/* ════════════════════════════════════════════════════════════════════
   GUTS — Shared Design System
   ════════════════════════════════════════════════════════════════════ */

:root {
  /* Surfaces */
  --bg:#0a0c0f;
  --bg2:#0f1318;
  --bg3:#141920;
  --border:#1e2730;
  --border2:#2a3540;

  /* Per-organ accent colors */
  --amber:#e8a030;   /* GEDS  — relevance / inference (5-mode E·T·A engine) */
  --amber2:#f0b84a;
  --cyan:#38b4c8;    /* GONS  — coordination (Core foreman · Console command room) */
  --green:#58c878;   /* GOMS  — intent (goal → campaign → sprint → task → action) */
  --coral:#e87858;   /* GAMS  — allocation (later layer) */
  --steel:#6890c0;   /* GIMS  — institutional ledger / operational grammar */
  --rose:#d878a8;    /* GEMS  — artifact map, a read-view over GIMS (later layer) */
  --purple:#9878e8;  /* GRAMS — market membrane (later layer) */
  --silver:#a8bccb;  /* BRIDGE — the built control surface (runtime layer) */
  --red:#e05050;

  /* Dimmed tints (rgba) */
  --amber-dim:rgba(232,160,48,.12);
  --cyan-dim:rgba(56,180,200,.12);
  --green-dim:rgba(88,200,120,.12);
  --coral-dim:rgba(232,120,88,.12);
  --steel-dim:rgba(104,144,192,.12);
  --rose-dim:rgba(216,120,168,.12);
  --purple-dim:rgba(152,120,232,.12);
  --silver-dim:rgba(168,188,203,.12);
  --red-dim:rgba(224,80,80,.1);

  /* Text */
  --text:#c8d4dc;
  --text2:#7a90a0;
  --text3:#4a5f6c;
  --text-bright:#e8eef2;

  /* Page accent — default amber; each page overrides */
  --accent:var(--amber);
  --accent2:var(--amber2);
  --accent-dim:var(--amber-dim);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'IBM Plex Mono',monospace;
  min-height:100vh;
  overflow-x:hidden;
}
/* film grain overlay */
body::before{
  content:'';position:fixed;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events:none;z-index:9999;opacity:.4;
}

a{color:inherit;text-decoration:none}
a.inline-link{color:var(--accent);border-bottom:1px solid color-mix(in srgb, var(--accent) 30%, transparent);transition:opacity .15s}
a.inline-link:hover{opacity:.75}

/* ════════════════════════════════════════════════════════════════════
   HEADER
   ════════════════════════════════════════════════════════════════════ */
.header{
  border-bottom:1px solid var(--border);
  padding:16px 40px;
  display:flex;align-items:center;justify-content:space-between;
  background:var(--bg);
  position:sticky;top:0;z-index:100;
}
.header-left{display:flex;align-items:center;gap:18px}
.header-logo{
  font-family:'Syne',sans-serif;font-weight:800;
  font-size:18px;letter-spacing:.18em;color:var(--text-bright);
  display:flex;align-items:center;gap:10px;
}
.header-logo .glyph{
  width:22px;height:22px;display:inline-block;position:relative;
}
.header-logo .glyph::before,
.header-logo .glyph::after{
  content:'';position:absolute;inset:0;border-radius:50%;
}
.header-logo .glyph::before{border:1.5px solid var(--accent);opacity:.55}
.header-logo .glyph::after{
  inset:5px;background:var(--accent);opacity:.85;
  box-shadow:0 0 10px var(--accent);
}
.header-sub{
  font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--text3);
}
.header-right{display:flex;align-items:center;gap:14px}
.pulse{
  width:6px;height:6px;border-radius:50%;background:var(--green);
  box-shadow:0 0 8px var(--green);animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ════════════════════════════════════════════════════════════════════
   ORGAN NAV — page-aware tabs: home · blueprint · bridge · one per organ
   Stack order: Bridge (runtime) → GIMS (memory) → GONS (coordination)
   → GEDS (interpretation) → GOMS (intent) → GEMS/GAMS/GRAMS (later)
   ════════════════════════════════════════════════════════════════════ */
.organ-nav{
  display:flex;border-bottom:1px solid var(--border);
  background:var(--bg);overflow-x:auto;
  scrollbar-width:none;
}
.organ-nav::-webkit-scrollbar{display:none}
.organ-nav-inner{display:flex;padding:0 24px;flex:1}
.organ-tab{
  padding:14px 18px;font-family:'Syne',sans-serif;font-size:11px;
  font-weight:700;letter-spacing:.14em;color:var(--text3);
  cursor:pointer;border-bottom:2px solid transparent;
  transition:color .2s,border-color .2s;
  user-select:none;white-space:nowrap;
  display:flex;align-items:center;gap:8px;
}
.organ-tab:hover{color:var(--text2)}
.organ-tab .dot{
  width:6px;height:6px;border-radius:50%;background:currentColor;
  opacity:.5;
}
.organ-tab.home{color:var(--text2)}
.organ-tab.home.active{color:var(--text-bright);border-bottom-color:var(--text-bright)}
.organ-tab.blueprint:hover{color:var(--text-bright)}
.organ-tab.blueprint.active{color:var(--text-bright);border-bottom-color:var(--text-bright)}
.organ-tab.bridge:hover{color:var(--silver)}
.organ-tab.bridge.active{color:var(--silver);border-bottom-color:var(--silver)}
.organ-tab.gons:hover{color:var(--cyan)}
.organ-tab.gons.active{color:var(--cyan);border-bottom-color:var(--cyan)}
.organ-tab.geds:hover{color:var(--amber)}
.organ-tab.geds.active{color:var(--amber);border-bottom-color:var(--amber)}
.organ-tab.gams:hover{color:var(--coral)}
.organ-tab.gams.active{color:var(--coral);border-bottom-color:var(--coral)}
.organ-tab.goms:hover{color:var(--green)}
.organ-tab.goms.active{color:var(--green);border-bottom-color:var(--green)}
.organ-tab.gims:hover{color:var(--steel)}
.organ-tab.gims.active{color:var(--steel);border-bottom-color:var(--steel)}
.organ-tab.gems:hover{color:var(--rose)}
.organ-tab.gems.active{color:var(--rose);border-bottom-color:var(--rose)}
.organ-tab.grams:hover{color:var(--purple)}
.organ-tab.grams.active{color:var(--purple);border-bottom-color:var(--purple)}

