/* =========================================================================
   BitBest — Trading Desk
   Self-hosted fonts (no CDN: works behind Iranian filtering)
   ========================================================================= */

@font-face{font-family:Vazirmatn;src:url(fonts/vazirmatn-ar-400.woff2) format('woff2');font-weight:400;font-display:swap;unicode-range:U+0600-06FF,U+2000-206F,U+FB50-FDFF,U+FE70-FEFF}
@font-face{font-family:Vazirmatn;src:url(fonts/vazirmatn-ar-500.woff2) format('woff2');font-weight:500;font-display:swap;unicode-range:U+0600-06FF,U+2000-206F,U+FB50-FDFF,U+FE70-FEFF}
@font-face{font-family:Vazirmatn;src:url(fonts/vazirmatn-ar-700.woff2) format('woff2');font-weight:700;font-display:swap;unicode-range:U+0600-06FF,U+2000-206F,U+FB50-FDFF,U+FE70-FEFF}
@font-face{font-family:Vazirmatn;src:url(fonts/vazirmatn-ar-800.woff2) format('woff2');font-weight:800;font-display:swap;unicode-range:U+0600-06FF,U+2000-206F,U+FB50-FDFF,U+FE70-FEFF}
@font-face{font-family:Vazirmatn;src:url(fonts/vazirmatn-lat-400.woff2) format('woff2');font-weight:400;font-display:swap;unicode-range:U+0000-00FF}
@font-face{font-family:Grotesk;src:url(fonts/grotesk-500.woff2) format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:Grotesk;src:url(fonts/grotesk-700.woff2) format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:Mono;src:url(fonts/mono-400.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Mono;src:url(fonts/mono-500.woff2) format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:Mono;src:url(fonts/mono-700.woff2) format('woff2');font-weight:700;font-display:swap}

:root{
  /* palette — deep screen-black, exchange bid/ask, brass pulled from the
     character's watch and the cream midpoint of the logo candle           */
  --void:#040507;
  --pane:#0a0c11;
  --pane-2:#0d1017;
  --line:rgba(255,255,255,.072);
  --line-2:rgba(255,255,255,.15);
  --ink:#e9ebef;
  --muted:#78808f;
  --dim:#4d5462;
  --bid:#3ddc7f;
  --ask:#f0525c;
  --brass:#e8c87a;

  --fa:Vazirmatn,system-ui,sans-serif;
  --en:Grotesk,Vazirmatn,system-ui,sans-serif;
  --mono:Mono,ui-monospace,Menlo,monospace;

  --r:14px;         /* pane radius */
  --gap:10px;
  --pad:clamp(16px,1.6vw,26px);

  --px:50%; --py:40%;   /* pointer, inside the operator pane */

  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--void);color:var(--ink);
  font-family:var(--fa);font-size:15px;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
html[dir=ltr] body{font-family:var(--en);line-height:1.55}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,p,ul{margin:0}
ul{padding:0;list-style:none}
svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
img{display:block;max-width:100%}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
::selection{background:rgba(61,220,127,.22)}

:where(a,button,[tabindex]):focus-visible{
  outline:2px solid var(--brass);outline-offset:3px;border-radius:8px;
}
.skip{position:fixed;top:14px;inset-inline-start:14px;z-index:999;padding:10px 16px;
  border-radius:10px;background:var(--brass);color:#0a0c11;font-weight:700;
  transform:translateY(-180%);transition:transform .2s}
.skip:focus{transform:none}

/* ── page load veil ─────────────────────────────────────────────────────── */
.field{position:fixed;inset:0;z-index:0;width:100%;height:100%;pointer-events:none}
.shell{position:relative;z-index:1}

.veil{position:fixed;inset:0;z-index:900;background:var(--void);pointer-events:none;
  transition:opacity .5s ease}
body.ready .veil{opacity:0}

/* ── shell : the whole page is one screen ───────────────────────────────── */
.shell{
  position:relative;
  display:grid;grid-template-rows:auto minmax(0,1fr) auto;
  gap:var(--gap);
  padding:var(--gap);
  min-height:100dvh;
}

