:root{
  --bg:#071014;
  --bg-deep:#03080a;
  --panel:#111b20;
  --panel-2:#162228;
  --text:#f7f8f6;
  --muted:#b8c0c4;
  --gold:#f4b427;
  --gold-2:#ffd166;
  --line:#233138;
  --green:#20c866;
  --radius:16px;
  --shadow:0 18px 48px rgba(0,0,0,.28);
  --container:1180px;
  --header-h:68px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}
body{
  margin:0;
  min-width:320px;
  overflow-x:hidden;
  background:radial-gradient(circle at 20% 0,#0e1a20 0,#071014 34%,#050b0e 100%);
  color:var(--text);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.45;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,svg{display:block;max-width:100%}
svg{shape-rendering:geometricPrecision;text-rendering:geometricPrecision}
a,button{-webkit-tap-highlight-color:transparent}
.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}
.container{width:min(var(--container),calc(100% - 32px));margin-inline:auto;min-width:0}
#services,#ustanovka-kotla,#otoplenie-pod-klyuch,#benefits,#process,#reviews,#contacts{scroll-margin-top:84px}

/* Shared UI */
.brand{display:inline-flex;align-items:center;min-width:0;color:inherit;text-decoration:none}
.brand-logo{width:172px;height:auto;object-fit:contain;object-position:left center;filter:drop-shadow(0 0 10px rgba(244,180,39,.08))}
.btn{
  min-height:48px;
  border:0;
  border-radius:11px;
  padding:12px 18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  color:#0e1112;
  font-size:13px;
  font-weight:800;
  line-height:1.15;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px);filter:brightness(1.04)}
.btn:focus-visible,.menu-toggle:focus-visible,.main-nav a:focus-visible,.footer-nav a:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));box-shadow:0 10px 26px rgba(244,180,39,.16)}
.btn-small{min-height:44px;padding:10px 15px;font-size:12.5px}
.btn svg,.phone svg,.footer-contact svg,.quick-icon svg,.floating-wa svg{width:20px;height:20px;flex:0 0 auto;overflow:visible}
.icon-circle{
  width:46px;height:46px;flex:0 0 46px;
  border:2px solid var(--gold);
  border-radius:50%;
  display:grid;place-items:center;
  color:var(--gold);
  background:rgba(244,180,39,.035);
}
.icon-circle svg{width:23px;height:23px;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.section{padding:34px 0}
.section h2{margin:0 0 20px;font-size:clamp(26px,7vw,31px);line-height:1.08;letter-spacing:-.8px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(5,12,15,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.055);
}
.header-inner{min-height:var(--header-h);display:flex;align-items:center;gap:14px;position:relative}
.menu-toggle{
  width:44px;height:44px;margin-left:auto;padding:8px;
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.08);
  border-radius:11px;
  background:#101a1f;
  color:#fff;
  cursor:pointer;
}
.menu-toggle svg{width:25px;height:25px}
.main-nav{
  position:absolute;
  top:calc(100% + 8px);
  left:0;right:0;
  display:none;
  flex-direction:column;
  gap:0;
  padding:7px;
  background:#111b20;
  border:1px solid #29383f;
  border-radius:14px;
  box-shadow:0 20px 48px rgba(0,0,0,.46);
}
.main-nav.open{display:flex}
.main-nav a,.footer-nav a{color:#edf1f2;text-decoration:none;font-weight:650}
.main-nav a{min-height:46px;padding:11px 13px;display:flex;align-items:center;border-radius:9px;font-size:14px}
.main-nav a:hover{background:rgba(255,255,255,.04);color:var(--gold-2)}
.header-actions{display:none}
.phone{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-size:14px;font-weight:750;white-space:nowrap}

/* Hero: image becomes a controlled background on phones/tablets */
.hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.045)}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;min-height:560px}
.hero-image{
  position:absolute;inset:0;
  min-height:100%;
  background-image:url('assets/rabotnik.png');
  background-size:cover;
  background-position:64% center;
  background-repeat:no-repeat;
  z-index:0;
}
.hero-image::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(3,9,12,.97) 0%,rgba(3,9,12,.90) 45%,rgba(3,9,12,.58) 69%,rgba(3,9,12,.28) 100%),
    linear-gradient(0deg,rgba(3,9,12,.72) 0%,rgba(3,9,12,.04) 34%,rgba(3,9,12,.06) 100%);
}
.hero-copy{
  position:relative;z-index:2;
  min-width:0;
  padding:26px 0 30px;
  display:flex;flex-direction:column;justify-content:center;
}
.hero-copy::before{content:none}
.eyebrow{
  align-self:flex-start;
  max-width:100%;
  padding:6px 10px;
  border:1px solid var(--gold);
  border-radius:999px;
  color:var(--gold-2);
  text-transform:uppercase;
  font-size:9px;
  font-weight:850;
  line-height:1.25;
  letter-spacing:.12px;
  white-space:normal;
}
.hero h1{
  margin:16px 0 11px;
  max-width:620px;
  font-size:clamp(36px,11.2vw,48px);
  line-height:.98;
  letter-spacing:-1.55px;
}
.hero h1 span{color:var(--gold-2)}
.hero-lead{margin:0;max-width:600px;color:#f1f3f2;font-size:16px;line-height:1.38}
.hero-lead br{display:none}
.hero-features{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 10px;
  margin:22px 0 20px;
  max-width:500px;
}
.hero-features>div{min-width:0;display:grid;grid-template-columns:42px minmax(0,1fr);align-items:center;gap:8px}
.hero-features .icon-circle{width:42px;height:42px;flex-basis:42px}
.hero-features .icon-circle svg{width:21px;height:21px}
.hero-features b{font-size:10.5px;line-height:1.25}
.hero-cta{width:100%;max-width:360px;align-self:flex-start}

