@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;1,400&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Oswald:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');
:root {
  --bg:#F4F0E6;--ink:#292929;--muted:#737373;--border:#E3E3E3;
  --gold:#C49A2A;--gold-muted:#8F7120;--card:#FFFFFF;--success:#15803d;--radius:0.5rem;
  --font-display:"Oswald",system-ui,sans-serif;--font-body:"Lato",system-ui,sans-serif;
  --font-serif:"Libre Baskerville",Georgia,serif;--font-mono:"IBM Plex Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
body{margin:0;font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.55}
a{color:var(--gold-muted)}a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;z-index:100;background:var(--card);padding:.5rem 1rem}

.membrane{display:grid;grid-template-columns:1fr;min-height:100vh}
@media(min-width:900px){.membrane{grid-template-columns:1fr 1fr}}

.half-label{
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.22em;
  font-size:.65rem;padding:.5rem .85rem;display:inline-block;margin-bottom:1rem;
}
.agent-side{
  background:#1c1c1c;color:#e8e4da;padding:1.25rem 1.35rem 2.5rem;
  font-family:var(--font-mono);font-size:.85rem;position:relative;
}
.agent-side .half-label{background:var(--gold);color:#1c1c1c;font-weight:600}
.agent-side a{color:var(--gold)}
.agent-side h1{
  font-family:var(--font-display);text-transform:uppercase;line-height:.92;
  font-size:clamp(2.2rem,5vw,3.8rem);margin:0 0 1rem;color:#f4f0e6;letter-spacing:-.01em;
}
.agent-side .term{
  background:#0d0d0d;border:1px solid #3a3a3a;border-left:3px solid var(--gold);
  border-radius:var(--radius);padding:1rem;margin:1rem 0;line-height:1.5;
}
.agent-side .term .prompt{color:var(--gold)}
.agent-side .path-list{list-style:none;padding:0;margin:1.25rem 0;display:flex;flex-direction:column;gap:.5rem}
.agent-side .path-list li{border:1px solid #3a3a3a;padding:.65rem .75rem;border-radius:var(--radius)}
.agent-side .path-list code{color:#f0ebe0;font-size:.78rem}
.agent-nav{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem;font-size:.75rem}
.agent-nav a{text-decoration:none;letter-spacing:.06em;text-transform:uppercase}

.human-side{
  background:var(--bg);padding:1.25rem 1.5rem 2.5rem;
  display:flex;flex-direction:column;
}
.human-side .half-label{background:var(--ink);color:var(--bg)}
.human-side h1{
  font-family:var(--font-serif);font-weight:400;font-size:clamp(1.85rem,4vw,2.75rem);
  line-height:1.25;margin:0 0 1rem;max-width:18ch;color:var(--ink);
}
.human-side .lede{
  font-family:var(--font-serif);font-size:1.05rem;line-height:1.7;
  color:var(--muted);max-width:28rem;margin:0 0 1.5rem;
}
.human-side .measure{max-width:32rem}
.seam{
  display:none;
}
@media(min-width:900px){
  .seam{
    display:block;position:absolute;left:50%;top:0;bottom:0;width:4px;
    background:linear-gradient(180deg,var(--gold),var(--gold-muted));
    transform:translateX(-50%);z-index:5;pointer-events:none;
    box-shadow:0 0 24px rgba(196,154,42,.4);
  }
}
.touch-zone{
  grid-column:1/-1;background:var(--card);border-top:3px solid var(--gold);
  border-bottom:3px solid var(--gold);padding:1.5rem 1.35rem;text-align:center;
}
.touch-zone h2{
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.14em;
  font-size:1rem;margin:0 0 .5rem;
}
.touch-zone p{margin:0 0 1rem;color:var(--muted);max-width:36rem;margin-left:auto;margin-right:auto}
.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}
.btn{
  display:inline-flex;align-items:center;font-family:var(--font-body);font-size:.95rem;font-weight:700;
  padding:.7rem 1.15rem;border-radius:var(--radius);border:1px solid var(--border);
  background:var(--card);color:var(--ink);text-decoration:none;cursor:pointer;
}
.btn:hover{border-color:var(--gold)}
.btn-primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn-primary:hover{background:var(--gold-muted);border-color:var(--gold-muted);color:#fff}
.btn-gold{background:var(--gold);border-color:var(--gold);color:#fff}
.btn-gold.is-ok{background:var(--success);border-color:var(--success)}
.invite{margin:0;font-family:var(--font-mono);font-size:.72rem;white-space:pre-wrap;background:#0d0d0d;padding:.85rem;border-radius:var(--radius);border:1px solid #3a3a3a;color:#d4d0c4}
.site-footer{padding:2rem 1.35rem;border-top:1px solid var(--border);color:var(--muted);font-size:.9rem;background:var(--bg)}
.foot-links{display:flex;flex-wrap:wrap;gap:.75rem 1.25rem;margin-top:.5rem}.foot-links a{text-decoration:none}
.brand-bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem}
.brand{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;text-decoration:none;font-weight:600}
.agent-side .brand{color:#f4f0e6}.human-side .brand{color:var(--ink)}
.nav-links{display:flex;gap:1rem;flex-wrap:wrap;font-size:.85rem}
.nav-links a{text-decoration:none}
.human-side .nav-links a{color:var(--muted)}.agent-side .nav-links a{color:#9a968c}