/* ── panes ──────────────────────────────────────────────────────────────── */
.pane{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(155deg,rgba(13,16,23,.8),rgba(10,12,17,.85) 62%);
  backdrop-filter:blur(2px);
}

/* the cursor lights the edge of whatever it is near */
.pane::before,.lesson::before,.rail::before{
  content:"";position:absolute;inset:0;z-index:5;border-radius:inherit;padding:1px;
  pointer-events:none;
  background:radial-gradient(240px circle at var(--mx,-999px) var(--my,-999px),
    rgba(232,200,122,.55),rgba(61,220,127,.16) 42%,transparent 70%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
          mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
/* …and warms the surface just inside it */
.pane::after,.lesson::after{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(300px circle at var(--mx,-999px) var(--my,-999px),
    rgba(232,200,122,.07),transparent 66%);
}
.pitch>*,.learn__hd,.lesson__cov,.lesson__txt{position:relative;z-index:1}
.pane__hd{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px var(--pad);border-bottom:1px solid var(--line)}
.pane__hd h2{font-size:13px;font-weight:700;letter-spacing:.01em}
html[dir=ltr] .pane__hd h2{font-family:var(--en);letter-spacing:.06em;text-transform:uppercase;font-size:11px}

.tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);
  font-size:10px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
.led{width:6px;height:6px;border-radius:50%;background:var(--bid);
  box-shadow:0 0 10px var(--bid);animation:beat 2.6s ease-in-out infinite}
.led--brass{background:var(--brass);box-shadow:0 0 10px rgba(232,200,122,.7)}
.led--wait{background:var(--dim);box-shadow:none;animation:none}
.led--off{background:var(--ask);box-shadow:0 0 8px rgba(240,82,92,.6);animation:none}
@keyframes beat{50%{opacity:.35}}

.badge{padding:3px 8px;border:1px solid rgba(232,200,122,.32);border-radius:999px;
  color:var(--brass);font-size:9px;letter-spacing:.14em;text-transform:uppercase}

/* ── top rail ───────────────────────────────────────────────────────────── */
.rail{position:relative;z-index:40;display:flex;align-items:center;gap:18px;
  padding:7px 10px;border:1px solid var(--line);border-radius:var(--r);
  background:rgba(10,12,17,.78);backdrop-filter:blur(14px);overflow:hidden}
.rail__end{display:flex;align-items:center;gap:8px}

.clock{margin-inline:auto;display:flex;align-items:baseline;gap:10px;
  font-size:10.5px;letter-spacing:.1em;color:var(--dim)}
.clock b{font-weight:500;font-size:12px;color:var(--muted);
  font-variant-numeric:tabular-nums;direction:ltr;unicode-bidi:isolate}
.mark{display:flex;align-items:center;gap:10px}
.mark img{width:34px;height:34px;border-radius:9px;object-fit:cover}
.mark__txt b{display:block;font-family:var(--en);font-weight:700;font-size:13px;letter-spacing:.24em}
.mark__txt small{display:block;margin-top:1px;font-size:9px;letter-spacing:.1em;color:var(--dim)}
.ghost{height:36px;min-width:52px;padding:0 12px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.03);
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;transition:.18s}
.ghost:hover{border-color:var(--line-2);background:rgba(255,255,255,.06)}
/* ── deck ───────────────────────────────────────────────────────────────── */
.deck{display:grid;gap:var(--gap);min-height:0}

/* ── pitch ──────────────────────────────────────────────────────────────── */
.pitch{display:flex;flex-direction:column;justify-content:space-between;gap:clamp(16px,2vh,26px);
  padding:clamp(20px,2.6vh,34px) var(--pad)}
.pitch__mid{flex:1;display:flex;flex-direction:column;justify-content:center;
  gap:clamp(14px,1.7vh,22px)}
.pitch h1{font-size:clamp(38px,min(5vw,8.4vh),74px);line-height:.98;font-weight:800;letter-spacing:-.03em}
html[dir=ltr] .pitch h1{font-family:var(--en);letter-spacing:-.045em}
.pitch h1 span{display:block}
.brass{background:linear-gradient(96deg,var(--brass),#fff 46%,var(--bid));
  -webkit-background-clip:text;background-clip:text;color:transparent;width:fit-content}
.lead{max-width:44ch;color:var(--muted);font-size:clamp(13.5px,1.05vw,15.5px);line-height:1.95}
html[dir=ltr] .lead{line-height:1.65}

