:root{--black:#161616;--white:#fff;--lgray:#e3e3e3;--gray:#8c8c8c;--sep:#333;--deep:#080808;--pad:64px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:72px;background:#080808}
body{font-family:'Barlow',Arial,sans-serif;background:var(--deep);color:var(--white);font-size:18px;line-height:1.6;overflow-x:clip}
body.lock{overflow:hidden}
a,button{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--white);outline-offset:3px}
.lt :focus-visible{outline-color:var(--black)}
.skip{position:absolute;left:-9999px;top:8px;z-index:999;background:var(--white);color:var(--black);padding:12px 16px;font-weight:600}
.skip:focus{left:8px}
.wrap{max-width:1488px;margin:0 auto;padding:0 var(--pad)}
.sec{padding:128px 0}
.lt{background:var(--white);color:var(--black)}
.dk{background:var(--black)}
.label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.16em;color:var(--gray);display:block;margin-bottom:18px}
.lt .label{color:#333}
h2{font-size:clamp(32px,4.2vw,58px);font-weight:700;letter-spacing:-.03em;line-height:1.06}
h2 span{color:var(--gray)}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--gray);line-height:1.7;max-width:580px}
.lt .lead{color:#333}
.head2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end;margin-bottom:72px}

/* buttons */
.btn{display:inline-block;line-height:1;padding:17px 34px;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;border:1px solid var(--white);transition:background 200ms ease-out,color 200ms ease-out,border-color 200ms ease-out;text-align:center}
.btn-w{background:var(--white);color:var(--black)}.btn-w:hover{background:transparent;color:var(--white)}
.btn-o{color:var(--white);border-color:rgba(255,255,255,.35)}.btn-o:hover{border-color:var(--white)}
.btn-d{background:var(--black);color:var(--white);border-color:var(--black)}.btn-d:hover{background:transparent;color:var(--black)}
.tlink{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid currentColor;padding-bottom:3px;transition:opacity 200ms}
.tlink:hover{opacity:.6}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:22px var(--pad);transition:background 300ms,padding 300ms,border-color 300ms;border-bottom:1px solid transparent}
.nav.scrolled{background:var(--black);padding-top:14px;padding-bottom:14px;border-bottom-color:var(--sep)}
.brand-lock{display:flex;align-items:center;gap:16px;position:relative;z-index:210}
.brand-lock img{height:40px;width:auto;transition:height 300ms}
.nav.scrolled .brand-lock img{height:36px}
.brand-lock span{font-size:13px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--gray);padding-left:16px;border-left:1px solid var(--sep);line-height:1.2}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:13px;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--lgray);transition:color 200ms;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--white);transform:scaleX(0);transform-origin:left;transition:transform 300ms ease-out}
.nav-links a:hover,.nav-links a[aria-current="true"]{color:var(--white)}
.nav-links a[aria-current="true"]::after{transform:scaleX(1)}
.nav-links a.nav-order{display:inline-block;line-height:1;padding:11px 22px;background:var(--white);color:var(--black);border:1px solid var(--white);font-weight:600}
.nav-links a.nav-order::after{display:none}
.nav-links a.nav-order:hover{background:transparent;color:var(--white)}
.nav-foot{display:none}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:6px;position:relative;z-index:210}
.burger span{display:block;width:24px;height:1.5px;background:var(--white);transition:transform 250ms ease-out,opacity 200ms}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;overflow:hidden;background:var(--deep);display:flex;align-items:center;padding:120px 0 96px}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg svg{width:100%;height:100%;display:block}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;width:100%}
.eyebrow{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.24em;color:var(--gray);margin-bottom:22px;display:flex;align-items:center;gap:14px}
.eyebrow i{display:block;width:12px;height:12px;background:var(--white);clip-path:polygon(29% 0,71% 0,100% 29%,100% 71%,71% 100%,29% 100%,0 71%,0 29%)}
.hero h1{font-size:clamp(46px,6.4vw,104px);font-weight:700;letter-spacing:-.045em;line-height:.94;margin-bottom:26px}
.hero h1 em{display:block;font-style:normal;font-weight:300;color:var(--gray)}
.hero-sub{font-size:clamp(17px,1.6vw,21px);font-weight:300;color:var(--lgray);max-width:540px;margin-bottom:40px;line-height:1.55}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.trust{display:flex;gap:10px 22px;flex-wrap:wrap;margin-top:36px;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gray)}
.trust span{display:flex;align-items:center;gap:8px}
.trust span::before{content:"";width:7px;height:7px;background:var(--gray);clip-path:polygon(29% 0,71% 0,100% 29%,100% 71%,71% 100%,29% 100%,0 71%,0 29%)}
.hero-viz{position:relative;display:flex;justify-content:center;align-items:center}
.hero-orb{position:absolute;left:50%;top:50%;width:150%;height:auto;transform:translate(-50%,-50%);overflow:visible;pointer-events:none}
.hero-viz img{position:relative;width:auto;height:min(74vh,700px);max-width:100%}
.orbit-spin{transform-box:fill-box;transform-origin:center;animation:spin 160s linear infinite}
.orbit-spin.rev{animation-duration:220s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.batt-float{animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-8px)}}
.led{animation:led 2.8s ease-in-out infinite}
.led:nth-child(2){animation-delay:.25s}.led:nth-child(3){animation-delay:.5s}.led:nth-child(4){animation-delay:.75s}.led:nth-child(5){animation-delay:1s}
@keyframes led{0%,100%{opacity:.25}40%,60%{opacity:1}}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);color:var(--black)}
.st{padding:44px 36px;border-right:1px solid var(--lgray)}
.st:last-child{border-right:0;background:var(--black);color:var(--white)}
.st b{display:block;font-size:clamp(40px,4.6vw,64px);font-weight:700;letter-spacing:-.045em;line-height:1;margin-bottom:10px;font-variant-numeric:tabular-nums}
.st b small{font-size:.38em;letter-spacing:0;font-weight:600;margin-left:4px}
.st span{font-size:14px;color:#333;line-height:1.45;display:block}
.st:last-child span{color:var(--gray)}

