*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#202329;background:#fff}a{color:inherit;text-decoration:none}.wrap{width:min(1240px,100%);margin:0 auto;padding:0 20px}header{background:#fff}.nav{min-height:112px;display:flex;align-items:center;justify-content:space-between;gap:35px}.brand{flex:none}.brand img{display:block;width:190px;max-height:86px;object-fit:contain}.nav nav{display:flex;align-items:center;gap:40px;margin-left:auto;font-size:16px;font-weight:600}.nav nav a:hover{color:#006ec1}.phone{display:inline-flex;align-items:center;justify-content:center;gap:16px;flex:none;border-radius:999px;background:#006fc4;color:#fff;padding:18px 36px;font-size:24px;font-weight:700;letter-spacing:.02em}.phone:hover,.btn-primary:hover{background:#00559e}.phone span{font-size:28px}.hero{position:relative;min-height:640px;overflow:hidden;color:#fff;background:#15283a}.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;animation:cycle 24s infinite;opacity:0}.slide-one{background-image:url('/obiekt-techniczny.webp');opacity:1}.slide-two{background-image:url('/serwis-na-obiekcie.webp');animation-delay:8s}.slide-three{background-image:url('/dokumentacja-techniczna.webp');animation-delay:16s}@keyframes cycle{0%,31%{opacity:1}36%,95%{opacity:0}100%{opacity:1}}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,23,39,.86) 0%,rgba(18,25,42,.68) 42%,rgba(18,25,42,.26) 100%)}.hero-body{position:relative;z-index:1;padding-top:105px;padding-bottom:100px}.hero-content{max-width:610px}.hero h1{font-size:clamp(42px,4.5vw,58px);line-height:1.07;letter-spacing:-.03em;margin:0 0 28px;font-weight:750}.hero h2{font-size:28px;line-height:1.2;color:#fff;margin:0 0 8px}.hero ul{list-style:none;margin:0 0 22px;padding:0;font-size:26px;line-height:1.25;font-weight:700}.hero li:before{content:"– "}.hero p{font-size:21px;line-height:1.5;margin:0 0 26px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;justify-content:center;align-items:center;gap:12px;padding:15px 24px;border-radius:5px;font-weight:700;font-size:13px;letter-spacing:.02em}.btn-primary{background:#006fc4;color:white}.btn-outline{border:1px solid #fff;color:#fff}.btn-outline:hover{background:#fff;color:#006fc4}.trust{background:#102949;color:#fff}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-top:29px;padding-bottom:30px}.trust-row>div{display:flex;align-items:flex-start;gap:18px}.trust-row b{font-size:34px;color:#fff;font-weight:400}.trust-row span{display:grid;gap:7px}.trust-row strong{font-size:17px;line-height:1.3;color:#87c7f1}.trust-row small{font-size:14px;line-height:1.5;color:#eef4f7}.eyebrow{display:block;color:#72bce9;font-size:13px;letter-spacing:.04em;font-weight:800;margin-bottom:12px}.eyebrow.light{color:#aeddf8}h2{font-size:clamp(30px,3vw,43px);line-height:1.2;letter-spacing:-.02em;margin:0;color:#1e2023}h2 em{font-style:normal;color:inherit}.section{padding-top:95px;padding-bottom:95px}.about{background:#fff;padding:100px 0}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}.about-image{min-height:480px;position:relative}.about-image img{position:absolute;width:82%;height:92%;right:0;top:0;object-fit:cover;border-radius:8px}.image-tag{position:absolute;left:0;bottom:0;background:#102b57;color:#fff;padding:28px 24px;font-size:21px;font-weight:700;line-height:1.35;width:48%;min-height:150px;display:flex;align-items:center;border-radius:8px}.about-copy p,.section-head p,.center-heading p,.areas p{font-size:16px;line-height:1.7;color:#555e66}.about-copy p{margin:23px 0}.ticks{display:grid;gap:12px;margin:24px 0 30px;color:#3f4e5d;font-size:15px}.center-heading{text-align:center;max-width:800px;margin:0 auto 42px}.center-heading p{margin:18px auto 0}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.service-card{border:1px solid #e3e9ee;border-radius:6px;overflow:hidden;background:#fff;box-shadow:0 5px 20px #162b4110;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}.service-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px #162b4126}.service-card img{width:100%;height:230px;object-fit:cover}.card-copy{padding:25px;display:flex;flex:1;flex-direction:column}.service-card