:root{
  --bg:#EEF0EC;--surface:#F8F9F6;--ink:#121614;--muted:#48514C;--line:#C5CBC5;
  --dark:#121614;--dark-2:#171C19;--dark-line:#2C3430;--dark-text:#E7EBE6;--dark-muted:#A3ADA6;
  --yellow:#F2C21B;--red:#FF8A7A;--green:#7FD3A2;--done:#1D6A44;--focus:#1E5BD8;
  --display:'Big Shoulders Display','Arial Narrow',sans-serif;
  --sans:'Public Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --pad:clamp(16px,4vw,48px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--ink)}a:hover{color:var(--muted)}
a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
h1,h2,h3,p,ul,ol,dl,figure{margin:0}
ul,ol{padding:0;list-style:none}
.wrap{max-width:1240px;margin:0 auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:4px;z-index:100}
.skip:focus{left:8px;color:var(--bg)}

/* type */
.eyebrow{font:12px var(--mono);letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.display{font-family:var(--display);font-weight:800;text-wrap:balance}
h1.display{font-size:clamp(3.25rem,8vw,6.75rem);line-height:.9;letter-spacing:.005em}
h2.display{font-size:clamp(2.5rem,5.5vw,4.25rem);line-height:.95}
.lede{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--muted);max-width:58ch}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:24px}
.sec-head>div{display:flex;flex-direction:column;gap:16px;max-width:760px}
.sec-head>p{max-width:420px;color:var(--muted)}
.hl{background:var(--yellow);color:var(--ink);padding:0 6px}

/* buttons */
.btn{display:inline-flex;align-items:center;min-height:48px;padding:14px 22px;border-radius:4px;font:600 15px var(--sans);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .15s,background .15s,color .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:var(--bg)}.btn-dark:hover{background:#2a322e;color:var(--bg)}
.btn-line{border-color:var(--ink);color:var(--ink)}.btn-line:hover{background:var(--ink);color:var(--bg)}
.btn-yellow{background:var(--yellow);color:var(--ink);font-weight:700}.btn-yellow:hover{background:#ffd23a;color:var(--ink)}
.btn-ghost{background:transparent;color:var(--dark-text);border-color:var(--dark-line)}.btn-ghost:hover{border-color:var(--dark-muted);color:#fff}

/* header */
header.site{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;background:rgba(238,240,236,.92);backdrop-filter:blur(8px)}
header.site nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 32px;padding-block:12px}
.brand{display:flex;align-items:baseline;gap:12px;text-decoration:none}
.brand b{font:800 26px/1 var(--display);letter-spacing:.06em}
.brand span{font:12px var(--mono);color:var(--muted)}
.links{display:flex;flex-wrap:wrap;align-items:center;gap:4px 28px;font-size:14px}
.links a{text-decoration:none;color:var(--muted);padding:12px 0;position:relative}
.links a:not(.btn):hover{color:var(--ink)}
.links a.active:not(.btn){color:var(--ink)}
.links a.active:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--yellow)}
.links .btn{min-height:44px;padding:10px 18px;font-size:14px;color:var(--bg)}
@media(max-width:720px){.brand span{display:none}.links{gap:2px 18px}}

/* hero */
.hero{padding-block:clamp(56px,8vw,104px) 72px;display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.hero-copy{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:28px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.console{flex:1 1 440px;min-width:0;background:#151A18;color:#D9DED9;border-radius:6px;overflow:hidden;box-shadow:0 24px 60px -30px rgba(18,22,20,.6)}
.tape{background:var(--yellow);color:var(--ink);font:600 11px var(--mono);letter-spacing:.18em;white-space:nowrap;overflow:hidden;padding:7px 0}
.tape span{display:inline-block;padding-left:0;animation:tape 28s linear infinite}
@keyframes tape{to{transform:translateX(-50%)}}
.log{padding:16px 18px;display:flex;flex-direction:column;gap:2px;font:12.5px/1.5 var(--mono)}
.row{display:flex;flex-wrap:wrap;gap:4px 14px;padding:9px 4px;border-bottom:1px solid #262E2A}
.row:last-child{border-bottom:0}
.row .t{color:#85908A;flex:none}
.row .k{color:var(--yellow);flex:none;width:72px}
.row .m{flex:1 1 200px;min-width:0}
.row .s{flex:none;font-weight:600;color:#D9DED9}
.s.bad{color:var(--red)}.s.ok{color:var(--green)}
figcaption{font-size:12px;line-height:1.5;color:var(--dark-muted)}
.console figcaption{padding:12px 18px;border-top:1px solid #262E2A}
.js .log .row{opacity:0;transform:translateY(6px)}
.js .log.play .row{animation:in .45s ease forwards;animation-delay:calc(var(--i)*.55s + .3s)}
@keyframes in{to{opacity:1;transform:none}}

