/* Swiss-white layout: hero = scheme B (oversized type split diagonally, live 3D boiler overlapping the letters); hairline-ruled lists on white, cool-grey band for the 3D studio, brand blue for actions and the stats band. */
:root{
  --white:#FFFFFF;
  --paper:#F2F4F6;
  --ink:#0E1621;
  --gas:#0797D5;
  --accent-dark:#00477D;
  --accent-soft:#E6F4FB;
  --ink-80:rgb(14 22 33 / .78);
  --ink-60:rgb(14 22 33 / .6);
  --line:rgb(14 22 33 / .12);
  --f:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --pad-l:max(16px,env(safe-area-inset-left,0px));
  --pad-r:max(16px,env(safe-area-inset-right,0px));
  --side:clamp(16px,4vw,64px);
  --max:1360px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px;background:var(--white)}
body{background:var(--white);color:var(--ink);font:400 16px/1.6 var(--f);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--white)}
a{color:inherit}
p{margin:0;text-wrap:pretty}
h1,h2,h3{margin:0;font-weight:300;text-wrap:balance;hyphens:none}
h2{font-size:clamp(2.1rem,5vw,4.6rem);line-height:.95;letter-spacing:-.035em}
h3{font-size:clamp(20px,1.8vw,26px);line-height:1.08;letter-spacing:-.02em;font-weight:500}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(var(--side),var(--pad-l));padding-right:max(var(--side),var(--pad-r))}
.lede{font-size:clamp(16px,1.15vw,18px);line-height:1.6;color:var(--ink-80);max-width:46ch}
.muted{color:var(--ink-60)}
.ico{width:22px;height:22px;flex:none;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Buttons: solid pill + hairline pill only */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:12px;min-height:52px;padding:0 26px;border-radius:999px;font:500 15px/1 var(--f);text-decoration:none;cursor:pointer;border:0;isolation:isolate;transition:transform 620ms var(--ease)}
.btn__fill{position:absolute;inset:0;z-index:-1;transform:scaleX(0);transform-origin:left;transition:transform 500ms var(--ease)}
.btn__label{transition:color 320ms var(--ease)}
.btn .ico{width:18px;height:18px;transition:transform 520ms var(--ease)}
.btn:hover .btn__fill{transform:scaleX(1)}
.btn:hover .ico{transform:translateX(4px)}
.btn--gas{background:var(--gas);color:var(--white)}
.btn--gas .btn__fill{background:var(--accent-dark)}
.btn--gas:hover .btn__label,.btn--gas:hover .ico{color:var(--white)}
.btn--line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.btn--line .btn__fill{background:var(--paper)}
.btn--sm{min-height:44px;padding:0 20px;font-size:14px}

/* Header */
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgb(255 255 255 / .86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:box-shadow 320ms var(--ease)}
.hdr.is-scrolled{box-shadow:0 1px 0 var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;color:var(--ink);flex:none}
.logo svg{height:30px;width:auto}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{text-decoration:none;font-size:14px;color:var(--ink-60);transition:color 320ms var(--ease)}
.nav a:hover{color:var(--ink)}
.hdr-tel{font-size:14px;font-weight:500;text-decoration:none;white-space:nowrap}
.burger{display:none;margin-left:auto;width:44px;height:44px;border-radius:999px;border:0;background:var(--paper);color:var(--ink);cursor:pointer;place-items:center}
.mnav{background:var(--white);padding-bottom:20px;box-shadow:0 1px 0 var(--line)}
.mnav a:not(.btn){display:block;padding:14px 0;text-decoration:none;font-size:18px;box-shadow:0 1px 0 var(--line)}
.mnav .btn{margin-top:18px}
@media (max-width:1100px){.nav{display:none}.hdr-tel{margin-left:auto}}
@media (max-width:640px){.hdr-tel,.hdr .btn{display:none}.burger{display:grid}}

/* Hero — scheme B */
.hero{position:relative;min-height:calc(100svh - 72px);display:flex;overflow:hidden;background:radial-gradient(42% 46% at 52% 50%,var(--paper) 0%,var(--white) 72%)}
.hero .wrap{position:relative;width:100%;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto 1fr auto;padding-block:clamp(24px,4vh,48px) clamp(28px,5vh,56px)}
.hero h1{display:contents}
.h1-a,.h1-b{position:relative;z-index:1;font-weight:300;font-size:clamp(3rem,10.6vw,11.5rem);line-height:.84;letter-spacing:-.045em;white-space:nowrap}
.h1-a{grid-column:1 / 3;grid-row:1}
.h1-b{grid-column:1 / 3;grid-row:2;align-self:end;justify-self:end;padding-bottom:clamp(8px,2vh,24px)}
.hero-stage{--w:min(38vw,500px);--h:min(72svh,660px);position:absolute;z-index:2;left:calc(52% - var(--w) / 2);top:calc(50% - var(--h) / 2 + 10px);width:var(--w);height:var(--h)}
.hero-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
.hero-stage canvas:active{cursor:grabbing}
.poster{position:absolute;inset:10% 18% 14%;width:64%;height:76%;object-fit:contain;transition:opacity 700ms var(--ease)}
.is-ready .poster{opacity:0;pointer-events:none}
.shadow{position:absolute;left:22%;right:22%;bottom:6%;height:36px;background:radial-gradient(closest-side,rgb(14 22 33 / .38),transparent 70%);filter:blur(10px);transform:scaleY(.6)}
.hero-foot{grid-column:1 / 3;grid-row:3;position:relative;z-index:3;display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.hero-copy{display:grid;gap:22px;max-width:440px}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}
.assure{font-size:13px;color:var(--ink-60)}
.hero-hint{font-size:13px;color:var(--ink-60);display:flex;align-items:center;gap:10px}
.hero-hint .ico{width:18px;height:18px}