h3{font-size:21px;line-height:1.3;margin:0 0 12px;color:#122b4b}.service-card p{color:#59656c;line-height:1.6;font-size:15px;flex:1}.card-link,.text-link{color:#006fc4;font-size:14px;font-weight:700}.card-link b{font-size:18px;margin-left:5px}.section-head{display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:60px;margin-bottom:40px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.steps>div,.steps>article{border-top:3px solid #0072c6;padding:22px 10px 0 0}.steps span{color:#0072c6;font-size:18px;font-weight:bold}.steps h3{font-size:20px;margin:18px 0 12px;color:#132d4f}.steps p{color:#586a76;font-size:15px;line-height:1.7}.areas{background:#eff7fc;padding:75px 0}.areas-inner{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px}.areas p{margin:0 0 16px}.contact{background:#102b57;color:#fff;padding:80px 0}.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.contact h2{color:#fff}.contact p{color:#d4e3ee;line-height:1.7}.contact-links{display:grid;gap:10px}.contact-links a{position:relative;display:flex;flex-direction:column;gap:8px;padding:20px 24px;border:1px solid #6885a1;border-radius:5px}.contact-links a:hover{border-color:#fff}.contact-links small{font-size:11px;letter-spacing:.1em;color:#a9d5ed}.contact-links strong{font-size:19px;overflow-wrap:anywhere}.contact-links span{position:absolute;right:20px;top:30px}footer{background:#071c35;color:#c6d7e4;padding-top:60px}.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px;padding-bottom:50px}.foot div{display:flex;flex-direction:column;gap:12px}.foot strong{color:white}.foot p{line-height:1.6;max-width:320px;font-size:14px}.footbrand{font-weight:bold;font-size:23px;color:white}.footbrand b{color:#79c4ed}.foot a,.foot span{font-size:14px}.legal{border-top:1px solid #405369;padding-top:20px;padding-bottom:20px;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:#9bb2c2}.subhero{color:#fff;background:linear-gradient(90deg,rgba(11,29,50,.9),rgba(11,29,50,.55)),url('/klimatyzacja-i-wentylacja.webp') center/cover;padding:58px 0 85px}.back{display:block;color:#d6ebf6;font-size:13px;margin-bottom:55px}.subhero h1{font-size:clamp(38px,4.6vw,60px);line-height:1.1;margin:0;max-width:900px}.subhero h1 em{font-style:normal;color:#a9d9f2;font-size:.65em}.subhero p{color:#eef8fb;font-size:18px;line-height:1.7;max-width:700px}.detail-note{background:#eff7fc;padding:28px;margin-top:45px;border-left:4px solid #0072c6}.detail-note h3{margin:0 0 12px}.detail-note p{color:#526776;line-height:1.65;margin:0}@media(prefers-reduced-motion:reduce){.hero-slide{animation:none}.slide-one{opacity:1}.slide-two,.slide-three{opacity:0}html{scroll-behavior:auto}}@media(max-width:760px){.wrap{padding-left:18px;padding-right:18px}.nav{min-height:unset;gap:10px;flex-wrap:wrap;padding-top:10px;padding-bottom:12px}.brand img{width:130px;max-height:65px}.phone{padding:12px 17px;font-size:15px}.phone span{font-size:17px}.nav nav{order:3;width:100%;justify-content:space-between;gap:4px;padding-top:10px;font-size:13px}.hero{min-height:580px}.hero-body{padding-top:70px;padding-bottom:65px}.hero h1{font-size:40px}.hero h2{font-size:22px}.hero ul{font-size:19px}.hero p{font-size:17px}.trust-row{grid-template-columns:1fr;gap:23px}.trust-row>div{gap:15px}.about{padding:65px 0}.about-grid,.section-head,.areas-inner,.contact-inner{grid-template-columns:1fr;gap:30px}.about-image{min-height:340px}.about-image img{width:85%;height:95%}.image-tag{width:52%;font-size:17px;padding:18px;min-height:120px}.service-grid,.steps{grid-template-columns:1fr}.service-card img{height:220px}.section{padding-top:70px;padding-bottom:70px}.areas,.contact{padding:65px 0}.foot{grid-template-columns:1fr 1fr;gap:28px}.foot div:first-child{grid-column:1/-1}.legal{flex-direction:column}.subhero{padding:42px 0 70px}.subhero h1{font-size:38px}}
/* Four service areas keep heating visible alongside ventilation and cooling. */
.service-grid,.trust-row{grid-template-columns:repeat(4,minmax(0,1fr))}
.trust-row{gap:22px}
@media(max-width:1000px){.service-grid,.trust-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.service-grid,.trust-row{grid-template-columns:1fr}}

