/* Sign-in page components: background, sign-in form, the story (theatre) and the feature tiles. Page layout: login-site.css */
@font-face{font-family:"Literata";src:url("fonts/literata-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Literata";src:url("fonts/literata-400i.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Literata";src:url("fonts/literata-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Literata";src:url("fonts/literata-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Atkinson Hyperlegible";src:url("fonts/atkinson-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Atkinson Hyperlegible";src:url("fonts/atkinson-700.woff2") format("woff2");font-weight:700;font-display:swap}

body.lg{
  --desk:#0a1326; --desk2:#26324a; --paper:#fff; --ink:#e8ecf4; --muted:#a3adbf; --navy:#14213d; --navy2:#1d2d52; --navy3:#0e1830;
  --tag:#f2c230; --pil:#7a3fd2; --err:#d23f3f; --ok:#1f9d55; --lnk:#3b9ae1; --xt:#0f766e; --sel:#2f6fdf;
  --serif:"Literata",Georgia,"Times New Roman",serif; --sans:"Atkinson Hyperlegible","Segoe UI",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--desk);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.5
}
/* ---------------- living background: aurora, dot grid, the text stream (canvas), pointer light */
.bgfx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background:radial-gradient(120% 90% at 30% 40%,#0f1d3a 0%,#0a1326 55%,#070d1b 100%)}
.bgfx .au{position:absolute;border-radius:50%;opacity:0;will-change:transform;animation:auIn 1.6s ease-out .1s forwards,drift 26s ease-in-out infinite alternate}
.bgfx .a1{width:58vw;height:58vw;left:-14vw;top:-22vw;background:radial-gradient(circle,rgba(47,111,223,.55),rgba(47,111,223,0) 65%)}
.bgfx .a2{width:46vw;height:46vw;left:28vw;top:38vh;background:radial-gradient(circle,rgba(122,63,210,.42),rgba(122,63,210,0) 65%);animation-duration:1.6s,31s;animation-delay:.3s,-8s}
.bgfx .a3{width:40vw;height:40vw;right:-10vw;top:-8vw;background:radial-gradient(circle,rgba(14,116,144,.40),rgba(14,116,144,0) 65%);animation-duration:1.6s,23s;animation-delay:.5s,-4s}
@keyframes auIn{to{opacity:1}}
@keyframes drift{0%{transform:translate(0,0) scale(1)}50%{transform:translate(4vw,3vh) scale(1.08)}100%{transform:translate(-3vw,5vh) scale(.95)}}
.bgfx .grid{position:absolute;inset:0;background-image:radial-gradient(rgba(201,212,234,.10) 1px,transparent 1.2px);background-size:26px 26px;
  -webkit-mask-image:radial-gradient(80% 70% at 35% 45%,#000 20%,transparent 75%);mask-image:radial-gradient(80% 70% at 35% 45%,#000 20%,transparent 75%)}
.bgfx canvas{position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity 1.4s ease-out}
.bgfx canvas.on{opacity:1}
.bgfx .spot{position:absolute;inset:0;background:radial-gradient(520px circle at var(--mx,-999px) var(--my,-999px),rgba(95,178,255,.11),transparent 60%);transition:opacity .4s}
.bgfx .vig{position:absolute;inset:0;background:radial-gradient(130% 100% at 40% 40%,transparent 55%,rgba(3,7,16,.55) 100%)}


.lg-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:#fff}
.lg-mark{background:var(--sel);color:#fff;border-radius:6px;padding:3px 8px;font-size:13px;letter-spacing:.02em}
@property --ang{syntax:"<angle>";inherits:false;initial-value:0deg}
.lg-form::before{content:"";position:absolute;inset:0;border-radius:16px;padding:1.2px;pointer-events:none;
  background:conic-gradient(from var(--ang),rgba(242,194,48,0) 0deg,rgba(242,194,48,.85) 70deg,rgba(167,123,240,.8) 140deg,rgba(95,178,255,.7) 200deg,rgba(95,178,255,0) 260deg,rgba(242,194,48,0) 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);
  animation:spin 9s linear infinite}
@keyframes spin{to{--ang:360deg}}
.lg-form label{display:block;font-size:14px;color:#c4cee2;margin:16px 0 6px}
.lg-form input{width:100%;height:46px;border-radius:7px;border:1px solid #33466f;background:rgba(5,10,22,.7);color:#fff;
  font:400 16px var(--sans);padding:0 14px;outline:none;transition:border-color .15s,box-shadow .15s}
.lg-form input:focus{border-color:var(--tag);box-shadow:0 0 0 3px rgba(242,194,48,.28)}
.lg-pw{position:relative}.lg-pw input{padding-right:70px}
.lg-eye{position:absolute;right:6px;top:7px;height:32px;padding:0 10px;border:0;border-radius:5px;background:transparent;color:#c4cee2;
  font:700 13px var(--sans);cursor:pointer}
.lg-eye:hover{background:var(--navy2);color:#fff}.lg-eye:focus-visible{outline:2px solid var(--tag)}
.lg-caps{margin:8px 0 0;font-size:14px;color:var(--tag)}
.lg-go{margin-top:26px;width:100%;height:48px;border:0;border-radius:7px;color:#172033;font:700 16px var(--sans);
  background:linear-gradient(110deg,#f2c230 0%,#f2c230 42%,#ffe596 50%,#f2c230 58%,#f2c230 100%);background-size:260% 100%;animation:shine 5s ease-in-out 2s infinite;
  box-shadow:0 8px 24px rgba(242,194,48,.22);
  cursor:pointer;transition:transform .08s,filter .15s}
.lg-go:hover{filter:brightness(1.06)}.lg-go:active{transform:translateY(1px)}
.lg-go:focus-visible{outline:3px solid #fff;outline-offset:2px}
.lg-go[disabled]{filter:saturate(.4);cursor:progress}
.lg-msg{margin:0 0 10px;padding:10px 12px;border-radius:7px;font-size:14.5px}
.lg-msg.error{background:#4a1e26;color:#ffd9d9;border:1px solid #8f3340}.lg-msg.ok{background:#173a2a;color:#d4f5e2;border:1px solid #2d6b4c}
.lg-note{font-size:14px;color:#9fb0cf;margin:16px 0 0}


/* ---------------- theatre (fixed 960 x 450 canvas, scaled to the width) */
.th-box{max-width:1200px}
.th-stage{position:relative;width:100%;height:450px}
.th{position:absolute;left:0;top:0;width:960px;height:450px;transform-origin:0 0;font-family:var(--sans)}
.th.instant *,.th.instant *::before,.th.instant *::after{transition:none!important;animation:none!important}
.th.paused *,.th.paused *::before,.th.paused *::after{animation-play-state:paused!important}

