:root{
  --void:#08090c;
  --ash:#0B0C0E;
  --paper:#f0ebe3;
  --paper-dim:#b7b2a8;
  --mute:#7d7972;
  --line:rgba(240,235,227,.12);
  --line-strong:rgba(240,235,227,.22);
  --ember:#E86A2A;
  --ember-hot:#d25a28;
  --ember-soft:#e08a5c;
  --ice:#8ec4d4;
  --ice-deep:#4a8fa3;
  --obsidian:#35383C;
  --active:#35383C;
  --active-ink:#c9cccf;
  --pad:clamp(20px,4.6vw,80px);
  --max:1180px;
  --ease:cubic-bezier(.16,1,.3,1);
  --head:64px;
  --wx-warm:0;
  --wx-cool:0;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{
  margin:0;
  background:var(--void);
  color:var(--paper);
  font-family:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  font-variation-settings:'opsz' 14,'wdth' 90,'wght' 400;
  font-size:16px;
  line-height:1.55;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  transition:background-color 1.1s ease;
}
body[data-climate="heat"]{background:#120c0a}
body[data-climate="steam"]{background:#0e0d0c}
body[data-climate="plunge"]{background:#071018}
body[data-climate="ice"]{background:#070b10}
body[data-climate="contrast"]{background:#0a0b0e}

img{display:block; max-width:100%}
a{color:inherit}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--ice); outline-offset:3px; border-radius:4px}

.sr{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}
.skip{
  position:absolute; left:var(--pad); top:-48px; z-index:80;
  background:var(--ember); color:#fff;
  padding:8px 14px; text-decoration:none; font-size:13px; font-weight:500;
}
.skip:focus{top:12px}

.display{
  font-family:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  font-variation-settings:'opsz' 96,'wdth' 100,'wght' 800;
  font-size:100px;
  line-height:.92;
  letter-spacing:-.035em;
  color:var(--paper);
  margin:0;
}
.display--mid{
  font-size:100px;
  line-height:.92;
}
.lede{
  max-width:min(42ch,92vw);
  color:var(--paper-dim);
  font-size:clamp(16px,1.5vw,19px);
  margin:0;
}
.mono{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--mute);
}
.fine{font-size:13px; line-height:1.55; color:var(--mute); margin:0}

.mark{
  display:inline-flex; align-items:center;
  flex:0 0 auto; text-decoration:none; color:var(--paper);
}
.mark img{display:block; height:28px; width:auto}
.mark img.mark-hero{display:none}
.mark img.mark-bar{display:block}
.mark--lg img{height:clamp(88px,14vw,128px); display:block}

.topbar{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:24px;
  padding:16px var(--pad);
  padding-top:max(16px,env(safe-area-inset-top));
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .4s ease, border-color .4s ease, padding .4s var(--ease);
}
.topbar .mark{justify-self:start}
.nav-tabs{justify-self:center}
.nav-right{justify-self:end; display:flex; align-items:center; gap:14px}
.topbar.is-scrolled{
  padding-top:max(11px,env(safe-area-inset-top));
  padding-bottom:11px;
  background:rgba(8,9,12,.78);
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
  border-bottom-color:var(--line);
}
.nav-tabs{
  display:flex; align-items:center; gap:clamp(16px,2.4vw,32px);
  list-style:none; margin:0; padding:0;
}
.nav-tabs a{
  font-size:13px; font-weight:400;
  text-decoration:none; color:var(--paper);
  opacity:.55; transition:opacity .25s ease;
  white-space:nowrap;
}
.nav-tabs a:hover,
.nav-tabs a.is-active,
.nav-tabs a[aria-current="page"]{opacity:1}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--ember); color:#fff;
  font-family:inherit; font-weight:500; font-size:14px; line-height:1;
  padding:12px 20px;
  border:0; border-radius:999px;
  text-decoration:none; cursor:pointer;
  transition:background .25s ease, transform .25s var(--ease), color .25s ease;
}
.btn:hover{background:var(--ember-soft); color:#fff}
.btn:active{transform:scale(.98)}
.btn--sm{font-size:12.5px; padding:9px 16px}
.btn-short{display:none}
.btn--ghost{
  background:transparent; color:var(--paper);
  border:1px solid var(--line-strong);
}
.btn--ghost:hover{background:rgba(240,235,227,.06); color:var(--paper)}
button[type=submit][disabled]{opacity:.55; cursor:default; transform:none}

