/* Bridge Labs: the frame around every lab (bar, home page, lab plate, share panel, footer).
   Colors come from the Bridge HQ palette. Everything here uses the bl- prefix and never styles
   bare elements such as h1 or p, which belong to the labs themselves. Labs is dark by design. */

:root{
  color-scheme:dark;
  --bl-ink:#141720;
  --bl-deep:#11141b;
  --bl-panel:#1b1f2a;
  --bl-panel-2:#222633;
  --bl-text:#f4f1ea;
  --bl-text-2:#c7c4bd;
  --bl-muted:#9295a0;
  --bl-gold:#ffac2d;
  --bl-gold-2:#ffc062;
  --bl-on-gold:#141720;
  --bl-orange:#f47a1f;
  --bl-line:rgba(255,172,45,.18);
  --bl-line-2:rgba(255,172,45,.34);
  --bl-hair:rgba(244,241,234,.09);
  --bl-grid:rgba(255,172,45,.045);
  --bl-shadow:0 1px 0 rgba(255,255,255,.03) inset,0 18px 40px -24px rgba(0,0,0,.8);
  --bl-display:"Poppins","Vazirmatn",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bl-font:"Geist","Vazirmatn",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bl-font-fa:"Vazirmatn",Tahoma,system-ui,-apple-system,"Segoe UI",sans-serif;
  --bl-mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bl-max:1200px;
  --bl-gutter:28px;
  --bl-r:10px;
  --bl-ease:cubic-bezier(.2,.7,.2,1);
}
@media (max-width:560px){:root{--bl-gutter:16px}}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;background:var(--bl-ink)}
body{
  margin:0;
  min-height:100vh;
  background-color:var(--bl-ink);
  background-image:
    radial-gradient(1200px 520px at 78% -8%,rgba(255,172,45,.10),transparent 60%),
    linear-gradient(var(--bl-grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--bl-grid) 1px,transparent 1px);
  background-size:auto,32px 32px,32px 32px;
  background-position:0 0,-1px -1px,-1px -1px;
  color:var(--bl-text);
  font-family:var(--bl-font);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
html[lang="fa"] body{font-family:var(--bl-font-fa);line-height:1.85}
::selection{background:rgba(255,172,45,.32);color:var(--bl-text)}

.bl-wrap{width:100%;max-width:calc(var(--bl-max) + 2 * var(--bl-gutter));margin-inline:auto;padding-inline:var(--bl-gutter)}
.bl-ico{width:18px;height:18px;flex:none;display:block}
html[dir="rtl"] .bl-flip{transform:scaleX(-1)}
.bl-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* skip link and focus */
.bl-skip{position:absolute;top:-120px;inset-inline-start:12px;z-index:50;padding:10px 16px;border-radius:8px;background:var(--bl-gold);color:var(--bl-on-gold);font-weight:600;text-decoration:none}
.bl-skip:focus{top:12px}
:where(.bl-bar,.bl-hero,.bl-section,.bl-about,.bl-plate,.bl-after,.bl-foot,.bl-404) :is(a,button,input):focus-visible,.bl-skip:focus-visible{outline:2px solid var(--bl-gold);outline-offset:3px;border-radius:6px}
@supports selector(:has(*)){
  .bl-stretch:focus-visible{outline:none!important}
  .bl-feature:has(.bl-stretch:focus-visible),.bl-card:has(.bl-stretch:focus-visible){outline:2px solid var(--bl-gold);outline-offset:4px}
}

/* reading progress on lab pages */
.bl-progress{position:fixed;inset-inline:0;top:0;height:2px;z-index:40;pointer-events:none}
.bl-progress i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--bl-orange),var(--bl-gold));transform-origin:0 50%;transform:scaleX(0)}
html[dir="rtl"] .bl-progress i{transform-origin:100% 50%}

