/* Building hero: illustrated cutaway building that heats floor by floor. --heat runs 0 to 1. */
.bx-hero{position:relative;min-height:min(92vh,880px);display:flex;align-items:center;color:#fff;background:#0a1322;overflow:hidden;isolation:isolate}
.bx-stage{position:absolute;right:0;bottom:0;height:100%;aspect-ratio:1344/752;z-index:-2;perspective:1400px}
.bx-tilt{position:absolute;inset:0;transform:rotateY(calc(var(--mx,0) * -1.6deg)) rotateX(calc(var(--my,0) * 1deg)) translate3d(calc(var(--mx,0) * -8px),calc(var(--my,0) * -4px),0);transform-origin:80% 100%;transition:transform .25s ease-out}
.bx-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
/* Cold layer sits over the building and retreats upward as heat rises. */
.bx-cold{position:absolute;left:57%;right:1%;top:26%;bottom:2%;--h:calc(var(--heat) * 100%);pointer-events:none;
  -webkit-backdrop-filter:grayscale(.95) brightness(.55);backdrop-filter:grayscale(.95) brightness(.55);
  background:linear-gradient(180deg,rgba(40,90,180,.2),rgba(20,60,140,.28));
  -webkit-mask-image:linear-gradient(to top,transparent calc(var(--h) - 4%),#000 calc(var(--h) + 4%));
  mask-image:linear-gradient(to top,transparent calc(var(--h) - 4%),#000 calc(var(--h) + 4%))}
.bx-line{position:absolute;left:60%;right:2%;bottom:calc(2% + var(--heat) * 72%);height:3px;border-radius:3px;pointer-events:none;background:linear-gradient(90deg,transparent,#ffb066 20%,#ff8a3c 80%,transparent);box-shadow:0 0 22px 6px rgba(255,138,60,.55);opacity:calc(1 - (var(--heat) - .9) * 10)}
/* Flame flicker over the boiler window, and a drop running down the blue drain pipe. */
.bx-flame{position:absolute;left:77.6%;top:88%;width:5.4%;aspect-ratio:1;border-radius:50%;pointer-events:none;background:radial-gradient(circle,rgba(255,190,90,.75),rgba(255,120,40,.25) 45%,transparent 70%);mix-blend-mode:screen;opacity:calc(var(--heat) * 4);animation:bxFlick 1.4s ease-in-out infinite}
@keyframes bxFlick{0%,100%{transform:scale(1)}30%{transform:scale(1.18)}55%{transform:scale(.92)}80%{transform:scale(1.1)}}
.bx-drip{position:absolute;left:90.9%;top:36%;width:.55%;height:2.4%;border-radius:99px;pointer-events:none;background:linear-gradient(180deg,transparent,#8cc4ff);box-shadow:0 0 10px 2px rgba(90,170,255,.7);animation:bxDrip 2.6s linear infinite}
@keyframes bxDrip{0%{transform:translateY(0);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(2300%);opacity:0}}
.bx-chip{position:absolute;right:43.5%;padding:5px 9px;border-radius:99px;font:500 .68rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#cfe0f7;background:rgba(12,21,36,.82);border:1px solid rgba(159,196,245,.35);transition:color .4s,background .4s,border-color .4s,box-shadow .4s}
.bx-chip.hot{color:#1b1206;background:#ffb066;border-color:#ffb066;box-shadow:0 0 18px rgba(255,138,60,.6)}
.bx-c3{top:42.5%}.bx-c2{top:58.5%}.bx-c1{top:74%}
/* Tappable parts of the building */
.bx-spot{position:absolute;display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:99px;font:600 .82rem/1 var(--body);white-space:nowrap;color:#fff;text-decoration:none;background:rgba(12,21,36,.9);border:1.5px solid var(--blue);box-shadow:0 6px 20px rgba(0,0,0,.4);transition:transform .15s,background .15s}
