/* neuralspark.com.au — 1.0. The product's Midnight palette and its two faces, set like a magazine: a serif that speaks,
   a grotesque that explains. Motion only where it shows something (a brief becoming a deck, a check running). */
@font-face{font-family:"Instrument Serif";src:url(/fonts/instrument-serif-regular-latin.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url(/fonts/instrument-serif-italic-latin.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:Archivo;src:url(/fonts/archivo-latin.woff2) format("woff2");font-weight:300 700;font-stretch:62% 125%;font-style:normal;font-display:swap}

:root{
  --paper:#f8f6f1;--paper-2:#f0ede5;--paper-3:#e8e4d9;--card:#fffdf9;
  --ink:#131926;--ink-2:#394155;--muted:#6b7285;--line:#dfdace;--line-2:#cfc9bb;
  --navy:#1f2d4d;--navy-2:#2a3c63;--night:#0d121c;--night-2:#141b29;--night-3:#1c2537;--night-line:#283247;
  --on-night:#eef0f5;--on-night-2:#aab2c4;--on-night-3:#7d879c;
  --gold:#c9a55f;--ok:#a8843f;--flag:#b8574a;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;--sans:Archivo,"Segoe UI",system-ui,sans-serif;
  --gutter:clamp(20px,5.2vw,88px);--max:1440px;--radius:18px;--radius-s:12px;
  --ease:cubic-bezier(.22,.61,.36,1);--ease-out:cubic-bezier(.16,1,.3,1);
  --shadow-l:0 1px 1px rgba(19,25,38,.04),0 18px 40px -22px rgba(19,25,38,.30),0 60px 120px -60px rgba(19,25,38,.35);
  --shadow-m:0 1px 1px rgba(19,25,38,.05),0 12px 30px -18px rgba(19,25,38,.30);
}
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.35s;animation-timing-function:var(--ease)}
.top{view-transition-name:top}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:400}
::selection{background:var(--navy);color:#fff}
:focus-visible{outline:2px solid var(--navy);outline-offset:3px;border-radius:6px}
.night :focus-visible{outline-color:var(--gold)}
.skip{position:absolute;left:-999px;top:10px;z-index:60;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;text-decoration:none}
.skip:focus{left:12px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* type */
.display{font-family:var(--serif);font-weight:400;letter-spacing:-.022em;line-height:.94}
.h1{font-size:clamp(64px,11.2vw,184px)}
.h2{font-size:clamp(42px,5.6vw,88px);line-height:.98}
.h2s{font-size:clamp(38px,4.4vw,68px);line-height:1}
.h3{font-family:var(--serif);font-size:clamp(30px,3vw,46px);line-height:1.04;letter-spacing:-.015em}
.display em,.h3 em{font-style:italic;letter-spacing:-.03em}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font:600 12.5px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;opacity:.5}
.night .eyebrow{color:var(--on-night-2)}
.lead{font-size:clamp(18px,1.45vw,22px);line-height:1.55;color:var(--ink-2);max-width:40ch}
.night .lead{color:var(--on-night-2)}
.small{font-size:14px;line-height:1.55;color:var(--muted)}
.num{font-variant-numeric:tabular-nums}

/* buttons */
.btn{--bg:var(--ink);--fg:#fff;position:relative;display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:999px;background:var(--bg);color:var(--fg);font:600 16px/1 var(--sans);text-decoration:none;border:0;cursor:pointer;overflow:hidden;isolation:isolate;transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out)}
.btn::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.14) 50%,transparent 70%);transform:translateX(-120%);transition:transform .8s var(--ease-out)}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(19,25,38,.55)}
.btn:hover::after{transform:translateX(120%)}
.btn .arr{display:inline-block;transition:transform .35s var(--ease-out)}
.btn:hover .arr{transform:translateX(3px)}
.btn.light{--bg:#fff;--fg:var(--ink)}
.btn.ghost{--bg:transparent;--fg:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line-2)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
.night .btn.ghost{--fg:var(--on-night);box-shadow:inset 0 0 0 1.5px var(--night-line)}
.night .btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--on-night-2)}
.btn.big{height:60px;padding:0 30px;font-size:17px}
.textlink{display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1.5px no-repeat;transition:background-size .45s var(--ease-out);padding-bottom:2px}
.textlink:hover{background-size:100% 1.5px}