/* statement */
.statement{padding:144px 0;text-align:center}
.statement p{font-size:clamp(28px,3.8vw,56px);font-weight:600;letter-spacing:-.035em;line-height:1.15;max-width:1120px;margin:0 auto}
.statement p span{color:var(--gray)}

/* cards */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--black)}
.cd{padding:36px 32px 8px 0;border-right:1px solid var(--lgray);margin-right:32px}
.cd:last-child{border-right:0;margin-right:0}
.cd .ic{width:56px;height:56px;margin-bottom:28px}
.cd h3{font-size:clamp(22px,2vw,28px);font-weight:600;letter-spacing:-.02em;line-height:1.15;margin-bottom:10px}
.cd p{font-size:16px;color:#333;line-height:1.7}
.na{display:grid;grid-template-columns:auto 1fr;gap:56px;align-items:center;margin-bottom:80px}
.na-tile{width:180px;height:180px;background:var(--black);color:var(--white);display:flex;flex-direction:column;justify-content:space-between;padding:18px 20px;clip-path:polygon(29% 0,71% 0,100% 29%,100% 71%,71% 100%,29% 100%,0 71%,0 29%)}
.na-tile small{font-size:12px;font-weight:600;color:var(--gray);text-align:center}
.na-tile b{font-size:72px;font-weight:700;letter-spacing:-.04em;line-height:1;text-align:center}
.na-tile span{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gray);text-align:center}