.bx-spot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 0 rgba(59,139,240,.7);animation:bxPing 2s infinite}
@keyframes bxPing{70%{box-shadow:0 0 0 10px rgba(59,139,240,0)}100%{box-shadow:0 0 0 0 rgba(59,139,240,0)}}
.bx-spot:hover,.bx-spot:focus-visible{transform:translateY(-2px);background:var(--blue-deep)}
.bx-spot-boiler{left:84%;top:90.5%;border-color:#ff8a3c}
.bx-spot-boiler::before{background:#ff8a3c;animation-name:bxPingHot}
@keyframes bxPingHot{0%{box-shadow:0 0 0 0 rgba(255,138,60,.7)}70%{box-shadow:0 0 0 10px rgba(255,138,60,0)}100%{box-shadow:0 0 0 0 rgba(255,138,60,0)}}
.bx-spot-drain{right:.8%;top:47%}
.bx-shade{position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,#0a1322 0%,rgba(10,19,34,.9) 28%,rgba(10,19,34,.35) 50%,rgba(10,19,34,0) 62%)}
.bx-in{padding:34px 0 38px;pointer-events:none}
.bx-in>*{pointer-events:auto}
.bx-hero .eyebrow{color:#9fc4f5;display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.bx-hero .eyebrow b{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:99px;font-weight:500;color:#fff;background:rgba(59,139,240,.18);border:1px solid rgba(59,139,240,.55)}
.bx-hero .eyebrow svg{width:13px;height:13px;fill:none;stroke:#7fb4f7;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.bx-hero h1{font-size:clamp(3rem,6vw,5.1rem);line-height:.95;max-width:640px;margin:12px 0 14px}
.bx-hero h1 em{font-style:normal;color:var(--blue)}
.bx-hero .lede{max-width:500px;color:#e3e9f2;margin-bottom:18px}
.bx-call{min-height:60px;padding:.8rem 1.7rem;font-size:1.2rem;gap:10px}
.bx-call svg{width:20px;height:20px;fill:currentColor}
.bx-hero .lead{margin-top:20px;max-width:560px}
.bx-gauge{position:absolute;left:57.5%;top:9%;display:inline-flex;align-items:center;gap:12px;padding:10px 16px 10px 12px;border:1px solid rgba(159,196,245,.3);border-radius:12px;background:rgba(12,21,36,.78);color:#fff;text-align:left;cursor:pointer;font:inherit}
.bx-gauge img{width:26px;height:32px}
.bx-gauge small{display:block;font:500 .64rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#c9d3e2}
.bx-gauge b{display:block;font:700 1.9rem/1 var(--head);font-variant-numeric:tabular-nums;margin-top:3px;color:color-mix(in srgb,#ffb066 calc(var(--heat) * 100%),#9cc4f5)}
.bx-gauge:hover{border-color:var(--blue)}
.bx-gauge:focus-visible,.bx-spot:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
.bx-illus{position:absolute;right:14px;bottom:8px;font:500 .62rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.45)}

/* Real job footage section */
.bx-real{background:var(--ink);color:#fff}
.bx-real-grid{display:grid;grid-template-columns:minmax(0,320px) 1fr;gap:64px;align-items:center}
.bx-real video{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:14px;display:block;background:#000;box-shadow:0 30px 70px -30px #000,0 0 0 1px rgba(159,196,245,.25)}
.bx-real .eyebrow{color:#9fc4f5}
.bx-real p{color:#d6dde8;max-width:520px}
.foot .brand-emblem{height:150px;width:auto;display:block}

@media(max-width:1000px){
  .bx-hero{display:flex;flex-direction:column;align-items:stretch;min-height:0}
  .bx-in{padding:36px 0 28px;order:1}
  .bx-hero h1{font-size:clamp(2.9rem,9vw,4.4rem)}
  .bx-hero .lead{max-width:none}
  .bx-call{width:100%}
