/* hormetic.app shared stylesheet. Moved verbatim from the homepage <style> block (2026-09-28)
   so /sauna, /cold-plunge, /hot-tub and /journal share one design. Page-specific
   additions are at the end, under "Subpages". */
@font-face{font-family:'Plex';src:url('/fonts/ibm-plex-sans/ibm-plex-sans-latin-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Plex';src:url('/fonts/ibm-plex-sans/ibm-plex-sans-latin-500.woff2') format('woff2');font-weight:500 700;font-style:normal;font-display:swap}
@font-face{font-family:'PlexMono';src:url('/fonts/ibm-plex-mono/ibm-plex-mono-latin-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'PlexMono';src:url('/fonts/ibm-plex-mono/ibm-plex-mono-latin-500.woff2') format('woff2');font-weight:500 700;font-style:normal;font-display:swap}

:root{
  --bg:#1a1611;
  --bg-2:#141009;
  --surface:#29221a;
  --surface-2:#332a20;
  --line:#3a3025;
  --line-2:#4a3d2e;
  --text:#F5F5F0;
  --muted:#A99B8B;
  --faint:#948779;
  --amber:#D97706;
  --amber-lite:#FF9F2B;
  --cold:#22C8E0;
  --hot:#E03434;
  /* spa/soak — sampled from the watch app's spa zone pill (#926490),
     with a lighter tint of the same hue for legibility on the dark bg */
  --spa:#C09ABE;
  --spa-deep:#926490;
  --steel:#6d8199;
  --maxw:70rem;
  --sans:'Plex',system-ui,-apple-system,sans-serif;
  --mono:'PlexMono',ui-monospace,'SF Mono',monospace;
  --thermal:linear-gradient(90deg,var(--cold) 0%,#4fb9c0 22%,var(--amber-lite) 58%,var(--hot) 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(217,119,6,.10), transparent 60%),
    radial-gradient(90% 50% at 100% 8%, rgba(34,200,224,.05), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--amber);color:#160f06}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem}
a{color:var(--amber-lite);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:focus-visible,button:focus-visible{outline:2px solid var(--amber-lite);outline-offset:3px;border-radius:3px}
img{max-width:100%;display:block}
h1,h2,h3{font-weight:700;letter-spacing:-.02em;text-wrap:balance;line-height:1.08}

.skip{position:absolute;left:-999px;top:0;z-index:99;background:var(--bg);color:var(--amber-lite);padding:.75rem 1.25rem;font-family:var(--mono);font-size:.8rem}
.skip:focus{left:0}

.eyebrow{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--faint);display:inline-flex;align-items:center;gap:.6rem;
}
.eyebrow::before{content:"";width:1.6rem;height:1px;background:var(--thermal)}

/* ---------- wordmark (brand thermal-arc) ---------- */
.wordmark{
  font-weight:700;font-size:1.28rem;letter-spacing:.005em;line-height:1;white-space:nowrap;
  background:var(--thermal);-webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- header ---------- */
header{
  position:sticky;top:0;z-index:40;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid color-mix(in srgb,var(--line) 60%,transparent);
}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:4.25rem}
header nav{display:flex;gap:1.7rem;align-items:center}
header nav a{font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
header nav a:hover{color:var(--text);text-decoration:none}
header .nav-get{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;text-transform:uppercase;
  color:var(--text);border:1px solid var(--line-2);border-radius:100px;padding:.5rem .95rem;
  transition:border-color .3s,background .3s;
}
header .nav-get:hover{border-color:var(--amber);background:color-mix(in srgb,var(--amber) 12%,transparent);text-decoration:none}
/* primary nav: same links on every page. Desktop: one row. Phones: the links drop to a
   second row under the wordmark and "Get it" (they used to be hidden below 720px). */
header nav{margin-left:auto;margin-right:.7rem}
@media (max-width:720px){
  header .wrap{display:grid;grid-template-columns:1fr auto;grid-template-areas:"brand get" "links links";height:auto;row-gap:.5rem;padding-top:.8rem;padding-bottom:.6rem}
  header .wordmark{grid-area:brand}
  header .nav-get{grid-area:get;justify-self:end}
  header nav{grid-area:links;margin:0;flex-wrap:wrap;gap:.35rem .95rem;padding:.15rem 0 .2rem}
  header nav a{font-size:.68rem;letter-spacing:.04em;white-space:nowrap}
}