/* cold */
.temp{border:1px solid var(--sep);padding:40px 40px 28px;margin-top:8px}
.temp svg{width:100%;height:auto;display:block;overflow:visible}
.tbar{transform-box:fill-box;transform-origin:left center;transform:scaleX(0);transition:transform 1600ms cubic-bezier(.2,.8,.2,1)}
.temp.on .tbar{transform:scaleX(1)}
.temp.on .tbar.b2{transition-delay:250ms}
.t-lbl{font-family:Barlow,Arial,sans-serif;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;fill:#fff}
.t-ax{font-family:Barlow,Arial,sans-serif;font-size:13px;font-weight:600;fill:#8c8c8c}
.temp-legend{display:none;flex-direction:column;gap:8px;margin-top:16px;font-size:14px;font-weight:600;color:var(--lgray)}
.temp-legend span{display:flex;align-items:center;gap:10px}
.temp-legend i{width:22px;height:10px;background:#fff}.temp-legend i.g{background:#8c8c8c}.temp-legend i.p{background:none;border:1px dashed #8c8c8c}.temp-legend i.z{height:0;border-top:1px dashed #8c8c8c}
.soon{display:flex;align-items:center;flex-wrap:wrap;gap:14px 28px;border:1px dashed var(--sep);border-top:0;padding:22px 28px}
.soon-tag{flex:none;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;background:var(--white);color:var(--black);padding:7px 10px;line-height:1}
.soon p{flex:1;min-width:240px;font-size:16px;color:var(--lgray)}
.soon p b{color:var(--white);font-weight:600}
.soon .tlink{flex:none;color:var(--white)}
.places{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--sep);border:1px solid var(--sep);margin-top:2px}
.pl{background:var(--deep);padding:28px 28px 30px}
.pl b{display:block;font-size:20px;font-weight:600;margin-bottom:6px}
.pl span{font-size:15px;color:var(--gray)}
.viz-slot{position:relative;border:1px dashed var(--sep);display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--deep)}
.viz-slot figcaption{position:absolute;left:16px;bottom:14px;font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gray)}
.cold-grid{display:grid;grid-template-columns:7fr 5fr;gap:2px;margin-top:2px}
.cold-grid .viz-slot{min-height:100%;aspect-ratio:auto}

/* life */
.life{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:end;margin-bottom:72px}
.big{font-size:clamp(110px,17vw,270px);font-weight:700;letter-spacing:-.07em;line-height:.8;font-variant-numeric:tabular-nums}
.big small{display:block;font-size:clamp(16px,1.4vw,20px);font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#333;margin-top:22px}
.math{border-top:1px solid var(--black)}
.math div{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:16px 0;border-bottom:1px solid var(--lgray);font-size:17px}
.math div span{color:#333}
.math div b{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.math div.tot{border-bottom:1px solid var(--black)}
.math div.tot b{font-size:24px}
.warr{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--lgray)}
.wc{background:var(--white);padding:36px 32px}
.wc:last-child{background:var(--black);color:var(--white)}
.wc b{display:block;font-size:clamp(44px,5vw,72px);font-weight:700;letter-spacing:-.05em;line-height:1}
.wc b small{font-size:.34em;letter-spacing:0;margin-left:6px;font-weight:600}
.wc h3{font-size:20px;font-weight:600;margin:14px 0 6px}
.wc p{font-size:14px;color:#333;line-height:1.6}
.wc:last-child p{color:var(--gray)}
.note{font-size:13px;color:#333;margin-top:16px;max-width:900px}
.dk .note,.deep .note,.cyc .note{color:var(--gray)}

/* capacity */
.cap{display:grid;grid-template-columns:5fr 7fr;gap:72px;align-items:center}
.cap-out b{display:block;font-size:clamp(64px,8vw,120px);font-weight:700;letter-spacing:-.06em;line-height:.9;font-variant-numeric:tabular-nums}
.cap-out b small{font-size:.3em;letter-spacing:0;margin-left:8px;font-weight:600}
.cap-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--sep);margin-top:28px}
.cap-row div{padding:16px 16px 0 0}
.cap-row dt{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gray)}
.cap-row dd{font-size:22px;font-weight:600;font-variant-numeric:tabular-nums}
.cap-row .wide{grid-column:1 / -1;border-top:1px solid var(--sep);margin-top:16px}
.range{width:100%;margin:40px 0 10px;-webkit-appearance:none;appearance:none;height:44px;background:transparent;cursor:pointer}
.range::-webkit-slider-runnable-track{height:2px;background:var(--sep)}
.range::-moz-range-track{height:2px;background:var(--sep)}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;background:var(--white);margin-top:-12px;border:0;border-radius:0;clip-path:polygon(29% 0,71% 0,100% 29%,100% 71%,71% 100%,29% 100%,0 71%,0 29%)}
.range::-moz-range-thumb{width:26px;height:26px;background:var(--white);border:0;border-radius:0;clip-path:polygon(29% 0,71% 0,100% 29%,100% 71%,71% 100%,29% 100%,0 71%,0 29%)}
.range-ax{display:flex;justify-content:space-between;font-size:12px;font-weight:600;color:var(--gray)}
.mods{display:grid;grid-template-columns:repeat(5,1fr);gap:16px 18px;max-width:560px;margin-left:auto}
.mods svg{width:100%;height:auto;opacity:.12;transition:opacity 300ms,transform 300ms}
.mods svg.on{opacity:1}