  .bx-stage{position:relative;order:2;height:auto;width:min(100%,560px);margin:0 auto;aspect-ratio:688/1024;z-index:0}
  .bx-tilt{transform:none}
  .bx-shade{display:none}
  .bx-cold{left:5%;right:5%;top:29%;bottom:5%}
  .bx-line{left:8%;right:8%;bottom:calc(5% + var(--heat) * 66%)}
  .bx-flame{left:47%;top:86%;width:18%}
  .bx-drip{left:77.3%;top:38%;width:1.1%;height:2%;animation-name:bxDripTall}
  .bx-chip{right:2.5%}
  .bx-c3{top:44%}.bx-c2{top:57.5%}.bx-c1{top:71%}
  .bx-spot-boiler{left:4%;top:87%}
  .bx-spot-drain{left:auto;right:2.5%;top:82%}
  .bx-gauge{left:4%;top:4%}
  .bx-real-grid{grid-template-columns:1fr;gap:28px}
  .bx-real video{max-width:300px}
}
@keyframes bxDripTall{0%{transform:translateY(0);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(2500%);opacity:0}}
@media(prefers-reduced-motion:reduce){.bx-tilt{transition:none;transform:none}.bx-flame,.bx-drip,.bx-spot::before{animation:none}.bx-drip{display:none}}
.bx-vid{position:relative;border-radius:14px;overflow:hidden;background:#000;box-shadow:0 30px 70px -30px #000,0 0 0 1px rgba(159,196,245,.25)}
.bx-vid video{border-radius:0;box-shadow:none}
.bx-vid::after{content:"";position:absolute;inset:auto 0 0 0;height:38%;background:linear-gradient(0deg,rgba(8,14,26,.75),transparent);pointer-events:none}
.bx-vid-tag{position:absolute;top:14px;left:14px;z-index:2;padding:6px 10px;border-radius:3px;font:500 .72rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#fff;background:rgba(8,14,26,.75)}
.bx-vid-btn{position:absolute;inset:0;z-index:2;width:100%;border:0;padding:0;background:none;cursor:pointer}
.bx-vid-btn::before{content:"";position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px 0 0 -38px;border-radius:50%;background:var(--blue);box-shadow:0 10px 30px rgba(0,0,0,.45);opacity:0;transform:scale(.85);transition:opacity .2s,transform .2s}
.bx-vid-btn::after{content:"";position:absolute;left:50%;top:50%;margin:-13px 0 0 -8px;border-style:solid;border-width:13px 0 13px 22px;border-color:transparent transparent transparent #fff;opacity:0;transition:opacity .2s}
.bx-vid.is-paused .bx-vid-btn::before{opacity:1;transform:none}
.bx-vid.is-paused .bx-vid-btn::after{opacity:1}
.bx-vid-btn:focus-visible{outline:3px solid #fff;outline-offset:-6px}
.bx-vid-bar{position:absolute;left:14px;right:14px;bottom:14px;z-index:2;height:3px;border-radius:2px;background:rgba(255,255,255,.28);pointer-events:none}
.bx-vid-bar i{display:block;height:100%;width:0;border-radius:2px;background:#fff}
@media (max-width:1000px){.bx-vid{max-width:300px}.bx-real .bx-vid video{max-width:none}}
/* --- Nov 13 polish: building shift + scroll heat, frames, gallery detail, building page --- */
@media (min-width:1001px){
  .bx-stage{right:clamp(18px,3.2vw,64px);-webkit-mask-image:linear-gradient(90deg,#000 93%,transparent);mask-image:linear-gradient(90deg,#000 93%,transparent)}
  .bx-scroll .bx-hero{position:sticky;top:var(--bx-top,69px);min-height:min(calc(100vh - 69px),880px)}
  .bx-scroll .bx-in{padding:18px 0 22px}
  .bx-hint{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:none;align-items:center;gap:8px;font:500 .66rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#cfe0f7;opacity:calc(1 - var(--heat) * 6);pointer-events:none}
