/* Layout: dark mechanical-room hero with live airflow, then light field-manual sections; gauge blue/red carry through */
:root{
  --bg:#f2f4f6; --surface:#ffffff; --ink:#111c26; --muted:#56636f; --line:#d3dbe2;
  --low:#1f63b0; --high:#d0352c;
  --band:#0b131a; --band-2:#121d26; --band-ink:#eaf1f6; --band-muted:#8fa2b1;
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Source Sans 3","Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f171e; --surface:#16222c; --ink:#e5ecf1; --muted:#9aabb8; --line:#25333e;
  --low:#5a9be3; --high:#f0675c; --band:#070c11; --band-2:#0e171f; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0f171e; --surface:#16222c; --ink:#e5ecf1; --muted:#9aabb8; --line:#25333e;
  --low:#5a9be3; --high:#f0675c; --band:#070c11; --band-2:#0e171f; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--body);overflow-x:hidden}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
a{color:var(--low)}
a:focus-visible,button:focus-visible{outline:2px solid var(--high);outline-offset:3px}
h1,h2,h3{font-family:var(--display);line-height:1;text-wrap:balance;margin:0}
.label{font:500 12px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ---------- top bar ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--band) 86%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--band)}
.top .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:14px}
.mark{font:800 24px/1 var(--display);letter-spacing:.03em;color:var(--band-ink);text-decoration:none;display:flex;align-items:center;gap:10px}
.mark span{color:var(--high)}
.mark i{width:10px;height:10px;border-radius:50%;background:var(--low);box-shadow:0 0 0 3px rgba(90,155,227,.25);animation:pulse 2.4s ease-in-out infinite}
.top nav{display:flex;gap:24px;align-items:center}
.top nav a{font:500 12px var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--band-muted);text-decoration:none;transition:color .2s}
.top nav a:hover{color:var(--band-ink)}
.top nav a.cta{color:#fff;background:var(--high);padding:9px 14px;border-radius:2px}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;transform-origin:left;transform:scaleX(var(--p,0));background:linear-gradient(90deg,var(--high),var(--low))}

/* ---------- hero ---------- */
.hero{position:relative;background:radial-gradient(120% 80% at 80% 20%,var(--band-2),var(--band));color:var(--band-ink);overflow:hidden;isolation:isolate}
#air{position:absolute;inset:0;width:100%;height:100%;z-index:-1;display:block}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--band) 0%,transparent 55%),linear-gradient(0deg,var(--band) 0%,transparent 30%);pointer-events:none}
.hero .wrap{padding-block:clamp(56px,10vw,120px) clamp(48px,8vw,96px);display:flex;flex-direction:column;gap:28px}
.eyebrow{display:flex;gap:12px;align-items:center;color:var(--band-muted)}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--high)}
.hero h1{font-weight:800;font-size:clamp(46px,8.2vw,108px);text-transform:uppercase;letter-spacing:-.005em;max-width:11.5em}
.hero h1 .hot{color:var(--high)}
.flip{display:grid;gap:6px;max-width:100%;min-height:7.2em}
.flip .q{font:500 13px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--band-muted)}
.flip .said,.flip .now{font:800 italic clamp(26px,4.2vw,44px)/1.1 var(--display);overflow-wrap:anywhere}
.flip .said{position:relative;color:var(--band-muted);width:fit-content;max-width:100%}
.flip .said::after{content:"";position:absolute;left:-2%;right:-2%;top:54%;height:4px;background:var(--high);transform-origin:left;transform:scaleX(1);transition:transform .5s cubic-bezier(.7,0,.3,1)}
.flip .now{color:var(--band-ink);transition:opacity .45s,transform .45s}
.flip .now b{font-weight:800;color:var(--low)}
.flip.reset .said::after{transform:scaleX(0);transition:none}
.flip.reset .now{opacity:0;transform:translateY(10px);transition:none}
.hero p.sub{max-width:36em;font-size:clamp(17px,1.8vw,20px);color:#c6d3dd;margin:0}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--high);color:#fff;font:600 14px var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:16px 22px;text-decoration:none;border-radius:2px;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px -10px var(--high)}
.btn.ghost{background:transparent;color:var(--band-ink);border:1px solid rgba(234,241,246,.3)}
.btn.ghost:hover{box-shadow:none;border-color:var(--band-ink)}
.legend{display:flex;gap:18px;flex-wrap:wrap;font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--band-muted)}
.legend span{display:flex;align-items:center;gap:8px}
.legend span::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--c)}

