:root{
  --ink:#0E1333; --ink-2:#171D45; --ink-3:#242B5E;
  --paper:#F6F4EE; --paper-2:#EDEAE0; --card:#FFFFFF;
  --text:#14172B; --muted:#5B607A; --line:#D9D5C8;
  --gold:#C9A24A; --gold-2:#E3C77A; --gold-ink:#7A5E1E; --gold-soft:#F5EBCF;
  --green:#1F8A5B; --red:#B8433F; --amber:#B97A1C;
  --radius:4px;
  --display:"Bricolage Grotesque","IBM Plex Sans",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0B0F2B; --paper-2:#101538; --card:#131846;
    --text:#ECE9E0; --muted:#A3A7C2; --line:#2A3166;
    --gold-soft:#2A2A3F; --gold-ink:#E3C77A;
    --ink:#060922; --ink-2:#0E1333; --ink-3:#171D45;
  }
}
:root[data-theme="dark"]{
  --paper:#0B0F2B; --paper-2:#101538; --card:#131846;
  --text:#ECE9E0; --muted:#A3A7C2; --line:#2A3166;
  --gold-soft:#2A2A3F; --gold-ink:#E3C77A;
  --ink:#060922; --ink-2:#0E1333; --ink-3:#171D45;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%}
h1,h2,h3,h4{font-family:var(--display);line-height:1.1;margin:0 0 .5em;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5.5vw,4.2rem);font-weight:700}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:600}
h3{font-size:1.25rem;font-weight:600}
h4{font-size:1rem;font-weight:600}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding-inline:20px}
.narrow{max-width:760px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-ink);margin-bottom:.8rem}
.chip{display:inline-block;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;padding:.2rem .5rem;border:1px solid var(--line);border-radius:999px;color:var(--muted);vertical-align:middle}
.chip.gold{border-color:var(--gold);color:var(--gold-ink);background:var(--gold-soft)}
.chip.green{border-color:var(--green);color:var(--green)}
.chip.red{border-color:var(--red);color:var(--red)}
.chip.amber{border-color:var(--amber);color:var(--amber)}

/* header */
.top{position:sticky;top:0;z-index:20;background:var(--ink);color:#F3EFE4;border-bottom:1px solid #2A3166}
.top .wrap{display:flex;align-items:center;gap:1.5rem;height:62px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-family:var(--display);font-weight:700;letter-spacing:.02em;font-size:1.05rem}
.brand svg{width:28px;height:28px}
.nav{display:flex;gap:1.1rem;margin-left:auto;font-size:.9rem}
.nav a{text-decoration:none;color:#C9CBE0}
.nav a:hover,.nav a.on{color:#fff}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.1rem;border:1px solid var(--gold);border-radius:var(--radius);background:var(--gold);color:#1A1507;font-weight:600;font-family:var(--body);font-size:.92rem;text-decoration:none;cursor:pointer;line-height:1.2}
.btn:hover{background:var(--gold-2);border-color:var(--gold-2)}
.btn.ghost{background:transparent;color:inherit;border-color:currentColor;opacity:.9}
.btn.ghost:hover{opacity:1;background:rgba(255,255,255,.06)}
.btn.sm{padding:.4rem .8rem;font-size:.82rem}
.btn[disabled],.btn.disabled{opacity:.5;cursor:not-allowed}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid #3A4180;color:#fff;border-radius:4px;padding:.4rem .6rem;font-family:var(--mono);font-size:.8rem}