/* header */
.top{position:fixed;inset:0 0 auto;z-index:40;transition:transform .5s var(--ease-out),background-color .35s,box-shadow .35s}
.top .bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;height:72px;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.top.scrolled{background:color-mix(in srgb,var(--paper) 82%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(18px);backdrop-filter:saturate(1.4) blur(18px);box-shadow:0 1px 0 rgba(19,25,38,.08)}
.top.hide{transform:translateY(-100%)}
.top.on-night:not(.scrolled){color:var(--on-night)}
.brand{justify-self:start;display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--serif);font-size:26px;letter-spacing:-.01em}
.brand img{width:26px;height:26px}
.nav{display:flex;gap:4px;padding:5px;border-radius:999px;background:color-mix(in srgb,var(--paper-2) 70%,transparent)}
.top.on-night:not(.scrolled) .nav{background:rgba(255,255,255,.07)}
.nav a{padding:9px 15px;border-radius:999px;text-decoration:none;font-size:14.5px;font-weight:500;color:inherit;opacity:.78;transition:opacity .2s,background-color .25s}
.nav a:hover{opacity:1}
.nav a[aria-current]{opacity:1;background:var(--card);box-shadow:0 1px 2px rgba(19,25,38,.08)}
.top.on-night:not(.scrolled) .nav a[aria-current]{background:rgba(255,255,255,.12);box-shadow:none}
.tops{justify-self:end;display:flex;align-items:center;gap:18px}
.tops .signin{text-decoration:none;font-weight:500;font-size:15px;opacity:.8}
.tops .signin:hover{opacity:1}
.tops .btn{height:44px;padding:0 18px;font-size:15px}
.top.on-night:not(.scrolled) .tops .btn{--bg:#fff;--fg:var(--ink)}
.menu-toggle{display:none;justify-self:end;width:44px;height:44px;border-radius:50%;border:0;background:transparent;color:inherit;cursor:pointer}
.menu-toggle span{display:block;width:20px;height:1.5px;margin:5px auto;background:currentColor;transition:transform .35s var(--ease-out),opacity .2s}
@media (max-width:1060px){
  .top .bar{grid-template-columns:1fr auto}
  .nav,.tops .signin{display:none}
  .tops{display:none}
  .menu-toggle{display:block}
  .top.open{background:var(--paper);color:var(--ink)}
  .top.open .nav{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;padding:12px var(--gutter) 28px;border-radius:0;background:var(--paper);box-shadow:0 30px 40px -30px rgba(19,25,38,.3)}
  .top.open .nav a{font-size:22px;font-family:var(--serif);padding:12px 0;opacity:1;border-radius:0;border-bottom:1px solid var(--line);background:none;box-shadow:none}
  .top.open .menu-toggle span:first-child{transform:translateY(3.25px) rotate(45deg)}
  .top.open .menu-toggle span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
}

/* hero */
.hero{position:relative;padding:clamp(150px,19vh,210px) 0 0;overflow:clip}
.hero .wrap{position:relative}
.hero-top{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);align-items:end;gap:clamp(24px,5vw,80px)}
.hero h1{margin-top:26px}
.hero-side{padding-bottom:1.2vw}
.hero-side .lead{max-width:34ch}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;margin-top:30px}
.hero-cta .from{font-size:14px;color:var(--muted)}
.hero-stage{position:relative;margin-top:clamp(56px,8vw,110px);perspective:2000px}
.window{position:relative;border-radius:var(--radius);background:var(--night);box-shadow:var(--shadow-l);overflow:hidden;transform-origin:50% 0;
  transform:rotateX(calc(14deg * (1 - var(--p,1)))) scale(calc(.9 + .1 * var(--p,1)));will-change:transform}
.window img{width:100%;aspect-ratio:1920/1095;object-fit:cover;object-position:top left}
.window .glare{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,calc(.10 * (1 - var(--p,1)))),transparent 45%);pointer-events:none}
.hero-note{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 30px;margin-top:22px;font-size:14px;color:var(--muted)}
.hero-note b{font-weight:600;color:var(--ink-2)}
.hero::before{content:"";position:absolute;inset:auto 0 0;height:46%;background:linear-gradient(180deg,transparent,var(--paper-2));z-index:-1}
@media (max-width:900px){.hero-top{grid-template-columns:1fr}.hero-side{padding-bottom:0}}
/* The banner: a photograph across the whole first screen, the words over its quiet sky; the application window rises
   out of its lower edge. */
.hero.hero-night{min-height:min(100svh,1080px);padding:clamp(150px,21vh,230px) 0 clamp(130px,13vw,230px);background:var(--night);color:var(--on-night);isolation:isolate}
.hero.hero-night::before{display:none}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:22% 100%}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,18,28,.5),rgba(13,18,28,.12) 42%,rgba(13,18,28,0) 62%,rgba(13,18,28,.3))}
.hero-night .eyebrow{color:#c3cad8}
.hero-night .lead{color:#c3cad8}
.hero-night .textlink{color:var(--on-night)}
.top.on-night:not(.scrolled) .brand img{border-radius:7px;box-shadow:0 0 0 1px rgba(255,255,255,.22)}
div.hero-stage{margin-top:calc(-1 * clamp(64px,7vw,124px));z-index:2}
@media (max-width:700px){.hero-bg img{object-position:50% 100%}.hero.hero-night{padding-bottom:110px}}