.rise{opacity:1}
@media (prefers-reduced-motion:no-preference){
  .js .rise{animation:rise 900ms var(--ease) both;animation-delay:var(--d,0ms)}
  @keyframes rise{from{opacity:0;transform:translateY(28px);filter:blur(14px)}to{opacity:1;transform:none;filter:blur(0)}}
}

@media (max-width:860px){
  .hero{min-height:0}
  .hero .wrap{grid-template-columns:1fr;grid-template-rows:auto auto auto auto;padding-block:28px 40px}
  .h1-a,.h1-b{grid-column:1;font-size:clamp(2.6rem,15vw,6rem)}
  .h1-b{grid-row:3;justify-self:end;padding-bottom:0;margin-top:-.25em}
  .hero-stage{position:relative;grid-row:2;left:auto;top:auto;width:100%;height:58vw;max-height:420px;margin-block:2vw -6vw}
  .hero-foot{grid-row:4;grid-column:1;margin-top:28px}
  .hero-hint{display:none}
}

/* Facts */
.facts{background:var(--white)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0 32px;padding-block:44px;box-shadow:inset 0 1px 0 var(--line)}
.fact{display:grid;gap:10px;align-content:start}
.fact b{font-weight:300;font-size:clamp(2.2rem,4vw,3.8rem);line-height:.9;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.fact span{font-size:14px;color:var(--ink-60);max-width:22ch}
@media (max-width:760px){.facts .wrap{grid-template-columns:1fr 1fr;gap:32px 20px}}

/* Section scaffold */
.sec{padding-block:clamp(72px,10vw,150px)}
.sec-head{display:grid;grid-template-columns:7fr 5fr;gap:24px 64px;align-items:end;margin-bottom:clamp(40px,5vw,72px)}
@media (max-width:900px){.sec-head{grid-template-columns:1fr}}

/* Audience rows */
.rows{box-shadow:0 -1px 0 var(--line)}
.row{display:grid;grid-template-columns:44px 1.1fr 1.6fr auto;gap:16px 32px;align-items:center;padding:30px 0;box-shadow:0 1px 0 var(--line);text-decoration:none;position:relative}
.row::before{content:"";position:absolute;inset:0 calc(-1 * var(--side));background:var(--paper);transform:scaleY(0);transform-origin:bottom;transition:transform 620ms var(--ease);z-index:-1}
.row:hover::before{transform:scaleY(1)}
.row .ico{width:28px;height:28px}
.row h3{font-size:clamp(22px,2.2vw,32px);font-weight:300;letter-spacing:-.025em}
.row p{color:var(--ink-80);font-size:15px;max-width:52ch}
.row .go{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:500;white-space:nowrap}
.row .go .ico{width:18px;height:18px;transition:transform 520ms var(--ease)}
.row:hover .go .ico{transform:translateX(5px)}
.rows-wrap{position:relative;isolation:isolate}
@media (max-width:860px){.row{grid-template-columns:36px 1fr;padding:24px 0}.row p,.row .go{grid-column:2}}

/* Services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:0 40px}
.svc article{padding:28px 0 36px;box-shadow:0 -1px 0 var(--line);display:grid;gap:14px;align-content:start}
.svc .n{font-size:13px;color:var(--ink-60);font-variant-numeric:tabular-nums}
.svc p{color:var(--ink-80);font-size:15px}
@media (max-width:980px){.svc{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.svc{grid-template-columns:1fr}}

.press{margin-top:clamp(48px,6vw,88px);display:grid;grid-template-columns:4fr 8fr;gap:32px 64px}
.press p{margin-top:16px}
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:540px}
th,td{text-align:left;padding:18px 16px 18px 0;box-shadow:0 1px 0 var(--line);vertical-align:top}
th{font-size:13px;font-weight:500;color:var(--ink-60)}
td{font-size:15px}
td.p{white-space:nowrap;font-variant-numeric:tabular-nums;font-weight:500}
.gauge{display:block;margin-top:10px;height:4px;width:120px;background:var(--line);border-radius:999px;overflow:hidden}
.gauge i{display:block;height:100%;background:var(--gas);border-radius:999px}
@media (max-width:900px){.press{grid-template-columns:1fr}}

/* 3D studio */
.studio{background:var(--paper)}
.lab{display:grid;grid-template-columns:4fr 8fr;gap:32px 56px;align-items:stretch}
.tabs{display:grid;gap:0;box-shadow:0 -1px 0 var(--line)}
.tab{display:grid;grid-template-columns:28px 1fr;gap:2px 14px;text-align:left;padding:20px 0;border:0;background:none;color:var(--ink);font:inherit;cursor:pointer;box-shadow:0 1px 0 var(--line);position:relative}
.tab .k{grid-row:span 2;font-size:13px;color:var(--ink-60);padding-top:4px;font-variant-numeric:tabular-nums}
.tab b{font-weight:500;font-size:17px;transition:transform 520ms var(--ease)}
.tab span{color:var(--ink-60);font-size:14px}
.tab::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform 620ms var(--ease)}
.tab[aria-pressed="true"]::after{transform:scaleX(1)}
@media (hover:hover){.tab:hover b{transform:translateX(4px)}}
.lab-note{margin-top:28px;color:var(--ink-80);font-size:15px;min-height:72px;max-width:36ch}
.lab-side .btn{margin-top:20px}
.lab-stage{position:relative;min-height:600px;background:radial-gradient(50% 50% at 50% 46%,var(--white) 0%,var(--paper) 78%);min-width:0}
.lab-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
.lab-stage .poster{inset:12% 30% 14%;width:40%}
.lab-stage .shadow{left:32%;right:32%;bottom:7%}
.lab-tools{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:18px 20px}
.zoom{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-60)}
.zoom input{accent-color:var(--ink);width:150px}
.lab-hint{font-size:13px;color:var(--ink-60)}
.loadtxt{position:absolute;top:18px;right:20px;font-size:13px;color:var(--ink-60)}
.is-ready .loadtxt{display:none}
@media (max-width:900px){.lab{grid-template-columns:1fr}.lab-side{order:2}.lab-stage{min-height:420px;margin-inline:calc(-1 * max(var(--side),var(--pad-l)))}.lab-note{min-height:0}}

