/* Layout: 12-column modular grid, flush left; black band + huge bold title; heavy rules; one red accent (spec/style/governing-style.jsonl, option C) */
:root{--ink:#000;--paper:#fff;--accent:#E3000F;--grey:#595959;--line:#000;
--font:'Helvetica Neue',Inter,Arial,sans-serif;--title:clamp(44px,9vw,128px);--h2:clamp(24px,3.2vw,32px);--body:18px;--small:14px;
--rule-heavy:8px solid var(--ink);--rule-section:4px solid var(--ink);--rule-row:1px solid var(--ink);--gutter:24px;--max:1280px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ink:#fff;--paper:#000;--accent:#FF3B30;--grey:#B3B3B3;color-scheme:dark}}
:root[data-theme="dark"]{--ink:#fff;--paper:#000;--accent:#FF3B30;--grey:#B3B3B3;color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--font);font-size:var(--body);line-height:1.5;margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:clamp(16px,4vw,48px);padding-block:0 64px}
.band{background:var(--ink);color:var(--paper);padding-inline:clamp(16px,4vw,48px)}
.band .in{max-width:var(--max);margin:0 auto;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between;min-height:64px;padding-block:10px}
.brand{font-weight:800;letter-spacing:.06em;font-size:14px;text-transform:uppercase}
.preview{font-size:12px;font-weight:700;letter-spacing:.06em;border:2px solid var(--paper);padding:2px 8px;text-transform:uppercase}
nav.tabs{display:flex;flex-wrap:wrap;gap:0;border-bottom:var(--rule-heavy);margin-top:32px}
nav.tabs button{font:inherit;font-weight:700;font-size:16px;background:none;color:var(--ink);border:0;border-bottom:8px solid transparent;margin-bottom:-8px;padding:10px 20px 10px 0;cursor:pointer}
nav.tabs button[aria-selected="true"]{border-bottom-color:var(--accent)}
nav.tabs button:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1{font-size:var(--title);line-height:.95;font-weight:800;letter-spacing:-.02em;margin:40px 0 24px;text-wrap:balance;max-width:14ch}
h2{font-size:var(--h2);line-height:1.1;font-weight:700;margin:48px 0 12px;border-top:var(--rule-section);padding-top:10px;text-wrap:balance}
h3{font-size:var(--small);text-transform:uppercase;letter-spacing:.06em;margin:24px 0 8px}
p{max-width:65ch;margin:0 0 12px}
.lede{font-size:clamp(18px,2vw,22px);max-width:52ch}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gutter)}
.c4{grid-column:span 4}.c6{grid-column:span 6}.c8{grid-column:span 8}.c12{grid-column:span 12}
@media (max-width:860px){.c4,.c6,.c8{grid-column:span 12}}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));border-top:var(--rule-heavy);margin-top:16px}
.kpi{padding:12px 16px 12px 0;border-bottom:var(--rule-row)}
.kpi span{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.kpi b{display:block;font-size:clamp(28px,3.4vw,40px);line-height:1.1;font-variant-numeric:tabular-nums}
.kpi.hot b{color:var(--accent)}
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
th{text-align:left;font-size:13px;text-transform:uppercase;letter-spacing:.06em;border-bottom:4px solid var(--ink);padding:8px 8px 8px 0}
td{border-bottom:var(--rule-row);padding:10px 8px 10px 0;vertical-align:top;min-height:44px}
.n{text-align:right}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border:2px solid var(--ink);padding:1px 6px;white-space:nowrap}
.tag.red{background:var(--accent);border-color:var(--accent);color:#fff}
.bar{height:14px;background:var(--ink)}
.bar.red{background:var(--accent)}
.search{display:flex;gap:0;border:4px solid var(--ink);margin:8px 0 4px}
.search input{flex:1;min-width:0;font:inherit;font-size:20px;border:0;padding:12px;background:var(--paper);color:var(--ink)}
.search button{font:inherit;font-weight:700;border:0;background:var(--ink);color:var(--paper);padding:0 20px;cursor:pointer}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 16px}
.chips button{font:inherit;font-size:14px;background:none;color:var(--ink);border:2px solid var(--ink);padding:4px 10px;cursor:pointer}
.hit{border-bottom:var(--rule-row);padding:14px 0}
.hit h4{margin:0 0 4px;font-size:18px}
.hit .src{font-size:13px;color:var(--grey);text-transform:uppercase;letter-spacing:.04em}
.hit p{font-size:16px;margin:6px 0 0}
mark{background:var(--ink);color:var(--paper);padding:0 2px}
.steps{list-style:none;padding:0;margin:0;counter-reset:s}
.steps li{display:grid;grid-template-columns:48px 1fr;gap:12px;border-bottom:var(--rule-row);padding:12px 0}
.steps li::before{counter-increment:s;content:counter(s);font-weight:800;font-size:28px;line-height:1}
.note{font-size:var(--small);color:var(--grey)}
.example{border:4px solid var(--ink);padding:16px;margin-top:16px}
.example .head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;border-bottom:var(--rule-row);padding-bottom:8px;margin-bottom:8px}
svg text{fill:var(--ink)}
footer{border-top:var(--rule-heavy);margin-top:64px;padding-top:12px;font-size:var(--small)}
@media (prefers-reduced-motion:no-preference){nav.tabs button{transition:border-color .12s}}

a{color:inherit} .brand{color:var(--paper);text-decoration:none}
.wrap.narrow{max-width:640px}
.form{display:grid;gap:8px;margin:16px 0;max-width:480px}
.form label{font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.06em;margin-top:8px}
.form input{font:inherit;font-size:20px;padding:10px;border:4px solid var(--ink);background:var(--paper);color:var(--ink);border-radius:0}
.form button,.signout button{font:inherit;font-weight:700;background:var(--accent);color:#fff;border:0;padding:14px 20px;cursor:pointer;justify-self:start;margin-top:12px}
.signout{display:inline}.signout button{background:var(--paper);color:var(--ink);padding:4px 10px;margin:0;font-size:14px}
.error{border-left:8px solid var(--accent);padding-left:12px}
.boardlink{font-weight:700;color:var(--paper)}