:root{
  --black:#050807;
  --ink:#eef0e3;
  --ash:#a8b0a6;
  --line:#1a221b;
  --grid:#ffffff12;
  --lime:#9dff58;
  --orange:#ff7454;
  --sky:#9ac7ff;
  --danger:#ff5470;
  --max:1420px;
  --mono: ui-monospace,SFMono-Regular,Consolas,monospace;
  --sans: "Inter", "Segoe UI", Arial, sans-serif;
  --header:76px;
  --radius:2px;
  --rail:11px;
  font-synthesis:none;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--black);
  color:var(--ink);
  font-family:var(--sans);
  overflow-x:hidden;
  line-height:1.45;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.35;
}
#trace-canvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0;opacity:.3}
.copy.fa{display:none}
body[data-lang="fa"]{direction:rtl;font-family:Tahoma,Arial,sans-serif}
body[data-lang="fa"] .copy.en{display:none}
body[data-lang="fa"] .copy.fa{display:block}
.skip-link{position:fixed;left:20px;top:-100px;background:var(--lime);color:var(--black);padding:10px 14px;z-index:99;opacity:0;transition:.22s}
.skip-link:focus{top:10px;opacity:1}
button,a{font:inherit;color:inherit}
button{cursor:pointer}
.site-header{
  position:sticky;
  top:0;
  z-index:30;
  height:var(--header);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  background:#050807d8;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 24px;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);letter-spacing:.07em;font-weight:700;white-space:nowrap}
.brand img{width:30px;height:30px}
.header-meta{display:flex;align-items:center;gap:18px;font:11px/1 var(--mono);color:var(--sky)}
.system-status{display:flex;align-items:center;gap:8px}
.system-status i{display:block;width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 18px var(--lime)}
.language-toggle{background:none;border:1px solid var(--line);color:var(--ash);padding:8px 10px}
.language-toggle b{color:var(--orange);margin:0 5px}
.quick-links{display:flex;flex-wrap:wrap;gap:10px}
.quick-links a{color:var(--ash);text-decoration:none;border:1px solid #1c2c24;padding:6px 10px;display:inline-block}
.quick-links a:hover{border-color:var(--lime);color:var(--lime)}

main{position:relative;z-index:2}
.hero{
  max-width:var(--max);
  margin:0 auto;
  padding:86px 24px 58px;
  display:grid;
  grid-template-columns:minmax(280px,1fr) minmax(420px,1fr);
  gap:46px;
  align-items:start;
}
.hero-copy{padding-top:24px}
.eyebrow{display:flex;align-items:center;gap:10px;font:11px var(--mono);color:var(--sky);margin:0 0 18px;letter-spacing:.14em}
.signal-dot{width:7px;height:7px;background:var(--lime);border-radius:50%;display:inline-block;box-shadow:0 0 0 4px #9dff5836}
h1{font-size:clamp(56px,5.7vw,94px);line-height:.92;letter-spacing:-.06em;margin:0 0 18px}
h1 em{font-style:normal;color:var(--lime)}
.hero-deck{max-width:640px;color:var(--ash);margin:0 0 26px;font-size:clamp(16px,1.9vw,20px)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.action{height:50px;padding:0 18px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:space-between;gap:20px;text-decoration:none;min-width:230px;backdrop-filter:blur(6px)}
.action.primary{background:var(--lime);color:var(--black);border-color:var(--lime)}
.action.secondary{background:transparent;color:var(--ink)}
.action:hover,.action:focus-visible{transform:translateY(-2px)}

.state-capsule{
  position:relative;
  background:linear-gradient(138deg,#0a0e0d,#0a0b0c);
  border:1px solid var(--line);
  padding:22px;
  display:grid;
  gap:14px;
  clip-path:polygon(0 0, 100% 0, 98% 100%, 0 100%);
  min-height:560px;
  box-shadow:0 30px 100px #000b;
}
.state-capsule > header{display:flex;justify-content:space-between;align-items:center;color:var(--sky);font:9px var(--mono);letter-spacing:.12em}
.scope-stack{display:grid;gap:9px}
.scope-rail{display:grid;grid-template-columns:30px 1fr 1fr;align-items:center;padding:11px 10px;border:1px solid var(--line);background:#0b1110;cursor:pointer;text-align:left}
.scope-rail span{color:var(--orange);font:10px var(--mono)}
.scope-rail b{font-size:13px;color:var(--ink);letter-spacing:.05em}
.scope-rail small{font:9px var(--mono);color:var(--ash);justify-self:end}
.scope-rail.active{border-color:var(--lime);background:#8fff4f12;box-shadow:0 0 0 1px #9dff5834}
.resolver-row{display:grid;grid-template-columns:1fr 26px 1fr;align-items:center}
.runtime-chip{padding:16px;border:1px solid var(--line);background:#090f0e}
.runtime-chip b{display:block;margin-top:5px;font-family:var(--mono);font-size:21px;word-break:break-all;color:var(--ink)}
.runtime-chip span{font-size:10px;color:var(--orange);font-family:var(--mono);letter-spacing:.1em}
.runtime-chip.source{border-color:var(--sky)}
.runtime-chip.target{border-color:var(--orange)}
.resolver-stroke{justify-self:center;position:relative;height:34px;align-self:center;width:1px;background:linear-gradient(to bottom,transparent,var(--lime),transparent)}
.fingerprint-line{display:grid;gap:8px;padding:12px;border-left:2px solid var(--lime);background:#080d0c;grid-template-columns:auto 1fr auto}
.fingerprint-line span{font:9px var(--mono);color:var(--ash)}
.fingerprint-line code{font:12px var(--mono);color:var(--ink)}
.fingerprint-line strong{display:flex;align-items:center;gap:7px;color:var(--lime);font:9px var(--mono)}
.fingerprint-line strong i{width:7px;height:7px;border-radius:50%;background:var(--lime)}
.scope-readout{border:1px solid var(--line);padding:14px 12px;background:#070b0a}
.scope-readout span{font:9px var(--mono);color:var(--lime);margin-bottom:8px;display:block}
.scope-readout p{margin:0;color:var(--ash);font-size:14px}