/* Process */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:0 24px;counter-reset:s}
.step{padding-top:26px;box-shadow:0 -1px 0 var(--line);position:relative;display:grid;gap:12px;align-content:start}
.step::before{content:"";position:absolute;left:0;top:-4px;width:9px;height:9px;border-radius:50%;background:var(--ink)}
.step .n{font-weight:300;font-size:clamp(2rem,3vw,3rem);line-height:.9;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.step h3{font-size:18px}
.step p{font-size:14px;color:var(--ink-80)}
@media (max-width:1000px){.steps{grid-template-columns:repeat(3,1fr);gap:40px 24px}}
@media (max-width:560px){.steps{grid-template-columns:1fr 1fr}}

.incl{margin-top:clamp(56px,7vw,100px);display:grid;grid-template-columns:5fr 7fr;gap:32px 64px;background:var(--paper);padding:clamp(28px,4vw,56px)}
.incl p{margin-top:16px}
.incl .btn{margin-top:28px}
.checks{list-style:none;margin:0;padding:0;columns:2;column-gap:40px}
.checks li{break-inside:avoid;display:flex;gap:12px;align-items:center;padding:14px 0;box-shadow:0 1px 0 var(--line);font-size:15px}
.checks .ico{width:18px;height:18px;stroke-width:2;color:var(--gas)}
@media (max-width:860px){.incl{grid-template-columns:1fr;margin-inline:calc(-1 * max(var(--side),var(--pad-l)))}.checks{columns:1}}

/* Projects — full-bleed photo strip */
.proj{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--white)}
.pc{position:relative;display:block;aspect-ratio:3/4;overflow:hidden;color:var(--white);text-decoration:none}
.pc img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.08);transition:transform 900ms var(--ease)}
.pc:hover img{transform:scale(1.14)}
.pc .cap{position:absolute;left:0;right:0;bottom:0;padding:22px 20px;display:grid;gap:6px;backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);mask-image:linear-gradient(to top,#000 55%,transparent);-webkit-mask-image:linear-gradient(to top,#000 55%,transparent);padding-top:64px;text-shadow:0 1px 14px rgb(0 0 0 / .45)}
.pc .t{font-size:13px;opacity:.85}
.pc h3{font-size:clamp(22px,2vw,30px);font-weight:400;letter-spacing:-.025em}
.pc .a{font-size:13px;opacity:.85}
.proj-note{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:22px;color:var(--ink-60);font-size:14px}
@media (max-width:1000px){.proj{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.proj{grid-template-columns:1fr}.pc{aspect-ratio:4/3}}

/* Equipment */
.eq{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,48px)}
.eq article{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:end;padding-top:28px;box-shadow:0 -1px 0 var(--line)}
.eq h3{font-size:clamp(26px,2.6vw,38px);font-weight:300;letter-spacing:-.03em}
.eq p{margin-top:14px;color:var(--ink-80);font-size:15px}
.eq ul{list-style:none;padding:0;margin:20px 0 24px;display:grid;gap:8px;font-size:14px}
.eq li{display:flex;gap:10px;align-items:center}
.eq li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gas)}
.eq figure{margin:0;position:relative;aspect-ratio:1/1;background:radial-gradient(50% 50% at 50% 50%,var(--paper),var(--white) 75%);display:grid;place-items:center}
.eq figure img{width:78%;max-height:86%;object-fit:contain;position:relative;z-index:1}
.eq figure .shadow{left:20%;right:20%;bottom:9%}
@media (max-width:980px){.eq{grid-template-columns:1fr}}
@media (max-width:480px){.eq article{grid-template-columns:1fr}.eq figure{order:-1;aspect-ratio:4/3}}

/* Safety */
.safe{display:grid;grid-template-columns:7fr 5fr;gap:32px 64px}
.safe ol{list-style:none;margin:0;padding:0;counter-reset:c;box-shadow:0 -1px 0 var(--line)}
.safe li{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:22px 0;box-shadow:0 1px 0 var(--line)}
.safe li .n{font-size:13px;color:var(--ink-60);padding-top:3px;font-variant-numeric:tabular-nums}
.safe li b{font-weight:500;font-size:17px;display:block}
.safe li span{color:var(--ink-60);font-size:14px}
.doc{background:var(--paper);padding:clamp(28px,3vw,44px);display:flex;flex-direction:column;gap:18px}
.doc svg.big{width:56px;height:56px;stroke-width:1.2}
.doc h3{font-size:clamp(24px,2.4vw,34px);font-weight:300;letter-spacing:-.03em}
.doc p{color:var(--ink-80);font-size:15px}
.doc .btn{align-self:flex-start;margin-top:auto}
@media (max-width:900px){.safe{grid-template-columns:1fr}}