/* Brands */
.brands{background:#0a1317;border-bottom:1px solid rgba(255,255,255,.06)}
.brands-row{
  min-height:100px;
  padding:14px 0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 16px;
  align-items:center;
}
.brands-row i{display:none}
.brands-row .brand-logo-item,
.brands-row .navien-logo,
.brands-row .rinnai-logo,
.brands-row .daewoo-logo,
.brands-row .hubert-logo{
  min-width:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#f4f5f5;
  font-family:Arial,Helvetica,sans-serif!important;
  font-size:19px!important;
  font-weight:800!important;
  letter-spacing:-.7px!important;
  line-height:1!important;
  font-style:normal!important;
  transform:none!important;
}
.hubert-logo{gap:5px}
.brands-row .hubert-logo svg{width:19px;height:19px;flex:0 0 auto}

/* Services */
.service-grid{display:grid;grid-template-columns:1fr;gap:12px}
.service-card{
  min-width:0;
  min-height:116px;
  padding:16px;
  display:grid;
  grid-template-columns:44px minmax(0,1fr) 30px;
  gap:12px;
  align-items:center;
  background:linear-gradient(145deg,#131e23,#10191d);
  border:1px solid rgba(255,255,255,.055);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.service-card .icon-circle{width:44px;height:44px;flex-basis:44px}
.service-card h3{margin:0 0 6px;font-size:16px;line-height:1.2}
.service-card p{margin:0;color:var(--muted);font-size:12.5px;line-height:1.38}
.card-arrow{width:30px;height:30px;border:1px solid #718087;border-radius:50%;display:grid;place-items:center;color:#dce1e3}
.card-arrow svg{width:17px;height:17px}

/* Benefits */
.benefits-layout{display:grid;grid-template-columns:1fr;gap:20px}
.benefit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 12px}
.benefit{text-align:center;min-width:0}
.benefit .icon-circle{margin:0 auto 8px}
.benefit p{margin:0;font-size:12.5px;line-height:1.35}
.benefit:last-child{grid-column:1 / -1;justify-self:center;width:min(50%,150px)}
.stats-card{
  min-height:142px;
  padding:18px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px;
  align-items:center;
  border-radius:var(--radius);
  background:linear-gradient(90deg,rgba(10,17,20,.96),rgba(7,16,20,.70)),url('assets/ogonek.png') right center/68% auto no-repeat;
  border:1px solid rgba(255,255,255,.06);
  box-shadow:var(--shadow);
}
.stats-card div{min-width:0;display:flex;flex-direction:column;align-items:center;text-align:center;gap:2px}
.stats-card strong{font-size:clamp(24px,8vw,35px);line-height:1}
.stats-card .gold{color:var(--gold-2)}
.stats-card span{font-size:10.5px;color:#dfe4e6;line-height:1.2}

/* Process */
.process-layout{display:grid;grid-template-columns:1fr;gap:22px}
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.step{
  min-width:0;
  min-height:126px;
  padding:14px 10px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
  background:linear-gradient(145deg,#121d22,#0e171b);
  border:1px solid rgba(255,255,255,.055);
  border-radius:14px;
}
.step b{width:46px;height:46px;margin:0 auto 9px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,var(--gold-2),var(--gold));color:#111;font-size:20px}
.step p{margin:0;font-size:12px;line-height:1.35}
.step-arrow{display:none}
.consult-card{
  min-width:0;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr;
  background:linear-gradient(145deg,#19242a,#10191d);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.consult-card img{width:100%;height:220px;object-fit:cover;object-position:center 30%;transform:none!important;filter:contrast(1.015) saturate(1.01)}
.consult-card>div{padding:18px}
.consult-card h3{margin:0 0 7px;font-size:21px;line-height:1.15}
.consult-card p{margin:0 0 15px;color:#e5e8e9;font-size:12.5px;line-height:1.4}
.consult-card .btn{width:100%}

/* Reviews */
.reviews-grid{display:grid;grid-template-columns:1fr;gap:12px}
.review-card{
  min-width:0;
  padding:16px;
  background:linear-gradient(145deg,#172126,#111b1f);
  border:1px solid rgba(255,255,255,.055);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.review-card header{display:flex;align-items:center;gap:11px;margin-bottom:11px}
.review-avatar,.review-card header img{width:58px;height:58px;flex:0 0 58px;border-radius:50%;object-fit:cover;object-position:center}
.review-card h3{margin:0;font-size:15px}
.review-card header span{font-size:11.5px;color:#d1d7d9}
.stars{color:#ffbe24;letter-spacing:1.5px;font-size:14px}
.review-card p{margin:0;color:#eef0f1;font-size:12.5px;line-height:1.48}

