/* Assay — evidence as interface. Attio-DNA structure, Assay identity. */
:root{
  --ink:#0e1320;--muted:#5b6472;--faint:#98a2b3;--ground:#ffffff;--soft:#f6f7f9;
  --accent:#3b4fd8;--accent-dark:#2f3fae;--accent-soft:#eef0fb;--line:#e6e8ee;
  --dark:#0b0e16;--dark-ink:#e6e8ee;--dark-muted:#8a93a6;--dark-line:#232838;
  --crit-bg:#fee4e2;--crit:#d92d20;--high-bg:#fef0c7;--high:#b54708;
  --med-bg:#fef7c3;--med:#a15c07;--low-bg:#f2f4f7;--low:#475467;--info-bg:#eff8ff;--info:#175cd3;
  --mono:"JetBrains Mono",ui-monospace,"Cascadia Code",Consolas,monospace;
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Inter,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--ground);line-height:1.6;font-size:16px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
img{max-width:100%}

/* ---------- announcement + nav ---------- */
.announce{background:var(--dark);color:#fff;text-align:center;font-size:.82rem;padding:9px 16px}
.announce a{color:#fff;font-weight:500}
.nav-outer{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
nav.main{display:flex;align-items:center;gap:8px;height:64px}
.logo{font-weight:700;font-size:1.3rem;letter-spacing:-.02em;color:var(--ink)}
.logo span{color:var(--accent)}
.logo:hover{text-decoration:none}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:32px;flex:1}
.nav-links>li{list-style:none;position:relative}
.nav-links a.top,.nav-links button.top{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;color:var(--ink);font-size:.95rem;font-weight:500;background:none;border:0;cursor:pointer;font-family:inherit}
.nav-links a.top:hover,.nav-links button.top:hover,.nav-links button.top[aria-expanded="true"]{background:var(--soft);text-decoration:none}
.nav-links .caret{transition:transform .18s}
.nav-links button.top[aria-expanded="true"] .caret{transform:rotate(180deg)}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn{display:inline-block;background:var(--ink);color:#fff;font-weight:600;font-size:.95rem;padding:10px 20px;border-radius:99px;transition:background .15s}
.btn:hover{background:#000;text-decoration:none}
.btn.accent{background:var(--accent)}
.btn.accent:hover{background:var(--accent-dark)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--soft)}
.btn.big{padding:14px 28px;font-size:1rem}
.btn.on-dark{background:#fff;color:var(--ink)}
.btn.on-dark:hover{background:var(--dark-ink)}

/* mega dropdown */
.mega{position:absolute;left:0;top:calc(100% + 10px);min-width:760px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px rgba(14,19,32,.14);display:none;grid-template-columns:1fr 210px;overflow:hidden}
.mega .duo{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}
.mega.open{display:grid;animation:megain .18s ease}
@keyframes megain{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.mega .col{padding:22px 8px 22px 22px}
.mega .rail{background:var(--soft);border-left:1px solid var(--line);padding:22px 20px}
.mega h4{font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin:14px 0 6px;padding-left:12px}
.mega h4:first-child{margin-top:0}
.mega a.item{display:flex;gap:12px;padding:10px 12px;border-radius:10px;color:var(--ink)}
.mega a.item:hover{background:var(--soft);text-decoration:none}
.mega .ic{flex:0 0 34px;height:34px;border-radius:8px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center}
.mega b{display:block;font-size:.92rem;font-weight:600;letter-spacing:-.01em}
.mega small{color:var(--muted);font-size:.83rem;line-height:1.4;display:block}
.mega .rail a{display:block;padding:7px 0;color:var(--ink);font-size:.92rem;font-weight:500}

/* mobile nav */
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle svg{display:block}
@media(max-width:920px){
  .nav-toggle{display:block;margin-left:auto}
  .nav-links{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--line);margin:0;padding:12px 20px 20px;flex-direction:column;align-items:stretch;gap:2px;box-shadow:0 20px 40px rgba(14,19,32,.1)}
  .nav-links.open{display:flex}
  .mega{position:static;min-width:0;display:none;grid-template-columns:1fr;border:0;box-shadow:none;border-radius:0;background:var(--soft);margin:4px 0 8px;border-radius:12px}
  .mega.open{display:block}
  .mega .duo{grid-template-columns:1fr}
  .mega .rail{border-left:0;border-top:1px solid var(--line)}
  .nav-cta{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;text-align:center;padding:84px 0 40px;background:
  radial-gradient(60% 50% at 50% 100%, #e9edfb 0%, rgba(233,237,251,0) 70%), var(--ground)}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:99px;padding:7px 16px;font-size:.85rem;font-weight:500;color:var(--ink);box-shadow:0 1px 3px rgba(14,19,32,.05)}
.pill:hover{text-decoration:none;border-color:var(--faint)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--crit)}
h1{font-size:clamp(2.6rem,6vw,4.2rem);line-height:1.02;letter-spacing:-.03em;font-weight:650;margin:26px auto 0;max-width:15em}
.lede{font-size:1.18rem;color:var(--muted);margin:22px auto 32px;max-width:36em}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.dim{color:var(--faint)}