/* Reviews */
.rev{display:grid;grid-template-columns:repeat(6,1fr);gap:2px}
.rev a{position:relative;aspect-ratio:9/13;background:var(--paper);display:flex;flex-direction:column;justify-content:space-between;padding:18px;text-decoration:none;transition:background 620ms var(--ease)}
.rev a:hover{background:#E7EAEE}
.rev .play{width:52px;height:52px;border-radius:50%;background:var(--white);display:grid;place-items:center;transition:transform 520ms var(--ease)}
.rev a:hover .play{transform:scale(1.08)}
.rev .play .ico{width:18px;height:18px;fill:var(--ink);stroke:none;margin-left:3px}
.rev b{font-weight:500;font-size:15px}
.rev span{display:block;font-size:13px;color:var(--ink-60)}
@media (max-width:1000px){.rev{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.rev{grid-template-columns:1fr 1fr}}

/* FAQ */
.faq{display:grid;grid-template-columns:5fr 7fr;gap:32px 64px}
.faq p.lede{margin-top:20px}
.qa{box-shadow:0 -1px 0 var(--line)}
.qa details{box-shadow:0 1px 0 var(--line)}
.qa summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font-size:clamp(17px,1.4vw,20px);font-weight:500;letter-spacing:-.01em}
.qa summary::-webkit-details-marker{display:none}
.qa summary .pm{flex:none;width:36px;height:36px;border-radius:50%;background:var(--paper);display:grid;place-items:center;transition:transform 520ms var(--ease),background 320ms var(--ease)}
.qa summary .pm .ico{width:16px;height:16px;stroke-width:2}
.qa details[open] .pm{transform:rotate(45deg);background:var(--gas);color:var(--white)}
.qa details p{padding:0 56px 26px 0;color:var(--ink-80);max-width:60ch}
@media (max-width:900px){.faq{grid-template-columns:1fr}}

/* Request */
.req{background:var(--white)}
.req-grid{display:grid;grid-template-columns:6fr 6fr;gap:40px 72px;padding-top:clamp(40px,5vw,72px);box-shadow:inset 0 1px 0 var(--line)}
.req-grid h2{font-size:clamp(2.2rem,5vw,4.6rem)}
.req-grid .lede{margin-top:22px}
.cts{margin:44px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:28px 32px}
.cts dt{font-size:13px;color:var(--ink-60)}
.cts dd{margin:6px 0 0;font-size:17px;overflow-wrap:anywhere;user-select:all}
.cts dd a{text-decoration:none}
.cts dd.big{font-size:clamp(22px,2.2vw,30px);font-weight:300;letter-spacing:-.02em}
.form{background:var(--paper);padding:clamp(24px,3.4vw,48px);display:grid;gap:22px;align-content:start}
.form h3{font-size:clamp(22px,2vw,28px);font-weight:300;letter-spacing:-.025em}
.fld{display:grid;gap:8px}
.fld>label,.fld>.lbl{font-size:13px;color:var(--ink-60)}
.fld input{height:54px;border:0;border-radius:0;background:transparent;box-shadow:inset 0 -1px 0 rgb(14 22 33 / .3);font:400 18px var(--f);color:var(--ink);padding:0;transition:box-shadow 320ms var(--ease)}
.fld input::placeholder{color:rgb(14 22 33 / .35)}
.fld input:focus{outline:none;box-shadow:inset 0 -2px 0 var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips input{position:absolute;opacity:0;pointer-events:none}
.chips label{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;background:var(--white);font-size:14px;cursor:pointer;transition:background 320ms var(--ease),color 320ms var(--ease)}
.chips input:checked+label{background:var(--ink);color:var(--white)}
.chips input:focus-visible+label{outline:2px solid var(--ink);outline-offset:2px}
.form .err{font-size:13px;color:#B42318}
.form small{font-size:13px;color:var(--ink-60);line-height:1.5}
.ok{background:var(--white);padding:16px 18px;font-size:14px}
@media (max-width:900px){.req-grid{grid-template-columns:1fr}.form{margin-inline:calc(-1 * max(var(--side),var(--pad-l)))}}
@media (max-width:440px){.cts{grid-template-columns:1fr}}

footer{background:var(--ink);color:rgb(255 255 255 / .62);margin-top:clamp(72px,10vw,150px)}
footer .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px 40px;padding-block:36px}
footer .logo{color:var(--white)}
footer .logo svg{height:26px}
footer nav{display:flex;flex-wrap:wrap;gap:22px;font-size:14px}
footer nav a{text-decoration:none;transition:color 320ms var(--ease)}
footer nav a:hover{color:var(--white)}
footer small{font-size:13px}

.d1{--d:300ms}.d2{--d:450ms}.d3{--d:600ms}.d4{--d:900ms}.d5{--d:1050ms}.d6{--d:1200ms}
@media (prefers-reduced-motion:reduce){.rise{--d:0ms}}
.pc{margin:0}
.tel-inline{user-select:all;font-weight:500}
.sprite{position:absolute;width:0;height:0}
.sec--tight{padding-top:0}
.gauge .g1{width:8%}.gauge .g2{width:50%}.gauge .g3{width:100%}
@media (max-width:900px){.lab-tools{position:relative;padding:12px 16px}.lab-stage{display:flex;flex-direction:column;justify-content:flex-end}}
@media (max-width:900px){.lab-stage canvas{bottom:64px;height:auto}.lab-stage .poster{inset:8% 28% 22%}.lab-stage .shadow{bottom:68px}}

