.fk-page{overflow-x:clip;background:#fff;color:var(--ink)}
.fk-page .h1,.fk-page .h2,.fk-page h3{letter-spacing:0}
.fk-section{padding:64px 0}
.fk-section--blue{background:linear-gradient(180deg,#f7fbfe,#eef7fd 54%,#f8fcff)}
.fk-section .h2{margin-top:10px;max-width:760px}
.fk-section .h2--center{margin-left:auto;margin-right:auto}

.fk-breadcrumbs{display:flex;align-items:center;gap:7px;padding:20px 0 6px;font-size:12px;color:#8493a1}
.fk-breadcrumbs a{color:#587083;transition:color .18s}
.fk-breadcrumbs a:hover{color:var(--blue)}
.fk-breadcrumbs svg{width:12px;height:12px}
.fk-hero{padding-bottom:46px;background:linear-gradient(180deg,#f5fbff,#fff)}
.fk-hero__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(430px,48%);gap:48px;align-items:center;min-height:510px}
.fk-hero__copy{padding:34px 0}
.fk-hero .h1{margin-top:14px;max-width:690px;font-size:clamp(34px,4.2vw,58px);line-height:1.06}
.fk-hero__sub{margin-top:18px;max-width:640px;font-size:clamp(18px,1.6vw,22px);line-height:1.38;font-weight:600;color:var(--ink-2)}
.fk-hero .lead{margin-top:16px;max-width:650px}
.fk-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

.fk-product-photo{overflow:hidden;border:1px solid #dceaf4;border-radius:16px;background:#eef4f7;box-shadow:var(--shadow-card)}
.fk-product-photo img{display:block;width:100%;height:100%;object-fit:contain}
.fk-product-photo--hero{height:570px;overflow:visible;border:0;background:transparent;box-shadow:none}
.fk-product-photo--hero img{object-fit:contain;object-position:center;transform:scale(1.28)}
.fk-product-photo--gallery{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);grid-template-rows:repeat(2,minmax(0,1fr));height:520px;padding:10px;gap:10px;background:#f4f7f9}
.fk-product-photo__main{grid-column:1;grid-row:1 / -1;min-width:0;min-height:0;object-fit:cover!important;border-radius:8px}
.fk-product-photo__details{display:contents}
.fk-product-photo__details img{min-width:0;min-height:0;object-fit:cover;border-radius:8px}
.fk-product-photo__details img:first-child{grid-column:2;grid-row:1}
.fk-product-photo__details img:last-child{grid-column:2;grid-row:2}
.fk-hero__features{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid #deebf4;border-radius:14px;background:#fff;box-shadow:var(--shadow-card)}
.fk-hero__features li{display:flex;align-items:center;justify-content:center;gap:12px;min-height:92px;padding:16px;border-left:1px solid #e2edf4;font-size:13px;line-height:1.4;font-weight:600;color:var(--ink-2)}
.fk-hero__features li:first-child{border-left:0}
.fk-hero__features svg{width:28px;height:28px;color:var(--blue)}

.fk-about{display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,46%);gap:56px;align-items:center}
.fk-about .lead{margin-top:18px;max-width:650px}
.fk-about__points{display:grid;gap:14px;margin-top:26px}
.fk-about__points article{display:flex;gap:14px;align-items:flex-start;padding:16px;border:1px solid #deebf4;border-radius:10px;background:#fff}
.fk-about__points svg{width:25px;height:25px;flex:none;color:var(--blue)}
.fk-about__points h3{font-size:15px}
.fk-about__points p{margin-top:4px;font-size:13px;line-height:1.5;color:var(--txt)}

.fk-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:30px}
.fk-benefits article{min-height:190px;padding:24px;border:1px solid #dceaf4;border-radius:12px;background:#fff;box-shadow:var(--shadow-card)}
.fk-benefits svg{width:34px;height:34px;color:var(--blue)}
.fk-benefits h3{margin-top:20px;font-size:16px}
.fk-benefits p{margin-top:8px;font-size:13px;line-height:1.55;color:var(--txt)}

