@font-face {
  font-family: 'Inter Tight';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(/fonts/inter-tight-normal-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
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@font-face {
  font-family: 'Inter Tight';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
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  font-family: 'Inter Tight';
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  font-display: swap;
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  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(/fonts/jetbrains-mono-normal-cyrillic.woff2) format('woff2');
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  font-family: 'JetBrains Mono';
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  font-display: swap;
  src: url(/fonts/jetbrains-mono-normal-vietnamese.woff2) format('woff2');
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  font-display: swap;
  src: url(/fonts/jetbrains-mono-normal-latin-ext.woff2) format('woff2');
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  font-display: swap;
  src: url(/fonts/source-serif-4-normal-vietnamese.woff2) format('woff2');
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}
/* pb.rvrs.ai — institutional research desk. Ink ground, hairline rules, brass accent, signal green/red for scores. */
:root{--ink:#070A0F;--ink2:#0B1018;--panel:#0D131C;--panel2:#111925;--line:#1B2431;--line2:#26334A;--tx:#E9EDF3;--tx2:#C3CAD6;--mu:#8D98AA;--mu2:#6A768A;
--brass:#D4B06A;--brass2:#A98A4F;--up:#3FD69B;--dn:#FF7070;--warn:#F2B84B;--cy:#79C8FF;
--serif:'Source Serif 4',Georgia,'Noto Serif CJK SC',serif;--sans:'Inter Tight',system-ui,-apple-system,'Segoe UI','Noto Sans CJK SC',sans-serif;--mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
--r:14px;--wrap:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--tx);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
.mono{font-family:var(--mono);font-feature-settings:"zero" 0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:16px;top:-60px;z-index:60;padding:10px 16px;border-radius:8px;background:var(--brass);color:var(--ink);font-weight:600;text-decoration:none}
.skip:focus{top:16px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.page{position:relative;overflow-x:clip;background:
 radial-gradient(900px 520px at 85% -8%,rgba(212,176,106,.13),transparent 60%),
 radial-gradient(700px 500px at -10% 30%,rgba(121,200,255,.06),transparent 60%),var(--ink)}
.page::before{content:"";position:absolute;inset:0 0 auto 0;height:980px;pointer-events:none;
 background-image:linear-gradient(rgba(233,237,243,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(233,237,243,.035) 1px,transparent 1px);
 background-size:56px 56px;mask-image:linear-gradient(#000,transparent 92%);-webkit-mask-image:linear-gradient(#000,transparent 92%)}

/* nav */
.navwrap{position:sticky;top:0;z-index:30;background:rgba(7,10,15,.78);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.wm{font:600 21px/1 var(--serif);letter-spacing:.02em}
.by{font-size:11px;color:var(--mu);letter-spacing:.06em;text-transform:uppercase;padding-left:10px;border-left:1px solid var(--line2)}
.links{display:flex;align-items:center;gap:4px}
.links>a:not(.btn){padding:10px 12px;font-size:14px;color:var(--tx2);text-decoration:none;border-radius:8px}
.links>a:not(.btn):hover{color:var(--tx);background:rgba(255,255,255,.04)}
.lang{position:relative}
.lang button{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 12px;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--tx2);font:500 13px var(--sans);cursor:pointer}
.lang button:hover,.lang.open button{border-color:var(--line2);color:var(--tx)}
.lang .cv{transition:transform .2s}.lang.open .cv{transform:rotate(180deg)}
.lang ul{position:absolute;right:0;top:calc(100% + 8px);min-width:190px;margin:0;padding:6px;list-style:none;background:#0F1620;border:1px solid var(--line2);border-radius:12px;box-shadow:0 24px 60px -20px #000;opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .18s,transform .18s;z-index:40}
.lang.open ul{opacity:1;transform:none;pointer-events:auto}
.lang li{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:11px 12px;border-radius:8px;font-size:14px;font-weight:500;color:var(--tx2);cursor:pointer}
.lang li i{font:500 11px var(--mono);font-style:normal;color:var(--mu)}
.lang li:hover,.lang li:focus{background:rgba(255,255,255,.06);color:var(--tx);outline:none}
.lang li[aria-selected="true"],.lang li[aria-selected="true"] i{color:var(--brass)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:8px;border:1px solid var(--brass);background:var(--brass);color:#0A0D12;font:600 15px var(--sans);text-decoration:none;cursor:pointer;transition:background .2s,border-color .2s,color .2s,transform .2s}
.btn:hover{background:#E3C483;border-color:#E3C483}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--tx);border-color:var(--line2)}
.btn.ghost:hover{border-color:var(--brass);color:var(--brass)}
.btn.sm{min-height:40px;padding:0 14px;font-size:14px;margin-left:6px}
.btn:disabled{opacity:.6;cursor:wait}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);gap:56px;align-items:center;padding-top:88px;padding-bottom:96px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 22px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--up);box-shadow:0 0 0 0 rgba(63,214,155,.6);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(63,214,155,0)}100%{box-shadow:0 0 0 0 rgba(63,214,155,0)}}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(40px,5.4vw,66px);line-height:1.04;letter-spacing:-.022em}
h1 em{font-style:italic;color:var(--brass);font-weight:400}
.lede{margin:24px 0 0;font-size:19px;line-height:1.55;color:var(--tx2);max-width:34em}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.proof{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:36px;margin:40px 0 0;padding:20px 0 0;list-style:none;border-top:1px solid var(--line);font-size:12px;color:var(--mu)}
.proof li{display:flex;flex-direction:column;gap:2px}
.proof b{font:500 26px/1.1 var(--mono);color:var(--tx)}

