/* ============================================================================
   Calibrated — Methods page. Same "Calibrated Scope" language as the other
   pages; prose-oriented (readable measure, clear section rhythm). Explains the
   approach in plain terms — no model internals.
   ============================================================================ */
:root{
  --bg:#0B1119; --panel:#121B27; --line:#23303F;
  --ink:#E6ECF3; --dim:#93A4B8;
  --green:#46E0A0; --cyan:#4FC8E6; --amber:#F2B544;
  --disp:"Chakra Petch",system-ui,sans-serif;
  --body:"Inter",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --r:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased}
a{color:var(--cyan)}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}

/* header (matches predictions.html) */
header{position:sticky;top:0;z-index:20;background:rgba(11,17,25,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:1040px;margin:0 auto;padding:0 24px}
.brand{font-family:var(--disp);font-weight:700;font-size:20px;letter-spacing:.04em;display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(70,224,160,.15)}
.nav nav{display:flex;gap:24px}
.nav nav a{font-family:var(--disp);font-size:13px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;color:var(--dim);padding:6px 2px;border-bottom:2px solid transparent}
.nav nav a:hover,.nav nav a.active{color:var(--ink);border-color:var(--green)}

/* page head */
.phead{padding:48px 0 8px}
.phead .label{font-family:var(--disp);text-transform:uppercase;letter-spacing:.16em;font-size:12px;color:var(--dim);font-weight:600;margin-bottom:12px}
.phead h1{font-family:var(--disp);font-weight:700;font-size:38px;margin:0 0 14px;letter-spacing:.01em;line-height:1.05}
.lead{font-size:18px;color:var(--dim);max-width:62ch}
.lead b{color:var(--ink);font-weight:600}

/* sections */
section.doc{padding:30px 0;border-top:1px solid var(--line);margin-top:28px}
section.doc:first-of-type{border-top:none;margin-top:8px}
.doc h2{font-family:var(--disp);font-weight:600;font-size:22px;margin:0 0 14px;letter-spacing:.01em;color:var(--ink)}
.doc h3{font-family:var(--disp);font-weight:600;font-size:15px;letter-spacing:.02em;margin:22px 0 6px;color:var(--ink)}
.doc p{margin:0 0 14px;color:#C7D0DC}
.doc p:last-child{margin-bottom:0}
.doc b{color:var(--ink);font-weight:600}
.doc strong{color:var(--ink);font-weight:600}
.doc ul{margin:0 0 14px;padding-left:0;list-style:none}
.doc li{position:relative;padding-left:22px;margin:8px 0;color:#C7D0DC}
.doc li::before{content:"›";position:absolute;left:4px;color:var(--green);font-family:var(--mono)}
.doc li b{color:var(--ink)}
.k{color:var(--green);font-weight:600}
.k.c{color:var(--cyan)} .k.a{color:var(--amber)}

/* callout */
.callout{border-left:2px solid var(--green);background:rgba(70,224,160,.06);border-radius:0 8px 8px 0;
  padding:14px 18px;margin:0 0 16px;font-size:15px;color:var(--ink)}
.callout.amber{border-left-color:var(--amber);background:rgba(242,181,68,.06)}

/* glossary */
.glossary{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:6px}
.grow{display:grid;grid-template-columns:200px 1fr;gap:0;border-bottom:1px solid var(--line)}
.grow:last-child{border-bottom:none}
.grow .t{padding:13px 16px;border-right:1px solid var(--line);background:var(--panel)}
.grow .t b{font-family:var(--disp);font-size:14px;color:var(--ink)}
.grow .t small{display:block;font-family:var(--mono);font-size:11px;color:var(--dim);margin-top:3px}
.grow .d{padding:13px 16px;font-size:14px;color:#C7D0DC}
@media(max-width:600px){.grow{grid-template-columns:1fr}.grow .t{border-right:none;border-bottom:1px solid var(--line)}}

/* footer */
footer{border-top:1px solid var(--line);margin-top:48px;padding:24px 0 48px}
.legal{font-size:12px;color:var(--dim);line-height:1.7;max-width:80ch;margin:0 auto;padding:0 24px;max-width:760px}
.legal a{color:var(--ink)}
.legal .age{font-family:var(--mono);color:var(--amber)}

:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:3px}

/* TOOLTIP */
.term{appearance:none;-webkit-appearance:none;font:inherit;color:inherit;background:none;border:0;
  border-bottom:1px dotted var(--cyan);padding:0;cursor:help;position:relative;
  text-transform:inherit;letter-spacing:inherit}
.term .tip{position:absolute;left:0;bottom:calc(100% + 8px);width:max-content;max-width:280px;
  background:#0d1726;border:1px solid var(--line);border-radius:8px;padding:9px 11px;
  font-family:var(--body);font-size:13px;font-weight:400;line-height:1.45;color:var(--ink);
  text-transform:none;letter-spacing:normal;text-align:left;white-space:normal;
  opacity:0;visibility:hidden;transform:translateY(4px);transition:opacity .14s ease,transform .14s ease;
  z-index:80;box-shadow:0 10px 28px rgba(0,0,0,.45);pointer-events:none}
.term:hover .tip,.term:focus .tip{opacity:1;visibility:visible;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.term .tip{transition:none}}