/* Fenwick Climate: one page that cools from 34° to 21° as you scroll.
   Reference lock: Fluz (gradient canvas, condensed white display type, floating glossy objects, near-black pills,
   20px cards) with Apple iPad Air's product-on-a-stage card discipline borrowed for the systems. Sizes in rem. */
:root{
  --ink:#140a05; --ink-2:rgba(20,10,5,.72); --ink-3:rgba(20,10,5,.5); --paper:#fff;
  --glass:rgba(255,255,255,.55); --glass-line:rgba(255,255,255,.7); --ink-line:rgba(20,10,5,.14);
  --g1:#e8401a; --g2:#ff7a2e;                 /* the sky: set by site.js as the page cools */
  --display:'Bebas Neue','Arial Narrow',Impact,sans-serif; --sans:'Inter',system-ui,-apple-system,sans-serif;
  --r:1.25rem; --pill:999px; --max:clamp(77.5rem,86vw,104rem); --gutter:clamp(1rem,4vw,3.5rem);
  --shadow:0 1.5rem 3.5rem rgba(20,10,5,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
/* one root size: 16px up to 1440 wide, then growing with the screen to 21px (about 1.3x) on very wide monitors */
html{scroll-behavior:smooth;font-size:clamp(16px,calc(.4286vw + 9.83px),21px);scroll-padding-top:5.5rem}
body{background:var(--g2);color:var(--ink);font:400 1rem/1.55 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3{font-weight:400;text-wrap:balance}
.display,.h2{font-family:var(--display);letter-spacing:.005em;line-height:.9;text-transform:uppercase}
.display{font-size:clamp(4.25rem,11vw,10.5rem)}
.h2{font-size:clamp(3rem,6.4vw,6.25rem)}
.lede{font-size:clamp(1.0625rem,1.35vw,1.3125rem);max-width:54ch;text-wrap:pretty;margin-top:1.5rem;color:var(--ink-2)}
.label{font:400 .9375rem/1 var(--display);letter-spacing:.12em;text-transform:uppercase}
.eyebrow{display:inline-flex;align-items:center;gap:.625rem;font:400 1rem/1 var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin-bottom:1.25rem}
.eyebrow .t{display:inline-grid;place-items:center;min-width:3.25rem;height:2rem;padding:0 .625rem;border-radius:var(--pill);background:var(--ink);color:#fff;font-size:1.0625rem;letter-spacing:.04em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.block{position:relative;padding:clamp(5rem,10vw,9rem) 0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:center}

/* the sky: a fixed gradient behind everything, repainted by site.js from the section the reader is on */
.sky{position:fixed;inset:0;z-index:-1;background:linear-gradient(165deg,var(--g1),var(--g2));transition:none}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}

/* pills */
.pill{display:inline-flex;align-items:center;justify-content:center;gap:.625rem;min-height:3.375rem;padding:0 1.75rem;border-radius:var(--pill);font:400 1.0625rem/1 var(--display);letter-spacing:.1em;text-transform:uppercase;cursor:pointer;border:1px solid transparent;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s,color .2s;white-space:nowrap}
.pill:hover{transform:translateY(-2px)}
.pill:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.pill-ink{background:var(--ink);color:#fff;box-shadow:0 .75rem 2rem rgba(20,10,5,.25)}
.pill-ink:hover{background:#2a140a}
.pill-glass{background:var(--glass);color:var(--ink);border-color:var(--glass-line);backdrop-filter:blur(.75rem);-webkit-backdrop-filter:blur(.75rem)}
.pill-glass:hover{background:rgba(255,255,255,.75)}
.pill-ghost{background:transparent;color:var(--ink);border-color:var(--ink-line)}
.pill-ghost:hover{border-color:var(--ink)}
.live{display:inline-block;width:.5625rem;height:.5625rem;border-radius:50%;background:#1fc46a;box-shadow:0 0 0 0 rgba(31,196,106,.6);animation:live 1.8s ease-out infinite;flex:none}
