@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-wght-normal.BOeWTOD4.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-wght-normal.DqGufNeO.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-ext-wght-normal.DlzME5K_.woff2) format("woff2-variations");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-wght-normal.CkhJZR-_.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-vietnamese-wght-normal.CBcvBZtf.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-ext-wght-normal.DO1Apj_S.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-wght-normal.Dx4kXJAl.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--base: #eef5ff;--navy: #00203d;--navy-deep: #00111f;--header: #003a70;--steel: #7ca8c4;--sky: #9cbed3;--blue: #066aab;--amber: #ffa500;--amber-dark: #e69500;--ink: #00203d;--muted: #3b546a;--line: #c9d9e6;--shadow: 5px 6px 6px -1px rgba(0, 0, 0, .38);--shadow-soft: 4px 5px 8px -2px rgba(0, 0, 0, .3);--maxw: 1200px;--ease: cubic-bezier(.2, .7, .2, 1);--ease-soft: cubic-bezier(.22, .61, .36, 1)}*,*:before,*:after{box-sizing:border-box;border-radius:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:Inter Variable,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:18px;line-height:1.6;font-weight:350;color:var(--ink);background:var(--base)}img{max-width:100%;height:auto;display:block}a{color:inherit;text-underline-offset:3px}h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-weight:600;color:var(--navy)}h1{font-size:clamp(2.2rem,5.4vw,4.2rem)}h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}h3{font-size:1.3rem}p{margin:0 0 1em}main{overflow-x:clip}.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.narrow{max-width:900px;margin-left:auto;margin-right:auto}.section{padding:64px 0}.center{text-align:center}.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:8px 12px;z-index:300}.skip:focus{left:8px;top:8px}:focus-visible{outline:3px solid var(--amber);outline-offset:2px}.btn{display:inline-block;padding:14px 30px;border:0;background:var(--amber);color:var(--navy);font:inherit;font-size:1.05rem;font-weight:500;text-decoration:none;cursor:pointer;box-shadow:var(--shadow);transition:background .15s,transform .15s var(--ease),box-shadow .15s}.btn:hover{background:#ffb733;transform:translate(-1px,-2px);box-shadow:7px 9px 8px -1px #00000059}.btn:active{transform:translate(1px,1px);box-shadow:2px 3px 4px #00000059}.btn--ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7);box-shadow:none}.btn--ghost:hover{background:#ffffff24;box-shadow:none}.header{background:var(--header);color:#fff;position:sticky;top:0;z-index:100}.header__row{display:flex;align-items:center;gap:28px;min-height:92px}.brand{display:flex;align-items:center;gap:22px;text-decoration:none;color:#fff;font-weight:700;font-size:1.7rem;letter-spacing:.01em;text-transform:uppercase}.brand img{width:56px;height:56px}.nav{display:flex;gap:26px;margin-left:auto;align-items:center}.nav a{color:#dce9f4;text-decoration:none;font-weight:400;font-size:.98rem}.nav a:hover,.nav a[aria-current=page]{color:#fff;text-decoration:underline}.header__phone{color:#fff;font-weight:500;font-size:1.35rem;white-space:nowrap;display:inline-flex;align-items:center;gap:10px}.header__phone svg{flex:none}.header__phone:hover{color:var(--amber)}.header__cta{padding:10px 20px;font-size:.95rem;white-space:nowrap}.header__cta--menu{display:none}.burger{display:none;margin-left:0;background:none;border:0;color:#fff;padding:8px;cursor:pointer}.burger span{display:block;width:26px;height:3px;background:#fff;margin:5px 0}@media(max-width:960px){.brand{font-size:1.2rem;gap:12px}.brand img{width:42px;height:42px}.header__row{gap:14px;min-height:72px}.header__phone{margin-left:auto;font-size:1rem}.header__phone