.acts{display:flex;flex-wrap:wrap;gap:9px}
.cta{display:inline-flex;align-items:center;gap:11px;min-height:54px;padding:0 18px;
  border:1px solid rgba(61,220,127,.3);border-radius:12px;
  background:linear-gradient(180deg,rgba(61,220,127,.13),rgba(61,220,127,.05));
  transition:transform .2s cubic-bezier(.2,.8,.2,1),border-color .2s,box-shadow .2s}
.cta svg{width:18px;flex:none;color:var(--bid)}
.cta b{display:block;font-size:13.5px;font-weight:600}
.cta em{display:block;margin-top:1px;font-family:var(--mono);font-style:normal;
  font-size:10px;letter-spacing:.04em;color:var(--muted);direction:ltr}
.cta:hover{transform:translateY(-2px);border-color:rgba(61,220,127,.55);
  box-shadow:0 14px 34px rgba(0,0,0,.45),0 0 0 3px rgba(61,220,127,.07)}
.cta--quiet{border-color:var(--line);background:rgba(255,255,255,.032)}
.cta--quiet svg{color:var(--ask)}
.cta--quiet:hover{border-color:var(--line-2);box-shadow:0 14px 34px rgba(0,0,0,.45)}
.fine{display:flex;align-items:center;gap:12px;font-size:11px;color:var(--dim);letter-spacing:.02em}
.fine .mono{font-size:9.5px;letter-spacing:.14em}
.fine__sep{flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}

/* ── operator : the signature pane ──────────────────────────────────────── */
.opr{isolation:isolate;background:linear-gradient(155deg,rgba(13,16,23,.34),rgba(10,12,17,.5) 62%)}
.opr__bg{position:absolute;inset:0;z-index:0}
.opr__ticks{position:absolute;inset:0;width:100%;height:100%;
  stroke:rgba(255,255,255,.028);stroke-width:.25;
  mask-image:radial-gradient(70% 60% at 50% 45%,#000,transparent)}
.opr__halo{position:absolute;inset:12% 8% 22%;border-radius:50%;
  background:radial-gradient(circle,rgba(232,200,122,.14),transparent 62%);filter:blur(28px);
  transform:translate3d(var(--hx,0),var(--hy,0),0)}

.opr__fig{position:absolute;z-index:1;bottom:0;left:50%;
  transform:translateX(-50%) translate3d(var(--fx,0),var(--fy,0),0);
  width:auto;height:89%;max-width:114%;object-fit:contain;object-position:bottom center;
  transition:opacity .34s ease,filter .34s ease}
/* base layer: the figure sits in the dark … */
.opr__fig--dim{filter:brightness(.5) saturate(.6) contrast(1.03)}
/* … and the pointer is the light that finds him */
.opr__fig--lit{
  filter:brightness(1.16) saturate(1.1) drop-shadow(0 0 26px rgba(232,200,122,.2));
  -webkit-mask-image:radial-gradient(circle 30vh at var(--px) var(--py),#000 0%,rgba(0,0,0,.78) 44%,transparent 76%);
  mask-image:radial-gradient(circle 30vh at var(--px) var(--py),#000 0%,rgba(0,0,0,.78) 44%,transparent 76%);
}
.opr.is-swap .opr__fig{opacity:0;filter:blur(9px) brightness(.5)}

.opr__scrim{position:absolute;z-index:2;inset-inline:0;bottom:0;height:34%;
  background:linear-gradient(to top,var(--pane) 6%,rgba(10,12,17,.55) 48%,transparent);
  pointer-events:none}

