:root{
  --paper:#f3f6f7; --ink:#12222b; --muted:#566b77; --rule:#c2d1d9; --signal:#0a6f8f; --tick:#7d939f; --chill-to:#d2e3ed;
  --deep:#0f1d25; --deep-ink:#e6eff3; --deep-rule:#2b414d;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0c171e; --ink:#e6eff3; --muted:#8fa4b0; --rule:#253945; --signal:#6fc0dc; --tick:#4a6270; --chill-to:#12303f; --deep:#050d12;}}
:root[data-theme="dark"]{--paper:#0c171e;--ink:#e6eff3;--muted:#8fa4b0;--rule:#253945;--signal:#6fc0dc;--tick:#4a6270;--chill-to:#12303f;--deep:#050d12}
html{scroll-padding-top:calc(60px + env(safe-area-inset-top,0px));scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{--chill:0;--bg:var(--paper);--bg:color-mix(in srgb,var(--paper),var(--chill-to) calc(var(--chill)*60%));
  margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.6 "Archivo",system-ui,sans-serif;font-stretch:100%;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--bg);z-index:20}
h1,h2,h3{margin:0;font-weight:400}
h1,h2{font-family:"Newsreader",Georgia,serif;letter-spacing:-.015em;line-height:1.08}
a{color:inherit}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px}

/* header: live temperature readout and scroll progress */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;display:flex;justify-content:space-between;align-items:center;
  height:56px;padding:0 max(22px,calc((100% - 960px)/2));background:var(--bg);border-bottom:1px solid var(--rule)}
.mark{font-weight:700;font-stretch:118%;font-size:14px;text-decoration:none}
.right{display:flex;align-items:center;gap:22px}
.reading{min-width:48px;text-align:right;font:600 12px "Archivo",sans-serif;font-variant-numeric:tabular-nums;color:var(--signal)}
.top nav{display:flex;gap:22px;font-size:13px;color:var(--muted)}
.top nav a{text-decoration:none;background:linear-gradient(currentColor,currentColor) no-repeat 0 100%/0 1px;transition:background-size .3s,color .2s;padding-bottom:2px}
.top nav a:hover{color:var(--ink);background-size:100% 1px}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--signal);transform:scaleX(0);transform-origin:left}

.hero,.block,.cold .inner{max-width:960px;margin:0 auto;padding-left:22px;padding-right:22px}
.hero{padding-top:84px;padding-bottom:64px}
.hero h1{font-size:clamp(40px,7.4vw,76px)}
.ln{display:block;overflow:hidden;padding-bottom:.1em;margin-bottom:-.1em}
.ln>span{display:block;transform:translateY(108%);animation:rise 1.1s cubic-bezier(.2,.7,.2,1) forwards}
.ln:nth-child(2)>span{animation-delay:.12s}.ln:nth-child(3)>span{animation-delay:.24s}
@keyframes rise{to{transform:none}}
.intro{opacity:0;animation:show .8s ease .8s forwards}
@keyframes show{to{opacity:1}}
.hero p{color:var(--muted);max-width:42ch;margin:22px 0 28px}
.actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}

.btn{position:relative;z-index:0;overflow:hidden;display:inline-block;background:var(--ink);color:var(--paper);border:1px solid var(--ink);padding:11px 22px;border-radius:2px;font:600 13px "Archivo",sans-serif;text-decoration:none;cursor:pointer;transition:color .3s,border-color .3s}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.btn:hover{color:#fff;border-color:var(--signal)}.btn:hover::before{transform:scaleX(1)}
.btn.light{background:var(--deep-ink);color:var(--deep);border-color:var(--deep-ink)}
.plain{font-size:13px;color:var(--muted);text-underline-offset:4px}

/* signature: temperature ruler */
.ruler{--x:44%;position:relative;margin-top:84px;padding-top:34px}
.scale{display:flex;justify-content:space-between;height:22px;border-top:1px solid var(--ink)}
.scale i{width:1px;height:8px;background:var(--tick);transition:background .25s}
.scale i.M{height:16px}
.scale i.on{background:var(--signal)}
.labels{position:relative;height:16px;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.labels span{position:absolute;top:2px;transform:translateX(-50%)}
.marker{position:absolute;top:0;left:var(--x);width:0;height:100%}
.marker::after{content:"";position:absolute;left:-1px;top:30px;bottom:26px;width:2px;background:var(--signal)}
.marker span{position:absolute;left:-31px;top:0;width:62px;text-align:center;font:600 12px "Archivo",sans-serif;color:var(--signal);font-variant-numeric:tabular-nums}

