:root { --bg:var(--ink); --surface:var(--ink-soft); --text:var(--paper); --muted:var(--paper-dim); --accent:var(--lime); --accent-soft:#242c17; --signal:#ffac78; --signal-soft:#30231c; --good:#c8ff4a; --f-display:var(--serif); --f-body:var(--sans); --f-mono:Consolas,monospace; --gutter:clamp(20px,4vw,56px); }
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--text);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--f-display);font-weight:600;line-height:1.15;text-wrap:balance;margin:0}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding-inline:var(--gutter)}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}

.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:10px}
.bar .who{font-family:var(--f-display);font-weight:600;font-size:17px;white-space:nowrap}
.bar nav{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.bar nav a{font-size:13px;color:var(--muted);text-decoration:none;padding:4px 10px;border-radius:999px}
.bar nav a:hover,.bar nav a.on{color:var(--text);background:var(--accent-soft)}
.prog{height:2px;background:var(--accent);width:0;transition:width .15s linear}
@media (max-width:820px){.bar nav{display:none}}

.slide{padding-block:clamp(56px,8vw,104px);border-bottom:1px solid var(--line);scroll-margin-top:56px}
.slide-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.slide-head h2{font-size:clamp(28px,3.6vw,42px);max-width:22ch}
.pg{font-family:var(--f-mono);font-size:12px;color:var(--muted)}

.cover{padding-block:clamp(64px,10vw,128px) clamp(48px,7vw,88px)}
.cover h1{font-size:clamp(44px,7.4vw,92px);letter-spacing:-.015em;font-weight:600;max-width:14ch;margin-top:18px}
.cover h1 em{font-style:italic;font-weight:400;color:var(--accent)}
.cover .lede{font-size:clamp(18px,2vw,22px);color:var(--muted);max-width:56ch;margin-top:26px;line-height:1.5}
.cover .lede strong{color:var(--text);font-weight:600}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:56px;border-top:1px solid var(--text)}
.fact{padding:18px 20px 0 0}
.fact+.fact{padding-left:20px;border-left:1px solid var(--line)}
.fact b{display:block;font-family:var(--f-display);font-size:clamp(32px,4vw,48px);font-weight:600;line-height:1}
.fact span{display:block;font-size:14px;color:var(--muted);margin-top:8px;max-width:22ch}
@media (max-width:760px){.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.fact:nth-child(3){border-left:0;padding-left:0}.fact{padding-bottom:20px}}
.contact-row{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:40px;font-size:14px}
.contact-row a{text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:2px}
.contact-row a:hover{border-color:var(--accent)}

.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
@media (max-width:860px){.cols{grid-template-columns:1fr}}
.pillar h3{font-size:22px;margin:10px 0 12px}
.pillar ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.pillar li{padding-left:16px;position:relative;color:var(--muted)}
.pillar li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:1px;background:var(--accent)}
.pillar li b{color:var(--text);font-weight:600}
.pillar .n{font-family:var(--f-mono);font-size:12px;color:var(--accent)}

.ledger{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.ledger-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:6px}
.ledger th{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);text-align:left;font-weight:400;padding:14px 18px;border-bottom:1px solid var(--line)}
.ledger td{padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.ledger tr:last-child td{border-bottom:0}
.ledger .big{font-family:var(--f-display);font-size:28px;font-weight:600;white-space:nowrap;line-height:1.1}
.ledger .what{min-width:220px}
.ledger .ctx{color:var(--muted);font-size:14px;min-width:200px}
.ledger a{text-decoration:none;font-size:13px;font-family:var(--f-mono);white-space:nowrap}

.case-top{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:900px){.case-top{grid-template-columns:1fr}}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:4px 9px;border-radius:3px;background:var(--accent-soft);color:var(--accent)}
.tag.alt{background:var(--signal-soft);color:var(--signal)}
.case h2{font-size:clamp(28px,3.6vw,44px);max-width:20ch}
.case .q{font-family:var(--f-display);font-style:italic;font-size:clamp(18px,1.8vw,21px);color:var(--muted);margin-top:16px;max-width:52ch;line-height:1.45}
.kpis{display:grid;gap:0;border-top:1px solid var(--text)}
.kpi{display:grid;grid-template-columns:auto 1fr;gap:4px 18px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line)}
.kpi b{font-family:var(--f-display);font-size:clamp(30px,3.4vw,42px);font-weight:600;line-height:1;min-width:4.2ch}
.kpi span{color:var(--muted);font-size:14px;line-height:1.45}
.kpi.sig b{color:var(--signal)}

