/* Anivar — website.
   Warm paper, ink, and the app's one red (#C9605C, src/lib/palette.ts in the
   app repo). Red is reserved for what the AI marks: boxes, tags, the record
   dot. Everything else is ink. */

@font-face{font-family:'Instrument Serif';font-style:normal;font-weight:400;font-display:swap;
  src:url(fonts/instrument-serif-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Instrument Serif';font-style:italic;font-weight:400;font-display:swap;
  src:url(fonts/instrument-serif-latin-400-italic.woff2) format('woff2')}

:root{
  --paper:#FBFAF8; --paper-2:#F4F1EC; --tile:#F1EDE7; --tile-2:#E8E2DA;
  --ink:#161412; --ink-2:#4A4540; --ink-3:#6B645E; --line:#E4DED6; --line-2:#D3CBC1;
  --stroke:#2B2724;
  --red:#C9605C; --red-ink:#A3423E; --red-wash:rgba(201,96,92,.10);
  --serif:'Instrument Serif','Iowan Old Style','Palatino Linotype',Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI Variable Text','Segoe UI',system-ui,Roboto,'Helvetica Neue',Arial,sans-serif;
  --mono:ui-monospace,'SF Mono','Cascadia Mono',Consolas,Menlo,monospace;
  --maxw:1140px; --r:16px;
  --ease:cubic-bezier(.16,1,.3,1);
  --shadow:0 1px 2px rgba(22,20,18,.04),0 8px 24px -8px rgba(22,20,18,.10),0 32px 64px -32px rgba(22,20,18,.16);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:var(--red-ink);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:6px}
::selection{background:var(--red-wash)}
code{font-family:var(--mono);font-size:.88em;background:var(--paper-2);padding:.1em .35em;border-radius:5px}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;padding:10px 16px;background:var(--paper);
  border:1px solid var(--line-2);border-radius:10px}

/* ---------- type ---------- */
h1,h2,h3{font-weight:400;margin:0;letter-spacing:-.01em}
h1,h2{font-family:var(--serif)}
h1{font-size:clamp(46px,7.4vw,96px);line-height:.98;letter-spacing:-.02em}
h2{font-size:clamp(36px,5vw,60px);line-height:1.02}
h1 em,h2 em{font-style:italic;color:var(--red)}
h3{font-size:20px;font-weight:650;letter-spacing:-.012em;line-height:1.3}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 22px;font-size:13px;
  font-weight:600;letter-spacing:.02em;color:var(--ink-2)}
.pill{display:inline-block;padding:3px 10px;border:1px solid var(--line-2);border-radius:999px;
  font-size:12px;font-weight:650;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2);background:var(--paper)}
.lede{font-size:clamp(18px,2vw,21px);line-height:1.55;color:var(--ink-2);max-width:40em;margin:24px 0 0}
.muted{color:var(--ink-3)}
.kicker{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin:0 0 14px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 24px;border-radius:999px;
  font-size:16px;font-weight:600;text-decoration:none;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s,border-color .2s,color .2s}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{background:#2A2622;color:var(--paper)}
.btn-line{border:1px solid var(--line-2);color:var(--ink);background:var(--paper)}
.btn-line:hover{border-color:var(--ink);color:var(--ink)}
.btn svg{width:18px;height:18px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(251,250,248,.82);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;
  font-family:var(--serif);font-size:25px;letter-spacing:-.01em}
.brand img{width:30px;height:30px;border-radius:8px}
.nav nav{display:flex;gap:26px;margin-left:auto;font-size:15px}
.nav nav a{color:var(--ink-2);text-decoration:none}
.nav nav a:hover{color:var(--ink)}
.nav .btn{height:38px;padding:0 16px;font-size:14.5px}
@media (max-width:760px){ .nav nav{display:none} .nav .btn{margin-left:auto} }

/* ---------- hero ---------- */
.hero{padding:88px 0 40px;text-align:center}
.hero .lede{margin-left:auto;margin-right:auto}
.cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:36px}
.cta-req{margin:14px 0 0;font-size:13.5px;color:var(--ink-3);min-height:1.6em}

.wall{margin:56px auto 0;max-width:1080px;padding:10px;border:1px solid var(--line);
  border-radius:24px;background:var(--paper-2);box-shadow:var(--shadow)}
.wall-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.wall-grid svg{width:100%;height:auto;border-radius:14px;background:var(--tile)}
.wall-cap{display:flex;justify-content:space-between;gap:12px;padding:12px 8px 2px;
  font-size:12.5px;color:var(--ink-3)}
.wall-cap span:last-child{font-family:var(--mono)}
@media (max-width:680px){
  .wall{padding:8px;border-radius:20px}
  .wall-grid{grid-template-columns:1fr;gap:8px}
  .wall-cap span:first-child{display:none}
}