/* ---------- App Store button ---------- */
.appstore{
  display:inline-flex;align-items:center;gap:.7rem;
  background:var(--text);color:#140f06;
  padding:.85rem 1.3rem;border-radius:12px;font-weight:700;
  transition:transform .25s ease,box-shadow .25s ease;
}
.appstore:hover{transform:translateY(-2px);box-shadow:0 12px 30px -12px rgba(0,0,0,.7);text-decoration:none}
.appstore svg{width:22px;height:22px;flex:none}
.appstore .as-sub{display:block;font-family:var(--mono);font-size:.62rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;opacity:.7;line-height:1}
.appstore .as-main{display:block;font-size:1.05rem;line-height:1.15;margin-top:.1rem}
.pricetag{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.02em;color:var(--muted);
  display:inline-flex;align-items:center;gap:.5rem;
}
.pricetag b{color:var(--text);font-weight:500}
.pricetag .dot{width:4px;height:4px;border-radius:50%;background:var(--faint)}

/* ---------- hero ---------- */
.hero{padding:4.5rem 0 3rem;position:relative}
.hero .grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:3.5rem;align-items:center}
@media (max-width:900px){.hero .grid{grid-template-columns:1fr;gap:2.5rem}}
.hero h1{font-size:clamp(2.5rem,6vw,4.3rem);margin:1.4rem 0 0}
.hero h1 .warm{background:linear-gradient(96deg,var(--amber-lite),var(--hot));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .cool{background:linear-gradient(96deg,var(--cold),#5ad0c9);-webkit-background-clip:text;background-clip:text;color:transparent}
/* spa mauve, matching the watch app's spa zones */
.hero h1 .steam{background:linear-gradient(96deg,var(--spa-deep),var(--spa));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{margin-top:1.5rem;max-width:40ch;color:var(--muted);font-size:1.14rem}
.hero .cta{display:flex;flex-wrap:wrap;align-items:center;gap:1.1rem 1.4rem;margin-top:2.1rem}
.hero .status{
  margin-top:1.9rem;font-family:var(--mono);font-size:.75rem;letter-spacing:.02em;color:var(--faint);
  display:flex;flex-wrap:wrap;gap:.5rem .9rem;align-items:center;
}
.hero .status .live{color:var(--text)}
.hero .status .pip{width:7px;height:7px;border-radius:50%;background:var(--amber-lite);box-shadow:0 0 0 3px rgba(255,159,43,.18);display:inline-block;margin-right:.4rem;vertical-align:middle}

/* ---------- hero visual: campaign plate with the instrument overlapping it ----------
   The photo is the immersive layer; the instrument stays on top of it, literally —
   the data reading the moment. Feathered on the left so it dissolves into the page. */
.hero-visual{position:relative}
.hero-plate{
  position:relative;aspect-ratio:3/2;border-radius:20px;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 14%,#000 100%);
          mask-image:linear-gradient(90deg,transparent 0%,#000 14%,#000 100%);
}
.hero-plate img{width:100%;height:100%;object-fit:cover;object-position:50% 32%;display:block;filter:saturate(1.06)}
.hero-plate::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(26,22,17,0) 62%,rgba(26,22,17,.7) 100%);
}
.hero-visual .instrument{margin-top:-3.25rem;margin-left:-1rem;margin-right:1.75rem;position:relative;z-index:2}
@media (max-width:900px){
  .hero-plate{margin-left:0;aspect-ratio:16/10;border-radius:16px;
    -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 70%,transparent 100%);
            mask-image:linear-gradient(180deg,#000 0%,#000 70%,transparent 100%)}
  .hero-plate::after{display:none}
  .hero-visual .instrument{margin-top:-3.5rem;margin-right:0}
}