#wx{
  position:fixed; inset:0;
  width:100%; height:100%;
  z-index:4; pointer-events:none; display:block;
}
.svg-fx{position:absolute; width:0; height:0; overflow:hidden}

.rail{
  position:fixed; right:18px; top:50%;
  transform:translateY(-50%);
  z-index:25;
  display:flex; flex-direction:column; align-items:center;
  gap:10px;
  pointer-events:none;
}
.rail-deg{
  font-family:"IBM Plex Mono",monospace;
  font-size:10px; letter-spacing:.08em;
  color:var(--mute);
}
.rail-track{
  position:relative;
  width:1px; height:min(42vh,320px);
  background:repeating-linear-gradient(180deg, var(--line-strong) 0 1px, transparent 1px 16px);
}
.rail-fill{
  position:absolute; left:0; right:0; top:0;
  height:0%;
  background:linear-gradient(180deg, var(--ember), var(--ice));
  transition:height .35s linear;
}
.rail-live{
  min-width:3.4em; text-align:center;
  color:var(--paper);
}
.rail{transition:opacity .45s ease}
.rail.is-hero{opacity:0}

/* ── hero ── */
.hero{
  position:relative;
  min-height:100svh;
  min-height:100dvh;
  overflow:hidden;
  background:#16110e;
}
#studio, #waitlist, #rooms, #why{
  scroll-margin-top:calc(var(--head, 64px) + 8px);
}
.br-m{display:none}
.hero-stage{
  position:absolute; inset:0;
}
.hero-photo{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  object-position:18% 42%;
}

.hero-climate{
  position:absolute; inset:0;
  pointer-events:none; z-index:1;
}
.cl{
  position:absolute; inset:0;
  opacity:0;
  transition:opacity .4s ease;
}
.hero[data-phase="heat"] .cl-heat,
.hero[data-phase="steam"] .cl-steam,
.hero[data-phase="plunge"] .cl-plunge,
.hero[data-phase="ice"] .cl-ice{opacity:1}

.cl-heat{
  background:rgba(210,12,0,.52);
  mix-blend-mode:color;
}
.cl-steam{
  background:rgba(255,255,255,.42);
  mix-blend-mode:overlay;
}
.cl-plunge{
  background:rgba(0,24,72,.62);
  mix-blend-mode:color;
}
.cl-ice{
  background:rgba(30,130,255,.5);
  mix-blend-mode:color;
}

.hero-shade{
  position:absolute; inset:0; z-index:2; pointer-events:none;
  background:
    linear-gradient(180deg, rgba(8,9,12,.45) 0%, transparent 28%, transparent 52%, rgba(8,9,12,.82) 100%);
}

.hero-copy{
  position:relative; z-index:6;
  display:flex; flex-direction:column; justify-content:center; align-items:center;
  text-align:center;
  min-height:100svh;
  min-height:100dvh;
  padding:calc(var(--head) + 200px) var(--pad) 48px;
  pointer-events:none;
}
.hero-copy .btn,
.hero-copy a{pointer-events:auto}
.hero-kicker{
  margin:0 0 16px;
  color:var(--ice);
  font-size:clamp(12.5px,1.25vw,17px);
}
.hero-sub{
  font-variation-settings:'opsz' 48,'wdth' 96,'wght' 600;
  font-size:clamp(1.15rem,2.2vw,1.55rem);
  letter-spacing:-.02em;
  color:var(--paper-dim);
  margin:16px 0 0;
}
.hero-actions{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:center;
  gap:10px 14px; margin-top:28px;
}

