/* LESI Styles */
:root{
  --bg:#0b1220;
  --bg2:#0f1a33;
  --card:#0f1730;
  --ink:#e7eefc;
  --muted:#b7c2de;
  --line:#1b2744;
  --pri:#52ffe0;
  --pri2:#a0b3ff;
  --focus:#ffd166;
  --shadow:0 24px 80px -24px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(900px 500px at 80% -10%, rgba(82,255,224,.15), transparent 60%),
  radial-gradient(1400px 800px at -10% -20%, rgba(160,179,255,.12), transparent 60%),
  var(--bg);
  color:var(--ink);font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu}
img{max-width:100%;height:auto;display:block}

.wrap{width:min(1100px,92vw);margin:0 auto}
.row{display:flex;gap:16px}
.center{align-items:center}
.between{justify-content:space-between}

.hdr{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.7);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr .wrap{padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brand-text{font-weight:700}
.nav-btn{display:none;background:transparent;border:1px solid var(--line);color:var(--ink);padding:8px 10px;border-radius:10px}
.nav ul{display:flex;list-style:none;margin:0;padding:0;gap:16px;align-items:center}
.nav a{color:var(--ink);text-decoration:none;padding:8px 10px;border-radius:10px}
.nav a:hover{background:rgba(160,179,255,.12)}
.btn{display:inline-block;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#0b1220;border:0;border-radius:12px;padding:10px 16px;font-weight:800;text-decoration:none;box-shadow:var(--shadow)}
.btn.sm{padding:8px 12px}
.btn.outline{background:transparent;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn.outline:hover{border-color:var(--pri2);color:var(--pri2)}

@media (max-width:860px){
  .nav-btn{display:inline-block}
  .nav{display:none;position:absolute;right:16px;top:58px;background:var(--bg2);border:1px solid var(--line);border-radius:12px}
  .nav.open{display:block}
  .nav ul{flex-direction:column;padding:12px}
  .brand-text{display:none}
}

.hero{position:relative;padding:56px 0 24px}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.copy .lead{max-width:62ch;color:var(--muted);font-size:1.125rem}
.cta{display:flex;gap:12px;margin:12px 0 6px}
.chips{list-style:none;display:flex;gap:12px;flex-wrap:wrap;margin:8px 0 0;padding:0;color:var(--muted)}
.art{filter:drop-shadow(0 28px 80px rgba(160,179,255,.25))}
.hero .ring{position:absolute;inset:auto -120px -160px auto;opacity:.25;pointer-events:none;width:420px}

@media (max-width:900px){.grid-2{grid-template-columns:1fr}.art{order:-1}.hero .ring{display:none}}

.sec{padding:64px 0}
.alt{background:linear-gradient(180deg, rgba(160,179,255,.08), rgba(82,255,224,.05))}
.pills{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:10px}
.pill{background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:14px;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.list{padding-left:18px}
.btns{display:flex;gap:12px;margin-top:12px}

.pubs{display:grid;gap:16px}
.pub{border:1px solid var(--line);border-radius:14px;padding:16px;background:rgba(255,255,255,.02)}
.link{color:var(--pri2);text-decoration:none}

.form input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:#0e1831;color:var(--ink)}
.form label{display:block;font-weight:700;margin:10px 0 6px}
.muted{color:var(--muted);font-size:.95rem}

.pills,.cards-3,.grid-2{--cols:3}
@media (max-width:900px){
  .pills{grid-template-columns:1fr}
  .cards-3{grid-template-columns:1fr}
}

.ftr{border-top:1px solid var(--line);padding:26px 0 48px;background:linear-gradient(0deg, rgba(0,0,0,.2), transparent)}

h1,h2,h3{line-height:1.2;margin:0 0 12px}
h1{font-size:clamp(2rem,3.6vw,3rem)}
h2{font-size:clamp(1.6rem,2.5vw,2.2rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.3rem)}

.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:12px;top:12px;background:#fff;color:#000;padding:8px 10px;border-radius:8px;z-index:1000}
:focus-visible{outline:2px dashed var(--focus);outline-offset:3px}