/* price */
.price{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:start}
.price-big{font-size:clamp(64px,8vw,120px);font-weight:700;letter-spacing:-.06em;line-height:.9;font-variant-numeric:tabular-nums;white-space:nowrap}
.price-big small{font-size:.3em;letter-spacing:0;margin-left:10px;font-weight:600}
.price-vat{font-size:15px;color:#333;margin:16px 0 32px}
.price .math{margin-bottom:32px}
.tco > h3{font-size:clamp(24px,2.4vw,32px);font-weight:600;letter-spacing:-.02em;margin-bottom:12px}
.tco > p{font-size:16px;color:#333;margin-bottom:28px;max-width:560px}
.kwh{border-top:1px solid var(--black);margin-bottom:8px}
.kwh-row{padding:18px 0 20px;border-bottom:1px solid var(--lgray)}
.kwh-row div{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:12px}
.kwh-row span{font-size:16px;font-weight:600}
.kwh-row span small{display:block;font-size:13px;font-weight:400;color:#333;margin-top:2px}
.kwh-row b{font-size:clamp(28px,2.8vw,40px);font-weight:700;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;white-space:nowrap}
.kwh-row b small{font-size:.42em;font-weight:600;letter-spacing:0;margin-left:4px}
.kwh-row i{display:block;height:14px;width:calc(var(--w) * 100%);background:var(--gray);transform-origin:left;transform:scaleX(0);transition:transform 1200ms cubic-bezier(.2,.8,.2,1)}
.kwh-row.n8 i{background:var(--black);transition-delay:200ms}
.tco.on .kwh-row i{transform:scaleX(1)}
.cyc{background:var(--black);color:var(--white);padding:56px;margin-top:96px}
.cyc .label{color:var(--gray)}
.cyc-head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:40px}
.cyc-head h3{font-size:clamp(30px,3.4vw,48px);font-weight:700;letter-spacing:-.03em;line-height:1.06}
.cyc-head p{font-size:17px;color:var(--lgray);line-height:1.7}
.bud-row{display:grid;grid-template-columns:230px 1fr;gap:24px;align-items:center;padding:16px 0;border-bottom:1px solid var(--sep)}
.bud-row:first-child{border-top:1px solid var(--sep)}
.bud-row span{font-size:14px;font-weight:600;color:var(--lgray)}
.bud-bar{display:flex;height:20px;transform-origin:left;transform:scaleX(0);transition:transform 1400ms cubic-bezier(.2,.8,.2,1)}
.bud-row + .bud-row .bud-bar{transition-delay:250ms}
.cyc.on .bud-bar{transform:scaleX(1)}
.bud-bar i,.bud-leg i{display:block;flex:none}
.bud-bar i{height:100%;width:var(--w)}
.s1{background:var(--white)}.s2{background:var(--gray)}.s3{background:var(--sep)}.li{border:1px solid var(--gray)}
.bud-leg{list-style:none;display:flex;flex-wrap:wrap;gap:10px 32px;margin-top:20px;font-size:14px;color:var(--lgray)}
.bud-leg li{display:flex;align-items:center;gap:10px}
.bud-leg i{width:20px;height:10px}
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--sep);border:1px solid var(--sep);margin-top:40px}
.uses article{background:var(--deep);padding:28px 28px 30px}
.uses b{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--gray)}
.uses h4{font-size:21px;font-weight:600;letter-spacing:-.01em;margin:12px 0 8px}
.uses p{font-size:15px;color:var(--gray);line-height:1.65}