/* ---------- data plate ---------- */
.plate-band{background:var(--band);padding-bottom:56px}
.plate{position:relative;background:linear-gradient(135deg,#c9d1d8,#eef2f5 40%,#b9c2ca);color:#1a242d;border-radius:6px;padding:22px 26px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px 28px;box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 20px 40px -20px rgba(0,0,0,.6)}
.plate::before,.plate::after{content:"";position:absolute;top:10px;width:9px;height:9px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff,#7d8790)}
.plate::before{left:10px}.plate::after{right:10px}
.plate .k{font:500 10px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#4b5761}
.plate .v{font:600 22px/1.15 var(--display);text-transform:uppercase;margin-top:4px}
.plate .title{grid-column:1/-1;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-bottom:1px solid #8e99a3;padding-bottom:10px}
.plate .title strong{font:800 18px var(--display);letter-spacing:.06em;text-transform:uppercase}

/* ---------- sections ---------- */
section{padding-block:clamp(64px,9vw,112px);border-bottom:1px solid var(--line)}
.head{display:flex;flex-direction:column;gap:14px;margin-bottom:44px;max-width:44em}
.head h2{font-weight:800;font-size:clamp(38px,5.4vw,64px);text-transform:uppercase}
.head p{margin:0;font-size:19px;color:var(--muted)}

.reveal{transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.pre{opacity:.001;transform:translateY(28px)}

.svc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);padding:28px;display:flex;flex-direction:column;gap:10px;overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.card::before{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:var(--c);transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.7,0,.3,1)}
.card:hover{transform:translateY(-4px);border-color:var(--c);box-shadow:0 18px 40px -24px var(--c)}
.card:hover::before{transform:scaleX(1)}
.card .tag{font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--c)}
.card h3{font-weight:800;font-size:30px;text-transform:uppercase}
.card p{margin:0;color:var(--muted)}
.card .num{position:absolute;right:18px;top:10px;font:800 64px/1 var(--display);color:var(--c);opacity:.08}

/* call flow with refrigerant line */
.flow{position:relative;padding-left:56px}
.steps-list{list-style:none;margin:0;padding:0}
.flow .pipe{position:absolute;left:18px;top:8px;bottom:8px;width:4px;background:var(--line);border-radius:2px;overflow:hidden}
.flow .pipe i{position:absolute;inset:0;transform-origin:top;transform:scaleY(var(--fill,1));background:linear-gradient(var(--high),var(--low))}
.flow li{position:relative;padding-block:22px}
.flow li::before{content:"";position:absolute;left:-46px;top:28px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:3px solid var(--low)}
.flow .step{font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--high)}
.flow h3{font-weight:800;font-size:32px;text-transform:uppercase;margin:6px 0}
.flow p{margin:0;color:var(--muted);max-width:40em}

/* about */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:56px;align-items:start}
.quote{font:800 italic clamp(30px,3.8vw,46px)/1.08 var(--display);text-transform:uppercase}
.quote span{color:var(--high)}
.about .note{margin-top:20px;color:var(--muted);max-width:30em}
.jobs{display:grid;gap:0;border-top:1px solid var(--line)}
.job{display:grid;grid-template-columns:170px minmax(0,1fr);gap:20px;padding-block:20px;border-bottom:1px solid var(--line);transition:background .2s}
.job:hover{background:var(--surface)}
.job .label{color:var(--low);padding-top:6px}
.job h3{font-weight:600;font-size:26px}
.job p{margin:6px 0 0;color:var(--muted)}

/* contact */
.contact{background:var(--band);color:var(--band-ink);border:0;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;inset:auto -10% -60% -10%;height:120%;background:radial-gradient(50% 50% at 30% 50%,rgba(208,53,44,.28),transparent 70%),radial-gradient(50% 50% at 75% 50%,rgba(31,99,176,.3),transparent 70%);pointer-events:none}
.contact .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px;align-items:end}
.contact h2{font-weight:800;font-size:clamp(46px,7vw,92px);text-transform:uppercase}
.contact p{color:#c6d3dd;margin:16px 0 0;max-width:30em;font-size:19px}
.reach{display:flex;flex-direction:column;gap:12px;min-width:0}
.reach .label{color:var(--band-muted)}
.email-row{display:flex;flex-wrap:wrap;gap:10px}
.email{flex:1 1 260px;min-width:0;font:500 clamp(14px,1.8vw,17px) var(--mono);user-select:all;overflow-wrap:anywhere;padding:15px 16px;border:1px solid rgba(234,241,246,.25);background:rgba(255,255,255,.04);color:var(--band-ink);text-decoration:none}
.copy{background:transparent;color:var(--band-ink);border:1px solid rgba(234,241,246,.3);font:600 13px var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:0 18px;min-height:50px;border-radius:2px;cursor:pointer}
.copy:hover{border-color:var(--band-ink)}
.li{font:500 13px var(--mono);letter-spacing:.04em;color:var(--band-ink)}

footer{background:var(--band);color:var(--band-muted);border-top:1px solid rgba(255,255,255,.07)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-block:26px}
footer .label{color:var(--band-muted)}