/* the memo card — signature element */
.memo-stage{padding:48px 0 0;perspective:1200px}
.memo-card{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 32px 80px rgba(14,19,32,.13);text-align:left;overflow:hidden;transition:transform .3s ease}
.memo-head{display:flex;align-items:center;gap:8px;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--soft)}
.memo-head .dots{display:flex;gap:6px}
.memo-head .dots i{width:11px;height:11px;border-radius:50%}
.memo-head .dots i:nth-child(1){background:#f87168}.memo-head .dots i:nth-child(2){background:#fbbc4e}.memo-head .dots i:nth-child(3){background:#58c76b}
.memo-head span{font-family:var(--mono);font-size:.78rem;color:var(--muted);margin-left:8px}
.memo-body{padding:26px 30px 30px;font-size:.92rem}
.memo-body h3{font-size:1.15rem;letter-spacing:-.015em;margin-bottom:2px}
.memo-body .for{color:var(--muted);font-size:.85rem;margin-bottom:16px}
.rec{display:inline-block;font-family:var(--mono);font-size:.8rem;font-weight:700;letter-spacing:.04em;background:var(--high-bg);color:var(--high);border-radius:6px;padding:5px 10px;margin-bottom:18px}
.finding{border-top:1px solid var(--line);padding:14px 0}
.finding .row{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.sev{font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.05em;border-radius:5px;padding:3px 7px}
.sev.critical{background:var(--crit-bg);color:var(--crit)}
.sev.high{background:var(--high-bg);color:var(--high)}
.sev.medium{background:var(--med-bg);color:var(--med)}
.sev.low{background:var(--low-bg);color:var(--low)}
.sev.info{background:var(--info-bg);color:var(--info)}
.finding b{font-weight:600;letter-spacing:-.01em}
.conf{margin-left:auto;color:var(--faint);font-size:.8rem;font-family:var(--mono);white-space:nowrap}
.evidence{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.ev{font-family:var(--mono);font-size:.74rem;background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:3px 8px;color:var(--muted)}
.gapline{border-top:1px dashed var(--line);padding:14px 0 0;color:var(--muted);font-size:.86rem}
.gapline .sev{margin-right:8px}

/* ---------- shared sections ---------- */
section.block{padding:104px 0}
.kicker{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem);letter-spacing:-.025em;line-height:1.12;font-weight:650;max-width:22em}
h2 .dim{color:var(--faint)}
.sub{color:var(--muted);font-size:1.08rem;margin:16px 0 0;max-width:40em}
.center{text-align:center}
.center h2,.center .sub{margin-left:auto;margin-right:auto}

/* stat band with hairline ruling */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:
  repeating-linear-gradient(90deg,transparent 0 39px,var(--line) 39px 40px), var(--ground);padding:56px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.stat{border-left:3px solid var(--accent);padding-left:18px;background:var(--ground)}
.stat b{display:block;font-size:2.3rem;font-weight:650;letter-spacing:-.03em;line-height:1.1}
.stat small{color:var(--muted);font-size:.92rem}
.stat .src{display:block;color:var(--faint);font-size:.78rem;margin-top:4px}

/* scroll-spy split */
.spy{display:grid;grid-template-columns:300px 1fr;gap:64px;margin-top:64px}
.spy-list{position:sticky;top:120px;align-self:start;list-style:none}
.spy-list li{padding:9px 0 9px 18px;border-left:2px solid var(--line);font-size:1.15rem;font-weight:600;letter-spacing:-.015em;color:var(--faint);transition:color .25s,border-color .25s}
.spy-list li.active{color:var(--ink);border-left-color:var(--accent)}
.spy-panels>article{border:1px solid var(--line);border-radius:var(--radius);padding:36px;margin-bottom:28px;background:#fff}
.spy-panels h3{font-size:1.3rem;letter-spacing:-.02em;margin-bottom:8px}
.spy-panels p{color:var(--muted);font-size:.98rem}
.spy-panels .ev-demo{margin-top:16px}