/* top bar */
.bl-bar{position:relative;z-index:5;background:linear-gradient(rgba(17,20,27,.92),rgba(17,20,27,.72));border-bottom:1px solid var(--bl-hair)}
.bl-bar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.bl-brand{display:inline-flex;align-items:center;gap:11px;color:var(--bl-text);text-decoration:none;white-space:nowrap}
.bl-mark{width:34px;height:34px;flex:none;display:block;border-radius:50%;box-shadow:0 0 0 1px rgba(255,172,45,.25)}
.bl-word{font-family:var(--bl-display);font-weight:600;font-size:19px;letter-spacing:-.02em;line-height:1;direction:ltr}
.bl-word b{font-weight:600;color:var(--bl-gold)}
.bl-nav{display:flex;align-items:center;gap:6px}
.bl-nav-link{display:inline-flex;align-items:center;min-height:38px;padding:0 12px;border-radius:999px;color:var(--bl-text-2);text-decoration:none;font-size:15px;font-weight:500}
.bl-nav-link:hover{color:var(--bl-text);background:rgba(244,241,234,.05)}
.bl-lang{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 14px;border:1px solid var(--bl-line);border-radius:999px;color:var(--bl-text);text-decoration:none;font-size:15px;font-weight:500;line-height:1;transition:border-color .2s,background-color .2s}
.bl-lang:hover{border-color:var(--bl-gold);background:rgba(255,172,45,.06)}
.bl-lang:lang(fa){font-family:var(--bl-font-fa)}
.bl-lang:lang(en){font-family:var(--bl-font)}
@media (max-width:560px){.bl-nav-link{display:none}.bl-word{font-size:17px}}

/* small uppercase labels (Persian drops the tracking and the uppercase: it would break joined letters) */
.bl-label{font-family:var(--bl-mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--bl-muted)}
html[lang="fa"] .bl-label{font-family:var(--bl-font-fa);font-size:13.5px;font-weight:600;letter-spacing:0;text-transform:none}

/* home: hero */
.bl-hero{padding-top:clamp(44px,8vw,96px)}
.bl-hero-text{display:grid;gap:22px;justify-items:start}
.bl-kicker{margin:0;display:inline-flex;align-items:center;gap:12px;color:var(--bl-gold)}
.bl-live{position:relative;width:9px;height:9px;border-radius:50%;background:var(--bl-orange);flex:none}
.bl-live::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:1px solid var(--bl-orange);opacity:0;animation:bl-ping 2.4s var(--bl-ease) infinite}
@keyframes bl-ping{0%{transform:scale(.4);opacity:.9}80%,100%{transform:scale(1.5);opacity:0}}
.bl-title{margin:0;padding-bottom:.06em;font-family:var(--bl-display);font-weight:700;font-size:clamp(58px,12.4vw,172px);line-height:.9;letter-spacing:-.05em;color:var(--bl-text);text-wrap:balance}
.bl-title b{font-weight:700;color:var(--bl-gold)}
.bl-dot{display:inline-block;width:.14em;height:.14em;margin-inline-start:.04em;border-radius:.02em;background:var(--bl-orange)}
.bl-lede{margin:0;max-width:36ch;font-size:clamp(19px,2.2vw,23px);line-height:1.5;color:var(--bl-text-2)}
html[lang="fa"] .bl-lede{max-width:40ch;line-height:1.9}
.bl-cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:6px}
.bl-facts{margin:0;display:flex;flex-wrap:wrap;gap:6px 18px;color:var(--bl-muted);font-size:14.5px}
.bl-facts span{display:inline-flex;align-items:center;gap:8px}
.bl-facts span::before{content:"";width:5px;height:5px;border-radius:1px;background:var(--bl-gold);opacity:.8}

/* home: the bridge stage */
.bl-stage{position:relative;height:clamp(230px,30vw,380px);margin-top:clamp(18px,4vw,40px);touch-action:pan-y;user-select:none;-webkit-user-select:none}
.bl-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab}
.bl-stage.is-grabbing canvas{cursor:grabbing}
.bl-stage-fallback{position:absolute;inset:0;width:100%;height:100%}
.bl-stage-label{position:absolute;bottom:14px;color:var(--bl-gold);opacity:.75}
.bl-stage-label.is-start{inset-inline-start:var(--bl-gutter)}
.bl-stage-label.is-end{inset-inline-end:var(--bl-gutter)}
.bl-hint{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;border:1px solid var(--bl-line);background:rgba(17,20,27,.8);color:var(--bl-text-2);font-size:13px;white-space:nowrap;transition:opacity .6s var(--bl-ease)}
.bl-hint .bl-ico{width:15px;height:15px;color:var(--bl-gold)}
.bl-stage.is-touched .bl-hint{opacity:0}
@media (max-width:560px){.bl-stage-label{display:none}}

/* section headers */
.bl-section{padding-block:clamp(40px,6vw,72px) 8px}
.bl-head{display:flex;align-items:center;gap:16px;margin:0 0 22px}
.bl-head::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--bl-line-2),transparent)}
html[dir="rtl"] .bl-head::after{background:linear-gradient(270deg,var(--bl-line-2),transparent)}

