:root{
  --lakana-navy:#0A1625;
  --lakana-deep:#06111F;
  --lakana-teal:#0D7377;
  --lakana-teal-2:#46D6D1;
  --lakana-gold:#CF9D2A;
  --lakana-paper:#F4F6F9;
  --lakana-ink:#081322;
  --lakana-muted:#657386;
  --lakana-line:rgba(8,19,34,.16);
  --nicole:#7A45C8;
  --danger:#9E2F2F;
  --ok:#0D7377;
  --amber:#CF9D2A;
  --white:#fff;
}
*{box-sizing:border-box}
body.lakana-page{
  margin:0;
  background:
    radial-gradient(circle at 15% 0%, rgba(13,115,119,.10), transparent 34rem),
    linear-gradient(180deg,#F7FAFC 0%,#EEF3F7 45%,#F8FAFC 100%);
  color:var(--lakana-ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
.lakana-shell{max-width:1240px;margin:0 auto;padding:28px}
.lakana-topbar{
  position:sticky;top:0;z-index:40;
  background:rgba(10,22,37,.96);
  color:white;
  border-bottom:4px solid var(--lakana-teal);
  box-shadow:0 18px 40px rgba(10,22,37,.18);
}
.lakana-topbar-inner{
  max-width:1240px;margin:0 auto;padding:16px 22px;
  display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;
}
.lakana-brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:white}
.lakana-mark{
  width:48px;height:48px;border:2px solid var(--lakana-teal-2);border-radius:16px;
  display:grid;place-items:center;font-weight:1000;letter-spacing:.08em;
  background:linear-gradient(135deg,rgba(13,115,119,.25),rgba(207,157,42,.11));
}
.lakana-brand strong{display:block;font-size:1.02rem;letter-spacing:.09em;text-transform:uppercase}
.lakana-brand span{display:block;font-size:.75rem;color:rgba(255,255,255,.70);margin-top:2px}
.lakana-nav{display:flex;gap:8px;flex-wrap:wrap}
.lakana-nav a{
  text-decoration:none;color:white;border:1.4px solid rgba(70,214,209,.35);
  border-radius:999px;padding:10px 13px;font-weight:850;font-size:.82rem;
  background:rgba(255,255,255,.04);
}
.lakana-nav a:hover{background:rgba(70,214,209,.14);border-color:var(--lakana-teal-2)}
.hero-card{
  background:linear-gradient(135deg,var(--lakana-navy),#102B42);
  color:white;border-radius:34px;padding:44px;
  box-shadow:0 34px 80px rgba(10,22,37,.22);
  border:1px solid rgba(255,255,255,.12);
}
.kicker{font-size:.83rem;text-transform:uppercase;letter-spacing:.2em;font-weight:1000;color:var(--lakana-teal-2)}
.hero-card h1,.section-title{
  font-size:clamp(2.2rem,6vw,5.25rem);
  line-height:.93;margin:.25em 0;font-weight:1000;letter-spacing:-.065em;
}
.hero-card p{max-width:850px;font-size:1.12rem;line-height:1.7;color:rgba(255,255,255,.78)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.lakana-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 18px;border-radius:999px;
  text-decoration:none;border:1.5px solid var(--nicole);font-weight:950;
  color:var(--lakana-ink);background:white;
  box-shadow:0 12px 28px rgba(8,19,34,.10);
}
.lakana-btn.primary{background:linear-gradient(135deg,var(--lakana-teal),var(--lakana-teal-2));border-color:var(--nicole);color:#06111F}
.lakana-btn.dark{background:#10233A;color:white;border-color:rgba(70,214,209,.45)}
.grid{display:grid;gap:20px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:rgba(255,255,255,.92);
  border:1px solid rgba(8,19,34,.13);
  border-radius:28px;padding:24px;
  box-shadow:0 18px 48px rgba(10,22,37,.09);
}
.card.soft{background:rgba(244,246,249,.96)}
.card h2,.card h3{margin-top:0;letter-spacing:-.035em}
.card p,.card li{color:#4D5A6B;line-height:1.65}
.section{margin-top:34px}
.claim-ribbon{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;
  border-left:9px solid var(--nicole);