.climate-hud{
  position:absolute;
  left:50%; top:calc(var(--head) + 56px);
  transform:translateX(-50%);
  z-index:6;
  color:var(--paper);
  font-variant-numeric:tabular-nums;
  text-align:center;
  pointer-events:none;
  text-shadow:0 8px 28px rgba(0,0,0,.45);
}
.climate-hud .deg{
  display:block;
  font-family:"Bricolage Grotesque",sans-serif;
  font-variation-settings:'opsz' 96,'wdth' 100,'wght' 800;
  font-size:100px;
  letter-spacing:-.04em; line-height:.92;
  transition:color .4s ease;
}
.hero[data-phase="heat"] .climate-hud .deg{color:#ff3b12}
.hero[data-phase="steam"] .climate-hud .deg{color:var(--paper)}
.hero[data-phase="plunge"] .climate-hud .deg{color:#4ec8ff}
.hero[data-phase="ice"] .climate-hud .deg{color:#7ad4ff}
.climate-hud .hud-name{
  display:block; margin-top:2px;
  font-family:"IBM Plex Mono",monospace;
  font-size:12px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--paper);
}
.climate-hud .cycle{
  display:flex; justify-content:center; gap:.4em;
  margin-top:8px;
  font-family:"IBM Plex Mono",monospace;
  font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--mute);
}
.climate-hud .cycle span[aria-current="true"]{color:var(--paper)}

.facts{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:clamp(12px,2vw,28px);
  width:min(720px,100%);
  margin:28px auto 8px;
  list-style:none; padding:0;
}
.facts li{
  display:flex; flex-direction:column; align-items:center; gap:6px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.facts b{
  font-family:"IBM Plex Mono",monospace;
  font-size:13px; letter-spacing:.04em;
  font-weight:500; color:var(--paper);
}
.facts span{font-size:12px; color:var(--mute)}

@keyframes heat-breathe{
  0%,100%{transform:translateY(0); opacity:.82}
  50%{transform:translateY(-8px); opacity:1}
}
@keyframes steam-rise{
  0%,100%{transform:translate3d(0,10%,0) scale(1); opacity:.32}
  50%{transform:translate3d(5%,-8%,0) scale(1.1); opacity:.72}
}
@keyframes steam-part{
  0%,100%{-webkit-mask-size:100% 100%; mask-size:100% 100%}
  45%,58%{-webkit-mask-size:130% 130%; mask-size:130% 130%}
}
@keyframes caustics{
  0%{background-position:0% 10%, 100% 20%, 40% 80%, 0 0}
  50%{background-position:28% 24%, 68% 48%, 58% 62%, 0 0}
  100%{background-position:0% 10%, 100% 20%, 40% 80%, 0 0}
}
@keyframes waterline{
  0%,100%{transform:translateY(-6px) scaleX(1); opacity:.55}
  50%{transform:translateY(6px) scaleX(1.02); opacity:.9}
}
@keyframes frost-creep{
  0%{opacity:.35; transform:scale(1.08)}
  55%{opacity:1; transform:scale(1)}
  100%{opacity:.5; transform:scale(1.03)}
}
@keyframes spark{
  0%,100%{opacity:0; transform:scale(.4)}
  40%{opacity:1; transform:scale(1)}
  70%{opacity:.15}
}
@keyframes bead{
  0%,100%{opacity:0; transform:translateY(0)}
  20%{opacity:.85}
  80%{opacity:.5; transform:translateY(10px)}
}
@keyframes frost-bloom{
  from{opacity:0; transform:scale(1.12)}
  to{opacity:1; transform:scale(1)}
}