/* feature grid */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:56px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:56px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:32px;background:#fff}
.card h3{font-size:1.12rem;font-weight:600;margin:14px 0 8px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:.96rem}
.card .ic{width:40px;height:40px;border-radius:10px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center}
.card.soon{border-style:dashed}
.tag{display:inline-block;font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;border-radius:5px;padding:3px 8px;background:var(--low-bg);color:var(--low);margin-left:8px;vertical-align:middle}
.tag.live{background:#e6f4ea;color:#1e7e34}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:56px;counter-reset:step}
.step{counter-increment:step;border-top:2px solid var(--accent);padding-top:20px}
.step::before{content:"0" counter(step);font-family:var(--mono);font-weight:700;color:var(--accent);font-size:.9rem}
.step h3{font-size:1.1rem;margin:8px 0 6px}
.step p{color:var(--muted);font-size:.96rem}

/* dark band */
.dark-band{background:var(--dark);color:var(--dark-ink);padding:104px 0}
.dark-band .kicker{color:#8ea0ff}
.dark-band h2{color:#fff}
.dark-band .sub{color:var(--dark-muted)}
.dark-band .stat{border-left-color:#8ea0ff;background:transparent}
.dark-band .stat b{color:#fff}
.dark-band .stat small{color:var(--dark-muted)}
.dark-band .stat .src{color:#5c6478}
.dark-band .stat .src a{color:#8ea0ff}
.dark-band .grid3{gap:36px}

/* pricing */
.tiers{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:56px}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px}
.tier.hi{border-color:var(--accent);box-shadow:0 12px 40px rgba(59,79,216,.1)}
.tier .price{font-size:2.2rem;font-weight:650;letter-spacing:-.025em;margin:10px 0 2px}
.tier .per{color:var(--muted);font-size:.92rem}
.tier ul{list-style:none;margin:24px 0 30px}
.tier li{padding:7px 0 7px 28px;position:relative;font-size:.96rem}
.tier li::before{content:"✓";position:absolute;left:0;top:7px;color:var(--accent);font-weight:700;font-size:.85rem}
.tier li small{color:var(--faint)}

/* prose pages */
.prose{max-width:760px;margin:0 auto}
.prose h2{margin-top:64px}
.prose h3{font-size:1.25rem;letter-spacing:-.015em;margin:40px 0 10px}
.prose p{color:var(--muted);margin:14px 0}
.prose strong{color:var(--ink)}
.prose ul,.prose ol{margin:14px 0 14px 24px;color:var(--muted)}
.prose li{margin:8px 0}
.prose code{font-family:var(--mono);font-size:.85em;background:var(--soft);border:1px solid var(--line);border-radius:5px;padding:2px 6px}
.callout{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:10px;padding:20px 24px;margin:28px 0;background:var(--soft)}
.callout p{margin:0;color:var(--ink);font-size:.96rem}

/* final CTA + footer */
.cta-final{text-align:center;padding:120px 0}
.cta-final h2{margin:0 auto 18px;max-width:17em}
.cta-final p{color:var(--muted);margin-bottom:34px}
footer{background:var(--dark);color:var(--dark-muted);padding:64px 0 48px;font-size:.9rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
footer .logo{color:#fff}
footer h5{color:#fff;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
footer a{color:var(--dark-muted);display:block;padding:4px 0}
footer a:hover{color:#fff;text-decoration:none}
footer .legal{border-top:1px solid var(--dark-line);margin-top:48px;padding-top:28px;font-size:.82rem;color:#5c6478}

/* reveals */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.reveal.d1,.reveal.d2,.reveal.d3{opacity:1;transform:none;transition:none}
  .memo-card{transition:none;transform:none!important}
  .mega.open{animation:none}
  .spy-list li{transition:none}
}

@media (max-width:880px){
  section.block{padding:64px 0}
  .hero{padding:56px 0 24px}
  .stats .wrap,.grid2,.grid3,.steps,.tiers,footer .cols{grid-template-columns:1fr}
  .spy{grid-template-columns:1fr;gap:0}
  .spy-list{display:none}
  .memo-body{padding:20px}
  .conf{margin-left:0}
  .cta-final{padding:72px 0}
}
@media (max-width:400px){
  .wrap{padding:0 16px}
  h1{font-size:2.2rem}
}