/* ---------- promise strip ---------- */
.promise{padding:72px 0 24px}
.promise ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line)}
.promise li{padding:22px 22px 0 0}
.promise b{display:block;font-size:16px;font-weight:650;margin-bottom:4px}
.promise span{font-size:15px;color:var(--ink-3);line-height:1.5}
@media (max-width:860px){ .promise ul{grid-template-columns:1fr 1fr;row-gap:8px} }
@media (max-width:480px){ .promise ul{grid-template-columns:1fr} }

/* ---------- sections ---------- */
section{padding:112px 0}
.head{max-width:44em;margin-bottom:64px}
.head h2 + p{font-size:19px;color:var(--ink-2);margin:20px 0 0;line-height:1.55}

/* feature rows */
.feats{display:grid;gap:112px}
.feat{display:grid;grid-template-columns:1.15fr 1fr;gap:72px;align-items:center}
.feat:nth-child(even) .feat-art{order:2}
.feat-art{border-radius:22px;background:var(--paper-2);border:1px solid var(--line);padding:14px}
.feat-art svg{width:100%;height:auto;border-radius:14px;background:var(--tile)}
.feat h3{font-family:var(--serif);font-size:clamp(30px,3.4vw,42px);font-weight:400;
  line-height:1.05;letter-spacing:-.015em}
.feat p{color:var(--ink-2);margin:18px 0 0}
.feat ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:9px}
.feat li{position:relative;padding-left:22px;color:var(--ink-2);font-size:16px;line-height:1.5}
.feat li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;
  border:1.5px solid var(--red);border-radius:2px}
@media (max-width:860px){
  .feats{gap:80px}
  .feat{grid-template-columns:1fr;gap:28px}
  .feat:nth-child(even) .feat-art{order:0}
}

/* on-device pipeline */
.machine{position:relative;border:1.5px dashed var(--line-2);border-radius:28px;padding:52px 28px 32px;
  background:linear-gradient(var(--paper),var(--paper)) padding-box}
.machine-label{position:absolute;top:-13px;left:28px;padding:0 10px;background:var(--paper);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:0}
.flow li{position:relative;padding:0 14px}
.flow li:first-child{padding-left:0}
.node{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;
  border:1.5px solid var(--stroke);background:var(--paper);margin-bottom:16px;position:relative;z-index:1}
.node svg{width:26px;height:26px;fill:none;stroke:var(--stroke);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.flow li:not(:last-child)::after{content:"";position:absolute;top:26px;left:52px;right:-14px;height:2px;
  background:linear-gradient(90deg,var(--line-2) 0 50%,transparent 50% 100%) 0 0/10px 2px repeat-x}
.flow b{display:block;font-size:15.5px;font-weight:650}
.flow span{display:block;font-size:14px;color:var(--ink-3);line-height:1.45;margin-top:4px}
.outside{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.outside div{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:var(--paper-2)}
.outside b{font-size:15px;font-weight:650}
.outside span{display:block;font-size:14px;color:var(--ink-3);line-height:1.45;margin-top:4px}
.outside .opt{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink-3);margin-left:6px}
@media (max-width:900px){
  .flow{grid-template-columns:1fr 1fr 1fr;row-gap:28px}
  .flow li:nth-child(3n)::after{display:none}
  .flow li:nth-child(3n+1){padding-left:0}
}
@media (max-width:560px){
  .machine{padding:44px 18px 20px}
  .flow{grid-template-columns:1fr;row-gap:0}
  .flow li{display:grid;grid-template-columns:52px 1fr;column-gap:16px;padding:0 0 22px!important}
  .flow li .node{grid-row:span 2;margin:0}
  .flow li::after{display:block!important;top:52px;bottom:0;left:25px;right:auto;width:2px;height:auto;
    background:linear-gradient(var(--line-2) 0 50%,transparent 50% 100%) 0 0/2px 10px repeat-y}
  .flow li:last-child::after{display:none!important}
  .outside{grid-template-columns:1fr}
}