/* ===== v3: facts rebalanced ===== */
.facts .wrap{grid-template-columns:1fr 1fr 1fr 1.25fr;gap:0;padding-block:0;box-shadow:inset 0 1px 0 var(--line),inset 0 -1px 0 var(--line)}
.fact{padding:40px 28px 40px 0;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:10px;row-gap:14px;align-items:end;box-shadow:inset -1px 0 0 var(--line);margin-right:28px}
.fact b{grid-column:1;grid-row:1;font-size:clamp(2.6rem,4.6vw,4.4rem)}
.fact b i{font-style:normal;font-size:.5em;vertical-align:.7em;margin-left:2px}
.fact .u{grid-column:2;grid-row:1;align-self:end;font-size:15px;color:var(--ink);padding-bottom:.35em;max-width:none}
.fact .c{grid-column:1 / 3;grid-row:2;font-size:14px;color:var(--ink-60);max-width:24ch}
.lic{margin:20px 0;display:grid;grid-template-columns:auto 1fr;gap:6px 16px;align-content:center;padding:24px 26px;background:var(--paper);text-decoration:none;position:relative;overflow:hidden;isolation:isolate}
.lic::before{content:"";position:absolute;inset:0;background:var(--gas);transform:scaleY(0);transform-origin:bottom;transition:transform 620ms var(--ease);z-index:-1}
.lic:hover::before{transform:scaleY(1)}
.lic>.ico{grid-row:span 3;width:36px;height:36px;stroke-width:1.3;align-self:start}
.lic-t{font-size:19px;font-weight:500;letter-spacing:-.015em;line-height:1.2}
.lic-s{font-size:14px;color:var(--ink-80);max-width:30ch}
.lic-go{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;margin-top:6px}
.lic-go .ico{width:16px;height:16px;transition:transform 520ms var(--ease)}
.lic:hover .lic-go .ico{transform:translateX(4px)}
@media (max-width:1100px){.facts .wrap{grid-template-columns:1fr 1fr 1fr}.lic{grid-column:1 / -1;margin:0 0 28px}}
@media (max-width:700px){.facts .wrap{grid-template-columns:1fr 1fr}.fact{margin-right:0;padding:28px 16px 28px 0}.fact:nth-child(2){padding-left:16px;box-shadow:none}.fact:nth-child(3){grid-column:1 / -1;box-shadow:inset 0 1px 0 var(--line)}}

/* ===== v3: video reviews ===== */
.rev{grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.6vw,24px)}
.vr{margin:0;position:relative;aspect-ratio:9/16;background:var(--paper);overflow:hidden;cursor:pointer}
.vr video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:var(--paper)}
.vr-play{position:absolute;left:50%;top:50%;width:72px;height:72px;margin:-36px 0 0 -36px;border-radius:50%;border:0;background:var(--gas);display:grid;place-items:center;cursor:pointer;transition:transform 520ms var(--ease)}
.vr-play .ico{width:22px;height:22px;fill:var(--white);stroke:none;margin-left:4px}
.vr:hover .vr-play{transform:scale(1.08)}
.vr figcaption{position:absolute;left:16px;bottom:14px;font-size:13px;color:var(--white);text-shadow:0 1px 10px rgb(0 0 0 / .5)}
.vr.is-playing .vr-play,.vr.is-playing figcaption{display:none}
@media (min-width:1101px){.rev{grid-template-columns:repeat(6,1fr)}}
@media (max-width:520px){.rev{grid-template-columns:1fr 1fr}}

/* ===== v3: FAQ numbering ===== */
.qa summary{justify-content:flex-start}
.q-n{flex:none;width:40px;font-size:13px;font-weight:400;color:var(--ink-60);font-variant-numeric:tabular-nums}
.q-t{flex:1}
.qa details p{padding-left:40px}

/* ===== v3: map ===== */
.map{position:relative;margin-top:clamp(56px,7vw,100px)}
.map-frame{height:clamp(380px,48vw,560px);background:var(--paper)}
.map-frame iframe{width:100%;height:100%;border:0;display:block;filter:grayscale(1) contrast(1.05) brightness(1.03)}
.map-ui{position:absolute;inset:0;pointer-events:none;display:flex;align-items:flex-end;padding-block:28px}
.map-card{pointer-events:auto;background:var(--white);padding:26px 28px;display:grid;gap:4px;max-width:440px;box-shadow:0 24px 48px -24px rgb(14 22 33 / .35)}
.map-k{font-size:13px;color:var(--ink-60)}
.map-card b{font-size:clamp(24px,2.2vw,30px);font-weight:300;letter-spacing:-.025em;line-height:1.1}
.map-s{font-size:14px;color:var(--ink-60)}
.map-act{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
@media (max-width:600px){.map-ui{position:relative;padding-block:0}.map-card{max-width:none;margin:-40px 0 0;width:100%}}
footer{margin-top:0}

/* ===== v4: stats — clean row ===== */
.stats{background:var(--white)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between;gap:24px 40px;padding-block:clamp(40px,5vw,72px);position:relative}
.stats .wrap::before,.stats .wrap::after{content:"";position:absolute;left:max(var(--side),var(--pad-l));right:max(var(--side),var(--pad-r));height:1px;background:var(--line)}
.stats .wrap::before{top:0}.stats .wrap::after{bottom:0}
.stat{display:grid;gap:12px;align-content:start}
.stat b{font-weight:300;font-size:clamp(2.6rem,4.8vw,4.8rem);line-height:.9;letter-spacing:-.05em;font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--accent-dark)}
.stat b em{font-style:normal;color:var(--gas)}
.stat span{font-size:15px;color:var(--ink-60);white-space:nowrap}
@media (max-width:820px){.stats .wrap{grid-template-columns:1fr 1fr;justify-content:stretch;gap:36px 20px}}

/* ===== v4: active nav ===== */
.nav a[aria-current="page"]{color:var(--ink)}
.nav a[aria-current="page"]::after{content:"";display:block;height:2px;background:var(--gas);margin-top:4px;border-radius:2px}
.mnav a[aria-current="page"]{color:var(--gas)}

