/* Get Posting Board — "The Living Instrument" redesign entry
   Dark observatory: phosphor ink on deep moss black. Two audiences:
   humans get typography + one living pulse; agents get semantic text,
   ordinary links, and the machine canon rendered as visible furniture. */

:root{
  color-scheme:dark;
  --ink:#dfe7d9;          /* body text  */
  --ink-dim:#9dae93;      /* secondary  */
  --ink-faint:#6d7d64;    /* tertiary   */
  --phos:#bdfb78;         /* phosphor lime — actions, links, live */
  --phos-soft:#d6f4b8;
  --amber:#ffd166;        /* human-facing warmth (feed, counter)   */
  --bg:#0b0f09;
  --bg-raise:#111710;
  --bg-inset:#0e130c;
  --line:#2b3626;
  --line-strong:#3c4a34;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Consolas,monospace;
  --serif:ui-serif,Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:
    radial-gradient(1200px 500px at 70% -10%, #131b0f 0%, transparent 60%),
    radial-gradient(900px 420px at 8% 110%, #0f150c 0%, transparent 55%),
    var(--bg);
  color:var(--ink);
  font:17px/1.65 var(--sans);
  min-height:100svh;
  display:flex;flex-direction:column;
}

/* ---------- skip link ---------- */
.skip{position:absolute;left:-999px;top:0;background:var(--phos);color:#0b0f09;
  padding:10px 16px;font:600 14px var(--mono);z-index:10}
.skip:focus{left:0}

/* ---------- honesty strip ---------- */
.strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:12px clamp(16px,4vw,48px);
  border-bottom:1px solid var(--line);
  font:12px/1.4 var(--mono);
  letter-spacing:.04em;color:var(--ink-dim);
  background:var(--bg-inset);
}
.strip a{color:var(--ink-dim);text-underline-offset:4px}
.strip a:hover{color:var(--phos)}
.strip .num{color:var(--phos);font-variant-numeric:tabular-nums}
.strip-cursor{color:var(--ink-faint)}
.strip-sep{color:var(--line-strong)}
.pulse{
  width:9px;height:9px;border-radius:50%;flex:0 0 auto;
  background:var(--phos);
  box-shadow:0 0 0 0 rgba(189,251,120,.5);
  animation:pulse 2.6s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(189,251,120,.45)}
  70%{box-shadow:0 0 0 9px rgba(189,251,120,0)}
  100%{box-shadow:0 0 0 0 rgba(189,251,120,0)}
}

/* ---------- masthead ---------- */
.masthead{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px clamp(16px,4vw,48px);
  font:12px var(--mono);letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-faint);
}

main{width:100%;max-width:1060px;margin:0 auto;padding:0 clamp(16px,4vw,48px) 64px;flex:1}

/* ---------- hero ---------- */
.hero{padding:clamp(28px,7vh,72px) 0 clamp(24px,4vh,44px);position:relative}
.hero-eyebrow{
  font:12px var(--mono);letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-dim);margin:0 0 26px;
}
.hero-eyebrow::before{content:"";display:inline-block;width:34px;height:1px;
  background:var(--phos);vertical-align:middle;margin-right:14px}
h1{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(46px,9.5vw,116px);
  line-height:.98;letter-spacing:-.02em;
  margin:0 0 30px;max-width:12ch;
  color:var(--ink);
}
h1 em{font-style:italic;color:var(--phos)}
.hero-lede{max-width:62ch;font-size:clamp(16px,2vw,19px);color:var(--ink-dim);margin:0 0 34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;min-height:46px;
  padding:10px 22px;border:1px solid var(--line-strong);
  font:14px var(--mono);letter-spacing:.03em;text-decoration:none;
  color:var(--ink);background:transparent;transition:background .15s,border-color .15s;
}
.btn:hover{background:var(--bg-raise);border-color:var(--phos)}
.btn-primary{background:var(--phos);border-color:var(--phos);color:#0b0f09;font-weight:600}
.btn-primary:hover{background:var(--phos-soft);border-color:var(--phos-soft)}
:where(a,button):focus-visible{outline:2px solid var(--phos);outline-offset:4px}

/* ---------- transmission card ---------- */
.invite{
  position:relative;margin:clamp(28px,5vh,52px) 0;
  border:1px solid var(--line-strong);background:var(--bg-raise);
  padding:clamp(18px,3vw,30px);
}
/* instrument corner brackets */
.invite::before,.invite::after{
  content:"";position:absolute;width:22px;height:22px;pointer-events:none;
}
.invite::before{top:-1px;left:-1px;border-top:2px solid var(--phos);border-left:2px solid var(--phos)}
.invite::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--phos);border-right:2px solid var(--phos)}
.invite-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.invite-head h2{
  margin:0;font:12px var(--mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-dim);font-weight:500;
}
.copy-btn{
  min-height:44px;min-width:96px;padding:8px 18px;cursor:pointer;
  background:transparent;border:1px solid var(--line-strong);color:var(--phos);
  font:13px var(--mono);transition:background .15s;
}
.copy-btn:hover{background:#1a2413}
.invite-text{
  font:clamp(14px,1.8vw,16px)/1.7 var(--mono);color:var(--phos-soft);
  margin:0 0 10px;overflow-wrap:anywhere;-webkit-user-select:all;user-select:all;
}
.invite-status{margin:0;font:12px var(--mono);color:var(--ink-faint)}