/* install */
.chips{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--black);border-left:1px solid var(--lgray)}
.chip{padding:22px 20px;border-right:1px solid var(--lgray);border-bottom:1px solid var(--lgray);font-size:18px;font-weight:600;display:flex;align-items:center;gap:10px}
.chip::before{content:"";width:8px;height:8px;background:var(--black);clip-path:polygon(29% 0,71% 0,100% 29%,100% 71%,71% 100%,29% 100%,0 71%,0 29%);flex:none}
.inst{display:grid;grid-template-columns:1fr 1fr;gap:72px;margin-top:96px;align-items:start}
.inst h3{font-size:clamp(24px,2.4vw,32px);font-weight:600;letter-spacing:-.02em;margin-bottom:12px}
.inst p{font-size:16px;color:#333;margin-bottom:24px;max-width:560px}
.ue{border-top:1px solid var(--black)}
.ue-row{display:grid;grid-template-columns:70px 1fr 90px;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid var(--lgray)}
.ue-row span{font-size:14px;font-weight:600;color:#333}
.ue-row i{display:block;height:10px;background:var(--black);transform-origin:left;transform:scaleX(0);transition:transform 1200ms cubic-bezier(.2,.8,.2,1)}
.ue.on .ue-row i{transform:scaleX(var(--w))}
.ue-row b{text-align:right;font-variant-numeric:tabular-nums}
.inst .viz-slot{aspect-ratio:4/3;background:var(--black);border-color:var(--gray)}
.viz-slot.shot{border:0}
.viz-slot.shot img{width:100%;height:100%;object-fit:cover}

/* ecosystem */
.eco{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--sep);border:1px solid var(--sep)}
.ec{background:var(--deep);display:flex;flex-direction:column}
.ec figure{aspect-ratio:16/10;overflow:hidden;background:var(--black);position:relative}
.ec figure img{width:100%;height:100%;object-fit:cover;filter:grayscale(1);transition:filter 700ms,transform 900ms}
@media (hover:hover){.ec:hover figure img{filter:none;transform:scale(1.03)}}
.ec figure.prod{display:flex;align-items:flex-end;justify-content:center}
.ec figure.prod img{width:auto;height:90%;object-fit:contain;filter:none}
.ec-body{padding:28px 28px 32px;display:flex;flex-direction:column;flex:1}
.ec-body small{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);margin-bottom:12px}
.ec-body h3{font-size:24px;font-weight:600;letter-spacing:-.02em;margin-bottom:8px}
.ec-body p{font-size:15px;color:var(--gray);margin-bottom:20px}
.ec-body .tlink{margin-top:auto;align-self:flex-start;color:var(--lgray)}

/* specs */
.spec-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:56px;align-items:start}
.spec h3{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);margin-bottom:12px}
.spec table{width:100%;border-collapse:collapse}
.spec th,.spec td{padding:13px 0;border-bottom:1px solid var(--sep);font-size:15px;text-align:left;vertical-align:baseline}
.spec th{color:var(--gray);font-weight:400;padding-right:16px}
.spec td{font-weight:600;text-align:right}
.dims{border:1px solid var(--sep);padding:28px}
.dims svg{width:100%;height:auto;display:block}
.dim-t{font-family:Barlow,Arial,sans-serif;font-size:13px;font-weight:700;letter-spacing:.08em;fill:#fff}
.dim-s{font-family:Barlow,Arial,sans-serif;font-size:11px;font-weight:600;letter-spacing:.14em;fill:#8c8c8c}
.certs{margin-top:2px;display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--sep);border:1px solid var(--sep);border-top:0}
.certs div{background:var(--black);padding:22px 24px}
.certs h4{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);margin-bottom:10px}
.certs ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.certs li{font-size:13px;font-weight:600;border:1px solid var(--sep);padding:6px 10px}
.certs .done li{border-color:var(--gray);color:var(--white)}
.certs .pend li{color:var(--gray);border-style:dashed}