/* the book page */
.pg{position:absolute;left:24px;top:14px;width:340px;height:420px;background:var(--paper);box-shadow:0 2px 3px rgba(23,32,51,.10),0 14px 34px rgba(23,32,51,.16);
  padding:34px 30px 0 34px;font-family:var(--serif);font-size:11.6px;line-height:1.56;color:#1b1b1b;transition:filter .9s,transform .9s;overflow:visible}
.pg .rh{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.06em;color:#555;margin-bottom:16px;padding:1px 0;transition:background .4s}
.pg h3{font-family:var(--serif);font-size:16px;font-weight:600;margin:0 0 10px;position:relative}
.pg h3 .num{margin-right:10px}
.pg p{margin:0;position:relative;text-align:justify;hyphens:auto}
.pg p + p{text-indent:1.4em}
.pg .b-fn{position:absolute;left:34px;right:30px;bottom:26px;font-size:9.4px;line-height:1.45;text-indent:0;padding-top:6px;border-top:1px solid #bbb;transition:background .5s}
.pg .w{position:relative}
.pg sup{font-size:.68em;line-height:0}
.pg .glyph{font-family:Arial,sans-serif;font-size:.9em}
.pg .v1{display:none;text-indent:0}
/* scan look */
.pg-scan{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .9s;
  background:repeating-radial-gradient(circle at 30% 20%,rgba(0,0,0,.05) 0 1px,transparent 1px 3px),linear-gradient(105deg,rgba(0,0,0,.06),transparent 40%,rgba(0,0,0,.05))}
.th.t-scan .pg{filter:grayscale(1) contrast(1.2) blur(.55px);transform:rotate(-1.1deg)}
.th.t-scan .pg-scan{opacity:1}
.th.t-clean .pg{filter:none;transform:none}
.th.t-clean .pg-scan{opacity:0}
.pg-beam{position:absolute;left:-6px;right:-6px;top:-30px;height:30px;pointer-events:none;opacity:0;
  background:linear-gradient(180deg,rgba(47,111,223,0),rgba(47,111,223,.22) 70%,rgba(47,111,223,.9) 96%,rgba(47,111,223,0))}
.th.t-beam .pg-beam{animation:beam 2.7s cubic-bezier(.45,.05,.55,.95) forwards}
@keyframes beam{0%{top:-30px;opacity:1}92%{opacity:1}100%{top:420px;opacity:0}}
/* layout boxes found by the reader */
.th[data-scene=read] .blk::after{content:attr(data-box);position:absolute;right:-6px;top:-13px;font:700 8.5px var(--sans);color:#fff;background:var(--sel);
  padding:0 5px;border-radius:2px;opacity:0;transition:opacity .4s;transition-delay:var(--d,0s);text-indent:0}
.th[data-scene=read] .blk{outline:1.4px dashed transparent;outline-offset:3px;transition:outline-color .4s;transition-delay:var(--d,0s)}
.th[data-scene=read].t-boxes .blk{outline-color:rgba(47,111,223,.85)}
.th[data-scene=read].t-boxes .blk::after{opacity:1}
.th[data-scene=read].t-clean .blk{outline-color:transparent;transition-delay:0s}
.th[data-scene=read].t-clean .blk::after{opacity:0;transition-delay:0s}
.pg .b-h{--d:.15s}.pg .b-p1{--d:.7s}.pg .b-p2{--d:1.3s}.pg .b-fn{--d:2s}
/* doubtful / broken words */
.pg .err{background:linear-gradient(var(--err),var(--err)) left bottom/0 1.6px no-repeat;transition:background-size .5s,background-image .3s}
.th.t-flag .pg .err{background-size:100% 1.6px}
.th.t-ok1 #wO,.th.t-ok2 #wE{background-image:linear-gradient(var(--ok),var(--ok))}
.th.t-fix1 #wO>.v0,.th.t-fix1 #wO .bal .v0,.th.t-fix2 #wE>.v0,.th.t-fix2 #wE .bal .v0{display:none}
.th.t-fix1 #wO>.v1,.th.t-fix1 #wO .bal .v1,.th.t-fix2 #wE>.v1,.th.t-fix2 #wE .bal .v1{display:inline-block;animation:type .55s steps(6,end)}
@keyframes type{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
/* styles measured from the scan */
.pg #wB,.pg #wI,.pg #wS{border-radius:2px;transition:box-shadow .4s}
.th[data-scene=read].t-styles #wB{box-shadow:0 0 0 1.5px #2f6fdf}
.th[data-scene=read].t-styles #wI{box-shadow:0 0 0 1.5px #be185d;transition-delay:.25s}
.th[data-scene=read].t-styles #wS{box-shadow:0 0 0 1.5px #c2410c;transition-delay:.5s}
.th[data-scene=read].t-clean #wB,.th[data-scene=read].t-clean #wI,.th[data-scene=read].t-clean #wS{box-shadow:none;transition-delay:0s}
/* selection and the word balloon (Encoding / Spelling) */
.pg .sel{position:absolute;left:0;top:0;width:0;height:0;background:rgba(47,111,223,.28);outline:1px solid var(--sel);opacity:0;pointer-events:none;
  transition:left .45s cubic-bezier(.3,.7,.2,1),top .45s cubic-bezier(.3,.7,.2,1),width .45s,height .45s,opacity .3s}
.th[data-scene=check].t-sel1 .pg .sel{opacity:1}
.pg .bal{position:absolute;left:-5px;bottom:calc(100% + 5px);background:#2b2f36;color:#fff;font:400 17px/1.25 Arial,Helvetica,sans-serif;
  padding:3px 8px 4px;border-radius:4px;white-space:nowrap;border:1.5px solid var(--err);opacity:0;transform:translateY(5px) scale(.96);
  transform-origin:left bottom;transition:opacity .25s,transform .25s,border-color .3s;pointer-events:none;text-indent:0;z-index:3}
.pg .bal .q{color:#f87171;font-weight:700}
.th[data-scene=check].t-sel1:not(.t-sel2) #wO .bal,.th[data-scene=check].t-sel2 #wE .bal{opacity:1;transform:none}
.th.t-ok1 #wO .bal,.th.t-fix2 #wE .bal{border-color:var(--ok)}
/* tags on the page (Blocks stage look) */
.pg .rh{background:linear-gradient(var(--err),var(--err)) left 50%/0 1.2px no-repeat}
.th.t-del .pg .rh{background-color:rgba(120,120,120,.22);background-size:100% 1.2px;color:#888;transition:background-size .6s,background-color .4s}
.th.t-tags .pg .blk::before{content:attr(data-tag);position:absolute;left:-30px;top:1px;font:700 8.5px/1 var(--sans);color:#3d2f00;background:var(--tag);
  padding:2.5px 3px;border-radius:2px;text-indent:0;animation:pop .35s cubic-bezier(.3,1.6,.5,1) both;animation-delay:var(--d,0s)}
.th.t-tags .pg .b-fn::before{top:7px}
.th.t-pil .pg .blk>.pil{display:inline}
.pg .pil{display:none;color:var(--pil);font-weight:700;font-family:var(--sans);margin-left:2px;animation:pop .35s cubic-bezier(.3,1.6,.5,1) both;animation-delay:var(--d,0s)}
@keyframes pop{from{transform:scale(.2);opacity:0}to{transform:none;opacity:1}}
.th.t-link .pg .fnr{background:rgba(59,154,225,.35);border-radius:2px}
.th.t-link .pg .b-fn{background:rgba(242,194,48,.18)}
.th-svg{position:absolute;left:0;top:0;width:960px;height:450px;pointer-events:none;overflow:visible}
.th-svg path{fill:none;stroke:var(--lnk);stroke-width:1.4;stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600);opacity:0;transition:stroke-dashoffset 1.1s ease-in-out,opacity .2s}
.th.t-link .th-svg path{stroke-dashoffset:0;opacity:1}
.th[data-scene=flow] .th-svg path,.th[data-scene=build] .th-svg path,.th[data-scene=team] .th-svg path{opacity:.35}
.pg #wI{background:linear-gradient(var(--xt),var(--xt)) left calc(100% + 1px)/0 1.2px no-repeat;transition:background-size .5s,box-shadow .4s}
.th.t-cite .pg #wI{background-size:100% 1.2px}
.pg .pin{position:absolute;right:20px;top:58px;font:700 8px var(--sans);color:#3d2f00;background:var(--tag);border-radius:8px 8px 8px 0;padding:2px 5px;
  opacity:0;transform:scale(.3);transform-origin:left bottom;transition:opacity .3s,transform .35s cubic-bezier(.3,1.6,.5,1)}
.th[data-scene=team].t-n1 .pg .pin{opacity:1;transform:none}
.th[data-scene=team].t-n2 .pg .pin{background:#bfe8cf;color:#14532d}