/* ---------- thermal instrument (signature) ---------- */
.instrument{
  background:linear-gradient(180deg,#31281c,#211a12);
  border:1px solid var(--line-2);border-radius:18px;padding:1.6rem 1.5rem 1.75rem;
  box-shadow:0 30px 60px -28px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,232,200,.06);
  position:relative;overflow:hidden;
}
.instrument::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:var(--thermal);opacity:.85}
.instrument .ihead{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:1.15rem}
.instrument .ihead .t{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.instrument .ihead .est{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);border:1px solid var(--line-2);border-radius:100px;padding:.15rem .5rem}
.thermtrack{position:relative;height:12px;border-radius:100px;background:#120d07;overflow:hidden;border:1px solid var(--line)}
.thermfill{position:absolute;inset:0;background:var(--thermal);transform-origin:left;transform:scaleX(1)}
html.js .thermfill{transform:scaleX(0);transition:transform 1.6s cubic-bezier(.16,1,.3,1)}
html.js .instrument.in .thermfill{transform:scaleX(1)}
.thermscale{display:flex;justify-content:space-between;margin-top:.6rem;font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.thermscale .cold{color:var(--cold)}
.thermscale .hot{color:var(--hot)}
.chips{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin-top:1.35rem}
.chip{background:var(--bg-2);border:1px solid var(--line);border-radius:11px;padding:.7rem .8rem}
.chip .k{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);display:flex;align-items:center;gap:.35rem}
.chip .v{font-family:var(--mono);font-weight:500;font-size:1.18rem;margin-top:.25rem;color:var(--text);letter-spacing:-.01em}
.chip.score .v{background:linear-gradient(96deg,var(--amber-lite),var(--hot));-webkit-background-clip:text;background-clip:text;color:transparent}
.chip .tag{color:var(--cold)}

/* ---------- thermal divider ---------- */
.thermline{height:1px;max-width:var(--maxw);margin:0 auto;background:var(--thermal);opacity:.5;position:relative}
.thermline::after{content:"";position:absolute;inset:-10px 0;background:var(--thermal);filter:blur(14px);opacity:.16;animation:breathe 7s ease-in-out infinite;pointer-events:none}
@keyframes breathe{0%,100%{opacity:.1}50%{opacity:.26}}

/* ---------- sections ---------- */
section{padding:5.5rem 0}
section > .wrap > .eyebrow{margin-bottom:1rem}
section h2{font-size:clamp(1.75rem,3.6vw,2.5rem);max-width:20ch}
section .sub{margin-top:1rem;max-width:52ch;color:var(--muted);font-size:1.1rem}

/* showcase */
.showcase .rail{
  display:flex;gap:1.1rem;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:2.4rem .2rem 1rem;margin:0 -1.5rem;padding-left:1.5rem;padding-right:1.5rem;
  scrollbar-width:none;
}
.showcase .rail::-webkit-scrollbar{display:none}
.shot{flex:0 0 auto;width:min(64vw,258px);scroll-snap-align:center;border-radius:22px;overflow:hidden;border:1px solid var(--line);background:#0c0906;box-shadow:0 24px 48px -26px rgba(0,0,0,.85)}
.shot img{width:100%;height:auto}
.watchrail{display:flex;gap:.9rem;overflow-x:auto;scroll-snap-type:x proximity;margin:0 -1.5rem;padding:1.4rem 1.5rem 0;scrollbar-width:none}
.watchrail::-webkit-scrollbar{display:none}
.watch{scroll-snap-align:center}