  background:white;border-radius:28px;padding:20px;
  box-shadow:0 18px 44px rgba(10,22,37,.10);
}
.claim-ribbon b{display:block;text-transform:uppercase;letter-spacing:.22em;font-size:.72rem;color:#7D8998;margin-bottom:8px}
.claim-ribbon span{font-weight:950;color:var(--lakana-ink)}
.authority-stack{position:relative;display:grid;gap:12px}
.authority-layer{
  border:1.5px solid rgba(13,115,119,.22);border-left:7px solid var(--lakana-teal);
  background:white;border-radius:24px;padding:18px;
  display:grid;grid-template-columns:86px 1fr auto;align-items:center;gap:16px;
}
.authority-layer[data-base="true"]{border-left-color:var(--lakana-gold);background:linear-gradient(90deg,rgba(207,157,42,.10),white)}
.authority-rank{
  width:66px;height:66px;border-radius:22px;display:grid;place-items:center;
  background:var(--lakana-navy);color:white;font-weight:1000;font-size:1.2rem;
}
.authority-layer h3{margin:0 0 4px 0}
.authority-layer p{margin:0;color:#526173;line-height:1.55}
.chip{
  display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(13,115,119,.25);
  background:rgba(13,115,119,.07);color:var(--lakana-teal);
  border-radius:999px;padding:7px 10px;font-weight:900;font-size:.78rem;
}
.math-block{
  background:#071423;color:#EFFBFF;border-radius:24px;padding:18px;
  border:1px solid rgba(70,214,209,.2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  overflow:auto;line-height:1.75;
}
.model-layout{display:grid;grid-template-columns:280px minmax(0,1fr) 330px;gap:18px;align-items:start}
.model-panel{
  background:white;border:1px solid rgba(8,19,34,.13);border-radius:28px;padding:18px;
  box-shadow:0 18px 45px rgba(10,22,37,.08);
}
.lens-list{display:grid;gap:10px}
.lens-button{
  width:100%;text-align:left;border:1.5px solid rgba(122,69,200,.35);
  background:white;border-radius:20px;padding:14px;cursor:pointer;color:var(--lakana-ink);
}
.lens-button.active{background:rgba(13,115,119,.08);border-color:var(--lakana-teal);box-shadow:inset 0 0 0 2px rgba(13,115,119,.08)}
.lens-button strong{display:block;font-size:.98rem}
.lens-button span{display:block;color:#657386;font-size:.82rem;margin-top:4px;line-height:1.45}
.form-row{display:grid;gap:8px;margin:14px 0}
.form-row label{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;font-weight:950;color:#667487}
input[type="range"]{width:100%;accent-color:var(--lakana-teal)}
select,input,button{font:inherit}
select,.field{
  width:100%;border:1.3px solid rgba(8,19,34,.16);border-radius:16px;
  padding:12px;background:white;color:var(--lakana-ink);font-weight:700;
}
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.metric{
  border:1px solid rgba(8,19,34,.10);border-radius:18px;padding:12px;background:#F7FAFC;
}
.metric b{display:block;font-size:.74rem;color:#657386;text-transform:uppercase;letter-spacing:.12em}
.metric span{display:block;font-size:1.18rem;font-weight:1000;margin-top:4px}
.twinshell{
  min-height:650px;border-radius:32px;border:1px solid rgba(8,19,34,.13);
  background:
    linear-gradient(rgba(13,115,119,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(13,115,119,.05) 1px,transparent 1px),
    #FCFEFF;
  background-size:48px 48px;
  position:relative;padding:20px;overflow:hidden;
}
.twin-title{position:absolute;left:22px;top:18px;z-index:5;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);border:1px solid rgba(8,19,34,.12);border-radius:22px;padding:14px;max-width:360px}
.twin-title h2{margin:0;font-size:1.15rem}