/* ---------------- right-hand panels, one per scene */
.pn{position:absolute;left:400px;top:14px;width:540px;height:420px;opacity:0;visibility:hidden;transition:opacity .45s,visibility 0s .45s}
.th[data-scene=read] .p-read,.th[data-scene=check] .p-check,.th[data-scene=tags] .p-tags,.th[data-scene=flow] .p-flow,
.th[data-scene=build] .p-build,.th[data-scene=team] .p-team{opacity:1;visibility:visible;transition:opacity .45s}
.fade{opacity:0;transform:translateX(18px);transition:opacity .45s,transform .45s cubic-bezier(.2,.7,.2,1)}

/* 1 read */
.rd{position:absolute;left:10px;width:430px;display:grid;grid-template-columns:96px 1fr auto;align-items:center;gap:10px;background:var(--paper);
  border-radius:6px;padding:12px 16px;box-shadow:0 1px 2px rgba(23,32,51,.08);opacity:0;transform:translateX(18px);transition:opacity .45s,transform .45s cubic-bezier(.2,.7,.2,1)}
.rd1{top:36px}.rd2{top:102px;transition-delay:.25s}
.rd-n{font-size:13px;color:var(--muted)}.rd b{font-size:15px}
.rd-w{font-family:var(--serif);font-size:24px}.rd-w .d{border-radius:3px;transition:background .4s}
.th.t-readers .rd{opacity:1;transform:none}
.th.t-flag .rd1 .d{background:rgba(210,63,63,.22)}.th.t-flag .rd2 .d{background:rgba(31,157,85,.22)}
.rd-v{position:absolute;left:12px;top:172px;width:430px;margin:0;font-size:16px;opacity:0;transition:opacity .4s}
.rd-v u{text-decoration:none;background:linear-gradient(var(--err),var(--err)) left bottom/100% 2px no-repeat}
.th.t-flag .rd-v{opacity:1}
.rd-st{position:absolute;left:12px;top:228px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;width:470px;font-size:15px}
.rd-st>span{opacity:0;transform:translateY(6px);transition:opacity .35s,transform .35s}
.rd-st .st-b,.rd-st .st-i,.rd-st .st-s{padding:3px 10px;border-radius:5px;background:var(--paper);font-weight:700}
.rd-st .st-b{box-shadow:inset 0 0 0 1.5px #2f6fdf;color:#2f6fdf}.rd-st .st-i{box-shadow:inset 0 0 0 1.5px #be185d;color:#be185d;font-style:italic;transition-delay:.25s}
.rd-st .st-s{box-shadow:inset 0 0 0 1.5px #c2410c;color:#c2410c;transition-delay:.5s}.rd-st .rd-sl{color:var(--muted);transition-delay:.7s}
.th.t-styles .rd-st>span{opacity:1;transform:none}
.rd-srv{position:absolute;left:12px;top:300px;display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;opacity:0;transition:opacity .4s}
.srv-dot{width:11px;height:11px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(31,157,85,.5)}
.th.t-clean .rd-srv{opacity:1}.th.t-clean .srv-dot{animation:ping 1.6s ease-out infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(31,157,85,.5)}100%{box-shadow:0 0 0 12px rgba(31,157,85,0)}}

/* 2 check */
.keys{position:absolute;left:10px;top:30px;display:grid;grid-template-columns:auto 1fr;gap:14px 16px;align-items:center;font-size:16px}
.keys kbd{font:700 15px var(--sans);min-width:76px;text-align:center;padding:8px 12px;background:var(--paper);color:var(--ink);border-radius:7px;
  box-shadow:0 3px 0 #a9b3c3,0 3px 8px rgba(23,32,51,.12);transition:background .3s}
.keys span{color:var(--muted);transition:color .3s}
.th.t-k1 .k-en,.th.t-k2 .k-sp,.th.t-k3 .k-se{animation:press .6s ease-out;background:#fff6d6}
.th.t-k1 .k-en+span,.th.t-k2 .k-sp+span,.th.t-k3 .k-se+span{color:var(--ink)}
@keyframes press{0%{transform:none}25%{transform:translateY(3px);box-shadow:0 0 0 #a9b3c3;background:var(--tag)}100%{transform:none}}
.ent{position:absolute;left:10px;top:196px;width:330px;background:var(--paper);border-radius:7px;padding:12px 16px;font-size:15px;
  box-shadow:0 1px 2px rgba(23,32,51,.08);opacity:0;transform:translateY(8px);transition:opacity .4s,transform .4s}
.ent p{margin:2px 0}.ent-g{font-family:var(--serif);font-size:22px;color:var(--pil);margin:0 4px}
.ent-all{color:var(--ok);font-weight:700;opacity:0;transition:opacity .4s}
.th.t-ent .ent{opacity:1;transform:none}.th.t-fix2 .ent-all{opacity:1}
.cnt{position:absolute;left:10px;top:340px;font-size:17px;display:flex;align-items:baseline;gap:12px}
.cnt b{font-family:var(--serif);font-size:40px;line-height:1;color:var(--err);position:relative;display:inline-block;min-width:30px}
.cnt b span{display:none}.cnt .c2{display:inline}
.th.t-ok1 .cnt .c2{display:none}.th.t-ok1 .cnt .c1{display:inline;animation:tick .4s}
.th.t-fix2 .cnt .c1{display:none}.th.t-fix2 .cnt .c0{display:inline;animation:tick .4s}.th.t-fix2 .cnt b{color:var(--ok)}
@keyframes tick{from{transform:translateY(-10px);opacity:0}to{transform:none;opacity:1}}