@keyframes live{0%{box-shadow:0 0 0 0 rgba(31,196,106,.55)}70%{box-shadow:0 0 0 .5rem rgba(31,196,106,0)}100%{box-shadow:0 0 0 0 rgba(31,196,106,0)}}

/* header */
.top{position:fixed;inset:0 0 auto 0;z-index:60;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.top.scrolled{background:rgba(255,255,255,.42);backdrop-filter:blur(1rem) saturate(1.3);-webkit-backdrop-filter:blur(1rem) saturate(1.3);box-shadow:0 .25rem 1.5rem rgba(20,10,5,.08)}
.top-in{display:flex;align-items:center;gap:1.25rem;height:4.75rem;padding:0 var(--gutter);max-width:var(--max);margin:0 auto}
.brand{display:flex;align-items:center;gap:.625rem;flex:none}
.brand svg{width:2.25rem;height:2.25rem}
.brand b{display:block;font:400 1.625rem/1 var(--display);letter-spacing:.04em;color:var(--ink)}
.brand small{display:block;font:500 .6875rem/1 var(--sans);letter-spacing:.26em;text-transform:uppercase;color:var(--ink-2);margin-top:.25rem}
.nav{display:flex;gap:.125rem;margin-left:1rem}
.nav a{font:500 .9375rem/1 var(--sans);color:var(--ink);padding:.75rem .875rem;border-radius:var(--pill);transition:background .2s;white-space:nowrap}
.nav a:hover{background:rgba(255,255,255,.35)}
.readout{margin-left:auto;display:inline-flex;align-items:center;gap:.5rem;height:2.75rem;padding:0 .875rem 0 .75rem;border-radius:var(--pill);background:var(--ink);color:#fff;font:400 1.375rem/1 var(--display);letter-spacing:.04em;flex:none}
.readout i{width:.625rem;height:.625rem;border-radius:50%;background:var(--g1);box-shadow:0 0 .75rem var(--g1)}
.readout small{font:500 .625rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;opacity:.7;margin-left:.125rem}
.top-cta{display:flex;align-items:center;gap:.625rem;flex:none}
.top .pill{min-height:2.75rem;padding:0 1.125rem;font-size:.9375rem}
.burger{display:none;width:2.75rem;height:2.75rem;border-radius:50%;border:1px solid var(--ink-line);background:var(--glass);cursor:pointer;position:relative;flex:none}
.burger span{position:absolute;left:50%;width:1.125rem;height:2px;margin-left:-.5625rem;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .2s}
.burger span:nth-child(1){top:calc(50% - 5px)}.burger span:nth-child(2){top:calc(50% + 3px)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}
.mnav{position:fixed;inset:4.75rem 0 0 0;z-index:59;background:rgba(255,255,255,.92);backdrop-filter:blur(1rem);-webkit-backdrop-filter:blur(1rem);padding:1.5rem var(--gutter) 2.5rem;display:flex;flex-direction:column;gap:.25rem;opacity:0;transform:translateY(-.5rem);transition:opacity .25s,transform .3s}
.mnav[hidden]{display:none}
.mnav.open{opacity:1;transform:none}
.mnav>a{display:block;text-align:left;font:400 2.25rem/1.1 var(--display);letter-spacing:.04em;text-transform:uppercase;color:var(--ink);padding:.875rem 0;border-bottom:1px solid var(--ink-line)}
.mnav .m-cta{display:grid;gap:.75rem;margin-top:1.5rem}
.mnav .m-cta .pill{min-height:3.5rem;font-size:1.125rem}
body.menu-open{overflow:hidden}

/* floating objects: glossy cutouts that drift with the mouse and the scroll */
.obj{position:absolute;pointer-events:none;will-change:transform;filter:drop-shadow(0 1.5rem 2rem rgba(20,10,5,.22))}
.obj img{width:100%;height:auto;animation:bob 7s ease-in-out infinite}
.obj-thermo img{animation-duration:8.5s}.obj-drop img{animation-duration:6s;animation-delay:-2s}.obj-fan img{animation:spin 26s linear infinite}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-1.25rem) rotate(2deg)}}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- hero: 34° ---------- */