.evidence-strip{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);padding:0 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.evidence-strip article{padding:20px 16px;border-right:1px solid var(--line);min-height:132px}
.evidence-strip article:last-child{border-right:none}
.evidence-strip span{display:block;color:var(--orange);font:11px var(--mono);letter-spacing:.11em}
.evidence-strip b{font-size:42px;color:var(--ink);font-weight:500}
.evidence-strip sup{font:10px var(--mono);color:var(--lime)}

.trio-block{max-width:var(--max);margin:0 auto;padding:64px 24px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.trio-card{padding:24px;border:1px solid var(--line);min-height:220px;background:linear-gradient(180deg,#0b0f0e,#090b0c);display:grid;grid-template-rows:auto auto 1fr;gap:14px}
.trio-card span{font:9px var(--mono);color:var(--orange)}
.trio-card h2{margin:0;font-size:31px;line-height:.96;max-width:16ch}
.trio-card p{margin:0;color:var(--ash)}

.protocol-band{max-width:var(--max);margin:30px auto 0;padding:64px 24px;display:grid;gap:22px;border-top:1px solid var(--line)}
.protocol-head h2{margin:0 0 6px;font-size:clamp(32px,4.5vw,66px);line-height:1.02}
.protocol-head h2 span{display:block;color:var(--sky);font-size:.75em}
.protocol-map{display:grid;grid-template-columns:repeat(4,1fr);background:var(--line)}
.protocol-map div{display:grid;padding:20px 16px;gap:7px;background:var(--black);border-right:1px solid var(--line)}
.protocol-map div:last-child{border-right:none}
.protocol-map span{font-size:13px}
.protocol-map small{color:var(--ash);font-size:11px}

.completion-receipt{border:1px solid var(--line);background:#0a0f0e;padding:22px;display:grid;gap:12px}
.completion-receipt header{display:flex;justify-content:space-between;border-bottom:1px dashed #243232;padding-bottom:12px;font:11px var(--mono)}
.completion-receipt div{display:grid;grid-template-columns:115px 1fr auto;align-items:center;gap:12px}
.completion-receipt code{font:12px var(--mono);color:var(--ink)}
.completion-receipt span{color:var(--orange);font:10px var(--mono)}
.completion-receipt b{font:10px var(--mono);padding:4px 10px}
.completion-receipt b.ok{color:#9dff58;background:#9dff5812;border:1px solid #9dff5838}
.completion-receipt b.warn{color:var(--danger);background:#ff547012;border:1px solid #ff547030}

.access-call{max-width:var(--max);margin:60px auto 0;padding:0 24px 60px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:end}
.access-call p{margin:0;color:var(--ash);font-size:17px;max-width:70ch}
.manifest-launch{border:1px solid var(--line);background:var(--lime);color:var(--black);height:120px;padding:24px;min-width:280px;font:11px var(--mono);display:flex;align-items:center;justify-content:space-between;letter-spacing:.08em}
.manifest-launch i{font-size:22px}

footer{max-width:var(--max);margin:0 auto;padding:0 24px 44px;border-top:1px solid var(--line);height:84px;display:flex;align-items:center;justify-content:space-between;color:var(--ash);font:10px var(--mono)}
footer div{display:flex;align-items:center;gap:10px}
footer img{width:26px;height:26px}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.footer-links a{color:var(--sky);text-decoration:none}
.footer-links a:hover{color:var(--lime)}