/* faq */
.faq{border-top:1px solid var(--black);max-width:1080px}
.faq details{border-bottom:1px solid var(--lgray)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 0;font-size:clamp(19px,1.8vw,24px);font-weight:600;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:16px;height:16px;flex:none;background:var(--black);clip-path:polygon(40% 0,60% 0,60% 40%,100% 40%,100% 60%,60% 60%,60% 100%,40% 100%,40% 60%,0 60%,0 40%,40% 40%);transition:transform 300ms}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{font-size:17px;color:#333;line-height:1.75;padding:0 0 28px;max-width:820px}

/* lead form */
.form-wrap{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:start}
.form{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px}
.fld{display:flex;flex-direction:column;gap:8px}
.fld.full{grid-column:1 / -1}
.fld label{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gray)}
.fld input,.fld select,.fld textarea{background:var(--black);border:1px solid var(--sep);border-radius:0;padding:15px 16px;font-size:16px;color:var(--white);transition:border-color 200ms;width:100%;-webkit-appearance:none;appearance:none}
.fld select{background-image:none}
.fld textarea{min-height:120px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--white)}
.consent{grid-column:1 / -1;display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--gray)}
.consent input{width:20px;height:20px;margin-top:2px;accent-color:#fff;flex:none}
.form .btn{grid-column:1 / -1;justify-self:start}
.form-msg{grid-column:1 / -1;font-size:15px;color:var(--lgray);border-left:2px solid var(--white);padding:8px 0 8px 16px;display:none}
.form-msg.show{display:block}
.contact-side p{font-size:17px;color:var(--lgray);margin-bottom:28px;max-width:440px}
.contact-side ul{list-style:none;border-top:1px solid var(--sep)}
.contact-side li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--sep);font-size:15px;color:var(--lgray)}
.contact-side li b{min-width:28px;color:var(--gray);font-size:12px;letter-spacing:.12em}
.contact-side p.direct{margin:28px 0 0;font-size:15px}
.contact-side a,.form-msg a{color:var(--white);border-bottom:1px solid var(--gray);transition:border-color 200ms}
.contact-side a:hover,.form-msg a:hover{border-color:var(--white)}

/* footer */
footer{background:var(--black);padding:72px 0 32px;border-top:1px solid var(--sep)}
.ft{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:56px;margin-bottom:56px}
.ft .brand-lock img{height:44px}
.ft h5{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gray);margin-bottom:18px}
.ft ul{list-style:none}
.ft li{margin-bottom:10px}
.ft li a,.ft address{font-size:14px;color:var(--lgray);font-style:normal;line-height:1.7;transition:color 200ms}
.ft li a:hover{color:var(--white)}
.ft-brand p{font-size:14px;color:var(--gray);max-width:300px;margin-top:20px}
.ft-sep{border-top:1px solid var(--sep);padding-top:22px;display:flex;justify-content:space-between;gap:16px;font-size:13px;color:var(--gray)}

.js .fu{opacity:0;transform:translateY(28px);transition:opacity 700ms ease-out,transform 700ms ease-out}
.js .fu.on{opacity:1;transform:none}
.d1{transition-delay:90ms}.d2{transition-delay:180ms}.d3{transition-delay:270ms}