.fk-video-layout{display:grid;gap:28px}
.fk-video-copy{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.7fr);gap:30px;align-items:end}
.fk-video-copy .eyebrow{grid-column:1;grid-row:1}
.fk-video-copy .h2{grid-column:1;grid-row:2}
.fk-video-copy .lead{grid-column:2;grid-row:1 / span 2;margin:0}
.fk-video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.fk-video-card{min-width:0}
.fk-video-card h3{margin-top:14px;font-size:17px}
.fk-video-card p{margin-top:5px;font-size:13px;line-height:1.5;color:var(--txt)}
.fk-video{position:relative;aspect-ratio:16/9;overflow:hidden;border:0;border-radius:16px;outline:0;background:#eef3f6;box-shadow:0 20px 50px rgba(29,86,125,.16)}
.fk-video video{display:block;width:100%;height:100%;border:0;outline:0;object-fit:contain;background:#eef3f6}
.fk-video media-player{display:block;width:100%;height:100%;border:0!important;outline:0!important;box-shadow:none!important;background:#eef3f6;--media-brand:#1688ce;--media-focus-ring-color:#fff;--media-slider-track-fill-bg:#1688ce}
.fk-video media-video-layout{transition:opacity .18s ease,visibility .18s ease}
.fk-video:not(.is-interactive) media-video-layout{visibility:hidden!important;opacity:0!important;pointer-events:none!important}
.fk-video.is-interactive media-video-layout{visibility:visible;opacity:1;pointer-events:auto}

.fk-cooling{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}
.fk-cooling article{display:grid;grid-template-columns:minmax(0,1fr) 42%;overflow:hidden;border:1px solid #dceaf4;border-radius:14px;background:#fff;box-shadow:var(--shadow-card)}
.fk-cooling__copy{padding:28px 14px 28px 28px}
.fk-cooling__copy>span{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}
.fk-cooling h3{margin-top:10px;font-size:21px}
.fk-cooling p{margin-top:12px;font-size:13px;line-height:1.55;color:var(--txt)}
.fk-cooling__media{min-height:240px;background:#edf3f6}
.fk-cooling__media img{display:block;width:100%;height:100%;object-fit:contain}

.fk-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:32px;counter-reset:steps}
.fk-steps li{position:relative;min-height:150px;padding:20px;border:1px solid #dceaf4;border-radius:12px;background:#fff;box-shadow:var(--shadow-card)}
.fk-steps li:not(:last-child):after{content:"";position:absolute;top:50%;right:-17px;width:17px;border-top:1px dashed #83badf}
.fk-steps li>span{position:absolute;right:16px;top:14px;font-size:12px;font-weight:700;color:#aac6d8}
.fk-steps svg{width:34px;height:34px;color:var(--blue)}
.fk-steps b{display:block;margin-top:24px;font-size:14px;line-height:1.35}
.fk-section-note{text-align:center;margin:22px auto 0;font-size:13px;color:var(--txt)}
.fk-center-btn{display:flex;width:max-content;margin:20px auto 0}

.fk-specs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px}
.fk-specs>div{padding:18px 20px;border:1px solid #dceaf4;border-radius:10px;background:#fff}
.fk-specs dt{font-size:12px;font-weight:600;text-transform:uppercase;color:#8194a3}
.fk-specs dd{margin-top:8px;font-size:14px;line-height:1.4;font-weight:600;color:var(--ink)}
.fk-table-details{margin-top:18px;border:1px solid #d9e8f2;border-radius:12px;background:#fff;overflow:hidden}
.fk-table-details summary{display:flex;align-items:center;justify-content:center;gap:10px;min-height:58px;padding:12px 20px;font-size:14px;font-weight:600;color:var(--blue);cursor:pointer;list-style:none}
.fk-table-details summary::-webkit-details-marker{display:none}
.fk-table-details summary svg{width:17px;height:17px;transition:transform .2s}
.fk-table-details[open] summary svg{transform:rotate(90deg)}
.fk-table-wrap{overflow-x:auto;border-top:1px solid #e3edf4}
.fk-table-wrap table{width:100%;min-width:940px;border-collapse:collapse;font-size:12px;text-align:center}
.fk-table-wrap caption{text-align:left;padding:16px 18px;font-weight:600;color:var(--ink)}
.fk-table-wrap th,.fk-table-wrap td{padding:12px 10px;border:1px solid #e4edf3;white-space:nowrap}
.fk-table-wrap thead th{background:#eaf5fc;color:#3f6076}
.fk-table-wrap tbody th{background:#f6fafd;text-align:left;color:var(--ink)}
.fk-table-note{padding:14px 18px;font-size:12px;line-height:1.5;color:#7a8996}