  .bx-scroll .bx-hint{display:inline-flex}
  .bx-hint::before{content:"";width:1.5px;height:18px;background:linear-gradient(180deg,transparent,#ffb066);animation:bxHint 1.6s ease-in-out infinite}
}
@media (max-width:1000px){.bx-hint{display:none}}
@keyframes bxHint{0%,100%{transform:translateY(-3px);opacity:.4}50%{transform:translateY(3px);opacity:1}}
@media (prefers-reduced-motion:reduce){.bx-hint::before{animation:none}}
.fx{position:relative;margin:0;padding:0 10px;width:fit-content;max-width:100%;border-radius:16px;border:1px solid rgba(159,196,245,.28);background:#111d31;box-shadow:12px 12px 0 rgba(59,139,240,.2)}
.fx-top,.fx figcaption{display:flex;justify-content:space-between;align-items:center;gap:12px;font:500 .66rem/1 var(--mono);letter-spacing:.09em;text-transform:uppercase}
.fx-top{padding:12px 4px 10px;color:#c9d6e8}
.fx-top b{display:inline-flex;align-items:center;gap:7px;font-weight:500;color:#fff}
.fx-top b::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue)}
.fx figcaption{padding:10px 4px 12px;color:#9fb1c9;margin:0}
.fx-light{background:#fff;border-color:#d5dbe5;box-shadow:12px 12px 0 rgba(59,139,240,.16)}
.fx-light .fx-top{color:#56627a}
.fx-light .fx-top b{color:var(--ink)}
.fx-light figcaption{color:#56627a}
.fx .bx-vid,.fx>video{border-radius:8px;box-shadow:none}
.fx .vx-ba{box-shadow:none;border-radius:8px;width:min(480px,78vw)}
.bx-real-grid{grid-template-columns:minmax(0,342px) 1fr}
@media (max-width:1000px){.bx-real-grid{grid-template-columns:1fr}.fx{box-shadow:8px 8px 0 rgba(59,139,240,.2)}}
.vx-reel li::after{content:"";position:absolute;inset:0;border:1px solid rgba(159,196,245,.22);border-radius:6px;pointer-events:none;transition:border-color .2s}
.vx-reel li:hover::after{border-color:var(--blue)}
.vx-reel i{position:absolute;top:10px;left:10px;z-index:1;padding:5px 8px;border-radius:3px;font:500 .62rem/1 var(--mono);font-style:normal;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:rgba(8,14,26,.78)}
@media (min-width:1001px){.vx-reel{padding-bottom:24px}.vx-reel li:nth-child(even){transform:translateY(24px)}}
.bld-roles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;list-style:none;padding:0;margin:0}
.bld-roles li{padding:20px 20px 18px;border:1px solid var(--rule);border-top:3px solid var(--blue);border-radius:6px;background:#fff}
.bld-roles b{display:block;font:700 1.35rem/1.1 var(--head);margin-bottom:8px}
.bld-roles p{margin:0;color:var(--muted)}
.bld-heat{background:var(--ink);color:#fff}
.bld-heat-in{display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:center}
.bld-heat .eyebrow{color:#9fc4f5}
.bld-heat .lede{color:#d6dde8;max-width:560px}
.bld-temps{display:grid;grid-template-columns:1fr 1fr;gap:14px;list-style:none;padding:0;margin:0}
.bld-temps li{padding:22px 18px;border:1px solid rgba(159,196,245,.28);border-radius:10px;background:#111d31}
.bld-temps b{display:block;font:700 3rem/1 var(--head);color:#ffb066}
.bld-temps span{display:block;margin-top:10px;font:500 .7rem/1.5 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:#c9d6e8}
@media (max-width:1000px){.bld-roles{grid-template-columns:1fr 1fr}.bld-heat-in{grid-template-columns:1fr;gap:28px}}
@media (max-width:560px){.bld-roles{grid-template-columns:1fr}}

