:root{--ink:#18302d;--muted:#687673;--paper:#f5f3ec;--card:#fffef9;--line:#d9ddd5;--accent:#d99742;--accent2:#2f6b5e;--shadow:0 18px 50px rgba(22,48,45,.09)}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.65}
a{color:var(--accent2)}
.shell{max-width:980px;margin:auto;padding:28px 30px 56px}
header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:70px}
.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none}
.mark{width:39px;height:39px;border-radius:11px;background:var(--ink);display:grid;place-items:center;color:#f5c679;font-size:20px}
.brand strong{font-family:Georgia,serif;font-size:21px}
.brand .brand-copy span{display:block;color:var(--muted);font-size:12px;line-height:1.3;margin-top:2px}
.back{color:var(--ink);text-decoration:none;border:1px solid var(--line);background:rgba(255,255,255,.55);border-radius:99px;padding:8px 13px;font-size:13px}
.back:hover{background:white}
.eyebrow{text-transform:uppercase;letter-spacing:1.2px;color:var(--accent2);font-size:12px;font-weight:750;margin:0 0 14px}
h1{font:500 clamp(38px,6vw,64px)/1 Georgia,serif;letter-spacing:-1.8px;margin:0;max-width:760px}
.lede{font-size:19px;line-height:1.55;color:var(--muted);max-width:720px;margin:22px 0 40px}
.content{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:34px}
.content h2{font:500 27px/1.2 Georgia,serif;margin:0 0 10px}
.content h2:not(:first-child){margin-top:32px;padding-top:30px;border-top:1px solid #e7e9e3}
.content h3{font-size:16px;margin:0 0 5px}
.content p{margin:0;color:#53635f}
.content p+p{margin-top:12px}
.content ul,.content ol{color:#53635f;margin:12px 0 0;padding-left:22px}
.content li+li{margin-top:8px}
.content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.content th,.content td{padding:10px 12px;text-align:left;border-bottom:1px solid #e2e6df;vertical-align:top}
.content th{background:#f2f4ef;color:var(--ink)}
.content blockquote{margin:20px 0;border-left:4px solid var(--accent2);padding:4px 0 4px 18px;color:var(--ink);font:500 20px/1.45 Georgia,serif}
.article-nav{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.article-nav a{color:var(--ink);text-decoration:none;border:1px solid var(--line);background:rgba(255,255,255,.55);border-radius:99px;padding:7px 11px;font-size:13px}
.article-nav a:hover{background:white}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:12px;margin:18px 0 0}
.formula{margin:20px 0;background:#edf3ef;border-radius:12px;padding:16px 18px;color:var(--ink);font-weight:750;text-align:center}
.answer{margin:22px 0;border:1px solid #d9b06b;background:#fff8ed;border-radius:13px;padding:18px;color:#624716}
.answer strong{display:block;font-size:18px;margin-bottom:5px}
.answer p{color:#715c35}
.example-note{margin-top:30px;padding-top:18px;border-top:1px solid #e7e9e3;color:var(--muted);font-size:13px}
.example-note strong{display:block;color:var(--ink);font-size:14px;margin-bottom:3px}
.example-note p{color:var(--muted);font-size:13px}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
.article-link{display:block;border:1px solid var(--line);background:#fafaf7;border-radius:13px;padding:18px;text-decoration:none}
.article-link strong{display:block;color:var(--ink);font-size:16px;margin-bottom:5px}
.article-link span{color:var(--muted);font-size:14px;line-height:1.45}
.article-link:hover{background:#fff}
.source-list{font-size:13px}
.related{margin-top:30px;padding-top:26px;border-top:1px solid #e7e9e3}
.related h2{border:0!important;margin:0 0 12px!important;padding:0!important;font-size:22px!important}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}
.kpi{border:1px solid var(--line);background:#fafaf7;border-radius:12px;padding:15px}
.kpi span{display:block;color:var(--muted);font-size:12px}
.kpi strong{display:block;font:500 23px Georgia,serif;margin-top:4px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:25px}
.card{border:1px solid var(--line);background:#fafaf7;border-radius:13px;padding:18px}
.card p{font-size:14px;line-height:1.5}
.steps{display:grid;gap:12px;margin-top:22px}
.step{display:grid;grid-template-columns:38px 1fr;gap:13px;align-items:start;border-bottom:1px solid #e7e9e3;padding-bottom:14px}
.step:last-child{border:0;padding-bottom:0}
.number{width:34px;height:34px;border-radius:10px;background:#edf3ef;color:var(--accent2);display:grid;place-items:center;font-weight:800;font-size:13px}
.callout{margin-top:28px;border-left:4px solid var(--accent);background:#fff8ed;border-radius:0 11px 11px 0;padding:17px 19px;color:#624716}
.callout strong{display:block;margin-bottom:3px}
.callout p{color:#715c35;font-size:14px}
.button{display:inline-block;margin-top:26px;background:var(--ink);color:white;text-decoration:none;border-radius:10px;padding:11px 16px;font-weight:700;font-size:14px}
.button:hover{background:#25433f}
.updated{font-size:12px;color:var(--muted);margin-top:18px}
footer{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:24px 4px 0;color:var(--muted);font-size:12px}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-links a{color:var(--ink);text-decoration:none}
.footer-links a:hover{text-decoration:underline}
@media(max-width:700px){.shell{padding:18px 14px 40px}header{margin-bottom:46px;align-items:flex-start}.brand .brand-copy span{display:none}.back{display:none}.article-nav{justify-content:flex-end}.cards,.article-list,.kpis{grid-template-columns:1fr}.content{padding:24px 20px;overflow:auto}.content table{min-width:560px}footer{align-items:flex-start;flex-direction:column}.lede{font-size:17px}}