/* Bench landing — instrument-panel language, matched to the leaderboard. */
:root{
  --ink:#0b0f14; --panel:#121820; --panel-2:#0e141b;
  --line:#1f2a36; --line-bright:#2b3a49;
  --text:#e6edf3; --text-dim:#8b9aa8; --text-faint:#5b6b7a;
  --signal:#3fb9c9; --signal-dim:#1d4d55; --signal-glow:rgba(63,185,201,.4);
  --bad:#c9603f; --warn:#c9a23f;
  --mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  overflow-x:hidden}
.mono{font-family:var(--mono);font-variant-ligatures:none}
a{color:inherit}
.wrap{max-width:1000px;margin:0 auto;padding:0 24px}

/* grid backdrop, dimmed */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:80px 80px;background-position:center;opacity:.4}
.bg::after{content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 20%,transparent 30%,var(--ink) 80%)}
main{position:relative;z-index:1}

/* top bar */
.nav{display:flex;justify-content:space-between;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line)}
.nav .brand{font-weight:700;letter-spacing:.28em;text-transform:uppercase;font-size:16px}
.nav .brand .dot{color:var(--signal)}
.nav .links{display:flex;gap:24px;align-items:center;font-size:14px;color:var(--text-dim)}
.nav .links a{text-decoration:none}
.nav .links a:hover{color:var(--text)}
.nav .cta{font-family:var(--mono);font-size:13px;color:var(--signal);
  border:1px solid var(--signal-dim);border-radius:3px;padding:8px 16px;
  text-decoration:none;transition:background .2s}
.nav .cta:hover{background:rgba(63,185,201,.08)}

/* hero */
.hero{padding:96px 0 72px;text-align:center}
.hero .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--signal);margin-bottom:24px;
  display:inline-flex;align-items:center;gap:9px}
.hero .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;
  background:var(--signal);box-shadow:0 0 10px var(--signal);
  animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(34px,5.4vw,60px);line-height:1.05;font-weight:700;
  letter-spacing:-.03em;margin:0 auto 24px;max-width:16ch}
.hero h1 .hl{color:var(--signal)}
.hero .sub{font-size:clamp(17px,2.2vw,21px);color:var(--text-dim);
  max-width:60ch;margin:0 auto 40px;line-height:1.5}
.hero .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{font-family:var(--mono);font-size:14px;padding:13px 26px;border-radius:4px;
  text-decoration:none;transition:all .2s;border:1px solid transparent}
.btn-primary{background:var(--signal);color:#05252b;font-weight:600}
.btn-primary:hover{box-shadow:0 0 28px var(--signal-glow)}
.btn-ghost{border-color:var(--line-bright);color:var(--text-dim)}
.btn-ghost:hover{border-color:var(--signal-dim);color:var(--text)}

/* live comparison signature */
.demo{max-width:720px;margin:64px auto 0;background:var(--panel);
  border:1px solid var(--line-bright);border-radius:5px;overflow:hidden;
  box-shadow:0 30px 80px -30px rgba(0,0,0,.7)}
.demo .demohead{display:flex;justify-content:space-between;align-items:center;
  padding:14px 20px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:12px;color:var(--text-faint)}
.demo .demohead .dot3{display:flex;gap:6px}
.demo .demohead .dot3 span{width:9px;height:9px;border-radius:50%;background:var(--line-bright)}
.demolane{display:grid;grid-template-columns:36px 1fr 70px;gap:14px;align-items:center;
  padding:16px 20px;border-bottom:1px solid var(--line);opacity:0;
  animation:laneIn .5s ease forwards}
.demolane:last-child{border-bottom:none}
.demolane:nth-child(1){animation-delay:.2s}
.demolane:nth-child(2){animation-delay:.4s}
.demolane:nth-child(3){animation-delay:.6s}
@keyframes laneIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.demolane.win{background:linear-gradient(90deg,rgba(63,185,201,.08),transparent 70%);
  border-left:2px solid var(--signal)}
.demolane .r{font-family:var(--mono);font-weight:700;color:var(--text-faint);text-align:center}
.demolane.win .r{color:var(--signal)}
.demolane .nm{font-family:var(--mono);font-size:13px;color:var(--text-dim)}
.demolane .nm b{color:var(--text)}
.demolane .metric-row{display:flex;gap:14px;margin-top:6px;font-size:11px;color:var(--text-faint)}
.demolane .sc{font-family:var(--mono);font-size:22px;font-weight:700;text-align:right;
  color:var(--text-faint)}
.demolane.win .sc{color:var(--signal);text-shadow:0 0 16px var(--signal-glow)}
.democap{padding:14px 20px;font-size:13px;color:var(--text-dim);
  border-top:1px solid var(--line);font-style:normal}
.democap b{color:var(--signal)}