/* CTA before footer */
.cta-band{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  margin-top:26px;
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  background:#0b1216;
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('assets/burner-hq.webp') 72% center/auto 100% no-repeat;
  opacity:.52;
}
.cta-band::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(92,44,16,.98) 0%,rgba(62,31,13,.95) 34%,rgba(9,15,18,.91) 72%,rgba(6,11,14,.94) 100%);
}
.cta-inner{
  min-height:250px;
  padding:24px 0 26px;
  display:grid;
  grid-template-columns:1fr;
  gap:13px;
  align-content:center;
}
.cta-inner h2{margin:0;padding:0;max-width:520px;font-size:clamp(26px,8.4vw,34px);line-height:1.06;letter-spacing:-.8px;overflow:visible}
.cta-now{display:inline;overflow:visible}
.cta-inner>.btn{width:100%;max-width:360px}
.quick{display:flex;align-items:center;gap:11px;min-width:0;margin-top:2px}
.quick-icon{width:43px;height:43px;flex:0 0 43px;border:2px solid #18be62;border-radius:50%;display:grid;place-items:center;color:#fff}
.quick-copy{display:flex;flex-direction:column;gap:1px}
.quick-copy span,.quick-copy strong{color:#fff;font-size:12px;line-height:1.2}
.quick-copy strong{font-weight:750}

/* Footer */
.site-footer{
  position:relative;
  overflow:hidden;
  padding:28px 0 96px;
  background:radial-gradient(ellipse at 50% 20%,#0d181c 0%,#071014 50%,#020607 100%);
  border-top:1px solid rgba(255,255,255,.035);
}
.site-footer::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.23),transparent 30%,transparent 70%,rgba(0,0,0,.23))}
.site-footer .container{position:relative;z-index:1}
.footer-inner{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
.footer-logo{width:184px}
.footer-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}
.footer-nav a{font-size:12.5px}
.footer-nav a:hover{color:var(--gold-2)}
.footer-contact{display:flex;flex-direction:column;gap:8px}
.footer-contact a{display:flex;align-items:center;gap:9px;color:#f4f5f5;text-decoration:none;font-size:13px;font-weight:700}
.footer-contact a:last-child{font-weight:600}
.floating-wa{
  position:fixed;right:max(14px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom));
  width:54px;height:54px;z-index:45;
  display:grid;place-items:center;
  border-radius:50%;
  background:#20c866;color:#fff;
  box-shadow:0 14px 35px rgba(0,0,0,.42);
}
.floating-wa svg{width:28px;height:28px}

/* 480+ — large phones */
@media (min-width:480px){
  .container{width:min(var(--container),calc(100% - 40px))}
  .brand-logo{width:184px}
  .hero-grid{min-height:540px}
  .hero-copy{padding:30px 0 34px}
  .eyebrow{font-size:10px;padding:6px 11px;white-space:nowrap}
  .hero h1{font-size:48px}
  .hero-lead{font-size:17px}
  .hero-features{gap:14px 18px;max-width:530px}
  .hero-features b{font-size:11px}
  .brands-row{min-height:72px;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
  .brands-row i{display:block;width:1px;height:22px;background:#59666d;justify-self:center}
  .brands-row{grid-template-columns:1fr 1px 1fr 1px 1fr 1px 1fr}
  .brands-row .brand-logo-item,.brands-row .navien-logo,.brands-row .rinnai-logo,.brands-row .daewoo-logo,.brands-row .hubert-logo{font-size:18px!important}
  .benefit-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
  .benefit:last-child{grid-column:auto;width:auto;justify-self:stretch}
  .benefit p{font-size:11px}
  .reviews-grid{gap:14px}
  .cta-inner{min-height:220px}
}

/* 600+ — landscape phones and small tablets */
@media (min-width:600px){
  :root{--header-h:70px}
  .brand-logo{width:194px}
  .hero-grid{min-height:500px}
  .hero-image{background-position:70% center}
  .hero-image::after{background:linear-gradient(90deg,rgba(3,9,12,.97) 0%,rgba(3,9,12,.90) 48%,rgba(3,9,12,.42) 75%,rgba(3,9,12,.16) 100%)}
  .hero-copy{padding:30px 0}
  .hero h1{font-size:52px}
  .hero-lead{font-size:18px;max-width:550px}
  .hero-features{grid-template-columns:repeat(4,minmax(0,1fr));max-width:640px}
  .hero-features>div{display:flex;flex-direction:column;align-items:flex-start;gap:7px}
  .hero-features b{font-size:10.5px}
  .hero-cta{width:auto;min-width:250px}
  .section{padding:38px 0}
  .service-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .service-card{min-height:128px}
  .stats-card{padding:20px 24px}
  .stats-card div{flex-direction:row;justify-content:center;text-align:left;gap:7px}
  .stats-card span{font-size:11px}
  .steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
  .step{min-height:136px}
  .consult-card{grid-template-columns:220px minmax(0,1fr);min-height:205px}
  .consult-card img{height:100%;min-height:205px}
  .consult-card>div{padding:22px;display:flex;flex-direction:column;justify-content:center}
  .consult-card .btn{width:auto;align-self:flex-start;min-width:225px}
  .reviews-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .review-card:last-child{grid-column:1 / -1}
  .cta-band::before{background-position:right center;opacity:.62}
  .cta-band::after{background:linear-gradient(90deg,rgba(94,45,16,.97) 0%,rgba(55,29,14,.91) 42%,rgba(7,13,16,.69) 72%,rgba(5,10,13,.77) 100%)}
  .cta-inner{min-height:180px;grid-template-columns:minmax(0,1fr) minmax(240px,320px);grid-template-areas:"title button" "title quick";gap:10px 26px;padding:24px 0}
  .cta-inner h2{grid-area:title;align-self:center;font-size:31px}
  .cta-inner>.btn{grid-area:button;align-self:end;justify-self:stretch;max-width:none}
  .quick{grid-area:quick;align-self:start}
  .site-footer{padding:32px 0 90px}
  .footer-inner{grid-template-columns:minmax(180px,.8fr) minmax(0,1fr);gap:24px 36px}
  .footer-contact{grid-column:2}
}

