/* ════════════════════════════════════════════════════════════════════
   RonYen — Outdoor Square Sauna product page (standard range)
   Tokens: brand.css. The page-scoped aliases below map the layout's
   semantic names onto the brand palette — no colour is declared here.
   Landing-page precedent: landing-*.css. Accordions: .faq-item/.faq-q/.pm.
   ════════════════════════════════════════════════════════════════════ */
.os-page{
  --alt:var(--section-alt);
  --accent:var(--sauna); --accent-light:var(--sauna-light); --accent-text:var(--sauna-text);
  --ok:var(--special-deep); --ok-light:var(--special-light);
  --warn:var(--sauna-text);
  --glass:var(--ice);
  --r:var(--r-lg); --r-lg:var(--r-xl); --rail:360px;
  --os-scrim:rgba(26,31,36,.72);
  --os-paper:var(--white);
  --os-bench:var(--peach); --os-bench-lo:var(--cta-tint); --os-bench-line:var(--sauna-hover);
  --os-plan-ink:var(--heading); --os-plan-dim:var(--placeholder);
  /* wall-section diagram: timber faces, insulation fill, membrane */
  --os-timber:var(--sauna-hover); --os-timber-2:var(--sauna); --os-timber-in:var(--peach); --os-timber-in-2:var(--cta-tint);
  --os-ins:var(--surface); --os-ins-2:var(--section-alt); --os-ins-edge:var(--border); --os-membrane:var(--muted);
  /* text on the dark (--nav) blocks */
  --os-on-dark:var(--on-dark-list); --os-on-dark-dim:var(--nav-muted); --os-on-dark-link:var(--peach);
}
/* resets: scoped to the page root — the theme's header and footer keep their own */
.os-page *,.os-page *::before,.os-page *::after{box-sizing:border-box}
.os-page{margin:0;padding:0}

@media (prefers-reduced-motion:reduce){.os-page *{transition:none!important;animation:none!important}}
.os-page{font-family:var(--f);font-weight:300;color:var(--body);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px}
.os-page img,.os-page svg{display:block;max-width:100%}
.os-page a{color:var(--accent-text);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.os-page a:hover{color:var(--heading)}
.os-page button,.os-page input,.os-page select{font:inherit;color:inherit}
.os-page button{cursor:pointer;background:none;border:0}
.os-page :focus-visible{outline:2px solid var(--heading);outline-offset:3px;border-radius:4px}
.os-page h1,.os-page h2,.os-page h3,.os-page h4{color:var(--heading);font-weight:500;letter-spacing:-.01em;line-height:1.2;text-wrap:balance;margin:0}
.os-page p{text-wrap:pretty;margin:0}
.os-page [lang=th]{font-family:var(--f-th);font-weight:400}
.os-page .num,.os-page .price,.os-page td,.os-page .tnum{font-variant-numeric:tabular-nums}
.os-page .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.os-page .muted{color:var(--muted)}

/* header */

/* page grid */
.os-page .page{max-width:1440px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:minmax(0,1fr) var(--rail);gap:0 40px;align-items:start}
.os-page .main{min-width:0}
.os-page .rail{position:sticky;top:calc(var(--ry-header-h,92px) + 16px);margin-top:24px;grid-column:2;grid-row:1}
.os-page .sec{padding:88px 0;border-top:1px solid var(--hairline)}
.os-page .sec:first-child{border-top:0}
.os-page .kick{display:flex;align-items:center;gap:12px;font-size:.74rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.os-page .kick b{color:var(--accent-text);font-weight:600}
.os-page .kick::after{content:"";width:36px;height:1px;background:var(--border)}
.os-page .h2{font-size:clamp(1.65rem,2.6vw,2.4rem);font-weight:400;letter-spacing:-.02em;max-width:22ch}
.os-page .lead{font-size:1.05rem;max-width:62ch;margin-top:16px;color:var(--body)}
.os-page .sec-head{margin-bottom:40px}
.os-page .th-block{border-top:1px solid var(--hairline);margin-top:14px;padding-top:12px;font-size:.95rem;color:var(--body)}
.os-page .th-tag{display:inline-block;font-family:var(--f);font-size:.66rem;font-weight:600;letter-spacing:.1em;color:var(--muted);margin-right:8px;vertical-align:1px}

/* buttons */
.os-page .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:var(--r);font-weight:600;font-size:.9rem;letter-spacing:.01em;text-decoration:none;border:1px solid transparent;transition:background-color .15s,border-color .15s;white-space:nowrap}
.os-page .btn-p{background:var(--cta);color:var(--os-paper)}
.os-page .btn-p:hover{background:var(--cta-hover);color:var(--os-paper)}
.os-page .btn-s{background:var(--os-paper);color:var(--heading);border-color:var(--heading)}
.os-page .btn-s:hover{background:var(--heading);color:var(--os-paper)}
.os-page .btn-g{color:var(--heading);border-color:var(--border);background:transparent}
.os-page .btn-g:hover{border-color:var(--heading);color:var(--heading)}
.os-page .btn-sm{min-height:40px;padding:0 14px;font-size:.82rem}
.os-page .btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.os-page .cta-group{display:flex;flex-wrap:wrap;gap:10px}