/* comparison */
.cmp-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:20px;background:var(--paper)}
.cmp{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
.cmp th,.cmp td{padding:15px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);line-height:1.45}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:0}
.cmp thead th{font-size:14px;font-weight:650;color:var(--ink);background:var(--paper-2);position:sticky;top:0}
.cmp tbody th{font-weight:500;color:var(--ink-2);width:22%}
.cmp .us{background:rgba(201,96,92,.045)}
.cmp thead .us{background:#F6ECE9;color:var(--red-ink)}
.cmp td{color:var(--ink-2)}
.y,.n,.p{display:inline-block;width:1.2em;font-weight:700}
.y{color:var(--ink)} .n{color:var(--ink-3)} .p{color:var(--ink-3)}
.cmp-note{font-size:14px;color:var(--ink-3);margin:18px 2px 0;max-width:62em}

/* privacy */
.priv{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.priv div{border-top:1.5px solid var(--ink);padding-top:18px}
.priv b{display:block;font-size:17px;font-weight:650;margin-bottom:6px}
.priv p{margin:0;color:var(--ink-2);font-size:16px}
@media (max-width:860px){ .priv{grid-template-columns:1fr;gap:28px} }

/* download */
.dl-grid{display:grid;gap:16px;grid-template-columns:repeat(3,1fr);align-items:start}
@media (max-width:900px){ .dl-grid{grid-template-columns:1fr} }
.dl-card{display:flex;flex-direction:column;gap:10px;padding:26px 24px 24px;border:1px solid var(--line);
  border-radius:20px;background:var(--paper);transition:border-color .2s,box-shadow .2s}
.dl-card[data-you="1"]{border-color:var(--ink);box-shadow:var(--shadow)}
.dl-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.dl-card h3{font-size:22px}
.dl-badge{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--paper);background:var(--ink);padding:4px 9px;border-radius:999px}
.dl-badge:empty{display:none}
.dl-req{margin:0;font-size:14.5px;color:var(--ink-3);line-height:1.5}
.dl-get{margin-top:8px;justify-content:center}
.dl-file{margin:0;font-size:12.5px;color:var(--ink-3);font-family:var(--mono);word-break:break-all;line-height:1.5}
.dl-note{margin:0;padding-top:4px;font-size:14px;color:var(--ink-3);line-height:1.55}
.dl-alt-label{margin:8px 0 0;font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
.dl-alt{display:flex;flex-direction:column;gap:8px}
.dl-alt a{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;padding:10px 12px;border:1px solid var(--line);
  border-radius:12px;color:var(--ink);text-decoration:none;transition:border-color .2s,background .2s}
.dl-alt a:hover{border-color:var(--ink);background:var(--paper-2)}
.dl-alt strong{font-size:14px;font-family:var(--mono)}
.dl-alt span{font-size:12.5px;color:var(--ink-3)}
.dl-alt span[data-file]{margin-left:auto;font-family:var(--mono);white-space:nowrap}
.dl-foot{display:grid;gap:10px;margin-top:32px;max-width:66ch}
.dl-foot p{margin:0;font-size:15px;color:var(--ink-3);line-height:1.6}
.dl-foot strong{color:var(--ink-2);font-weight:600}

/* contribute */
.open{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}
.open-links{display:grid;gap:12px}
.open-links a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;
  border:1px solid var(--line);border-radius:16px;color:var(--ink);text-decoration:none;background:var(--paper);
  transition:border-color .2s,transform .2s var(--ease)}
.open-links a:hover{border-color:var(--ink);transform:translateX(3px)}
.open-links b{display:block;font-size:16px;font-weight:650}
.open-links span{display:block;font-size:14.5px;color:var(--ink-3);margin-top:2px}
.open-links i{font-style:normal;font-size:20px;color:var(--ink-3)}
.stack{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;padding:0;list-style:none}
.stack li{font-family:var(--mono);font-size:13px;padding:6px 11px;border:1px solid var(--line-2);border-radius:999px;color:var(--ink-2)}
@media (max-width:860px){ .open{grid-template-columns:1fr;gap:36px} }

/* footer */
footer{border-top:1px solid var(--line);padding:40px 0 56px;font-size:14.5px;color:var(--ink-3)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
footer nav{display:flex;flex-wrap:wrap;gap:22px}
footer a{color:var(--ink-2);text-decoration:none}
footer a:hover{color:var(--ink)}

/* reveal */
.rise{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rise.in{opacity:1;transform:none}
.no-js .rise{opacity:1;transform:none}

@media (max-width:560px){
  body{font-size:16px}
  section{padding:80px 0}
  .hero{padding:56px 0 24px}
  .head{margin-bottom:44px}
  .wrap{padding:0 16px}
  .btn{height:48px;padding:0 20px}
}

