/* Saunas 101 · styles. Colours, fonts and type scale follow saunaslava.com.br (lava.css): EB Garamond + Manrope, page background #FDF2EF, full-bleed with 3.75rem gutters. */
/* Layout: four switches above one animated cross-section; the verdict and the heater readout beside it; sources below. */
:root{
  --bg:#FDF2EF; --paper:#FFFFFF; --ink:#111111; --muted:#7C6A64; --line:#EAD9D3; --track:#EDECEA;
  --cedar:#A8663A; --cedar-soft:#E9D6C6; --stone:#4a4a4a;
  --fresh:#378DE2; --hot:#E8603A; --stale:#9A9A9A;
  --good:#2F7A48; --good-bg:#DCEFE1; --bad:#B23B3B; --bad-bg:#F5DDDC; --warn:#9A6B00; --warn-bg:#F4E8C7;
  --wood1:#f3e9dd; --wood2:#e2d3c2; --bench:#d9be9f; --bench-edge:#8f6a45;
  --sun:#FBF3D3; --sun-deep:#F2E6B8; --sun-line:#E4D59C;
  --rose:#F8D5C9; --rose-deep:#F1C2B2; --rose-line:#E6B2A2;
  --serif:"EB Garamond",Georgia,serif; --sans:"Manrope",system-ui,sans-serif; --mono:ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#1C1512; --paper:#251D19; --ink:#F1ECE9; --muted:#B9A79F; --line:#3F332E; --track:#2C2623;
    --cedar:#D0895A; --cedar-soft:#3C2E24; --stone:#8A918E;
    --fresh:#63B3D6; --hot:#F09A52; --stale:#7B817E;
    --good:#7CC894; --good-bg:#1E3A29; --bad:#F08A8A; --bad-bg:#43201F; --warn:#E6B94D; --warn-bg:#3D3115;
    --wood1:#3B2E24; --wood2:#31261D; --bench:#6B4E33; --bench-edge:#B48B62;
    --sun:#34301C; --sun-deep:#272414; --sun-line:#524B2A;
    --rose:#3E2A25; --rose-deep:#4A332D; --rose-line:#5E4038;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#1C1512; --paper:#251D19; --ink:#F1ECE9; --muted:#B9A79F; --line:#3F332E; --track:#2C2623;
  --cedar:#D0895A; --cedar-soft:#3C2E24; --stone:#8A918E;
  --fresh:#63B3D6; --hot:#F09A52; --stale:#7B817E;
  --good:#7CC894; --good-bg:#1E3A29; --bad:#F08A8A; --bad-bg:#43201F; --warn:#E6B94D; --warn-bg:#3D3115;
  --wood1:#3B2E24; --wood2:#31261D; --bench:#6B4E33; --bench-edge:#B48B62;
  --sun:#34301C; --sun-deep:#272414; --sun-line:#524B2A;
  --rose:#3E2A25; --rose-deep:#4A332D; --rose-line:#5E4038;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;
  padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}
/* the content column starts where the site's header logo starts: a centred 1200 px header box with 50 px padding (measured on the live site: the theme's generic 5rem page-width padding at a 10 px root), so the column is 1100 px; 20 px on narrow screens */
.wrap{max-width:none;margin:0 auto;padding-block:0 24px;padding-inline:max(20px,calc((100% - 1200px) / 2 + 50px))}
@media (max-width:989px){.wrap{padding-inline:20px}}
.masthead{position:sticky;top:0;z-index:20;background:var(--bg);padding-top:28px}
.tab{padding-top:24px}
.lab{display:grid;grid-template-columns:1fr;gap:20px;align-items:start;margin-top:16px}
.lab-main{min-width:0}
h1,h2,h3{font-family:var(--serif);text-wrap:balance;margin:0}
h1{font-size:2.2rem;font-weight:400;letter-spacing:0;line-height:1.1}
.head{display:flex;justify-content:flex-end;align-items:flex-start;gap:16px;flex-wrap:wrap}
.ideal{appearance:none;border:1px solid var(--good);background:transparent;color:var(--good);border-radius:999px;padding:10px 18px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;margin-top:6px}
.ideal:focus-visible{outline:2px solid var(--fresh);outline-offset:2px}
.ideal[data-on="true"]{background:var(--good);color:#fff;cursor:default}
.tabs{display:flex;gap:36px;border-bottom:1px solid var(--line);margin:0;flex-wrap:wrap}
.tabs button{appearance:none;border:0;background:none;padding:0 0 8px;margin-bottom:-1px;font-family:var(--serif);font-size:21px;font-weight:400;line-height:1.1;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--ink);cursor:default}
.tabs button:not([aria-selected="true"]):hover{color:var(--ink)}
.tabs button:focus-visible{outline:2px solid var(--fresh);outline-offset:2px}
.soon{color:var(--muted);margin:0 0 34px}
.facts{list-style:none;margin:0;padding:8px 0 24px;display:grid;grid-template-columns:1fr;gap:26px;max-width:720px}
.facts li{min-width:0;scroll-margin-top:220px;cursor:default}
.facts{counter-reset:rule}
.facts h4{margin:0 0 10px;font-family:var(--serif);font-weight:400;font-size:21px;line-height:1.15;color:var(--ink);text-wrap:balance}
.facts h4::before{counter-increment:rule;content:counter(rule) ". "}
.facts p{margin:0;font-size:14px;line-height:1.55;color:rgba(17,17,17,.78);max-width:64ch}
.top{margin-bottom:34px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.units{display:flex;gap:10px;background:none;border:0;padding:0;margin-top:14px;font-family:var(--sans);font-size:13px}
.units button{appearance:none;border:0;background:transparent;color:var(--muted);padding:2px 0;font:inherit;font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;border-bottom:1px solid transparent}
.units button[aria-pressed="true"]{color:var(--ink);border-bottom-color:var(--ink);cursor:default}
.units button:not([aria-pressed="true"]):hover{color:var(--ink)}
.units .sep{color:var(--line)}
.units button:focus-visible{outline:2px solid var(--fresh);outline-offset:2px}
.sub{color:rgba(17,17,17,.78);font-size:16px;line-height:1.6;margin:10px 0 0}
.eyebrow{font-family:var(--sans);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:rgba(17,17,17,.6)}