/* rail controls — Apple-style pill: dots + play/pause; injected by main.js, so no-JS shows nothing */
.rail-ctl{display:flex;justify-content:center;align-items:center;gap:.6rem;margin-top:.9rem}
.rail-ctl .dots{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem .9rem;border-radius:100px;background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line)}
.rail-ctl .dot{width:7px;height:7px;border-radius:100px;background:var(--faint);border:0;padding:0;cursor:pointer;transition:width .35s ease,background .35s ease}
.rail-ctl .dot:hover{background:var(--muted)}
.rail-ctl .dot[aria-current="true"]{width:22px;background:var(--text)}
.rail-ctl .play{width:38px;height:38px;border-radius:50%;background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line);color:var(--text);display:grid;place-items:center;cursor:pointer;transition:border-color .3s}
.rail-ctl .play:hover{border-color:var(--amber)}
.rail-ctl .play svg{width:13px;height:13px;fill:currentColor}
@media (prefers-reduced-motion:reduce){.rail-ctl .dot,.rail-ctl .play{transition:none}}
.watch{flex:0 0 auto;width:132px;border-radius:26px;overflow:hidden;border:1px solid var(--line);background:#0c0906}
.watch img{width:100%;height:auto}
/* NOT flex — this holds a running sentence; flex made each <b> its own column */
.railcap{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;line-height:1.75;color:var(--faint);margin-top:1.1rem;max-width:88ch}
.railcap b{color:var(--muted);font-weight:500}

/* three stressors */
.duo{display:grid;grid-template-columns:repeat(auto-fit,minmax(15.5rem,1fr));gap:1.25rem;margin-top:2.6rem}
/* image-led posters: campaign photo on top, the accent bar between photo and copy,
   and a mono readout stamped on the photo quoting exactly what the watch shows */
.modality{border:1px solid var(--line);border-radius:16px;padding:0;background:linear-gradient(180deg,var(--surface),var(--bg-2));position:relative;overflow:hidden;display:flex;flex-direction:column}
.modality .mimg{position:relative;aspect-ratio:4/5;overflow:hidden;background:#0c0906}
.modality .mimg img{width:100%;height:100%;object-fit:cover;display:block}
.modality .mimg .mcap{
  position:absolute;left:0;right:0;bottom:0;padding:2.4rem .95rem .85rem;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.04em;line-height:1.55;color:var(--text);
  background:linear-gradient(180deg,rgba(12,9,6,0) 0%,rgba(12,9,6,.88) 60%);
  /* running text, NOT flex — flex turns each <b>/<span> into its own ragged column */
  display:block;
}
.modality .mimg .mcap::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:.5rem;vertical-align:middle;transform:translateY(-1px)}
.modality.heat .mimg .mcap::before{background:var(--amber-lite)}
.modality.cold .mimg .mcap::before{background:var(--cold)}
.modality.spa  .mimg .mcap::before{background:var(--spa)}
.modality .mimg .mcap b{font-weight:500;color:var(--text)}
.modality .mimg .mcap span{color:color-mix(in srgb,var(--text) 72%,transparent)}
.modality .mbar{height:2px;flex:none}
.modality.heat .mbar{background:linear-gradient(90deg,var(--amber-lite),var(--hot))}
.modality.cold .mbar{background:linear-gradient(90deg,var(--cold),#4fb9c0)}
/* spa accent mirrors the mauve the watch app uses for spa zones */
.modality.spa .mbar{background:linear-gradient(90deg,var(--spa-deep),var(--spa))}
.modality .mbody{padding:1.35rem 1.5rem 1.6rem}
.modality .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.modality.heat .k{color:var(--amber-lite)}
.modality.cold .k{color:var(--cold)}
.modality.spa .k{color:var(--spa)}
.modality h3{font-size:1.4rem;margin:.5rem 0 .7rem}
.modality p{color:var(--muted);font-size:1rem}
.modality .meta{margin-top:1.1rem;font-family:var(--mono);font-size:.72rem;color:var(--faint);display:flex;flex-wrap:wrap;gap:.4rem .8rem}
.modality .meta b{color:var(--text);font-weight:500}