/* Short landscape phones: compact vertical rhythm */
@media (min-width:568px) and (max-width:767px) and (orientation:landscape){
  .hero-grid{min-height:410px}
  .hero-copy{padding:20px 0 22px;justify-content:flex-start}
  .eyebrow{font-size:9px}
  .hero h1{font-size:42px;margin:12px 0 8px}
  .hero-lead{font-size:15px;line-height:1.32;max-width:470px}
  .hero-features{margin:16px 0 14px;gap:10px 12px;max-width:560px}
  .hero-features .icon-circle{width:38px;height:38px;flex-basis:38px}
  .hero-features b{font-size:9.7px}
  .hero-cta{min-height:44px;min-width:230px}
}

/* 768+ — tablets */
@media (min-width:768px){
  :root{--header-h:72px}
  .container{width:min(var(--container),calc(100% - 48px))}
  .brand-logo{width:205px}
  .hero-grid{min-height:520px}
  .hero-copy{padding:36px 0}
  .eyebrow{font-size:10.5px}
  .hero h1{font-size:clamp(52px,7.1vw,60px)}
  .hero-lead{font-size:19px}
  .hero-lead br{display:block}
  .brands-row{min-height:76px}
  .brands-row .brand-logo-item,.brands-row .navien-logo,.brands-row .rinnai-logo,.brands-row .daewoo-logo,.brands-row .hubert-logo{font-size:22px!important}
  .brands-row .hubert-logo svg{width:22px;height:22px}
  .section{padding:42px 0}
  .section h2{font-size:32px;margin-bottom:22px}
  .service-card{padding:18px;grid-template-columns:46px minmax(0,1fr) 30px}
  .service-card h3{font-size:17px}
  .benefit-grid{gap:16px}
  .benefit p{font-size:12px}
  .stats-card{min-height:135px}
  .steps{gap:12px}
  .step{background:transparent;border:0;min-height:0;padding:8px 6px}
  .step b{width:48px;height:48px;font-size:21px}
  .step p{font-size:12.5px}
  .consult-card{grid-template-columns:240px minmax(0,1fr)}
  .reviews-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .review-card:last-child{grid-column:auto}
  .review-card{padding:17px}
  .cta-inner{min-height:170px;grid-template-columns:minmax(300px,1fr) minmax(250px,310px)}
  .site-footer{padding-bottom:40px}
  .footer-inner{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:28px}
  .footer-logo{width:196px}
  .footer-nav{display:flex;justify-content:center;gap:18px}
  .footer-nav a{font-size:12px;white-space:nowrap}
  .footer-contact{grid-column:auto;align-items:flex-start}
  .floating-wa{display:none}
}

/* 900+ — tablets landscape / compact laptops: true split hero */
@media (min-width:900px){
  .menu-toggle{display:none}
  .main-nav{position:static;display:flex!important;flex-direction:row;margin-left:auto;padding:0;background:none;border:0;border-radius:0;box-shadow:none;gap:15px}
  .main-nav a{min-height:0;padding:8px 2px;border-radius:0;font-size:12px;white-space:nowrap}
  .main-nav a:hover{background:none;color:var(--gold)}
  .header-actions{display:flex;align-items:center;gap:12px}
  .header-actions .phone{display:none}
  .header-actions .btn{min-height:42px;padding:10px 13px;font-size:11.5px}
  .hero-grid{grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:28px;min-height:510px}
  .hero-image{position:relative;inset:auto;grid-column:2;grid-row:1;min-height:510px;background-position:center center}
  .hero-image::after{background:linear-gradient(90deg,#071014 0%,rgba(7,16,20,.40) 9%,rgba(7,16,20,.03) 25%);box-shadow:inset 0 0 80px rgba(0,0,0,.19)}
  .hero-copy{grid-column:1;grid-row:1;padding:42px 0;justify-content:center;max-width:610px;margin-left:auto;width:100%}
  .hero h1{font-size:clamp(54px,5.8vw,64px)}
  .hero-features{max-width:590px}
  .service-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .service-card:nth-child(4){grid-column:1 / 2}
  .service-card:nth-child(5){grid-column:2 / 3}
  .benefits-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:end;gap:24px}
  .stats-card{grid-template-columns:1fr;align-content:center;gap:8px}
  .stats-card div{justify-content:flex-start;flex-direction:row;text-align:left}
  .process-layout{grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr);gap:24px;align-items:start}
  .consult-card{grid-template-columns:150px minmax(0,1fr);min-height:184px}
  .consult-card img{min-height:184px}
  .consult-card>div{padding:18px}
  .consult-card h3{font-size:20px}
  .consult-card .btn{min-width:0;width:100%}
  .cta-inner{grid-template-columns:minmax(330px,1fr) 280px 180px;grid-template-areas:"title button quick";gap:22px;min-height:138px}
  .cta-inner h2{font-size:27px}
  .cta-inner>.btn{align-self:center}
  .quick{align-self:center}
}