.hero{position:relative;min-height:100svh;padding:7.5rem 0 4rem;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(70% 90% at 20% 40%,rgba(90,20,0,.42),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,4vw,4rem);align-items:center;width:100%}
.hero .eyebrow{color:rgba(255,255,255,.85)}
.hero .eyebrow .t{background:#fff;color:var(--ink)}
.hero .lede{color:rgba(255,255,255,.88)}
.hero .display .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.06em;margin-bottom:-.06em}
.hero .display .w span{display:inline-block;transform:translateY(110%);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.hero .display .deg{color:var(--ink)}
@keyframes rise{to{transform:none}}
.hero .lede,.hero .actions,.hero .eyebrow{opacity:0;animation:fade .8s ease forwards}
.hero .eyebrow{animation-delay:.1s}.hero .lede{animation-delay:.45s}.hero .actions{animation-delay:.65s}
@keyframes fade{to{opacity:1}}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}
.hero .pill-glass{color:#fff;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4)}
.hero .pill-glass:hover{background:rgba(255,255,255,.26)}
.hero .pill-ink{box-shadow:0 .75rem 2.5rem rgba(20,10,5,.4)}
.room{position:relative;aspect-ratio:16/11;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transform:rotate(1.5deg);opacity:0;animation:fade 1s ease .3s forwards}
.room img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.room .cool{opacity:0}
.room .tag{position:absolute;left:1rem;bottom:1rem;display:inline-flex;align-items:center;gap:.625rem;padding:.625rem .875rem;border-radius:var(--pill);background:rgba(20,10,5,.55);backdrop-filter:blur(.625rem);-webkit-backdrop-filter:blur(.625rem);color:#fff;font:400 1.0625rem/1 var(--display);letter-spacing:.08em;border:1px solid rgba(255,255,255,.25)}
.room .tag i{width:.5rem;height:.5rem;border-radius:50%;background:#ff5a1f;transition:background .4s}
.room .tag .cool-t{display:none}
.room.cooled .tag i{background:#8fd3ff}
.room.cooled .tag .hot-t{display:none}.room.cooled .tag .cool-t{display:inline}
.hero .scroll-hint{position:absolute;left:50%;bottom:1.5rem;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.5rem;font:400 .875rem/1 var(--display);letter-spacing:.2em;color:rgba(255,255,255,.75);opacity:0;animation:fade 1s ease 1.4s forwards}
.hero .scroll-hint i{width:1px;height:2.5rem;background:linear-gradient(to bottom,rgba(255,255,255,.9),transparent);animation:drip 1.8s ease-in-out infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
.hero .obj-thermo{width:clamp(5rem,9vw,9rem);right:clamp(1rem,6vw,8rem);top:7rem;transform:rotate(18deg)}
.hero .obj-drop{width:clamp(3.5rem,6vw,6rem);left:50%;top:13%}
.hero .obj-fan{width:clamp(7rem,13vw,13rem);right:clamp(-2rem,2vw,4rem);bottom:-2rem}
.hero .obj-ice{width:clamp(4rem,7vw,7rem);left:49vw;bottom:9%}

/* ---------- why: 30° ---------- */
.diagram{position:relative;border-radius:var(--r);background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(.75rem);-webkit-backdrop-filter:blur(.75rem);padding:clamp(1rem,2.5vw,2rem);box-shadow:var(--shadow)}
.diagram svg{display:block;width:100%;height:auto}
.diagram .ray{stroke:#ffd166;stroke-width:5;stroke-linecap:round;stroke-dasharray:420;stroke-dashoffset:420;transition:stroke-dashoffset 1.4s cubic-bezier(.2,.7,.2,1)}
.diagram.in .ray{stroke-dashoffset:0}
.diagram .ray:nth-child(2){transition-delay:.15s}.diagram .ray:nth-child(3){transition-delay:.3s}
.diagram .heat{fill:none;stroke:#ff5a1f;stroke-width:4;stroke-linecap:round;opacity:0;transition:opacity .6s ease 1.2s}
.diagram.in .heat{opacity:1;animation:shimmer 2.4s ease-in-out infinite}