.block{padding-top:72px;padding-bottom:72px;border-top:1px solid var(--rule)}
.block h2,.cold h2{font-size:clamp(28px,4vw,38px)}
.lead{color:var(--muted);max-width:46ch;margin:12px 0 0}

/* product rows: rules draw in, hover marks the row */
.rows{list-style:none;margin:36px 0 0;padding:0;border-bottom:1px solid var(--rule)}
.rows li{position:relative;display:grid;grid-template-columns:220px 1fr auto;gap:24px;align-items:baseline;padding:18px 0}
.rows li::before,.rows li::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;transform-origin:left}
.rows li::before{background:var(--rule);transition:transform .9s cubic-bezier(.2,.7,.2,1) var(--d,0ms)}
.rows li::after{background:var(--signal);height:2px;top:-.5px;transform:scaleX(0);transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.js .rows li:not(.in)::before{transform:scaleX(0)}
.js .rows li>*{transition:opacity .7s ease calc(var(--d,0ms) + 250ms)}
.js .rows li:not(.in)>*{opacity:0}
.rows h3{font-weight:600;font-stretch:108%;font-size:15px;transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.rows p{margin:0;color:var(--muted);font-size:14px}
.rows button{font:600 13px "Archivo",sans-serif;color:var(--signal);background:none;border:0;padding:4px 0;cursor:pointer;text-decoration:underline;text-underline-offset:4px}
@media(hover:hover){.rows li:hover::after{transform:scaleX(1)}.rows li:hover h3{transform:translateX(8px)}}

/* cold rooms: snowfall behind, numbers count to temperature */
.cold{position:relative;overflow:hidden;background:var(--deep);color:var(--deep-ink);padding:72px 0}
#snow{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.cold .inner{position:relative}
.cold .lead{color:#9fb4c0}
table{width:100%;border-collapse:collapse;margin:34px 0 36px;max-width:640px;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:13px 0;border-top:1px solid var(--deep-rule);font-size:14px}
th{font-weight:500;color:#9fb4c0;font-size:12px}
td:first-child{font-weight:600;font-stretch:108%;width:170px}
tbody tr:last-child td{border-bottom:1px solid var(--deep-rule)}

.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px}
address{font-style:normal;margin-top:26px;line-height:1.9}
address a{text-decoration:none;border-bottom:1px solid var(--rule)}
form{display:grid;gap:18px}
label{display:grid;gap:4px;font-size:12px;color:var(--muted)}
input,select,textarea{font:inherit;font-size:15px;color:var(--ink);background:linear-gradient(var(--signal),var(--signal)) no-repeat 0 100%/0 2px;border:0;border-bottom:1px solid var(--ink);border-radius:0;padding:8px 0;width:100%;transition:background-size .4s cubic-bezier(.2,.7,.2,1)}
input:focus,select:focus,textarea:focus{background-size:100% 2px;outline:none}
select option{color:#12222b}
textarea{resize:vertical}
form .btn{justify-self:start;margin-top:6px}

footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;padding:24px max(22px,calc((100% - 960px)/2));font-size:12px;color:var(--muted);border-top:1px solid var(--rule)}

@media(max-width:720px){
  .hero{padding-top:56px}
  .right{gap:14px}.top nav{gap:14px}
  .rows li{grid-template-columns:1fr auto;gap:4px 16px}
  .rows p{grid-column:1/2;grid-row:2}
  .rows button{grid-column:2;grid-row:1/3;align-self:center}
  .split{grid-template-columns:1fr;gap:36px}
  .block,.cold{padding-top:56px;padding-bottom:56px}
}
@media(max-width:520px){.top nav a:first-child{display:none}}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .ln>span{transform:none;animation:none}.intro{opacity:1;animation:none}
  .js .rows li:not(.in)::before{transform:none}.js .rows li:not(.in)>*{opacity:1}
  *{transition-duration:.01ms!important}
}