/* zones — faint no-people sauna interior behind the cards (mask-faded top and bottom) */
#zones{position:relative;isolation:isolate;overflow:hidden}
#zones::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:url('/img/c01-bg-sauna-interior.webp') center 42%/cover no-repeat;
  opacity:.17;
  -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 28%,#000 72%,transparent 100%);
          mask-image:linear-gradient(180deg,transparent 0%,#000 28%,#000 72%,transparent 100%);
}
/* zones */
.zones{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;margin-top:2.6rem}
@media (max-width:760px){.zones{grid-template-columns:1fr}}
.zone{border:1px solid var(--line);border-radius:16px;padding:1.5rem 1.4rem;background:var(--surface);position:relative}
.zone .zdot{width:.85rem;height:.85rem;border-radius:50%;display:inline-block;margin-bottom:1rem;box-shadow:0 0 0 5px color-mix(in srgb,currentColor 20%,transparent)}
.zone.z1{color:var(--cold)} .zone.z2{color:var(--amber-lite)} .zone.z3{color:var(--hot)}
.zone .znum{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}
.zone h3{color:var(--text);font-size:1.25rem;margin:.35rem 0 .55rem}
.zone p{color:var(--muted);font-size:.95rem}

/* science cards */
.science-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.15rem;margin-top:2.6rem}
@media (max-width:820px){.science-grid{grid-template-columns:1fr}}
.paper{border:1px solid var(--line);border-radius:16px;padding:1.65rem 1.55rem;background:linear-gradient(180deg,var(--surface),var(--bg-2))}
.paper.wide{grid-column:1/-1}
.paper.wide p{max-width:78ch}
.paper h3{font-size:1.22rem;margin-bottom:.6rem;letter-spacing:-.01em}
.paper p{color:var(--muted);font-size:1rem}
.cite{margin-top:1.1rem;padding-top:1rem;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:.5rem}
.cite a{font-family:var(--mono);font-size:.76rem;color:var(--steel);letter-spacing:.01em;display:inline-flex;gap:.45rem;align-items:baseline}
.cite a:hover{color:var(--cold)}
.cite a::before{content:"↗";font-size:.7rem;color:var(--faint)}
.anchor-note{
  margin-top:2rem;border:1px dashed var(--line-2);border-radius:14px;padding:1.4rem 1.5rem;
  background:color-mix(in srgb,var(--steel) 7%,transparent);color:var(--muted);font-size:1rem;max-width:60ch;
}
.anchor-note b{color:var(--text);font-weight:500}

/* privacy list */
.priv{display:grid;grid-template-columns:1.1fr 1fr;gap:2.5rem;align-items:center;margin-top:2.4rem}
@media (max-width:820px){.priv{grid-template-columns:1fr;gap:1.8rem}}
.priv .rows{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}
.priv .row{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1.2rem;border-bottom:1px solid var(--line);font-size:.98rem}
.priv .row:last-child{border-bottom:0}
.priv .row .k{color:var(--muted)}
.priv .row .v{font-family:var(--mono);font-size:.82rem;color:var(--cold);letter-spacing:.02em;text-align:right}
.priv .note{color:var(--muted)}
.priv .note b{color:var(--text);font-weight:500}

/* safety */
.safety{border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:14px;padding:1.6rem 1.6rem;background:var(--surface);margin-top:2.4rem;max-width:64ch}
.safety h3{font-size:1.15rem;margin-bottom:.6rem;color:var(--text)}
.safety p{color:var(--muted);font-size:1rem}
.safety p + p{margin-top:.8rem}

/* download */

/* faq — native <details>, no JS; answers mirror the FAQPage JSON-LD verbatim */
.faq{padding-top:0}
.faq .list{margin-top:2rem;border-top:1px solid var(--line);max-width:64ch}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:1.05rem 0;font-weight:700;font-size:1.08rem;letter-spacing:-.01em;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--amber-lite);font-size:1.1rem;flex:none;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding:0 0 1.15rem;max-width:60ch}
.faq summary:focus-visible{outline:2px solid var(--amber-lite);outline-offset:3px;border-radius:3px}
@media (prefers-reduced-motion:reduce){.faq summary::after{transition:none}}

