/* ═══════════════════════════════════════════════════════════════
   GAIASAPIENS INSTITUTE — THE ATLAS
   A browsable knowledge graph of the Rubania corpus.
   Shares the v2 palette + type system of the main site.
   ═══════════════════════════════════════════════════════════════ */

:root{
  --void:#080A09; --earth:#0E100D; --panel:#12150F; --panel-2:#171A14;
  --ink:#EDE8DC; --ink-dim:#B8B1A3; --muted:#7E7869;
  --gold:#C9A227; --gold-lt:#E3C367;
  --moss:#6E8A5F; --water:#5B8A96;
  --lapis:#3A5FCB; --lapis-lt:#6E96EE; --lapis-deep:#264BA0;
  --line:rgba(237,232,220,0.10); --line-2:rgba(237,232,220,0.06);
  --display:'Marcellus',Georgia,serif;
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--void); color:var(--ink);
  font-family:var(--sans); font-weight:300; line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--gold);color:var(--void)}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.28em;
  text-transform:uppercase;color:var(--gold);font-weight:400;display:block;
}

/* ── site header: nav (display font, selected section highlighted) ── */
.atlas-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(8,10,9,.82);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-2);
}
.nav-inner{
  max-width:1500px;margin:0 auto;padding:16px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{height:34px;width:auto;display:block;flex:none}
.brand-text{
  font-family:var(--display);font-size:1.15rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink);white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--gold)}
.nav-links{display:flex;gap:28px;align-items:center;min-width:0;flex-wrap:wrap;justify-content:center;row-gap:8px}
.nav-links a{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);transition:color .3s;white-space:nowrap;flex:none;
}
.nav-links a b{font-weight:400;color:var(--gold);margin-right:6px}
.nav-links a:hover{color:var(--gold)}
/* selected section: blue + bold + glow, same size (monospace holds width — no reflow) */
.nav-links a.active{color:var(--lapis-lt);font-weight:700;text-shadow:0 0 12px rgba(110,150,238,.6),0 0 4px rgba(110,150,238,.5)}
.nav-links a.active b{color:var(--lapis-lt)}
.nav-links a.active:hover{color:var(--lapis-lt)}

/* ═══════════ GRAPH PAGE ═══════════ */
.graph-stage{position:fixed;left:0;right:0;bottom:0;top:60px;background:
  radial-gradient(1100px 620px at 50% 34%,rgba(58,95,203,.06),transparent 70%),
  var(--void);}
#graph{display:block;width:100%;height:100%;cursor:grab}
#graph:active{cursor:grabbing}

/* concept list / domains — left hand side, slim */
.legend{
  position:fixed;left:20px;top:50%;transform:translateY(-50%);z-index:20;
  max-height:calc(100vh - 150px);overflow-y:auto;
  background:rgba(18,21,15,.82);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:12px;padding:14px 15px;
  width:172px;font-size:.78rem;
}
.legend h4{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:11px;font-weight:400}
.legend .row{display:flex;align-items:center;gap:9px;padding:3px 0;color:var(--ink-dim);cursor:pointer;transition:color .15s;border-radius:6px}
.legend .row:hover{color:var(--ink)}
.legend .row.dim{opacity:.32}
.legend .dot{width:9px;height:9px;border-radius:50%;flex:none;box-shadow:0 0 7px currentColor}

/* search box, with a short caption right below it — bottom right */
.search-box{
  position:fixed;right:26px;bottom:60px;z-index:20;
  display:flex;align-items:center;gap:8px;
  background:rgba(18,21,15,.85);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;width:min(220px,60vw);
}
.atlas-caption{
  position:fixed;right:26px;bottom:26px;z-index:20;
  max-width:440px;text-align:right;pointer-events:none;
}
.cap-desc{font-family:var(--sans);font-size:.86rem;font-weight:300;color:var(--ink-dim);line-height:1.5}
.search-box input{
  background:none;border:none;color:var(--ink);font-family:var(--sans);
  font-size:.85rem;width:100%;outline:none;
}
.search-box input::placeholder{color:var(--muted)}
.search-box .ic{color:var(--gold);font-size:.9rem}

.hint{
  position:fixed;left:26px;bottom:24px;z-index:20;
  font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--muted);
  text-align:left;line-height:1.9;pointer-events:none;
}

/* hover tooltip */
#tip{
  position:fixed;z-index:50;pointer-events:none;display:none;
  background:rgba(8,10,9,.94);border:1px solid var(--line);
  border-radius:10px;padding:10px 13px;max-width:270px;
  box-shadow:0 12px 40px rgba(0,0,0,.6);
}
#tip .t{font-family:var(--serif);font-weight:600;font-size:1.05rem;color:var(--lapis-lt);display:flex;align-items:center;gap:7px}
#tip .d{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;margin-top:5px}
#tip .s{color:var(--ink-dim);font-size:.82rem;line-height:1.5;margin-top:7px}

/* ── concept-page mini nav (detail pages keep a focused back-nav) ── */
.atlas-nav{
  position:fixed;top:0;left:0;right:0;z-index:40;height:60px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 26px;
  background:rgba(8,10,9,.82);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-2);
}
.atlas-nav .back{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-dim);transition:color .2s}
.atlas-nav .back:hover{color:var(--gold)}

/* ═══════════ CONCEPT PAGE ═══════════ */
.concept-wrap{max-width:720px;margin:0 auto;padding:120px 32px 90px}
.concept-emoji{font-size:3.4rem;line-height:1;display:block;margin-bottom:18px;filter:drop-shadow(0 4px 16px rgba(0,0,0,.5))}
.concept-domain{
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
}
.concept-domain .dot{width:9px;height:9px;border-radius:50%;box-shadow:0 0 8px currentColor}
.concept-wrap h1{
  font-family:var(--display);font-weight:400;line-height:1.08;
  font-size:clamp(2.1rem,5vw,3.1rem);letter-spacing:.01em;
  background:linear-gradient(180deg,var(--lapis-lt) 15%,var(--lapis) 95%);
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:26px;
}
.concept-body p{color:var(--ink-dim);font-size:1.12rem;line-height:1.8;margin-bottom:20px}
.concept-body p strong{color:var(--ink);font-weight:500}
.concept-body em{color:var(--ink);font-style:italic}

.connects{margin-top:54px;border-top:1px solid var(--line);padding-top:30px}
.connects h4{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:18px;font-weight:400}
.connects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.connect{
  display:flex;align-items:center;gap:11px;padding:12px 14px;
  background:var(--panel);border:1px solid var(--line);border-radius:11px;
  transition:border-color .2s,transform .2s,background .2s;
}
.connect:hover{border-color:var(--gold);transform:translateY(-2px);background:var(--panel-2)}
.connect .em{font-size:1.35rem;flex:none}
.connect .nm{font-family:var(--serif);font-size:1.08rem;color:var(--ink);line-height:1.2}
.connect .dm{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:2px}

.concept-foot{margin-top:60px;text-align:center;font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.concept-foot a{color:var(--gold)}

@media(max-width:1080px){
  .nav-inner{flex-direction:column;align-items:center;gap:12px;padding:14px 20px}
  .nav-links{width:100%;justify-content:center}
}
@media(max-width:720px){
  .legend{display:none}
  .atlas-caption{display:none}
  .hint{display:none}
}
@media(max-width:560px){
  .brand-text{font-size:.95rem;letter-spacing:.12em}
}