/* 3 structure */
.pal{position:absolute;left:10px;top:20px;width:400px;background:var(--paper);border-radius:8px;box-shadow:0 10px 28px rgba(23,32,51,.18);padding:12px;
  opacity:0;transform:translateY(10px);transition:opacity .4s,transform .4s}
.th.t-pal .pal{opacity:1;transform:none}
.pal-res{margin-top:8px;padding:8px 10px;border-top:1px solid #e3e7ee;font:14px var(--serif);color:var(--ink);opacity:0;transition:opacity .4s}
.pal-res code{font:600 13px var(--mono);color:var(--xt)}
.th.t-cite .pal-res{opacity:1}.th.t-cite .pal-li:not(.on){opacity:.45}
.pal-in{border:2px solid var(--sel);border-radius:6px;padding:7px 10px;font:400 16px var(--mono);display:flex;align-items:center;margin-bottom:8px}
.pal-t{display:inline-block;overflow:hidden;white-space:nowrap;width:0}.th.t-pal .pal-t{animation:typew .6s steps(2,end) .5s forwards}
@keyframes typew{to{width:2ch}}
@keyframes shine{0%,70%{background-position:100% 0}100%{background-position:0 0}}
.caret{width:2px;height:18px;background:var(--ink);margin-left:2px;animation:blink 1s steps(2,start) infinite}
@keyframes blink{to{visibility:hidden}}
.pal-li{display:flex;justify-content:space-between;gap:14px;padding:6px 10px;border-radius:5px;font-size:14px;color:var(--muted)}
.pal-li code{font:600 14px var(--mono);color:var(--pil)}
.pal-li.on{background:#e6efff;color:var(--ink)}
.lgd{position:absolute;left:10px;top:250px;margin:0;padding:0;list-style:none;font-size:16px}
.lgd li{display:flex;align-items:center;gap:12px;margin:9px 0;color:var(--muted);opacity:.35;transition:opacity .4s,color .4s}
.lgd i{display:inline-block;width:26px;height:16px;font-style:normal;text-align:center;font:700 10px/16px var(--sans)}
.i-tag{background:var(--tag);color:#3d2f00;border-radius:2px}.i-pil{color:var(--pil);font-size:12px!important;font-weight:800}
.i-del{background:linear-gradient(var(--err),var(--err)) center/100% 1.4px no-repeat,rgba(120,120,120,.25)}
.i-lnk{background:rgba(59,154,225,.45);border-radius:2px}.i-xt{background:linear-gradient(var(--xt),var(--xt)) left bottom/100% 2px no-repeat}
.th.t-del .lgd .l3,.th.t-tags .lgd .l1,.th.t-pil .lgd .l2,.th.t-link .lgd .l4,.th.t-cite .lgd .l5{opacity:1;color:var(--ink)}

/* 4 reflow */
.dev{position:absolute;left:20px;top:0;width:250px;height:418px;background:#202838;border-radius:22px;padding:12px;box-shadow:0 14px 34px rgba(23,32,51,.25);
  opacity:0;transform:translateX(24px);transition:opacity .5s,transform .5s,width 1.2s cubic-bezier(.6,0,.3,1)}
.th.t-dev .dev{opacity:1;transform:none}
.th.t-wide .dev{width:410px}
.dev-bar{display:flex;justify-content:space-between;color:#9aa6bd;font:700 11px var(--sans);padding:2px 8px 6px}
.scr{background:#fbfaf6;border-radius:12px;height:calc(100% - 26px);overflow:hidden;padding:16px 16px;font-family:var(--serif);font-size:11px;line-height:1.6;color:#1d1d1d;
  transition:font-size .6s,background .6s,color .6s}
.scr h4{font-size:1.45em;font-weight:600;margin:0 0 .6em;line-height:1.25}
.scr p{margin:0 0 .5em;text-align:left;hyphens:auto}
.scr p+p{text-indent:1.3em}.scr .fn{font-size:.85em;color:#555;text-indent:0;border-top:1px solid #d8d4c8;padding-top:.4em;margin-top:.8em}
.scr a{color:#1f6fd1;font-size:.72em;vertical-align:super;line-height:0}.scr cite{font-style:italic}
.scr>*{opacity:0;transition:opacity .45s}
.th.t-pour .scr>*{opacity:1;transition-delay:calc(var(--i,0) * .22s + .75s)}
.th.t-big .scr{font-size:13px}
.th.t-night .scr{background:#1b2130;color:#e6e1d6}.th.t-night .scr .fn{color:#aab1c0;border-color:#3a4256}.th.t-night .scr a{color:#7db6ff}
.fxl{position:absolute;left:452px;top:250px;width:88px;font-size:12.5px;color:var(--muted);opacity:0;transform:translateY(8px);transition:opacity .4s,transform .4s}
.fxl-pg{width:70px;height:88px;background:var(--paper);box-shadow:0 4px 12px rgba(23,32,51,.18);padding:9px 8px;margin-bottom:6px}
.fxl-pg i{display:block;height:3px;background:#c9ced8;margin:0 0 5px}.fxl-pg i:first-child{width:60%;height:5px;background:#9aa3b2}
.th.t-fxl .fxl{opacity:1;transform:none}
.fly{position:absolute;margin:0;pointer-events:none;transform-origin:0 0;z-index:5;background:rgba(255,255,255,.0)}

/* 5 validate */
.mst{position:absolute;left:0;top:176px;width:112px;padding:12px 12px;background:var(--navy);color:#fff;border-radius:8px;font:700 14px var(--sans);text-align:center;
  opacity:0;transform:scale(.8);transition:opacity .4s,transform .4s cubic-bezier(.3,1.5,.5,1)}
.th.t-mst .mst{opacity:1;transform:none}
.outs{position:absolute;left:136px;top:14px;width:404px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.out{position:relative;background:var(--paper);border-radius:7px;padding:14px 12px 14px 20px;min-height:186px;display:flex;flex-direction:column;gap:8px;
  box-shadow:0 1px 2px rgba(23,32,51,.08),0 8px 18px rgba(23,32,51,.08);overflow:hidden;opacity:0;
  transform:translate(var(--fx,-150px),var(--fy,0)) scale(.35);transition:opacity .5s,transform .7s cubic-bezier(.2,.8,.2,1)}
.out::before{content:"";position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--c,#2f6fdf)}
.out b{font-size:16px;line-height:1.2}
.o1{--c:#64748b;--fx:-160px;--fy:150px}.o2{--c:#2f6fdf;--fx:-360px;--fy:150px;transition-delay:.12s}
.o3{--c:#7a3fd2;--fx:-160px;--fy:-50px;transition-delay:.24s}.o4{--c:#1f9d55;--fx:-360px;--fy:-50px;transition-delay:.36s}
.th.t-outs .out{opacity:1;transform:none}
.out::after{content:"";position:absolute;top:0;bottom:0;left:-30%;width:30%;background:linear-gradient(90deg,transparent,rgba(47,111,223,.18),transparent);opacity:0}
.th.t-chk .out::after{animation:scan 1s ease-in-out both;animation-delay:var(--sd,0s)}
.o1{--sd:0s}.o2{--sd:.35s}.o3{--sd:.7s}.o4{--sd:1.05s}
@keyframes scan{0%{left:-30%;opacity:1}100%{left:100%;opacity:1}}
.out .ok{align-self:flex-start;font-size:13.5px;font-weight:700;color:var(--ok);background:#e3f5ea;border-radius:5px;padding:2px 8px;opacity:0;transform:scale(.6);
  transition:opacity .3s,transform .35s cubic-bezier(.3,1.6,.5,1);transition-delay:calc(var(--sd,0s) + .9s)}
.th.t-chk .out .ok{opacity:1;transform:none}
.out .ace{transition-delay:.2s!important}
.th.t-chk .out .ace{opacity:0;transform:scale(.6)}.th.t-chk.t-ace .out .ace{opacity:1;transform:none}
.out .fnm{margin-top:auto;font:11px var(--mono);color:var(--muted);white-space:nowrap;overflow:hidden;width:0;transition:width 1s steps(22,end);transition-delay:var(--sd,0s)}
.th.t-names .out .fnm{width:100%}

