:root{
  --accent:#ffb020;
  --accent-hi:#ffcb63;
  --bg:#0a0b0d;
  --bg-2:#0c0e11;
  --bg-3:#08090b;
  --line:#191c21;
  --line-2:#26292f;
  --line-3:#2b2f36;
  --ink:#e8e6e1;
  --ink-2:#9aa0a8;
  --ink-3:#8b8f96;
  --ink-4:#6d727a;
  --ink-5:#5f646c;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --display:'Archivo','Helvetica Neue',Helvetica,sans-serif;
  --ink-inv:#e8e6e1;
  --sans:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg)}
body{color:var(--ink);font-family:var(--sans);min-height:100vh;overflow-x:hidden}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hi)}
::selection{background:var(--accent);color:var(--bg)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3{margin:0}
@keyframes vg-sweep{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes vg-blip{0%,100%{opacity:.25;transform:scale(.7)}45%{opacity:1;transform:scale(1)}}

/* ---- chrome ---- */
.bg-grid,.bg-fade{position:fixed;inset:0;pointer-events:none;z-index:0}
.bg-grid{background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:64px 64px}
.bg-fade{background:radial-gradient(ellipse 110% 70% at 50% 0%,rgba(10,11,13,0) 22%,var(--bg) 82%)}
.page{position:relative;z-index:1}
.wrap{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}

/* ---- header ---- */
.site-head{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:22px;padding-bottom:22px}
.brand{display:flex;align-items:center;gap:11px}
/* logo mark — 3x3 topic grid, one paid cell */
.mark{display:grid;grid-template-columns:repeat(3,var(--cell,8px));grid-template-rows:repeat(3,var(--cell,8px));gap:var(--cell-gap,3px);flex:none}
.mark i{background:var(--mark-ink,var(--ink-inv));display:block}
.mark i:nth-child(5){background:var(--accent)}
.brand .mark{--cell:9px;--cell-gap:3px}
.brand-name{font-family:var(--display);font-size:19px;letter-spacing:-.01em;display:flex;align-items:baseline;line-height:1}
.brand-name b{font-weight:700}
.brand-name span{font-weight:400}
.brand-name em{font-style:normal;font-weight:700;color:var(--accent)}
.site-nav{display:flex;align-items:center;gap:28px;font-family:var(--mono);font-size:12.5px;letter-spacing:.1em}
.site-nav a{color:var(--ink-3)}
.site-nav a:hover{color:var(--ink)}
.nav-cta{color:var(--bg)!important;background:var(--ink);padding:9px 16px;border-radius:2px;font-weight:600}
.nav-cta:hover{background:var(--accent);color:var(--bg)!important}

/* ---- hero ---- */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;padding-top:60px;padding-bottom:92px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line-2);border-radius:2px;padding:7px 12px;font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;color:var(--ink-3);margin-bottom:32px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:vg-blip 1.8s ease-in-out infinite}
.hero h1{font-size:72px;line-height:.98;letter-spacing:-.035em;font-weight:700;margin-bottom:26px;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--accent)}
.lede{font-size:19px;line-height:1.62;color:var(--ink-2);max-width:540px;margin:0 0 22px;text-wrap:pretty}
.lede-2{font-size:16px;line-height:1.6;color:var(--ink-4);max-width:540px;margin:0 0 38px;text-wrap:pretty}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:2px;font-size:15px;font-weight:600}
.btn span{font-family:var(--mono)}
.btn-primary{background:var(--accent);color:var(--bg);padding:15px 26px}
.btn-primary:hover{background:var(--accent-hi);color:var(--bg)}
.btn-secondary{border:1px solid var(--line-3);color:var(--ink);font-weight:500;padding:14px 24px}
.btn-secondary:hover{border-color:#585e68;color:var(--ink)}
.stats{display:flex;gap:44px;margin-top:54px;font-family:var(--mono);flex-wrap:wrap}
.stat-v{font-size:20px;color:var(--ink);letter-spacing:-.01em}
.stat-k{font-size:11.5px;letter-spacing:.14em;color:var(--ink-4);margin-top:7px}