@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(90,155,227,0)}}

@media (max-width:860px){
  .top nav a:not(.cta){display:none}
  .plate{grid-template-columns:repeat(2,minmax(0,1fr))}
  .svc{grid-template-columns:1fr}
  .about,.contact .wrap{grid-template-columns:1fr;gap:32px}
  .job{grid-template-columns:1fr;gap:4px}
  .flow{padding-left:44px}
  .flow li::before{left:-38px}
  .flow .pipe{left:12px}
}

/* ---------- shared additions for inner pages ---------- */
.top nav a.on{color:var(--band-ink)}
.top nav a.on::after{content:"";display:block;height:2px;background:var(--high);margin-top:4px}
.hero.page .wrap{padding-block:clamp(48px,8vw,96px) clamp(40px,6vw,72px);gap:22px}
.hero.page h1{font-size:clamp(42px,6.6vw,84px);max-width:13em}
.crumbs{display:flex;gap:10px;flex-wrap:wrap;font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--band-muted)}
.crumbs a{color:var(--band-muted);text-decoration:none}
.crumbs a:hover{color:var(--band-ink)}
.crumbs span{opacity:.5}
.more{display:inline-flex;gap:8px;align-items:center;margin-top:auto;padding-top:10px;font:600 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--c,var(--low));text-decoration:none}
a.card{text-decoration:none;color:inherit}
a.card:hover .more span{transform:translateX(4px)}
.more span{display:inline-block;transition:transform .25s}
.inline-link{display:inline-flex;margin-top:28px;font:600 13px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--low);text-decoration:none;gap:8px}
.inline-link:hover{color:var(--high)}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:56px;align-items:start}
.split > *{min-width:0}
.big-p{font-size:clamp(19px,2vw,22px);line-height:1.5;margin:0 0 18px;max-width:34em}
.muted{color:var(--muted)}
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--line)}
.ticks li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:14px;padding-block:16px;border-bottom:1px solid var(--line)}
.ticks li::before{content:"";width:14px;height:14px;margin-top:6px;border:3px solid var(--c,var(--low));border-radius:50%}
.ticks b{display:block;font:600 21px/1.2 var(--display);text-transform:uppercase;letter-spacing:.01em}
.ticks span{color:var(--muted)}

/* horizontal call-flow strip */
.strip{display:grid;grid-template-columns:repeat(var(--n,5),minmax(0,1fr));gap:0;counter-reset:s;border:1px solid var(--line);background:var(--surface)}
.strip div{padding:20px 18px;border-right:1px solid var(--line);position:relative}
.strip div:last-child{border-right:0}
.strip div::before{counter-increment:s;content:counter(s,decimal-leading-zero);display:block;font:500 11px var(--mono);letter-spacing:.14em;color:var(--high);margin-bottom:8px}
.strip h4{margin:0 0 6px;font:800 22px/1 var(--display);text-transform:uppercase}
.strip p{margin:0;font-size:15px;color:var(--muted)}
.strip div::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:linear-gradient(90deg,var(--high),var(--low));transform:scaleX(0);transform-origin:left;transition:transform .5s}
.strip div:hover::after{transform:scaleX(1)}

/* good / better / best */
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.tier{background:var(--surface);border:1px solid var(--line);padding:26px;display:flex;flex-direction:column;gap:10px}
.tier.mid{border-color:var(--low);box-shadow:0 20px 40px -28px var(--low);transform:translateY(-8px)}
.tier .label{color:var(--c)}
.tier h4{margin:0;font:800 30px/1 var(--display);text-transform:uppercase}
.tier ul{margin:4px 0 0;padding-left:18px;color:var(--muted)}

/* chain */
.chain{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chain span{font:600 14px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:12px 16px;border:1px solid var(--line);background:var(--surface)}
.chain i{font-style:normal;color:var(--high);font:600 18px var(--mono)}