/* download — copy beside the CTA plate (Dane, sweat macro: no watch, no room, just earned) */
.download{padding:6rem 0}
.download .dgrid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:3rem;align-items:center}
.download h2{max-width:18ch}
.download .sub{margin-top:1rem}
.download .cta{display:flex;flex-wrap:wrap;gap:1.1rem 1.3rem;align-items:center;margin-top:2.3rem}
.download .pricenote{margin-top:1.1rem;font-family:var(--mono);font-size:.78rem;letter-spacing:.02em;color:var(--muted)}
.download .pricenote b{color:var(--text);font-weight:500}
.dplate{position:relative;aspect-ratio:4/5;border-radius:20px;overflow:hidden;background:#0c0906;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(0,0,0,.85);margin:0}
.dplate img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;display:block}
.dplate::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,22,17,0) 70%,rgba(26,22,17,.55) 100%);pointer-events:none}
@media (max-width:820px){
  .download{padding:4.5rem 0}
  .download .dgrid{grid-template-columns:1fr;gap:2rem}
  .dplate{order:-1;max-width:26rem;aspect-ratio:1/1}
  .dplate img{object-position:50% 22%}
}

/* footer */
footer{border-top:1px solid var(--line);padding:2.8rem 0 3.4rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:baseline}
footer .legal{font-family:var(--mono);font-size:.75rem;letter-spacing:.03em;color:var(--faint)}
footer .links{display:flex;gap:1.4rem;font-family:var(--mono);font-size:.75rem}
footer .links a{color:var(--muted)}
footer .links a:hover{color:var(--amber-lite)}

/* reveal */
html.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s ease}
html.js .reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .thermline::after{animation:none;opacity:.2}
  html.js .reveal{opacity:1;transform:none;transition:none}
  html.js .thermfill{transition:none;transform:scaleX(1)}
  .appstore,.header .nav-get{transition:none}
}

/* =====================================================================
   Subpages: /sauna, /cold-plunge, /hot-tub, /journal (added 2026-09-28)
   Built from the homepage components above; only these pieces are new.
   ===================================================================== */
/* per-page accent (heat amber→red, cold cyan, spa mauve) */
body.page-heat{--accent:var(--amber-lite);--accent-2:var(--hot)}
body.page-cold{--accent:var(--cold);--accent-2:#4fb9c0}
body.page-spa{--accent:var(--spa);--accent-2:var(--spa-deep)}
body.page-journal{--accent:var(--amber-lite);--accent-2:var(--cold)}
header nav a[aria-current="page"]{color:var(--text)}

/* breadcrumb */
.crumbs{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent,var(--amber-lite))}
.crumbs span[aria-hidden]{color:var(--line-2)}

/* page hero: copy beside the modality photo */
.pagehero{padding:3.6rem 0 3rem}
.pagehero .grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:3.25rem;align-items:center}
.pagehero h1{font-size:clamp(2.2rem,5.2vw,3.7rem);margin:1.1rem 0 0;max-width:16ch}
.pagehero h1 .acc{background:linear-gradient(96deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.pagehero .lede{margin-top:1.3rem;max-width:44ch;color:var(--muted);font-size:1.14rem}
.pagehero .cta{display:flex;flex-wrap:wrap;align-items:center;gap:1.1rem 1.4rem;margin-top:2rem}
.pagehero .reqs{margin-top:1.4rem;font-family:var(--mono);font-size:.74rem;letter-spacing:.02em;color:var(--faint);max-width:52ch;line-height:1.7}
.pagehero figure{margin:0;position:relative;aspect-ratio:4/5;border-radius:20px;overflow:hidden;background:#0c0906;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(0,0,0,.85)}
.pagehero figure img{width:100%;height:100%;object-fit:cover;display:block}
.pagehero figure::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));z-index:1}
.pagehero figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:2.6rem 1.05rem .95rem;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.04em;line-height:1.55;color:var(--text);
  background:linear-gradient(180deg,rgba(12,9,6,0) 0%,rgba(12,9,6,.88) 60%);
}
.pagehero figcaption::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:.5rem;vertical-align:middle;transform:translateY(-1px);background:var(--accent)}
@media (max-width:900px){
  .pagehero{padding-top:2.6rem}
  .pagehero .grid{grid-template-columns:1fr;gap:2.2rem}
  .pagehero figure{order:-1;aspect-ratio:4/3;max-width:34rem}
}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1.1rem;margin-top:2.4rem;counter-reset:step}
.step{border:1px solid var(--line);border-radius:16px;padding:1.45rem 1.35rem 1.5rem;background:linear-gradient(180deg,var(--surface),var(--bg-2));position:relative;overflow:hidden}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;color:var(--accent);margin-bottom:.8rem}
.step::after{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));opacity:.7}
.step h3{font-size:1.14rem;margin-bottom:.5rem;letter-spacing:-.01em}
.step p{color:var(--muted);font-size:.98rem}