.fk-dual{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.8fr);gap:56px;align-items:center}
.fk-dual .lead{margin-top:16px}
.fk-dual__diagram{padding:34px;border:1px solid #dceaf4;border-radius:14px;background:#f4faff;text-align:center}
.fk-dual__diagram>b{display:inline-block;padding:14px 30px;border-radius:8px;background:var(--blue);color:#fff;font-size:18px}
.fk-dual__line{position:relative;display:block;width:58%;height:50px;margin:0 auto;border-left:2px solid #79b7dd;border-right:2px solid #79b7dd;border-bottom:2px solid #79b7dd}
.fk-dual__diagram>div{display:flex;justify-content:space-between;gap:18px}
.fk-dual__diagram>div span{width:44%;padding:12px;border:1px solid #bcd9eb;border-radius:8px;background:#fff;font-weight:600;color:var(--ink)}

.fk-apps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:28px}
.fk-apps article{display:flex;align-items:center;gap:13px;min-height:92px;padding:18px;border:1px solid #dceaf4;border-radius:10px;background:#fff}
.fk-apps svg{width:30px;height:30px;flex:none;color:var(--blue)}
.fk-apps h3{font-size:14px;line-height:1.35}
.fk-help{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:36px;align-items:center;margin-top:22px;padding:28px 30px;border-radius:14px;background:#fff;box-shadow:var(--shadow-card)}
.fk-help h3{font-size:20px}
.fk-help p{margin-top:8px;font-size:13px;line-height:1.5;color:var(--txt)}
.fk-help ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px}
.fk-help li{position:relative;padding-left:20px;font-size:13px;color:var(--ink-2)}
.fk-help li:before{content:"";position:absolute;left:0;top:5px;width:8px;height:8px;border-radius:50%;background:var(--blue)}

.fk-request{padding:70px 0;background:linear-gradient(145deg,#eef8ff,#fff)}
.fk-request__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(440px,520px);gap:58px;align-items:start}
.fk-request__copy .h2{margin-top:10px;max-width:620px}
.fk-request__copy .lead{margin-top:16px;max-width:600px}
.fk-request__note{display:flex;gap:14px;margin-top:28px;padding:18px;border:1px solid #cfe4f2;border-radius:10px;background:#fff}
.fk-request__note svg{width:26px;height:26px;flex:none;color:var(--blue)}
.fk-request__note p{font-size:13px;line-height:1.55;color:var(--txt)}
.fk-request__note b{color:var(--ink)}
.fk-form{padding:26px;border:1px solid #d5e7f2;border-radius:16px;background:#fff;box-shadow:var(--shadow-card)}
.fk-form label,.fk-form legend{font-size:12px;font-weight:600;color:var(--ink-2)}
.fk-form>label,.fk-form>fieldset,.fk-form__row{display:block;margin-top:16px}
.fk-form>label:first-child{margin-top:0}
.fk-form input[type="text"],.fk-form input[type="tel"],.fk-form textarea{width:100%;margin-top:7px;padding:12px 14px;border:1px solid #d8e5ed;border-radius:8px;background:#fbfdff;color:var(--ink);font:400 14px/1.4 "Onest",sans-serif;outline:none}
.fk-form textarea{resize:vertical;min-height:78px}
.fk-form input:focus,.fk-form textarea:focus{border-color:#73b9e3;box-shadow:0 0 0 3px rgba(42,143,199,.1)}
.fk-form__row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.fk-form fieldset{border:0}
.fk-form__choices{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.fk-form__choices label{cursor:pointer}
.fk-form__choices input{position:absolute;opacity:0;pointer-events:none}
.fk-form__choices span{display:flex;align-items:center;justify-content:center;min-height:42px;padding:8px 14px;border:1px solid #d8e5ed;border-radius:8px;background:#fff;font-weight:500}
.fk-form__choices input:checked+span{border-color:var(--blue);background:#edf7fd;color:var(--blue)}
.fk-file>span{display:block}
.fk-file input{width:100%;margin-top:7px;font-size:12px;color:#6d7c88}
.fk-file i{display:flex;align-items:center;gap:7px;margin-top:7px;font-size:11px;font-style:normal;font-weight:400;color:#8998a4}
.fk-file svg{width:15px;height:15px;color:var(--blue)}
.fk-form .btn{margin-top:20px}