/* stats */
.stats{border-block:1px solid var(--line)}
.stats .wrap{display:flex;flex-wrap:wrap}
.stat{flex:1 1 240px;padding:36px 32px 36px 0;display:flex;flex-direction:column;gap:10px}
.stat .n{font:800 60px/1 var(--display)}
.stat p{font-size:15px;line-height:1.5;color:var(--muted)}
.stat .src{font:11px var(--mono);letter-spacing:.08em}

/* sections */
section.pad{padding-block:112px}
#how{display:flex;flex-direction:column;gap:48px;padding-bottom:104px}
.cards{display:flex;flex-wrap:wrap;gap:24px}
.card{flex:1 1 420px;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:36px 32px;display:flex;flex-direction:column;gap:18px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--ink);transform:translateY(-2px)}
.card-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px}
.card h3{font:800 44px/1 var(--display)}
.card .tag{font:12px var(--mono);letter-spacing:.06em;color:var(--muted)}
.card .strong{font-size:18px;line-height:1.5;font-weight:600}
.card>p:not(.strong){color:var(--muted)}
.ticks{border-top:1px solid var(--line)}
.ticks li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
.bar{background:var(--dark);color:var(--dark-text);border-radius:6px;padding:32px;display:flex;flex-wrap:wrap;align-items:center;gap:20px 40px}
.bar>div{flex:1 1 260px;display:flex;flex-direction:column;gap:8px}
.bar h3{font:800 40px/1 var(--display)}
.badge{align-self:flex-start;font:600 12px var(--mono);letter-spacing:.06em;color:var(--ink);background:var(--yellow);padding:4px 8px;border-radius:3px}
.bar>p{flex:2 1 420px;min-width:0;color:var(--dark-muted)}

/* ledger */
.dark{background:var(--dark);color:var(--dark-text)}
.dark .eyebrow{color:var(--dark-muted)}
#ledger .wrap{padding-block:112px;display:flex;flex-wrap:wrap;gap:56px;align-items:start}
.col{flex:1 1 420px;min-width:0;display:flex;flex-direction:column;gap:24px}
#ledger h2{font-size:clamp(2.75rem,6vw,4.75rem);line-height:.92}
#ledger .col>p{font-size:17px;color:var(--dark-muted);max-width:52ch}
.mono{font-family:var(--mono);color:var(--dark-text)}
dl{display:flex;flex-direction:column;border-top:1px solid var(--dark-line)}
dl>div{display:flex;flex-wrap:wrap;gap:4px 20px;padding:14px 0;border-bottom:1px solid var(--dark-line)}
dt{flex:0 0 150px;font:600 14px var(--mono)}
dd{margin:0;flex:1 1 240px;font-size:15px;color:var(--dark-muted)}
.term{flex:1 1 480px;min-width:0;background:#0A0D0C;border:1px solid var(--dark-line);border-radius:6px;overflow:hidden}
.term-h{padding:12px 18px;border-bottom:1px solid var(--dark-line);font:11px var(--mono);letter-spacing:.1em;color:#85908A}
.term-b{overflow-x:auto}
pre{margin:0;padding:20px 18px;font:12.5px/1.7 var(--mono);color:#D9DED9}
.term figcaption{padding:12px 18px;border-top:1px solid var(--dark-line)}
.f{color:var(--red);font-weight:600}.v{color:var(--green);font-weight:600}.d{color:#85908A}

/* record table */
#record{display:flex;flex-direction:column;gap:44px;padding-bottom:96px}
.tbl{overflow-x:auto;border-top:2px solid var(--ink)}
table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;line-height:1.55}
th{text-align:left;padding:14px 24px 14px 0;font:500 11px var(--mono);letter-spacing:.1em;color:var(--muted)}
td{padding:22px 24px 22px 0;vertical-align:top;color:var(--muted)}
tbody tr{border-top:1px solid var(--line);transition:background .15s}
tbody tr:last-child{border-bottom:1px solid var(--line)}
tbody tr:hover{background:rgba(248,249,246,.9)}
td:first-child{font:13px var(--mono)}
td:nth-child(2){font-weight:600;color:var(--ink)}
td:last-child,th:last-child{padding-right:0}
td mark{background:var(--yellow);padding:1px 6px;font-weight:600;color:var(--ink)}