/* ── rooms ── */
.rooms{position:relative}
.room{
  position:relative;
  min-height:92svh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:#0a0a0c;
}
.room-media{
  position:absolute; inset:0;
  z-index:0;
  overflow:hidden;
}
.room-media img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  object-position:center 14%;
  transform:scale(1.14);
  transform-origin:center 18%;
}
.room--ice img{
  object-position:center 42%;
  transform:scale(1.08);
  transform-origin:center 45%;
}
.room--contrast img{
  object-position:center 18%;
  transform:scale(1.12);
  transform-origin:center 22%;
}
.room-media::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(8,9,12,.12) 0%, rgba(8,9,12,.18) 40%, rgba(8,9,12,.78) 100%);
  pointer-events:none;
}
.room--heat .room-media::after,
.room--steam .room-media::after{
  background:linear-gradient(180deg, rgba(40,16,8,.08) 0%, rgba(8,9,12,.2) 45%, rgba(8,9,12,.82) 100%);
}
.room--plunge .room-media::after,
.room--ice .room-media::after{
  background:linear-gradient(180deg, rgba(8,16,24,.1) 0%, rgba(8,9,12,.22) 45%, rgba(8,9,12,.84) 100%);
}
.room--contrast .room-media::after{
  background:linear-gradient(180deg, rgba(8,9,12,.05), rgba(8,9,12,.72));
}

.room-copy{
  position:relative; z-index:6;
  padding:clamp(28px,6vw,72px) var(--pad);
  max-width:34rem;
  text-align:left;
}
.room-copy h2{margin:10px 0 14px; color:var(--paper)}
.room-copy .lede{color:var(--paper-dim); margin:0}
.deg-hot{color:var(--ember-soft)}
.deg-cold{color:var(--ice)}
.hot-word{color:var(--ember-soft)}
.cold-word{color:var(--ice)}

.room--contrast{
  min-height:78svh;
  align-items:flex-end;
}
.room--contrast .room-copy{
  width:100%;
  max-width:none;
  display:flex; justify-content:space-between; align-items:flex-end; gap:24px;
}
.room--contrast .lede{max-width:36ch; margin:0}

/* ── studio ── */
.studio{
  position:relative; z-index:5;
  padding:clamp(72px,12vh,140px) var(--pad) clamp(56px,8vh,96px);
  text-align:center;
  background:
    linear-gradient(rgba(240,235,227,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,235,227,.045) 1px, transparent 1px),
    radial-gradient(ellipse 50% 40% at 50% 18%, rgba(232,210,180,.05), transparent 70%),
    var(--void);
  background-size:56px 56px, 56px 56px, auto, auto;
}
.studio--proof{padding-top:clamp(56px,8vh,96px)}
.studio-line{
  font-variation-settings:'opsz' 48,'wdth' 96,'wght' 600;
  font-size:clamp(1.35rem,2.8vw,2rem);
  letter-spacing:-.025em;
  line-height:1.2;
  color:var(--paper);
  margin:0 auto 36px;
  max-width:18ch;
}

.viewer{
  position:relative;
  width:min(880px,100%);
  margin:0 auto;
  aspect-ratio:1200 / 760;
  display:flex; align-items:center; justify-content:center;
}
.viewer-glow{
  position:absolute; inset:16% 18% 12%;
  pointer-events:none;
  background:
    radial-gradient(ellipse 44% 38% at 50% 56%, rgba(53,56,60,.22) 0%, transparent 72%),
    radial-gradient(ellipse 54% 46% at 50% 58%,
      rgba(232,210,180,.1) 0%,
      rgba(210,90,40,.05) 32%,
      rgba(142,196,212,.04) 58%,
      transparent 78%);
}
.hud{
  position:absolute; inset:8px 8%;
  pointer-events:none; z-index:2;
}
.hud-c{
  position:absolute; width:14px; height:14px;
  border-color:rgba(142,196,212,.55);
  border-style:solid;
}
.hud-c--tl{top:0; left:0; border-width:1px 0 0 1px}
.hud-c--tr{top:0; right:0; border-width:1px 1px 0 0}
.hud-c--bl{bottom:0; left:0; border-width:0 0 1px 1px}
.hud-c--br{bottom:0; right:0; border-width:0 1px 1px 0}