.twin-title p{margin:6px 0 0 0;color:#647286;line-height:1.45}
#lakanaTwin{width:100%;height:610px;display:block}
.body-region{cursor:pointer;transition:.2s}
.body-region:hover{filter:brightness(1.06);stroke:var(--nicole);stroke-width:3px}
.region-normal{fill:rgba(13,115,119,.55);stroke:rgba(8,19,34,.22);stroke-width:1.5px}
.region-amber{fill:rgba(207,157,42,.65)}
.region-red{fill:rgba(158,47,47,.64)}
.tsaro-ring{fill:none;stroke:var(--lakana-teal);stroke-width:4;stroke-dasharray:12 10;opacity:.75}
.tsaro-ring.warn{stroke:var(--lakana-gold)}
.tsaro-ring.fail{stroke:var(--danger)}
.spine{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-top:14px}
.spine-step{
  border:1px solid rgba(13,115,119,.25);border-radius:16px;padding:12px;background:#EFF8F8;
  font-weight:900;color:var(--lakana-teal);min-height:76px;
}
.spine-step.active{background:linear-gradient(135deg,rgba(13,115,119,.18),rgba(70,214,209,.16));box-shadow:0 0 0 3px rgba(13,115,119,.10)}
.spine-step.blocked{background:rgba(158,47,47,.08);border-color:rgba(158,47,47,.35);color:var(--danger)}
.progress-bar{height:16px;border-radius:999px;background:#E8EEF4;overflow:hidden;border:1px solid rgba(8,19,34,.12)}
.progress-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--lakana-teal),var(--lakana-gold));width:45%}
.privacy-flow{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.privacy-node{
  border:1px solid rgba(13,115,119,.25);background:rgba(13,115,119,.06);
  border-radius:16px;padding:10px 12px;font-weight:950;color:var(--lakana-teal);
}
.ledger{display:grid;gap:8px;max-height:330px;overflow:auto}
.ledger-entry{
  border:1px solid rgba(8,19,34,.10);border-radius:16px;background:#F7FAFC;padding:10px;
  font-size:.83rem;color:#405064;
}
.ledger-entry b{display:block;color:var(--lakana-ink);font-size:.8rem;text-transform:uppercase;letter-spacing:.09em}
.table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:20px;border:1px solid rgba(8,19,34,.13)}
.table th,.table td{padding:13px;border-bottom:1px solid rgba(8,19,34,.10);text-align:left;vertical-align:top}
.table th{background:#EEF6F6;text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;color:#536172}
.table tr:last-child td{border-bottom:0}
.lakana-home-insert{
  margin:18px auto;max-width:1180px;padding:16px 18px;border-radius:24px;
  background:linear-gradient(135deg,#0A1625,#102B42);color:white;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border:1px solid rgba(70,214,209,.25);box-shadow:0 16px 45px rgba(10,22,37,.18);
}
.lakana-home-insert strong{font-size:1rem}
.lakana-home-insert p{margin:4px 0 0;color:rgba(255,255,255,.68);font-size:.88rem}
.lakana-home-insert a{
  color:#06111F;background:linear-gradient(135deg,var(--lakana-teal-2),var(--lakana-gold));
  text-decoration:none;border-radius:999px;padding:10px 14px;font-weight:1000;border:1px solid var(--nicole);
}
@media (max-width:1050px){
  .model-layout{grid-template-columns:1fr}
  .grid.four,.grid.three,.grid.two{grid-template-columns:1fr}
  .claim-ribbon{grid-template-columns:1fr}
  .spine{grid-template-columns:repeat(2,minmax(0,1fr))}
  .authority-layer{grid-template-columns:60px 1fr}
  .authority-layer .chip{grid-column:1/-1;width:max-content}
  .hero-card{padding:30px}
}
@media (max-width:640px){
  .lakana-shell{padding:18px}
  .twin-title{position:relative;left:auto;top:auto;max-width:none;margin-bottom:14px}
  .twinshell{min-height:auto}
  #lakanaTwin{height:520px}
  .metric-grid{grid-template-columns:1fr}
}