navy-900);border-radius:var(--radius);color:#fff}
.kpi-row div strong{display:block;font-family:var(--font-head);font-size:26px;color:var(--orange-light)}
.kpi-row div span{font-size:12.5px;color:#9fb0c8}

/* sidebar (service pages) */
.with-sidebar{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
@media (max-width:980px){.with-sidebar{grid-template-columns:1fr}}
.sidebar-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:100px}
.sidebar-card h4{font-size:15px}
.sidebar-card .svc-list a{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink)}
.sidebar-card .svc-list a svg{width:14px;height:14px}
.sidebar-card .svc-list a:last-child{border-bottom:none}
.sidebar-card .svc-list a:hover{color:var(--orange-dark)}
.sidebar-card .svc-list a.active{color:var(--orange-dark)}

/* table (normативная база) */
.norm-table{width:100%;border-collapse:collapse;margin:16px 0 30px;font-size:14px}
.norm-table th,.norm-table td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.norm-table th{background:var(--navy-900);color:#fff;font-family:var(--font-head);font-weight:700;font-size:13px}
.norm-table tr:nth-child(even){background:var(--paper)}

/* map placeholder */
.map-block{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:var(--paper-2)}
.map-block iframe{width:100%;height:100%;border:0;display:block}

/* footer */
.site-footer{background:var(--navy-900);color:#c4d0e2;padding-top:60px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px}
.footer-brand strong{font-family:var(--font-head);font-size:16px}
.footer-col h5{color:#fff;font-family:var(--font-head);font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#9fb0c8}
.footer-col a:hover{color:var(--orange-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:46px;padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#7e8fab}

/* floating call button (mobile) */
.float-call{position:fixed;bottom:18px;right:18px;z-index:70;width:56px;height:56px;border-radius:50%;background:var(--orange);
  display:none;align-items:center;justify-content:center;box-shadow:0 14px 30px -8px rgba(239,125,45,.6)}
.float-call svg{width:24px;height:24px;color:#fff}
@media (max-width:760px){.float-call{display:flex}}

/* quick access cards */
.quick-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .15s ease, box-shadow .15s ease}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.quick-photo{position:relative}
.quick-icon{position:absolute;left:14px;bottom:-18px;width:42px;height:42px;border-radius:10px;background:var(--navy-900);border:3px solid var(--white);display:flex;align-items:center;justify-content:center;color:var(--orange-light)}
.quick-icon svg{width:20px;height:20px}
.quick-body{padding:26px 16px 20px}
.quick-body h3{font-size:15.5px;margin-bottom:6px}
.quick-body p{font-size:13px;margin-bottom:12px;color:var(--ink-soft)}
.quick-body .more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:13px;color:var(--orange-dark)}
.quick-body .more svg{width:14px;height:14px}
@media (max-width:980px){.grid-3[style*="repeat(4"]{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid-3[style*="repeat(4"]{grid-template-columns:1fr}}

/* utility */
.bg-paper{background:var(--paper)}
.text-center{text-align:center}
.mt-0{margin-top:0}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease, transform .5s ease}
.reveal.in{opacity:1;transform:none}