/* ===== v4: inner page hero ===== */
.phero{padding-block:clamp(40px,7vw,104px) clamp(40px,5vw,72px);background:radial-gradient(60% 80% at 85% 0%,var(--accent-soft),var(--white) 70%)}
.crumbs{display:flex;gap:10px;font-size:13px;color:var(--ink-60);margin-bottom:clamp(24px,3vw,40px)}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.phero-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px 64px;align-items:end}
.phero h1{font-size:clamp(2.8rem,8vw,8rem);line-height:.88;letter-spacing:-.045em;font-weight:300}
.phero .lede{margin-bottom:6px}
.phero .cta-row{margin-top:28px}
@media (max-width:900px){.phero-grid{grid-template-columns:1fr}}

/* ===== v4: text blocks ===== */
.split{display:grid;grid-template-columns:5fr 7fr;gap:32px 64px}
.statement{font-size:clamp(24px,2.6vw,38px);font-weight:300;line-height:1.18;letter-spacing:-.025em;text-wrap:balance;max-width:24ch}
.prose{display:grid;gap:18px;color:var(--ink-80);font-size:17px;max-width:60ch}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.list-rows{box-shadow:0 -1px 0 var(--line)}
.lr{display:grid;grid-template-columns:72px 1fr 1.4fr;gap:12px 32px;padding:28px 0;box-shadow:0 1px 0 var(--line);align-items:baseline}
.lr .n{font-size:clamp(28px,2.6vw,40px);font-weight:300;letter-spacing:-.04em;color:var(--gas);font-variant-numeric:tabular-nums;line-height:1}
.lr h3{font-size:clamp(20px,2vw,28px);font-weight:300;letter-spacing:-.025em}
.lr p{color:var(--ink-80);font-size:15px;max-width:56ch}
@media (max-width:800px){.lr{grid-template-columns:52px 1fr}.lr p{grid-column:2}}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,28px)}
.tile{background:var(--paper);padding:clamp(22px,2.4vw,32px);display:grid;gap:14px;align-content:start}
.tile .ico{width:32px;height:32px;color:var(--gas);stroke-width:1.4}
.tile h3{font-size:20px}
.tile p{color:var(--ink-80);font-size:15px}
@media (max-width:1000px){.grid4{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.grid4{grid-template-columns:1fr}}

/* ===== v4: services detail ===== */
.sv{display:grid;grid-template-columns:1fr 1fr;gap:28px 64px;padding-block:clamp(40px,5vw,72px);box-shadow:0 -1px 0 var(--line);scroll-margin-top:80px}
.sv-head{display:grid;gap:18px;align-content:start}
.sv-n{font-size:14px;color:var(--gas);font-weight:500;font-variant-numeric:tabular-nums}
.sv-head h2{font-size:clamp(2rem,4vw,3.6rem)}
.sv-body{display:grid;gap:24px;align-content:start}
.sv-body .lede{max-width:52ch}
.sv-inc b{display:block;font-size:13px;font-weight:500;color:var(--ink-60);margin-bottom:8px}
.sv-inc ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.sv-inc li{display:flex;gap:10px;align-items:center;padding:12px 0;box-shadow:0 1px 0 var(--line);font-size:15px}
.sv-inc .ico{width:18px;height:18px;stroke-width:2;color:var(--gas)}
.sv-body .btn{justify-self:start}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.toc a{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;background:var(--white);box-shadow:inset 0 0 0 1px var(--line);text-decoration:none;font-size:14px;transition:background 320ms var(--ease),color 320ms var(--ease)}
.toc a:hover{background:var(--gas);color:var(--white);box-shadow:none}
@media (max-width:900px){.sv{grid-template-columns:1fr}}
@media (max-width:520px){.sv-inc ul{grid-template-columns:1fr}}

/* ===== v4: catalog ===== */
.cat-head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:clamp(28px,3vw,44px)}
.cat-head h2{font-size:clamp(2rem,4.4vw,4rem)}
.cat-head p{color:var(--ink-60);font-size:15px;max-width:44ch}
#boilers,#generators{scroll-margin-top:80px}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px)}
.products.four{grid-template-columns:repeat(4,1fr)}
.prod{background:var(--paper);display:grid;grid-template-rows:auto 1fr;position:relative;overflow:hidden}
.prod figure{margin:0;position:relative;aspect-ratio:1/1;display:grid;place-items:center;background:radial-gradient(50% 50% at 50% 46%,var(--white),var(--paper) 78%)}
.prod figure img{width:44%;max-height:76%;object-fit:contain;position:relative;z-index:1;transition:transform 900ms var(--ease)}
.prod.gen figure img{width:76%}
.prod:hover figure img{transform:scale(1.05) translateY(-4px)}
.prod figure .shadow{left:26%;right:26%;bottom:9%}
.kw{position:absolute;left:16px;top:16px;z-index:2;background:var(--white);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:500}
.prod-b{padding:22px 22px 24px;display:grid;gap:10px;align-content:start}
.prod-b h3{font-size:18px;font-weight:500;line-height:1.25}
.prod-b .meta{font-size:14px;color:var(--ink-60)}
.price{font-size:clamp(24px,2.2vw,30px);font-weight:300;letter-spacing:-.025em;margin-top:6px}
.prod-b .btn{margin-top:10px;justify-self:start}
.cat-note{margin-top:20px;font-size:13px;color:var(--ink-60)}
@media (max-width:1100px){.products.four{grid-template-columns:1fr 1fr}}
@media (max-width:900px){.products{grid-template-columns:1fr 1fr}}
@media (max-width:540px){.products,.products.four{grid-template-columns:1fr}}
.promo3d{display:grid;grid-template-columns:1fr auto;gap:24px 48px;align-items:center;background:var(--accent-soft);padding:clamp(28px,4vw,56px)}
.promo3d h3{font-size:clamp(24px,2.6vw,36px);font-weight:300;letter-spacing:-.03em}
.promo3d p{margin-top:12px;color:var(--ink-80);max-width:52ch}
@media (max-width:760px){.promo3d{grid-template-columns:1fr}}