/* hero */
.os-page .crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:.78rem;color:var(--muted);padding-top:24px}
.os-page .crumb a{color:var(--muted);text-decoration:none}
.os-page .crumb a:hover{color:var(--heading)}
.os-page .hero-h{padding:18px 0 28px}
.os-page .hero-h .os-h1{font-size:clamp(1.7rem,2.9vw,2.6rem);font-weight:500;letter-spacing:-.02em;line-height:1.12}
.os-page .hero-h .os-h1 span{display:block;color:var(--muted);font-weight:300;font-size:.62em;letter-spacing:-.005em;margin-top:8px;line-height:1.3}
/* the multiplication sign, set in a plain face so it is not a speck (Carl, 15 Oct 2026) */
.os-page .x{font-family:Arial,Helvetica,sans-serif;font-size:1.12em;line-height:1;font-weight:400}
/* embedded on the Custom Saunas page (an H2 under the style picker): the host
   band supplies the top padding and the background */
.os-page.os-embed{background:transparent}
.os-page.os-embed .hero-h{padding-top:0}
/* on a phone the rail is a fixed bottom bar; embedded, it belongs to the
   configurator only — outdoor-square.js adds .rail-away while the
   configurator is off screen (the host page's hero and quiz are not its) */
.os-page.os-embed.rail-away .rail{display:none}
.os-page .promise{font-size:.92rem;line-height:1.5;margin-top:12px;max-width:60ch}
.os-page .promise-wide{max-width:none}
.os-page .cfg{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,1fr);gap:32px;align-items:start}
.os-page .viz{position:sticky;top:calc(var(--ry-header-h,92px) + 16px)}
.os-page .viz-box{position:relative;aspect-ratio:4/3.3;max-height:72vh;width:100%;background:linear-gradient(var(--surface),var(--section-alt));border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--hairline)}
.os-page .viz-box canvas{position:absolute;inset:0}
/* LOADER — a line drawing of the style draws itself while the 3D loads */
.os-page .viz-loader{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--muted);font-size:.86rem;text-align:center;padding:24px;background:var(--surface);transition:opacity .5s ease}
.os-page .viz-loader[hidden]{display:none}
.os-page .viz-box.ready .viz-loader{opacity:0;pointer-events:none}
.os-page .viz-sketch{width:min(320px,62%);height:auto;color:var(--heading)}
.os-page .viz-sketch .d{fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;animation:os-draw 3.2s ease-in-out infinite;animation-delay:calc(var(--i) * .14s)}
@keyframes os-draw{0%{stroke-dashoffset:1}40%,78%{stroke-dashoffset:0}100%{stroke-dashoffset:-1}}
.os-page .viz-loading{margin:0;letter-spacing:.01em}
.os-page .viz-loader .btn[hidden]{display:none}
.os-page .viz-box canvas{opacity:0;transition:opacity .6s ease}
.os-page .viz-box.ready canvas{opacity:1}
@media (prefers-reduced-motion:reduce){.os-page .viz-sketch .d{animation:none;stroke-dashoffset:0}.os-page .viz-box canvas,.os-page .viz-loader{transition:none}}
/* a measured line drawing shown in place of the 3D */
.os-page .viz-draw{position:absolute;inset:0;z-index:1;width:100%;height:100%;object-fit:contain;background:var(--os-paper)}
.os-page .viz-draw[hidden]{display:none}
/* the view strip under the render: 3D, then the drawings */
.os-page .viz-thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.os-page .viz-thumbs::-webkit-scrollbar{display:none}
.os-page .vt{flex:1 1 0;min-width:64px;max-width:132px;display:flex;flex-direction:column;align-items:center;gap:4px;padding:4px;border:1px solid var(--hairline);border-radius:var(--r-md);background:var(--surface);cursor:pointer;font:inherit;font-size:.72rem;color:var(--muted);transition:border-color .15s,background .15s}
.os-page .vt:hover{border-color:var(--heading)}
.os-page .vt.on{border-color:var(--heading);color:var(--heading);background:var(--ok-light)}
.os-page .vt-im{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:4/3;border-radius:6px;background:var(--os-paper);overflow:hidden;color:var(--heading)}
.os-page .vt-im img{width:100%;height:100%;object-fit:contain}
.os-page .vt-t{font-weight:500}
.os-page .viz-label{display:flex;justify-content:flex-start;gap:16px;font-size:.78rem;color:var(--muted);margin-top:10px;line-height:1.45}
.os-page .viz-label b{color:var(--heading);font-weight:500}
.os-page .viz-tag{position:absolute;left:12px;top:12px;z-index:3;display:inline-flex;align-items:center;gap:7px;background:var(--heading);color:var(--os-paper);border-radius:999px;padding:7px 14px 7px 11px;font-size:.8rem;font-weight:500;pointer-events:none;box-shadow:0 2px 10px rgba(0,0,0,.12);opacity:0;transition:opacity .4s ease}
.os-page .viz-box.ready .viz-tag{opacity:1}
.os-page .viz-box.drawing .viz-tag{opacity:0}
.os-page .viz-tag svg{flex:0 0 auto}
.os-page .viz-tag .zoom-m{display:none}
@media (hover:none){.os-page .viz-tag .zoom{display:none}.os-page .viz-tag .zoom-m{display:inline}}
.os-page .viz-hint{position:absolute;right:12px;bottom:12px;background:var(--os-scrim);color:var(--os-paper);border-radius:999px;padding:5px 12px;font-size:.72rem;pointer-events:none}
.os-page .viz-summary{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.os-page .viz-summary span{font-size:.74rem;font-weight:400;padding:4px 10px;border-radius:999px;background:var(--surface);border:1px solid var(--hairline);color:var(--body)}

/* configurator */
.os-page .opts{display:flex;flex-direction:column;gap:26px}
/* The global .opt swatch rule (brand.css) gives these fieldsets a white panel and padding.
   A fieldset paints its background from the middle of its <legend>, which cut the top
   off every panel (Carl, 15 Oct 2026). Floating the legend lays it out as ordinary
   content inside the panel, so the panel's top edge sits evenly above the heading. */
.os-page .opt{display:block;border:0;min-width:0;padding:16px 18px 18px;border-radius:var(--r-lg);text-align:left;cursor:auto}
.os-page .opt>legend{float:left}
.os-page .opt>legend+*{clear:both}
.os-page .opt legend{display:flex;justify-content:space-between;align-items:baseline;width:100%;font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--heading);margin-bottom:10px}
.os-page .opt legend i{font-style:normal;font-weight:400;letter-spacing:0;text-transform:none;color:var(--muted);font-size:.78rem}
.os-page .opt-note{font-size:.8rem;color:var(--muted);margin:-4px 0 10px;text-align:left}
/* a note sitting under a row of selectors gets breathing room (Carl, 15 Oct 2026) */
.os-page div+.opt-note{margin-top:16px}
.os-page .chips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.os-page .cards{display:grid;gap:8px}
.os-page .cards.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.os-page .cards .pick,.os-page .cards .pb{height:100%}
.os-page .cards .pb{box-sizing:border-box}
.os-page .cards.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.os-page .pick{position:relative;display:block}
.os-page .pick input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer;z-index:1}
.os-page .pick .pb{display:flex;flex-direction:column;gap:2px;min-height:56px;padding:11px 13px;border:1px solid var(--border);border-radius:var(--r);background:var(--os-paper);transition:border-color .12s,box-shadow .12s;text-align:left;align-items:flex-start}
.os-page .pb .tx{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
/* cards with a product photo (heaters, control panels): photo left, text right */
.os-page .card-img .pb{flex-direction:column;gap:8px;align-items:stretch;padding-top:10px}
.os-page .pb .pi{width:100%;height:96px;flex:none;object-fit:contain;border-radius:4px;background:var(--surface);padding:6px}
.os-page .pb .pi-none{display:block;height:0;padding:0;background:none}
.os-page .pick:hover .pb{border-color:var(--heading)}
.os-page .pick input:checked+.pb{border-color:var(--heading);box-shadow:inset 0 0 0 1px var(--heading);background:var(--ok-light)}
.os-page .pick input:focus-visible+.pb{outline:2px solid var(--heading);outline-offset:2px}
.os-page .pick input:disabled{cursor:not-allowed}
.os-page .pick input:disabled+.pb{background:var(--surface);color:var(--muted);border-style:dashed}
.os-page .pb .t{font-weight:500;color:var(--heading);font-size:.9rem;line-height:1.3;text-align:left}
.os-page .pb .s{font-size:.76rem;color:var(--muted);line-height:1.35;text-align:left}
.os-page .pb .p{font-size:.78rem;font-weight:500;color:var(--body);margin-top:auto;padding-top:4px;text-align:left}
.os-page .pb .p s{color:var(--muted);font-weight:400;margin-right:4px}
.os-page .pb .p.inc{color:var(--ok)}
.os-page .pick input[type=checkbox]+.pb{padding-right:40px}
.os-page .pick input[type=checkbox]+.pb::after{content:"";position:absolute;right:12px;top:12px;width:18px;height:18px;border:1px solid var(--border);border-radius:4px;background:var(--os-paper)}
.os-page .pick input[type=checkbox]:checked+.pb::after{background:var(--heading) no-repeat center/12px url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");border-color:var(--heading)}
.os-page .size-chip .pb{min-height:74px}
.os-page .size-chip .t{font-size:1rem}
.os-page .size-chip.nofit .pb{background:var(--surface);border-style:dashed}
.os-page .size-chip.nofit .t,.os-page .size-chip.nofit .s{color:var(--muted)}
.os-page .size-chip .why{display:none;font-size:.72rem;color:var(--warn);line-height:1.3;margin-top:3px}
.os-page .size-chip.nofit .why{display:block}
.os-page .swatch .pb{flex-direction:row;align-items:center;gap:10px}
.os-page .swatch .sw{width:26px;height:26px;border-radius:50%;flex:none;border:1px solid rgba(0,0,0,.12)}
.os-page .timber .pb{flex-direction:row;gap:12px;align-items:stretch}
.os-page .timber .pb img{width:52px;height:auto;align-self:stretch;object-fit:cover;border-radius:4px;flex:none}
.os-page .timber .pb>div{display:flex;flex-direction:column;gap:2px;min-width:0;text-align:left;align-items:flex-start}
.os-page .std-row{display:flex;align-items:center;gap:10px;font-size:.84rem;padding:10px 13px;border:1px solid var(--hairline);border-radius:var(--r);background:var(--surface);margin-bottom:8px}
.os-page .std-row b{font-weight:500;color:var(--heading)}
.os-page .std-row em{font-style:normal;margin-left:auto;color:var(--ok);font-size:.78rem;font-weight:500}

