:root{
  --black:#000000;
  --white:#FFFFFF;
  --accent:#1F4AFF; /* overridden per-instance via inline <style> from feed.theme.accent */

  --ff:"Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --h1:32px;
  --body:15px;
  --micro:12px;

  --lh-h:1.15;
  --lh:1.6;

  --ls-h:-0.02em;
  --ls-m:0.02em;

  --step:8px;

  --pad-x:20px;
  --max:420px;

  --gap-p:16px;
  --gap-b:32px;
  --gap-s:72px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  background:var(--black);
  color:var(--white);
  font-family:var(--ff);
  font-size:var(--body);
  line-height:var(--lh);
  -webkit-font-smoothing:antialiased;
  text-rendering:geometricPrecision;
}

a{ color:inherit; text-decoration:none; }
a.self{ color:var(--accent); text-decoration:none; border-bottom:1px solid rgba(31,74,255,0.4); }
a.self:hover{ border-bottom-color:var(--accent); }
button{ font:inherit; color:inherit; background:none; border:none; padding:0; }

.wrap{
  width:100%;
  margin:0 auto;
  padding:0 var(--pad-x);
  max-width:calc(var(--max) + (var(--pad-x) * 2));
}

/* TOPBAR */
.topbar{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:calc(var(--step) * 3) 0;
  background:linear-gradient(to bottom, rgba(0,0,0,0.85), rgba(0,0,0,0));
  backdrop-filter:saturate(120%) blur(8px);
}
.sig{ font-size:var(--micro); letter-spacing:var(--ls-m); opacity:0.75; }
.sig a.self{ opacity:1; }

.lang{
  display:inline-flex;
  gap:6px;
  font-size:var(--micro);
  letter-spacing:var(--ls-m);
  opacity:0.75;
  cursor:pointer;
  user-select:none;
}
.lang:focus-visible{ outline:1px solid var(--accent); outline-offset:6px; }
.lang__k[data-active="1"]{ color:var(--accent); opacity:1; }
.lang__sep{ opacity:0.5; }

/* SECTIONS */
.screen{
  padding:var(--gap-s) 0;
  border-top:1px solid rgba(255,255,255,0.06);
}
.screen:first-of-type{ border-top:none; }

.stack{ display:flex; flex-direction:column; gap:var(--gap-b); }

/* TYPO */
.h1{ margin:0; font-size:var(--h1); line-height:var(--lh-h); letter-spacing:var(--ls-h); font-weight:500; }
.h2{ margin:0; font-size:18px; line-height:1.25; letter-spacing:var(--ls-m); font-weight:500; opacity:0.95; }
.meta{ margin:0; font-size:var(--micro); letter-spacing:var(--ls-m); opacity:0.7; }
.copy p{ margin:0 0 var(--gap-p) 0; opacity:0.92; }
.copy p:last-child{ margin-bottom:0; }

/* LANGUAGE */
[data-lang]{ display:none; }
html[data-locale="ru"] [data-lang="ru"]{ display:block; }
html[data-locale="en"] [data-lang="en"]{ display:block; }
html:not([data-locale]) [data-lang="ru"]{ display:block; }
html[data-locale="ru"] span[data-lang="ru"]{ display:inline; }
html[data-locale="en"] span[data-lang="en"]{ display:inline; }
html:not([data-locale]) span[data-lang="ru"]{ display:inline; }

/* AXIOM */
.screen--axiom .axiom{ max-width:34ch; margin:0 auto; padding-top:calc(var(--gap-s) * 0.2); }
.screen--axiom .copy{ margin-top:var(--gap-b); }

/* FACTORY STATE (curated public reflection) */
.state{ margin:0; display:flex; flex-direction:column; gap:calc(var(--step) * 2.5); }
.state__row{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:calc(var(--step) * 2);
  align-items:baseline;
  padding-bottom:calc(var(--step) * 2);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.state__row:last-child{ border-bottom:none; padding-bottom:0; }
.state__k{
  margin:0;
  font-family:var(--mono);
  font-size:var(--micro);
  letter-spacing:0.12em;
  text-transform:lowercase;
  color:var(--accent);
  opacity:0.9;
}
.state__v{ margin:0; opacity:0.92; }