/* ===== v4: projects page ===== */
.prow{display:grid;grid-template-columns:7fr 5fr;min-height:clamp(360px,42vw,560px);background:var(--paper)}
.prow+.prow{margin-top:2px}
.prow:nth-child(even){grid-template-columns:5fr 7fr}
.prow:nth-child(even) .prow-img{order:2}
.prow-img{position:relative;overflow:hidden;min-height:300px}
.prow-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 900ms var(--ease)}
.prow:hover .prow-img img{transform:scale(1.09)}
.prow-b{padding:clamp(28px,4vw,64px);display:grid;gap:18px;align-content:end}
.prow-b .t{font-size:14px;color:var(--gas);font-weight:500}
.prow-b h2{font-size:clamp(2.2rem,4.6vw,4.4rem)}
.prow-b dl{margin:8px 0 0;display:grid;grid-template-columns:auto 1fr;gap:10px 20px;font-size:15px}
.prow-b dt{color:var(--ink-60)}
.prow-b dd{margin:0}
.prow-b .btn{justify-self:start;margin-top:8px}
@media (max-width:860px){.prow,.prow:nth-child(even){grid-template-columns:1fr}.prow:nth-child(even) .prow-img{order:0}.prow-img{aspect-ratio:4/3;min-height:0}}

/* ===== v4: contacts page ===== */
.cgrid{display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 -1px 0 var(--line)}
.citem{padding:28px 24px 32px 0;display:grid;gap:10px;align-content:start;box-shadow:inset -1px 0 0 var(--line);margin-right:24px}
.citem:last-child{box-shadow:none}
.citem .ico{width:26px;height:26px;color:var(--gas)}
.citem span{font-size:13px;color:var(--ink-60)}
.citem b{font-size:clamp(18px,1.6vw,22px);font-weight:400;letter-spacing:-.015em;overflow-wrap:anywhere;user-select:all}
.citem a{text-decoration:none}
@media (max-width:900px){.cgrid{grid-template-columns:1fr 1fr}.citem:nth-child(2){box-shadow:none}}
@media (max-width:500px){.cgrid{grid-template-columns:1fr}.citem{box-shadow:0 1px 0 var(--line)!important;margin-right:0}}
.done{display:inline-flex;align-items:center;gap:8px}
.done::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gas)}

/* ===== v5: FAQ animation support ===== */
.qa-a{overflow:hidden}

/* ===== v5: 3D view picker (mobile) ===== */
.pick{display:none}
@media (max-width:900px){
  .lab{display:flex;flex-direction:column;gap:16px}
  .lab-side{display:contents}
  .pick{order:1;position:relative;display:flex;align-items:center;gap:10px;width:100%;min-height:56px;padding:0 18px;border:0;border-radius:999px;background:var(--white);color:var(--ink);font:inherit;cursor:pointer;box-shadow:inset 0 0 0 1px var(--line)}
  .pick-k{font-size:13px;color:var(--ink-60)}
  .pick-v{font-weight:500;font-size:16px}
  .pick .ico{margin-left:auto;width:20px;height:20px;transition:transform 420ms var(--ease)}
  .pick[aria-expanded="true"] .ico{transform:rotate(180deg)}
  .lab{position:relative}
  .tabs{order:2;position:absolute;left:0;right:0;top:64px;z-index:5;background:var(--white);box-shadow:0 24px 40px -20px rgb(14 22 33 / .35);border-radius:20px;padding:6px 18px;display:none}
  .tabs.is-open{display:grid;animation:drop 360ms var(--ease)}
  @keyframes drop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
  .tab{box-shadow:0 1px 0 var(--line);padding:14px 0}
  .tab:last-child{box-shadow:none}
  .tab::after{display:none}
  .tab[aria-pressed="true"] b{color:var(--gas)}
  .lab-stage{order:3}
  .lab-note{order:4;margin-top:4px}
  .lab-side>.btn{order:5;margin-top:0;align-self:flex-start}
}

/* ===== v5: stats mobile — right column to the edge ===== */
@media (max-width:820px){.stats .wrap{grid-template-columns:1fr auto;justify-content:normal}}

/* ===== v5: pressure table as stacked rows on phones ===== */
@media (max-width:640px){
  .tbl{overflow:visible}
  .tbl table,.tbl tbody{display:block;min-width:0}
  .tbl thead{display:none}
  .tbl tr{display:grid;grid-template-columns:1fr auto;gap:6px 16px;padding:18px 0;box-shadow:0 1px 0 var(--line)}
  .tbl td{padding:0;box-shadow:none}
  .tbl td:first-child{font-weight:500;font-size:16px}
  .tbl td.p{text-align:right}
  .tbl td.p .gauge{margin-left:auto;width:96px}
  .tbl td:last-child{grid-column:1 / -1;color:var(--ink-80);font-size:14px}
}

/* ===== v6: hero copy centred on phones ===== */
@media (max-width:860px){
  .hero-copy{max-width:none;justify-items:center;text-align:center;margin-inline:auto}
  .hero-copy .lede{margin-inline:auto}
  .hero-copy .cta-row{flex-direction:column;justify-content:center;gap:14px}
  .hero-foot{justify-content:center}
}