/* 6 team */
.lane{position:absolute;left:10px;top:60px;width:520px;height:110px}
.lane::before{content:"";position:absolute;left:44px;right:60px;top:27px;height:2px;background:repeating-linear-gradient(90deg,#9aa6bd 0 6px,transparent 6px 12px)}
.who{position:absolute;top:0;width:110px;text-align:center;font-size:15px;color:var(--muted)}
.who .av{display:flex;width:56px;height:56px;margin:0 auto 6px;border-radius:50%;background:var(--paper);align-items:center;justify-content:center;
  font:700 16px var(--sans);color:var(--navy);box-shadow:0 1px 2px rgba(23,32,51,.1);transition:box-shadow .3s,background .3s}
.w1{left:0}.w2{left:190px}.w3{left:380px}
.tok{position:absolute;left:41px;top:-46px;width:28px;height:36px;transition:transform .9s cubic-bezier(.6,0,.3,1);opacity:0}
.tok span{display:block;width:100%;height:100%;background:var(--tag);border-radius:3px 6px 6px 3px;box-shadow:inset 4px 0 0 rgba(0,0,0,.18),0 4px 10px rgba(23,32,51,.25)}
.th.t-q1 .tok{opacity:1}
.th.t-q2 .tok{transform:translateX(190px)}
.th.t-q3 .tok{transform:translateX(0)}
.th.t-q4 .tok{transform:translateX(190px)}
.th.t-q5 .tok{transform:translateX(380px)}
.th.t-q1:not(.t-q2) .w1 .av,.th.t-q3:not(.t-q4) .w1 .av{box-shadow:0 0 0 3px var(--tag)}
.th.t-q2:not(.t-q3) .w2 .av,.th.t-q4:not(.t-q5) .w2 .av{box-shadow:0 0 0 3px var(--tag)}
.th.t-q5 .w3 .av{box-shadow:0 0 0 3px var(--tag)}
.note{position:absolute;font-size:15px;background:var(--paper);border-radius:8px;padding:8px 12px;box-shadow:0 6px 16px rgba(23,32,51,.14);opacity:0;transform:translateY(8px);
  transition:opacity .35s,transform .35s}
.n1{left:160px;top:176px}.n2{left:20px;top:176px;color:var(--ok);font-weight:700}
.th.t-n1:not(.t-n2) .n1{opacity:1;transform:none}.th.t-n2:not(.t-stamp) .n2{opacity:1;transform:none}
.stamp{position:absolute;left:200px;top:176px;font:700 22px var(--sans);color:var(--ok);border:3px solid var(--ok);border-radius:6px;padding:2px 12px;
  opacity:0;transform:rotate(-8deg) scale(1.8);transition:opacity .25s,transform .35s cubic-bezier(.3,1.4,.5,1)}
.th.t-stamp .stamp{opacity:1;transform:rotate(-8deg)}
.learn{position:absolute;left:12px;top:270px;font-size:16px}
.dots{display:flex;gap:7px;margin-top:10px}
.dots i{width:22px;height:8px;border-radius:4px;background:var(--desk2);transition:background .3s}
.th.t-learn .dots i{background:var(--pil)}
.dots i:nth-child(1){transition-delay:0s}.dots i:nth-child(2){transition-delay:.1s}.dots i:nth-child(3){transition-delay:.2s}.dots i:nth-child(4){transition-delay:.3s}
.dots i:nth-child(5){transition-delay:.4s}.dots i:nth-child(6){transition-delay:.5s}.dots i:nth-child(7){transition-delay:.6s}.dots i:nth-child(8){transition-delay:.7s}
.dots i:nth-child(9){transition-delay:.8s}.dots i:nth-child(10){transition-delay:.9s}.dots i:nth-child(11){transition-delay:1s}.dots i:nth-child(12){transition-delay:1.1s}
.clock{position:absolute;left:12px;top:340px;font-size:16px;color:var(--muted)}.clock b{color:var(--ink);font-family:var(--serif);font-size:22px;margin-left:8px}

/* ---------------- caption: scenes, narration, stages */
.th-caption{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"rail ctl" "text text" "stages stages";gap:4px 24px;margin-top:14px;align-items:end}
.th-rail{grid-area:rail;display:flex;gap:4px;flex-wrap:wrap}
.th-rail button{position:relative;border:0;background:transparent;color:var(--muted);font:700 15px var(--sans);padding:8px 14px 12px;cursor:pointer;border-radius:6px 6px 0 0}
.th-rail button:hover{color:var(--ink);background:rgba(255,255,255,.35)}
.th-rail button:focus-visible{outline:2px solid var(--sel);outline-offset:-2px}
.th-rail button[aria-selected=true]{color:var(--ink)}
.th-rail button .bar{position:absolute;left:14px;right:14px;bottom:4px;height:3px;background:rgba(23,32,51,.12);border-radius:2px;overflow:hidden}
.th-rail button .bar i{display:block;height:100%;width:0;background:var(--ink)}
.th-rail button.done .bar i{width:100%;background:rgba(23,32,51,.35)}
.th-text{grid-area:text;min-height:128px}
.th-head{font-family:var(--serif);font-weight:600;font-size:22px;line-height:1.25;margin:12px 0 8px}
.th-lines{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 28px}
.th-lines li{position:relative;padding:3px 0 3px 18px;color:#8a93a3;transition:color .4s}
.th-lines li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:#b7bfcc;transition:background .4s,transform .4s}
.th-lines li.on{color:var(--ink)}
.th-lines li.on::before{background:var(--tag);transform:rotate(45deg)}
.th-ctl{grid-area:ctl;display:flex;align-items:center;gap:12px;padding-bottom:6px}
.th-play{border:1px solid rgba(23,32,51,.25);background:var(--paper);color:var(--ink);font:700 14px var(--sans);border-radius:6px;padding:7px 14px;cursor:pointer;min-width:84px}
.th-play:focus-visible{outline:2px solid var(--sel);outline-offset:2px}
.th-hint{font-size:13px;color:var(--muted)}
.stages{grid-area:stages;list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:repeat(16,minmax(0,1fr));gap:4px}
.stages li{font-size:11.5px;line-height:1.2;color:#7d8697;padding:6px 4px 0;border-top:3px solid rgba(23,32,51,.13);transition:border-color .4s,color .4s;min-width:0;hyphens:auto;-webkit-hyphens:auto}
.stages li b{display:block;font-size:12px;color:inherit}
.stages li.on{border-color:var(--tag);color:var(--ink)}


/* narrow screens: the page above, the scene below (560 x 880 canvas) */
.th.narrow{width:560px;height:880px}
.th.narrow .pg{left:110px;top:8px}
.th.narrow .pn{left:10px;top:452px}
.th.narrow .th-svg{width:560px;height:880px}

/* ---------------- dark system theme: the desk darkens, the paper stays paper */
/* ---------------- colours on the night background */

