/* ===========================================================
   LiquidityLogicSystem — stylesheet v3
   Light theme only. Baskerville throughout. Three.js hero retained.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root{
  --bg:#f7f5ef;
  --surface:#ffffff;
  --surface-2:#efece0;
  --border:#ddd6c2;
  --border-bright:#c7bd9c;
  --text:#221f18;
  --text-dim:#5a5544;
  --text-faint:#8b8570;
  --gold:#a9750c;
  --gold-soft:#c98d1a;
  --teal:#0c8c68;
  --mono:'JetBrains Mono', ui-monospace, monospace;
  --display:'Libre Baskerville', Baskerville, Georgia, serif;
  --sans:'Libre Baskerville', Baskerville, Georgia, serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;}
img{max-width:100%; display:block;}
::selection{background:var(--gold); color:#fff;}
.wrap{max-width:1180px; margin:0 auto; padding:0 32px; position:relative;}

@media(prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important;}
}

/* ---------- nav ---------- */
header.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; padding:16px 32px; max-width:1180px; margin:0 auto;}
.brand{display:flex; align-items:center; gap:10px;}
.brand .dot{width:7px; height:7px; border-radius:50%; background:var(--teal); box-shadow:0 0 10px var(--teal); animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}
.logo-badge{display:flex; align-items:center; justify-content:center; background:#fbf9ec; border-radius:5px; padding:5px 8px; border:1px solid var(--border);}
.logo-badge img{height:18px; display:block;}
nav.links{display:flex; gap:34px; font-size:14px; font-family:var(--mono); color:var(--text-dim);}
nav.links a{text-decoration:none; transition:color .2s;}
nav.links a:hover, nav.links a:focus-visible{color:var(--gold);}
@media(max-width:820px){ nav.links{display:none;} }
.nav-right{display:flex; align-items:center; gap:16px;}

/* ---------- hero (WebGL backdrop) ---------- */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center;
  border-bottom:1px solid var(--border); overflow:hidden;
}
#heroCanvas{position:absolute; inset:0; z-index:0; display:block;}
.hero::after{
  content:''; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:linear-gradient(90deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 60%, transparent) 42%, transparent 74%);
}
.hero-inner{position:relative; z-index:2; max-width:660px; padding-top:70px;}
.eyebrow{
  font-family:var(--mono); font-size:12.5px; color:var(--teal);
  letter-spacing:.08em; text-transform:uppercase;
  display:flex; align-items:center; gap:9px; margin-bottom:26px;
}
.eyebrow::before{content:''; width:20px; height:1px; background:var(--teal);}
h1{
  font-family:var(--display); font-weight:700; font-size:clamp(36px,5.2vw,58px);
  line-height:1.1; letter-spacing:-.005em; margin-bottom:26px;
}
h1 em{font-style:italic; color:var(--gold);}
.hero p.lead{font-size:18px; color:var(--text-dim); max-width:52ch; margin-bottom:36px;}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap;}

.btn{
  font-family:var(--mono); font-size:13px; padding:14px 24px;
  border-radius:2px; text-decoration:none; display:inline-flex; align-items:center; gap:9px;
  transition:all .2s; border:1px solid transparent;
}
.btn-primary{background:var(--gold); color:#fff; font-weight:600;}
.btn-primary:hover, .btn-primary:focus-visible{background:var(--gold-soft);}
.btn-ghost{border-color:var(--border-bright); color:var(--text);}
.btn-ghost:hover, .btn-ghost:focus-visible{border-color:var(--gold); color:var(--gold);}

.scroll-cue{
  position:absolute; bottom:34px; left:32px; z-index:2;
  font-family:var(--mono); font-size:11px; color:var(--text-faint);
  display:flex; align-items:center; gap:10px; letter-spacing:.08em; text-transform:uppercase;
}
.scroll-cue .line{width:1px; height:34px; background:linear-gradient(var(--gold), transparent); animation:scrollCue 2.2s ease-in-out infinite;}
@keyframes scrollCue{0%{transform:scaleY(0); transform-origin:top;}50%{transform:scaleY(1); transform-origin:top;}51%{transform-origin:bottom;}100%{transform:scaleY(0); transform-origin:bottom;}}

/* ---------- section shared ---------- */
section{padding:120px 0; position:relative; z-index:1;}
.section-head{max-width:62ch; margin-bottom:56px;}
.kicker{
  font-family:var(--mono); font-size:12px; color:var(--gold); letter-spacing:.1em;
  text-transform:uppercase; margin-bottom:14px; display:block;
}
h2{font-family:var(--display); font-size:clamp(27px,3.5vw,40px); font-weight:700; letter-spacing:-.005em; margin-bottom:14px;}
.section-head p{color:var(--text-dim); font-size:16px;}

.reveal{opacity:0; transform:translateY(40px);}

/* ---------- about ---------- */
.about{border-bottom:1px solid var(--border); background:var(--surface);}
.about-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start;}
@media(max-width:850px){ .about-grid{grid-template-columns:1fr;} }
.about-copy p{color:var(--text-dim); font-size:16.5px; margin-bottom:18px;}
.about-copy strong{color:var(--text); font-weight:700;}
.about-points{list-style:none; display:flex; flex-direction:column; gap:0;}
.about-points li{display:grid; grid-template-columns:40px 1fr; gap:16px; padding:20px 0; border-bottom:1px solid var(--border);}
.about-points li:first-child{padding-top:0;}
.about-points li:last-child{border-bottom:none;}
.about-points .mark{font-family:var(--mono); font-size:12px; color:var(--gold); padding-top:3px;}
.about-points b{display:block; color:var(--text); font-weight:700; margin-bottom:4px; font-family:var(--display); font-size:16px;}
.about-points span.d{color:var(--text-dim); font-size:14.5px;}