/* number tag */
.bl-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:6px;background:var(--bl-gold);color:var(--bl-on-gold);font-family:var(--bl-mono);font-size:12px;font-weight:500;letter-spacing:.08em;line-height:1.2}
html[lang="fa"] .bl-tag{font-family:var(--bl-font-fa);font-size:13px;font-weight:700;letter-spacing:0;padding:3px 10px}

/* buttons */
.bl-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border:1px solid var(--bl-gold);border-radius:999px;background:var(--bl-gold);color:var(--bl-on-gold);font:inherit;font-size:15.5px;font-weight:600;line-height:1.2;text-decoration:none;cursor:pointer;transition:background-color .2s,border-color .2s,transform .2s var(--bl-ease)}
.bl-btn:hover{background:var(--bl-gold-2);border-color:var(--bl-gold-2)}
.bl-btn:active{transform:translateY(1px)}
.bl-btn .bl-ico{transition:transform .25s var(--bl-ease)}
.bl-btn:hover .bl-ico.bl-go{transform:translateX(3px)}
html[dir="rtl"] .bl-btn:hover .bl-ico.bl-go{transform:scaleX(-1) translateX(3px)}
.bl-btn-ghost{background:transparent;color:var(--bl-text);border-color:var(--bl-line-2)}
.bl-btn-ghost:hover{background:rgba(255,172,45,.08);border-color:var(--bl-gold)}
.bl-btn-sm{min-height:40px;padding:0 16px;font-size:14.5px}
.bl-cta{pointer-events:none}

/* feature card (latest lab) */
.bl-feature{position:relative;display:grid;background:linear-gradient(180deg,rgba(255,172,45,.05),transparent 40%),var(--bl-panel);border:1px solid var(--bl-line);border-radius:18px;overflow:hidden;box-shadow:var(--bl-shadow);transition:border-color .25s,transform .25s var(--bl-ease)}
.bl-feature:hover{border-color:var(--bl-line-2);transform:translateY(-3px)}
.bl-feature-media{position:relative;margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--bl-deep)}
.bl-feature-media img,.bl-card-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--bl-ease)}
.bl-feature:hover .bl-feature-media img,.bl-card:hover .bl-card-media img{transform:scale(1.035)}
.bl-feature-media .bl-tag,.bl-card-media .bl-tag{position:absolute;top:16px;inset-inline-start:16px;z-index:1}
.bl-corners::before,.bl-corners::after{content:"";position:absolute;width:22px;height:22px;z-index:1;pointer-events:none;border-color:var(--bl-gold);border-style:solid;opacity:.85}
.bl-corners::before{top:12px;inset-inline-end:12px;border-width:1.5px 1.5px 0 0}
.bl-corners::after{bottom:12px;inset-inline-start:12px;border-width:0 0 1.5px 1.5px}
html[dir="rtl"] .bl-corners::before{border-width:1.5px 0 0 1.5px}
html[dir="rtl"] .bl-corners::after{border-width:0 1.5px 1.5px 0}
.bl-feature-body{padding:clamp(22px,3.2vw,40px);display:flex;flex-direction:column;gap:16px;align-items:flex-start;min-width:0}
@media (min-width:900px){
  .bl-feature{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
  .bl-feature-media{aspect-ratio:auto;min-height:380px}
}
.bl-meta{margin:0;display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px}
.bl-new{display:inline-flex;align-items:center;gap:8px;color:var(--bl-orange)}
.bl-new::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px rgba(244,122,31,.18)}
.bl-feature-title{margin:0;font-family:var(--bl-display);font-weight:600;font-size:clamp(30px,3.4vw,44px);line-height:1.08;letter-spacing:-.03em;text-wrap:balance}
html[lang="fa"] .bl-feature-title{font-family:var(--bl-font-fa);font-weight:800;letter-spacing:0;line-height:1.45}
.bl-feature-title a,.bl-card-title a{color:inherit;text-decoration:none}
.bl-stretch::after{content:"";position:absolute;inset:0;z-index:2}
.bl-feature-text{margin:0;color:var(--bl-text-2);font-size:17px;max-width:46ch}
.bl-topics{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.bl-topics li{padding:5px 11px;border-radius:999px;border:1px solid var(--bl-hair);background:rgba(244,241,234,.04);color:var(--bl-text-2);font-size:13px;line-height:1.3}
.bl-feature-foot{margin-top:auto;padding-top:6px;width:100%;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.bl-mins{display:inline-flex;align-items:center;gap:8px;color:var(--bl-muted);font-size:14.5px}
.bl-mins .bl-ico{width:16px;height:16px;color:var(--bl-gold)}
.bl-feature:hover .bl-cta{background:var(--bl-gold-2);border-color:var(--bl-gold-2)}
.bl-feature:hover .bl-cta .bl-go{transform:translateX(3px)}
html[dir="rtl"] .bl-feature:hover .bl-cta .bl-go{transform:scaleX(-1) translateX(3px)}

