/* ===========================================================
   NEUROLE — shared styles
   Palette: off-white paper, ink black, neuro blue, synapse teal
=========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,600;0,700;0,800;1,600&family=Lora:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --paper:#F1F2F4;
  --paper-deep:#E4E6E9;
  --ink:#1C1E21;
  --ink-soft:#52565C;
  --rule:#D6D9DC;
  --neuro-blue:#9176B8;
  --neuro-blue-deep:#6B4F94;
  --neuro-blue-bright:#B49FD4;
  --synapse-teal:#B49FD4;
  --plum:#5A4380;
  --signal-red:#A8443A;
  --gold:#B68A3A;
  --paper-rgb:241,242,244;

  --serif-display:'Playfair Display', 'Times New Roman', serif;
  --serif-body:'Lora', Georgia, serif;
  --mono:'IBM Plex Mono', monospace;

  --max-w:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
header, section, main, footer{margin:0;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--serif-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}

.wrap{max-width:var(--max-w);margin:0 auto;padding:0 28px;}

/* ---------- masthead ---------- */
.masthead{
  border-bottom:2px solid var(--ink);
  background:var(--paper);
  position:sticky;top:0;z-index:50;
  margin:0 !important;
}
.masthead-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;max-width:var(--max-w);margin:0 auto;
  flex-wrap:wrap; gap:10px;
  position:relative;
}
.nav-left{display:flex;gap:22px;flex-wrap:wrap;align-items:center;}

/* Hamburger toggle — hidden by default (desktop/tablet show the full nav) */
.hamburger-btn{
  display:none;
  background:none;border:none;
  width:36px;height:30px;
  flex-direction:column;justify-content:center;gap:5px;
  cursor:pointer;
  padding:0;
}
.hamburger-btn span{
  display:block;height:2px;width:100%;background:var(--ink);
}

/* Phones only — iPad/tablet and up keep the normal full nav bar */
@media (max-width:600px){
  .hamburger-btn{display:flex;}
  .nav-left{
    display:none;
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
    position:absolute;
    top:100%;left:0;right:0;
    background:var(--paper);
    border-bottom:2px solid var(--ink);
    padding:18px 28px;
    z-index:60;
  }
  .nav-left.mobile-open{display:flex;}
}
.nav-left a, .nav-left button.linklike{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
  background:none;border:none;padding:0;
  border-bottom:1px solid transparent;
  transition:color .15s, border-color .15s;
}
.nav-left a:hover, .nav-left button.linklike:hover{
  color:var(--neuro-blue-deep);
  border-bottom-color:var(--neuro-blue-deep);
}
.brand{
  font-family:var(--serif-display);
  font-weight:800;
  font-size:30px;
  letter-spacing:.01em;
  color:var(--ink);
}
.brand .dot{color:var(--neuro-blue);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  width:100%;
  overflow:hidden;
  background:var(--paper);
  margin:0 !important;
  padding:0 !important;
  display:block;
}
.hero-img-wrap{
  position:relative;
  width:100%;
  height:300px;
  height:clamp(220px, 26vw, 360px);
  overflow:hidden;
  margin:0;
  background-image:url('assets/neuron-hero.webp');
  background-size:cover;
  background-position:50% 58%;
  background-color:var(--paper);
  filter:hue-rotate(55deg) saturate(1.15);
}

.hero-fade{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(241,242,244,0) 0%, rgba(241,242,244,0.18) 42%, rgba(241,242,244,0.95) 76%, var(--paper) 100%);
}
.hero-text{
  position:absolute;left:0;right:0;bottom:0;
  text-align:center;
  padding-bottom:26px;
}
.hero-text h1{
  font-family:var(--serif-display);
  font-weight:800;
  font-size:clamp(48px,9vw,108px);
  margin:0;
  color:var(--ink);
  letter-spacing:.01em;
}
.hero-text p{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.18em;
  font-size:13px;
  color:var(--neuro-blue-deep);
  margin:6px 0 0;
}

/* ---------- synapse divider (signature element) ---------- */
.synapse-rule{
  display:flex;align-items:center;gap:8px;
  margin:46px 0;
}
.synapse-rule::before, .synapse-rule::after{
  content:'';flex:1;height:1px;background:var(--rule);
}
.synapse-rule .node{
  width:6px;height:6px;border-radius:50%;
  background:var(--synapse-teal);
}
.synapse-rule .node:nth-child(2){background:var(--neuro-blue);width:8px;height:8px;}

/* ---------- sections ---------- */
section{padding:10px 0;}
.section-label{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--neuro-blue-deep);
  margin-bottom:8px;
}
h2.section-title{
  font-family:var(--serif-display);
  font-size:clamp(26px,3.6vw,38px);
  font-weight:700;
  margin:0 0 22px;
}

/* fun fact */
.factbox{
  background:var(--paper-deep);
  border:1px solid var(--rule);
  border-left:4px solid var(--gold);
  padding:26px 30px;
  border-radius:2px;
  display:flex;flex-direction:column;gap:10px;
}
.factbox p{margin:0;font-size:17px;}
.factbox .cite{
  font-family:var(--mono);font-size:12px;color:var(--ink-soft);
}
.factbox .cite a{color:var(--neuro-blue-deep);border-bottom:1px solid var(--neuro-blue-deep);}