/* ---------- strategies (3D tilt cards) ---------- */
.strategies{border-bottom:1px solid var(--border);}
.strategy-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:4px; overflow:hidden;}
@media(max-width:820px){ .strategy-grid{grid-template-columns:1fr;} }
.strategy-card{
  background:var(--surface); padding:34px 28px; position:relative;
  transform-style:preserve-3d; will-change:transform;
}
.strategy-card::before{
  content:''; position:absolute; inset:0; background:radial-gradient(circle at var(--mx,50%) var(--my,50%), color-mix(in srgb, var(--gold) 12%, transparent), transparent 60%);
  opacity:0; transition:opacity .3s ease; pointer-events:none;
}
.strategy-card:hover::before{opacity:1;}
.strategy-card .tag{font-family:var(--mono); font-size:11px; color:var(--gold); margin-bottom:16px; letter-spacing:.06em;}
.strategy-card h3{font-size:19px; font-weight:700; margin-bottom:12px; font-family:var(--display);}
.strategy-card p{font-size:14.5px; color:var(--text-dim);}

/* ---------- process (scroll-scrubbed progress line) ---------- */
.process{border-bottom:1px solid var(--border); background:var(--surface);}
.process-body{display:grid; grid-template-columns:36px 1fr; gap:36px;}
.progress-track{position:relative; width:1px; background:var(--border);}
.progress-fill{position:absolute; top:0; left:0; width:100%; height:0%; background:linear-gradient(var(--gold), var(--teal));}
.process-list{list-style:none; display:flex; flex-direction:column; gap:64px;}
.process-step{position:relative; display:grid; grid-template-columns:100px 1fr; gap:24px; align-items:start;}
@media(max-width:700px){ .process-step{grid-template-columns:1fr;} }
.process-step .ghost-num{
  font-family:var(--display); font-weight:700; font-size:60px; line-height:1;
  color:transparent; -webkit-text-stroke:1px var(--border-bright);
}
.process-step h3{font-size:18px; font-weight:700; margin-bottom:8px; font-family:var(--display);}
.process-step p{font-size:15px; color:var(--text-dim); max-width:58ch;}

/* ---------- tech (real logos) ---------- */
.tech{border-bottom:1px solid var(--border);}
.tech-grid{display:flex; flex-wrap:wrap; gap:24px;}
.tech-chip{
  display:flex; align-items:center; gap:14px; padding:14px 20px 14px 14px;
  background:var(--surface); border:1px solid var(--border-bright); border-radius:4px;
  transition:transform .3s ease, box-shadow .3s ease;
}
.tech-chip:hover{transform:translateY(-4px); box-shadow:0 14px 28px -14px rgba(34,31,24,.25);}
.chip-logo{
  width:44px; height:44px; border-radius:6px;
  display:flex; align-items:center; justify-content:center;
  background:#fff; border:1px solid var(--border);
  transform-style:preserve-3d; transform:rotateX(16deg) rotateY(-16deg);
  box-shadow:0 1px 0 1px rgba(0,0,0,.05), -3px 5px 0 -1px rgba(0,0,0,.03), 0 8px 16px -8px rgba(0,0,0,.25);
  transition:transform .4s ease;
  padding:9px;
}
.tech-chip:hover .chip-logo{transform:rotateX(0) rotateY(0) scale(1.08);}
.chip-logo img{width:100%; height:100%; object-fit:contain;}
.chip-logo.mark{
  font-family:var(--mono); font-weight:700; font-size:12px; color:#fff;
  background:linear-gradient(135deg, var(--gold-soft), var(--gold));
  border:none;
}
.tech-chip span{font-size:15px; color:var(--text); font-weight:400; font-family:var(--sans);}
.tech-note{margin-top:22px; font-size:12.5px; color:var(--text-faint); font-family:var(--mono); max-width:64ch;}

/* ---------- disclaimer ---------- */
.disclaimer{border-bottom:1px solid var(--border);}
.disclaimer-box{
  border:1px solid var(--border-bright); border-radius:6px; padding:30px 32px;
  background:var(--surface-2);
}
.disclaimer-box h3{font-family:var(--display); font-size:17px; font-weight:700; margin-bottom:14px;}
.disclaimer-box p{font-size:14px; color:var(--text-dim); margin-bottom:12px;}
.disclaimer-box p:last-child{margin-bottom:0;}

/* ---------- contact (email only, no button) ---------- */
.cta{text-align:center; padding:150px 0;}
.cta .kicker{display:block; margin:0 auto 18px;}
.cta h2{margin-bottom:22px;}
.cta p.lead{color:var(--text-dim); max-width:52ch; margin:0 auto 44px; font-size:16px;}
.email-link{
  font-family:var(--display); font-weight:700; font-style:italic; font-size:clamp(22px,4vw,38px);
  color:var(--text); text-decoration:none;
  display:inline-block; position:relative; padding-bottom:10px;
  transition:color .25s ease;
}
.email-link::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:linear-gradient(90deg, var(--gold), var(--teal));
  transform:scaleX(0); transform-origin:left; transition:transform .4s ease;
}
.email-link:hover{color:var(--gold);}
.email-link:hover::after{transform:scaleX(1);}

footer{border-top:1px solid var(--border); padding:36px 0; position:relative; z-index:1;}
.footer-inner{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;}
footer .fbrand{font-family:var(--mono); font-size:13px; color:var(--text-faint); display:flex; align-items:center;}
footer .foot-logo{height:15px; margin-right:8px; border-radius:2px;}
footer .fmeta{font-size:12px; color:var(--text-faint); font-family:var(--mono);}