/* checklist panel (repair vs replace) */
.panel{background:var(--band);color:var(--band-ink);padding:28px;border-radius:4px;display:grid;gap:14px}
.panel .label{color:var(--band-muted)}
.panel h4{margin:0;font:800 28px/1 var(--display);text-transform:uppercase}
.gauge-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;padding-block:10px;border-top:1px solid rgba(255,255,255,.08)}
.gauge-row b{font-weight:600}
.gauge-row small{display:block;color:var(--band-muted);font-size:14px}
.meter{width:110px;height:8px;border-radius:4px;background:rgba(255,255,255,.1);overflow:hidden}
.meter i{display:block;height:100%;width:var(--v);background:linear-gradient(90deg,var(--low),var(--high))}

/* pager */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.pager a{display:flex;flex-direction:column;gap:6px;padding:24px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink);transition:border-color .25s,transform .25s}
.pager a:hover{border-color:var(--low);transform:translateY(-3px)}
.pager a:last-child{text-align:right}
.pager h3{font-weight:800;font-size:26px;text-transform:uppercase}

/* day timeline (ride-along) */
.day{display:grid;gap:0;border-top:1px solid var(--line)}
.day > div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:24px;padding-block:22px;border-bottom:1px solid var(--line)}
.day .t{font:800 30px/1 var(--display);color:var(--low)}
.day h3{font-weight:800;font-size:26px;text-transform:uppercase;margin-bottom:6px}
.day p{margin:0;color:var(--muted);max-width:40em}

/* story (about) */
.story{display:grid;gap:22px;max-width:40em}
.story p{margin:0;font-size:19px;line-height:1.65}
.story p:first-child::first-letter{float:left;font:800 78px/.8 var(--display);color:var(--high);margin:6px 10px 0 0}
.pull{font:800 italic clamp(30px,4vw,48px)/1.08 var(--display);text-transform:uppercase;border-left:4px solid var(--high);padding-left:20px;margin:8px 0}

/* notes */
.notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.note-card{display:flex;flex-direction:column;gap:10px;padding:26px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink);transition:transform .3s,border-color .3s}
.note-card:hover{transform:translateY(-4px);border-color:var(--high)}
.note-card .label{color:var(--high)}
.note-card h3{font-weight:800;font-size:28px;text-transform:uppercase}
.note-card p{margin:0;color:var(--muted)}
.prose{max-width:40em;font-size:19px;line-height:1.7}
.prose p{margin:0 0 1.1em}
.prose h2{font-weight:800;font-size:clamp(28px,3.2vw,36px);text-transform:uppercase;margin:1.6em 0 .5em}
.prose ul{padding-left:22px;margin:0 0 1.1em}
.prose li{margin-bottom:.4em}
.prose blockquote{margin:1.4em 0;padding:4px 0 4px 20px;border-left:4px solid var(--low);font:600 italic 24px/1.3 var(--display);text-transform:uppercase}
.byline{display:flex;gap:16px;flex-wrap:wrap;color:var(--band-muted)}

@media (max-width:860px){
  .split{grid-template-columns:1fr;gap:28px}
  .strip{grid-template-columns:1fr}
  .strip div{border-right:0;border-bottom:1px solid var(--line)}
  .tiers,.notes,.pager{grid-template-columns:1fr}
  .tier.mid{transform:none}
  .pager a:last-child{text-align:left}
  .day > div{grid-template-columns:1fr;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* operations additions */
.card.wide{grid-column:1/-1}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.kpi{background:var(--surface);padding:24px;display:flex;flex-direction:column;gap:10px;position:relative}
.kpi .label{color:var(--high)}
.kpi code{font:500 14px/1.4 var(--mono);color:var(--ink);background:var(--bg);border-left:3px solid var(--low);padding:10px 12px;overflow-wrap:anywhere}
.kpi p{margin:0;color:var(--muted)}
.notes.two{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:860px){.kpis,.notes.two{grid-template-columns:1fr}}

