/* Shared styling for Knack articles.
   Kept in one file rather than inlined per page: six articles that drift apart
   visually look like six different sites. */
@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,700;12..96,800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{--canvas:#F4F0E8;--surface:#FFFDF9;--ink:#1F1B16;--muted:#7A7163;--line:#E7E0D3;--faint:#EFE9DE;--brand:#0D5D56;--brand-dk:#0A4A45;--tint:#E6EDE7;--deep:#052A26;--deep2:#083B34;--clay:#C0693C;--clay-lt:#DB7B45;--scale:#147D51;--iterate:#B26A00;--kill:#BC3A2B}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--canvas);color:var(--ink);font-family:'Inter',sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
.d{font-family:'Bricolage Grotesque',sans-serif}
.m{font-family:'JetBrains Mono',monospace}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.eyebrow{font-family:'JetBrains Mono';font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:13px 22px;border-radius:11px;border:1px solid var(--brand);background:var(--brand);color:#fff;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(13,93,86,.24)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink);box-shadow:none}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(244,240,232,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:22px;height:66px}
.brandmark{display:inline-flex;align-items:center;gap:9px;font-family:'Bricolage Grotesque';font-weight:800;font-size:19px;letter-spacing:-.02em}
.logo-badge{width:29px;height:29px;border-radius:8px;background:var(--brand);display:flex;align-items:center;justify-content:center}
.nav-links{display:flex;gap:24px;margin-left:12px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--muted);transition:color .13s}
.nav-links a:hover,.nav-links a.on{color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.nav-cta .login{font-size:14px;font-weight:500;color:var(--ink);padding:9px 4px}
.nav-cta .btn{padding:9px 17px;font-size:14px}
@media(max-width:820px){.nav-links,.nav-cta .login{display:none}}

/* article header */
.ahead{padding:54px 0 34px;border-bottom:1px solid var(--line)}
.ahead .cat{display:inline-block;font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:#fff;background:var(--brand);padding:5px 10px;border-radius:6px}
.ahead h1{font-family:'Bricolage Grotesque';font-weight:800;font-size:clamp(30px,4.6vw,48px);letter-spacing:-.03em;line-height:1.06;margin:18px 0 14px;max-width:820px}
.ahead .standfirst{font-size:19px;line-height:1.55;color:var(--muted);max-width:720px}
.ahead .meta{margin-top:22px;font-family:'JetBrains Mono';font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* body */
article{max-width:720px;margin:0 auto;padding:44px 24px 40px}
article h2{font-family:'Bricolage Grotesque';font-weight:800;font-size:27px;letter-spacing:-.02em;line-height:1.15;margin:44px 0 14px}
article h3{font-family:'Bricolage Grotesque';font-weight:700;font-size:20px;letter-spacing:-.01em;margin:32px 0 10px}
article p{font-size:17px;line-height:1.72;margin-bottom:18px}
article ul,article ol{margin:0 0 20px 22px}
article li{font-size:17px;line-height:1.7;margin-bottom:9px}
article strong{font-weight:600}
article a.ref{color:var(--brand);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
article a.ref:hover{color:var(--clay)}

/* pull-out for a cited figure */
.stat{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:12px;padding:22px 24px;margin:26px 0}
.stat .big{font-family:'Bricolage Grotesque';font-weight:800;font-size:34px;letter-spacing:-.03em;line-height:1;color:var(--brand)}
.stat .cap{font-size:14.5px;line-height:1.6;color:var(--muted);margin-top:10px}
.stat .cap a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}

/* caveat box — used wherever a cited figure has a known weakness */
.caveat{background:#FBF4EC;border:1px solid #E8D5C2;border-radius:12px;padding:18px 20px;margin:24px 0}
.caveat .lab{font-family:'JetBrains Mono';font-size:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--clay);margin-bottom:8px}
.caveat p{font-size:15px;line-height:1.62;margin:0;color:#6B5A4C}

/* what this means in Knack */
.inknack{background:var(--tint);border-radius:14px;padding:22px 24px;margin:30px 0}
.inknack .lab{font-family:'JetBrains Mono';font-size:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--brand-dk);margin-bottom:9px}
.inknack p{font-size:15.5px;line-height:1.65;margin:0;color:var(--brand-dk)}

/* table */
.tbl{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.tbl th{text-align:left;font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:0 12px 10px 0;border-bottom:1px solid var(--line)}
.tbl td{padding:11px 12px 11px 0;border-bottom:1px solid var(--faint);vertical-align:top}
.tbl td.num{font-family:'JetBrains Mono';font-weight:600;white-space:nowrap}

/* bar, for simple distributions */
.bars{margin:22px 0}
.bar-row{margin-bottom:13px}
.bar-top{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;margin-bottom:5px}
.bar-top .n{font-family:'JetBrains Mono';font-weight:600}
.bar-track{height:8px;border-radius:5px;background:var(--faint);overflow:hidden}
.bar-fill{height:100%;border-radius:5px;background:var(--brand)}

/* sources */
.sources{border-top:1px solid var(--line);margin-top:46px;padding-top:26px}
.sources h2{font-size:15px;font-family:'JetBrains Mono';font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}
.sources ol{margin-left:20px}
.sources li{font-size:14px;line-height:1.6;color:var(--muted);margin-bottom:11px}
.sources a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}

/* next up */
.nextup{background:var(--surface);border-top:1px solid var(--line);padding:46px 0 56px;margin-top:20px}
.nextup .lab{font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:18px}
.nextup .row{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.nextup a.card{display:block;background:var(--canvas);border:1px solid var(--line);border-radius:14px;padding:20px;transition:transform .15s,box-shadow .15s}
.nextup a.card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(31,27,22,.09)}
.nextup a.card .c{font-family:'JetBrains Mono';font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);font-weight:600}
.nextup a.card h4{font-family:'Bricolage Grotesque';font-weight:700;font-size:17px;letter-spacing:-.01em;margin:9px 0 0;line-height:1.3}

/* footer */
footer{background:var(--deep);color:#fff;padding:52px 0 28px}
footer .brandmark{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:30px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-brand p{color:rgba(255,255,255,.55);font-size:14px;line-height:1.6;margin-top:12px;max-width:260px}
.foot-col h4{font-size:12px;font-family:'JetBrains Mono';letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5);font-weight:600;margin-bottom:12px}
.foot-col a{display:block;font-size:14.5px;color:rgba(255,255,255,.8);margin-bottom:9px}
.foot-col a:hover{color:#fff}
.foot-btm{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:10.5px;letter-spacing:.12em;color:rgba(255,255,255,.4)}