.opr__hud{position:absolute;inset:12px;z-index:3;pointer-events:none}
.corner{position:absolute;width:14px;height:14px;border:1px solid rgba(232,200,122,.42)}
.corner--a{top:0;left:0;border-width:1px 0 0 1px}
.corner--b{top:0;right:0;border-width:1px 1px 0 0}
.corner--c{bottom:0;left:0;border-width:0 0 1px 1px}
.corner--d{bottom:0;right:0;border-width:0 1px 1px 0}

.opr__cap{position:absolute;z-index:4;bottom:14px;inset-inline-start:16px;
  display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:.2em;color:var(--muted)}

/* ── right stack ────────────────────────────────────────────────────────── */
.stack{display:grid;grid-template-rows:auto minmax(0,1fr);gap:var(--gap);min-height:0}

.state{display:flex;align-items:center;gap:7px;font-size:9.5px;letter-spacing:.12em;
  color:var(--dim);text-transform:uppercase}

.quotes{padding:6px var(--pad) 12px}
.quotes li{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:12px;
  padding:clamp(9px,1.15vh,14px) 0;border-bottom:1px solid rgba(255,255,255,.045)}
.quotes li:last-child{border-bottom:0}
.q__n{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.1em;color:var(--muted)}
.q__p{font-size:13px;font-weight:500;color:var(--ink)}
.q__d{min-width:62px;text-align:end;font-size:11px;color:var(--dim)}
.q__d.up{color:var(--bid)}
.q__d.down{color:var(--ask)}
.quotes li.flash .q__p{animation:flash .7s ease}
@keyframes flash{0%{color:var(--brass)}100%{color:var(--ink)}}


/* ── price tabs ─────────────────────────────────────────────────────────── */
.feed{display:flex;flex-direction:column;min-height:0}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:10px var(--pad) 0}
.tab{padding:8px 4px;border:1px solid transparent;border-radius:9px;
  font-size:11.5px;color:var(--dim);transition:.18s;white-space:nowrap}
.tab:hover{color:var(--muted);background:rgba(255,255,255,.035)}
.tab.is-on{color:var(--brass);border-color:rgba(232,200,122,.3);background:rgba(232,200,122,.07)}

:root{--qcols:1fr 8.6rem 3.6rem}
.qhead{display:grid;grid-template-columns:var(--qcols);gap:10px;
  margin:9px var(--pad) 0;padding:0 0 8px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:8.5px;letter-spacing:.13em;color:var(--dim);
  text-transform:uppercase}
.qhead span:nth-child(n+2){text-align:right}

.quotes{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column;
  justify-content:center;padding:0 var(--pad)}
.quotes li{flex:1;max-height:82px;display:grid;grid-template-columns:var(--qcols);
  align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.045)}
.quotes li:last-child{border-bottom:0}
.quotes.is-swap{opacity:0}
.quotes{transition:opacity .18s ease}
.q__n{font-size:12.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.q__n b{font-family:var(--mono);font-size:10px;font-weight:400;letter-spacing:.1em;
  color:var(--dim);margin-inline-start:6px}
.q__p{font-size:12.5px;font-weight:500;color:var(--ink);font-family:var(--mono);
  font-variant-numeric:tabular-nums;direction:ltr;unicode-bidi:isolate;text-align:right}
.q__d{text-align:right;font-family:var(--mono);font-size:10.5px;color:var(--dim);
  direction:ltr;unicode-bidi:isolate}
.q__d.up{color:var(--bid)}
.q__d.down{color:var(--ask)}
.q__p.flash{animation:flash .7s ease}
@keyframes flash{0%{color:var(--brass)}100%{color:var(--ink)}}
.empty{flex:none;max-height:none;display:block;padding:26px 0;text-align:center;
  font-size:12px;color:var(--dim);border:0}

.src{padding:9px var(--pad) 11px;border-top:1px solid var(--line);
  font-size:9px;letter-spacing:.12em;color:var(--dim);text-transform:uppercase}
.src a{color:var(--muted);border-bottom:1px solid var(--line);margin-inline-start:6px}
.src a:hover{color:var(--brass)}