.subhero.obsluga-ogrzewania{background-image:linear-gradient(90deg,rgba(11,29,50,.9),rgba(11,29,50,.55)),url("/prace-hydrauliczne.webp")}
.faq-section{background:#fff}
.faq-layout{display:grid;grid-template-columns:0.9fr 1.1fr;gap:70px;align-items:start}
.faq-layout>div:first-child p{line-height:1.7;color:#59656c;max-width:380px;margin:22px 0}
.faq-list{border-top:1px solid #dce5eb}
.faq-list details{border-bottom:1px solid #dce5eb;padding:0}
.faq-list summary{cursor:pointer;list-style:none;position:relative;padding:21px 42px 21px 0;font-size:16px;line-height:1.45;font-weight:700;color:#172b3d}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:4px;top:15px;color:#0072c6;font-size:25px;font-weight:400}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{margin:0;padding:0 28px 22px 0;color:#586a76;font-size:15px;line-height:1.7}
.faq-list summary:focus-visible,.phone:focus-visible,.btn:focus-visible,a:focus-visible{outline:3px solid #009ad1;outline-offset:4px}
.practical{margin-top:65px;max-width:850px}
.practical h2{font-size:clamp(27px,3vw,37px)}
.practical p{font-size:16px;line-height:1.8;color:#536574}
.related{display:flex;flex-wrap:wrap;align-items:center;gap:15px 24px;margin-top:50px;font-size:14px;color:#142d4e}
.related a{color:#006fc4;font-weight:700}
@media(max-width:760px){.faq-layout{grid-template-columns:1fr;gap:25px}.practical{margin-top:45px}.related{align-items:flex-start;flex-direction:column}}
.works-section{background:#f4f8fb}
.photos-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.photos-grid.photos-preview{grid-template-columns:repeat(4,minmax(0,1fr))}
.photo-card{position:relative;display:block;background:#fff;overflow:hidden;border-radius:5px;box-shadow:0 4px 18px #162b4112}
.photo-card img{width:100%;height:225px;display:block;object-fit:cover;transition:transform .25s}
.photo-card:hover img{transform:scale(1.025)}
.photo-card span{display:block;min-height:58px;padding:18px 18px;color:#183451;font-size:14px;font-weight:700;line-height:1.4}
.works-action{text-align:center;margin-top:38px}
.photo-dialog{position:fixed;width:min(1120px,96vw);max-width:none;max-height:96vh;border:0;background:transparent;padding:0;color:#fff;overflow:visible}
.photo-dialog::backdrop{background:rgba(4,14,27,.94)}
.photo-view{position:relative;display:flex;align-items:center;justify-content:center;min-height:220px;padding:45px 55px}
.photo-full{max-width:100%;max-height:78vh;object-fit:contain;display:block}
.photo-close,.photo-prev,.photo-next{position:absolute;border:0;background:rgba(8,36,61,.82);color:white;cursor:pointer;display:grid;place-items:center;border-radius:4px}
.photo-close{right:5px;top:2px;width:42px;height:42px;font-size:32px}
.photo-prev,.photo-next{top:45%;width:42px;height:58px;font-size:42px;line-height:1}
.photo-prev{left:0}.photo-next{right:0}
.photo-caption{position:absolute;bottom:0;left:55px;right:55px;margin:0;text-align:center;font-size:14px;line-height:1.4}
.photo-dialog button:focus-visible{outline:3px solid #9adcf9;outline-offset:3px}
@media(max-width:1000px){.photos-grid.photos-preview{grid-template-columns:repeat(2,minmax(0,1fr))}.photos-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.nav nav{font-size:12px}.photos-grid,.photos-grid.photos-preview{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.photo-card img{height:155px}.photo-card span{min-height:58px;padding:12px;font-size:12px}.photo-view{padding:48px 34px 55px}.photo-prev,.photo-next{width:30px;height:48px;font-size:32px}.photo-caption{left:30px;right:30px}}

/* Zdjęcia z realizacji 3 CITY HVAC */
.slide-one{background-image:url('/agregat-techniczny-na-dachu-hero.webp');background-position:center 53%}
.slide-two{background-image:url('/centrala-na-dachu-hero.webp');background-position:center 50%}
.slide-three{background-image:url('/urzadzenie-wentylacyjne-na-dachu-hero.webp');background-position:center 55%}
.subhero{background-image:linear-gradient(90deg,rgba(11,29,50,.92),rgba(11,29,50,.57)),url('/realizacje-zdjecia/agregat-sprezarki.webp')}
.subhero.serwis-klimatyzacji{background-image:linear-gradient(90deg,rgba(11,29,50,.92),rgba(11,29,50,.57)),url('/serwis-jednostek-vrf.webp')}