.diagram .heat.h2{animation-delay:-.8s}.diagram .heat.h3{animation-delay:-1.6s}
@keyframes shimmer{0%,100%{transform:translateY(0)}50%{transform:translateY(-.5rem)}}
.diagram .cap{position:absolute;right:1.25rem;bottom:1rem;font:400 .875rem/1 var(--display);letter-spacing:.14em;color:var(--ink-3)}
.points{list-style:none;display:grid;gap:0;margin-top:2rem;border-top:1px solid var(--ink-line)}
.points li{display:grid;grid-template-columns:3.5rem 1fr;gap:1rem;align-items:baseline;padding:1.125rem 0;border-bottom:1px solid var(--ink-line);font-size:1.0625rem;color:var(--ink-2);text-wrap:pretty}
.points li b{font:400 1.75rem/1 var(--display);color:var(--ink);letter-spacing:.04em}
.points li strong{color:var(--ink);font-weight:500}

/* ---------- the fix: 26° ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;margin-top:3rem}
.card{display:flex;flex-direction:column;border-radius:var(--r);background:rgba(255,255,255,.7);border:1px solid var(--glass-line);backdrop-filter:blur(.75rem);-webkit-backdrop-filter:blur(.75rem);overflow:hidden;box-shadow:0 .5rem 1.5rem rgba(20,10,5,.08);transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s}
.card:hover{transform:translateY(-.5rem);box-shadow:var(--shadow)}
.card .ph{aspect-ratio:4/3;overflow:hidden;background:radial-gradient(90% 90% at 50% 100%,#dff3ff,#fff)}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.card:hover img{transform:scale(1.04)}
.card .body{padding:1.375rem 1.5rem 1.625rem;display:flex;flex-direction:column;gap:.625rem;flex:1}
.card .label{color:var(--ink-3)}
.card h3{font:400 2rem/1 var(--display);letter-spacing:.03em;text-transform:uppercase}
.card p{font-size:.9688rem;color:var(--ink-2);text-wrap:pretty}
.card .for{display:flex;flex-wrap:wrap;gap:.375rem;margin-top:auto;padding-top:.75rem}
.card .for span{font:500 .75rem/1 var(--sans);padding:.4375rem .625rem;border-radius:var(--pill);background:rgba(20,10,5,.06);color:var(--ink-2)}
.note{display:flex;gap:1rem;align-items:flex-start;margin-top:2rem;padding:1.25rem 1.5rem;border-radius:var(--r);background:var(--ink);color:#fff;max-width:64ch}
.note .label{color:#8fd3ff;flex:none;padding-top:.2rem}
.note p{font-size:.9688rem;color:rgba(255,255,255,.85);text-wrap:pretty}
.fix .obj-fan{width:clamp(6rem,10vw,10rem);right:clamp(0rem,3vw,4rem);top:1rem;opacity:.9}

/* ---------- install day: 23° ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:2.5rem 1.5rem;margin-top:3.5rem;--p:0}
.steps::before,.steps::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:2px}
.steps::before{background:var(--ink-line)}
.steps::after{background:var(--ink);transform-origin:left;transform:scaleX(var(--p))}
.step{padding-top:1.5rem}
.step .num{font:400 1.0625rem/1 var(--display);letter-spacing:.14em;color:var(--ink-3);margin-bottom:1.25rem}
.step .ph{aspect-ratio:4/3;border-radius:calc(var(--r) - .25rem);overflow:hidden;box-shadow:0 .5rem 1.5rem rgba(20,10,5,.1);margin-bottom:1.125rem}
.step img{width:100%;height:100%;object-fit:cover}
.step h3{font:400 2rem/1 var(--display);letter-spacing:.03em;text-transform:uppercase}
.step p{font-size:.9688rem;color:var(--ink-2);margin-top:.625rem;text-wrap:pretty}

/* ---------- running costs: 22° ---------- */
.calc{display:grid;grid-template-columns:1.1fr .9fr;gap:1.25rem;margin-top:3rem}
.panel{border-radius:var(--r);background:rgba(255,255,255,.72);border:1px solid var(--glass-line);backdrop-filter:blur(.75rem);-webkit-backdrop-filter:blur(.75rem);padding:clamp(1.5rem,3vw,2.5rem);box-shadow:0 .5rem 1.5rem rgba(20,10,5,.08)}