/* sections */
section{padding-block:72px;border-bottom:1px solid var(--line)}
section.dark{background:var(--ink);color:#F3EFE4;border-color:#2A3166}
section.dark .muted{color:#B5B8D0}
section.dark .eyebrow{color:var(--gold-2)}
section.tint{background:var(--paper-2)}
.grid{display:grid;gap:1.25rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
@media (max-width:900px){.g3,.g4,.g5{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.g2,.g3,.g4,.g5{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem}
section.dark .card{background:var(--ink-2);border-color:#2A3166}
.card h3{margin-top:0}
.callout{border-left:3px solid var(--gold);background:var(--gold-soft);padding:1rem 1.2rem;border-radius:0 var(--radius) var(--radius) 0;margin:1.25rem 0}
section.dark .callout{background:rgba(201,162,74,.12)}
.lead{font-size:1.15rem;max-width:62ch}
ul.clean{list-style:none;padding:0;margin:0}
ul.clean li{padding:.45rem 0;border-bottom:1px solid var(--line)}
ul.clean li:last-child{border-bottom:0}
ul.dots{padding-left:1.2rem;margin:.5rem 0 1rem}
ul.dots li{margin:.3rem 0}

/* hero */
.hero{background:var(--ink);color:#F3EFE4;border-bottom:1px solid #2A3166;padding-block:80px 56px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(201,162,74,0) 0,rgba(201,162,74,.08) 100%),
  repeating-linear-gradient(0deg,transparent 0 47px,rgba(255,255,255,.035) 47px 48px);pointer-events:none}
.hero .wrap{position:relative}
.hero h1{max-width:14ch}
.hero .lead{color:#C9CBE0}
.hero-ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.6rem 0 2.4rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#2A3166;border:1px solid #2A3166}
.stats div{background:var(--ink-2);padding:1rem 1.1rem}
.stats .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:#9DA1C2}
.stats .v{font-family:var(--display);font-size:1.7rem;font-weight:600;margin-top:.2rem}
.stats .v small{font-size:.8rem;color:#9DA1C2;font-family:var(--mono);font-weight:400}
@media (max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}

/* flow */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}
.flow div{padding:1rem;border-right:1px solid var(--line);position:relative}
.flow div:last-child{border-right:0}
.flow .n{font-family:var(--mono);font-size:.7rem;color:var(--gold-ink);letter-spacing:.1em}
.flow b{display:block;font-family:var(--display);font-size:1.05rem;margin:.25rem 0}
.flow p{margin:0;font-size:.88rem;color:var(--muted)}
@media (max-width:900px){.flow{grid-template-columns:1fr}.flow div{border-right:0;border-bottom:1px solid var(--line)}.flow div:last-child{border-bottom:0}}
.pipe{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.85rem;margin:1rem 0}
.pipe span{padding:.45rem .7rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
.pipe i{color:var(--gold-ink);font-style:normal}
section.dark .pipe span{background:var(--ink-2);border-color:#3A4180}

/* tables */
table{width:100%;border-collapse:collapse;font-size:.92rem}
th{text-align:left;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:#F3EFE4;background:var(--ink);padding:.6rem .8rem}
td{padding:.65rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
tr:nth-child(even) td{background:rgba(0,0,0,.025)}
section.dark th{background:#060922}
section.dark td{border-color:#2A3166}
section.dark tr:nth-child(even) td{background:rgba(255,255,255,.03)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.pct{display:grid;grid-template-columns:65fr 15fr 20fr;height:38px;border-radius:var(--radius);overflow:hidden;font-family:var(--mono);font-size:.8rem;margin:1rem 0}
.pct div{display:flex;align-items:center;justify-content:center;color:#fff}
.pct .a{background:#2B3A8C}.pct .b{background:#8B6A1E}.pct .c{background:#1F8A5B}

/* steps / roadmap */
.steps{counter-reset:s;display:grid;gap:.6rem}
.steps li{list-style:none;display:grid;grid-template-columns:44px 1fr;grid-template-areas:"n t" "n d";column-gap:.8rem;row-gap:.15rem;align-items:start;padding:.9rem 1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
.steps li:before{counter-increment:s;content:counter(s,decimal-leading-zero);grid-area:n;font-family:var(--mono);color:var(--gold-ink);font-size:1.1rem;padding-top:.1rem}
.steps b{grid-area:t;display:block;font-family:var(--display)}
.steps span{grid-area:d;color:var(--muted);font-size:.92rem}
section.dark .steps li{background:var(--ink-2);border-color:#2A3166}
section.dark .steps span{color:#B5B8D0}
dl.glossary{display:grid;grid-template-columns:180px 1fr;gap:.4rem 1rem;margin:0}
dl.glossary dt{font-family:var(--mono);font-size:.85rem;color:var(--gold-ink)}
dl.glossary dd{margin:0;color:var(--muted)}
@media (max-width:600px){dl.glossary{grid-template-columns:1fr}}