.stage-slot{
  position:relative; z-index:1;
  width:100%; height:100%;
  cursor:grab; touch-action:pan-y;
}
.stage-slot:active{cursor:grabbing}
.kit-poster{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:contain;
  transition:opacity .6s ease;
}
.viewer.is-live .kit-poster{opacity:0; pointer-events:none}
#kit{
  position:absolute; inset:0;
  width:100%; height:100%;
  display:block;
}

.cw-readout{
  text-align:center;
  margin-top:8px;
}
.cw-name{
  font-variation-settings:'opsz' 72,'wdth' 94,'wght' 700;
  font-size:clamp(2rem,5vw,3.4rem);
  letter-spacing:-.03em;
  margin:0;
  color:var(--active-ink);
  transition:color .4s linear;
}
.cw-fade{transition:opacity .18s ease}
.cw-fade.out{opacity:0}
.swatches{
  display:flex; flex-wrap:wrap; justify-content:center; gap:16px;
  margin:28px 0 0; padding:0; list-style:none;
}
.swatch{
  width:38px; height:38px; padding:0;
  border-radius:50%; border:0; cursor:pointer;
  background:var(--sw);
  box-shadow:0 0 0 1px rgba(255,255,255,.18);
  transition:transform .3s var(--ease), box-shadow .3s ease;
}
.swatch:hover{transform:translateY(-3px) scale(1.06)}
.swatch[aria-checked="true"]{
  box-shadow:0 0 0 1px rgba(255,255,255,.3), 0 0 0 5px rgba(142,196,212,.32);
  transform:translateY(-3px) scale(1.08);
}

.anatomy{
  width:min(920px,100%);
  margin:64px auto 0;
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:0;
  border-top:1px solid var(--line);
}
.anatomy li{
  list-style:none;
  padding:22px 18px 4px 0;
  border-top:0;
  border-right:1px solid var(--line);
}
.anatomy li:last-child{border-right:0; padding-right:0}
.anatomy .a-num{
  display:block;
  font-family:"IBM Plex Mono",monospace;
  font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ice); margin:0 0 10px;
}
.anatomy h3{
  margin:0 0 8px;
  font-size:15px; font-weight:500; letter-spacing:-.015em;
  color:var(--paper);
}
.anatomy p{
  margin:0;
  font-size:13px; line-height:1.45; color:var(--mute);
}
.anatomy a{color:var(--ice); text-decoration:none}
.anatomy a:hover{text-decoration:underline; text-underline-offset:2px}

.s-specs{
  width:min(1060px,100%);
  margin:72px auto 0;
  text-align:center;
}
.s-specs .mono{margin:0 0 18px; color:var(--ice)}
.specs{
  display:grid; grid-template-columns:1fr 1fr;
  column-gap:clamp(32px,6vw,90px);
  margin:36px auto 0; width:100%;
  padding:8px 22px 4px;
  border:1px solid var(--line);
  background-image:linear-gradient(180deg, rgba(240,235,227,.03), transparent 48px);
  text-align:left;
}
.spec{
  display:flex; justify-content:space-between; align-items:baseline; gap:20px;
  padding:13px 0;
  border-top:1px dashed var(--line);
}
.spec dt{
  font-family:"IBM Plex Mono",monospace;
  font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--mute); flex:0 0 auto;
}
.spec dd{
  margin:0; text-align:right;
  font-size:15px; font-weight:400; color:var(--paper);
}
.more{margin:28px auto 0; text-align:center}
.more a{color:var(--ice); text-decoration:none}
.more a:hover{text-decoration:underline; text-underline-offset:3px}