span{display:none}.nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--header);flex-direction:column;align-items:flex-start;gap:0;padding:6px 20px 18px;margin:0;border-top:1px solid rgba(255,255,255,.15)}.nav.is-open{display:flex}.nav a{padding:12px 0;width:100%;font-size:1.1rem}.burger{display:block}.header__cta{display:none}.nav .header__cta--menu{display:inline-block;margin-top:12px}}@media(max-width:420px){.brand{font-size:1rem}}.hero{position:relative;min-height:568px;overflow:hidden;clip-path:polygon(0 0,100% 0,100% 90%,0 100%);background:#cfd9e2}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:51% 100%;animation:slowzoom 26s ease-in-out infinite alternate}.hero__panel{position:relative;z-index:2;margin:88px 0 0 20px;width:min(920px,calc(100% - 40px));padding:90px 70px 120px;display:grid;place-items:center;text-align:center;background:#00203dc7;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);clip-path:polygon(0 0,100% 0,100% 100%,0 90%)}.hero__panel h1{color:#e8f1fa;text-transform:uppercase;font-weight:500;text-shadow:0 4px 10px rgba(0,0,0,.5);margin:0;font-size:clamp(2rem,5vw,4.3rem)}.hero__panel p{color:#cfe0ee;margin:18px 0 0;max-width:46ch;font-size:1.15rem}.hero__actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:26px}@media(max-width:760px){.hero{min-height:460px;clip-path:polygon(0 0,100% 0,100% 94%,0 100%)}.hero__panel{margin:48px 0 0;width:calc(100% - 24px);padding:44px 24px 70px}}@keyframes slowzoom{0%{transform:scale(1)}to{transform:scale(1.07)}}.lead{font-size:1.15rem;max-width:64ch;margin-left:auto;margin-right:auto;color:var(--navy);font-weight:300}.chevrons{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:38px auto 0;max-width:1200px}.chevrons--4{grid-template-columns:repeat(4,1fr)}.chevron{display:block;text-decoration:none;filter:drop-shadow(5px 6px 5px rgba(0,0,0,.38));transition:transform .45s var(--ease-soft),filter .45s var(--ease-soft)}.chevron:hover{transform:translateY(-6px);filter:drop-shadow(7px 12px 7px rgba(0,0,0,.4))}.chevron__body{display:block;height:100%;padding:22px 54px 26px 24px;background:var(--navy);color:#fff;clip-path:polygon(0 0,calc(100% - 34px) 0,100% 50%,calc(100% - 34px) 100%,0 100%)}.chevron:nth-child(2n) .chevron__body{background:var(--steel);color:var(--navy)}.chevron h3{color:inherit;text-transform:uppercase;text-align:center;font-weight:500;font-size:1.9rem;margin:0 0 6px}.chevron p{margin:0;font-size:.98rem;line-height:1.5}.chevrons--4 .chevron h3{font-size:1.45rem}@media(max-width:900px){.chevrons,.chevrons--4{grid-template-columns:1fr;gap:14px}.chevron__body{padding-right:50px}}.band{position:relative;isolation:isolate;min-height:430px;display:grid;place-items:center;color:#fff;overflow:hidden}.band>img{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover}.band:after{content:"";position:absolute;inset:0;z-index:-1;background:#00203d47}.band h2{color:#fff;font-size:clamp(2.6rem,8vw,6rem);text-transform:uppercase;font-weight:600;margin:0;letter-spacing:.03em;text-shadow:0 4px 16px rgba(0,0,0,.45)}.pull{position:relative;z-index:3;margin:-96px auto 0;max-width:1200px;padding:0 20px}.pull__card{background:#f6faff;padding:48px 80px 40px;box-shadow:var(--shadow);font-weight:300}.pull__card p{max-width:62ch;margin-left:auto;margin-right:auto}@media(max-width:760px){.pull__card{padding:28px 22px 20px}.pull{margin-top:-50px}}.rows{max-width:940px;margin:56px auto 0;padding:0 20px;display:grid;gap:56px}.row{display:grid;grid-template-columns:1fr 1.12fr;gap:28px;align-items:center}.row--rev{grid-template-columns:1.12fr 1fr}.row__duo{position:relative;aspect-ratio:516 / 575}.row__duo img{position:absolute;object-fit:cover}.row__duo--photos img{width:56.2%;height:93.4%;box-shadow:var(--shadow)}.row__duo--photos img:first-child{left:0;bottom:0}.row__duo--photos