/* 1024+ — laptops */
@media (min-width:1024px){
  .container{width:min(var(--container),calc(100% - 56px))}
  .header-inner{gap:20px}
  .brand-logo{width:212px}
  .main-nav{gap:20px}
  .main-nav a{font-size:12.5px}
  .header-actions .btn{font-size:12px;padding-inline:15px}
  .hero-grid{grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:34px;min-height:530px}
  .hero-image{min-height:530px}
  .hero h1{font-size:clamp(58px,5.5vw,66px)}
  .hero-lead{font-size:20px}
  .section{padding:44px 0}
  .service-card{min-height:136px}
  .benefits-layout{grid-template-columns:minmax(0,1fr) 340px;gap:28px}
  .benefit-grid{gap:18px}
  .stats-card{min-height:150px;padding:18px 22px;background-size:62% auto}
  .process-layout{grid-template-columns:minmax(0,1.35fr) minmax(350px,.8fr);gap:28px}
  .consult-card{grid-template-columns:165px minmax(0,1fr);min-height:190px}
  .consult-card img{min-height:190px}
  .review-card{min-height:220px}
  .footer-inner{gap:36px}
  .footer-nav{gap:23px}
  .footer-nav a{font-size:12.5px}
}

/* 1180+ — desktop */
@media (min-width:1180px){
  .header-actions .phone{display:flex}
  .header-actions{gap:16px}
  .main-nav{gap:22px}
  .hero-grid{gap:42px;min-height:560px}
  .hero-image{min-height:560px}
  .hero-copy{padding:46px 0}
  .hero h1{font-size:68px}
  .hero-lead{font-size:21px}
  .hero-features{margin:28px 0 25px;gap:18px}
  .hero-features b{font-size:11.5px}
  .service-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
  .service-card,.service-card:nth-child(4),.service-card:nth-child(5){grid-column:auto}
  .service-card{min-height:154px;padding:18px 13px;grid-template-columns:42px minmax(0,1fr) 26px;gap:11px;align-items:start}
  .service-card .icon-circle{width:42px;height:42px;flex-basis:42px}
  .service-card h3{font-size:15px;margin-top:1px}
  .service-card p{font-size:12px}
  .card-arrow{width:28px;height:28px;align-self:end}
  .benefits-layout{grid-template-columns:minmax(0,1fr) 355px}
  .benefit-grid{gap:22px}
  .stats-card{min-height:154px}
  .process-layout{grid-template-columns:minmax(0,1.38fr) minmax(380px,.82fr)}
  .step-arrow{display:grid;place-items:center;color:#dfe3e5;padding-top:15px}
  .step-arrow svg{width:22px;height:22px}
  .steps{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
  .step{min-width:112px;flex:1}
  .consult-card{grid-template-columns:170px minmax(0,1fr)}
  .cta-inner{grid-template-columns:minmax(390px,1fr) 290px 210px;gap:26px}
  .cta-inner h2{font-size:29px}
}

/* 1440+ — large monitors */
@media (min-width:1440px){
  :root{--container:1240px}
  .container{width:min(var(--container),calc(100% - 72px))}
  .header-inner{min-height:76px}
  .brand-logo{width:222px}
  .main-nav{gap:27px}
  .main-nav a{font-size:13px}
  .hero-grid{min-height:590px;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:50px}
  .hero-image{min-height:590px}
  .hero-copy{max-width:650px;padding:50px 0}
  .hero h1{font-size:72px}
  .hero-lead{font-size:22px}
  .section{padding:48px 0}
  .section h2{font-size:34px}
  .service-card{min-height:160px;padding:20px 15px}
  .benefit p{font-size:13px}
  .process-layout{gap:34px}
  .consult-card{grid-template-columns:185px minmax(0,1fr);min-height:200px}
  .consult-card img{min-height:200px}
  .consult-card h3{font-size:23px}
  .review-card{padding:19px;min-height:230px}
  .review-card p{font-size:13px}
  .cta-inner{min-height:150px;grid-template-columns:minmax(420px,1fr) 300px 225px}
  .cta-inner h2{font-size:31px}
  .site-footer{padding:34px 0 42px}
  .footer-logo{width:210px}
}

/* 1920+ — keep content readable instead of stretching */
@media (min-width:1920px){
  :root{--container:1320px}
  .hero-grid{gap:64px}
  .hero-copy{max-width:680px}
  .hero h1{font-size:74px}
}

/* Accessibility / reduced motion */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* Final tablet balance refinements */
@media (min-width:600px) and (max-width:899px){
  .service-card:last-child{
    grid-column:1 / -1;
    width:calc(50% - 7px);
    justify-self:center;
  }
}

@media (min-width:768px) and (max-width:899px){
  .reviews-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .review-card:last-child{
    grid-column:1 / -1;
    width:calc(50% - 7px);
    justify-self:center;
  }
}

@media (min-width:768px) and (max-width:1023px){
  .footer-inner{
    grid-template-columns:auto minmax(0,1fr);
    grid-template-areas:
      "brand contact"
      "nav nav";
    gap:20px 32px;
    align-items:center;
  }
  .footer-inner>.brand{grid-area:brand}
  .footer-nav{
    grid-area:nav;
    display:flex;
    justify-content:flex-start;
    flex-wrap:wrap;
    gap:10px 22px;
    padding-top:14px;
    border-top:1px solid rgba(255,255,255,.06);
  }
  .footer-contact{grid-area:contact;justify-self:end;align-items:flex-start}
}

@media (min-width:900px) and (max-width:1179px){
  .service-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .service-card{grid-column:span 2}
  .service-card:nth-child(4){grid-column:2 / span 2}
  .service-card:nth-child(5){grid-column:4 / span 2}
}