/* photos */
/* PHOTOS — 4 across, 16:9 landscape tiles cropped from the centre (Carl, 15 Oct 2026); each opens the lightbox */
.os-page .gal{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.os-page .gal-i{position:relative;display:block;margin:0;padding:0;border:0;aspect-ratio:16/9;overflow:hidden;border-radius:8px;background:var(--section-alt);cursor:zoom-in}
.os-page .gal-i img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;transition:transform .35s ease}
.os-page .gal-i:hover img{transform:scale(1.03)}
.os-page .gal-i:focus-visible{outline:2px solid var(--heading);outline-offset:2px}
.os-page .gal-sub figure img,.os-page .gal-sub figure video{width:100%;height:100%;object-fit:cover;display:block}
.os-page .gal-sub figure{min-width:0;overflow:hidden;border-radius:8px}
.os-page ::placeholder{color:var(--placeholder);opacity:1}
.os-page .gal-sub{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}
.os-page .gal-sub figure{position:relative;margin:0;aspect-ratio:16/9}
.os-page .gal-size[hidden]{display:none}

/* essentials */
.os-page .ess{background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:0 10px 28px rgba(26,31,36,.07);overflow:hidden}
.os-page .ess-top{padding:18px 20px 16px;border-bottom:1px solid var(--hairline)}
.os-page .ess-model{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;display:flex;justify-content:space-between;align-items:center}
.os-page .ess-size{font-size:1.15rem;font-weight:500;color:var(--heading);margin-top:4px;line-height:1.3}
.os-page .ess-dims{font-size:.8rem;color:var(--muted);margin-top:2px}
.os-page .share-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;color:var(--heading);text-transform:none;letter-spacing:0}
.os-page .share-btn:hover{border-color:var(--heading)}
.os-page .share-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.os-page .pblock{padding:16px 20px;border-bottom:1px solid var(--hairline)}
.os-page .pb-full{font-size:.82rem;color:var(--muted);display:flex;justify-content:space-between}
.os-page .pb-full s{text-decoration-thickness:1px}
.os-page .pb-list{font-size:.86rem;display:flex;justify-content:space-between;color:var(--body);margin-top:2px}
.os-page .pb-now{display:flex;justify-content:space-between;align-items:baseline;margin-top:6px}
.os-page .pb-now .lab{font-size:.78rem;font-weight:500;color:var(--accent-text)}
.os-page .pb-now .price{font-size:1.75rem;font-weight:500;color:var(--heading);letter-spacing:-.02em;line-height:1.1;min-width:8ch;text-align:right}
.os-page .pb-promo{display:block;width:100%;font-size:.78rem;font-weight:500;color:var(--accent-text);background:var(--accent-light);border-radius:var(--r);padding:7px 10px;margin-top:8px;text-align:left}
.os-page .pb-delta{font-size:.76rem;margin-top:8px;padding:6px 10px;border-radius:4px;background:var(--accent-light);color:var(--accent-text);opacity:0;transition:opacity .2s;min-height:30px}
.os-page .pb-delta.show{opacity:1}
.os-page .pb-dep{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.os-page .pb-dep div{background:var(--surface);border-radius:4px;padding:8px 10px}
.os-page .pb-dep .k{font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.os-page .pb-dep .v{font-size:.95rem;font-weight:500;color:var(--heading)}
.os-page .ess-facts{padding:12px 20px;display:flex;flex-direction:column;gap:8px;font-size:.82rem;border-bottom:1px solid var(--hairline)}
.os-page .ess-facts div{display:grid;grid-template-columns:20px 1fr;gap:8px;line-height:1.4}
.os-page .ess-facts svg{width:16px;height:16px;margin-top:2px;fill:none;stroke:var(--muted);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.os-page .ess-facts b{font-weight:500;color:var(--heading)}
.os-page .ess-break{padding:0 20px;border-bottom:1px solid var(--hairline)}
.os-page .ess-break summary{list-style:none;cursor:pointer;padding:12px 0;font-size:.8rem;font-weight:500;color:var(--heading);display:flex;justify-content:space-between}
.os-page .ess-break summary::-webkit-details-marker{display:none}
.os-page .ess-break summary::after{content:"+";display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border:1.5px solid var(--heading);border-radius:50%;color:var(--heading);font-weight:600;font-size:1.05rem;line-height:1}
.os-page .ess-break[open] summary::after{content:"−";background:var(--heading);color:var(--os-paper)}
.os-page .ess-break ul{list-style:none;padding-bottom:12px;font-size:.78rem}
.os-page .ess-break li{display:flex;justify-content:space-between;gap:12px;padding:3px 0}
.os-page .ess-break li.disc{color:var(--accent-text)}
.os-page .ess-cta{padding:16px 20px;display:grid;gap:8px}
.os-page .ess-cta .btn{width:100%}
.os-page .ess-foot{padding:14px 20px 8px;font-size:.74rem;color:var(--muted);text-align:center;border-top:1px solid var(--hairline)}
.os-page .ess-foot a{color:var(--muted)}
.os-page .sheet-handle,.os-page .sheet-mini{display:none}
.os-page .toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--heading);color:var(--os-paper);font-size:.84rem;padding:10px 18px;border-radius:999px;opacity:0;pointer-events:none;transition:.2s;z-index:90}
.os-page .toast.show{opacity:1;transform:translateX(-50%)}