/* ════════════════════════════════════════════════════════════════════
   LAYOUT
   ════════════════════════════════════════════════════════════════════ */
.page-wrap{max-width:1100px;margin:0 auto;padding:56px 40px 96px}
.hero{display:grid;grid-template-columns:1fr 340px;gap:60px;align-items:center;margin-bottom:64px}

.section-label{
  font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;
}
.section-title{
  font-family:'Syne',sans-serif;font-weight:700;
  font-size:34px;color:var(--text-bright);line-height:1.18;margin-bottom:18px;
}
.section-body{
  font-family:'Fraunces',serif;font-size:15px;line-height:1.78;
  color:var(--text2);font-weight:300;
}
.section-body em{color:var(--text);font-style:italic}
.section-body strong{color:var(--text);font-weight:400}

.section{margin-top:72px}
.section-sub-title{
  font-family:'Syne',sans-serif;font-weight:700;
  font-size:22px;color:var(--text-bright);margin-bottom:8px;
}
.section-sub-lede{
  font-family:'Fraunces',serif;font-size:14px;color:var(--text2);
  font-weight:300;line-height:1.7;max-width:620px;margin-bottom:32px;
}

/* problem block */
.problem-block{
  background:var(--bg2);border:1px solid var(--border);
  border-left:3px solid var(--red);
  padding:26px 30px;margin-bottom:60px;position:relative;
}
.problem-block::before{
  content:'THE PROBLEM';position:absolute;top:-9px;left:24px;
  background:var(--bg2);padding:0 8px;font-size:9px;letter-spacing:.2em;color:var(--red);
}
.problem-block p{
  font-family:'Fraunces',serif;font-size:14px;line-height:1.72;
  color:var(--text2);font-weight:300;
}
.problem-block p+p{margin-top:11px}
.problem-block strong{color:var(--text);font-weight:400}

/* highlighted thesis quote */
.thesis-block{
  background:var(--bg2);border:1px solid var(--border);
  border-left:3px solid var(--accent);
  padding:28px 32px;margin-bottom:32px;position:relative;
}
.thesis-block::before{
  content:'THESIS';position:absolute;top:-9px;left:24px;
  background:var(--bg2);padding:0 8px;font-size:9px;letter-spacing:.2em;
  color:var(--accent);
}
.thesis-block p{
  font-family:'Fraunces',serif;font-size:15px;line-height:1.78;
  color:var(--text2);font-weight:300;
}
.thesis-block em{color:var(--text);font-style:italic}
.thesis-block strong{color:var(--text-bright);font-weight:400}

