:root{
  --bg:#0a0f1e; --bg2:#0f1730; --card:#121a33; --line:#25305a;
  --text:#e8ecf8; --muted:#9aa6c9;
  --accent:#5eead4; --accent2:#7c9cff; --warn:#ff7a8a;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.6;
  background-image:radial-gradient(900px 500px at 85% -10%,rgba(124,156,255,.16),transparent 60%),
                   radial-gradient(700px 400px at -10% 10%,rgba(94,234,212,.10),transparent 60%);
  background-attachment:fixed}
a{color:var(--accent)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px clamp(16px,4vw,48px);background:rgba(10,15,30,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;color:var(--text);text-decoration:none}
.brand-dot{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.nav nav{display:flex;gap:clamp(10px,2vw,22px);flex-wrap:wrap}
.nav nav a{color:var(--muted);text-decoration:none;font-size:.95rem}
.nav nav a:hover,.nav nav a:focus-visible{color:var(--text)}

main{max-width:1100px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.block{padding:clamp(40px,7vw,80px) 0;border-top:1px solid rgba(37,48,90,.5)}
h1{font-size:clamp(2.6rem,8vw,5rem);line-height:1.02;margin:.2em 0 .3em;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,4vw,2.2rem);margin:0 0 .6em;letter-spacing:-.01em}
h3{margin:.2em 0 .4em;font-size:1.15rem}
.accent{color:var(--accent)}
.eyebrow{font-family:var(--mono);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent2);margin:0}
.lead{font-size:clamp(1.1rem,2.4vw,1.35rem);color:var(--muted);max-width:34ch}
.section-lead{color:var(--muted);max-width:70ch}

.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,56px);align-items:center;padding:clamp(40px,8vw,96px) 0}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-block;padding:11px 20px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text);
  font:inherit;font-weight:600;text-decoration:none;cursor:pointer;transition:transform .15s,border-color .15s,background .15s}
.btn:hover,.btn:focus-visible{border-color:var(--accent);transform:translateY(-1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#06251f}
.btn.primary:hover{background:#7ff2e0}
.btn.ghost{color:var(--muted)}

.sample{margin:0;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.sample figcaption{font-family:var(--mono);font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.sample-body{font-size:1.08rem;margin:0 0 14px}
.sample-note{font-size:.88rem;color:var(--muted);margin:0}
mark{position:relative;background:rgba(255,122,138,.18);color:#ffd2d8;border-bottom:2px solid var(--warn);padding:0 3px;border-radius:3px;cursor:help}
mark::after{content:attr(data-tip);position:absolute;left:0;bottom:calc(100% + 6px);white-space:nowrap;
  font-family:var(--mono);font-size:.72rem;background:#1b2547;color:var(--text);border:1px solid var(--line);
  padding:4px 8px;border-radius:6px;opacity:0;pointer-events:none;transform:translateY(4px);transition:.15s;z-index:2}
mark:hover::after,mark:focus::after{opacity:1;transform:none}

.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.small{margin-top:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.card p{margin:0;color:var(--muted)}
.num{font-family:var(--mono);color:var(--accent);font-size:.9rem}
.statement{margin:28px 0 0;font-size:1.15rem;color:var(--text);border-left:3px solid var(--accent);padding-left:16px;max-width:60ch}

.pipeline{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
.pipeline li{position:relative;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.pipeline li p{margin:0;color:var(--muted);font-size:.92rem}
.step{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:rgba(94,234,212,.14);
  color:var(--accent);font-family:var(--mono);font-weight:700;margin-bottom:8px}

.lab{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin-top:20px}
textarea{width:100%;resize:vertical;background:var(--bg2);color:var(--text);border:1px solid var(--line);border-radius:10px;
  padding:14px;font:inherit;line-height:1.5}
textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.lab-actions{display:flex;gap:10px;margin:12px 0 18px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0}
.metrics div{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.metrics dt{font-size:.78rem;color:var(--muted)}
.metrics dd{margin:4px 0 0;font-family:var(--mono);font-size:1.5rem;color:var(--accent);transition:color .2s}
.hint{margin:16px 0 0;color:var(--muted);font-size:.92rem}

.chart-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;margin-top:20px}
.chart-wrap{position:relative;height:340px}
.badge{position:absolute;top:14px;right:14px;z-index:2;font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;
  background:rgba(255,184,77,.14);color:#ffcf8a;border:1px solid rgba(255,184,77,.45);padding:4px 10px;border-radius:999px}
.badge[hidden]{display:none}

.footer{border-top:1px solid var(--line);padding:32px clamp(16px,4vw,48px);text-align:center;color:var(--muted)}
.footer p{margin:0 0 6px}
.footer .small{font-size:.85rem}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .pipeline{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .grid.three{grid-template-columns:1fr}
}
@media (max-width:620px){
  .grid.two{grid-template-columns:1fr}
  .nav{flex-direction:column;align-items:flex-start;gap:8px}
  .pipeline{grid-template-columns:1fr}
  .chart-wrap{height:280px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,mark::after{transition:none}
}