.field{display:block;margin-bottom:1.625rem}
.field .fl{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.625rem}
.field .fl span{font:400 1rem/1 var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.field .fl output{font:400 1.75rem/1 var(--display);letter-spacing:.03em}
.field input[type=range]{width:100%;height:2.25rem;appearance:none;-webkit-appearance:none;background:transparent;cursor:pointer}
.field input[type=range]::-webkit-slider-runnable-track{height:.375rem;border-radius:var(--pill);background:linear-gradient(90deg,#8fd3ff,#ff7a2e)}
.field input[type=range]::-moz-range-track{height:.375rem;border-radius:var(--pill);background:linear-gradient(90deg,#8fd3ff,#ff7a2e)}
.field input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:1.625rem;height:1.625rem;border-radius:50%;background:var(--ink);border:3px solid #fff;margin-top:-.625rem;box-shadow:0 .25rem .75rem rgba(20,10,5,.3)}
.field input[type=range]::-moz-range-thumb{width:1.375rem;height:1.375rem;border-radius:50%;background:var(--ink);border:3px solid #fff;box-shadow:0 .25rem .75rem rgba(20,10,5,.3)}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.seg button{padding:.875rem .5rem;border-radius:calc(var(--r) - .5rem);border:1px solid var(--ink-line);background:transparent;cursor:pointer;text-align:left;transition:background .2s,border-color .2s}
.seg button b{display:block;font:400 1.375rem/1 var(--display);letter-spacing:.04em}
.seg button small{display:block;font-size:.75rem;color:var(--ink-2);margin-top:.25rem}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.seg button[aria-pressed="true"] small{color:rgba(255,255,255,.7)}
.result{display:grid;grid-template-rows:auto auto 1fr;gap:1.25rem}
.result .big{font:400 clamp(4rem,7vw,6.5rem)/.9 var(--display);letter-spacing:.02em}
.result .big small{font-size:.35em;letter-spacing:.08em;color:var(--ink-2);margin-left:.25rem}
.result .row{display:flex;justify-content:space-between;gap:1rem;padding:.75rem 0;border-top:1px solid var(--ink-line);font-size:.9688rem}
.result .row b{font-weight:500}
.result .fine{font-size:.8125rem;color:var(--ink-3);text-wrap:pretty;align-self:end;line-height:1.5}
.pence{display:inline-flex;align-items:center;gap:.375rem;font-size:.9688rem}
.pence input{width:3.5rem;padding:.375rem .5rem;border:1px solid var(--ink-line);border-radius:.5rem;background:#fff;font:500 .9688rem var(--sans);text-align:center}

/* ---------- reviews (samples) ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;margin-top:2.5rem}
.review{border-radius:var(--r);background:rgba(255,255,255,.72);border:1px solid var(--glass-line);padding:1.5rem 1.625rem;display:flex;flex-direction:column;gap:.875rem}
.review .stars{font:400 1.125rem/1 var(--display);letter-spacing:.2em;color:var(--ink)}
.review p{font-size:1rem;color:var(--ink-2);text-wrap:pretty;flex:1}
.review .who{font:400 1rem/1 var(--display);letter-spacing:.1em;color:var(--ink-3)}
.sample{display:inline-block;font:500 .75rem/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;padding:.4375rem .625rem;border-radius:var(--pill);border:1px dashed var(--ink-3);color:var(--ink-2);margin-left:.75rem;vertical-align:middle}
.towns{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.75rem}
.towns span{font:400 1.0625rem/1 var(--display);letter-spacing:.08em;padding:.75rem 1rem;border-radius:var(--pill);border:1px solid var(--ink-line);color:var(--ink-2)}

/* ---------- quote: 21° ---------- */
.quote{position:relative;overflow:hidden}
.quote .two{align-items:start}