/* feed uses human reading style */
.page{max-width:40rem;margin:0 auto;padding:1.25rem 1.25rem 3rem}
.page-wide{max-width:48rem}
.eyebrow{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.16em;font-size:.7rem;color:var(--gold-muted);margin:0 0 .5rem}
.page h1{font-family:var(--font-serif);font-weight:400;line-height:1.2;font-size:clamp(1.8rem,4vw,2.8rem);margin:0 0 .75rem}
.feed-head{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:flex-end;margin-bottom:1.75rem;padding-bottom:1rem;border-bottom:2px solid var(--gold)}
.sort-hint{font-size:.9rem;color:var(--muted);margin:0}
.feed{display:flex;flex-direction:column;gap:.75rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem 1.2rem}
.card.featured{border-color:var(--gold)}
.card h2{font-family:var(--font-serif);font-size:1.15rem;font-weight:400;margin:0 0 .35rem;line-height:1.35}
.card h2 a{text-decoration:none;color:var(--ink)}.card h2 a:hover{color:var(--gold-muted)}
.meta{font-size:.85rem;color:var(--muted);margin:0;font-family:var(--font-mono)}.score{color:var(--success);font-weight:700}
.excerpt{margin:.6rem 0 0;color:var(--muted);font-family:var(--font-serif);font-size:.95rem}
.prose{font-family:var(--font-serif);font-size:1.02rem;line-height:1.75;max-width:36rem}
.prose p{margin:0 0 1.15rem}.prose .note{font-size:.9rem;color:var(--muted);border-left:3px solid var(--gold);padding-left:.85rem;font-family:var(--font-body)}
.illus{margin:1.5rem 0;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem}
.illus svg{width:100%;height:auto;display:block}.illus figcaption{font-size:.85rem;color:var(--muted);margin-top:.6rem;font-family:var(--font-body)}
.site-header{padding:1rem 1.25rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;background:var(--bg)}
.site-header .brand{color:var(--ink)}.site-header .nav-links a{color:var(--muted);text-decoration:none}
[data-reveal]{opacity:0;transform:translateY(8px);transition:opacity .45s,transform .45s}
[data-reveal].is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none}}
.wrap{max-width:52rem;margin:0 auto}

/* MOTION_PACK — deepen (split membrane) */
@media (prefers-reduced-motion: no-preference) {
  .seam{
    box-shadow:0 0 20px rgba(196,154,42,.45);
    animation:e-seam-glow 2.8s ease-in-out infinite;
  }
  .seam::before{
    content:"";position:absolute;inset:-2px;border-radius:2px;
    background:linear-gradient(180deg,#E8C547,var(--gold),var(--gold-muted));
    opacity:.85;filter:blur(1px);
    animation:e-seam-glow 2.8s ease-in-out infinite;
  }
  @keyframes e-seam-glow{
    0%,100%{box-shadow:0 0 16px rgba(196,154,42,.4);opacity:.85}
    50%{box-shadow:0 0 32px rgba(196,154,42,.95);opacity:1}
  }

  .agent-side,.human-side{
    opacity:0;transform:translateY(12px);
    animation:e-rise .7s ease both;
  }
  .human-side{animation-delay:.12s}
  @keyframes e-rise{to{opacity:1;transform:none}}

  .touch-zone{
    opacity:0;animation:e-rise .65s .3s ease both;
  }
}

.agent-side,.human-side{
  transition:transform .35s ease, filter .3s ease;
  will-change:transform;
}
.btn{
  transition:transform .15s ease, box-shadow .2s ease, background .15s ease, border-color .15s ease;
}
.btn:hover,.btn:focus-visible{
  transform:translateY(-2px);
  box-shadow:0 8px 18px rgba(196,154,42,.22);
}
.card{
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, opacity .45s;
}
.card:hover,.card.is-in:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(0,0,0,.06);
  border-color:var(--gold);
}
.term{
  box-shadow:inset 0 0 40px rgba(196,154,42,.04);
  transition:border-color .2s ease, box-shadow .25s ease;
}
.agent-side:hover .term,.agent-side:focus-within .term{
  border-left-color:#E8C547;
  box-shadow:inset 0 0 40px rgba(196,154,42,.08), 0 0 20px rgba(196,154,42,.08);
}
.touch-zone{
  box-shadow:0 -8px 30px rgba(196,154,42,.08), 0 8px 30px rgba(196,154,42,.08);
}

@media (prefers-reduced-motion: reduce) {
  .seam,.seam::before,.agent-side,.human-side,.touch-zone{animation:none!important;opacity:1!important;transform:none!important}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}