/* ── headaches ── */
.aches{
  position:relative; z-index:5;
  padding:clamp(80px,12vh,140px) var(--pad);
  text-align:center;
  background:
    linear-gradient(rgba(240,235,227,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,235,227,.045) 1px, transparent 1px),
    var(--void);
  background-size:56px 56px, 56px 56px, auto;
}
.aches-inner{max-width:var(--max); margin:0 auto}
.aches-head{
  display:flex; flex-direction:column; align-items:center; gap:14px;
  margin-bottom:28px;
  padding-bottom:22px;
  border-bottom:1px dashed var(--line-strong);
}
.aches-head .lede{margin-top:0; text-align:center}
.swap{
  list-style:none; margin:0; padding:0;
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:0 clamp(20px,2.4vw,34px);
  border-bottom:1px solid var(--line);
}
.swap li{
  display:flex; flex-direction:column; align-items:center;
  text-align:center; gap:11px;
  padding:0;
  border-top:1px solid var(--line);
}
.swap--links li > a{
  display:flex; flex-direction:column; align-items:center;
  text-align:center; gap:12px;
  padding:22px 14px 26px;
  color:inherit; text-decoration:none; height:100%; width:100%;
}
.swap--links li > a:hover .swap-a p{color:var(--ice)}
.swap-deg{color:var(--ice)}
.swap-p, .swap-a p{
  margin:0;
  font-size:15px;
  line-height:1.35;
  letter-spacing:-.012em;
}
.swap-p{color:var(--mute)}
.swap-a{margin-top:0; padding-top:0}
.swap-a p{color:var(--paper); margin-top:3px}
.tag{
  display:inline-block;
  font-family:"IBM Plex Mono",monospace;
  font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ember-soft);
  padding-bottom:4px;
  border-bottom:1px solid rgba(210,90,40,.4);
}
.tag--ice{color:var(--ice); border-bottom-color:rgba(142,196,212,.35)}
.hx-media{
  display:block; width:100%;
  aspect-ratio:4 / 5;
  overflow:hidden;
  border-radius:10px;
  border:1px solid var(--line);
  background:#11141b;
}
.hx-media img{
  width:100%; height:100%;
  object-fit:cover; display:block;
  transition:transform .55s cubic-bezier(.22,.61,.36,1);
}
.swap--hx li > a:hover .hx-media img{transform:scale(1.05)}

/* ── waitlist ── */
.wait{
  position:relative; z-index:5;
  min-height:92svh;
  display:flex; flex-direction:column;
  justify-content:center; align-items:center;
  text-align:center;
  padding:14vh var(--pad);
  overflow:hidden;
}
.wait-bg{
  position:absolute; inset:0; z-index:0;
  pointer-events:none;
  background:#120c0a url("/images/v3-sauna.jpg") center 18% / cover no-repeat;
}
.wait-bg img{
  width:100%; height:100%;
  object-fit:cover;
  object-position:center 18%;
  filter:saturate(.75) brightness(.58);
}
.wait-bg::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(8,9,12,.42), rgba(8,9,12,.72));
}
.wait .mono,
.wait .display,
.wait .lede,
.wait .form-wrap{position:relative; z-index:1}
.wait .lede{margin:24px auto 0}