.qpoints{list-style:none;margin-top:1.875rem;display:grid;gap:.75rem}
.qpoints li{display:flex;gap:.875rem;align-items:baseline;font-size:1.0625rem;color:var(--ink-2)}
.qpoints li::before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:var(--ink);flex:none;position:relative;top:-2px}
.quote .pills{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}
.form{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem 1.5rem;padding:clamp(1.5rem,3vw,2.5rem);border-radius:var(--r);background:rgba(255,255,255,.78);border:1px solid var(--glass-line);box-shadow:var(--shadow);backdrop-filter:blur(.75rem);-webkit-backdrop-filter:blur(.75rem)}
.form .full{grid-column:1/-1}
.form label{display:block}
.form label span{display:block;font:400 .9375rem/1 var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.4375rem}
.form input,.form select,.form textarea{width:100%;background:#fff;border:1px solid var(--ink-line);border-radius:.75rem;color:var(--ink);font:400 1rem/1.3 var(--sans);padding:.8125rem .9375rem;outline:none;transition:border-color .2s,box-shadow .2s}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(20,10,5,.1)}
.form select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' fill='none' stroke='%23140a05' stroke-width='1.6'/></svg>");background-repeat:no-repeat;background-position:right .9375rem center;padding-right:2.25rem;cursor:pointer}
.form textarea{min-height:6rem;resize:vertical}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:1.125rem}
.alt{font-size:.9375rem;color:var(--ink-2)}
.done{grid-column:1/-1;font-size:.9688rem;color:#0b5d33;background:#dff7e8;border:1px solid #9fdcb9;padding:.875rem 1rem;border-radius:.75rem}
.err{grid-column:1/-1;font-size:.9688rem;color:#8a1c0c;background:#ffe3dc;border:1px solid #f3a394;padding:.875rem 1rem;border-radius:.75rem}
.form .consent{display:flex;gap:.75rem;align-items:flex-start;cursor:pointer}
.form .consent input{width:1.125rem;height:1.125rem;flex:none;margin:.2rem 0 0;padding:0;border:0;accent-color:var(--ink);cursor:pointer}
.form .consent span{font:400 .875rem/1.55 var(--sans);letter-spacing:0;text-transform:none;color:var(--ink-2);margin:0}
.form .consent a,.err a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form [hidden]{display:none}
.ai-inline{background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.quote .two>div:first-child{padding-bottom:9rem}
.quote .obj-ice{width:clamp(6rem,11vw,11rem);left:clamp(-1rem,3vw,5rem);bottom:1rem}
.quote .obj-drop{width:clamp(3rem,5vw,5rem);left:41%;top:3.5rem}

/* ---------- footer ---------- */
footer{padding:3rem 0 5rem;color:var(--ink)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.5rem;align-items:flex-start;border-top:1px solid var(--ink-line);padding-top:2.5rem}
.foot .legal{font-size:.875rem;line-height:1.6;color:var(--ink-2);max-width:64ch;text-wrap:pretty}
.foot .legal b{color:var(--ink);font-weight:500}
.foot .legal a{text-decoration:underline;text-underline-offset:2px}
.ai-link{display:inline-flex;align-items:center;gap:.625rem;background:none;border:0;padding:0;cursor:pointer;font:400 1.0625rem/1.2 var(--display);letter-spacing:.1em;text-transform:uppercase;color:var(--ink)}
.ai-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- AI receptionist panel and the demo badge ---------- */
.ai-dialog{position:fixed;inset:0;margin:auto;height:fit-content;max-height:calc(100% - 2rem);overflow:auto;width:min(32rem,calc(100% - 2rem));padding:clamp(1.75rem,3vw,2.5rem);border:1px solid var(--glass-line);border-radius:var(--r);background:#fff;color:var(--ink);box-shadow:0 2rem 5rem rgba(20,10,5,.35)}