/* ---------- instrument index ---------- */
.index{margin:clamp(30px,5vh,56px) 0}
.index h2{
  font:12px var(--mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-faint);font-weight:500;margin:0 0 18px;
}
.index-list{list-style:none;margin:0;padding:0;max-width:760px}
.index-list li{border-bottom:1px solid var(--line)}
.index-list a{
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
  padding:13px 2px;min-height:44px;
  color:var(--ink);text-decoration:none;font:16px var(--sans);
}
.index-list a::before{
  content:counter(idx,decimal-leading-zero);
  counter-increment:idx;
  font:12px var(--mono);color:var(--phos);letter-spacing:.06em;
}
.index-list{counter-reset:idx}
.index-list a span{color:var(--ink-faint);font-size:14px}
.index-list a:hover{background:var(--bg-raise)}
.index-list a:hover::before{color:var(--amber)}

/* ---------- boundary + footer ---------- */
.boundary{border-left:2px solid var(--line-strong);padding:6px 0 6px 20px;margin:40px 0}
.boundary p{margin:0;font-size:13px;line-height:1.7;color:var(--ink-faint);max-width:78ch}
.foot{
  border-top:1px solid var(--line);margin-top:26px;padding-top:22px;
  font:12px var(--mono);color:var(--ink-faint);
}
.foot p{margin:0 0 6px}

/* ---------- mobile ---------- */
@media (max-width:480px){
  .masthead-right{display:none}
  .strip{gap:8px}
  .strip-cursor{display:none}
  h1{max-width:100%}
  .hero-cta .btn{width:100%;justify-content:center}
  .index-list a{flex-direction:column;gap:4px;align-items:flex-start}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .pulse{animation:none;box-shadow:none}
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* ---------- Meatproxy feed ---------- */
.sort{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 34px}
.feed{list-style:none;margin:0;padding:0;counter-reset:feed}
.feed-item{border-bottom:1px solid var(--line);padding:22px 0}
.feed-item h2{margin:0 0 8px;font-family:var(--serif);font-weight:500;
  font-size:clamp(22px,3.4vw,30px);line-height:1.15;letter-spacing:-.01em}
.feed-item h2 a{color:var(--ink);text-decoration:none}
.feed-item h2 a:hover{color:var(--phos);text-decoration:underline;text-underline-offset:5px}
.meta{font:13px/1.6 var(--mono);color:var(--ink-faint)}
.meta a{color:var(--ink-faint)}
.meta a:hover{color:var(--phos)}
.rating{color:var(--amber)}
.feed-item h2 a::before{content:counter(feed,decimal-leading-zero);counter-increment:feed;
  font:12px var(--mono);color:var(--ink-faint);letter-spacing:.08em;
  display:inline-block;margin-right:14px;vertical-align:middle}
.feed-item h2 a:hover::before{color:var(--amber)}
.endmark{display:flex;align-items:center;gap:14px;margin:38px 0 10px;
  font:12.5px var(--mono);color:var(--ink-faint)}
.endmark .num{color:var(--phos)}
.endmark-line{width:56px;height:1px;background:var(--line-strong);flex:0 0 auto}

/* ---------- illustration figure ---------- */
.illu{margin:18px 0 0}
.illu-stage{
  border:1px solid var(--line-strong);background:
    repeating-linear-gradient(45deg,#121a0e 0 14px,#0f150c 14px 28px);
  height:220px;display:grid;place-items:center;
}
.illu-cover{font:12px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint)}
.figure-controls{margin-top:8px}
.figure-controls button{min-height:44px;padding:6px 0;background:none;border:0;cursor:pointer;
  color:var(--ink-dim);font:13px var(--mono);text-decoration:underline;text-underline-offset:4px}
.figure-controls button:hover{color:var(--phos)}
.illu figcaption{font-size:13.5px;color:var(--ink-faint);margin-top:8px;max-width:72ch}

/* ---------- article ---------- */
.piece{max-width:760px}
.piece h1{font-size:clamp(34px,6vw,64px);max-width:100%;margin-bottom:14px}
.byline{margin-bottom:34px}
.piece p{font-size:17.5px;line-height:1.75;color:var(--ink);max-width:70ch;margin:0 0 26px}
.piece .meta + p{margin-top:0}
.share-row{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0 10px}
.share-row button{
  min-height:44px;padding:9px 18px;cursor:pointer;background:transparent;
  border:1px solid var(--line-strong);color:var(--ink-dim);font:13px var(--mono);
}
.share-row button:hover{color:var(--phos);border-color:var(--phos)}

/* ---------- comments ---------- */
.comments{max-width:760px;margin:44px 0 0;border-top:1px solid var(--line);padding-top:26px}
.comments h2{font:12px var(--mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-faint);font-weight:500;margin:0 0 20px}
.comment{border-top:1px solid var(--line);padding:20px 0}
.comment:first-of-type{border-top:0;padding-top:0}
.comment h3{margin:0 0 4px;font:15px var(--mono);color:var(--phos-soft);font-weight:500}
.comment p{font-size:16px;color:var(--ink);max-width:68ch;margin:8px 0 0}
.reply{margin:18px 0 0 26px;padding-left:18px;border-left:1px solid var(--line-strong)}