/* What's inside: every part of the app at a glance, the big ones linking down to their sections. */
.glance{padding:clamp(72px,8vw,120px) 0}
.gl-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.62fr);align-items:end;gap:20px clamp(24px,5vw,80px);margin-bottom:clamp(28px,3.5vw,48px)}
.gl-head .eyebrow,.copy .eyebrow{margin-bottom:20px}
.gl-head .lead{justify-self:end}
.gl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 0 0 1px var(--line)}
.gl>*{position:relative;display:flex;flex-direction:column;gap:8px;padding:24px 22px 26px;background:var(--card);color:inherit;text-decoration:none;transition:background-color .3s}
.gl>a::after{content:"→";position:absolute;top:26px;right:22px;font-size:16px;line-height:1;color:var(--muted);transition:transform .35s var(--ease-out),color .3s}
.gl>a:hover{background:#fff}
.gl>a:hover::after{transform:translateX(3px);color:var(--ink)}
.gl .ic{width:38px;height:38px;margin-bottom:10px;border-radius:11px;display:grid;place-items:center;background:var(--paper-2);color:var(--navy)}
.gl .ic svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.gl h3{font:400 24px/1.08 var(--serif);letter-spacing:-.01em}
.gl p{font-size:14.5px;line-height:1.5;color:var(--ink-2)}
@media (max-width:1180px){.gl{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){.gl-head{grid-template-columns:1fr}.gl-head .lead{justify-self:start}}
@media (max-width:560px){.gl>*{gap:6px;padding:18px 14px 20px}.gl .ic{width:32px;height:32px;margin-bottom:6px;border-radius:9px}.gl .ic svg{width:17px;height:17px}.gl h3{font-size:20px}.gl p{font-size:13.5px;line-height:1.45}.gl>a::after{top:20px;right:14px}}
@media (max-width:340px){.gl{grid-template-columns:1fr}}

/* A screenshot laid on a photograph, bleeding off one corner. */
.duo{position:relative;margin:0;border-radius:var(--radius);overflow:hidden;padding:clamp(26px,4.2vw,60px) 0 0 clamp(26px,4.2vw,60px);background:var(--night);box-shadow:var(--shadow-l);isolation:isolate}
.duo .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1}
.duo .fg{position:relative;width:100%;border-radius:12px 0 0 0;box-shadow:0 30px 60px -28px rgba(0,0,0,.65),0 0 0 1px rgba(19,25,38,.1)}
.row.flip .duo{padding:clamp(26px,4.2vw,60px) clamp(26px,4.2vw,60px) 0 0}
.row.flip .duo .fg{border-radius:0 12px 0 0}
.copy .h2s{margin-bottom:22px}
.copy li b{color:var(--ink);font-weight:600}

/* Answer cards */
.cardtypes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-top:clamp(48px,6vw,84px);background:var(--line-2);border-radius:var(--radius-s);overflow:hidden;box-shadow:0 0 0 1px var(--line-2);scroll-margin-top:100px}
.cardtypes div{background:var(--paper);padding:20px 20px 22px}
.cardtypes b{display:block;margin-bottom:6px;font:400 23px/1.1 var(--serif);font-weight:400}
.cardtypes p{font-size:14.5px;line-height:1.5;color:var(--ink-2)}
.cardnote{margin-top:18px;max-width:84ch;font-size:14.5px;color:var(--muted)}
@media (max-width:1000px){.cardtypes{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.cardtypes div{padding:16px 14px 18px}.cardtypes b{font-size:20px}.cardtypes p{font-size:13.5px;line-height:1.45}}
@media (max-width:340px){.cardtypes{grid-template-columns:1fr}}