/* zones: palette per modality (heat keeps the homepage cyan/amber/red) */
.zones .zone .zdot{color:inherit}
body.page-cold .zones .zone{color:var(--cold)}
body.page-cold .zones .zone.z1{color:#7fd9e6} body.page-cold .zones .zone.z2{color:var(--cold)} body.page-cold .zones .zone.z3{color:#3f8fd6}
body.page-spa .zones .zone.z1{color:var(--spa)} body.page-spa .zones .zone.z2{color:#b07fae} body.page-spa .zones .zone.z3{color:var(--spa-deep)}
.zones.four{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.zones.four{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.zones.four{grid-template-columns:1fr}}
.zonenote{margin-top:1.4rem;color:var(--faint);font-size:.95rem;max-width:70ch}

/* question-led sections: heading left, answer right */
.qa{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:1.2rem 3.2rem;align-items:start}
.qa h2{max-width:16ch}
.qa .answer p{color:var(--muted);font-size:1.06rem}
.qa .answer p + p{margin-top:1rem}
.qa .answer p b,.qa .answer p strong{color:var(--text);font-weight:500}
@media (max-width:820px){.qa{grid-template-columns:1fr}}
section.tight{padding:3.6rem 0}

/* safety accent follows the page */
body.page-cold .safety,body.page-spa .safety{border-left-color:var(--accent)}

/* compact CTA band */
.ctaband{padding:5rem 0}
.ctaband .box{border:1px solid var(--line);border-radius:20px;padding:2.4rem 2.2rem;background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 9%,var(--surface)),var(--bg-2));position:relative;overflow:hidden}
.ctaband .box::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:var(--thermal);opacity:.8}
.ctaband h2{max-width:22ch}
.ctaband .sub{margin-top:.9rem;max-width:58ch;color:var(--muted)}
.ctaband .cta{display:flex;flex-wrap:wrap;gap:1.1rem 1.3rem;align-items:center;margin-top:1.8rem}

/* cross-links to the other guides */
.xlinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem;margin-top:1.8rem}
.xlink{display:block;border:1px solid var(--line);border-radius:14px;padding:1.2rem 1.25rem;background:var(--surface);color:var(--text);transition:border-color .25s,transform .25s}
.xlink:hover{border-color:var(--line-2);transform:translateY(-2px);text-decoration:none}
.xlink .k{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.xlink .k.heat{color:var(--amber-lite)} .xlink .k.cold{color:var(--cold)} .xlink .k.spa{color:var(--spa)}
.xlink b{display:block;font-size:1.08rem;margin-top:.35rem;letter-spacing:-.01em}
.xlink span.d{display:block;color:var(--muted);font-size:.92rem;margin-top:.3rem}
@media (prefers-reduced-motion:reduce){.xlink{transition:none}}

/* homepage modality cards: link to the full guide */
.modality .more{display:inline-block;margin-top:1rem;font-family:var(--mono);font-size:.74rem;letter-spacing:.04em}