@media (max-width:1180px){.nav-links{gap:22px}}
@media (max-width:1023px){
  :root{--pad:32px}
  .nav,.nav.scrolled{padding:16px var(--pad)}
  .nav-links a:not(.nav-order){display:none}
  .sec{padding:96px 0}
  .hero{padding:110px 0 72px}
  .hero-in{grid-template-columns:1fr;gap:24px}
  .hero-viz{order:-1}
  .hero-viz img{height:min(50vh,440px)}
  .head2,.life,.cap,.price,.cyc-head,.inst,.form-wrap{grid-template-columns:1fr;gap:32px}
  .uses{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .st:nth-child(2){border-right:0}
  .st:nth-child(-n+2){border-bottom:1px solid var(--lgray)}
  .cards3{grid-template-columns:1fr}
  .cd{border-right:0;margin-right:0;border-bottom:1px solid var(--lgray);padding:32px 0}
  .cold-grid{grid-template-columns:1fr}
  .cold-grid .viz-slot{aspect-ratio:auto;min-height:240px}
  .places{grid-template-columns:1fr}
  .warr{grid-template-columns:1fr}
  .mods{margin:0;max-width:none}
  .chips{grid-template-columns:repeat(2,1fr)}
  .eco{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:1fr 1fr}
  .spec-grid .dims-col{grid-column:1 / -1}
  .ft{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:767px){
  :root{--pad:16px}
  body{font-size:17px}
  .nav,.nav.scrolled{padding:12px var(--pad)}
  .brand-lock img,.nav.scrolled .brand-lock img{height:34px}
  .brand-lock{gap:12px}.brand-lock span{padding-left:12px;font-size:11px;letter-spacing:.18em}
  .nav-links{display:none}
  .burger{display:flex}
  .nav-links.open{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;position:fixed;inset:0;background:var(--black);gap:22px;z-index:200;padding:96px var(--pad) 40px}
  .nav-links.open a,.nav-links.open a:not(.nav-order){display:block;font-size:30px;font-weight:600;letter-spacing:-.01em;text-transform:none;color:var(--white)}
  .nav-links.open a.nav-order{font-size:16px;text-transform:uppercase;letter-spacing:.08em;margin-top:12px;padding:16px 24px;color:var(--black)}
  .nav-links.open .nav-foot{display:block;margin-top:auto;font-size:13px;color:var(--gray)}
  .sec{padding:72px 0}
  .hero{padding:92px 0 56px}
  .hero-viz img{height:min(44vh,360px)}
  .hero-btns .btn{width:100%}
  .head2{margin-bottom:40px}
  .st{padding:26px 16px}
  .statement{padding:88px 0}
  .na{grid-template-columns:1fr;gap:28px;margin-bottom:48px}
  .na-tile{width:140px;height:140px}.na-tile b{font-size:54px}
  .big{font-size:23vw}
  .cap-out b{font-size:19vw}
  .price-big{font-size:19vw}
  .cyc{padding:32px 18px;margin-top:64px}
  .bud-row{grid-template-columns:1fr;gap:10px}
  .temp{padding:20px 12px 12px}
  .t-lbl,.t-in{display:none}.t-ax{font-size:30px}
  .temp-legend{display:flex}
  .chips{grid-template-columns:1fr 1fr}
  .chip{font-size:15px;padding:16px 12px}
  .inst{margin-top:64px}
  .ue-row{grid-template-columns:52px 1fr 72px;gap:10px}
  .spec-grid{grid-template-columns:1fr}
  .certs{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .form .btn{width:100%}
  .ft{grid-template-columns:1fr;gap:32px}
  .ft-sep{flex-direction:column}
}
@supports (padding:max(0px)){
  .nav,.nav.scrolled{padding-left:max(var(--pad),env(safe-area-inset-left));padding-right:max(var(--pad),env(safe-area-inset-right))}
  .wrap{padding-left:max(var(--pad),env(safe-area-inset-left));padding-right:max(var(--pad),env(safe-area-inset-right))}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .fu{opacity:1;transform:none}
  .tbar,.kwh-row i,.bud-bar{transform:none}.ue-row i{transform:scaleX(var(--w))}
}

/* language switch */
.nav > .nav-links{margin-left:auto}
.nav-end{display:flex;align-items:center;gap:12px;margin-left:28px;position:relative;z-index:210}
.lang{display:inline-flex;align-items:center;justify-content:center;height:38px;min-width:44px;padding:0 10px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--lgray);border:1px solid var(--sep);transition:color 200ms,border-color 200ms}
.lang:hover{color:var(--white);border-color:var(--white)}
@media (max-width:767px){.nav-end{margin-left:0;gap:8px}}