/* ==========================================================================
   Scenes. Every scene is drawn in its FINISHED state; animation only runs
   while the scene has .play, which the page adds when it scrolls into view
   and the visitor has not asked for reduced motion. So a still frame, a
   no-JS visitor and a screenshot all see the whole idea.
   ========================================================================== */
.s-bg{fill:var(--tile)}
.s-ln{fill:none;stroke:var(--stroke);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.s-soft{fill:none;stroke:#C4BAAE;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.s-paper{fill:var(--paper)}
.s-tile2{fill:var(--tile-2)}
.s-ink{fill:var(--ink)}
.s-red{fill:none;stroke:var(--red);stroke-width:2.2;stroke-linejoin:round}
.s-redf{fill:var(--red)}
.s-t{font-family:var(--sans);fill:var(--ink-2)}
.s-tb{font-family:var(--sans);font-weight:650;fill:var(--ink)}
.s-m{font-family:var(--mono);fill:var(--ink-3)}
.s-w{fill:#fff}
.s-wt{font-family:var(--sans);font-weight:650;fill:#fff}

.scene *{transform-box:fill-box}
/* covers that reveal typed text: invisible unless an animation drives them */
.typed,.type-cover,.plate-type{transform:scaleX(0);transform-origin:100% 50%}

@media (prefers-reduced-motion:no-preference){
  .play .an{animation-duration:8s;animation-iteration-count:infinite;animation-fill-mode:both}

  /* shared: shapes carry pathLength="100", so one dash length fits all */
  .play .rec{animation:blink 1.6s ease-in-out infinite}
  @keyframes blink{50%{opacity:.25}}
  .play .draw{stroke-dasharray:100;animation:draw 8s ease-out infinite both}
  @keyframes draw{0%,30%{stroke-dashoffset:100;opacity:1}40%,88%{stroke-dashoffset:0;opacity:1}
    96%,100%{stroke-dashoffset:0;opacity:0}}
  .play .pop{animation:pop 8s var(--ease) infinite both}
  @keyframes pop{0%,38%{opacity:0;transform:translateY(5px)}45%,88%{opacity:1;transform:none}
    96%,100%{opacity:0;transform:none}}
  .play .pop-late{animation:poplate 8s var(--ease) infinite both}
  @keyframes poplate{0%,46%{opacity:0;transform:translateY(6px)}54%,88%{opacity:1;transform:none}
    96%,100%{opacity:0;transform:none}}
  .play .scan{animation:scan 8s linear infinite both}
  @keyframes scan{0%,24%{opacity:0;transform:translateY(0)}26%{opacity:.9}
    37%{opacity:.9;transform:translateY(176px)}39%,100%{opacity:0;transform:translateY(176px)}}

  /* hero 1 · a person arrives */
  .play .walk-in{animation:walkin 8s cubic-bezier(.3,.7,.3,1) infinite both}
  @keyframes walkin{0%{opacity:0;transform:translateX(-150px)}4%{opacity:1}
    24%,90%{opacity:1;transform:none}97%,100%{opacity:0;transform:none}}

  /* hero 2 · a car approaches, its plate is read */
  .play .approach{animation:approach 8s cubic-bezier(.25,.7,.25,1) infinite both;transform-origin:50% 100%}
  @keyframes approach{0%{opacity:0;transform:translateY(-30px) scale(.5)}5%{opacity:1}
    28%,90%{opacity:1;transform:none}97%,100%{opacity:0;transform:none}}
  .play .typed{animation:typed 8s steps(8,end) infinite both}
  @keyframes typed{0%,46%{transform:scaleX(1)}58%,100%{transform:scaleX(0)}}

  /* hero 3 · a sound is heard and named */
  .play .eq{animation:eq .9s ease-in-out infinite alternate;transform-origin:50% 100%}
  @keyframes eq{0%{transform:scaleY(.35)}100%{transform:scaleY(1)}}

  /* hero 4 · a question typed, then answered */
  .play .bubble{animation:bubble 8s var(--ease) infinite both;transform-origin:100% 50%}
  @keyframes bubble{0%{opacity:0;transform:scale(.92)}5%,90%{opacity:1;transform:none}97%,100%{opacity:0}}
  .play .type-cover{animation:typecover 8s steps(36,end) infinite both}
  @keyframes typecover{0%,6%{transform:scaleX(1)}30%,100%{transform:scaleX(0)}}
  .play .dots{animation:dots 8s linear infinite both}
  @keyframes dots{0%,31%{opacity:0}33%,38%{opacity:1}40%,100%{opacity:0}}