/* fit */
.os-page .fit{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:32px;align-items:start}
.os-page .fit-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px}
.os-page .fld label{display:block;font-size:.78rem;font-weight:500;color:var(--heading);margin-bottom:6px}
.os-page .fld .u{position:relative}
.os-page .fld input,.os-page .fld select,.os-page .mfld input,.os-page .mfld select{width:100%;min-height:48px;border:1px solid var(--border);border-radius:var(--r);padding:0 44px 0 14px;font-size:1rem;background:var(--os-paper);color:var(--heading)}
.os-page .fld .u span{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:.82rem;color:var(--muted);pointer-events:none}
.os-page .fld input:focus,.os-page .mfld input:focus,.os-page .mfld select:focus{outline:2px solid var(--heading);outline-offset:0;border-color:var(--heading)}
.os-page .fld.full{grid-column:1/-1}
.os-page .fld small{display:block;font-size:.74rem;color:var(--muted);margin-top:5px;line-height:1.4}
.os-page .fit-res{grid-column:1/-1;display:flex;flex-direction:column;gap:6px;margin-top:4px}
.os-page .fit-row{display:grid;grid-template-columns:22px 1fr;gap:10px;padding:10px 12px;border-radius:var(--r);font-size:.84rem;line-height:1.4;background:var(--surface)}
.os-page .fit-row b{font-weight:500;color:var(--heading)}
.os-page .fit-row.ok{background:var(--ok-light)}
.os-page .fit-row .ic{width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600;color:var(--os-paper);background:var(--muted);margin-top:1px}
.os-page .fit-row.ok .ic{background:var(--ok)}
.os-page .fit-row.no .ic{background:var(--warn)}
.os-page .fit-row.no b{color:var(--warn)}
.os-page .plan{background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);padding:18px}
.os-page .plan svg{width:100%;height:auto}
.os-page .plan-cap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.76rem;color:var(--muted);margin-top:10px}
.os-page .plan-legend{display:flex;flex-wrap:wrap;gap:14px;font-size:.74rem;color:var(--muted);margin-top:8px}
.os-page .plan-legend i{display:inline-block;width:14px;height:0;border-top:2px solid;vertical-align:middle;margin-right:6px}
.os-page .panel-note{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}
.os-page .stat{background:var(--surface);border-radius:var(--r);padding:12px 14px}
.os-page .stat .k{font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.os-page .stat .v{font-size:1.02rem;font-weight:500;color:var(--heading);line-height:1.3;margin-top:2px}
.os-page .stat .s{font-size:.74rem;color:var(--muted);line-height:1.35;margin-top:2px}

/* build */
.os-page .wall{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:32px;align-items:center;background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);padding:28px}
.os-page .wall-ph{margin:0}
.os-page .wall-ph img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r)}
.os-page .wall-ph figcaption{font-size:.78rem;color:var(--muted);margin-top:8px}
.os-page .layers+.layer-axis+.wall-ph{margin-top:18px}
.os-page .layers{display:flex;height:220px;border-radius:4px;overflow:hidden}
.os-page .layers div{position:relative;display:flex;align-items:flex-end;justify-content:center;padding-bottom:8px;font-size:.72rem;font-weight:600;color:var(--heading)}
.os-page .ly-ext{flex:8;background:repeating-linear-gradient(90deg,var(--os-timber) 0 3px,var(--os-timber-2) 3px 7px)}
.os-page .ly-ins{flex:30;background:repeating-linear-gradient(45deg,var(--os-ins) 0 6px,var(--os-ins-2) 6px 12px);border-left:3px solid var(--os-ins-edge);border-right:3px solid var(--os-ins-edge)}
.os-page .ly-mem{flex:5;background:var(--os-membrane);color:var(--os-paper)!important}
.os-page .ly-int{flex:8;background:repeating-linear-gradient(90deg,var(--os-timber-in) 0 3px,var(--os-timber-in-2) 3px 7px)}
.os-page .layer-axis{display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted);margin-top:8px}
/* WALL — LAYOUT C: labelled full-width diagram, columns beneath, photo strip */
.os-page .wall-c{background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);padding:28px}
.os-page .layers--lab{height:240px;overflow:visible;margin-top:64px}
.os-page .layers--lab>div{flex-basis:0;min-width:0}
.os-page .layers--lab>div:first-child{border-radius:4px 0 0 4px}.os-page .layers--lab>div:last-child{border-radius:0 4px 4px 0}
.os-page .ly-tag{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%);white-space:nowrap;font-size:.78rem;font-weight:600;color:var(--heading);text-transform:none;letter-spacing:0}
.os-page .ly-tag b{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:var(--heading);color:var(--os-paper);font-size:.66rem;margin-right:4px}
.os-page .ly-tag::after{content:"";position:absolute;left:50%;top:100%;width:1px;height:10px;background:var(--muted)}
.os-page .ly-tag--hi{bottom:calc(100% + 36px)}
.os-page .ly-tag--hi::after{height:36px}
.os-page .ly-mm{font-size:.74rem;font-weight:600}
.os-page .layer-cols{list-style:none;margin:24px 0 0;padding:20px 0 0;border-top:1px solid var(--hairline);display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:24px}
.os-page .layer-cols li{display:flex;flex-direction:column;gap:4px;font-size:.86rem;line-height:1.5}
.os-page .layer-cols .lc-sw{display:block;width:100%;height:6px;border-radius:3px;margin-bottom:8px}
.os-page .layer-cols .lc-mm{font-weight:600;color:var(--accent-text);font-size:.8rem;letter-spacing:.02em}
.os-page .layer-cols b{font-weight:500;color:var(--heading)}
.os-page .wall-ph--strip{margin-top:24px}
.os-page .wall-ph--strip img{aspect-ratio:21/8;border-radius:var(--r)}
@media (max-width:760px){
  .os-page .wall-c{padding:18px}
  .os-page .layers--lab{height:150px;margin-top:0}
  .os-page .ly-tag{display:none}
  .os-page .layer-cols{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}
  .os-page .wall-ph--strip img{aspect-ratio:16/9}
}
.os-page .layer-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.os-page .layer-list li{display:grid;grid-template-columns:52px 1fr;gap:12px;font-size:.86rem;line-height:1.45}
.os-page .layer-list li b{font-weight:500;color:var(--heading);display:block}
.os-page .layer-list .mm{font-weight:600;color:var(--accent-text);font-size:.9rem}
.os-page .build-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}
.os-page .bcard{background:var(--os-paper);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:20px 22px}
.os-page .bcard h3{font-size:1.02rem;font-weight:500;margin-bottom:8px}
.os-page .bcard p,.os-page .bcard li{font-size:.88rem}
.os-page .bcard ul{padding-left:18px;display:flex;flex-direction:column;gap:3px}
.os-page .timbers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}
.os-page .tcard{display:grid;grid-template-columns:120px 1fr;gap:16px;background:var(--os-paper);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden}
.os-page .tcard img{width:100%;height:100%;object-fit:cover}
.os-page .tcard>div{padding:16px 18px 16px 0}
.os-page .tcard h3{font-size:1rem;font-weight:500}
.os-page .tcard p{font-size:.84rem;margin-top:4px}
.os-page .tcard .tag{display:inline-block;font-size:.68rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:8px}