/* terminal (hero product visual) */
.term{margin:0;background:linear-gradient(180deg,#0F1621,#0A0F17);border:1px solid var(--line2);border-radius:var(--r);box-shadow:0 40px 90px -40px rgba(0,0,0,.9),0 0 0 1px rgba(212,176,106,.05) inset;overflow:hidden;font-size:14px}
.tbar{display:flex;align-items:center;gap:14px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:12px;color:var(--mu)}
.tl{display:inline-flex;align-items:center;gap:8px;color:var(--tx2);text-transform:uppercase;letter-spacing:.1em}
.rec{width:8px;height:8px;border-radius:50%;background:var(--dn);animation:blink 1.6s steps(2) infinite}
@keyframes blink{50%{opacity:.25}}
.tt{color:var(--tx);font-weight:600}.td{margin-left:auto}
.thead,.tr{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) 128px;gap:12px;align-items:center;padding:0 16px}
.thead{height:34px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--mu2);border-bottom:1px solid var(--line)}
.trows{list-style:none;margin:0;padding:4px 0}
.tr{min-height:43px;border-bottom:1px solid rgba(27,36,49,.6)}
.tr:last-child{border-bottom:0}
.tm{color:var(--tx);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tv{display:grid;grid-template-columns:1fr 66px;gap:10px;align-items:center}
.trk{position:relative;height:12px}
.tv b{text-align:right}
.tv b{position:relative;font-weight:600}
.bar{position:absolute;top:0;bottom:0;right:0;width:var(--w);border-radius:2px;opacity:.55}
.tr.dn .bar,.num.dn .bar{background:var(--dn)}.tr.up .bar,.num.up .bar{background:var(--up)}
.tr.dn b,b.dn,.num.dn b{color:var(--dn)}.tr.up b,b.up,.num.up b,.up{color:var(--up)}.tr.flat b{color:var(--mu)}
.dn{color:var(--dn)}
.tk{display:flex;gap:6px;font-size:11px}
.hard,.soft,.lowc{padding:2px 7px;border-radius:4px;border:1px solid}
.hard{color:var(--tx2);border-color:var(--line2)}
.soft{color:var(--warn);border-color:rgba(242,184,75,.35)}
.lowc{color:var(--mu);border-color:var(--line2);border-style:dashed}
.tfoot{display:flex;gap:22px;padding:12px 16px;border-top:1px solid var(--line);background:rgba(255,255,255,.015);font-size:12px;color:var(--mu)}
.tfoot b{font-size:14px}
.tfoot .tot{margin-left:auto}.tfoot .tot b{font-size:16px}
.term figcaption{padding:10px 16px 14px;font-size:11px;color:var(--mu2);border-top:1px solid var(--line)}
.motion .term.play .tr{opacity:0;transform:translateX(-6px)}
.motion .term.play .tr.in{opacity:1;transform:none;transition:opacity .45s ease,transform .45s ease}
.motion .term.play .tr.in .bar{animation:grow .7s ease-out both}
@keyframes grow{from{width:0}}
.tr.in.flash{background:rgba(212,176,106,.07);transition:background 1.2s}

/* sections */
.sect{padding-top:104px}
.kicker{margin:0 0 14px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass)}
h2{font-size:clamp(32px,3.8vw,46px);line-height:1.1;max-width:20em}
.sub{margin:16px 0 0;font-size:17px;color:var(--tx2);max-width:42em}
.fine{font-size:12px;color:var(--mu)}