/* Remote computers: the photograph behind the headline, the activity log and what it can do below. */
.remote{padding:0 0 clamp(84px,9vw,140px);overflow:hidden;isolation:isolate}
.remote-bg{position:absolute;inset:0 0 auto;height:min(64vw,900px);z-index:-1}
.remote-bg img{width:100%;height:100%;object-fit:cover;object-position:72% 50%}
.remote-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,18,28,.82),rgba(13,18,28,.2) 58%,rgba(13,18,28,.05)),linear-gradient(180deg,rgba(13,18,28,0) 50%,var(--night))}
.remote-top{max-width:780px;padding:clamp(110px,12vw,190px) 0 clamp(56px,7vw,110px)}
.remote-top .h2{margin:22px 0 24px}
.remote-top .lead{max-width:46ch}
.remote-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(28px,4vw,64px);align-items:start}
.rcols{display:grid;gap:28px}
.rcols h3{margin-bottom:8px;font:400 28px/1.1 var(--serif);color:var(--on-night)}
.rcols p{font-size:15.5px;line-height:1.6;color:var(--on-night-2)}
.remote code{padding:1px 6px;border-radius:5px;background:rgba(255,255,255,.07);color:var(--on-night);font:500 .88em/1.4 ui-monospace,"Cascadia Mono",Consolas,monospace;overflow-wrap:anywhere}
.log{padding:22px 24px 20px;border-radius:var(--radius-s);background:rgba(20,27,41,.84);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:inset 0 0 0 1px var(--night-line),0 40px 80px -40px rgba(0,0,0,.8);font-size:14.5px;line-height:1.5}
.log .lh{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 18px;padding-bottom:14px;border-bottom:1px solid var(--night-line);font-size:13px;color:var(--on-night-3)}
.log .host{display:inline-flex;align-items:center;gap:10px;color:var(--on-night)}
.log .host i{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(201,165,95,.18)}
.log .host b{font-size:15px;font-weight:600}
.log ol{list-style:none;margin:0;padding:4px 0 0}
.log li{display:grid;grid-template-columns:40px 10px minmax(0,1fr);gap:12px;align-items:baseline;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05);color:var(--on-night-2)}
.log li b{color:var(--on-night);font-weight:600}
.log .t{font-size:12.5px;color:var(--on-night-3)}
.log .s{width:9px;height:9px;border-radius:50%;box-shadow:inset 0 0 0 1.5px var(--gold);align-self:start;margin-top:6.5px}
.log .s.ok{background:var(--gold);box-shadow:none;opacity:.85}
.log li.wait{color:var(--on-night);border-bottom:0}
.log li.wait .s{animation:waiting 2.4s var(--ease) infinite}
@keyframes waiting{50%{box-shadow:inset 0 0 0 1.5px var(--gold),0 0 0 5px rgba(201,165,95,.16)}}
.log .ask{display:inline-flex;gap:6px;margin-left:6px;font-style:normal;vertical-align:middle}
.log .ask span{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:#fff;color:var(--ink);font-size:12.5px;font-weight:600}
.log .ask span+span{background:transparent;color:var(--on-night-2);box-shadow:inset 0 0 0 1px var(--night-line)}
.log figcaption{margin-top:14px;padding-top:14px;border-top:1px solid var(--night-line);font-size:13px;color:var(--on-night-3)}
@media (max-width:900px){.remote-grid{grid-template-columns:1fr}.remote-bg{height:620px}.remote-bg::after{background:linear-gradient(180deg,rgba(13,18,28,.55),rgba(13,18,28,.35) 45%,var(--night))}}
@media (max-width:520px){.log{padding:18px 16px}.log li{grid-template-columns:10px minmax(0,1fr);gap:10px}.log .t{display:none}}

/* Design, after the morph: the styles drifting past, and the four things that make it more than a template. */
.design-more{padding:clamp(8px,2vw,24px) 0 clamp(72px,8vw,120px);background:var(--paper-2);overflow:hidden}
.dfacts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(20px,2.6vw,40px);margin-top:clamp(32px,4vw,56px);padding-top:26px;border-top:1px solid var(--line-2)}
.dfacts b{display:block;margin-bottom:8px;font:400 26px/1.1 var(--serif);font-weight:400}
.dfacts p{font-size:15px;color:var(--ink-2)}
@media (max-width:1000px){.dfacts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.dfacts{grid-template-columns:1fr}}
.models{background:linear-gradient(rgba(13,18,28,.7),rgba(13,18,28,.9)),url(/img/v1/photo/night.webp) center/cover no-repeat var(--night)}

/* split words (set by v1.js) */
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .02em .12em;margin:0 -.02em -.12em}
.split .w>span{display:inline-block;transform:translateY(105%);transition:transform 1.1s var(--ease-out);transition-delay:calc(var(--i) * 55ms + var(--d,0ms))}
.split.in .w>span{transform:none}

/* reveal */
.rise{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease-out),transform 1.1s var(--ease-out);transition-delay:var(--d,0ms)}
.rise.in{opacity:1;transform:none}

/* sections */
section{position:relative}
.band{padding:clamp(84px,10vw,150px) 0}
.band.tight{padding:clamp(68px,7.5vw,116px) 0}
.night{background:var(--night);color:var(--on-night)}
.head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.62fr);align-items:end;gap:28px clamp(24px,5vw,80px);margin-bottom:clamp(36px,4.5vw,64px)}
.head .lead{justify-self:end}
@media (max-width:900px){.head{grid-template-columns:1fr}.head .lead{justify-self:start}}