.ai-dialog::backdrop{background:rgba(20,10,5,.45);backdrop-filter:blur(.375rem);-webkit-backdrop-filter:blur(.375rem)}
.ai-dialog[open]{animation:pop .3s cubic-bezier(.2,.7,.2,1)}
@keyframes pop{from{opacity:0;transform:translateY(.75rem) scale(.98)}to{opacity:1;transform:none}}
.ai-dialog .eyebrow{margin-bottom:.875rem}
.ai-dialog h3{font:400 2.75rem/1 var(--display);letter-spacing:.03em;text-transform:uppercase;margin-bottom:.875rem}
.ai-dialog p{color:var(--ink-2);line-height:1.55}
.ai-dialog .pills{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}
.ai-dialog .ai-wait{margin-top:.75rem;font-size:.9375rem;color:#8a1c0c}
.ai-close{position:absolute;top:.75rem;right:.875rem;width:2.5rem;height:2.5rem;border-radius:50%;border:0;background:transparent;color:var(--ink-2);font-size:1.75rem;line-height:1;cursor:pointer}
.ai-close:hover{color:var(--ink);background:rgba(20,10,5,.06)}
.demo-badge{position:fixed;left:1rem;bottom:1rem;z-index:60;display:inline-flex;align-items:center;gap:.5rem;padding:.5625rem .875rem;border-radius:var(--pill);font:400 .875rem/1 var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--ink);background:rgba(255,255,255,.65);border:1px solid var(--glass-line);backdrop-filter:blur(.625rem);-webkit-backdrop-filter:blur(.625rem);transition:background .2s}
.demo-badge:hover{background:#fff}

/* reveal on scroll */
[data-reveal]{opacity:0;transform:translateY(1.375rem);transition:opacity .7s ease,transform .7s ease}
[data-reveal].in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1400px){.nav{margin-left:.25rem}.nav a{padding:.75rem .625rem;font-size:.875rem}.readout small{display:none}.top .pill{padding:0 .875rem}}
@media (max-width:1200px){.nav{display:none}.burger{display:block}.cards{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:980px){
  .hero .wrap{grid-template-columns:1fr}
  .room{transform:none;max-width:40rem}
  .two,.calc{grid-template-columns:1fr}
  .reviews{grid-template-columns:1fr}
  .hero .obj-drop,.hero .obj-ice,.fix .obj-fan,.quote .obj-drop{display:none}
  .top .quote-btn span{display:none}
}
@media (max-width:760px){
  .top-in{height:4.25rem;gap:.625rem}
  .mnav{inset:4.25rem 0 0 0}
  .brand small{display:none}
  .readout{height:2.375rem;font-size:1.125rem;padding:0 .625rem}
  .readout small{display:none}
  .top .ai-top{display:none}
  .top .quote-btn{display:none}
  .display{font-size:clamp(3.75rem,19vw,5.5rem)}
  .hero{padding-top:6rem}
  .hero .obj-thermo{width:4.5rem;right:.5rem;top:5rem}
  .hero .obj-fan{width:6rem;right:-1.5rem;bottom:-1rem}
  .cards,.steps{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .seg{grid-template-columns:1fr}
  .seg button{display:flex;justify-content:space-between;align-items:baseline}
  .steps{padding-left:1.375rem;gap:2rem}
  .steps::before,.steps::after{left:0;right:auto;top:0;bottom:0;width:2px;height:auto}
  .steps::after{transform-origin:top;transform:scaleY(var(--p))}
  .step{padding-top:0}
  .quote .two>div:first-child{padding-bottom:0}
  .quote .obj-ice{width:5rem;left:-1rem;bottom:1rem}
  .demo-badge{left:.625rem;bottom:.625rem;font-size:.75rem}
  .ai-dialog .pills{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
  .hero .display .w span{transform:none;animation:none}
  .hero .lede,.hero .actions,.hero .eyebrow,.room,.hero .scroll-hint{opacity:1;animation:none}
  .obj img,.live,.hero .scroll-hint i{animation:none}
  .pill:hover,.card:hover{transform:none}
  .diagram .ray{stroke-dashoffset:0;transition:none}.diagram .heat{opacity:1;animation:none}
}