.form-wrap{width:100%; max-width:540px; margin:36px auto 0}
form{
  display:flex; gap:10px; align-items:stretch;
  transition:opacity .35s ease, transform .45s var(--ease);
}
form.gone{opacity:0; transform:translateY(-10px); pointer-events:none; height:0; overflow:hidden; margin:0}
input[type=email]{
  flex:1; min-width:0;
  background:rgba(8,9,12,.55);
  border:1px solid var(--line-strong);
  border-radius:999px;
  color:var(--paper);
  font-family:inherit; font-size:16px; font-weight:300;
  padding:16px 22px;
  transition:border-color .25s ease, box-shadow .25s ease;
}
input[type=email]::placeholder{color:var(--mute)}
input[type=email]:hover{border-color:rgba(240,235,227,.4)}
input[type=email]:focus{
  border-color:var(--ice);
  box-shadow:0 0 0 4px rgba(142,196,212,.16);
  outline:none;
}
form.invalid input[type=email]{border-color:#e06a5c; background:rgba(60,16,14,.5)}
.err{
  margin:14px 2px 0; min-height:20px;
  font-size:13.5px; color:#e06a5c; opacity:0;
  transition:opacity .25s ease;
}
.err.show{opacity:1}
.done{
  margin:0; opacity:0; transform:translateY(14px);
  transition:opacity .5s ease .12s, transform .6s var(--ease) .12s;
  font-variation-settings:'opsz' 32,'wdth' 90,'wght' 500;
  font-size:clamp(1.15rem,2.4vw,1.55rem);
  color:var(--paper);
  height:0; overflow:hidden;
}
.done.show{opacity:1; transform:none; height:auto; overflow:visible}
.done .glc{color:var(--ice)}

/* ── footer ── */
.s-foot{
  position:relative; z-index:5;
  padding:8vh var(--pad) 40px;
  padding-bottom:max(40px, env(safe-area-inset-bottom));
  background:var(--void);
}
.foot-row{
  display:flex; flex-direction:column; align-items:center;
  gap:14px; padding-top:28px; border-top:1px solid var(--line);
  width:100%; max-width:var(--max); margin:0 auto;
  text-align:center;
}
.safety{
  margin:18px auto 0; max-width:var(--max); width:100%;
  text-align:center;
}
.foot-nav{
  display:grid;
  grid-template-columns:repeat(4,auto);
  justify-content:center;
  align-items:start;
  column-gap:clamp(28px,5vw,56px);
  list-style:none;
  width:auto; max-width:100%;
  margin:28px auto 0;
  padding:0 8px;
  text-align:center;
}
.foot-nav > li{
  display:flex; flex-direction:column; align-items:center; gap:10px;
}
.foot-nav a{
  font-size:13px; color:var(--mute); text-decoration:none;
}
.foot-nav a:hover,
.foot-nav a[aria-current="page"]{color:var(--paper)}
.foot-learn > a{color:var(--paper-dim)}
.foot-sub{
  list-style:none; margin:0; padding:8px 0 0;
  display:flex; flex-direction:column; align-items:center; gap:7px;
  border-top:1px solid var(--line);
  width:100%; max-width:16rem;
}
.foot-sub a{
  font-size:12px; color:var(--mute); line-height:1.35; white-space:nowrap;
}
.foot-legal{
  display:flex; flex-wrap:wrap; justify-content:center;
  gap:8px 18px; list-style:none;
  max-width:var(--max); width:100%;
  margin:28px auto 0; padding:16px 0 0;
  border-top:1px solid var(--line);
}
.foot-legal a{
  font-size:12px; color:var(--mute); text-decoration:none;
}
.foot-legal a:hover{color:var(--paper)}

.rv{
  opacity:0; transform:translateY(24px);
  transition:opacity .75s var(--ease), transform .75s var(--ease);
}
.in .rv{opacity:1; transform:none}