.fk-final{padding:48px 0 0;background:linear-gradient(145deg,#eef8ff 0%,#f8fcff 56%,#fff 100%)}
.fk-final__grid{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(360px,.78fr);gap:30px;align-items:start}
.fk-final__copy .h2{max-width:700px;margin-top:10px;font-size:clamp(28px,2.15vw,34px);line-height:1.14}
.fk-final__copy>.lead{max-width:720px;margin-top:10px;font-size:16px;line-height:1.55}
.fk-final__benefits{margin-top:20px;padding:4px 24px 12px;background:#fff;border:1px solid #dceaf4;border-radius:14px;box-shadow:0 10px 28px rgba(22,80,118,.05)}
.fk-final__benefit{display:flex;align-items:center;gap:16px;min-height:74px;border-bottom:1px solid #e3edf4}
.fk-final__icon{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:#eaf6ff;color:#1684c8}
.fk-final__icon svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8}
.fk-final__benefit b,.fk-final__strip b{display:block;color:#101a26;font-size:15px;line-height:1.25}
.fk-final__benefit p{margin:3px 0 0;color:#6e7e90;font-size:14px}
.fk-final__note{display:flex;align-items:center;gap:14px;margin-top:12px;padding:12px 16px;border-radius:10px;background:#eef8ff;color:#6e7e90;font-size:14px}
.fk-final__note>svg{flex:0 0 27px;width:27px;height:27px;fill:none;stroke:#1684c8;stroke-width:1.8}
.fk-final__note b{color:#101a26}.fk-final__note p{margin:3px 0 0}
.fk-final__contact{padding:24px;background:#fff;border:1px solid #e4edf4;border-radius:14px;box-shadow:0 14px 36px rgba(22,80,118,.07)}
.fk-final__contact h3{margin:0 0 14px;color:#101a26;font-size:26px;line-height:1.15}
.fk-final__action{display:grid;grid-template-columns:46px minmax(0,1fr) 18px;align-items:center;gap:13px;min-height:66px;margin-top:10px;padding:9px 15px;border:1px solid #b9ddf4;border-radius:10px;color:#111c2a;text-decoration:none;cursor:pointer;transition:border-color .2s,transform .2s,box-shadow .2s}
.fk-final__action:hover{transform:translateY(-2px);border-color:#1684c8;box-shadow:0 10px 24px rgba(22,132,200,.1)}
.fk-final__action--wa{border-color:#b8ead1;background:#fbfffd}.fk-final__action--wa .fk-final__action-icon{background:#20c766;color:#fff}
.fk-final__action-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#edf7ff;color:#1684c8}
.fk-final__action-icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8}
.fk-final__action b{font-size:15px;line-height:1.25}.fk-final__action small{display:block;margin-top:3px;color:#7b899a;font-size:12px}
.fk-final__chevron{width:18px;height:18px;fill:none;stroke:#243245;stroke-width:2}
.fk-final__upload input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.fk-final__button{min-height:52px;margin-top:16px}
.fk-final__strip{display:grid;grid-template-columns:repeat(4,1fr);margin-top:24px;border-top:1px solid #dfeaf2}
.fk-final__strip>div{display:flex;align-items:center;gap:13px;min-height:92px;padding:15px 18px;border-right:1px solid #dfeaf2}
.fk-final__strip>div:last-child{border-right:0}.fk-final__strip p{margin:0}.fk-final__strip b{font-size:14px}.fk-final__strip small{display:block;margin-top:4px;color:#738296;font-size:12px;line-height:1.4}

@media(min-width:861px){
  .fk-final__contact{position:sticky;top:calc(var(--header-h) + 60px)}
}

@media(max-width:1200px){
  .fk-hero__grid{grid-template-columns:minmax(0,1fr) minmax(360px,44%);gap:30px}
  .fk-about{gap:34px}
  .fk-benefits{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fk-cooling article{grid-template-columns:minmax(0,1fr)}
  .fk-cooling__media{min-height:210px}
  .fk-request__grid{gap:34px}
}