/* tables */
.os-page .tbl{width:100%;border-collapse:collapse;font-size:.88rem;background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden}
.os-page .tbl caption{text-align:left;font-size:.78rem;color:var(--muted);padding:0 0 10px;caption-side:top}
.os-page .tbl th,.os-page .tbl td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--hairline);vertical-align:top}
.os-page .tbl thead th{font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;background:var(--surface)}
.os-page .tbl tbody th{font-weight:500;color:var(--heading);width:24%}
.os-page .tbl tr:last-child>*{border-bottom:0}
.os-page .tbl .cur{background:var(--ok-light)}
.os-page .tbl-wrap{overflow-x:auto;border-radius:var(--r-lg)}

/* heaters */
/* heaters three abreast on desktop (Carl, 15 Oct 2026), two on phones */
.os-page .heat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.os-page .hcard{background:var(--os-paper);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column}
.os-page .hcard.on{border-color:var(--heading);box-shadow:inset 0 0 0 1px var(--heading)}
.os-page .hcard .img{height:200px;background:var(--white);display:flex;align-items:center;justify-content:center}
.os-page .hcard .img img{max-height:170px;width:auto;object-fit:contain}
.os-page .hcard .bd{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.os-page .hcard h3{font-size:1.05rem;font-weight:500}
.os-page .hcard p{font-size:.86rem}
.os-page .hcard dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:.82rem;margin-top:4px}
.os-page .hcard dt{color:var(--muted)}
.os-page .hcard dd{color:var(--heading);font-weight:500}
.os-page .hcard .chip{align-self:flex-start;font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:999px;background:var(--surface);color:var(--muted)}
.os-page .hcard.on .chip{background:var(--ok-light);color:var(--ok)}
.os-page .hcard.on{border-color:var(--ok);box-shadow:inset 0 0 0 1px var(--ok);background:var(--ok-light)}
.os-page .heat-more-wrap{margin-top:12px;text-align:center}
.os-page .heat-more-wrap:empty{display:none}
.os-page .cards .heat-more-wrap{grid-column:1/-1;margin-top:2px}
.os-page .rec{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:18px}

/* crate */
.os-page .crate{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;list-style:none;background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);padding:8px 24px}
.os-page .crate li{display:flex;flex-direction:column;gap:1px;padding:11px 0;border-bottom:1px solid var(--hairline);font-size:.88rem}
.os-page .crate li b{font-weight:500;color:var(--heading)}
.os-page .crate li span{color:var(--muted);font-size:.84rem}
.os-page .wk-wrap figure{margin:0}.os-page .wk-wrap figcaption{font-size:.74rem;color:var(--muted);margin-top:6px;line-height:1.4}
.os-page .crate li.opt-on b::after{content:"Selected";margin-left:8px;font-size:.66rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ok)}

/* two col checklist */
.os-page .duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.os-page .duo>div{background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px 24px}
.os-page .duo>div.ours{background:var(--nav);border-color:var(--nav);color:var(--os-on-dark)}
.os-page .duo h3{font-size:1.1rem;font-weight:500;display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.os-page .duo .ours h3{color:var(--os-paper)}
.os-page .duo h3 [lang=th]{font-size:.9rem;color:var(--muted)}
.os-page .duo .ours h3 [lang=th]{color:var(--os-on-dark-dim)}
.os-page .check{list-style:none;margin-top:14px;display:flex;flex-direction:column}
.os-page .check li{display:grid;grid-template-columns:22px 1fr;gap:10px;padding:12px 0;border-top:1px solid var(--hairline);font-size:.88rem;line-height:1.5}
.os-page .ours .check li{border-color:rgba(255,255,255,.1)}
.os-page .check li::before{content:"";width:16px;height:16px;border:1.5px solid var(--muted);border-radius:4px;margin-top:3px}
.os-page .check li:has(.ci)::before{display:none}
.os-page .check li:has(.ci){grid-template-columns:24px 1fr}
.os-page .check .ci{display:block;width:22px;height:22px;color:var(--accent-text);margin-top:1px}
.os-page .check .ci svg{width:22px;height:22px;display:block}
.os-page .power-note{font-size:.8rem;color:var(--muted);margin-top:10px}
.os-page .ours .check li::before{border:0;background:no-repeat center/14px url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E88050' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E")}
.os-page .check b{font-weight:500;color:var(--heading)}
.os-page .ours .check b{color:var(--os-paper)}
.os-page .check [lang=th]{display:block;color:var(--muted);font-size:.86rem;margin-top:4px}
.os-page .ours .check [lang=th]{color:var(--os-on-dark-dim)}
.os-page .ours a{color:var(--os-on-dark-link)}
.os-page .power{margin-top:14px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.os-page .power .stat{background:var(--surface)}
.os-page .weights{margin-top:14px}

/* timeline */
.os-page .tl{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;position:relative;margin-top:8px}
.os-page .tl li{position:relative;padding:28px 14px 0 0}
.os-page .tl li::before{content:"";position:absolute;top:8px;left:0;right:0;height:2px;background:var(--border)}
.os-page .tl li:last-child::before{right:auto;width:16px}
.os-page .tl li::after{content:"";position:absolute;top:2px;left:0;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--heading)}
.os-page .tl li.now::after{background:var(--ok);border-color:var(--ok)}
.os-page .tl .d{font-size:1.05rem;font-weight:500;color:var(--heading);line-height:1.25}
.os-page .tl .w{font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.os-page .tl .x{font-size:.82rem;margin-top:4px;line-height:1.45}
.os-page .tl .x[lang=th]{color:var(--muted);font-size:.8rem;margin-top:6px}
.os-page .del-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:32px}
.os-page .prov{display:flex;gap:12px;align-items:end;flex-wrap:wrap;background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);padding:18px 20px;margin-top:14px}
.os-page .prov .fld{flex:1;min-width:220px}
.os-page .prov-out{flex:1.4;min-width:240px;font-size:.88rem;line-height:1.5}
.os-page .prov-out b{color:var(--heading);font-weight:500}
.os-page .prov-out .isl{color:var(--accent-text)}

/* install */
.os-page .inst{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.os-page .inst>div{background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px 24px;display:flex;flex-direction:column;gap:12px}
.os-page .inst h3{font-size:1.15rem;font-weight:500}
.os-page .inst .price{font-size:1.4rem;font-weight:500;color:var(--heading)}
.os-page .inst ul{padding-left:18px;font-size:.86rem;display:flex;flex-direction:column;gap:3px}
.os-page .inst .vid{position:relative;aspect-ratio:16/9}
.os-page .day{list-style:none;display:flex;flex-direction:column;gap:0;font-size:.86rem}
.os-page .day li{display:grid;grid-template-columns:96px 1fr;gap:12px;padding:9px 0;border-top:1px solid var(--hairline)}
.os-page .day b{font-weight:500;color:var(--heading)}
.os-page .sup{margin-top:14px;background:var(--surface);border-radius:var(--r-lg);padding:18px 22px;display:flex;gap:16px 20px;align-items:center;justify-content:space-between;flex-wrap:wrap;font-size:.88rem}
.os-page .sup b{color:var(--heading);font-weight:500}