/* testimonial */
.testi-band{background:var(--surface)}
.testi{margin:0;display:grid;gap:22px;max-width:56em;position:relative;padding-left:clamp(0px,6vw,72px)}
.testi::before{content:"“";position:absolute;left:0;top:-.18em;font:800 clamp(0px,14vw,160px)/1 var(--display);color:var(--high);opacity:.9}
.testi blockquote{margin:0;display:grid;gap:14px}
.testi blockquote p{margin:0;font:800 italic clamp(26px,3.4vw,42px)/1.12 var(--display);text-transform:uppercase;text-wrap:balance}
.testi blockquote p + p{font:400 italic clamp(19px,2vw,23px)/1.45 var(--body);text-transform:none;color:var(--muted)}
.testi figcaption{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline;border-top:2px solid var(--low);padding-top:14px;width:fit-content;max-width:100%}
.testi figcaption b{font:800 22px var(--display);text-transform:uppercase;letter-spacing:.02em}
.testi figcaption span{font:500 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* calculator */
.calc-band{background:var(--bg)}
.calc{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);border:1px solid var(--line);background:var(--surface)}
.calc > *{min-width:0}
.calc-in{padding:clamp(20px,3vw,32px);display:grid;gap:22px;align-content:start}
.calc-tag{color:var(--high)}
.cf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.cf{display:grid;gap:8px}
.cf-in{display:flex;align-items:center;border:1px solid var(--line);background:var(--bg);transition:border-color .2s}
.cf-in:focus-within{border-color:var(--low)}
.cf-in i{font:500 15px var(--mono);font-style:normal;color:var(--muted);padding:0 12px}
.cf-in input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:600 24px var(--display);padding:12px 12px;font-variant-numeric:tabular-nums;-moz-appearance:textfield}
.cf-in i + input{padding-left:0}
.cf-in input:focus{outline:none}
.cf-in input::-webkit-inner-spin-button{opacity:.4}
.cs-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.cs{display:grid;gap:10px}
.cs-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.cs-top b{font:800 22px var(--display);color:var(--low);font-variant-numeric:tabular-nums}
.cs input[type=range]{width:100%;accent-color:var(--high)}
.calc-note{margin:0;font-size:14px;color:var(--muted)}
.calc-out{background:var(--band);color:var(--band-ink);padding:clamp(20px,3vw,32px);display:flex;flex-direction:column;gap:16px;justify-content:center}
.calc-out .label{color:var(--band-muted)}
.calc-big{font:800 clamp(52px,7vw,92px)/.95 var(--display);color:var(--band-ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.calc-big.pop{animation:pop .4s ease}
@keyframes pop{40%{transform:scale(1.04);color:#fff}}
.calc-bars{display:grid;gap:12px}
.calc-bars > div{display:grid;grid-template-columns:110px minmax(0,1fr) auto;gap:12px;align-items:center}
.bar{height:10px;background:rgba(255,255,255,.08);border-radius:5px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--low);border-radius:5px;transition:width .5s cubic-bezier(.2,.7,.2,1)}
.bar i.hot{background:linear-gradient(90deg,var(--low),var(--high))}
.calc-bars b{font:600 16px var(--mono);font-variant-numeric:tabular-nums;text-align:right}
.calc-sub{margin:0;color:#c6d3dd;font-size:15px}
.calc-out .btn{align-self:flex-start}
@media (max-width:860px){.calc{grid-template-columns:1fr}.cf-grid,.cs-grid{grid-template-columns:1fr 1fr}.calc-bars > div{grid-template-columns:90px minmax(0,1fr) auto}}
@media (max-width:420px){.cf-grid,.cs-grid{grid-template-columns:1fr}}

/* contact form */
.contact .wrap{align-items:start}
.contact-copy{display:grid;gap:28px;align-content:start}
.contact-copy p{margin:16px 0 0}
.cform{display:grid;gap:16px;background:rgba(255,255,255,.04);border:1px solid rgba(234,241,246,.14);padding:clamp(18px,3vw,28px);min-width:0}
.cform .label{color:var(--band-muted)}
.cform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.cform-grid label{display:grid;gap:6px;min-width:0}
.cform-grid label.full{grid-column:1/-1}
.cform-grid label > span{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--band-muted)}
.cform-grid em{font-style:normal;opacity:.6;text-transform:none;letter-spacing:0}
.cform input,.cform select,.cform textarea{width:100%;min-width:0;font:400 16px var(--body);color:var(--band-ink);background:rgba(0,0,0,.25);border:1px solid rgba(234,241,246,.2);border-radius:2px;padding:12px;color-scheme:dark}
.cform textarea{resize:vertical;min-height:110px}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:none;border-color:var(--low);box-shadow:0 0 0 3px rgba(90,155,227,.2)}
.cform ::placeholder{color:var(--band-muted);opacity:.7}
.cform .btn{justify-self:start}
.cform .btn[disabled]{opacity:.6;cursor:wait;transform:none}
.cform-status{margin:0;min-height:1.4em;font-size:15px;color:var(--band-ink)}
.cform-status.ok{color:#8fe3a8}
.cform-status.err{color:#ffb4ac}
.cform.sent .cform-grid,.cform.sent .btn{display:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
@media (max-width:560px){.cform-grid{grid-template-columns:1fr}}

/* logo */
.mark img{display:block;height:40px;width:auto}
footer .wrap{align-items:center}
.foot-logo img{display:block;height:64px;width:auto}
@media (max-width:860px){.mark img{height:34px}}