@media (max-width:1100px){
  .rail{display:none}
}
@media (max-width:900px){
  .climate-hud{
    top:calc(var(--head) + 28px);
  }
  .climate-hud .deg,
  .display,
  .display--mid{
    font-size:clamp(3rem,15vw,4.32rem);
    line-height:.96;
  }
  .climate-hud .cycle{display:none}
  .hero-copy{
    padding:calc(var(--head) + 140px) var(--pad) 32px;
    justify-content:center;
  }
  .facts{grid-template-columns:1fr 1fr; gap:8px 16px; margin-bottom:8px}
  .swap,
  .swap--hx{grid-template-columns:repeat(2, minmax(0,1fr))}
  .room{min-height:78svh}
  .room--contrast{min-height:64svh}
  .room--contrast .room-copy{
    flex-direction:column; align-items:flex-start;
  }
  .anatomy{
    grid-template-columns:1fr;
    border-top:0;
    min-height:calc(100svh - var(--head, 64px));
    margin-top:0;
    align-content:center;
  }
  .anatomy li{
    padding:16px 0;
    border-right:0;
    border-top:1px solid var(--line);
    text-align:center;
  }
  .specs{grid-template-columns:1fr}
  form{flex-direction:column}
  .btn-full{display:none}
  .btn-short{display:inline}
  .topbar{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    gap:10px 12px;
    background:transparent;
    border-bottom-color:transparent;
  }
  .topbar .mark{
    grid-column:2;
    grid-row:1;
    justify-self:center;
  }
  .nav-right{
    grid-column:3;
    grid-row:1;
    justify-self:end;
  }
  .nav-tabs{
    grid-column:1 / -1;
    grid-row:2;
    justify-content:center;
    overflow-x:auto; scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .nav-tabs::-webkit-scrollbar{display:none}
  .nav-tabs li{flex:0 0 auto}
  .nav-tabs a{opacity:.85; font-size:12px}
  .topbar img.mark-bar{height:20px}
  .topbar img.mark-hero{display:none}
  .btn--sm{font-size:12px; padding:8px 12px}
  .topbar:not(.is-scrolled){
    grid-template-columns:1fr;
    justify-items:center;
    padding-top:max(20px, env(safe-area-inset-top));
    padding-bottom:12px;
  }
  .topbar:not(.is-scrolled) .mark{
    grid-column:1;
    grid-row:1;
  }
  .topbar:not(.is-scrolled) .nav-tabs,
  .topbar:not(.is-scrolled) .nav-right{display:none}
  .topbar:not(.is-scrolled) img.mark-hero{
    display:block;
    height:clamp(72px, 18vw, 104px);
    width:auto;
  }
  .topbar:not(.is-scrolled) img.mark-bar{display:none}
  .topbar.is-scrolled img.mark-hero{display:none}
  .topbar.is-scrolled img.mark-bar{display:block; height:20px}
}

@media (max-width:820px){
  .swap,
  .swap--hx{grid-template-columns:1fr}
}

@media (max-width:700px){
  .foot-nav{
    display:flex; flex-direction:column; align-items:center; gap:16px; width:100%;
  }
  .foot-learn{width:min(16rem,100%); gap:12px; padding-top:6px}
}

@media (max-width:520px){
  .topbar .mark-bar{height:20px}
  .display,
  .display--mid,
  .climate-hud .deg{
    font-size:clamp(3rem,15vw,4.32rem);
    line-height:.96;
  }
  .br-m{display:inline}
  .hero-kicker{letter-spacing:.1em; line-height:1.5}
  .swap,
  .swap--hx{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1 !important; transform:none !important; transition:none !important}
  .cl-heat,
  .cl-steam,
  .cl-steam .vapor,
  .cl-steam .vapor-2,
  .cl-plunge,
  .cl-plunge .caustic,
  .waterline,
  .frost,
  .ice-spark,
  .bead,
  .room-wx .haze,
  .room-wx .smoke,
  .room-wx .smoke-2,
  .room-wx .vapor-sheet,
  .room-wx .caustics,
  .split-wx .hot,
  .hero-photo--haze,
  .room--ice.is-on .frost-bloom{animation:none !important}
  .hero-photo--haze{opacity:0 !important}
  .hero .cl{opacity:0}
  .hero[data-phase="heat"] .cl-heat{opacity:.55}
  .hero-photo{transform:none}
  .room-media img{transform:none}
  .swatch, .swatch:hover, .swatch[aria-checked="true"]{transition:box-shadow .2s linear; transform:none}
  form, .done, .err, .cw-fade, .btn{transition:none}
  .hx-media img{transition:none}
  .swap--hx li > a:hover .hx-media img{transform:none}
  *{scroll-behavior:auto !important}
}