/* morph: one brief, every format */
.morph{height:460vh;background:var(--paper-2)}
.morph .pin{position:sticky;top:0;height:100vh;display:grid;grid-template-columns:minmax(300px,.8fr) minmax(0,1.6fr);align-items:center;gap:clamp(24px,4vw,70px);max-width:var(--max);margin:0 auto;padding:88px var(--gutter) 40px}
.story{position:relative;align-self:stretch;display:flex;flex-direction:column;justify-content:center}
.story .eyebrow{margin-bottom:26px}
.story h2{font-size:clamp(40px,4.6vw,76px)}
.chapters{position:relative;margin-top:clamp(28px,4vh,48px);min-height:13.5em}
.chapter{position:absolute;inset:0 0 auto;opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease-out),transform .8s var(--ease-out);pointer-events:none}
.chapter.on{opacity:1;transform:none;pointer-events:auto}
.chapter .kind{display:flex;align-items:baseline;gap:14px;font-family:var(--serif);font-size:clamp(28px,2.4vw,38px);line-height:1.1}
.chapter .kind .n{font:600 13px/1 var(--sans);letter-spacing:.12em;color:var(--muted)}
.chapter p{margin-top:14px;color:var(--ink-2);max-width:40ch}
.chapter .meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 12px;border-radius:999px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line);font-size:13px;font-weight:500;color:var(--ink-2);white-space:nowrap}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--ok)}
.rail{display:flex;gap:6px;margin-top:auto;padding-top:24px}
.rail button{flex:1;min-width:0;height:34px;border:0;padding:0;background:none;cursor:pointer;text-align:left;font:600 10.5px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);position:relative}
.rail button::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:2px;background:var(--line)}
.rail button::after{content:"";position:absolute;left:0;top:0;height:2px;border-radius:2px;background:var(--ink);width:calc(var(--f,0) * 100%)}
.rail button span{position:absolute;top:12px;left:0}
.rail button.on{color:var(--ink)}
.canvas{position:relative;height:100%;display:grid;place-items:center}
.frame{position:relative;width:var(--w,900px);height:var(--h,506px);border-radius:var(--r,14px);background:#fff;box-shadow:var(--shadow-l);overflow:hidden;will-change:width,height}
.frame .face{position:absolute;inset:0;opacity:0;transition:opacity .5s var(--ease)}
.frame .face.on{opacity:1}
.frame .face img{position:absolute;left:0;top:0;width:100%;height:auto;min-height:100%;object-fit:cover;object-position:top center}
.frame .face.web img{top:34px;height:auto;min-height:0;transform:translateY(calc(var(--scroll,0) * -1px))}
.frame .face.brief{background:var(--card);display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(18px,3vw,40px)}
.bubble{align-self:flex-end;max-width:88%;padding:18px 22px;border-radius:20px 20px 6px 20px;background:var(--paper-2);box-shadow:inset 0 0 0 1px var(--line);font-size:clamp(14px,1.15vw,17px);line-height:1.5;color:var(--ink)}
.brief .who{align-self:flex-end;margin-top:10px;font-size:12px;color:var(--muted)}
.brief .steps{margin-top:auto;display:grid;gap:8px;padding-top:24px;font-size:13.5px;color:var(--muted)}
.brief .steps span{display:flex;gap:10px;align-items:center}
.brief .steps span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--line-2)}
.brief .steps span.done::before{background:var(--ok)}
.browser{position:absolute;inset:0 0 auto;height:34px;display:flex;align-items:center;gap:7px;padding:0 14px;background:var(--paper-2);border-bottom:1px solid var(--line);z-index:2;opacity:var(--chrome,0)}
.browser i{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.browser b{margin-left:14px;font:500 11.5px/1 var(--sans);color:var(--muted);letter-spacing:.02em}
.canvas .tag{position:absolute;left:50%;bottom:clamp(8px,3vh,30px);transform:translateX(-50%);display:flex;gap:8px}
@media (max-width:900px){
  .morph{height:auto}
  .morph .pin{position:static;height:auto;grid-template-columns:1fr;padding:100px var(--gutter)}
  .chapters{min-height:0}.chapter{position:static;opacity:1;transform:none;margin-bottom:28px}
  .rail{display:none}
  .canvas{height:auto;gap:24px}
}