/* framed service hero + about page */
.sh-fx{width:100%;justify-self:end}
.sh-fx>img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;object-position:center 30%;border-radius:8px}
.sh-fx-dg .diagram{display:block;background:#0a1322;border-radius:8px;padding:14px 12px}
.sh-fx-dg .dg-note{display:none}
.dg-arrow{stroke:#7fb4f7;stroke-width:3}.dg-arrow-r{stroke:#8494ad}
.dg-solid{fill:#0a1322}
.ab-split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.ab-fx{width:100%}.ab-fx>img{display:block;width:100%;height:auto;border-radius:8px}
@media (max-width:1000px){.ab-split{grid-template-columns:minmax(0,1fr)}.sh-fx,.ab-fx{margin-right:8px;width:auto}}
.ab-split h2{margin-bottom:1rem}

/* service areas */
.ar-jump{padding-bottom:4px}
.ar-jump ol{list-style:none;margin:0;padding:0;border-radius:8px;overflow:hidden;background:#0a1322}
.ar-jump li+li{border-top:1px solid rgba(159,196,245,.16)}
.ar-jump a{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:14px 16px;color:#fff;text-decoration:none;transition:background .15s}
.ar-jump a:hover,.ar-jump a:focus-visible{background:#14213a}
.ar-jump a i,.ar-card header i{font:500 .7rem/1 var(--mono);font-style:normal;letter-spacing:.08em;color:#7fb4f7}
.ar-jump a b{font:700 1.45rem/1 var(--head)}
.ar-jump a span{font:500 .66rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#9fb1c9}
.ar-jump li:first-child a span{color:#ffb066}
.ar-jump-foot{margin:0;padding:11px 4px 10px;font:500 .66rem/1.3 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:#9fb1c9}
.ar-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.ar-card{display:flex;flex-direction:column;padding:22px 22px 18px;background:#fff;border:1px solid #d5dbe5;border-radius:14px;scroll-margin-top:90px}
.ar-card header{display:flex;align-items:baseline;gap:12px;padding-bottom:12px;margin-bottom:14px;border-bottom:2px solid var(--ink)}
.ar-card header i{color:var(--blue-deep)}
.ar-card h3{margin:0;font-size:2rem;line-height:1}
.ar-card em{margin-left:auto;align-self:center;padding:5px 9px;border-radius:99px;background:var(--ink);color:#fff;font:500 .62rem/1 var(--mono);font-style:normal;letter-spacing:.09em;text-transform:uppercase}
.ar-card ul{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-wrap:wrap;gap:7px}
.ar-card ul li{padding:5px 10px;border:1px solid #d5dbe5;border-radius:99px;background:var(--white);font-size:.9rem;line-height:1.3;color:var(--text)}
.ar-card ul .ar-more{border-style:dashed;color:var(--muted)}
.ar-call{margin-top:auto;font-weight:600;color:var(--blue-deep);text-decoration:none}
.ar-call:hover{text-decoration:underline}
.ar-home{border-color:var(--blue);box-shadow:8px 8px 0 rgba(59,139,240,.16)}
.ar-card:target{border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,139,240,.25)}
.ar-ask{background:var(--ink);border-color:var(--ink);color:#fff;justify-content:center}
.ar-ask h3{margin-bottom:.6rem;color:#fff}
.ar-ask p{margin:0 0 1.1rem;color:#c9d6e8}
.ar-ask .cta-row{margin:0}
@media (max-width:1000px){.ar-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.ar-grid{grid-template-columns:minmax(0,1fr)}.ar-jump a{padding:13px 12px;gap:10px}.ar-jump a b{font-size:1.25rem}}