/* section scaffold */
section{padding:80px 0}
.sec-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--signal);margin-bottom:14px}
.sec-title{font-size:clamp(26px,3.4vw,36px);font-weight:700;letter-spacing:-.02em;
  margin:0 0 16px;max-width:20ch}
.sec-lead{font-size:18px;color:var(--text-dim);max-width:58ch;margin:0 0 40px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:5px;overflow:hidden}
.step{background:var(--panel);padding:32px 28px}
.step .n{font-family:var(--mono);font-size:13px;color:var(--signal);
  border:1px solid var(--signal-dim);border-radius:3px;width:34px;height:34px;
  display:grid;place-items:center;margin-bottom:20px}
.step h3{font-size:18px;margin:0 0 10px;font-weight:600}
.step p{font-size:15px;color:var(--text-dim);margin:0;line-height:1.55}
.step .code{font-family:var(--mono);font-size:12.5px;color:var(--text-dim);
  background:var(--panel-2);border:1px solid var(--line);border-radius:3px;
  padding:10px 12px;margin-top:16px;overflow-x:auto;white-space:nowrap}
.step .code .fn{color:var(--signal)}

/* proof band */
.proof{background:var(--panel-2);border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);margin:0}
.proof .wrap{padding:72px 24px}
.proof-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center}
.proof .txcard{background:var(--panel);border:1px solid var(--line-bright);
  border-radius:5px;padding:24px;font-family:var(--mono);font-size:13px}
.proof .txcard .rowk{color:var(--text-faint);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;margin-bottom:6px}
.proof .txcard .rowv{color:var(--text);margin-bottom:18px;word-break:break-all}
.proof .txcard .rowv.ok{color:var(--signal)}
.proof .txcard a{color:var(--signal);text-decoration:none;word-break:break-all}
.proof .txcard a:hover{text-decoration:underline}

/* contrast / differentiator */
.diff{text-align:center}
.diff .big{font-size:clamp(24px,3.6vw,40px);font-weight:700;letter-spacing:-.02em;
  max-width:24ch;margin:0 auto 8px;line-height:1.2}
.diff .big .dim{color:var(--text-faint)}
.diff .big .hl{color:var(--signal)}
.diff .note{color:var(--text-dim);font-size:17px;max-width:52ch;margin:20px auto 0}

/* final CTA */
.final{text-align:center;padding:96px 0}
.final h2{font-size:clamp(28px,4vw,44px);font-weight:700;letter-spacing:-.02em;
  margin:0 0 20px;max-width:18ch;margin-inline:auto}
.final .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:8px}

footer{border-top:1px solid var(--line);padding:32px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-faint)}
footer .mono{color:var(--text-dim)}

@media (max-width:760px){
  .nav .links a:not(.cta){display:none}
  .steps{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr;gap:32px}
  section{padding:56px 0}
}
@media (prefers-reduced-motion:reduce){
  .hero .eyebrow::before{animation:none}
  .demolane{animation:none;opacity:1}
}