.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:44px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.grid4>div{padding:22px 22px 24px;min-width:0}
.grid4>div+div{border-left:1px solid var(--line)}
@media (max-width:980px){.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid4>div:nth-child(3){border-left:0}.grid4>div:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:560px){.grid4{grid-template-columns:1fr}.grid4>div+div{border-left:0;border-top:1px solid var(--line)}}
.grid4 h3{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:400;margin-bottom:12px}
.grid4 ul{margin:0;padding-left:18px;display:grid;gap:7px;font-size:15px}
.grid4 p{font-size:15px}
.grid4 .signal{background:var(--signal-soft)}
.grid4 .signal h3{color:var(--signal)}

.figs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}
@media (max-width:760px){.figs{grid-template-columns:1fr}}
figure{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:14px;min-width:0}
figure img{display:block;width:100%;height:auto;border-radius:3px;background:#fff}
figcaption{font-size:13px;color:var(--muted);margin-top:10px}
.note{font-size:13px;color:var(--muted);margin-top:18px;max-width:80ch}

.flow{display:flex;align-items:stretch;gap:10px;flex-wrap:wrap;margin-top:28px}
.flow .step{flex:1 1 150px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:14px 16px;min-width:0}
.flow .step b{display:block;font-size:14px}
.flow .step small{color:var(--muted);font-size:13px;line-height:1.4;display:block;margin-top:4px}
.flow .arr{align-self:center;color:var(--muted);font-family:var(--f-mono)}
@media (max-width:640px){.flow .arr{display:none}}

.chart{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:18px 18px 12px;margin-top:28px}
.chart svg{width:100%;height:auto;display:block}
.chart .t{fill:var(--text);font-family:var(--f-body);font-size:13px}
.chart .m{fill:var(--muted);font-family:var(--f-mono);font-size:11px}
.chart .v{fill:var(--text);font-family:var(--f-mono);font-size:12px;font-weight:600}

.om{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:860px){.om{grid-template-columns:1fr}}
.om .card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:22px}
.om .card h3{font-size:20px;margin:8px 0 10px}
.om .card p{color:var(--muted);font-size:15px}
.cadence{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin-top:28px;border-top:1px solid var(--text)}
.cadence div{padding:16px 16px 0 0;font-size:14px;color:var(--muted);min-width:0}
.cadence div+div{padding-left:16px;border-left:1px solid var(--line)}
.cadence b{display:block;color:var(--text);font-size:15px;margin:6px 0 4px}
@media (max-width:860px){.cadence{grid-template-columns:1fr}.cadence div+div{border-left:0;padding-left:0;border-top:1px solid var(--line)}.cadence div{padding-bottom:14px}}

.stack{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.stack span{font-size:14px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}

.close{padding-block:clamp(64px,9vw,112px)}
.close h2{font-size:clamp(34px,5vw,60px);max-width:18ch}
.close p{color:var(--muted);font-size:18px;max-width:58ch;margin-top:20px}
.copy{display:inline-flex;align-items:center;gap:10px;margin-top:30px;flex-wrap:wrap}
.copy code{font-family:var(--f-mono);font-size:15px;padding:10px 14px;border:1px solid var(--line);border-radius:4px;background:var(--surface);user-select:all;word-break:break-all}
.copy button{font:600 14px var(--f-body);padding:10px 16px;border-radius:4px;border:1px solid var(--accent);background:var(--accent);color:var(--surface);cursor:pointer}
.foot{font-size:12px;color:var(--muted);padding-block:24px 40px}
.hint{font-family:var(--f-mono);font-size:11px;color:var(--muted)}