/* grid of labs */
.bl-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.bl-card{position:relative;display:flex;flex-direction:column;background:var(--bl-panel);border:1px solid var(--bl-hair);border-radius:14px;overflow:hidden;transition:border-color .25s,transform .25s var(--bl-ease)}
.bl-card:hover{border-color:var(--bl-line-2);transform:translateY(-3px)}
.bl-card-media{position:relative;margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--bl-deep)}
.bl-card-body{flex:1;display:flex;flex-direction:column;gap:8px;padding:18px 20px 20px}
.bl-card-title{margin:0;font-family:var(--bl-display);font-size:21px;font-weight:600;line-height:1.25;letter-spacing:-.02em}
html[lang="fa"] .bl-card-title{font-family:var(--bl-font-fa);font-weight:800;letter-spacing:0;line-height:1.5}
.bl-card-text{margin:0;color:var(--bl-text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bl-card-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--bl-hair)}

/* topic filter and paging (appear once there are enough labs) */
.bl-filter{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 20px}
.bl-chip{min-height:36px;padding:0 15px;border:1px solid var(--bl-hair);border-radius:999px;background:rgba(244,241,234,.03);color:var(--bl-text-2);font:inherit;font-size:14px;cursor:pointer;transition:border-color .2s,background-color .2s,color .2s}
.bl-chip:hover{border-color:var(--bl-line-2);color:var(--bl-text)}
.bl-chip[aria-pressed="true"]{background:var(--bl-gold);border-color:var(--bl-gold);color:var(--bl-on-gold);font-weight:600}
.bl-more{display:flex;justify-content:center;margin-top:26px}

/* home: about */
.bl-about{padding-block:clamp(56px,8vw,96px) clamp(56px,8vw,88px);display:grid;gap:30px}
@media (min-width:900px){.bl-about{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:64px;align-items:start}}
.bl-about-title{margin:10px 0 14px;font-family:var(--bl-display);font-size:clamp(28px,3.4vw,40px);font-weight:600;line-height:1.12;letter-spacing:-.03em;text-wrap:balance}
html[lang="fa"] .bl-about-title{font-family:var(--bl-font-fa);font-weight:800;letter-spacing:0;line-height:1.5}
.bl-about-text{margin:0;max-width:48ch;color:var(--bl-text-2);font-size:17px}
.bl-principles{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.bl-principles li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:3px 16px;align-items:start;padding:18px 20px;background:var(--bl-panel);border:1px solid var(--bl-hair);border-radius:14px}
.bl-principles .bl-pico{grid-row:span 2;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(255,172,45,.1);color:var(--bl-gold)}
.bl-principles .bl-pico .bl-ico{width:21px;height:21px}
.bl-principles strong{font-size:16.5px;font-weight:600}
.bl-principles span{color:var(--bl-text-2);font-size:15px}

/* lab page: plate above the exhibit */
.bl-plate{background:var(--bl-deep);border-block:1px solid var(--bl-hair)}
.bl-plate-in{display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;min-height:54px;padding-block:10px}
.bl-crumb{display:inline-flex;align-items:center;gap:10px;color:var(--bl-text-2);text-decoration:none}
.bl-crumb:hover{color:var(--bl-gold)}
.bl-crumb .bl-ico{width:15px;height:15px}
.bl-plate-item{display:inline-flex;align-items:center;gap:8px}
.bl-plate-item .bl-ico{width:15px;height:15px;color:var(--bl-gold)}
.bl-plate-sep{width:1px;height:18px;background:var(--bl-hair)}
@media (max-width:560px){.bl-plate-sep{display:none}}

/* lab page: the exhibit (the lab's own styles take over inside) */
.bl-exhibit:focus{outline:none}