@media (min-width:1024px){
  .footer-inner{
    grid-template-columns:auto minmax(0,1fr) auto;
    grid-template-areas:none;
    gap:36px;
    align-items:center;
  }
  .footer-inner>.brand,.footer-nav,.footer-contact{grid-area:auto}
  .footer-nav{padding-top:0;border-top:0;justify-content:center;flex-wrap:nowrap}
  .footer-contact{justify-self:auto}
}

/* Safe-area support for modern phones with notches / rounded display cutouts */
.site-header{padding-top:env(safe-area-inset-top)}
.container{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
@media (max-width:767px){
  .site-footer{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
}

/* 1366–1439 — standard desktop refinement */
@media (min-width:1366px) and (max-width:1439px){
  .container{width:min(1200px,calc(100% - 64px))}
  .hero-grid{gap:46px}
  .service-grid{gap:14px}
}

/* RESTORED: original CTA appearance before responsive redesign */
/* CTA — aligned to approved KotelPro mockup */
.cta-band{
    margin-top:20px;
    position:relative;
    overflow:hidden;
    min-height:86px;
    background:
        linear-gradient(90deg,
            rgba(111,56,22,.95) 0%,
            rgba(82,40,15,.90) 24%,
            rgba(39,25,18,.70) 44%,
            rgba(10,16,19,.16) 66%,
            rgba(5,10,12,.02) 100%
        ),
        url('assets/ogonek-cta-refblue2.png') calc(100% - 100px) center / 430px auto no-repeat;

    border-top:1px solid rgba(255,255,255,.08);
    border-bottom:1px solid rgba(255,255,255,.08);
}
.cta-band::before{content:none!important}
.cta-inner{
  min-height:86px;
  padding:0 350px 0 0;
  display:grid;
  grid-template-columns:minmax(330px,1fr) 300px 175px;
  gap:18px;
  align-items:center;
  position:relative;
  z-index:1;
}
.cta-inner h2{
  margin:0;
  max-width:355px;
  font-size:23px;
  line-height:1.06;
  letter-spacing:-.45px;
  font-weight:800;
  color:#fff;
  text-shadow:0 2px 10px rgba(0,0,0,.28);
}
.cta-inner>.btn{
  width:285px;
  min-width:285px;
  height:44px;
  padding:0 18px;
  justify-self:center;
  border-radius:10px;
  font-size:13px;
  font-weight:800;
  box-shadow:0 8px 18px rgba(244,180,39,.18);
}
.cta-inner>.btn svg{width:19px;height:19px}
.quick{
  display:flex;
  align-items:center;
  gap:12px;
  justify-self:start;
  min-width:175px;
  padding:0;
  margin:0;
  background:transparent!important;
  border:0!important;
  box-shadow:none!important;
  white-space:nowrap;
}
.quick-icon{
  width:44px;
  height:44px;
  flex:0 0 44px;
  border:2px solid #1ac55d;
  border-radius:50%;
  display:grid;
  place-items:center;
  color:#fff;
  background:rgba(3,12,14,.56);
  box-shadow:0 0 0 2px rgba(0,0,0,.22) inset;
}
.quick-icon svg{width:19px;height:19px}
.quick-copy{display:flex;flex-direction:column;gap:2px;min-width:0}
.quick-copy span,.quick-copy strong{
  margin:0;
  padding:0;
  background:transparent!important;
  color:#fff;
  font-size:12px;
  line-height:1.16;
  text-shadow:0 1px 6px rgba(0,0,0,.22);
  text-align:left;
}
.quick-copy strong{font-weight:700}

@media (max-width:1180px){
  .cta-band{background-size:286px 82px;min-height:82px;background-position:calc(100% + 8px) center}
  .cta-inner{min-height:82px;padding-right:300px;grid-template-columns:minmax(280px,1fr) 270px 165px;gap:14px}
  .cta-inner h2{font-size:21px;max-width:330px}
  .cta-inner>.btn{width:265px;min-width:265px}
}
@media (max-width:900px){
  .cta-band{background-size:245px 76px;min-height:76px;background-position:calc(100% + 6px) center}
  .cta-inner{min-height:76px;padding-right:250px;grid-template-columns:minmax(220px,1fr) 220px 150px;gap:12px}
  .cta-inner h2{font-size:18px;max-width:270px}
  .cta-inner>.btn{width:225px;min-width:225px;height:40px;font-size:12px}
  .quick{min-width:165px;gap:8px}
  .quick-icon{width:40px;height:40px;flex-basis:40px}
}
@media (max-width:780px){
  .cta-band{
    min-height:0;
    background:
      linear-gradient(90deg,rgba(89,43,15,.95),rgba(12,17,19,.74)),
      url('assets/ogonek-cta-refblue2.png') right bottom/360px auto no-repeat;
  }
  .cta-inner{
    min-height:0;
    grid-template-columns:1fr;
    gap:14px;
    padding:22px 0;
  }
  .cta-inner h2{font-size:25px;max-width:none}
  .cta-inner>.btn{width:100%;min-width:0;justify-self:stretch;height:48px}
  .quick{justify-self:start;min-width:0}
}

/* Original CTA punctuation safety */
.cta-inner h2{overflow:visible;padding-right:8px}
.cta-now{display:inline-block;padding-right:.14em;overflow:visible}
@media (max-width:780px){.cta-inner h2{padding-right:10px}}