  /* the wall wakes one tile at a time rather than all at once */
  .play .t2 :is(.approach,.draw,.pop,.typed){animation-delay:1.6s}
  .play .t3 .pop{animation-delay:3.2s}
  .play .t4 :is(.bubble,.type-cover,.dots,.pop,.pop-late){animation-delay:4.8s}

  /* feature · timeline: the playhead scrubs and the frame follows it */
  .play .playhead{animation:playhead 9s cubic-bezier(.45,0,.2,1) infinite both}
  @keyframes playhead{0%{transform:translateX(-170px)}30%,42%{transform:translateX(-60px)}72%,100%{transform:none}}
  .play .walker{animation:walker 9s cubic-bezier(.45,0,.2,1) infinite both}
  @keyframes walker{0%{transform:translateX(-200px)}30%,42%{transform:translateX(-90px)}72%,100%{transform:none}}
  .play .ev-pin{animation:pin 9s ease-out infinite both;transform-origin:50% 50%}
  @keyframes pin{0%,68%{transform:scale(1)}74%{transform:scale(1.6)}82%,100%{transform:scale(1)}}

  /* feature · faces: each face is ringed, then named, one after another */
  .play .ring1,.play .ring2,.play .ring3{stroke-dasharray:100}
  .play .ring1{animation:ring1 8s ease-out infinite both}
  .play .ring2{animation:ring2 8s ease-out infinite both}
  .play .ring3{animation:ring3 8s ease-out infinite both}
  @keyframes ring1{0%,6%{stroke-dashoffset:100;opacity:1}16%,88%{stroke-dashoffset:0;opacity:1}96%,100%{opacity:0}}
  @keyframes ring2{0%,20%{stroke-dashoffset:100;opacity:1}30%,88%{stroke-dashoffset:0;opacity:1}96%,100%{opacity:0}}
  @keyframes ring3{0%,34%{stroke-dashoffset:100;opacity:1}44%,88%{stroke-dashoffset:0;opacity:1}96%,100%{opacity:0}}
  .play .name1{animation:name1 8s var(--ease) infinite both}
  .play .name2{animation:name2 8s var(--ease) infinite both}
  .play .name3{animation:name3 8s var(--ease) infinite both}
  .play .name4{animation:name4 8s var(--ease) infinite both}
  @keyframes name1{0%,15%{opacity:0;transform:translateY(5px)}21%,88%{opacity:1;transform:none}96%,100%{opacity:0}}
  @keyframes name2{0%,29%{opacity:0;transform:translateY(5px)}35%,88%{opacity:1;transform:none}96%,100%{opacity:0}}
  @keyframes name3{0%,43%{opacity:0;transform:translateY(5px)}49%,88%{opacity:1;transform:none}96%,100%{opacity:0}}
  @keyframes name4{0%,54%{opacity:0;transform:translateY(5px)}60%,88%{opacity:1;transform:none}96%,100%{opacity:0}}

  /* feature · plates: characters appear left to right */
  .play .plate-type{animation:platetype 8s steps(8,end) infinite both}
  @keyframes platetype{0%,12%{transform:scaleX(1)}34%,100%{transform:scaleX(0)}}

  /* feature · sounds: the spectrogram scrolls */
  .play .spec{animation:spec 6s linear infinite}
  @keyframes spec{to{transform:translateX(-200px)}}

  /* feature · alerts */
  .play .slide-in{animation:slidein 8s var(--ease) infinite both}
  @keyframes slidein{0%,8%{opacity:0;transform:translateX(40px)}18%,88%{opacity:1;transform:none}96%,100%{opacity:0}}

  /* pipeline: data marches along the connectors, each stage lights in turn */
  .play .flow li::after{animation:march .8s linear infinite}
  @keyframes march{to{background-position:10px 0}}
  .play .node{animation:lit 6s ease-in-out infinite both}
  .play li:nth-child(2) .node{animation-delay:1s}
  .play li:nth-child(3) .node{animation-delay:2s}
  .play li:nth-child(4) .node{animation-delay:3s}
  .play li:nth-child(5) .node{animation-delay:4s}
  .play li:nth-child(6) .node{animation-delay:5s}
  @keyframes lit{0%,20%,100%{border-color:var(--stroke);box-shadow:none}
    8%{border-color:var(--red);box-shadow:0 0 0 6px var(--red-wash)}}
}
@media (prefers-reduced-motion:no-preference) and (max-width:560px){
  @keyframes march{to{background-position:0 10px}}
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}