/* lab page: after the exhibit */
.bl-after{padding-block:clamp(20px,3vw,36px) clamp(48px,7vw,80px)}
.bl-share{position:relative;display:grid;gap:18px;padding:clamp(24px,3.4vw,40px);background:radial-gradient(600px 240px at 90% 0%,rgba(255,172,45,.12),transparent 70%),var(--bl-panel);border:1px solid var(--bl-line);border-radius:18px;overflow:hidden}
@media (min-width:900px){.bl-share{grid-template-columns:minmax(0,1fr) auto;align-items:center}}
.bl-share-title{margin:0 0 6px;font-family:var(--bl-display);font-size:clamp(26px,3vw,36px);font-weight:600;line-height:1.15;letter-spacing:-.03em;text-wrap:balance}
html[lang="fa"] .bl-share-title{font-family:var(--bl-font-fa);font-weight:800;letter-spacing:0;line-height:1.5}
.bl-share-text{margin:0;color:var(--bl-text-2);max-width:46ch}
.bl-share-actions{display:grid;gap:12px;justify-items:start}
@media (min-width:900px){.bl-share-actions{justify-items:end}}
.bl-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.bl-social{display:flex;flex-wrap:wrap;gap:8px}
.bl-social a{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--bl-hair);color:var(--bl-text-2);transition:border-color .2s,color .2s,background-color .2s}
.bl-social a:hover{border-color:var(--bl-gold);color:var(--bl-gold);background:rgba(255,172,45,.06)}
.bl-social .bl-ico{width:18px;height:18px}
.bl-status{margin:0;min-height:1.5em;font-size:14px;font-weight:600;color:var(--bl-gold)}
.bl-copy{width:min(100%,440px);padding:11px 14px;border:1px solid var(--bl-line);border-radius:10px;background:var(--bl-deep);color:var(--bl-text);font:inherit;font-size:14px;direction:ltr}
.bl-related{margin-top:clamp(40px,6vw,64px)}
.bl-soon{margin:28px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;color:var(--bl-muted);font-size:14.5px}
.bl-soon a{color:var(--bl-gold);text-decoration:none;border-bottom:1px solid var(--bl-line-2)}
.bl-soon a:hover{border-color:var(--bl-gold)}

/* 404 */
.bl-404{min-height:62vh;padding-block:clamp(48px,10vw,110px);display:grid;gap:20px;align-content:start;justify-items:start}
.bl-404-art{width:min(100%,560px);height:auto;color:var(--bl-gold)}
.bl-404-title{margin:0;font-family:var(--bl-display);font-size:clamp(34px,6vw,60px);font-weight:700;line-height:1.05;letter-spacing:-.04em}
html[lang="fa"] .bl-404-title{font-family:var(--bl-font-fa);font-weight:800;letter-spacing:0;line-height:1.4}
.bl-404-text{margin:0;max-width:44ch;color:var(--bl-text-2);font-size:18px}

/* footer */
.bl-foot{background:var(--bl-deep);border-top:1px solid var(--bl-hair);padding-block:36px 44px;color:var(--bl-muted);font-size:14px}
.bl-foot-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 28px;padding-bottom:22px;margin-bottom:18px;border-bottom:1px solid var(--bl-hair)}
.bl-foot-brand{display:grid;gap:6px}
.bl-foot-brand .bl-mark{width:30px;height:30px}
.bl-foot-brand .bl-word{font-size:17px}
.bl-foot-tag{margin:0;color:var(--bl-muted);font-size:14px}
.bl-foot-nav{display:flex;flex-wrap:wrap;gap:8px 22px}
.bl-foot-nav a{color:var(--bl-text-2);text-decoration:none}
.bl-foot-nav a:hover{color:var(--bl-gold)}
.bl-legal{margin:0 0 4px;max-width:90ch;font-size:13px;line-height:1.7}
.bl-legal a{color:inherit}

@media (prefers-reduced-motion: reduce){
  .bl-live::after{animation:none}
  .bl-feature,.bl-card,.bl-btn,.bl-lang,.bl-feature-media img,.bl-card-media img,.bl-hint{transition:none}
  .bl-feature:hover,.bl-card:hover{transform:none}
  .bl-feature:hover .bl-feature-media img,.bl-card:hover .bl-card-media img{transform:none}
}