/* the check */
.check .grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:start}
.specimen{position:relative;border-radius:var(--radius-s);overflow:hidden;background:#fff;box-shadow:0 30px 80px -40px rgba(0,0,0,.7)}
.specimen img{width:100%}
.specimen svg{position:absolute;inset:0;width:100%;height:100%}
.specimen .mark{fill:none;stroke:var(--flag);stroke-width:4;stroke-dasharray:10 8;opacity:0;transition:opacity .4s}
.specimen .mark.ok{stroke:#3f8a62;stroke-dasharray:none}
.specimen .lbl{font-family:var(--sans);font-weight:600;fill:#fff}
.specimen .pill{opacity:0;transition:opacity .4s}
.check.run .specimen .mark,.check.run .specimen .lbl,.check.run .specimen .pill{opacity:1}
.check.run .specimen .fixed .mark,.check.run .specimen .fixed .lbl,.check.run .specimen .fixed .pill{opacity:1}
.report{border-radius:var(--radius-s);background:var(--night-2);box-shadow:inset 0 0 0 1px var(--night-line);padding:26px 26px 22px;font-size:15px;line-height:1.55}
.report .rh{display:flex;justify-content:space-between;align-items:center;font:600 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--on-night-3);padding-bottom:16px;border-bottom:1px solid var(--night-line)}
.report ol{list-style:none;margin:0;padding:6px 0 0}
.report li{display:grid;grid-template-columns:22px 1fr;gap:10px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.05);color:var(--on-night-2);opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease-out),transform .6s var(--ease-out);transition-delay:calc(var(--i) * 420ms + 300ms)}
.report li b{color:var(--on-night);font-weight:600}
.report li svg{margin-top:4px}
.check.run .report li{opacity:1;transform:none}
.report .exports{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.report .exports span{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 13px;border-radius:999px;background:rgba(255,255,255,.07);font-size:13px;font-weight:600;color:var(--on-night)}
.looks{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;margin-top:clamp(56px,7vw,100px);border-radius:var(--radius-s);overflow:hidden;background:var(--night-line)}
.looks div{background:var(--night);padding:22px 20px 24px;font-size:14.5px;line-height:1.45;color:var(--on-night-2)}
.looks b{display:block;margin-bottom:6px;font:400 22px/1.1 var(--serif);color:var(--on-night)}
@media (max-width:1000px){.check .grid{grid-template-columns:1fr}.looks{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* feature rows */
.row{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-items:center;gap:clamp(28px,5vw,90px)}
.row.flip{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.row.flip .copy{order:2}
.copy .h3{margin:22px 0 18px}
.copy p+p{margin-top:14px}
.copy ul{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:12px}
.copy li{display:grid;grid-template-columns:20px 1fr;gap:12px;color:var(--ink-2)}
.copy li::before{content:"";width:7px;height:7px;margin-top:9px;border-radius:50%;background:var(--navy)}
.night .copy li{color:var(--on-night-2)}.night .copy li::before{background:var(--gold)}
.shot{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-l);background:var(--night)}
.shot img{width:100%}
.shot.float{transform:translateY(calc(40px * (1 - var(--p,1))))}
@media (max-width:900px){.row,.row.flip{grid-template-columns:1fr}.row.flip .copy{order:0}}

/* brand swatch */
.found{margin-top:28px;display:grid;grid-template-columns:auto 1fr;gap:10px 18px;align-items:center;padding:20px 22px;border-radius:var(--radius-s);background:var(--card);box-shadow:inset 0 0 0 1px var(--line);font-size:14px;color:var(--ink-2)}
.found .sw{display:flex;gap:6px}.found .sw i{width:26px;height:26px;border-radius:7px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.found .face{font-family:var(--serif);font-size:22px;color:var(--ink)}

/* tiles */
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.tile{position:relative;display:flex;flex-direction:column;min-height:0;padding:28px 28px 30px;border-radius:var(--radius);background:var(--card);box-shadow:inset 0 0 0 1px var(--line);overflow:hidden;transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out)}
.tile:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px var(--line-2),var(--shadow-m)}
.tile .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--paper-2);color:var(--navy)}
.tile h3{margin:44px 0 10px;font:400 30px/1.05 var(--serif);letter-spacing:-.01em}
.tile p{color:var(--ink-2);font-size:15.5px}
@media (max-width:1000px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.tiles{grid-template-columns:1fr}}

/* models marquee */
.models .marquee{position:relative;margin-top:clamp(40px,5vw,70px);overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee .track{display:flex;width:max-content;gap:0;animation:slide 48s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.marquee span{display:inline-flex;align-items:center;gap:40px;padding-right:40px;font:400 clamp(44px,6vw,96px)/1.1 var(--serif);letter-spacing:-.02em;white-space:nowrap;color:var(--on-night)}
.marquee span::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--gold);opacity:.7}
.marquee span:nth-child(even){font-style:italic;color:var(--on-night-2)}
@keyframes slide{to{transform:translateX(-50%)}}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:clamp(56px,7vw,100px);background:var(--night-line);border-radius:var(--radius-s);overflow:hidden}
.facts div{background:var(--night);padding:28px 26px 30px}
.facts b{display:block;font:400 30px/1.1 var(--serif);color:var(--on-night);margin-bottom:8px}
.facts p{color:var(--on-night-2);font-size:15.5px}
@media (max-width:900px){.facts{grid-template-columns:1fr}}