.switches{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:0}
.sw--score{display:flex;flex-direction:column;justify-content:flex-start}
.scoreRow{flex-direction:row;align-items:baseline;gap:16px;margin-top:12px;padding:10px 16px;width:calc((100% - 12px) / 2);box-sizing:border-box}
@media (max-width:760px){.scoreRow{width:auto}}
.scoreRow .scoreBig{margin-top:0}
.scoreRow .scoreWord{margin-top:0;font-size:14px}
.scoreBig{font-family:var(--serif);font-weight:600;font-size:40px;white-space:nowrap;line-height:1;letter-spacing:-.01em;margin-top:2px}
.scoreBig small{font-family:var(--mono);font-size:11px;letter-spacing:.08em;font-weight:400;color:var(--muted);margin-left:6px}
.scoreWord{font-size:12px;margin-top:6px;font-weight:600}
.sw--score[data-g="good"] .scoreBig,.sw--score[data-g="good"] .scoreWord{color:var(--good)}
.sw--score[data-g="warn"] .scoreBig,.sw--score[data-g="warn"] .scoreWord{color:var(--warn)}
.sw--score[data-g="bad"] .scoreBig,.sw--score[data-g="bad"] .scoreWord{color:var(--bad)}
@media (max-width:760px){.switches{grid-template-columns:repeat(2,minmax(0,1fr))}}
.sw{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px 12px;transition:background-color .15s,border-color .15s}
.sw--hot{background:var(--track);border-color:var(--ink)}
.sw--air.sw--hot{background:var(--sun-deep);border-color:var(--ink)}
.hit{cursor:pointer}
.sw--air{background:var(--sun);border-color:var(--sun-line)}
.seg.seg--grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}