/* games grid */
.games-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:10px;
}
@media (max-width:760px){.games-grid{grid-template-columns:1fr;}}
.game-card{
  background:#fff;
  border:1px solid var(--rule);
  padding:30px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .18s, box-shadow .18s, border-color .18s;
  position:relative;
  overflow:hidden;
}
.game-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg, var(--neuro-blue-bright), var(--neuro-blue-deep));
  opacity:0;transition:opacity .18s;
}
.game-card:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 26px rgba(30,28,33,0.12);
  border-color:var(--neuro-blue);
}
.game-card:hover::before{opacity:1;}
.game-card .icon{
  width:56px;height:56px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%, #fff, var(--paper-deep));
  border:1.5px solid var(--rule);
}
.game-card h3{
  font-family:var(--serif-display);font-size:24px;margin:0;
}
.game-card p{margin:0;color:var(--ink-soft);font-size:15px;}
.game-card .tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-soft);
  background:var(--paper-deep);
  border:1px solid var(--rule);
  display:inline-block;padding:3px 10px;border-radius:20px;
}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  background:linear-gradient(135deg, var(--neuro-blue-deep), var(--plum));
  color:#fff;
  padding:11px 18px;border:none;align-self:flex-start;
  transition:transform .15s, box-shadow .15s, background .2s;
  box-shadow:0 2px 0 rgba(0,0,0,0.08);
}
.btn:hover{
  background:linear-gradient(135deg, var(--neuro-blue-bright), var(--neuro-blue-deep));
  transform:translateY(-1px);
  box-shadow:0 6px 14px rgba(58,49,82,0.22);
}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn.ghost:hover{background:var(--ink);color:var(--paper);}

/* ---------- footer ---------- */
footer{
  border-top:2px solid var(--ink);
  margin-top:60px;
  padding:34px 0 26px;
  background:var(--paper-deep);
}
.social-row{
  display:flex;justify-content:center;gap:26px;margin-bottom:18px;
}
.social-row a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--ink-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);
  transition:background .15s, color .15s, border-color .15s;
}
.social-row a:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.social-row svg{width:17px;height:17px;}
.footer-fine{
  text-align:center;font-family:var(--mono);font-size:11.5px;color:var(--ink-soft);letter-spacing:.04em;
}

/* generic page header for sub-pages */
.page-hero{
  padding:54px 0 30px;border-bottom:1px solid var(--rule);
}
.page-hero h1{font-family:var(--serif-display);font-size:clamp(34px,5vw,52px);margin:0 0 8px;}
.page-hero p{color:var(--ink-soft);max-width:640px;margin:0;}

.back-home{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink-soft);
  margin-bottom:18px;
  transition:gap .15s, color .15s;
}
.back-home:hover{gap:11px;color:var(--ink);}
.back-home svg{width:16px;height:16px;}

/* card / panel generic */
.panel{
  background:#fff;border:1px solid var(--rule);padding:28px;
}

/* modal */
.modal-backdrop{
  position:fixed;inset:0;background:rgba(28,27,25,.5);
  display:none;align-items:center;justify-content:center;z-index:200;
  padding:20px;
}
.modal-backdrop.open{display:flex;}
.modal{
  background:var(--paper);max-width:480px;width:100%;
  border:2px solid var(--ink);padding:30px;position:relative;
}
.modal h3{font-family:var(--serif-display);margin-top:0;}
.modal .close{
  position:absolute;top:14px;right:16px;background:none;border:none;font-size:20px;
  font-family:var(--mono);color:var(--ink-soft);
}
.modal .close-left{
  position:absolute;top:14px;left:16px;background:none;border:none;font-size:20px;
  font-family:var(--mono);color:var(--ink-soft);
}
.modal .close-left:hover{color:var(--ink);}

.result-logo{
  text-align:center;margin:0 0 14px;
  font-family:var(--serif-display);font-weight:800;font-size:30px;color:var(--ink);
}
.result-logo .dot{color:var(--neuro-blue-deep);}
.result-headline{text-align:center;}
.result-headline h3{font-size:26px;margin:8px 0 4px;}
.result-stats{
  font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--ink-soft);
  text-align:center;margin-bottom:18px;
}
.share-row{display:flex;gap:10px;justify-content:center;margin-bottom:18px;flex-wrap:wrap;}
.share-row button{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;
  padding:9px 14px;border:1px solid var(--ink-soft);background:#fff;color:var(--ink);
  transition:background .15s,color .15s;
}
.share-row button:hover{background:var(--ink);color:#fff;}
.modal-actions{display:flex;flex-direction:column;gap:10px;}
.modal-actions .btn{width:100%;justify-content:center;}
.modal-actions .btn.ghost{background:transparent;}

.score-pill{
  font-family:var(--mono);font-size:12px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em;
  background:var(--paper-deep);
  border:1px solid var(--rule);
  padding:4px 11px;border-radius:20px;
}
.field label{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);}
.field input{
  font-family:var(--serif-body);font-size:15px;padding:9px 10px;
  border:1px solid var(--ink-soft);background:#fff;
}