/* pricing */
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.tier{position:relative;display:flex;flex-direction:column;padding:34px 30px 30px;border-radius:var(--radius);background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.tier.featured{background:var(--night);color:var(--on-night);box-shadow:var(--shadow-l)}
.tier .flag{position:absolute;top:22px;right:22px;font:600 11.5px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
.tier h3{font:400 40px/1 var(--serif)}
.tier .tl{margin-top:10px;color:var(--ink-2);min-height:3.2em}
.tier.featured .tl{color:var(--on-night-2)}
.price{display:flex;align-items:baseline;gap:12px;margin-top:26px;font:400 58px/1 var(--serif);letter-spacing:-.02em}
.price s{font:400 18px/1 var(--sans);color:var(--muted)}
.tier.featured .price s{color:var(--on-night-3)}
.price-note{margin-top:8px;font-size:13.5px;color:var(--muted)}
.tier.featured .price-note{color:var(--on-night-3)}
.tier ul{list-style:none;margin:26px 0 30px;padding:22px 0 0;border-top:1px solid var(--line);display:grid;gap:11px;font-size:15.5px}
.tier.featured ul{border-color:var(--night-line)}
.tier li{display:grid;grid-template-columns:18px 1fr;gap:10px}
.tier li svg{margin-top:5px;color:var(--ok)}
.tier .btn{margin-top:auto;justify-content:center}
.tier[data-unavailable]{opacity:.6}
.pnotes{margin-top:26px;font-size:15px;color:var(--ink-2);max-width:78ch}
@media (max-width:1000px){.tiers{grid-template-columns:1fr}}

/* steps */
.steps4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;counter-reset:s;border-top:1px solid var(--line)}
.steps4 li{list-style:none;padding:26px 26px 0 0;counter-increment:s}
.steps4 li::before{content:"0" counter(s);display:block;margin-bottom:26px;font:600 12.5px/1 var(--sans);letter-spacing:.14em;color:var(--muted)}
.steps4 h3{font:400 28px/1.08 var(--serif);margin-bottom:10px}
.steps4 p{color:var(--ink-2);font-size:15.5px}
@media (max-width:1000px){.steps4{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 0}}
@media (max-width:600px){.steps4{grid-template-columns:1fr}}

/* questions */
.qa{border-top:1px solid var(--line)}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:26px 0;cursor:pointer;font:400 clamp(22px,2vw,28px)/1.2 var(--serif)}
.qa summary::-webkit-details-marker{display:none}
.qa summary i{flex:none;position:relative;width:18px;height:18px}
.qa summary i::before,.qa summary i::after{content:"";position:absolute;left:0;right:0;top:50%;height:1.5px;background:currentColor;transition:transform .4s var(--ease-out)}
.qa summary i::after{transform:rotate(90deg)}
.qa details[open] summary i::after{transform:rotate(0)}
.qa .a{padding:0 0 28px;max-width:70ch;color:var(--ink-2)}
.qa-cols{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(24px,5vw,90px)}
@media (max-width:900px){.qa-cols{grid-template-columns:1fr}}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(28px,5vw,80px)}
.form{display:grid;gap:18px}
.form label{display:grid;gap:8px;font-size:14px;font-weight:600;color:var(--on-night-2)}
.form input,.form textarea{width:100%;padding:15px 16px;border-radius:12px;border:0;background:var(--night-2);box-shadow:inset 0 0 0 1px var(--night-line);color:var(--on-night);font:400 16px/1.5 var(--sans);transition:box-shadow .25s}
.form input:focus,.form textarea:focus{outline:0;box-shadow:inset 0 0 0 1.5px var(--on-night-2)}
.form .hp{position:absolute;left:-9999px}
.form .go{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.contact-status{font-size:14.5px;color:var(--on-night-2)}
.contact-status.is-error{color:#e8a397}.contact-status.is-ok{color:#9fd3b4}
.aside h3{font:400 24px/1.15 var(--serif);color:var(--on-night);margin-top:26px}
.aside h3:first-child{margin-top:0}
.aside p{margin-top:8px;color:var(--on-night-2);font-size:15.5px}
.aside a{color:var(--on-night)}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}

/* footer */
.foot{background:var(--night);color:var(--on-night-2);padding:clamp(70px,8vw,120px) 0 40px;border-top:1px solid var(--night-line)}
.foot .big{font:400 clamp(60px,13vw,210px)/.86 var(--serif);letter-spacing:-.03em;color:var(--on-night);margin-bottom:clamp(40px,6vw,80px)}
.foot .big em{color:var(--on-night-3)}
.foot .cols{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;font-size:14.5px}
.foot nav{display:flex;flex-wrap:wrap;gap:22px}
.foot a{text-decoration:none;color:var(--on-night-2)}.foot a:hover{color:var(--on-night)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0ms!important}
  .frame .face{transition:opacity .25s linear!important}
  .window{transform:none}.shot.float{transform:none}
  .split .w>span{transform:none}.rise{opacity:1;transform:none}
}