/* Expanded services + detailed installation/heating sections */
.service-card-link{
  color:inherit;
  text-decoration:none;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.service-card-link:hover{
  transform:translateY(-2px);
  border-color:rgba(244,180,39,.38);
  background:linear-gradient(145deg,#16242a,#111b20);
  box-shadow:0 20px 50px rgba(0,0,0,.34);
}
.service-card-link:hover .card-arrow{border-color:var(--gold);color:var(--gold-2)}
.service-card-link:focus-visible{outline:2px solid var(--gold-2);outline-offset:4px}

.service-detail-section{
  position:relative;
  overflow:hidden;
  padding:42px 0;
  background:
    radial-gradient(circle at 88% 18%,rgba(244,180,39,.08),transparent 30%),
    linear-gradient(180deg,rgba(14,24,29,.72),rgba(7,16,20,.28));
  border-top:1px solid rgba(255,255,255,.045);
  border-bottom:1px solid rgba(255,255,255,.045);
}
.service-detail-alt{
  background:
    radial-gradient(circle at 12% 82%,rgba(244,180,39,.065),transparent 30%),
    linear-gradient(180deg,rgba(7,16,20,.18),rgba(14,24,29,.66));
}
.service-detail-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  align-items:stretch;
}
.service-detail-copy,
.service-detail-panel{
  min-width:0;
  border:1px solid rgba(255,255,255,.065);
  border-radius:20px;
  box-shadow:var(--shadow);
}
.service-detail-copy{
  padding:22px 18px;
  background:linear-gradient(145deg,rgba(18,30,36,.97),rgba(11,20,24,.98));
}
.detail-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 11px;
  margin-bottom:13px;
  border:1px solid rgba(244,180,39,.55);
  border-radius:999px;
  color:var(--gold-2);
  background:rgba(244,180,39,.055);
  font-size:10.5px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.03em;
}
.detail-eyebrow svg{width:18px;height:18px;flex:0 0 auto}
.service-detail-copy h2{
  margin:0 0 12px;
  max-width:760px;
  font-size:clamp(27px,7vw,36px);
  line-height:1.08;
  letter-spacing:-.75px;
}
.detail-lead{
  margin:0;
  max-width:760px;
  color:#d8dfe2;
  font-size:14px;
  line-height:1.55;
}
.detail-list{
  display:grid;
  grid-template-columns:1fr;
  gap:9px;
  margin:20px 0 22px;
}
.detail-list>div{
  min-width:0;
  display:flex;
  align-items:center;
  gap:9px;
  padding:10px 11px;
  border:1px solid rgba(255,255,255,.055);
  border-radius:11px;
  background:rgba(255,255,255,.025);
  color:#edf1f2;
  font-size:12.5px;
  line-height:1.32;
}
.detail-list>div>span{
  width:25px;height:25px;flex:0 0 25px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(244,180,39,.13);
  color:var(--gold-2);
}
.detail-list svg{width:15px;height:15px}
.detail-cta{width:100%;max-width:330px}

.service-detail-panel{
  position:relative;
  overflow:hidden;
  padding:22px 18px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  background:
    radial-gradient(circle at 85% 15%,rgba(244,180,39,.13),transparent 27%),
    linear-gradient(145deg,#171f22,#0d1519);
}
.service-detail-panel::after{
  content:"";
  position:absolute;
  right:-58px;bottom:-68px;
  width:185px;height:185px;
  border:1px solid rgba(244,180,39,.08);
  border-radius:50%;
  box-shadow:0 0 0 28px rgba(244,180,39,.02),0 0 0 56px rgba(244,180,39,.015);
  pointer-events:none;
}
.detail-panel-icon{
  width:62px;height:62px;
  display:grid;place-items:center;
  margin-bottom:16px;
  border:1px solid rgba(244,180,39,.42);
  border-radius:17px;
  color:var(--gold-2);
  background:rgba(244,180,39,.07);
}
.detail-panel-icon svg{width:34px;height:34px}
.detail-panel-kicker{
  position:relative;z-index:1;
  color:var(--gold-2);
  font-size:11px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.05em;
}
.service-detail-panel h3{
  position:relative;z-index:1;
  margin:6px 0 9px;
  font-size:23px;
  line-height:1.12;
}
.service-detail-panel p{
  position:relative;z-index:1;
  margin:0;
  color:#c8d0d4;
  font-size:12.5px;
  line-height:1.5;
}
.detail-flow{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  gap:8px;
  align-items:center;
  margin-top:20px;
}
.detail-flow span{
  min-height:38px;
  display:grid;place-items:center;
  padding:7px 8px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:10px;
  background:rgba(255,255,255,.035);
  color:#f1f3f4;
  font-size:11px;
  font-weight:750;
  text-align:center;
}
.detail-flow i{display:none;color:var(--gold);font-style:normal;font-weight:800}

@media (min-width:600px){
  .service-detail-section{padding:46px 0}
  .service-detail-copy,.service-detail-panel{padding:26px}
  .detail-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .detail-flow{grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:7px}
  .detail-flow i{display:block}
}

@media (min-width:900px){
  .service-detail-section{padding:52px 0}
  .service-detail-layout{grid-template-columns:minmax(0,1.36fr) minmax(300px,.64fr);gap:20px}
  /* Keep the main heating description in the wide left column and the compact summary panel on the right. */
  .service-detail-alt .service-detail-copy{order:1}
  .service-detail-alt .service-detail-panel{order:2}
  .service-detail-copy{padding:30px}
  .service-detail-panel{padding:28px}
  .detail-lead{font-size:14.5px}
  .detail-list>div{font-size:12.8px}
}