/* interactive water heater cutaway */
.wh-stage{background:#0a1322;border-radius:8px;padding:6px 8px 0}
.wh-svg{display:block;width:100%;height:auto;fill:none;stroke:#d8e0ec;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.wh-floor,.wh-leg{stroke:#5d6e8a}
.wh-shell{stroke-width:2.5}
.wh-water{stroke:none}
.wh-bubbles circle{fill:#ffd9b0;stroke:none;opacity:0;animation:wh-bub 3.2s ease-in infinite}
.wh-bubbles circle:nth-child(2){animation-delay:.7s}.wh-bubbles circle:nth-child(3){animation-delay:1.5s}.wh-bubbles circle:nth-child(4){animation-delay:2.1s}.wh-bubbles circle:nth-child(5){animation-delay:2.6s}
@keyframes wh-bub{0%{transform:translateY(0);opacity:0}15%{opacity:.75}100%{transform:translateY(-190px);opacity:0}}
.wh-anode{stroke:#93a2b8;stroke-width:5;stroke-dasharray:1 9}
.wh-cap{stroke:#93a2b8;stroke-width:4}
.wh-flue{fill:#0a1322;stroke:#93a2b8;stroke-width:1.75}
.wh-rise{stroke:#ffb066;stroke-width:2;stroke-dasharray:2 14;opacity:.7;animation:wh-run 1.6s linear infinite}
.wh-flames path{fill:#ff9a3d;stroke:none;transform-origin:50% 100%;transform-box:fill-box;animation:wh-flame .9s ease-in-out infinite alternate}
.wh-flames path:nth-child(2){fill:#ffc56b;animation-duration:.7s}
@keyframes wh-flame{from{transform:scaleY(.82)}to{transform:scaleY(1.12)}}
.wh-pipe{stroke-width:5}
.wh-cold{stroke:#2f5f9f}.wh-hot{stroke:#a3562a}.wh-gasline{stroke:#8a7a3a}
.wh-dip{stroke:#7fb4f7;stroke-width:3;opacity:.55}
.wh-flow{stroke-width:2;stroke-dasharray:6 12;animation:wh-run 1.3s linear infinite}
.wh-flow-cold{stroke:#9cc8ff}.wh-flow-hot{stroke:#ffc08a}
@keyframes wh-run{to{stroke-dashoffset:-36}}
.wh-arrow{stroke:#ffc08a;stroke-width:3}
.wh-valve,.wh-body{fill:#0a1322}
.wh-tag{font:500 11px var(--mono);fill:#93a2b8;stroke:none;letter-spacing:.04em}
.wh-part{transition:opacity .2s}
.wh.js-on .wh-part{opacity:.72}
.wh.js-on .wh-part.on{opacity:1}
.wh-part.on .wh-line,.wh-part.on .wh-shell,.wh-part.on .wh-body,.wh-part.on .wh-valve{stroke:#ffb066}
.wh-part.on .wh-dip{stroke:#ffb066;opacity:1}.wh-part.on .wh-anode,.wh-part.on .wh-cap,.wh-part.on .wh-flue{stroke:#ffb066}
.wh-part.on .wh-cold{stroke:#3b8bf0}.wh-part.on .wh-hot{stroke:#ff9a3d}.wh-part.on .wh-gasline{stroke:#e0c04a}
.wh-dot{cursor:pointer;outline:none}
.wh-hit{fill:transparent;stroke:none}
.wh-ring{fill:#111d31;stroke:#7fb4f7;stroke-width:2;transition:fill .15s,stroke .15s}
.wh-dot text{font:600 12px var(--mono);fill:#fff;stroke:none;pointer-events:none}
.wh-dot:hover .wh-ring{fill:#1a5fc0}
.wh-dot:focus-visible .wh-ring{stroke:#fff;stroke-width:3}
.wh-dot.on .wh-ring{fill:#ffb066;stroke:#ffb066}
.wh-dot.on text{fill:#0c1524}
.wh.js-on .wh-dot:not(.on) .wh-ring{animation:wh-pulse 2.4s ease-in-out infinite}
@keyframes wh-pulse{50%{stroke-width:4;stroke:#9cc8ff}}
.wh-list{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:8px}
.wh-list li{padding:14px 16px;border-radius:8px;background:#0a1322;border:1px solid rgba(159,196,245,.16)}
.wh-list h3{display:flex;align-items:center;gap:10px;margin:0 0 .4rem;font-size:1.35rem;line-height:1.1;color:#fff}
.wh-list h3 i{flex:none;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#ffb066;color:#0c1524;font:600 .75rem/1 var(--mono);font-style:normal}