/* product tiles */
.grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px;margin-top:44px}
.tile{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:14px;transition:border-color .25s,transform .25s}
.tile:hover{border-color:var(--line2)}
.tile>p{margin:0;color:var(--tx2);font-size:15px}
.t-call{grid-column:span 4;grid-row:span 2}
.t-pt{grid-column:span 2}.t-pos{grid-column:span 2}.t-news{grid-column:span 3}.t-cpi{grid-column:span 3}
.th{display:flex;align-items:baseline;gap:12px}
.ti{font-size:12px;color:var(--brass)}
.th h3{font-size:23px}
.alert{margin-top:6px;border:1px solid rgba(63,214,155,.28);border-left:3px solid var(--up);border-radius:10px;background:rgba(63,214,155,.035);padding:18px 20px}
.ah{display:flex;flex-wrap:wrap;gap:14px;font-size:11px;color:var(--mu);text-transform:uppercase;letter-spacing:.06em}
.ah .sev{margin-left:auto;color:var(--dn)}
.ahd{margin:10px 0 0;font:500 20px/1.3 var(--serif);color:var(--tx)}
.asc{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:12px 0 0;font-size:13px;color:var(--mu)}
.asc b{font-size:16px}
.chip{display:inline-block;padding:2px 8px;border-radius:4px;border:1px solid var(--line2);font:500 11px var(--mono);color:var(--tx2);white-space:nowrap}
.chip.soft{color:var(--warn);border-color:rgba(242,184,75,.35)}
.chip.lc{border-style:dashed;color:var(--mu)}
blockquote{margin:14px 0 0;padding:0 0 0 14px;border-left:2px solid var(--line2);font:italic 400 16px/1.5 var(--serif);color:var(--tx2)}
.aln{margin:12px 0 0;font-size:14px;color:var(--tx)}
.avf{margin:10px 0 0;font-size:12px;color:var(--mu)}
.avf span{color:var(--brass)}
.scen{display:grid;gap:8px;margin-top:4px}
.sc{position:relative;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:13px;overflow:hidden}
.sc i{position:absolute;left:0;top:0;bottom:0;width:3px}
.sc.s0 i{background:var(--up)}.sc.s1 i{background:var(--brass)}.sc.s2 i{background:var(--dn)}
.sc .sv{color:var(--mu)}
.dots{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin:4px 0 0;padding:0;list-style:none}
.dots li{aspect-ratio:1;border-radius:6px;border:1px solid var(--line2);background:rgba(255,255,255,.02);position:relative}
.dots li::after{content:"";position:absolute;inset:32%;border-radius:50%;background:currentColor}
.d-green{color:var(--up)}.d-amber{color:var(--warn)}.d-red{color:var(--dn)}.d-paused{color:#56637A}.d-unknown{color:#3A4558}
.dots li.d-amber{border-color:rgba(242,184,75,.5);box-shadow:0 0 18px -6px var(--warn)}
.legend{display:flex;flex-wrap:wrap;gap:14px;margin:0;font-size:12px;color:var(--mu)}
.lg{display:inline-flex;align-items:center;gap:6px}
.lg i{width:8px;height:8px;border-radius:50%;background:currentColor}
.lg b{color:var(--tx)}
.lg span{color:var(--mu)}
.cons{list-style:none;margin:4px 0 0;padding:0}
.cons li{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.cons li:last-child{border-bottom:0}
.cons b{margin-left:12px;font-weight:600}
.cpi{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cpi div{border:1px solid var(--line);border-radius:8px;padding:12px 14px;display:flex;flex-direction:column}
.cpi span{font-size:11px;color:var(--mu);text-transform:uppercase;letter-spacing:.08em}
.cpi b{font-size:28px;font-weight:500;color:var(--tx)}
.contrib{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:13px}
.contrib li{display:grid;grid-template-columns:110px 1fr 52px;gap:10px;align-items:center;color:var(--tx2)}
.contrib .mono{text-align:right}
.cb{height:8px;background:rgba(255,255,255,.03);border-radius:2px;overflow:hidden}
.cb i{display:block;height:100%;width:var(--w);border-radius:2px}
.contrib li.up .cb i{background:var(--brass)}.contrib li.dn .cb i{background:var(--cy)}
.contrib li.up .mono{color:var(--brass)}.contrib li.dn .mono{color:var(--cy)}
.tile .fine{margin-top:auto;padding-top:6px}