@media (min-width:1180px){
  .service-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
  .service-card,.service-card:nth-child(4),.service-card:nth-child(5){grid-column:auto}
  .service-card{min-height:148px;padding:18px 14px;grid-template-columns:42px minmax(0,1fr) 26px;gap:11px;align-items:start}
  .service-card h3{font-size:15.5px}
  .service-card p{font-size:12px}
  .service-detail-layout{grid-template-columns:minmax(0,1.42fr) minmax(330px,.58fr);gap:24px}
  .service-detail-copy{padding:34px}
  .service-detail-panel{padding:32px}
  .service-detail-panel h3{font-size:26px}
}

/* With seven service cards, keep the tablet/laptop rows balanced. */
@media (min-width:900px) and (max-width:1179px){
  .service-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .service-card,.service-card:nth-child(4),.service-card:nth-child(5){grid-column:auto}
  .service-card:last-child{grid-column:1 / -1;width:calc(50% - 7px);justify-self:center}
}
/* WhatsApp и телефон в одну линию на ноутбуках */
@media (min-width:1024px) and (max-width:1179px){
  .header-inner{
    gap:12px;
  }

  .brand-logo{
    width:180px;
  }

  .main-nav{
    gap:10px;
  }

  .main-nav a{
    font-size:11px;
    padding-inline:1px;
  }

  .header-actions{
    display:flex;
    flex-direction:row;
    align-items:center;
    gap:14px;
    flex:0 0 auto;
  }

  .header-actions .btn{
    min-height:38px;
    padding:8px 14px;
    font-size:11px;
    white-space:nowrap;
  }

  .header-actions .phone{
    display:flex !important;
    align-items:center;
    gap:7px;
    font-size:13px;
    font-weight:700;
    white-space:nowrap;
  }

  .header-actions .phone svg{
    width:17px;
    height:17px;
  }
}
.cta-band{
  position:relative !important;
  overflow:hidden !important;

  background:
    radial-gradient(
      circle at 18% 50%,
      rgba(245,174,43,.20) 0%,
      rgba(245,174,43,.08) 28%,
      transparent 48%
    ),
    radial-gradient(
      circle at 88% 45%,
      rgba(45,108,135,.18) 0%,
      rgba(45,108,135,.06) 30%,
      transparent 50%
    ),
    linear-gradient(
      90deg,
      #111719 0%,
      #0c1417 48%,
      #081216 100%
    ) !important;

  border-top:1px solid rgba(255,255,255,.07) !important;
  border-bottom:1px solid rgba(255,255,255,.07) !important;
}


/* Полностью отключаем старые фоновые изображения CTA */

.cta-band::before,
.cta-band::after{
  content:none !important;
  display:none !important;
  background:none !important;
}
.cta-inner{
  position:relative !important;
  z-index:2 !important;

  display:grid !important;
  grid-template-columns:1fr auto 1fr !important;
  align-items:center !important;
  gap:32px !important;

  width:100% !important;
  max-width:1280px !important;

  margin:0 auto !important;
  padding:18px 28px !important;

  background:transparent !important;
}


/* Текст слева */

.cta-copy{
  justify-self:start !important;
  align-self:center !important;

  margin:0 !important;
  padding:0 !important;

  text-align:left !important;

  background:transparent !important;
  border:none !important;
  box-shadow:none !important;
}


/* Кнопка WhatsApp по центру */

.cta-inner > .btn,
.cta-inner .btn{
  justify-self:center !important;
  align-self:center !important;

  margin:0 !important;

  white-space:nowrap;
}


/* Быстрый ответ справа */

.quick{
  justify-self:end !important;
  align-self:center !important;

  display:flex !important;
  align-items:center !important;
  justify-content:flex-end !important;

  gap:14px !important;

  margin:0 !important;
  padding:0 !important;

  background:transparent !important;
  border:none !important;
  box-shadow:none !important;
}


.quick-copy,
.quick-copy span,
.quick-copy strong{
  background:transparent !important;
  border:none !important;
  box-shadow:none !important;
}


.quick-copy{
  text-align:left !important;
}


/* ---------------------------------------------------------
   4. ПЛАНШЕТЫ
   --------------------------------------------------------- */

@media (max-width:1000px){

  .cta-inner{
    grid-template-columns:1fr auto !important;
    gap:18px 24px !important;

    padding:20px 22px !important;
  }

  .cta-copy{
    grid-column:1 / -1 !important;

    justify-self:center !important;
    text-align:center !important;
  }

  .cta-inner > .btn,
  .cta-inner .btn{
    justify-self:center !important;
  }

  .quick{
    justify-self:center !important;
  }
}


/* ---------------------------------------------------------
   5. ТЕЛЕФОНЫ
   --------------------------------------------------------- */

@media (max-width:700px){

  .cta-inner{
    display:flex !important;
    flex-direction:column !important;

    align-items:center !important;
    justify-content:center !important;

    gap:16px !important;

    padding:22px 18px !important;
  }

  .cta-copy{
    width:100% !important;

    text-align:center !important;
    justify-self:center !important;
  }

  .cta-inner > .btn,
  .cta-inner .btn{
    width:100% !important;
    max-width:360px !important;

    justify-content:center !important;
  }

  .quick{
    width:100% !important;

    justify-content:center !important;
    justify-self:center !important;
  }

  .quick-copy{
    text-align:left !important;
  }
}