/* footer */
footer{background:var(--ink);color:#B5B8D0;padding-block:40px;font-size:.88rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:space-between;align-items:center}
footer a{color:#D5D7E8;text-decoration:none;margin-right:1rem}
.legal{font-size:.82rem;color:var(--muted);border:1px solid var(--line);padding:1rem;border-radius:var(--radius)}

/* app */
.app{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 62px)}
.side{background:var(--paper-2);border-right:1px solid var(--line);padding:1.2rem .9rem}
.side a{display:flex;align-items:center;gap:.6rem;padding:.6rem .7rem;border-radius:var(--radius);text-decoration:none;color:var(--text);font-size:.93rem}
.side a.on{background:var(--ink);color:#fff}
.side a .k{font-family:var(--mono);font-size:.7rem;color:var(--gold-ink);width:18px}
.side a.on .k{color:var(--gold-2)}
.side .hd{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:1rem .7rem .4rem}
.main{padding:1.6rem 2rem 4rem}
.pane{display:none}.pane.on{display:block}
.pane>header{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;margin-bottom:1.2rem}
.pane>header h2{margin:0}
.pane>header .right{margin-left:auto;display:flex;gap:.5rem;align-items:center}
@media (max-width:900px){.app{grid-template-columns:1fr}.side{display:flex;overflow-x:auto;gap:.3rem;padding:.6rem;border-right:0;border-bottom:1px solid var(--line)}.side .hd{display:none}.side a{white-space:nowrap}.main{padding:1.2rem 16px 3rem}}
.form{display:grid;gap:1rem}
.f{display:grid;gap:.35rem}
.f label{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.f input,.f select,.f textarea{font:inherit;padding:.65rem .75rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);color:var(--text);width:100%}
.f .hint{font-size:.82rem;color:var(--muted)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:600px){.row{grid-template-columns:1fr}}
.seg{display:flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.seg button{flex:1;padding:.7rem .6rem;background:var(--card);border:0;color:var(--text);font:inherit;cursor:pointer;border-right:1px solid var(--line)}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--ink);color:#fff}
.seg small{display:block;font-size:.72rem;color:var(--muted);font-family:var(--mono)}
.seg button.on small{color:#C9CBE0}
.kv{display:grid;grid-template-columns:1fr auto;gap:.4rem 1rem;font-size:.92rem}
.kv dt{color:var(--muted);white-space:nowrap}.kv dd{margin:0;font-family:var(--mono);text-align:right;word-break:break-all}
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:1.2rem}
.kpi div{background:var(--card);padding:.9rem 1rem}
.kpi .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.kpi .v{font-family:var(--display);font-size:1.5rem;font-weight:600;margin-top:.15rem}
.kpi .v small{font-size:.75rem;font-family:var(--mono);color:var(--muted);font-weight:400}
@media (max-width:700px){.kpi{grid-template-columns:repeat(2,1fr)}}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:.7rem 1rem;border-radius:var(--radius);border:1px solid var(--gold);font-size:.9rem;opacity:0;pointer-events:none;transition:opacity .2s;z-index:50;max-width:92vw}
.toast.show{opacity:1}
.tlist tr{cursor:pointer}
.tlist tr:hover td{background:var(--gold-soft)}
.pos{color:var(--green)}.neg{color:var(--red)}
.bar{height:8px;background:var(--line);border-radius:999px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--gold)}
.note{font-size:.82rem;color:var(--muted)}
.spark{width:100%;height:60px}
.badge-ex{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);border:1px dashed var(--amber);padding:.1rem .4rem;border-radius:3px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}