.tline{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.tlh{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--mu)}
.tlh b{color:var(--tx);font-weight:600}
.tlx{position:relative;height:54px;margin:14px 0 8px;border-bottom:1px solid var(--line2);background:repeating-linear-gradient(90deg,transparent 0 calc(25% - 1px),rgba(255,255,255,.04) calc(25% - 1px) 25%)}
.tlx i{position:absolute;bottom:0;width:2px;height:18px;margin-left:-1px;background:var(--mu2);border-radius:1px}
.tlx i.hi{height:40px;background:var(--brass)}
.tlx i.up{background:var(--up)}.tlx i.dn{background:var(--dn)}
.tla{display:flex;justify-content:space-between;font-size:11px;color:var(--mu2)}
/* method */
.meth{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;margin-top:44px;align-items:start}
.steps{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.steps li{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.sn{width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--brass2);border-radius:50%;color:var(--brass);font-size:13px}
.steps h3{font-size:21px}
.steps p{margin:8px 0 0;color:var(--tx2);font-size:15px}
.worked{position:sticky;top:96px;background:var(--panel);border:1px solid var(--line2);border-radius:var(--r);padding:26px}
.worked h3{font-size:22px}
.worked dl{margin:18px 0 0;font-size:13px}
.worked dl div{display:grid;grid-template-columns:96px 1fr;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line2)}
.worked dt{color:var(--mu)}
.worked dd{margin:0;color:var(--tx)}
.worked .res{border-bottom:0;padding-top:14px}
.worked .res b{font-size:16px;display:block}
.worked .res span{color:var(--mu);font-size:12px}
.worked .fine{margin:14px 0 0}

/* samples */
.samp{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:18px;margin-top:44px;align-items:start}
.sheet{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.sh{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}
.sh h3{font-size:19px}
.sh>.mono{font-size:12px;color:var(--mu);white-space:nowrap}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl thead th{font:500 11px var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--mu2);background:rgba(255,255,255,.015)}
.tbl tbody th{font-weight:500;color:var(--tx)}
.tbl td{color:var(--tx2)}
.tbl td.mono{font-size:13px}
.tbl td.rg{white-space:nowrap;font-size:12px;color:var(--mu)}
.num{position:relative;text-align:right!important;white-space:nowrap}
.num .bar{top:auto;bottom:6px;height:3px;right:14px;opacity:.8;max-width:70px}
.num b{position:relative}
.sf{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:14px 22px;font-size:12px;color:var(--mu)}
.how{border-top:1px solid var(--line);padding:0 22px}
.how summary{cursor:pointer;padding:14px 0;font-size:14px;color:var(--brass)}
.how ul{margin:0 0 18px;padding-left:18px;font-size:13px;color:var(--tx2);display:grid;gap:8px}
.how li .mono{font-size:12px;color:var(--mu)}
.note{padding-bottom:20px}
.ptgrid{display:grid;grid-template-columns:1fr;gap:12px;padding:20px 22px 0}
.ptt{display:flex;flex-direction:column;gap:4px;padding:16px;border:1px solid var(--line2);border-radius:10px;background:linear-gradient(135deg,rgba(212,176,106,.07),transparent)}
.ptt>span:first-child{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--mu)}
.ptt b{font-size:36px;font-weight:500;color:var(--tx)}
.ptsc{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.ptsc li{display:flex;flex-direction:column;gap:2px;padding:12px;border:1px solid var(--line);border-radius:8px}
.ptsc li>span:first-child{font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.ptsc li:nth-child(1)>span:first-child{color:var(--up)}.ptsc li:nth-child(2)>span:first-child{color:var(--brass)}.ptsc li:nth-child(3)>span:first-child{color:var(--dn)}
.ptsc b{font-size:20px;font-weight:500;color:var(--mu)}
.ptsc .fine{font-size:11px}
.ptl{list-style:none;margin:16px 22px 0;padding:0;font-size:14px}
.ptl li{display:grid;grid-template-columns:118px 1fr;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);color:var(--tx2)}
.ptl li>.mono{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mu);padding-top:3px}
.note>.fine{margin:14px 22px 0}

/* coverage */
.cov{margin-top:40px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;border-collapse:separate;border-spacing:0}
.cov tbody tr:last-child th,.cov tbody tr:last-child td{border-bottom:0}
.cov td:first-child{color:var(--mu);font-size:13px}

/* tiers */
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:44px}
.tier{display:flex;flex-direction:column;gap:6px;padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r)}
.tier.lead{border-color:rgba(212,176,106,.55);background:linear-gradient(180deg,rgba(212,176,106,.07),var(--panel) 40%)}
.tier h3{font-size:28px}
.tf{margin:0;color:var(--tx2);font-size:15px}
.tp{margin:12px 0 4px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px;color:var(--brass)}
.tier ul{list-style:none;margin:8px 0 22px;padding:0;display:grid;gap:10px;font-size:15px;color:var(--tx2)}
.tier li{position:relative;padding-left:22px}
.tier li::before{content:"";position:absolute;left:2px;top:.62em;width:9px;height:5px;border-left:1.6px solid var(--brass);border-bottom:1.6px solid var(--brass);transform:rotate(-45deg)}
.tier .btn{margin-top:auto}

