:root{
  --ink:#10151f; --muted:#5f6878; --paper:#fffaf0; --card:#ffffff; --line:#e7dcc9;
  --night:#111827; --blue:#1d4ed8; --green:#2f7d50; --gold:#d6952d; --red:#9f2d2d;
  --shadow:0 24px 80px rgba(17,24,39,.16); --radius:24px; --max:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;color:var(--ink);background:var(--paper);font:18px/1.65 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif} 
a{color:#185abc;text-decoration-thickness:.08em;text-underline-offset:.18em} a:hover{color:#0f3e85}
.hero{margin:0;padding:72px max(22px,calc((100vw - var(--max))/2 + 22px)) 38px;color:white;background:linear-gradient(180deg,#101827 0,#172033 100%)}.eyebrow{letter-spacing:.16em;text-transform:uppercase;color:#f5c766;font-size:.78rem;font-weight:800}.hero h1{font-family:ui-serif,Georgia,Cambria,Times New Roman,serif;font-size:clamp(3rem,7vw,6.8rem);line-height:.92;margin:.18em 0 .22em;max-width:1050px}.subtitle{font-size:clamp(1.08rem,2vw,1.45rem);max-width:850px;color:#d7e0ef}.meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.pill{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#eef4ff;border-radius:999px;padding:8px 12px;font-size:.85rem}.shell{max-width:var(--max);margin:0 auto 70px;padding:0 22px}.panel{background:rgba(255,250,240,.96);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.topbar{position:sticky;top:0;z-index:5;background:rgba(255,250,240,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 18px}.brand{font-weight:900}.nav{display:flex;gap:10px;overflow:auto;white-space:nowrap}.nav a{color:#344054;text-decoration:none;font-size:.82rem;border:1px solid #eadfce;border-radius:999px;padding:5px 10px;background:white}.section{padding:36px clamp(20px,4vw,58px);border-bottom:1px solid var(--line)}.section.dark{background:#151d2c;color:white}.section.dark p{color:#d8e0ef}.section h2,.content h2{font-family:ui-serif,Georgia,Cambria,Times New Roman,serif;font-size:clamp(2rem,4vw,3.3rem);line-height:1.05;margin:.15em 0 .45em}.deck{font-size:1.18rem;color:#394150;max-width:860px}.brief-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.brief-card{background:white;border:1px solid var(--line);border-radius:18px;padding:20px;min-height:210px}.brief-card h3{font-size:1.05rem;margin:0 0 8px;color:#172033}.brief-card p{font-size:.96rem;margin:0;color:#4c5668}.matrix{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.matrix-card{background:#fff;border:1px solid var(--line);border-top:5px solid var(--gold);border-radius:18px;padding:18px}.matrix-card:nth-child(2){border-top-color:var(--green)}.matrix-card:nth-child(3){border-top-color:var(--blue)}.matrix-card:nth-child(4){border-top-color:var(--red)}.matrix-card h3{margin:.1em 0 .35em;font-size:1rem}.matrix-card p{margin:0;color:#4c5668;font-size:.95rem}.content{padding:34px clamp(20px,5vw,86px);background:#fffdf8}.content h1{display:none}.content h2{margin-top:2.2em;border-top:1px solid var(--line);padding-top:1.2em}.content h2:first-child{margin-top:.3em;border-top:0}.content h3{font-size:1.35rem;margin-top:1.7em}.content p{max-width:880px}.content li{max-width:860px;margin:.25em 0}.content strong{color:#111827}.table-wrap{overflow:auto;margin:22px 0;border:1px solid var(--line);border-radius:16px}table{border-collapse:collapse;width:100%;font-size:.92rem;background:#fff}th,td{border-bottom:1px solid #eee2ce;padding:12px;text-align:left;vertical-align:top}th{background:#f6ebd9;color:#172033}.callout{border-left:6px solid var(--gold);background:#fff8e8;padding:20px 22px;border-radius:16px;margin:24px 0;max-width:880px}.artifact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.qa-card{background:#f7fbff;border:1px solid #d9e8ff;border-radius:18px;padding:20px}.qa-card h3{margin-top:0}.footnote-block{background:#111827;color:#e5e7eb;padding:42px clamp(20px,5vw,86px)}.footnote-block h2{font-family:ui-serif,Georgia,Cambria,Times New Roman,serif;font-size:2.4rem}.footnotes{font-size:.9rem}.footnotes li{margin:.6em 0}.footnotes a{color:#93c5fd}.footer{padding:28px clamp(20px,5vw,86px);background:#0b1020;color:#cbd5e1;font-size:.9rem}@media(max-width:900px){.brief-grid,.matrix,.artifact-grid{grid-template-columns:1fr}.hero{padding-top:42px;padding-bottom:46px}.topbar{position:relative;align-items:flex-start;flex-direction:column}.nav{width:100%}.section{padding:28px 18px}.content{padding:26px 18px}.hero h1{font-size:3rem}.subtitle{color:#e3e9f4}.pill{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);color:#fff}}
@media print{body{background:white}.hero,.topbar,.section:not(.print-keep),.footer{display:none}.panel{box-shadow:none;border:0}.content{padding:0}.content h1{display:block}.content a{color:#000}.footnote-block{background:white;color:#000;padding:0}.footnotes a{color:#000}}