/* the morph without motion (phones, or less motion asked for): the same work as a gallery */
.morph.static{height:auto}
.morph.static .pin{position:static;height:auto;grid-template-columns:1fr}
.morph.static .chapters{min-height:0}.morph.static .chapter{position:static;opacity:1;transform:none;margin-bottom:26px}
.morph.static .rail{display:none}
.morph.static .canvas{display:block;height:auto}
.morph.static .frame{width:auto!important;height:auto!important;background:none;box-shadow:none;overflow:visible;display:grid;gap:22px}
.morph.static .browser{display:none}
.morph.static .face{position:relative;opacity:1!important;border-radius:var(--radius-s);overflow:hidden;box-shadow:var(--shadow-m);background:#fff}
.morph.static .face.deck img+img{display:none}
.morph.static .face img{position:relative}
.morph.static .face.web{max-height:720px}
.morph.static .face.web img{transform:none}

/* a page of text (privacy and product details) */
.doc-hero{padding:clamp(150px,19vh,210px) 0 clamp(50px,6vw,90px)}
.doc{display:grid;grid-template-columns:minmax(0,.32fr) minmax(0,1fr);gap:clamp(28px,5vw,96px);padding-bottom:clamp(100px,11vw,170px)}
.toc{position:sticky;top:104px;align-self:start;display:grid;border-top:1px solid var(--line)}
.toc a{display:flex;gap:16px;padding:13px 0;text-decoration:none;color:var(--ink-2);border-bottom:1px solid var(--line);font-size:15.5px;transition:color .2s,padding-left .35s var(--ease-out)}
.toc a:hover{color:var(--ink);padding-left:6px}
.toc a span{font:600 12px/1.9 var(--sans);letter-spacing:.12em;color:var(--muted)}
.doc section{padding:0 0 clamp(56px,6vw,90px);scroll-margin-top:110px}
.doc section>.mono{margin-bottom:14px;font:600 12.5px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.doc section>.mono b{margin-right:12px;color:var(--ink)}
.doc h2{font:400 clamp(38px,3.8vw,60px)/1.02 var(--serif);letter-spacing:-.02em;margin-bottom:24px}
.doc h3{font:600 17px/1.35 var(--sans);margin:30px 0 8px;color:var(--ink)}
.doc p{color:var(--ink-2);max-width:68ch}.doc p+p{margin-top:14px}
.doc a{color:var(--ink)}
@media (max-width:900px){.doc{grid-template-columns:1fr}.toc{position:static}}

/* Twenty-five looks: one deck drawn in every style, on two rows drifting in opposite directions. */
.looks-band{overflow:hidden}
.wall{display:flex;flex-direction:column;gap:18px;padding:6px 0 24px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.wall-row{display:flex;gap:18px;width:max-content;animation:wall 120s linear infinite}
.wall-row.rev{animation-direction:reverse;animation-duration:140s}
.wall:hover .wall-row{animation-play-state:paused}
.wall-tile{position:relative;flex:none;width:clamp(250px,25vw,400px);margin:0;transition:transform .5s var(--ease-out)}
.wall-tile:hover{transform:translateY(-6px)}
.wall-tile img{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:12px;box-shadow:0 1px 1px rgba(19,25,38,.05),0 26px 46px -28px rgba(19,25,38,.5)}
.wall-tile figcaption{padding:12px 2px 0;font:600 11.5px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
@keyframes wall{to{transform:translateX(calc(-50% - 9px))}}
.parts{display:flex;flex-wrap:wrap;gap:10px;margin-top:clamp(36px,5vw,64px)}
.parts span{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line);font-size:14px;font-weight:500;color:var(--ink-2)}

/* Coding (index #coding): cards on the plain page colour. */
.coding .cardtypes div{background:var(--card)}
/* Version history (versions.html): one version per row, its number and date beside what it changed. */
.versions{padding-bottom:clamp(90px,10vw,160px)}
.ver{max-width:1040px;display:grid;grid-template-columns:minmax(0,200px) minmax(0,1fr);gap:14px clamp(24px,4vw,64px);padding:clamp(28px,3.4vw,44px) 0;border-top:1px solid var(--line)}
.ver:last-child{border-bottom:1px solid var(--line)}
.ver h2{font:400 clamp(36px,4vw,48px)/1 var(--serif);letter-spacing:-.01em;color:var(--ink)}
.ver-date{margin-top:10px;font-size:14px;line-height:1.4;color:var(--muted)}
.ver-body p{margin:0 0 14px;font-size:17px;line-height:1.6;color:var(--ink)}
.ver-body ul{margin:0;padding:0 0 0 1.15em;display:grid;gap:10px}
.ver-body li{font-size:16px;line-height:1.62;color:var(--ink-2)}
.ver-body li::marker{color:var(--line-2)}
@media (max-width:700px){.ver{grid-template-columns:1fr;gap:12px}.ver-date{margin-top:6px}}