.th-head{color:#f1f4fa}
.th-lines li{color:#77819a}.th-lines li.on{color:#eef1f7}
.rd,.ent,.pal,.out,.note,.keys kbd,.who .av,.th-play{background:#f6f7fa;color:#172033}
.rd-v,.rd-srv,.keys span,.cnt,.lgd li,.learn,.clock,.who,.fxl{color:#cfd6e3}
.th.t-k1 .k-en+span,.th.t-k2 .k-sp+span,.th.t-k3 .k-se+span,.lgd li[class]{color:#cfd6e3}
.clock b{color:#fff}
.stages li{color:#8792a8;border-top-color:rgba(255,255,255,.12)}.stages li.on{color:#eef1f7}
.th-rail button{color:#93a0b8}.th-rail button[aria-selected=true]{color:#fff}.th-rail button .bar i{background:#fff}
.th-play{border-color:transparent}
.dots i{background:rgba(255,255,255,.14)}
.mst{background:#23345e;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}
.dev{box-shadow:0 0 0 1px rgba(255,255,255,.10),0 18px 40px rgba(0,0,0,.45)}
.pg{box-shadow:0 0 0 1px rgba(255,255,255,.04),0 18px 50px rgba(0,0,0,.55),0 0 80px rgba(95,178,255,.10)}
.th-rail button:hover{background:rgba(255,255,255,.06);color:#fff}
.th-rail button .bar{background:rgba(255,255,255,.12)}
.th-rail button.done .bar i{background:rgba(255,255,255,.35)}
.lgd li{opacity:.4}
.th-caption{position:relative}
.th-play{background:rgba(255,255,255,.92)}

/* ---------------- small screens: sign in first, the story below */
@media (max-width:1180px){.stages{grid-template-columns:repeat(8,minmax(0,1fr));row-gap:8px}}
@media (max-width:520px){.th-rail button{padding:8px 9px 12px;font-size:14px}.th-rail button .bar{left:9px;right:9px}.stages{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (prefers-reduced-motion:reduce){.th *,.th *::before,.th *::after{animation:none!important;transition:none!important}
  .bgfx .au,.lg-form::before,.lg-go{animation:none!important;opacity:1!important;transform:none!important;filter:none!important}}

/* ================================================================ advantages, each shown at work */

.tile{position:relative;grid-column:span 4;min-height:280px;padding:18px 20px 20px;border-radius:14px;background:rgba(12,21,42,.82);
  border:1px solid rgba(255,255,255,.08);overflow:hidden;display:flex;flex-direction:column;
  opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.75,.2,1),transform .7s cubic-bezier(.2,.75,.2,1),border-color .3s;transition-delay:calc(var(--i,0) * 70ms)}
.tile.seen{opacity:1;transform:none}
.tile.s8{grid-column:span 8}.tile.s12{grid-column:span 12}.tile.tall{grid-row:span 2}
.tile::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(380px circle at var(--x,50%) var(--y,50%),rgba(95,178,255,.13),transparent 60%)}
.tile::after{content:"";position:absolute;inset:0;border-radius:14px;padding:1px;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(260px circle at var(--x,50%) var(--y,50%),rgba(242,194,48,.65),rgba(167,123,240,.35) 40%,transparent 70%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
.tile:hover::before,.tile:hover::after{opacity:1}
.tile h3{font-family:var(--serif);font-weight:600;font-size:19px;line-height:1.25;margin:auto 0 6px;color:#f1f4fa}
.tile p{margin:0;color:#a9b4c8;font-size:14.5px;line-height:1.5;max-width:60ch}
.tile:not(.on) *,.tile:not(.on) *::before,.tile:not(.on) *::after{animation-play-state:paused!important}
.art{position:relative;height:132px;margin:2px 0 16px;font-family:var(--sans)}
.tall .art{height:400px}
.caret{display:inline-block;width:2px;height:1.05em;background:#e8ecf4;vertical-align:-2px;margin-left:1px;animation:blink 1s steps(2,start) infinite}
.tile kbd{display:inline-block;font:700 13px var(--sans);color:#172033;background:#f6f7fa;border-radius:6px;padding:4px 9px;box-shadow:0 3px 0 #9aa6bd;min-width:30px;text-align:center}

/* keys */
.a-keys .kk{display:flex;gap:8px;align-items:center;height:52px}
.a-keys .kk kbd{font-size:18px;padding:9px 16px;animation:kpress .5s ease-out both;animation-delay:calc(var(--j) * 120ms)}
.a-keys .kk .plus{color:#77819a;font-weight:700}
@keyframes kpress{0%{transform:translateY(-10px);opacity:0}40%{transform:translateY(3px);box-shadow:0 0 0 #9aa6bd;background:var(--tag);opacity:1}100%{transform:none;opacity:1}}
.a-keys .kout{font-family:var(--serif);font-size:20px;color:#fff;min-height:30px;margin-top:6px}
.a-keys .kout span{display:inline-block;animation:pop2 .5s cubic-bezier(.2,.75,.2,1) both;animation-delay:.35s}
@keyframes pop2{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.a-keys{display:flex;flex-direction:column;height:auto;min-height:132px}
.a-keys .kmods{margin-top:auto;padding-top:10px;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13.5px;color:#a9b4c8}
.a-keys .kmods kbd{font-size:12px;padding:2px 7px;margin-right:6px;box-shadow:0 2px 0 #9aa6bd}

/* find */
.a-find .fbox{display:flex;align-items:center;gap:10px;background:rgba(5,10,22,.8);border:1px solid #33466f;border-radius:8px;padding:9px 12px;font:15px var(--mono);color:#e8ecf4}
.a-find .flab{font:700 12px var(--sans);color:#a9b4c8}
.a-find .fpages{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0 14px}
.a-find .fp{position:relative;background:#f6f7fa;border-radius:3px;height:190px;padding:12px 9px}
.a-find .fp .ln{display:block;height:4px;background:#c4cad6;margin:0 0 7.6px;border-radius:1px}
.a-find .fp .hit{position:absolute;height:8px;background:rgba(168,85,247,.55);outline:1px solid #9333ea;border-radius:1px;opacity:0;transform:scale(1.6);transition:opacity .25s,transform .3s cubic-bezier(.3,1.6,.5,1),background .3s}
.a-find .fp .hit.on{opacity:1;transform:none}
.a-find .fp .hit.it{transform:skewX(-18deg);background:rgba(242,194,48,.75);outline-color:#d9a400}
.a-find .fcount{font-size:15px;color:#a9b4c8}.a-find .fcount b{font-family:var(--serif);font-size:24px;color:#fff;font-variant-numeric:tabular-nums}
.a-find .fkey{display:flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;color:#a9b4c8;opacity:0;transition:opacity .3s}
.a-find .fkey.on{opacity:1}.a-find .fkey.on kbd{animation:kpress .5s ease-out both}
.a-find .fkey span{margin-left:6px}