/* after order mock */
.os-page .track{background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:0 20px 50px rgba(26,31,36,.08)}
.os-page .track-bar{display:flex;align-items:center;gap:12px;padding:12px 18px;background:var(--surface);border-bottom:1px solid var(--hairline);font-size:.78rem;color:var(--muted)}
.os-page .track-bar i{width:10px;height:10px;border-radius:50%;background:var(--border)}
.os-page .track-bar span{margin-left:8px;background:var(--os-paper);border-radius:999px;padding:3px 12px;flex:1;max-width:420px}
.os-page .track-in{padding:22px 24px;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px}
.os-page .track h3{font-size:1.15rem;font-weight:500}
.os-page .track-order{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:18px}
.os-page .to-head{padding-bottom:14px;border-bottom:1px solid var(--hairline);margin-bottom:14px}
.os-page .to-num{font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.os-page .to-date{font-size:.7rem;color:var(--placeholder);margin-left:10px}
.os-page .to-head h3{margin-top:6px}
.os-page .to-prod{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.os-page .to-im{width:64px;height:64px;border-radius:var(--r);overflow:hidden;background:var(--section-alt);flex:0 0 auto}
.os-page .to-im img{width:100%;height:100%;object-fit:cover;display:block}
.os-page .to-name{font-weight:500;color:var(--heading);font-size:.95rem;margin-bottom:8px}
.os-page .to-status{display:inline-block;padding:5px 11px;border-radius:999px;font-size:.76rem;font-weight:500;background:var(--ok);color:var(--os-paper)}
.os-page .to-sub{font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin:18px 0 10px}
.os-page .steps{list-style:none;display:flex;justify-content:space-between;position:relative;margin:6px 0 4px;padding:14px 4px 0;border-top:1px solid var(--hairline)}
.os-page .steps::before{content:"";position:absolute;top:24px;left:26px;right:26px;height:2px;background:var(--border)}
.os-page .steps li{position:relative;z-index:1;flex:1;text-align:center;font-size:.64rem;color:var(--muted);line-height:1.3}
.os-page .steps li i{display:flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--border);border:2px solid var(--os-paper);margin:0 auto 6px;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.os-page .steps li.done{color:var(--ok)}
.os-page .steps li.done i{background:var(--ok)}
.os-page .steps li.done i::after{content:"";width:6px;height:10px;border:solid var(--os-paper);border-width:0 2px 2px 0;transform:translateY(-1px) rotate(45deg)}
.os-page .steps li.now{color:var(--ok);font-weight:600}
.os-page .steps li.now i{background:var(--ok);width:24px;height:24px;margin-top:-2px}
.os-page .wk{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.os-page .wk figure{margin:0;position:relative;aspect-ratio:4/3}
.os-page .wk figcaption{font-size:.72rem;color:var(--muted);margin-top:4px}
.os-page .wk-wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.os-page .track aside{border-left:1px solid var(--hairline);padding-left:22px;font-size:.84rem;display:flex;flex-direction:column;gap:10px}
.os-page .track aside b{font-weight:500;color:var(--heading)}

/* visit */
.os-page .visit{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;background:var(--nav);color:var(--os-on-dark);border-radius:var(--r-lg);overflow:hidden}
.os-page .visit .ph{position:relative;min-height:340px}
.os-page .visit .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.os-page .visit .bd{padding:32px}
.os-page .visit h2{color:var(--os-paper)}
.os-page .visit .lead{color:var(--os-on-dark)}
.os-page .visit ul{list-style:none;margin:20px 0;display:flex;flex-direction:column}
.os-page .visit li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid rgba(255,255,255,.12);font-size:.88rem}
.os-page .visit li b{color:var(--os-paper);font-weight:500}
.os-page .visit .btn-s{background:transparent;color:var(--os-paper);border-color:rgba(255,255,255,.5)}
.os-page .visit .btn-s:hover{background:var(--os-paper);color:var(--heading)}

/* faq (house accordion) */
.os-page .faq-list{border-top:1px solid var(--border)}
.os-page .faq-item{border-bottom:1px solid var(--border)}
.os-page .faq-item h3{font-size:inherit;font-weight:inherit}
.os-page .faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;text-align:left;padding:20px 4px;font-family:var(--f);font-weight:500;font-size:1.02rem;color:var(--heading);line-height:1.4}
.os-page .faq-q .pm{width:34px;height:34px;flex:none;border:1.5px solid var(--heading);border-radius:50%;background:no-repeat center/14px 14px url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231A1F24' stroke-width='2.8' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");transition:transform .25s ease,background-color .15s,border-color .15s}
.os-page .faq-q:hover .pm{border-color:var(--heading)}
.os-page .faq-item.open .faq-q .pm{transform:rotate(45deg);background-color:var(--nav);border-color:var(--nav);background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2.8' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E")}
.os-page .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}
.os-page .faq-item.open .faq-a{grid-template-rows:1fr}
.os-page .faq-a>div{overflow:hidden}
.os-page .faq-a p{padding:0 56px 22px 4px;font-size:.92rem;max-width:72ch}

/* final */
.os-page .final{background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r-lg);padding:36px;display:grid;grid-template-columns:minmax(0,1fr);gap:22px}
.os-page .final h2{font-size:1.6rem;font-weight:400}
.os-page .final p{margin-top:8px;font-size:.92rem}

/* modal */
.os-page .modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(26,31,36,.48)}
.os-page .modal.open{display:flex}
.os-page .mbox{background:var(--bg);border-radius:var(--r-lg);width:100%;max-width:640px;max-height:calc(100vh - 48px);overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.25)}
.os-page .mbox.wide{max-width:880px}
.os-page .mhead{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:22px 26px 16px;border-bottom:1px solid var(--hairline);position:sticky;top:0;background:var(--bg);z-index:2}
.os-page .mhead h2{font-size:1.3rem;font-weight:500}
.os-page .mhead p{font-size:.84rem;color:var(--muted);margin-top:2px}
.os-page .mx{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex:none}
.os-page .mx:hover{border-color:var(--heading)}
.os-page .mx svg{width:16px;height:16px;stroke:var(--heading);stroke-width:2;fill:none;stroke-linecap:round}
.os-page .mbody{padding:20px 26px 26px}
.os-page .mgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.os-page .mfld label{display:block;font-size:.78rem;font-weight:500;color:var(--heading);margin-bottom:6px}
.os-page .mfld input,.os-page .mfld select{padding:0 14px}
.os-page .mfld.full{grid-column:1/-1}
.os-page .seg{display:flex;gap:8px}
.os-page .seg .pick{flex:1}
.os-page .seg .pb{min-height:48px;justify-content:center;align-items:center;flex-direction:row}
.os-page .msum{background:var(--os-paper);border:1px solid var(--hairline);border-radius:var(--r);padding:14px 16px;font-size:.84rem;margin-top:16px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.os-page .msum b{color:var(--heading);font-weight:500}
.os-page .mfoot{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}
.os-page .next{list-style:none;counter-reset:n;display:flex;flex-direction:column;gap:0;margin:6px 0 20px}
.os-page .next li{counter-increment:n;display:grid;grid-template-columns:30px 1fr;gap:10px;padding:10px 0;border-top:1px solid var(--hairline);font-size:.88rem}
.os-page .next li::before{content:counter(n);width:24px;height:24px;border-radius:50%;background:var(--heading);color:var(--os-paper);font-size:.74rem;font-weight:600;display:flex;align-items:center;justify-content:center}
.os-page .next b{font-weight:500;color:var(--heading)}
.os-page .dep-amt{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.os-page .dep-amt .stat .v{font-size:1.5rem}
.os-page .dep-amt .stat.big{background:var(--heading)}
.os-page .dep-amt .stat.big .k,.os-page .dep-amt .stat.big .s{color:var(--os-on-dark)}
.os-page .dep-amt .stat.big .v{color:var(--os-paper)}
.os-page .ess-dep{margin:12px 20px 0}
.os-page .ess-dep .stat .v{font-size:1.15rem}
.os-page .ess-dep .stat .s{font-size:.7rem}
.os-page .paym{display:grid;gap:8px;margin-top:16px}
.os-page .paym .pb{flex-direction:row;align-items:center;gap:12px;padding-right:13px}
.os-page .paym .pb .p{margin:0 0 0 auto;padding:0}