@media(max-width:860px){
  .fk-section{padding:48px 0}
  .fk-breadcrumbs{overflow-x:auto;white-space:nowrap}
  .fk-hero__grid,.fk-about,.fk-dual,.fk-request__grid{grid-template-columns:minmax(0,1fr)}
  .fk-hero__grid{gap:8px;min-height:0}
  .fk-hero__copy{padding:28px 0 20px}
  .fk-product-photo--hero{height:360px}
  .fk-hero__features{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:20px}
  .fk-hero__features li:nth-child(3){border-left:0;border-top:1px solid #e2edf4}
  .fk-hero__features li:nth-child(4){border-top:1px solid #e2edf4}
  .fk-about{gap:28px}
  .fk-video-copy{grid-template-columns:minmax(0,1fr);gap:12px}
  .fk-video-copy .eyebrow,.fk-video-copy .h2,.fk-video-copy .lead{grid-column:1;grid-row:auto}
  .fk-cooling{grid-template-columns:minmax(0,1fr)}
  .fk-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fk-steps li:after{display:none}
  .fk-specs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fk-dual{gap:28px}
  .fk-apps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fk-help{grid-template-columns:minmax(0,1fr)}
  .fk-request__grid{gap:30px}
  .fk-final__grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .fk-final__strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fk-final__strip>div:nth-child(2){border-right:0}
  .fk-final__strip>div:nth-child(-n+2){border-bottom:1px solid #dfeaf2}
}

@media(max-width:520px){
  .fk-actions{display:grid}
  .fk-actions .btn{width:100%}
  .fk-product-photo--hero{height:300px}
  .fk-product-photo--hero img{object-position:center;transform:scale(1.16)}
  .fk-product-photo--gallery{height:auto;grid-template-columns:minmax(0,1fr);grid-template-rows:240px repeat(2,150px)}
  .fk-product-photo__main{grid-column:1;grid-row:1;object-fit:cover!important}
  .fk-product-photo__details{display:contents}
  .fk-product-photo__details img:first-child{grid-column:1;grid-row:2}
  .fk-product-photo__details img:last-child{grid-column:1;grid-row:3}
  .fk-hero__features{grid-template-columns:minmax(0,1fr)}
  .fk-hero__features li{justify-content:flex-start;min-height:72px;border-left:0;border-top:1px solid #e2edf4}
  .fk-hero__features li:first-child{border-top:0}
  .fk-hero__features li br{display:none}
  .fk-benefits{grid-template-columns:minmax(0,1fr)}
  .fk-final{padding-top:38px}
  .fk-final__copy .h2{font-size:27px}
  .fk-final__benefits{padding:3px 16px 11px}
  .fk-final__benefit{gap:12px;min-height:76px}
  .fk-final__contact{padding:19px 16px}
  .fk-final__contact h3{font-size:24px}
  .fk-final__strip{grid-template-columns:minmax(0,1fr);margin-top:20px}
  .fk-final__strip>div{min-height:84px;border-right:0;border-bottom:1px solid #dfeaf2}
  .fk-final__strip>div:last-child{border-bottom:0}
  .fk-video-grid{grid-template-columns:minmax(0,1fr)}
  .fk-benefits article{min-height:0}
  .fk-cooling article{grid-template-columns:minmax(0,1fr)}
  .fk-cooling__copy{padding:22px 20px}
  .fk-steps,.fk-specs,.fk-apps{grid-template-columns:minmax(0,1fr)}
  .fk-steps li{min-height:125px}
  .fk-center-btn{width:100%}
  .fk-dual__diagram{padding:26px 18px}
  .fk-help{padding:22px 18px}
  .fk-help ul{grid-template-columns:minmax(0,1fr)}
  .fk-form{padding:20px 16px}
  .fk-form__row{grid-template-columns:minmax(0,1fr)}
  .fk-form__choices{display:grid;grid-template-columns:minmax(0,1fr)}
  .fk-form__choices span{width:100%}
}

/* отправка ТЗ: появляется после выбора файла */
.fk-send{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:-2px}
.fk-send[hidden]{display:none}
.fk-send input{height:48px;padding:0 14px;border:1px solid var(--line);border-radius:12px;font:inherit;font-size:14.5px;background:#fff;color:var(--ink);min-width:0}
.fk-send input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
.fk-send .formmsg{grid-column:1 / -1;margin:0}