/* Standalone document pages */
.doc-main{max-width:var(--max);margin:0 auto;padding:54px 24px 72px;position:relative;z-index:2;display:grid;gap:20px}
.doc-panel{padding:24px;border:1px solid var(--line);background:#090f0e;display:grid;gap:14px}
.doc-panel h1{margin:0;font-size:clamp(34px,4.3vw,58px);line-height:1.02}
.doc-panel p{margin:0;color:var(--ash);font-size:17px}
.doc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.doc-card{padding:18px;border:1px solid var(--line);background:linear-gradient(180deg,#0b0f0e,#090b0c);display:grid;gap:10px}
.doc-card h2{margin:0;color:var(--lime);font-size:30px;line-height:1.05}
.doc-card h3{margin:0;color:var(--sky);font-size:20px}
.doc-card p{font-size:15px;line-height:1.65}
.doc-code{background:#080d0d;border:1px solid var(--line);padding:16px;overflow:auto}
.doc-code code{white-space:pre-wrap;display:block;font:12px/1.6 var(--mono);color:var(--ink)}
.doc-form{display:grid;gap:10px}
.doc-form label{display:grid;gap:6px;font:10px var(--mono);color:var(--sky)}
.doc-form input,.doc-form textarea,.doc-form select{background:transparent;border:1px solid var(--line);padding:10px;color:var(--ink);font:14px var(--sans)}
.doc-form button{height:46px;border:1px solid var(--line);background:var(--lime);color:var(--black);font:9px var(--mono)}
.doc-form button:hover{filter:brightness(1.04)}
.doc-cta{display:flex;flex-wrap:wrap;gap:10px}
.doc-cta a,.doc-cta button{height:42px;padding:0 14px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;gap:10px;min-width:180px}
.doc-cta a{background:#0a0f0e;text-decoration:none}
.doc-cta a:hover{border-color:var(--lime)}

dialog{border:1px solid var(--lime);padding:0;background:var(--black);color:var(--ink);max-width:1100px;width:calc(100% - 40px)}
dialog::backdrop{background:#0009}
.manifest-shell{padding:24px}
.manifest-shell header{display:flex;justify-content:space-between;align-items:start;gap:12px;border-bottom:1px solid var(--line);padding-bottom:18px}
.manifest-shell h2{margin:8px 0 0}
.dialog-close{background:transparent;border:1px solid var(--line);width:40px;height:40px}
.manifest-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);margin-top:20px;border:1px solid var(--line)}
fieldset{border:0;margin:0;padding:18px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
legend{display:grid;grid-template-columns:48px 1fr;align-items:center;gap:11px;border:0;padding:0;width:100%;margin-bottom:12px;color:var(--ash);font:9px var(--mono)}
fieldset button{background:transparent;border:1px solid var(--line);padding:9px 11px;font:9px var(--mono)}
fieldset button.selected{background:var(--lime);color:var(--black);border-color:var(--lime)}
.manifest-output{margin-top:18px;background:#080d0d;border-left:2px solid var(--lime);padding:14px}
.manifest-output pre{margin:0;font:12px/1.7 var(--mono);white-space:pre-wrap}
.contact-line{display:grid;grid-template-columns:150px 1fr;align-items:center;margin-top:14px;color:var(--ash);font:9px var(--mono)}
.contact-line input{background:transparent;border:0;border-bottom:1px dashed var(--line);padding:10px 6px 8px;color:var(--ink)}
.manifest-actions{margin-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.manifest-actions button{height:46px;border:1px solid var(--line);background:transparent}
#copy-manifest{background:var(--lime);color:var(--black);border-color:var(--lime)}
.submit-disabled{color:var(--ash);cursor:not-allowed}

@media (max-width:1100px){
  .hero{grid-template-columns:1fr;gap:24px;padding-top:46px}
  .state-capsule{min-height:500px}
  .trio-block{grid-template-columns:1fr}
  .protocol-map{grid-template-columns:1fr 1fr}
  .evidence-strip{grid-template-columns:1fr 1fr}
  .access-call{grid-template-columns:1fr}
  .manifest-grid{grid-template-columns:1fr}
  .contact-line{grid-template-columns:1fr}
  .doc-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .site-header{padding:0 14px}
  .header-meta{display:none}
  .hero{padding:36px 14px 0}
  h1{font-size:48px}
  .state-capsule{padding:16px}
  .scope-rail{grid-template-columns:24px 1fr}
  .scope-rail small{grid-column:2}
  .resolver-row{grid-template-columns:1fr}
  .resolver-stroke{display:none}
  .evidence-strip{grid-template-columns:1fr}
  .evidence-strip article{border-right:0;border-bottom:1px solid var(--line)}
  .evidence-strip article:last-child{border-bottom:none}
  .protocol-head h2{font-size:36px}
  .protocol-map{grid-template-columns:1fr}
  .protocol-map div{border-right:0;border-bottom:1px solid var(--line)}
  .completion-receipt div{grid-template-columns:1fr}
  .manifest-shell{padding:16px}
  .manifest-actions{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.scope-rail,.action{transition:none;transform:none}}