.subhero.serwis-wentylacji{background-image:linear-gradient(90deg,rgba(11,29,50,.92),rgba(11,29,50,.57)),url('/realizacje-zdjecia/centrala-wentylacyjna.webp')}
.subhero.obsluga-ogrzewania{background-image:linear-gradient(90deg,rgba(11,29,50,.92),rgba(11,29,50,.57)),url('/realizacje-zdjecia/sterowanie-i-rurociagi.webp')}
.subhero.obsluga-hvac{background-image:linear-gradient(90deg,rgba(11,29,50,.92),rgba(11,29,50,.57)),url('/realizacje-zdjecia/zespol-sprezarek.webp')}

.contact-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,70px);align-items:start}
.contact-intro{padding-top:12px}.contact-intro .contact-links{margin-top:30px}.contact-intro .contact-links a{max-width:490px}
.inquiry-panel{background:#fff;color:#102b57;border-radius:12px;padding:clamp(24px,3.2vw,42px);box-shadow:0 18px 50px rgba(0,0,0,.15)}
.inquiry-kicker{display:block;color:#0078c4;font-size:11px;font-weight:700;letter-spacing:.12em;margin-bottom:12px}.inquiry-panel h3{font-size:clamp(25px,2.4vw,32px);line-height:1.15;margin:0;color:#102b57}.inquiry-panel>p{color:#566b7c;font-size:15px;margin:10px 0 24px;line-height:1.55}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-grid label{display:block;color:#183755;font-size:13px;font-weight:700}.form-grid label span{color:#0078c4}.form-grid .full{grid-column:1/-1}.form-grid input,.form-grid select,.form-grid textarea{display:block;box-sizing:border-box;width:100%;margin-top:8px;border:1px solid #bdceda;border-radius:6px;background:#f8fbfd;color:#17324d;font:inherit;font-weight:400;padding:13px 14px;min-height:48px}.form-grid textarea{resize:vertical}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{outline:2px solid #73bfe9;outline-offset:1px;border-color:#0078c4}.form-grid input::placeholder,.form-grid textarea::placeholder{color:#738694}
.form-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.inquiry-submit{border:0;border-radius:6px;background:#0072c6;color:#fff;font-weight:750;font-size:15px;padding:16px 22px;margin-top:22px;cursor:pointer}.inquiry-submit:hover{background:#005d9f}.inquiry-submit:disabled{opacity:.6;cursor:wait}.inquiry-submit span{margin-left:18px}.inquiry-form .form-status{font-size:14px;font-weight:700;color:#17623a;margin:12px 0 0}.inquiry-form .form-status:empty{display:none}.inquiry-form .form-status.is-error{color:#a12020}.inquiry-form .form-note{font-size:12px;line-height:1.55;color:#627485;margin:16px 0 0}
.foot-logo{display:inline-flex;align-self:flex-start;background:#fff;border-radius:7px;padding:8px 12px}.foot-logo img{display:block;width:162px;height:auto}
@media(max-width:760px){.contact-layout{grid-template-columns:1fr;gap:32px}.inquiry-panel{padding:24px}.form-grid{grid-template-columns:1fr;gap:15px}.form-grid .full{grid-column:auto}}

.foot-logo{background:transparent;border-radius:0;padding:0}
.foot-logo img{filter:brightness(0) invert(1);width:162px}
.quick-contact{position:fixed;right:20px;bottom:20px;z-index:40;display:flex;align-items:stretch;background:#fff;border:1px solid #c5d9e8;border-radius:12px;box-shadow:0 8px 28px rgba(7,28,53,.24);overflow:hidden}
.quick-contact a{min-height:52px;display:flex;align-items:center;justify-content:center;gap:9px;padding:0 18px;text-decoration:none;font-size:14px;font-weight:750;line-height:1.15;color:#12375a;white-space:nowrap}
.quick-contact a:first-child{background:#006fbc;color:#fff}.quick-contact a:hover{background:#dceefa}.quick-contact a:first-child:hover{background:#005b9b}.quick-contact a:focus-visible{outline:3px solid #64c8fb;outline-offset:-4px}
.quick-contact svg{width:19px;height:19px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
footer{padding-bottom:88px}
@media(max-width:760px){.quick-contact{left:0;right:0;bottom:0;border-radius:0;border:0;border-top:1px solid #c5d9e8;padding-bottom:env(safe-area-inset-bottom,0);display:grid;grid-template-columns:1fr 1fr}.quick-contact a{min-height:58px;padding:0 8px;font-size:14px}.quick-contact a:last-child{background:#fff}.quick-contact svg{width:18px;height:18px}footer{padding-bottom:calc(82px + env(safe-area-inset-bottom,0px))}}
@media(max-width:360px){.quick-contact a{font-size:12px;gap:5px}}