.seg.seg--stack{display:grid;grid-template-columns:1fr;gap:4px}
.sw--air .seg{background:var(--sun-deep)}
.rank{margin-top:0;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px}
.rank ol{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 12px}
.rank li{display:grid;grid-template-columns:minmax(0,1fr) 24px;gap:6px;align-items:center}
.rk-gm{font-family:var(--serif);font-size:22px;font-weight:500;color:var(--ink);text-align:center;line-height:1}
.rk-gm:empty{visibility:hidden}
@media (max-width:900px){.rank ol{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.rank ol{grid-template-columns:1fr}}
.rk{display:grid;grid-template-columns:18px minmax(0,1fr) 46px;gap:2px 8px;align-items:start;width:100%;appearance:none;border:1px solid var(--line);background:var(--track);color:var(--ink);border-radius:8px;padding:8px 10px;font:inherit;text-align:left;cursor:pointer;line-height:1.3}
.rk:hover{border-color:var(--ink)}
.rk:focus-visible{outline:2px solid var(--fresh);outline-offset:2px}
.rk[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink);cursor:default}
.rk-l{grid-row:1/3;font-size:12.5px;line-height:1.3}
.rk-t{grid-column:2;grid-row:1;font-size:12.5px}
.rk-s{grid-column:3;grid-row:1/3;align-self:center;justify-self:end;text-align:right;font-family:var(--serif);font-weight:600;font-size:24px;line-height:1;letter-spacing:0}
.rk-s small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.08em;font-weight:400;color:var(--muted);margin-top:3px}
.rk-bar{grid-column:1/-1;grid-row:3;height:3px;border-radius:2px;background:var(--line);margin-top:5px;overflow:hidden}
.rk-bar i{display:block;height:100%;border-radius:2px;min-width:2px}
.rk.good .rk-s{color:var(--good)} .rk.good .rk-bar i{background-color:var(--good)}
.rk.warn .rk-s{color:var(--warn)} .rk.warn .rk-bar i{background-color:var(--warn)}
.rk.bad .rk-s{color:var(--bad)} .rk.bad .rk-bar i{background-color:var(--bad)}
.rk[aria-pressed="true"] .rk-s{color:inherit} .rk[aria-pressed="true"] .rk-s small{color:inherit;opacity:.7}
.rk[aria-pressed="true"] .rk-bar{background:rgba(255,255,255,.18)} .rk[aria-pressed="true"] .rk-bar i{background-color:currentColor}
.rk--base{border-style:dashed}
.sw--off{opacity:.45}
.score{display:inline-flex;align-items:center;padding:6px 10px;border-radius:6px;font-family:var(--sans);font-weight:600;font-size:13px;border:1px solid var(--line);margin-left:8px;color:var(--muted)}
.rk-g{grid-column:2;grid-row:2;font-size:11.5px;color:var(--muted);display:flex;gap:6px;align-items:baseline}
.rk-g::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--muted);flex:none;transform:translateY(-1px)}
.rk-g.good::before{background:var(--good)} .rk-g.warn::before{background:var(--warn)} .rk-g.bad::before{background:var(--bad)}
.rk[aria-pressed="true"] .rk-g{color:inherit;opacity:.85}
.rank-note{margin:10px 0 0;font-size:12px;color:var(--muted)}
.sw .eyebrow{margin-bottom:3px}
.sw .job{font-size:12px;line-height:1.3;color:var(--muted);margin-bottom:9px}
.seg{display:flex;gap:4px;background:var(--track);border-radius:8px;padding:3px}
.seg button{flex:1;appearance:none;border:0;background:transparent;color:var(--muted);border-radius:6px;padding:8px 6px;font:inherit;font-size:12px;font-weight:500;cursor:pointer;line-height:1.25;min-width:0}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.seg button:focus-visible{outline:2px solid var(--fresh);outline-offset:2px}
.seg button:disabled{cursor:default}

.stage{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px;margin-top:0;align-items:start}
@media (max-width:820px){.stage{grid-template-columns:1fr}}
.room{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px}
.tip{position:absolute;z-index:5;background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:12px;line-height:1.35;padding:8px 10px;border-radius:6px;max-width:240px;pointer-events:none;opacity:0;transition:opacity .15s}
.tip.on{opacity:1}
.room svg{width:100%;height:auto;display:block;max-width:100%}
.controls{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-top:10px;flex-wrap:wrap}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:50%;display:inline-block}
.dot--fresh{background:var(--fresh)} .dot--hot{background:var(--hot)} .dot--stale{background:var(--stale)}
.btn{appearance:none;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:6px;padding:6px 10px;font:inherit;font-size:13px;cursor:pointer}
.btn:focus-visible{outline:2px solid var(--fresh);outline-offset:2px}

.readouts{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-top:12px;border-top:1px solid var(--line);padding-top:12px}
.ro .k{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ro .v{font-family:var(--serif);font-size:20px;font-weight:700;line-height:1.15;letter-spacing:-.01em;font-variant-numeric:tabular-nums;margin-top:2px}
.ro .v small{font-family:var(--mono);font-size:10px;font-weight:400;color:var(--muted);letter-spacing:.04em;display:block;margin-top:2px}
.ro[data-g="good"] .v{color:var(--good)} .ro[data-g="warn"] .v{color:var(--warn)} .ro[data-g="bad"] .v{color:var(--bad)}
.heater{margin-top:12px;border-radius:0 6px 6px 0;padding:9px 12px;font-size:13px;border-left:3px solid var(--line);background:var(--bg)}
.heater[data-g="good"]{border-color:var(--good);background:var(--good-bg)}
.heater[data-g="warn"]{border-color:var(--warn);background:var(--warn-bg)}
.heater[data-g="bad"]{border-color:var(--bad);background:var(--bad-bg)}
.heater b{font-weight:600}
.modelnote{font-size:12px;color:var(--muted);margin-top:10px}

