/*
Theme Name: Polymath Neuron
Theme URI: https://poln.eu/
Author: Polymath Neuron
Author URI: https://poln.eu/
Description: A light, editorial single-page theme for a trading & research persona. Cream ground, cool-slate type, warm accent, and an animated neuron/market-structure canvas. One tape. Many lenses.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: polymathneuron
*/

:root{
  --bg:#f5f0e6;
  --bg-tint:#efe8da;
  --bg-card:#f9f4ea;
  --ink:#3c5b7b;
  --ink-strong:#2c4460;
  --ink-soft:#6a7f97;
  --ink-faint:#95a3b4;
  --rule:#ddd2bf;
  --rule-soft:#e6ddcc;
  --accent:#b0842f;
  --accent-soft:#c69a4a;
  --red:#a8564a;
  --violet:#7c6a8e;
  --maxw:1120px;
  --serif:"Fraunces",Georgia,serif;
  --sans:"Inter",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}

/* ---------- ANIMATED CANVAS (neuron / market lattice) ---------- */
#neuron-canvas{
  position:fixed;inset:0;width:100%;height:100%;
  z-index:0;pointer-events:none;opacity:.55;
}
.page-shell{position:relative;z-index:1}

/* ---------- NAV ---------- */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(245,240,230,.86);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--rule);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--mono);font-size:.82rem;letter-spacing:.2em;font-weight:500;color:var(--ink-strong)}
.logo em{font-style:normal;color:var(--accent)}
nav ul{list-style:none;display:flex;gap:30px;align-items:center}
nav a{font-size:.9rem;color:var(--ink-soft);transition:color .2s}
nav a:hover{color:var(--ink-strong)}
.nav-toggle{display:none;background:none;border:none;color:var(--ink);font-size:1.4rem;cursor:pointer}
@media(max-width:760px){
  nav ul{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--rule)}
  nav ul.open{display:flex}
  nav ul li{width:100%;border-top:1px solid var(--rule-soft)}
  nav ul li a{display:block;padding:16px 32px}
  .nav-toggle{display:block}
}

/* ---------- reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  #neuron-canvas{display:none}
}

/* ---------- HERO ---------- */
.hero{padding:130px 0 104px;border-bottom:1px solid var(--rule);position:relative}
.hero .kicker{margin-bottom:34px}
.hero h1{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(3rem,8vw,6.2rem);line-height:.98;
  letter-spacing:-.02em;color:var(--ink-strong);margin-bottom:32px;
}
.hero p.lede{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(1.15rem,2.4vw,1.6rem);line-height:1.5;
  max-width:42ch;color:var(--ink);margin-bottom:44px;
}
.cta-row{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;
  padding:14px 26px;border:1px solid var(--ink);border-radius:2px;
  color:var(--ink-strong);transition:all .2s;cursor:pointer;background:none;
}
.btn:hover{background:var(--ink);color:var(--bg)}
.btn.solid{background:var(--ink);color:var(--bg)}
.btn.solid:hover{background:var(--ink-strong);border-color:var(--ink-strong)}

/* ---------- SECTIONS ---------- */
section{padding:100px 0;border-bottom:1px solid var(--rule);position:relative;background:transparent}
.sec-label{margin-bottom:20px}
.sec-title{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(2rem,4.5vw,3.1rem);line-height:1.05;
  letter-spacing:-.015em;color:var(--ink-strong);max-width:20ch;margin-bottom:56px;
}
.thesis-lede{font-family:var(--serif);font-size:clamp(1.2rem,2.6vw,1.7rem);line-height:1.5;max-width:52ch;margin-bottom:64px;color:var(--ink)}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.pillar{background:var(--bg-card);padding:38px 32px}
.pillar h3{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:20px;font-weight:500}
.pillar p{font-size:.98rem;line-height:1.62;color:var(--ink)}
.pillar p strong{color:var(--ink-strong);font-weight:600}
@media(max-width:760px){.pillars{grid-template-columns:1fr}}

.threads{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.thread{background:var(--bg-card);padding:44px 40px;position:relative;min-height:210px;display:flex;flex-direction:column}
.thread .tag{position:absolute;top:24px;right:28px;font-family:var(--mono);font-size:.62rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-faint)}
.thread h3{font-family:var(--serif);font-weight:500;font-size:1.5rem;color:var(--ink-strong);margin-bottom:16px;letter-spacing:-.01em}
.thread p{font-size:.96rem;line-height:1.6;color:var(--ink-soft)}
@media(max-width:760px){.threads{grid-template-columns:1fr}}

.now-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-bottom:44px}
.now-card{border:1px solid var(--rule);border-radius:3px;padding:32px 28px;background:var(--bg-card)}
.status{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;position:relative}
.status.active{color:#3f7d54}.status.active .dot{background:#3f7d54}
.status.frozen{color:var(--ink-soft)}.status.frozen .dot{background:var(--ink-soft)}
.status.incub{color:var(--accent)}.status.incub .dot{background:var(--accent)}
.status.active .dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid #3f7d54;opacity:.6;animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.6}100%{transform:scale(2.4);opacity:0}}
.now-card p{font-size:.96rem;line-height:1.6;color:var(--ink)}
.now-note{font-family:var(--serif);font-style:italic;font-size:1.05rem;color:var(--ink-soft);max-width:56ch}
@media(max-width:760px){.now-grid{grid-template-columns:1fr}}

#signal{background:var(--bg-tint)}
.signal-box{max-width:600px}
.signal-box p{font-size:1.05rem;line-height:1.6;margin-bottom:32px;color:var(--ink)}
.sub-row{display:flex;gap:12px;flex-wrap:wrap}
.sub-row input{flex:1;min-width:220px;font-family:var(--sans);font-size:.95rem;padding:14px 18px;border:1px solid var(--rule);border-radius:2px;background:var(--bg-card);color:var(--ink-strong)}
.sub-row input::placeholder{color:var(--ink-faint)}
.sub-row input:focus{outline:none;border-color:var(--ink)}

footer{padding:64px 0 48px;position:relative}
.foot-inner{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:32px}
.socials{display:flex;gap:26px;flex-wrap:wrap}
.socials a{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);transition:color .2s}
.socials a:hover{color:var(--accent)}
.foot-meta{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;color:var(--ink-faint);line-height:1.9}
.disclaimer{margin-top:40px;padding-top:28px;border-top:1px solid var(--rule);font-family:var(--serif);font-style:italic;font-size:.98rem;color:var(--ink-soft)}