/* math */
.a-math .tex{font:15px var(--mono);color:#e8ecf4;background:rgba(5,10,22,.8);border:1px solid #33466f;border-radius:8px;padding:8px 12px;min-height:38px}
.a-math .mml{margin-top:12px;height:46px;display:flex;align-items:center;opacity:0;transform:translateY(8px);transition:opacity .45s,transform .45s}
.a-math .mml.on{opacity:1;transform:none}
.a-math .frac{display:inline-flex;flex-direction:column;align-items:center;font-family:var(--serif);font-size:19px;color:#fff;line-height:1.15}
.a-math .frac .num{padding:0 6px 2px;border-bottom:1.5px solid #fff}.a-math .frac .den{padding-top:2px}
.a-math .frac sup{font-size:.65em}
.a-math .mchips{position:absolute;left:0;bottom:0;display:flex;gap:6px;flex-wrap:wrap}
.a-math .mchips span{font-size:12.5px;font-weight:700;padding:3px 8px;border-radius:5px;background:rgba(167,123,240,.16);color:#c9b2ff}
.a-math .mchips span+span{background:rgba(95,178,255,.14);color:#a9d4ff}

/* links */
.a-links{display:grid;grid-template-columns:1fr 1.5fr;gap:24px;align-items:start}
.a-links .ix{font-family:var(--serif);font-size:16px;color:#e8ecf4;line-height:1.8}
.a-links .ix p{margin:0}
.a-links .ix a{color:#e8ecf4;border-radius:3px;padding:0 2px;animation:lnk 7s ease-in-out infinite;animation-delay:calc(var(--j) * .45s)}
@keyframes lnk{0%,6%{background:transparent;color:#e8ecf4;box-shadow:none}12%,80%{background:rgba(59,154,225,.32);color:#bfe1ff;box-shadow:inset 0 -1.5px 0 #5fb2ff}92%,100%{background:transparent;color:#e8ecf4;box-shadow:none}}
.a-links .lk{display:flex;flex-direction:column;gap:14px;padding-top:4px}
.a-links .lk-row{display:grid;grid-template-columns:auto 60px 1fr;align-items:center;gap:8px;font-family:var(--serif);font-size:14px;color:#cfd6e3}
.a-links .lk-a,.a-links .lk-b{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:6px;padding:5px 9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.a-links .lk-arr{height:2px;background:linear-gradient(90deg,#5fb2ff 50%,transparent 0) 0 0/10px 2px;position:relative;animation:dash 1s linear infinite}
.a-links .lk-arr::before,.a-links .lk-arr::after{content:"";position:absolute;top:-4px;border:5px solid transparent}
.a-links .lk-arr::before{left:-6px;border-right-color:#5fb2ff}.a-links .lk-arr::after{right:-6px;border-left-color:#5fb2ff}
@keyframes dash{to{background-position:20px 0}}
.a-links sup{font-size:.7em;color:#7dc0ff}

/* superscript sequence */
.a-seq .sq{display:flex;gap:7px;margin-top:10px}
.a-seq .sq span{width:30px;height:38px;border-radius:6px;background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;font:600 17px var(--serif);color:#e8ecf4;animation:seqscan 8s ease-in-out infinite;animation-delay:calc(var(--j) * .22s)}
@keyframes seqscan{0%,4%{box-shadow:none}8%{box-shadow:inset 0 0 0 2px #5fb2ff}14%,100%{box-shadow:none}}
.a-seq .sq .gap{background:rgba(232,84,84,.18);box-shadow:inset 0 0 0 1.5px #e85454;animation:gapfix 8s ease-in-out infinite}
.a-seq .sq .gap b{opacity:0;animation:gapnum 8s ease-in-out infinite}
@keyframes gapfix{0%,48%{background:rgba(232,84,84,.18);box-shadow:inset 0 0 0 1.5px #e85454}58%,100%{background:rgba(52,194,122,.2);box-shadow:inset 0 0 0 1.5px #34c27a}}
@keyframes gapnum{0%,50%{opacity:0;transform:translateY(-14px)}58%,100%{opacity:1;transform:none}}
.a-seq .sq-msg{position:relative;margin-top:16px;height:24px;font-size:15px;font-weight:700}
.a-seq .sq-msg span{position:absolute;left:0;top:0}
.a-seq .bad{color:#ff8f8f;animation:msgA 8s ease-in-out infinite}.a-seq .good{color:#5fe0a0;animation:msgB 8s ease-in-out infinite}
@keyframes msgA{0%,20%{opacity:0}26%,50%{opacity:1}56%,100%{opacity:0}}
@keyframes msgB{0%,56%{opacity:0}62%,96%{opacity:1}100%{opacity:0}}

/* tables */
.a-tab .tb{position:relative;width:78%;background:#f6f7fa;border-radius:4px;padding:6px 0;overflow:hidden}
.a-tab .tr{display:grid;grid-template-columns:repeat(3,1fr);height:22px;align-items:center}
.a-tab .tr i{display:block;height:5px;width:var(--w);margin:0 10px;background:#b9c0cc;border-radius:1px}
.a-tab .tr.th{animation:thtint 6s ease-in-out infinite}.a-tab .tr.th i{background:#7d8697}
@keyframes thtint{0%,55%{background:transparent}62%,100%{background:rgba(242,194,48,.28)}}
.a-tab .gx,.a-tab .gy{position:absolute;background:#f08c00;animation-duration:6s;animation-iteration-count:infinite;animation-timing-function:cubic-bezier(.4,0,.2,1);animation-delay:var(--d,0s)}
.a-tab .gx{top:0;bottom:0;width:2px;left:var(--x);transform-origin:top;animation-name:gx}
.a-tab .gy{left:0;right:0;height:2px;top:var(--y);transform-origin:left;animation-name:gy}
@keyframes gx{0%{transform:scaleY(0)}15%,92%{transform:scaleY(1)}100%{transform:scaleY(0)}}
@keyframes gy{0%{transform:scaleX(0)}15%,92%{transform:scaleX(1)}100%{transform:scaleX(0)}}
.a-tab .tchip{position:absolute;right:0;bottom:4px;font:600 12.5px var(--mono);color:#ffcf7a;background:rgba(240,140,0,.14);border-radius:5px;padding:3px 8px;animation:msgB 6s ease-in-out infinite}

/* alt text */
.a-alt{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start}
.a-alt .pic{width:120px;height:80px;border-radius:4px;display:block;position:relative}
.a-alt .alt{font-family:var(--serif);font-size:15px;color:#e8ecf4;line-height:1.45;min-height:66px}
.a-alt .altl{font:700 11px var(--mono);color:#172033;background:#5fe0a0;border-radius:3px;padding:1px 5px;margin-right:6px;vertical-align:2px}
.a-alt .ai{position:absolute;left:0;bottom:0;font-size:12.5px;font-weight:700;color:#5fe0a0;display:flex;align-items:center;gap:6px}
.a-alt .ai::before{content:"";width:8px;height:8px;border-radius:50%;background:#34c27a;animation:ping 1.6s ease-out infinite}