.verdict{display:flex;flex-direction:column;gap:14px}
.grade{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:6px;font-weight:600;font-size:13px;width:max-content}
.grade[data-g="best"]{background:var(--good-bg);color:var(--good)}
.grade[data-g="ok"]{background:var(--warn-bg);color:var(--warn)}
.grade[data-g="bad"]{background:var(--bad-bg);color:var(--bad)}
.verdict h2{font-size:30px;font-weight:500;line-height:1.15;margin-top:12px}
.verdict p{margin:0;max-width:62ch}
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:480px){.pros-cons{grid-template-columns:1fr}}
.col h3{font-size:13px;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;font-weight:500;margin-bottom:8px}
.col.good h3{color:var(--good)} .col.bad h3{color:var(--bad)}
.col ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px}
.col li{padding-left:2px}
.says{border-top:1px solid var(--line);padding-top:12px;font-size:13px;color:var(--muted)}
.says b{color:var(--ink);font-weight:500}
.try{margin-top:12px;background:var(--cedar-soft);border-left:3px solid var(--cedar);padding:8px 12px;border-radius:0 6px 6px 0;font-size:14px}

section.notes{margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:820px){section.notes{grid-template-columns:1fr}}
.card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px 20px;min-width:0}
.card h2{font-size:24px;font-weight:500;margin-bottom:8px}
.card p,.card li{max-width:62ch}
.card ol,.card ul{padding-left:20px;margin:8px 0 0}
.card li{margin-bottom:6px}
.src{display:flex;flex-direction:column;gap:6px;margin-top:10px;font-size:13px}
.src a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px;overflow-wrap:anywhere}
.src a:hover{text-decoration-color:var(--cedar)}
.src span{color:var(--muted)}
.modelnote-foot{margin-top:36px;color:var(--muted);font-size:13px;max-width:70ch}

/* SVG parts */
.wall{fill:none;stroke:var(--ink);stroke-width:4}
.plank{stroke:var(--wood2);stroke-width:1}
.bench{fill:var(--bench);stroke:var(--bench-edge);stroke-width:1.5}
.stoveBody{fill:var(--stone)} .stones{fill:var(--ink)}
.rock{stroke:#262626;stroke-width:.7;stroke-linejoin:round}
.cage{fill:var(--stone);fill-opacity:.22;stroke:var(--stone);stroke-width:1.5}
.person{fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.person *{vector-effect:non-scaling-stroke}
.vent{fill:var(--paper);stroke:var(--ink);stroke-width:2}
.ventIdle{fill:var(--line);stroke:var(--muted);stroke-width:2}
.lbl{font-family:var(--mono);font-size:9px;fill:#696969;letter-spacing:.06em}
.lblIn{fill:var(--fresh)} .lblOut{fill:var(--hot)} .lblBad{fill:var(--bad)}
.lblHalo{paint-order:stroke;stroke:var(--wood1);stroke-width:3px;stroke-linejoin:round}
.stagnant{fill:var(--stale);opacity:.16}
.heatglow{fill:var(--hot);opacity:.10}
.fanBlade{fill:none;stroke:var(--ink);stroke-width:2}
.fanOff{stroke:var(--muted)}
.pathGuide{fill:none;stroke:#d9cfc4;stroke-width:1;stroke-dasharray:3 4}
.duct{fill:var(--paper);stroke:var(--ink);stroke-width:2}
.ductHatch{stroke:var(--line);stroke-width:1}
.sensor{fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.sensorHit{cursor:default}
.sensorBad{fill:var(--bad-bg);stroke:var(--bad)}
.jet{fill:var(--fresh);opacity:.14}
.jetBad{fill:var(--bad);opacity:.2}
.ruler{stroke:var(--line);stroke-width:1}
.rulerT{font-family:var(--mono);font-size:8px;fill:var(--muted)}
@media (prefers-reduced-motion: reduce){ .pathGuide{stroke:var(--muted)} }

/* ---------- footer: powered by Lava ---------- */
.made{margin-top:72px;padding-top:40px;border-top:1px solid rgba(17,17,17,.08)}
.made .eyebrow{margin-bottom:24px}
.wm-link{display:block;padding-bottom:24px}
.lava-wm{position:relative;width:100%;aspect-ratio:1833/499;background:#f0734a;-webkit-mask-image:url(assets/lava-wordmark.png);mask-image:url(assets/lava-wordmark.png);-webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center}
.lava-wm canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transition:opacity 1.6s ease}
.lava-wm.gl-on canvas{opacity:1}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}