.site-header { background:var(--ink); }
.brand { color:var(--paper); }
.portfolio-main { padding-top:78px; }
.cover h1 { font-family:var(--sans); letter-spacing:-.055em; font-weight:560; }
.cover h1 em { font-family:var(--serif); }
.portfolio-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:30px; }
.portfolio-actions .button-primary { color:var(--ink); }
.portfolio-actions .button-ghost { color:var(--paper); }
.disclaimer { padding:20px 24px; margin-top:30px; border:1px solid var(--line); border-left:3px solid var(--lime); border-radius:6px; background:var(--surface); max-width:88ch; }
.disclaimer strong { display:block; margin-bottom:6px; color:var(--text); }
.disclaimer p, .case-disclaimer { color:var(--muted); font-size:14px; }
.case-disclaimer { margin-top:24px; padding-top:16px; border-top:1px solid var(--line); }
.section-index { display:flex; gap:10px; flex-wrap:wrap; margin-top:30px; }
.section-index a { border:1px solid var(--line); border-radius:999px; padding:8px 13px; font-size:13px; text-decoration:none; }
.section-index a:hover { background:var(--accent-soft); }
.slide { scroll-margin-top:75px; }
.copy button { color:var(--ink); }
.eyebrow { margin-bottom:0; }
@media (min-width:701px) and (max-width:1100px) { .brand-name { display:none; } .site-nav { gap:1.1rem; } }
@media (max-width:560px) { .kpi { grid-template-columns:1fr; } .ledger td,.ledger th { padding:12px; } .contact-row { overflow-wrap:anywhere; } }
@media print {
 @page { size:A4 landscape; margin:12mm; }
 :root { --bg:#fff; --surface:#fff; --text:#17202a; --muted:#495460; --line:#d2d7db; --accent:#315813; --accent-soft:#edf3e6; --signal:#8a461a; --signal-soft:#fbf1e8; }
 html,body { background:#fff; color:var(--text); overflow:visible; font-size:10px; }
 .site-header,.skip-link,.portfolio-actions,.section-index,.copy button,.site-footer { display:none!important; }
 .portfolio-main { padding:0; }
 .wrap { max-width:none; padding:0; }
 .slide,.close { break-before:page; padding:0; border:0; }
 .cover { break-before:auto; }
 .cover h1 { font-size:56px; max-width:19ch; }
 .cover .lede { font-size:17px; }
 .facts { margin-top:24px; } .fact b { font-size:30px; }
 .disclaimer { margin-top:22px; padding:12px 16px; }
 .disclaimer p,.case-disclaimer { font-size:10px; }
 .slide-head { margin-bottom:16px; } .slide-head h2,.case h2 { font-size:28px; }
 .case-top { grid-template-columns:1.35fr 1fr; gap:24px; }
 .case .q { font-size:15px; } .kpi { padding:9px 0; } .kpi b { font-size:27px; } .kpi span { font-size:11px; }
 .grid4 { grid-template-columns:repeat(4,minmax(0,1fr)); margin-top:20px; }
 .grid4>div { padding:12px; } .grid4 p,.grid4 ul { font-size:11px; }
 .grid4 h3 { font-size:9px; margin-bottom:8px; }
 .chart { margin-top:14px; padding:10px; } .chart svg { max-height:145px; }
 .figs { margin-top:14px; gap:14px; } figure img { max-height:145px; object-fit:contain; }
 figure { padding:8px; } figcaption,.note { font-size:10px; }
 .flow { margin-top:16px; } .flow .step b { font-size:11px; } .flow .step small { font-size:10px; }
 .case-disclaimer { margin-top:14px; padding-top:10px; }
 .ledger th,.ledger td { padding:10px; } .ledger .big { font-size:22px; } .ledger .ctx { font-size:11px; }
 .ledger .what { min-width:0; } .ledger .ctx { min-width:0; }
 .om { grid-template-columns:repeat(3,minmax(0,1fr)); } .cadence { grid-template-columns:repeat(5,minmax(0,1fr)); }
 .cols { grid-template-columns:repeat(3,minmax(0,1fr)); }
 .foot { padding-top:20px; font-size:10px; }
 a { color:inherit; } figure,.grid4,.disclaimer,.kpi { break-inside:avoid; }
 * { print-color-adjust:exact; -webkit-print-color-adjust:exact; }
}
@media print {
 .cover h1 { font-size:46px; }
 .cover .lede { font-size:15px; margin-top:16px; }
 .contact-row { margin-top:18px; font-size:11px; }
 .cover .disclaimer { margin-top:16px; }
 .case h2 { font-size:25px; max-width:26ch; }
 .case .q { font-size:14px; margin-top:12px; }
 .chart svg { max-height:110px; }
 figure img { max-height:105px; }
 .grid4 { margin-top:14px; }
 .grid4>div { padding:10px; }
 .grid4 ul { gap:4px; }
 .note { margin-top:10px; }
 .case-disclaimer { margin-top:10px; padding-top:8px; }
}