/* ── آموزش‌ها ───────────────────────────────────────────────────────────── */
.learn{display:flex;flex-direction:column;gap:8px}
.learn__hd{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:0 4px}
.learn__hd h2{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700}
.more{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;color:var(--muted);transition:color .18s}
.more svg{width:13px}
html[dir=rtl] .more svg{transform:scaleX(-1)}
.more:hover{color:var(--brass)}

.lessons{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.lesson{display:flex;align-items:center;gap:12px;padding:10px;text-align:start;
  border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(155deg,rgba(13,16,23,.8),rgba(10,12,17,.85) 70%);
  backdrop-filter:blur(2px);position:relative;overflow:hidden;
  transition:transform .2s cubic-bezier(.2,.8,.2,1),border-color .2s}
.lesson:hover{transform:translateY(-2px);border-color:var(--line-2)}
.lesson__cov{flex:none;width:74px;aspect-ratio:16/11;overflow:hidden;border-radius:9px;
  border:1px solid var(--line);background:var(--void);display:grid;place-items:center}
.lesson__cov svg{width:100%;height:100%;stroke-width:2.4}
.lesson__cov img{width:100%;height:100%;object-fit:cover}
.lesson__txt{min-width:0}
.lesson__txt b{display:block;font-size:12.5px;font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lesson__txt em{display:block;margin-top:3px;font-style:normal;font-size:10.5px;color:var(--dim);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lesson__txt span{display:inline-block;margin-top:5px;font-family:var(--mono);font-size:8.5px;
  letter-spacing:.14em;color:var(--dim);text-transform:uppercase}

/* =========================================================================
   Layout modes
   ========================================================================= */

/* wide + tall : lock the whole thing to one screen, no scroll */
@media (min-width:1080px) and (min-height:660px){
  html,body{overflow:hidden}
  .shell{height:100dvh;min-height:0}
  .deck{grid-template-columns:1.06fr .84fr 1fr}
}

@media (min-width:1080px) and (min-height:660px) and (max-height:790px){
  :root{--gap:8px;--pad:clamp(13px,1.3vw,19px)}
  .pitch{gap:12px}
  .lead{font-size:13px;line-height:1.78}
  .cta{min-height:48px}
  .lesson{padding:8px}
  .lesson__cov{width:60px}
  .lesson__txt em{display:none}
  .src{padding:7px var(--pad) 8px}
}

/* medium desktop / tablet landscape : two columns, natural height */
@media (min-width:760px) and (max-width:1079.98px){
  .deck{grid-template-columns:1fr 1fr;grid-template-areas:"pitch opr" "feed feed"}
  .pitch{grid-area:pitch}
  .opr{grid-area:opr;min-height:400px}
  .feed{grid-area:feed}
  .quotes{display:grid;grid-template-columns:1fr 1fr;column-gap:26px}
  .lessons{grid-template-columns:repeat(2,1fr)}
}

/* phones */
@media (max-width:759.98px){
  :root{--r:13px;--gap:9px}
  .mark__txt small{display:none}
  .clock span{display:none}
  .deck{grid-template-columns:1fr}
  .pitch{padding:26px 20px 24px;gap:16px}
  .pitch h1{font-size:clamp(40px,13vw,58px)}
  .acts{display:grid}
  .opr{min-height:min(56vh,420px)}
  .opr__fig{height:100%}
  .lessons{grid-template-columns:1fr}
  .lesson__txt b,.lesson__txt em{white-space:normal}
}

@media (pointer:coarse),(max-width:1079.98px){
  /* no hovering pointer to carry the light — just show him */
  .opr__fig--lit{-webkit-mask-image:none;mask-image:none;filter:brightness(1) saturate(1)}
  .opr__fig--dim{opacity:0}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important}
  .opr__fig--lit{-webkit-mask-image:none;mask-image:none;filter:brightness(1) saturate(1)}
  .opr__fig--dim{opacity:0}
}