/* TAIL — landing page. Thermal ramp, Archivo + Plex Mono, no dependencies. */
:root{
  --void:#07070A; --surface:#0E0D14; --rule:#1C1A24; --rule-soft:#141219;
  --text:#EDEAE4; --muted:#7A7482; --muted2:#9A939F; --hot:#FF6B2C; --peak:#FFF0D0;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{background:var(--void);overflow-x:clip;scroll-behavior:smooth}
body{font-family:Archivo,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.62;
  color:var(--text);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;left:52%;top:-16%;width:min(1400px,140vw);height:820px;
  transform:translateX(-50%);pointer-events:none;z-index:0;
  background:radial-gradient(ellipse at center,rgba(255,107,44,.07),transparent 68%)}
.mono{font-family:"IBM Plex Mono",ui-monospace,Consolas,monospace;font-variant-numeric:tabular-nums}
a{color:inherit;text-decoration:none}
.shell{max-width:1120px;margin:0 auto;padding:0 26px;position:relative;z-index:1}
.hbar>*,.row>*,.shape{min-width:0}

/* header */
header{position:sticky;top:0;z-index:40;background:rgba(7,7,10,.9);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--rule)}
.hbar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:62px}
.brand{display:flex;align-items:center;gap:13px}
.mark{display:flex;align-items:flex-end;gap:2px;height:18px}
.mark i{width:4px;border-radius:1px;display:block}
.word{font-size:15px;font-weight:700;letter-spacing:.26em}
.hnav{display:flex;gap:6px;align-items:center}
.btn{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.16em;
  border:1px solid var(--rule);padding:8px 15px;color:var(--muted);transition:.15s;white-space:nowrap}
.btn:hover{color:var(--text);border-color:#2C2836}
.btn.hot{color:var(--hot);border-color:rgba(255,107,44,.42)}
.btn.hot:hover{color:var(--peak);border-color:var(--hot)}

/* type */
.kick{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.22em;
  color:var(--muted);text-transform:uppercase}
h1{font-size:clamp(38px,6.4vw,78px);font-weight:700;letter-spacing:-.035em;line-height:1.02}
h1 em{font-style:normal;color:var(--hot)}
h2{font-size:clamp(25px,3.4vw,38px);font-weight:700;letter-spacing:-.028em;line-height:1.1}
p{color:var(--muted2);max-width:64ch;line-height:1.72}
p b{color:var(--text);font-weight:400}
.lead{font-size:19px;margin-top:22px}
section{padding:82px 0;border-top:1px solid var(--rule)}
section>.kick{margin-bottom:26px}
.say{margin-top:26px}

/* hero */
.hero{padding:96px 0 88px;border-top:none}
.cta{display:flex;gap:10px;margin-top:40px;flex-wrap:wrap}

/* the shape */
.shape{display:flex;gap:3px;height:44px}
.shape.sm{height:20px;gap:2px}
.shape s{display:block;border-radius:2px}
.shlabel{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.16em;
  color:var(--muted);margin-bottom:11px}
.shblock{margin-top:34px}

/* formula */
.formula{border:1px solid var(--rule);background:var(--surface);padding:34px 36px;margin-top:12px}
.formula .f{font-family:"IBM Plex Mono",monospace;font-size:clamp(19px,2.7vw,30px);
  line-height:1.8;color:var(--muted2)}
.formula .f b{color:var(--text);font-weight:400}
.formula .f u{color:var(--hot);text-decoration:none}

/* grids */
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule);margin-top:14px}
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule);margin-top:14px}
.cell{background:var(--void);padding:30px 28px}
.cell .n{font-size:48px;font-weight:700;color:var(--hot);letter-spacing:-.03em;line-height:1}
.cell .t{font-size:16px;color:var(--text);margin-top:14px}
.cell .d{font-size:14.5px;color:var(--muted2);margin-top:9px;line-height:1.6}
@media (max-width:820px){.g3,.g2{grid-template-columns:1fr}}

/* board preview */
.row{display:flex;align-items:center;gap:18px;padding:11px 0;border-bottom:1px solid var(--rule-soft)}
.row .ad{width:104px;flex:none;font-size:14px;font-weight:500}
.row .shape{flex:1;height:18px}
.row .n{flex:none;text-align:right;font-size:14px}
.w1{width:88px;font-weight:600}
.w2{width:92px;color:var(--muted);font-size:12.5px}
.w3{width:98px;color:var(--muted)}
.row.out .ad,.row.out .n{color:#6A6470}
.row.out .w3{color:var(--peak);font-weight:600}
.cut{margin-top:16px;padding-top:6px;border-top:1px dashed #2A2530}
.scroll{overflow-x:auto;margin:0 -26px;padding:0 26px}
.scroll .row{min-width:700px}

/* feed */
.feed{border:1px solid var(--rule);background:var(--surface);padding:26px 28px;margin-top:14px;
  font-family:"IBM Plex Mono",monospace;font-size:15px;line-height:2.2;color:var(--muted2)}
.feed b{color:var(--text);font-weight:400}

footer{border-top:1px solid var(--rule);padding:44px 0 70px}
.fg{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;
  font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.1em;color:var(--muted)}
.fg .col{display:flex;flex-direction:column;gap:9px}
.disc{margin-top:30px;font-size:11px;color:#403B49;line-height:1.85;max-width:86ch}