img:last-child{right:0;top:0;z-index:1}.row__duo--boilers{aspect-ratio:510 / 570}.row__duo--boilers img{width:auto;filter:drop-shadow(5px 6px 6px rgba(0,0,0,.35))}.row__duo--boilers img:first-child{left:0;bottom:0;height:82%}.row__duo--boilers img:last-child{right:-14%;bottom:7%;height:76%;z-index:1;clip-path:inset(0 22.5% 0 0)}.card-dark{background:var(--navy);color:#dbe8f3;padding:28px 26px 24px;box-shadow:var(--shadow);font-weight:350}.card-dark h3{color:#fff;font-size:2.2rem;font-weight:600;margin:0;line-height:1.1}.card-dark .sub{text-transform:uppercase;font-weight:700;font-size:1rem;color:#fff;margin:4px 0 18px}.card-dark p{margin:0 0 1em}.ticks{list-style:none;padding:0;margin:0 0 1.1em}.ticks li:before{content:"✔";font-weight:800;margin-right:8px;color:#fff}@media(max-width:760px){.row,.row--rev{grid-template-columns:1fr;gap:18px}.row--rev .card-dark{order:2}.row__duo{max-width:420px;width:100%;margin:0 auto}}.cta-bar{max-width:940px;margin:64px auto 0;padding:0 20px}.cta-bar__in{background:var(--navy);color:#fff;padding:22px 24px;display:flex;flex-wrap:wrap;gap:16px 30px;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}.cta-bar h2{color:#fff;margin:0;font-size:clamp(1.4rem,3vw,2rem);font-weight:600}.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;max-width:940px;margin:30px auto 0;padding:0 20px}.cert{padding:0;border:0;background:#fff;box-shadow:var(--shadow);transition:transform .6s var(--ease-soft),box-shadow .6s var(--ease-soft);display:block}.cert:hover{transform:rotate(-3deg) scale(1.05);box-shadow:8px 12px 10px -2px #0000006b;z-index:2;position:relative}.cert img{width:100%}@media(max-width:760px){.certs{grid-template-columns:repeat(2,1fr);gap:14px}}.parallax-band{position:relative;isolation:isolate;min-height:520px;display:grid;place-items:center;text-align:center;color:#fff;clip-path:polygon(0 12%,100% 0,100% 100%,0 100%);margin-top:70px;padding:150px 20px 100px;background:var(--bg) center / cover no-repeat}.parallax-band:before{content:"";position:absolute;inset:0;z-index:-1;background:#00102373}.parallax-band h2{color:#fff;font-size:clamp(2.4rem,7vw,5rem);font-weight:700;text-shadow:0 4px 18px rgba(0,0,0,.6);margin-bottom:.2em}.parallax-band p{text-transform:uppercase;font-weight:700;font-size:1.4rem;letter-spacing:.02em;text-shadow:0 2px 10px rgba(0,0,0,.6);margin-bottom:60px}@media(hover:hover)and (min-width:900px){.parallax-band{background-attachment:fixed}}.page-hero{background:var(--navy);color:#fff;padding:52px 0 60px;box-shadow:var(--shadow);position:relative;z-index:2}.page-hero h1{color:#fff;font-size:clamp(1.9rem,4.4vw,3.2rem);font-weight:500}.page-hero p{color:#cfe0ee;max-width:62ch;font-size:1.12rem;margin:0}.crumbs{font-size:.92rem;color:var(--sky);margin-bottom:18px}.crumbs a{color:var(--sky)}.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}@media(max-width:880px){.split{grid-template-columns:1fr;gap:30px}}.checks{list-style:none;padding:0;margin:0 0 1.2em}.checks li{margin:.5em 0}.checks li:before{content:"✔";font-weight:800;margin-right:10px;color:var(--navy)}.steps{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));padding:0;list-style:none;margin:28px 0 0;counter-reset:step}.steps li{counter-increment:step;background:var(--navy);color:#dbe8f3;padding:22px;box-shadow:var(--shadow)}.steps li:before{content:counter(step);display:block;font-size:2rem;font-weight:600;color:var(--amber);line-height:1;margin-bottom:8px}.steps strong{display:block;color:#fff;margin-bottom:4px;font-weight:600}.prose{max-width:78ch}.prose h2{font-size:1.5rem;margin-top:1.6em}.prose ul{padding-left:1.2em}.