/* spec sheet */
.os-page .spec{background:var(--os-paper);border:1px solid var(--border);border-radius:var(--r);padding:24px;font-size:.84rem}
.os-page .spec-h{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;border-bottom:2px solid var(--heading);padding-bottom:12px;margin-bottom:12px}
.os-page .spec-h img{height:20px;width:auto}
.os-page .spec-h h3{font-size:1.1rem;font-weight:500}
.os-page .spec-h .ref{font-size:.72rem;color:var(--muted);text-align:right}
.os-page .spec table{width:100%;border-collapse:collapse}
.os-page .spec th,.os-page .spec td{text-align:left;padding:6px 0;border-bottom:1px solid var(--hairline);vertical-align:top}
.os-page .spec th{color:var(--muted);font-weight:400;width:38%}
.os-page .spec td{color:var(--heading);font-weight:500}
.os-page .spec .tot td{font-size:1rem;border-bottom:0;padding-top:10px}
.os-page .spec .lnk{font-size:.72rem;color:var(--muted);word-break:break-all;margin-top:10px}

/* compare */
.os-page .cmp-models{margin-top:28px}

/* ── responsive ── */
@media (max-width:1180px){.os-page .cfg{grid-template-columns:minmax(0,1fr)}.os-page .viz{position:relative;top:0}.os-page .rec{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:1080px){
.os-page .page{grid-template-columns:minmax(0,1fr);padding:0 20px}
.os-page .rail{position:fixed;left:0;right:0;bottom:0;top:auto;margin:0;z-index:60;grid-column:auto;grid-row:auto}
.os-page .ess{border-radius:14px 14px 0 0;border-bottom:0;box-shadow:0 -10px 30px rgba(26,31,36,.14);max-height:86vh;display:flex;flex-direction:column}
.os-page .sheet-handle{display:block;width:100%;padding:8px 0 0}
.os-page .sheet-handle::before{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--border);margin:0 auto}
.os-page .sheet-mini{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;align-items:center;padding:8px 16px 4px;text-align:left;width:100%}
.os-page .sheet-mini .m-size{font-size:.8rem;color:var(--muted);line-height:1.3}
.os-page .sheet-mini .m-price{font-size:1.25rem;font-weight:500;color:var(--heading);line-height:1.2}
.os-page .sheet-mini .m-price s{font-size:.78rem;font-weight:300;color:var(--muted);margin-left:6px}
.os-page .sheet-mini .m-more{font-size:.76rem;font-weight:500;color:var(--heading);display:flex;align-items:center;gap:4px;grid-row:span 2}
.os-page .sheet-mini .m-more svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .2s}
.os-page .ess-body{display:none;overflow:auto}
.os-page .rail.expanded .ess-body{display:block}
.os-page .rail.expanded .m-more svg{transform:rotate(180deg)}
.os-page .ess-cta{grid-template-columns:1fr 1fr;padding:10px 16px calc(12px + env(safe-area-inset-bottom));order:3}
.os-page .ess-cta .btn{min-height:48px;padding:0 10px;font-size:.86rem}
.os-page .ess-top,.os-page .pblock,.os-page .ess-facts,.os-page .ess-break,.os-page .ess-foot{padding-left:16px;padding-right:16px}
.os-page{padding-bottom:150px}
.os-page .toast{bottom:170px}
}
@media (max-width:760px){
.os-page{font-size:15px}
.os-page .sec{padding:60px 0}
.os-page .fit,.os-page .wall,.os-page .visit,.os-page .final,.os-page .track-in{grid-template-columns:minmax(0,1fr)}
.os-page .cards.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.os-page .gal{grid-template-columns:repeat(2,minmax(0,1fr))}
.os-page .gal-sub,.os-page .build-grid,.os-page .timbers,.os-page .duo,.os-page .inst,.os-page .del-grid,.os-page .crate{grid-template-columns:minmax(0,1fr)}
/* heaters two abreast on phones (Carl, 15 Oct 2026) */
.os-page .heat{gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}
.os-page .hcard .img{height:120px}.os-page .hcard .img img{max-height:104px}
.os-page .hcard .bd{padding:12px 12px 14px;gap:8px}.os-page .hcard h3{font-size:.92rem}.os-page .hcard p{font-size:.78rem}.os-page .hcard dl{font-size:.74rem;grid-template-columns:1fr;gap:0}.os-page .hcard dt{margin-top:4px}
.os-page .hcard .btn{width:100%;padding:0 8px}
.os-page .steps li:nth-child(4),.os-page .steps li:nth-child(6){display:none}
.os-page .steps li{font-size:.6rem}
.os-page .fit-form .os-custom{grid-column:1/-1;text-align:center}.os-page .fit-form .os-custom .q,.os-page .fit-form .os-custom .l{display:inline}
.os-page .crate{gap:0}
.os-page .tcard{grid-template-columns:96px 1fr}
.os-page .power,.os-page .panel-note{grid-template-columns:repeat(2,minmax(0,1fr))}
.os-page .tl{grid-template-columns:minmax(0,1fr)}
.os-page .tl li{padding:0 0 22px 30px}
.os-page .tl li::before{top:14px;bottom:0;left:6px;right:auto;width:2px;height:auto}
.os-page .tl li:last-child::before{display:none}
.os-page .tl li::after{top:2px}
.os-page .fit-form,.os-page .mgrid{grid-template-columns:1fr 1fr}
.os-page .track aside{border-left:0;padding-left:0;border-top:1px solid var(--hairline);padding-top:14px}
.os-page .visit .ph{min-height:220px}
.os-page .visit .bd,.os-page .final{padding:24px}
.os-page .final .cta-group .btn{flex:1}
.os-page .cta-group .btn,.os-page .sup .btn,.os-page .mfoot .btn{flex:1 1 calc(50% - 6px);width:auto;min-width:0;white-space:normal;line-height:1.2;padding:10px 12px}
.os-page .cta-group .btn:only-child,.os-page .sup .btn,.os-page .final .cta-group .btn{flex-basis:100%}
.os-page .sup{flex-direction:column;align-items:stretch}
.os-page .mfoot{display:flex;flex-wrap:wrap;gap:10px}
.os-page .plan{padding:10px}
.os-page .faq-a p{padding-right:4px}
.os-page .mhead,.os-page .mbody{padding-left:18px;padding-right:18px}
.os-page .modal{padding:0;align-items:flex-end}
.os-page .mbox{max-height:94vh;border-radius:14px 14px 0 0}
.os-page .tbl{font-size:.82rem}.os-page .tbl th,.os-page .tbl td{padding:10px 10px}
.os-page .day li{grid-template-columns:80px 1fr}
.os-page .wk-wrap{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media print{.os-page .rail,.os-page .modal,.os-page .toast{display:none!important}}