/* STD CARD (FULL CLICKABLE) */
.projection{
  display:block;
  border:1px solid rgba(255,255,255,0.10);
  padding:calc(var(--step) * 3);
  cursor:pointer;
}
.tag{ font-family:var(--mono); font-size:var(--micro); letter-spacing:0.18em; color:var(--accent); }
.projection__body{ margin-top:calc(var(--step) * 2); }
.projection__footer{
  display:flex; align-items:center; gap:10px;
  margin-top:calc(var(--step) * 2);
  font-size:var(--micro); letter-spacing:var(--ls-m); opacity:0.85;
}
.arrow{ font-family:var(--mono); color:var(--accent); }
.projection:hover, .projection:focus-visible{
  background:var(--white); color:var(--black); border-color:var(--white); outline:none;
}
.projection:hover .tag, .projection:focus-visible .tag,
.projection:hover .arrow, .projection:focus-visible .arrow{ color:var(--black); }
.projection:focus-visible{ outline:2px solid var(--accent); outline-offset:0; }

/* PROTOCOL */
.proto{ display:flex; flex-direction:column; gap:calc(var(--step) * 3); }
.proto__row{ display:grid; grid-template-columns:48px 1fr; gap:calc(var(--step) * 2); align-items:flex-start; }
.n{ font-family:var(--mono); font-size:var(--micro); color:var(--accent); letter-spacing:0.12em; line-height:1.2; padding-top:2px; }
.proto__txt b{ font-weight:500; }

/* BUTTONS */
.grid1{ display:grid; grid-template-columns:1fr; gap:calc(var(--step) * 2); }
.btn{
  display:flex; flex-direction:column; gap:8px;
  border:1px solid rgba(255,255,255,0.14);
  padding:calc(var(--step) * 2); border-radius:0; cursor:pointer; text-align:left;
}
.btn__k{ font-size:var(--body); opacity:0.95; }
.btn__v{ font-family:var(--mono); font-size:var(--micro); letter-spacing:0.12em; opacity:0.55; }
.btn:hover, .btn:focus-visible{ background:var(--white); color:var(--black); border-color:var(--white); outline:none; }
.btn:hover .btn__v, .btn:focus-visible .btn__v{ opacity:0.8; }
.btn:focus-visible{ outline:2px solid var(--accent); outline-offset:0; }

/* GROWTH HOOK */
.screen--growth .growth{ opacity:0.7; }
.growth__mark{ margin-top:calc(var(--step) * 2); }
.growth__mark .mono{ font-family:var(--mono); font-size:var(--micro); letter-spacing:0.18em; color:var(--accent); opacity:0.6; }

/* FOOTER */
.footer{
  padding:calc(var(--gap-s) * 0.8) 0 calc(var(--gap-s) * 0.9);
  border-top:1px solid rgba(255,255,255,0.06);
  display:flex; flex-direction:column; gap:calc(var(--step) * 3);
}
.eegg{ text-align:center; opacity:0.92; }
.eegg__f{ font-family:var(--mono); font-size:14px; letter-spacing:0.22em; color:var(--accent); text-shadow:0 0 12px rgba(31,74,255,0.35); }
.eegg__t{ margin-top:10px; font-size:12px; letter-spacing:var(--ls-m); color:var(--accent); opacity:0.95; }
.back{ display:inline-flex; align-items:center; gap:10px; font-size:var(--micro); letter-spacing:var(--ls-m); opacity:0.55; align-self:center; }
.back:focus-visible{ outline:1px solid var(--accent); outline-offset:6px; }

@media (min-width:780px){
  .wrap{ max-width:1100px; }
  .screen--axiom .axiom{ max-width:42ch; }
  .state__row{ grid-template-columns:160px 1fr; }
}

@media (prefers-reduced-motion:reduce){ *{ transition:none!important; } }