/* proof */
.a-proof{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.a-proof .pc{background:#f6f7fa;border-radius:4px;padding:8px 10px;height:100px;overflow:hidden}
.a-proof .pc b{display:block;font:700 10.5px var(--sans);color:#566074;margin-bottom:3px}
.a-proof .pc p{margin:0;font:12.5px/1.5 var(--serif);color:#222}
.a-proof .x{border-radius:2px;animation:pfx 7s ease-in-out infinite}
.a-proof .x .v0,.a-proof .x .v1{display:inline-block;overflow:hidden;vertical-align:bottom;white-space:nowrap}
.a-proof .x .v0{animation:pv0 7s steps(1) infinite}.a-proof .x .v1{max-width:0;animation:pv1 7s steps(1) infinite}
@keyframes pfx{0%,30%{background:transparent}34%,60%{background:rgba(232,84,84,.35)}66%,100%{background:rgba(52,194,122,.3)}}
@keyframes pv0{0%,62%{max-width:6em}63%,100%{max-width:0}}
@keyframes pv1{0%,62%{max-width:0}63%,100%{max-width:6em}}
.a-proof .scanl{position:absolute;left:-4px;right:-4px;top:0;height:2px;background:#5fb2ff;box-shadow:0 0 12px #5fb2ff;animation:pscan 7s linear infinite}
@keyframes pscan{0%{top:6px;opacity:1}55%{top:96px;opacity:1}60%,100%{top:96px;opacity:0}}
.a-proof .pm{position:absolute;left:0;bottom:0;font-size:13px;font-weight:700;color:#5fe0a0;animation:msgB 7s ease-in-out infinite}

/* languages */
.a-lang .lw{display:flex;align-items:baseline;gap:14px;height:56px}
.a-lang .lword{font-family:var(--serif);font-size:34px;color:#fff;display:inline-block}
.a-lang .lword.sw{animation:pop2 .5s cubic-bezier(.2,.75,.2,1) both}
.a-lang .lc{font:14px var(--mono);color:#c9b2ff}
.a-lang .dicts{position:absolute;left:0;bottom:0;display:flex;flex-wrap:wrap;gap:5px}
.a-lang .dicts span{font:700 12px var(--mono);color:#a9b4c8;border:1px solid rgba(255,255,255,.14);border-radius:4px;padding:2px 6px;transition:all .3s}
.a-lang .dicts span.on{color:#172033;background:#f2c230;border-color:#f2c230}

/* reports */
.a-rep{display:flex;flex-direction:column;gap:7px;padding-top:2px}
.a-rep .bar{display:grid;grid-template-columns:72px 1fr;align-items:center;gap:8px;font-size:12.5px;color:#a9b4c8}
.a-rep .bar i{display:block;height:12px;border-radius:3px;width:0;background:linear-gradient(90deg,#2f6fdf,#a77bf0);transition:width 1.2s cubic-bezier(.2,.75,.2,1);transition-delay:calc(var(--j) * 120ms)}
.tile.seen .a-rep .bar i{width:var(--w)}
.a-rep .bar:nth-child(3) i{background:linear-gradient(90deg,#d9a400,#f2c230)}

/* learning */
.a-learn .cors{display:flex;gap:8px;height:24px;align-items:center}
.a-learn .cors i{width:12px;height:12px;border-radius:3px;background:#a77bf0;animation:cor 4.8s ease-in infinite;animation-delay:calc(var(--j) * .5s)}
@keyframes cor{0%{transform:translate(0,0);opacity:0}10%{opacity:1}55%{transform:translate(calc(140px - var(--j) * 20px),46px) scale(.5);opacity:0}100%{opacity:0}}
.a-learn .brain{position:absolute;left:120px;top:44px;font:700 12px var(--sans);color:#c9b2ff;border:1px dashed rgba(167,123,240,.6);border-radius:8px;padding:5px 10px}
.a-learn .meter{position:absolute;left:0;right:0;bottom:26px;height:10px;border-radius:5px;background:rgba(255,255,255,.1);overflow:hidden}
.a-learn .meter i{display:block;height:100%;width:30%;background:linear-gradient(90deg,#a77bf0,#34c27a);animation:meter 9.6s ease-in-out infinite}
@keyframes meter{0%{width:30%}45%{width:62%}90%{width:84%}100%{width:30%}}
.a-learn .ml{position:absolute;left:0;bottom:0;font-size:13px;font-weight:700;color:#5fe0a0}

/* client rules */
.a-client .fnm{font:17px var(--mono);color:#e8ecf4;background:rgba(5,10,22,.8);border:1px solid #33466f;border-radius:8px;padding:9px 12px;white-space:nowrap;overflow:hidden}
.a-client .tk{color:#c9b2ff;display:inline-block}
.a-client .tk.v{color:#ffd45e;animation:pop2 .45s cubic-bezier(.2,.75,.2,1) both}
.a-client .rules{list-style:none;margin:12px 0 0;padding:0;font-size:14px;color:#a9b4c8}
.a-client .rules li{display:flex;align-items:center;gap:8px;margin:4px 0;transition:color .3s}
.a-client .rules li::before{content:"";width:14px;height:14px;border-radius:4px;border:1.5px solid rgba(255,255,255,.25);transition:all .3s;flex:0 0 auto}
.a-client .rules li.ok{color:#e8ecf4}
.a-client .rules li.ok::before{background:#34c27a;border-color:#34c27a;box-shadow:inset 0 0 0 2px rgba(12,21,42,.9)}

/* own server */
.tile.s12{min-height:250px}.tile.s12 .art{height:150px}
.a-srv svg{width:100%;height:100%}
.a-srv .links path{fill:none;stroke:rgba(201,212,234,.22);stroke-width:1.5;stroke-dasharray:4 5}
.a-srv .pkts path{fill:none;stroke:#f2c230;stroke-width:3;stroke-linecap:round;stroke-dasharray:6 600;animation:pkt 3.2s linear infinite}
.a-srv .pkts path:nth-child(2){animation-delay:-.8s;stroke:#a77bf0}.a-srv .pkts path:nth-child(3){animation-delay:-1.6s;stroke:#5fb2ff}.a-srv .pkts path:nth-child(4){animation-delay:-2.4s;stroke:#34c27a}
@keyframes pkt{from{stroke-dashoffset:0}to{stroke-dashoffset:-330}}
.a-srv .pcs rect{fill:#f6f7fa}.a-srv .pcs text{font:700 13px var(--sans);fill:#14213d;text-anchor:middle}
.a-srv .srvbox rect{fill:#23345e;stroke:#5fb2ff;stroke-width:1.5}.a-srv .srvbox line{stroke:#a9b4c8;stroke-width:3;stroke-linecap:round}
.a-srv .srvbox circle{fill:#34c27a;animation:blinkg 1.4s ease-in-out infinite}.a-srv .srvbox circle+circle{animation-delay:.7s}
@keyframes blinkg{50%{fill:#0f5132}}
.a-srv .cloud path{fill:none;stroke:rgba(201,212,234,.45);stroke-width:2}.a-srv .cloud line{stroke:#e85454;stroke-width:2.5;stroke-linecap:round}


@media (max-width:640px){
  .tall .art{height:380px}
  .a-links{grid-template-columns:1fr}.a-links .lk{display:none}
}
@media (prefers-reduced-motion:reduce){
  .tile{opacity:1;transform:none;transition:none}
  .feat *{animation:none!important}
  .a-seq .sq .gap b{opacity:1}.a-proof .x .v0{max-width:0}.a-proof .x .v1{max-width:6em}.a-tab .gx,.a-tab .gy{transform:none}
  .a-seq .good,.a-proof .pm,.a-tab .tchip{opacity:1}
}