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:20px}.contact-list strong{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);font-weight:700}.contact-list a{text-decoration:none}.contact-list a:hover{text-decoration:underline}.contact-list .big{font-size:1.5rem;font-weight:500}.social{display:flex;gap:14px;margin:0;padding:0;list-style:none}.social a{width:46px;height:46px;display:grid;place-items:center;background:var(--navy);color:#fff;box-shadow:var(--shadow-soft);transition:background .2s,color .2s,transform .2s var(--ease)}.social a:hover{background:var(--amber);color:var(--navy);transform:translateY(-3px)}.footer .social a{background:#fff;color:#000}.footer .social a:hover{background:var(--amber)}.form{background:#fff;color:var(--ink);padding:28px;box-shadow:var(--shadow)}.form h3{margin-bottom:16px}.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}.form__full{grid-column:1 / -1}@media(max-width:640px){.form__grid{grid-template-columns:1fr}.form{padding:22px 16px}}.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:5px}.field input,.field textarea{width:100%;padding:11px 12px;border:1px solid #8a9fb0;font:inherit;font-weight:400;background:#fff;color:var(--ink)}.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px #066aab40}.field textarea{min-height:100px;resize:vertical}.field .err{color:#b3261e;font-size:.85rem;margin-top:4px;display:none}.field.has-error input,.field.has-error textarea{border-color:#b3261e}.field.has-error .err{display:block}.consent{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted)}.consent input{margin-top:4px;width:18px;height:18px;flex:none}.consent a{color:var(--blue)}.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.form__status{margin-top:14px;padding:12px 14px;display:none;font-weight:500}.form__status.is-ok{display:block;background:#e3f3e8;color:#135a2a}.form__status.is-fail{display:block;background:#fbe6e4;color:#8c1d18}.form button[disabled]{opacity:.6;cursor:progress}dialog.modal{border:0;padding:0;width:min(820px,calc(100% - 24px));max-height:calc(100% - 24px);background:transparent;overflow:visible}dialog.modal::backdrop{background:#000a19a6}dialog.modal .form{max-height:calc(100vh - 40px);overflow:auto}.modal__close{position:absolute;right:-10px;top:-14px;z-index:5;width:40px;height:40px;border:0;background:var(--header);color:#fff;font-size:1.6rem;line-height:1;cursor:pointer;box-shadow:var(--shadow-soft)}.footer{background:#000;color:#e8eef4;padding:64px 0 56px;font-weight:300;text-align:center}.footer__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}@media(max-width:760px){.footer__grid{grid-template-columns:1fr}}.footer h4{margin:0 0 22px;font-weight:400;font-size:1rem;text-transform:uppercase;letter-spacing:.04em;color:#fff}.footer p,.footer li{margin:0 0 14px}.footer ul{list-style:none;padding:0;margin:0}.footer a{color:#fff}.footer .social{justify-content:center}.footer__bottom{margin-top:36px;font-size:.85rem;color:#8ea1b3}.footer__bottom a{color:#b4c4d3}.reveal.pre{opacity:0;transform:translateY(40px);will-change:opacity,transform}.reveal.pre.from-left{transform:translate(-90px)}.reveal.pre.from-right{transform:translate(90px)}.reveal.pre{transition:opacity 1.3s var(--ease-soft) var(--d, 0s),transform 1.3s var(--ease-soft) var(--d, 0s)}.hero .reveal{animation:rise 1.8s var(--ease-soft) both;animation-delay:calc(var(--d, 0s) + .5s);transition:none}@keyframes rise{0%{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}@media(max-width:640px){.reveal.pre.from-left{transform:translate(-30px)}.reveal.pre.from-right{transform:translate(30px)}}.reveal.pre.is-in,.reveal.pre.from-left.is-in,.reveal.pre.from-right.is-in{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal.pre{opacity:1!important;transform:none!important}.parallax-band{background-attachment:scroll!important}}@media print{.header,.footer,.form,.cta-bar{display:none}}.chevrons--3{grid-template-columns:repeat(3,1fr)}