/* ---- radar ---- */
.radar{position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center}
.radar>div{position:absolute}
.radar-ring{inset:0;border-radius:50%;border:1px solid #1d2026;background:radial-gradient(circle at 50% 50%,rgba(255,176,32,.07),transparent 62%)}
.radar-rings{inset:0;border-radius:50%;background:repeating-radial-gradient(circle at 50% 50%,transparent 0 56px,rgba(255,176,32,.14) 56px 57px)}
.radar-v{left:50%;top:0;bottom:0;width:1px;background:rgba(255,176,32,.12)}
.radar-h{top:50%;left:0;right:0;height:1px;background:rgba(255,176,32,.12)}
.radar-sweep{inset:0;border-radius:50%;background:conic-gradient(from 0deg,rgba(255,176,32,0) 0deg,rgba(255,176,32,0) 290deg,rgba(255,176,32,.20) 358deg,rgba(255,176,32,.42) 360deg);animation:vg-sweep 5.5s linear infinite;will-change:transform}
.no-motion .radar-sweep{animation:none}
.blip{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px rgba(255,176,32,.9);animation:vg-blip 3.4s ease-in-out infinite}
.blip-1{left:31%;top:26%}
.blip-2{left:69%;top:44%;animation-delay:.9s}
.blip-3{left:44%;top:73%;animation-delay:1.9s}
.blip-4{left:24%;top:62%;width:6px;height:6px;opacity:.5;animation-delay:2.6s}
.radar-core{position:relative;width:124px;height:124px;border-radius:50%;border:1px solid var(--line-3);background:#0d0f12;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--ink-3);text-align:center;line-height:1.7}

/* ---- problem band ---- */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.band .wrap{padding-top:76px;padding-bottom:76px}
.band h2{font-size:40px;line-height:1.1;letter-spacing:-.025em;font-weight:600;margin-bottom:54px;max-width:720px;text-wrap:balance}
.cells{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cell{background:var(--bg);padding:34px 30px}
.cell-num{font-family:var(--mono);font-size:12px;color:var(--ink-4);margin-bottom:16px}
.cell h3{font-size:19px;font-weight:600;margin-bottom:12px;letter-spacing:-.01em}
.cell p{font-size:15px;line-height:1.65;color:var(--ink-3);margin:0;text-wrap:pretty}

/* ---- flows ---- */
.flows{padding-top:96px;padding-bottom:96px}
.rule{height:1px;background:var(--line);margin:78px 0 56px}
.flows h3{font-size:28px;line-height:1.15;letter-spacing:-.02em;font-weight:600;margin-bottom:12px}
.flows .sub{font-size:16px;line-height:1.6;color:var(--ink-3);max-width:640px;margin:0 0 44px}
.slab{border:1px solid var(--line);background:var(--bg-2)}
.slab-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding:22px 26px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.slab-head .t{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;color:var(--ink)}
.slab-head .c{font-family:var(--mono);font-size:12.5px;color:var(--ink-4)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.step{background:var(--bg);padding:26px 24px}
.step-k{font-family:var(--mono);font-size:11.5px;color:var(--accent);margin-bottom:12px}
.topic-bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px;padding:28px 26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-3)}
.topic-bar .side{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--ink-4);line-height:2}
.topic-bar .side.r{text-align:right}
.topic-box{border:1px solid var(--accent);padding:16px 26px;text-align:center}
.topic-box .t{font-family:var(--mono);font-size:15px;color:var(--accent);letter-spacing:.06em}
.topic-box .s{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ink-4);margin-top:9px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line)}
.hairline{border-top:1px solid var(--line)}

/* ---- close ---- */
.close .wrap{padding-top:104px;padding-bottom:104px;text-align:center}
.close h2{font-size:52px;line-height:1.05;letter-spacing:-.03em;font-weight:700;margin-bottom:20px;text-wrap:balance}
.close p{font-size:18px;color:var(--ink-3);margin:0 0 38px}
.close .btn-row{justify-content:center}
.close .btn-primary{font-size:16px;padding:17px 32px}

/* ---- footer ---- */
.site-foot{border-top:1px solid var(--line)}
.foot-brand{display:flex;align-items:center;gap:11px}
.foot-brand .mark{--cell:7px;--cell-gap:2px}
.foot-brand .brand-name{font-size:15px}
.palette{display:flex;gap:0;padding:3px;background:var(--ink);flex:none}
.swatch{width:26px;height:26px}
.swatch+.swatch{margin-left:3px}
.site-foot .wrap{padding-top:34px;padding-bottom:34px;display:flex;align-items:center;justify-content:space-between;gap:18px 24px;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;color:var(--ink-5);flex-wrap:wrap}
.site-foot a{color:var(--ink-5)}
.site-foot a:hover{color:var(--accent)}

@media (max-width:960px){
  .hero{grid-template-columns:1fr;gap:48px;padding-top:32px;padding-bottom:64px}
  .hero h1{font-size:52px}
  .radar{max-width:420px}
  .site-nav{gap:18px;font-size:11.5px}
  .cells,.steps{grid-template-columns:1fr}
  .band h2{font-size:30px}
  .close h2{font-size:38px}
  .site-foot .wrap{justify-content:flex-start}
  .topic-bar{grid-template-columns:1fr;gap:18px}
  .topic-bar .side,.topic-bar .side.r{text-align:left}
}
@media (max-width:560px){
  .wrap{padding-left:20px;padding-right:20px}
  .hero h1{font-size:40px}
  .site-nav{display:none}
}
@media (prefers-reduced-motion:reduce){
  .radar-sweep,.blip,.eyebrow i{animation:none}
}