/* request */
.req{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;padding:44px;background:var(--panel);border:1px solid var(--line2);border-radius:18px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label,.form fieldset{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--tx2)}
.form label i{font-style:normal;color:var(--mu)}
.form .wide{grid-column:1/-1}
input,select,textarea{width:100%;min-height:46px;padding:10px 12px;border-radius:8px;border:1px solid var(--line2);background:var(--ink2);color:var(--tx);font:400 15px var(--sans)}
textarea{resize:vertical;min-height:84px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brass);box-shadow:0 0 0 3px rgba(212,176,106,.15)}
input::placeholder{color:var(--mu2)}
fieldset{border:0;margin:0;padding:0}
legend{padding:0;margin-bottom:6px}
.tierpick{flex-direction:row!important;flex-wrap:wrap;gap:8px!important}
.rad{flex-direction:row!important;align-items:center;cursor:pointer}
.rad input{position:absolute;opacity:0;width:1px;height:1px;min-height:0}
.rad span{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border:1px solid var(--line2);border-radius:8px;color:var(--tx2);font-size:14px;transition:border-color .2s,color .2s,background .2s}
.rad input:checked+span{border-color:var(--brass);color:var(--brass);background:rgba(212,176,106,.08)}
.rad input:focus-visible+span{outline:2px solid var(--brass);outline-offset:2px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.ts{min-height:0}
.fend{display:flex;align-items:center;flex-wrap:wrap;gap:16px}
.msg{margin:0;font-size:14px;color:var(--tx2)}
.msg.ok{color:var(--up)}.msg.err{color:var(--dn)}

/* footer */
.foot{padding-top:96px;padding-bottom:48px}
.fl1{display:flex;flex-wrap:wrap;align-items:baseline;gap:16px;padding-top:28px;border-top:1px solid var(--line);font-size:14px;color:var(--mu)}
.fl1 a{color:var(--tx2)}
.disc{margin:14px 0 0;font-size:13px;color:var(--mu2);max-width:60em}

/* reveal (kit motion.js sets .rv) */
@media (max-width:1080px){
 .hero{grid-template-columns:1fr;gap:48px;padding-top:56px}
 .t-call{grid-column:span 6;grid-row:auto}.t-pt,.t-pos{grid-column:span 3}.t-news,.t-cpi{grid-column:span 3}
 .meth,.samp{grid-template-columns:1fr}.worked{position:static}
 .req{grid-template-columns:1fr;gap:28px;padding:32px}
 .links>a:not(.btn){display:none}
}
@media (max-width:720px){
 .wrap{padding:0 18px}
 .by{display:none}
 .grid{grid-template-columns:1fr}.t-call,.t-pt,.t-pos,.t-news,.t-cpi{grid-column:auto}
 .tiers{grid-template-columns:1fr}
 .thead,.tr{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) 58px;gap:8px;padding:0 12px}
 .tv{grid-template-columns:1fr 58px;gap:6px}
 .proof{gap:20px}.proof span{font:400 13px/1.35 var(--sans)}
 .tk .lowc{display:none}
 .tfoot{flex-wrap:wrap;gap:12px}
 .sect{padding-top:80px}
 .tile{padding:20px}
 .form{grid-template-columns:1fr}
 .req{padding:22px}
 .samp .tbl thead{display:none}
 .samp .tbl tr{display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:12px 16px;border-bottom:1px solid var(--line)}
 .samp .tbl th,.samp .tbl td{padding:0;border:0}
 .samp .tbl td:nth-child(2),.samp .tbl td:nth-child(3),.samp .tbl td:nth-child(5){grid-column:1;font-size:12px;color:var(--mu)}
 .samp .tbl td.num{grid-column:2;grid-row:1}
 .samp .tbl td:last-child{grid-column:2;grid-row:2;text-align:right}
 .num .bar{display:none}
 .cov thead{display:none}
 .cov tr{display:grid;padding:14px 16px;border-bottom:1px solid var(--line);gap:2px}
 .cov th,.cov td{padding:0;border:0}
 .ptsc{grid-template-columns:1fr 1fr 1fr}
 .contrib li{grid-template-columns:96px 1fr 48px}
 .btn.sm{display:none}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
.how li b::after{content:" ·"}