/* mechanism rows */
.mech-item{
  display:grid;grid-template-columns:220px 1fr;
  border:1px solid var(--border);border-top:none;background:var(--bg2);
  transition:background .2s;
}
.mech-item:first-of-type{border-top:1px solid var(--border)}
.mech-item:hover{background:var(--bg3)}
.mech-visual{
  display:flex;align-items:center;justify-content:center;
  padding:28px 16px;border-right:1px solid var(--border);
}
.mech-body{padding:28px 32px}
.mech-name{
  font-family:'Syne',sans-serif;font-weight:600;font-size:13px;
  color:var(--accent);margin-bottom:10px;letter-spacing:.04em;
}
.mech-desc{
  font-family:'Fraunces',serif;font-size:13px;line-height:1.72;
  color:var(--text2);font-weight:300;
}
.mech-desc em{color:var(--text);font-style:italic}
.mech-desc strong{color:var(--text);font-weight:500}

/* flow note */
.flow-note{
  font-size:12.5px;color:var(--text3);font-style:italic;
  font-family:'Fraunces',serif;font-weight:300;line-height:1.7;
  padding:20px 24px;border:1px solid var(--border);background:var(--bg2);
  border-left:2px solid var(--accent);margin-top:32px;
}

/* relationship/orbit layout */
.orbit-wrap{
  display:grid;grid-template-columns:420px 1fr;gap:48px;
  align-items:center;margin-top:32px;
}
.orbit-legend{display:flex;flex-direction:column;gap:14px}
.orbit-item{display:flex;align-items:flex-start;gap:14px}
.orbit-dot{
  width:10px;height:10px;border-radius:50%;flex-shrink:0;margin-top:3px;
}
.orbit-item-name{
  font-family:'Syne',sans-serif;font-weight:600;font-size:12px;
  color:var(--text);margin-bottom:3px;letter-spacing:.04em;
}
.orbit-item-desc{font-size:11px;color:var(--text3);line-height:1.55;font-family:'IBM Plex Mono',monospace}

/* footer / link strip */
.footer{
  margin-top:120px;border-top:1px solid var(--border);
  padding:36px 40px 56px;
}
.footer-inner{max-width:1100px;margin:0 auto}
.footer-row{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:40px;flex-wrap:wrap;
}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-label{
  font-size:9px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--text3);margin-bottom:6px;
}
.footer-link{
  font-size:11.5px;color:var(--text2);transition:color .15s;
  font-family:'IBM Plex Mono',monospace;
}
.footer-link:hover{color:var(--accent)}
.footer-tagline{
  font-family:'Fraunces',serif;font-size:12px;color:var(--text3);
  font-style:italic;font-weight:300;line-height:1.7;
  max-width:380px;margin-top:14px;
}

/* scrollbar */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}

/* animations */
@keyframes spin-slow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes spin-rev{from{transform:rotate(0deg)}to{transform:rotate(-360deg)}}
@keyframes spin-fast{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp .55s ease forwards}
@keyframes drift-x{0%,100%{transform:translateX(-4px)}50%{transform:translateX(4px)}}
@keyframes pulse-fade{0%,100%{opacity:.85}50%{opacity:.25}}

/* badges & utilities */
.badge{
  display:inline-block;font-size:10px;padding:2px 8px;letter-spacing:.06em;
  font-family:'IBM Plex Mono',monospace;
}
.badge-accent{background:var(--accent-dim);color:var(--accent)}
.badge-cyan{background:var(--cyan-dim);color:var(--cyan)}
.badge-green{background:var(--green-dim);color:var(--green)}
.badge-red{background:var(--red-dim);color:var(--red)}

/* ── status chips — honest build-state labels used site-wide ── */
.status-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-family:'IBM Plex Mono',monospace;font-size:9px;
  letter-spacing:.18em;text-transform:uppercase;
  padding:3px 10px;border:1px solid var(--border2);
  white-space:nowrap;
}
.status-chip::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
.status-built{color:var(--green);border-color:rgba(88,200,120,.35);background:var(--green-dim)}
.status-field{color:var(--steel);border-color:rgba(104,144,192,.35);background:var(--steel-dim)}
.status-next{color:var(--amber);border-color:rgba(232,160,48,.35);background:var(--amber-dim)}
.status-designed{color:var(--text2);border-color:var(--border2);background:var(--bg3)}
.status-later{color:var(--text3);border-color:var(--border);background:transparent}
.status-later::before{background:var(--text3)}

/* responsive */
@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:40px}
  .hero svg{max-width:100%;height:auto}
  .mech-item{grid-template-columns:1fr}
  .mech-visual{border-right:none;border-bottom:1px solid var(--border)}
  .orbit-wrap{grid-template-columns:1fr;gap:32px}
  .orbit-wrap svg{max-width:100%;height:auto;margin:0 auto;display:block}
  .header{padding:14px 20px}
  .organ-nav-inner{padding:0 14px}
  .organ-tab{padding:12px 14px;font-size:10px}
  .page-wrap{padding:40px 20px 64px}
  .section-title{font-size:26px}
  .footer{padding:30px 20px 48px}
}