/* open source */
#open{border-top:1px solid var(--line)}
#open .wrap{padding-block:112px;display:flex;flex-wrap:wrap;gap:64px;align-items:start}
#open .col{flex-basis:440px}
#open .col>p{font-size:17px;color:var(--muted);max-width:52ch}
.charge{border-top:1px solid var(--line)}
.charge .cap{padding:14px 0 6px;font:11px var(--mono);letter-spacing:.1em;color:var(--muted)}
.charge div.i{padding:10px 0;border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:4px 16px}
.charge b{flex:0 0 220px}
.charge span{flex:1 1 240px;color:var(--muted);font-size:15px}
.road{flex:1 1 440px;min-width:0;display:flex;flex-direction:column;gap:16px}
.road .cap{font:11px var(--mono);letter-spacing:.1em;color:var(--muted)}
.road ol{border-top:2px solid var(--ink)}
.road li{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.road li b{flex:none;width:44px;font:800 26px var(--display)}
.road li span{flex:1;min-width:0}
.road li em{flex:none;font:normal 12px var(--mono);color:var(--muted)}
.road li.done em{color:var(--done);font-weight:600}
.road li.plan{color:var(--muted)}.road li.plan b{color:var(--muted)}
.road li.next{background:var(--yellow)}.road li.next b{padding-left:8px}.road li.next span{font-weight:600}
.road li.next em{padding-right:10px;color:var(--ink);font-weight:600}
.road small{font-size:13px;line-height:1.5;color:var(--muted)}

/* principles */
#principles{background:var(--surface);border-block:1px solid var(--line)}
#principles .wrap{padding-block:104px;display:flex;flex-wrap:wrap;gap:56px}
#principles .intro{flex:1 1 360px;display:flex;flex-direction:column;gap:18px}
#principles .intro p:last-child{font-size:17px;color:var(--muted);max-width:44ch}
.prin{flex:1 1 560px;display:flex;flex-direction:column}
.prin div{display:flex;flex-direction:column;gap:4px;padding:20px 0;border-top:1px solid var(--line)}
.prin div:last-child{border-bottom:1px solid var(--line)}
.prin b{font-size:18px}.prin span{font-size:15px;line-height:1.55;color:var(--muted)}

/* who */
#who{display:flex;flex-direction:column;gap:48px}
#who .head{display:flex;flex-direction:column;gap:16px;max-width:760px}
.three{display:flex;flex-wrap:wrap;gap:40px}
.three>div{flex:1 1 280px;display:flex;flex-direction:column;gap:12px;border-top:2px solid var(--ink);padding-top:24px}
.three h3{font-size:20px;font-weight:700}.three p{color:var(--muted)}

/* briefing */
#briefing .wrap{padding-block:112px;display:flex;flex-wrap:wrap;gap:56px;align-items:start}
#briefing .col{flex-basis:520px}
#briefing h2{font-size:clamp(3rem,7vw,5.5rem);line-height:.9}
#briefing h2 .hl{padding:0 8px}
#briefing .col>p{color:var(--dark-muted);font-size:17px;max-width:52ch}
#briefing .col>p.sm{font-size:15px}
#briefing .col a{color:var(--dark-text);font-weight:600}
.mail{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;gap:18px;background:var(--dark-2);border:1px solid var(--dark-line);border-radius:6px;padding:32px}
.mail .eyebrow{letter-spacing:.12em}
.mail a.addr{color:var(--dark-text);font:800 clamp(2rem,4vw,2.75rem)/1.05 var(--display);text-decoration:none;overflow-wrap:anywhere}
.mail a.addr:hover{color:var(--yellow)}
.mail p{font-size:15px;color:var(--dark-muted)}.mail p.sm{font-size:13px;line-height:1.5}

/* footer */
footer .wrap{padding-block:44px 60px;display:flex;flex-direction:column;gap:28px}
footer{border-top:1px solid var(--line)}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
.foot-top b{font:800 22px var(--display);letter-spacing:.06em;display:block}
.foot-top span,.foot-links{font-size:14px;color:var(--muted)}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 28px}
.sources{font-size:12px;line-height:1.7;color:var(--muted)}

/* reveal */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .tape span{animation:none}
  .js .rv,.js .log .row{opacity:1!important;transform:none!important;animation:none!important;transition:none}
  .btn,.card{transition:none}
}
@media print{header.site{position:static}.tape{display:none}}