/* ===== v7: mobile menu fix ===== */
.mnav .wrap{display:block;height:auto}
.mnav a:not(.btn){font-size:20px}
.mnav a[aria-current="page"]{font-weight:500}
.mnav .btn{display:flex;justify-content:center;width:100%}

/* ===== v7: performance on phones ===== */
@media (max-width:860px){
  .hdr{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgb(255 255 255 / .97)}
  @keyframes rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
  .pc .cap{backdrop-filter:none;-webkit-backdrop-filter:none;mask-image:none;-webkit-mask-image:none;background:linear-gradient(to top,rgb(10 20 30 / .55),rgb(10 20 30 / 0));padding-top:56px}
  .shadow{filter:none}
  .pc img,.prow-img img,.prod figure img{transition:none}
}
.hero-stage,.lab-stage{contain:layout paint}

/* ===== v8: lighter home ===== */
.sec{padding-block:clamp(88px,11vw,168px)}
.sec-title{font-size:clamp(2.4rem,5.6vw,5.2rem);line-height:.92;letter-spacing:-.04em;margin-bottom:clamp(40px,5vw,72px)}

/* audiences: four quiet tiles */
.auds{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.4vw,20px)}
.aud-c{position:relative;display:grid;grid-template-rows:auto 1fr auto;gap:14px;padding:clamp(24px,2.4vw,36px);background:var(--paper);text-decoration:none;min-height:clamp(260px,24vw,340px);isolation:isolate;overflow:hidden}
.aud-c::before{content:"";position:absolute;inset:0;background:var(--accent-soft);transform:scaleY(0);transform-origin:bottom;transition:transform 620ms var(--ease);z-index:-1}
.aud-c:hover::before{transform:scaleY(1)}
.aud-i{width:56px;height:56px;border-radius:50%;background:var(--white);display:grid;place-items:center;color:var(--gas)}
.aud-i .ico{width:26px;height:26px}
.aud-c h3{font-size:clamp(22px,1.9vw,28px);font-weight:300;letter-spacing:-.025em;align-self:end}
.aud-c p{color:var(--ink-60);font-size:15px;margin-top:-6px}
.aud-go{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--gas)}
.aud-go .ico{width:18px;height:18px;transition:transform 520ms var(--ease)}
.aud-c:hover .aud-go .ico{transform:translateX(5px)}
@media (max-width:1000px){.auds{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.auds{grid-template-columns:1fr}.aud-c{min-height:0;grid-template-columns:56px 1fr;grid-template-rows:auto auto auto;column-gap:18px;row-gap:4px;align-items:center}.aud-i{grid-row:span 3}.aud-c h3{align-self:auto}.aud-c p{margin-top:0}}

/* turnkey: the one blue accent on the page */
.turnkey{background:var(--accent-dark);color:var(--white)}
.turnkey .wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px 72px;padding-block:clamp(72px,9vw,136px);align-items:center}
.tk-head h2{font-size:clamp(2.6rem,5.4vw,5rem);line-height:.9;letter-spacing:-.045em}
.tk-head p{margin-top:24px;color:rgb(255 255 255 / .74);font-size:17px;max-width:36ch}
.tk-head .btn{margin-top:32px}
.btn--white{background:var(--white);color:var(--accent-dark)}
.btn--white .btn__fill{background:var(--gas)}
.btn--white:hover .btn__label,.btn--white:hover .ico{color:var(--white)}
.tk-steps{display:grid;box-shadow:0 -1px 0 rgb(255 255 255 / .18)}
.tk-s{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:16px;padding:26px 0;box-shadow:0 1px 0 rgb(255 255 255 / .18);text-decoration:none;color:var(--white)}
.tk-n{font-size:15px;color:#7FD0F5;font-variant-numeric:tabular-nums}
.tk-t{font-size:clamp(22px,2.4vw,34px);font-weight:300;letter-spacing:-.025em;line-height:1.1}
.tk-s .ico{width:22px;height:22px;opacity:.6;transition:transform 520ms var(--ease),opacity 320ms var(--ease)}
.tk-s:hover .ico{transform:translateX(6px);opacity:1}
@media (max-width:900px){.turnkey .wrap{grid-template-columns:1fr}.tk-s{grid-template-columns:44px 1fr auto}}

/* lab: price line instead of instructions */
.lab-price{display:grid;gap:4px;margin-top:28px;font-size:14px;color:var(--ink-60)}
.lab-price b{font-size:clamp(28px,2.6vw,38px);font-weight:300;letter-spacing:-.03em;color:var(--ink)}
.lab-side .btn{margin-top:18px}
.lab-note{min-height:0}

/* projects + reviews in one block */
.rev-wrap{margin-top:clamp(56px,6vw,88px)}
.rev-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:24px}
.rev-head h3{font-size:clamp(22px,2vw,30px);font-weight:300;letter-spacing:-.025em}
.more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--gas);text-decoration:none;white-space:nowrap}
.more .ico{width:18px;height:18px;transition:transform 520ms var(--ease)}
.more:hover .ico{transform:translateX(4px)}
@media (max-width:640px){
  .rev{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:46%;overflow-x:auto;scroll-snap-type:x mandatory;margin-inline:calc(-1 * max(var(--side),var(--pad-l)));padding-inline:max(var(--side),var(--pad-l));scrollbar-width:none}
  .rev::-webkit-scrollbar{display:none}
  .vr{scroll-snap-align:start}
}

/* mobile: centred section titles read calmer */
@media (max-width:640px){.sec-title{margin-bottom:32px}}
@media (max-width:900px){.lab-price{order:5;margin-top:8px}.lab-side>.btn{order:6}}

.sec--top0{padding-top:0}
#promo3d{margin-top:clamp(28px,3vw,44px)}
/* standalone page reset */
html,body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}