.wh-list p{margin:0;font-size:.95rem;line-height:1.45;color:#c9d6e8}
.wh-list .wh-sign{margin-top:.5rem;color:#fff}
.wh-sign b{display:inline-block;margin-right:8px;padding:3px 7px;border-radius:4px;background:rgba(255,176,102,.16);color:#ffb066;font:500 .62rem/1.2 var(--mono);letter-spacing:.08em;text-transform:uppercase;vertical-align:1px}
.wh.js-on .wh-list li{display:none}
.wh.js-on .wh-list li.on{display:block;min-height:132px}
.wh-nav{display:flex;gap:6px;margin-top:8px}
.wh-nav button{flex:1;height:34px;border-radius:6px;border:1px solid rgba(159,196,245,.28);background:#0a1322;color:#c9d6e8;font:600 .8rem/1 var(--mono);cursor:pointer}
.wh-nav button:hover{border-color:#7fb4f7;color:#fff}
.wh-nav button[aria-pressed="true"]{background:#ffb066;border-color:#ffb066;color:#0c1524}
.wh-nav button:focus-visible{outline:2px solid #fff;outline-offset:2px}
.wh:not(.js-on) .wh-hint{display:none}
@media (prefers-reduced-motion:reduce){.wh-flow,.wh-rise,.wh-flames path,.wh-bubbles circle,.wh.js-on .wh-dot:not(.on) .wh-ring{animation:none}}

/* membership card */
.pl-card{padding:20px 20px 18px;border-radius:8px;background:#0a1322}
.pl-kicker{margin:0 0 12px;font:500 .68rem/1 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:#7fb4f7}
.pl-rows{list-style:none;margin:0;padding:0}
.pl-rows li{display:flex;gap:14px;align-items:flex-start;padding:13px 0;border-top:1px solid rgba(159,196,245,.16)}
.pl-rows svg{flex:none;width:26px;height:26px;padding:5px;border-radius:50%;background:rgba(59,139,240,.18);fill:none;stroke:#7fb4f7;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.pl-rows b{display:block;font:700 1.4rem/1.1 var(--head);color:#fff}
.pl-rows span{display:block;margin-top:3px;font-size:.92rem;line-height:1.35;color:#c9d6e8}
.pl-steps{list-style:none;margin:8px 0 0;padding:14px 0 0;display:flex;gap:8px;border-top:1px solid rgba(159,196,245,.16)}
.pl-steps li{flex:1;display:flex;align-items:center;gap:8px;font:500 .66rem/1.25 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:#c9d6e8}
.pl-steps i{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;border:1px solid #7fb4f7;color:#7fb4f7;font-style:normal;font-size:.7rem}
@media (max-width:480px){.pl-steps{flex-direction:column}}

/* interactive steam system */
.st-main{stroke:#a3562a}
.wh-part.on .st-main{stroke:#ff9a3d}
.st-flow{stroke:#ffc08a}
.st-ret{stroke:#2f5f9f;stroke-width:4;stroke-dasharray:8 6}
.wh-part.on .st-ret{stroke:#3b8bf0}
.st-flow-ret{stroke:#9cc8ff;animation-duration:2.2s}
.st-fins rect{stroke-width:1.75}
.wh-part.on .st-fins rect{stroke:#ffb066}
.st-glow{stroke:none;fill:#ff9a3d;opacity:.1;animation:st-glow 3s ease-in-out infinite alternate}
@keyframes st-glow{to{opacity:.26}}
.st-steam{stroke:none;fill:#ff9a3d;opacity:.2}
.st-water{stroke:none;fill:#3b8bf0;opacity:.4}
.st-wave{stroke:#9cc8ff;stroke-width:1.5;animation:st-wave 2.6s ease-in-out infinite alternate}
@keyframes st-wave{to{transform:translateX(-8px)}}
.st-level{stroke:#7fb4f7;stroke-width:4}
@media (prefers-reduced-motion:reduce){.st-glow,.st-wave{animation:none}}

/* interactive hot-water system */
.hy-water{stroke:none;fill:#ff9a3d;opacity:.22}
.hy-ticks path{stroke-width:1.5;stroke:#93a2b8}
.wh-part.on .hy-ticks path{stroke:#ffb066}