/* ── additions for the WordPress template (classes replace the prototype's inline colours) ── */
/* swatches: brand tokens standing in for shingle and finish colours */
/* the three shingle colours, told apart at a glance (Carl, 15 Oct 2026) */
.os-page .sw-shingle-black{background:var(--heading)}
.os-page .sw-shingle-brown{background:color-mix(in srgb,var(--sauna-text) 60%,var(--peach-text))}
.os-page .sw-shingle-grey{background:var(--muted)}
.os-page .sw-ext-natural{background:var(--peach)}
.os-page .sw-ext-black{background:var(--nav)}
/* floor plan (SVG drawn by outdoor-square.js) */
.os-page .pl-site{fill:var(--surface);stroke:var(--os-plan-dim);stroke-dasharray:6 5;stroke-width:1}
.os-page .pl-wall{fill:var(--os-paper);stroke:var(--os-plan-ink)}
.os-page .pl-bench{fill:var(--os-bench);stroke:var(--os-bench-line);stroke-width:1}
.os-page .pl-bench-lo{fill:var(--os-bench-lo);stroke:var(--os-bench-line);stroke-width:1}
.os-page .pl-heater{fill:var(--heading)}
.os-page .pl-glass{stroke:var(--glass);stroke-linecap:round}
.os-page .pl-door{fill:var(--glass)}
.os-page .pl-swing{fill:none;stroke:var(--os-plan-dim);stroke-dasharray:4 4;stroke-width:1.5}
.os-page .pl-dim{stroke:var(--os-plan-dim);stroke-width:1}
.os-page .pl-s{fill:var(--muted);font-size:11px;font-family:var(--f)}
.os-page .pl-b{fill:var(--heading);font-size:13px;font-weight:500;font-family:var(--f)}
.os-page .lg-wall{border-color:var(--os-plan-ink)}
.os-page .lg-glass{border-color:var(--glass)}
.os-page .lg-eaves{border-color:var(--os-plan-dim);border-top-style:dashed}
/* link under the 3D model to the Design Tool */
.os-page .viz-more{font-size:.84rem;margin-top:10px}
/* dark block kicker */
.os-page .visit .kick{color:var(--os-on-dark-dim)}
.os-page .visit .kick b{color:var(--os-on-dark-link)}
.os-page .visit .kick::after{background:rgba(255,255,255,.2)}
/* order-page preview: where the weekly factory photos will sit */
.os-page .wk-ph{aspect-ratio:4/3;border:1px dashed var(--border);border-radius:var(--r-lg);display:grid;place-items:center;color:var(--placeholder);font-size:.8rem;background:var(--surface)}
/* quote form error */
.os-page .qerr{color:var(--sauna-text);font-size:.84rem;margin-top:8px;min-height:1.2em}
.os-page .qerr:empty{display:none}
/* the hero's Thai line sits inside the heading block */
.os-page .hero-h .th-block{max-width:62ch}
/* gallery with fewer photos: one row, the first photo still the largest */
/* "Need a custom size or a bigger sauna?" — text links, three places */
.os-page .os-custom{font-size:.8rem;color:var(--body);margin-top:14px;line-height:1.6;text-align:center}
.os-page .os-custom .q,.os-page .os-custom .l{display:block}
.os-page .os-custom-left{text-align:left;margin-top:14px;font-size:.85rem}
.os-page .os-custom-left .q,.os-page .os-custom-left .l{display:inline}
.os-page .os-custom.viz-more{position:static;background:none;color:var(--body);padding:0;font-size:.9rem;pointer-events:auto;margin-top:16px}
.os-page .os-custom a{color:var(--accent-text);text-decoration:underline;text-underline-offset:3px}
.os-page .os-custom a:hover{color:var(--heading)}
.os-page .os-custom [lang=th]{display:block;color:var(--muted)}
.os-page .os-custom-lg{font-size:.85rem;margin-top:18px}
.os-page .opt-note.os-custom{margin:14px 0 0;text-align:center;font-size:.8rem;color:var(--body);width:100%;display:block}
/* installation */
/* One line: smaller type, tighter padding, and the sentence may not wrap until it truly cannot fit. */
.os-page .inst-banner{background:var(--nav);color:var(--os-paper);text-align:center;font-weight:600;font-size:.78rem;letter-spacing:-.01em;line-height:1.25;padding:9px 10px;border-radius:8px;margin:0 0 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:400px){.os-page .inst-banner{font-size:.72rem;padding:8px 8px}}
.os-page .inst-chips .p s{font-weight:400;opacity:.6;margin-right:4px}
.os-page .inst-chips .pick.wide{grid-column:1/-1}
.os-page .inst-tbl{margin:14px 0}
.os-page .inst-tbl th,.os-page .inst-tbl td{padding:8px 10px;font-size:.84rem}
.os-page .inst-tbl td{text-align:right}
.os-page .inst-prov label{display:block;text-align:left}

/* LIGHTBOX — every photo in the gallery, one at a time: arrows, keys, swipe */
.ry-lb{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;background:var(--os-scrim);backdrop-filter:blur(2px)}
.ry-lb[hidden]{display:none}
.ry-lb-img{display:block;margin:auto;max-width:min(84vw,1400px);max-height:82vh;width:auto;height:auto;object-fit:contain;border-radius:6px;box-shadow:0 10px 40px rgba(0,0,0,.35);user-select:none;-webkit-user-drag:none}
.ry-lb button{position:absolute;display:flex;align-items:center;justify-content:center;width:64px;height:64px;border:0;border-radius:50%;background:var(--os-paper);color:var(--heading);cursor:pointer;font:inherit;font-size:2.4rem;font-weight:300;line-height:1;padding:0 0 4px;box-shadow:0 2px 14px rgba(0,0,0,.25)}
.ry-lb button:focus-visible{outline:2px solid var(--os-paper);outline-offset:3px}
.ry-lb-x{top:calc(20px + var(--wp-admin--admin-bar--height, 0px));right:20px}
.ry-lb-p{left:20px;top:50%;transform:translateY(-50%)}
.ry-lb-n{right:20px;top:50%;transform:translateY(-50%)}
.ry-lb-c{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);color:var(--os-paper);font-size:1rem;letter-spacing:.04em}
@media (max-width:760px){.ry-lb button{width:52px;height:52px;font-size:2rem}.ry-lb-p,.ry-lb-n{top:auto;bottom:10px;transform:none}.ry-lb-img{max-width:100vw;max-height:78vh;border-radius:0}}