/* home: the approved scene (drawn by labs.js; source-originals/advisory-sketch-fragment.html).
   The stage and bar keep the sample's own inline styles; these rules are the host page around it. */
.bl-sketch{max-width:704px;margin:24px auto 0;padding:0 12px}
/* larger screens (class set by labs.js once the scene runs): the section grows smoothly from 704 px at 1024 px
   wide to 1384 px, and labs.js shows the 680 px scene and its controls at one uniform scale inside it (at most 2x) */
.bl-sketch.bl-sk-fluid{max-width:clamp(704px,calc(75vw - 64px),1384px)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.bl-sketch :is(a,button,input):focus-visible{outline:2px solid var(--bl-gold);outline-offset:2px}
.bl-sk-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--bl-line-2);border-radius:8px;background:transparent;color:var(--bl-text);font:inherit;font-size:14px;line-height:1.4;text-decoration:none;cursor:pointer}
.bl-sk-btn:hover{border-color:var(--bl-gold)}
.bl-sk-btn .ti{display:inline-block;width:16px;height:16px;background:currentColor;-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}
.ti-volume{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 8a5 5 0 0 1 0 8'/%3E%3Cpath d='M17.7 5a9 9 0 0 1 0 14'/%3E%3Cpath d='M6 15h-2a1 1 0 0 1 -1 -1v-4a1 1 0 0 1 1 -1h2l3.5 -4.5a.8 .8 0 0 1 1.5 .5v14a.8 .8 0 0 1 -1.5 .5l-3.5 -4.5'/%3E%3C/svg%3E")}
.ti-volume-off{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 8a5 5 0 0 1 1.912 4.934m-1.377 2.602a5 5 0 0 1 -.535 .464'/%3E%3Cpath d='M17.7 5a9 9 0 0 1 2.362 11.086m-1.676 2.299a9 9 0 0 1 -.686 .615'/%3E%3Cpath d='M9.069 5.054l.431 -.554a.8 .8 0 0 1 1.5 .5v2m0 4v8a.8 .8 0 0 1 -1.5 .5l-3.5 -4.5h-2a1 1 0 0 1 -1 -1v-4a1 1 0 0 1 1 -1h2l1.294 -1.664'/%3E%3Cpath d='M3 3l18 18'/%3E%3C/svg%3E")}
.ti-refresh{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 11a8.1 8.1 0 0 0 -15.5 -2m-.5 -4v4h4'/%3E%3Cpath d='M4 13a8.1 8.1 0 0 0 15.5 2m.5 4v-4h-4'/%3E%3C/svg%3E")}
/* with scripts: the canvas is the picture; the HTML stays for screen readers and the card link sits over the drawn card */
html:not(.bl-js) #bl-cv{display:none!important}
.bl-js .bl-sk-flat>:not(.bl-sk-card){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.bl-js .bl-sk-card{position:absolute;left:24px;top:394px;z-index:1;display:block;overflow:hidden;color:transparent;background:transparent;border:0;text-decoration:none}
.bl-js .bl-sk-card *{color:transparent}
/* without scripts: a still version of the same scene */
html:not(.bl-js) .bl-sk-flat{display:grid;justify-items:center;gap:14px;padding:44px 20px 28px;text-align:center}
.bl-sk-title{margin:0;font-family:"Poppins",sans-serif;font-size:46px;font-weight:700;line-height:1;letter-spacing:0;color:#f4f1ea}
.bl-sk-title b{color:#ffac2d;font-weight:700}
.bl-sk-dot{display:inline-block;width:.19em;height:.19em;margin-left:.06em;border-radius:50%;background:#f47a1f}
.bl-sk-lede{margin:0;color:#c7c4bd;font-size:17px}
.bl-sk-still{width:100%;height:auto}
.bl-sk-words{margin:-8px 0 0;width:100%;display:flex;justify-content:space-between;color:#c7c4bd;font-family:"Poppins",sans-serif;font-size:15px}
html:not(.bl-js) .bl-sk-card{display:grid;gap:8px;width:100%;padding:20px;background:#1b1f2a;color:#f4f1ea;text-align:start;text-decoration:none;border:2px solid transparent;border-image:linear-gradient(#ffac2d,#ffac2d) 1}
.bl-sk-meta{color:rgba(255,172,45,.85);font-family:"Geist Mono",monospace;font-size:11px;letter-spacing:1.2px}
html[lang="fa"] .bl-sk-meta{font-family:"Vazirmatn",sans-serif;letter-spacing:0}
.bl-sk-meta em{font-style:normal;color:#f47a1f}
.bl-sk-ctitle{font-family:"Poppins","Vazirmatn",sans-serif;font-size:20px;font-weight:600}
.bl-sk-tag{color:#c7c4bd;font-size:14px}
.bl-sk-next{margin:0;width:100%;padding:12px;border:1px dashed rgba(255,172,45,.3);color:#9295a0;font-family:"Geist Mono","Vazirmatn",monospace;font-size:11px;letter-spacing:1.2px}
/* the home page sits on the sample's plain ink, without the site grid and glow */
body.bl-home{background-image:none}