/* journal: index list and article prose */
.postlist{margin-top:2.2rem;display:grid;gap:1rem;max-width:52rem}
.postcard{display:block;border:1px solid var(--line);border-radius:16px;padding:1.35rem 1.45rem;background:linear-gradient(180deg,var(--surface),var(--bg-2));color:var(--text)}
.postcard:hover{border-color:var(--line-2);text-decoration:none}
.postcard time,.postcard .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.postcard h2{font-size:1.35rem;margin:.45rem 0 .5rem;max-width:none}
.postcard p{color:var(--muted);font-size:1rem}
.empty{margin-top:2rem;color:var(--muted);max-width:52ch}
.article{padding:3.4rem 0 4rem}
.article .wrap{max-width:46rem}
.article h1{font-size:clamp(2rem,4.8vw,3rem);margin:1rem 0 0}
.article .byline{margin-top:1rem;font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;color:var(--faint)}
.article .dek{margin-top:1.2rem;color:var(--muted);font-size:1.16rem}
.article figure{margin:2rem 0}
.article figure img{border-radius:16px;border:1px solid var(--line)}
.article figcaption{margin-top:.6rem;font-family:var(--mono);font-size:.72rem;color:var(--faint)}
.prose{margin-top:2rem}
.prose h2{font-size:1.6rem;margin:2.4rem 0 .8rem;max-width:none}
.prose h3{font-size:1.22rem;margin:1.8rem 0 .6rem}
.prose p,.prose li{color:var(--muted);font-size:1.07rem}
.prose p + p{margin-top:1rem}
.prose ul,.prose ol{margin:1rem 0 1rem 1.3rem;display:grid;gap:.45rem}
.prose strong{color:var(--text);font-weight:500}
.prose blockquote{margin:1.5rem 0;padding:1rem 1.2rem;border-left:3px solid var(--accent);background:var(--surface);border-radius:0 12px 12px 0;color:var(--muted)}
.prose .sources{margin-top:2.6rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.prose .sources h2{font-size:1.1rem;margin-top:0}
.prose .sources li{font-family:var(--mono);font-size:.78rem}

/* footer links wrap now that there are more of them */
footer .links{flex-wrap:wrap;gap:.6rem 1.4rem}

/* page hero variant: a real app tile instead of a photo (used on /hot-tub) */
.pagehero figure.tile{aspect-ratio:auto;background:transparent;border:0;box-shadow:none;overflow:visible;width:min(100%,19rem);justify-self:center}
.pagehero figure.tile::before{display:none}
.pagehero figure.tile img{height:auto;border-radius:24px;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(0,0,0,.85)}
.pagehero figure.tile figcaption{position:static;background:none;padding:.9rem .2rem 0;color:var(--faint)}
@media (max-width:900px){.pagehero figure.tile{order:0;width:min(78vw,17rem)}}

/* Instagram section (homepage). Self-hosted images of our own posts, each linking to the
   post; nothing from Instagram loads on the site (no embed, no script, no tracker). */
.ig .ighead{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:1.2rem 2rem}
.igfollow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.8rem;letter-spacing:.02em;color:var(--text);border:1px solid var(--line-2);border-radius:100px;padding:.6rem 1rem;transition:border-color .25s,background .25s}
.igfollow:hover{border-color:var(--amber);background:color-mix(in srgb,var(--amber) 12%,transparent);text-decoration:none}
.igfollow svg,.iglogo{width:20px;height:20px;flex:none}
.igrail{display:flex;gap:1rem;overflow-x:auto;scroll-snap-type:x mandatory;margin:2rem -1.5rem 0;padding:0 1.5rem .4rem;scrollbar-width:none}
.igrail::-webkit-scrollbar{display:none}
.igitem{flex:0 0 auto;width:min(62vw,15.5rem);scroll-snap-align:center}
.igtile{display:block;position:relative;aspect-ratio:4/5;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#0c0906;box-shadow:0 24px 48px -26px rgba(0,0,0,.85)}
.igtile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.igtile:hover img{transform:scale(1.03)}
.igtile .igbadge{position:absolute;top:.6rem;right:.6rem;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(12,9,6,.62);color:#fff}
.igtile .igbadge svg{width:16px;height:16px}
.igtile:focus-visible{outline:2px solid var(--amber-lite);outline-offset:3px}
@media (prefers-reduced-motion:reduce){.igtile img,.igfollow{transition:none}.igtile:hover img{transform:none}}
footer .links a.ig-link{display:inline-flex;align-items:center;gap:.4rem}
footer .links a.ig-link svg{width:14px;height:14px}