/* Shared styles for the Blog. Two colours and white. */
:root{--ink:#2B1D36;--a:#E4D9FF;--hot:#E4D9FF;--white:#FFFFFF}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Instrument Sans',system-ui,sans-serif;font-optical-sizing:auto;background:var(--white);color:var(--ink);line-height:1.6;font-size:18px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}
.si{font-family:'Roboto Slab',Georgia,serif;font-weight:600}

/* nav */
nav{background:var(--white);position:sticky;top:0;z-index:20}
nav .wrap{display:flex;justify-content:space-between;align-items:center;height:72px;gap:16px}
.logo{font-weight:600;font-size:27px;letter-spacing:-0.04em;text-decoration:none}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a:not(.btn){text-decoration:none;font-weight:500;font-size:16px;background:}
.nav-links a:not(.btn):hover,.nav-links a.here{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}

/* buttons: square, with a colour wipe */
.btn{position:relative;isolation:isolate;overflow:hidden;display:inline-flex;align-items:center;gap:.7em;background:var(--ink);color:var(--white);text-decoration:none;font-weight:600;font-size:18px;letter-spacing:-0.01em;padding:18px 28px;border:0;border-radius:0;cursor:pointer;font-family:inherit;transition:color .25s}
.btn::before{content:"";position:absolute;inset:0;background:var(--hot);transform:translateY(101%);transition:transform .3s cubic-bezier(.2,.7,.2,1);z-index:-1}
.btn:hover{color:var(--ink)}
.btn:hover::before{transform:none}
.btn .arr{display:inline-block;transition:transform .3s}
.btn:hover .arr{transform:translateX(6px)}
.btn.small{padding:11px 18px;font-size:15px}

/* blog index */
.w-hero{background:var(--a);padding:76px 0 84px}
.w-hero h1{font-size:clamp(52px,9vw,112px);font-weight:600;letter-spacing:-0.05em;line-height:.92;margin-bottom:20px}
.w-hero p{font-size:22px;max-width:560px}
.list{padding:56px 0 110px}
.item{position:relative;isolation:isolate;overflow:hidden;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:34px 16px;margin:0 -16px;border-top:2px solid var(--ink);text-decoration:none}
.list .item:last-child{border-bottom:2px solid var(--ink)}
.item::before{content:"";position:absolute;inset:0;background:var(--hot);transform:translateX(-101%);transition:transform .4s cubic-bezier(.2,.7,.2,1);z-index:-1}
.item:hover::before{transform:none}
.item h2{font-size:clamp(26px,3.4vw,42px);font-weight:600;letter-spacing:-0.03em;line-height:1.05;margin-bottom:10px;max-width:760px}
.item p{font-size:19px;max-width:640px}
.item .go{font-weight:600;font-size:34px;transition:transform .3s}
.item:hover .go{transform:translateX(8px)}

/* article */
.a-hero{background:var(--a);padding:52px 0 68px}
.back{display:inline-flex;gap:.6em;font-weight:600;font-size:16px;text-decoration:none;margin-bottom:34px}
.back:hover{text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:5px}
.a-hero h1{font-size:clamp(38px,5.8vw,76px);font-weight:600;letter-spacing:-0.04em;line-height:1;max-width:920px;margin-bottom:22px}
.a-hero .sub{font-size:21px}
.article{max-width:700px;margin:0 auto;padding:68px 28px 24px;font-size:20px;line-height:1.65}
.article p{margin-bottom:22px}
.article h2{font-size:clamp(28px,3.6vw,38px);font-weight:600;letter-spacing:-0.03em;line-height:1.1;margin:72px 0 20px}
.article ol{margin:6px 0 26px 0;padding-left:1.4em}
.article li{margin-bottom:14px;padding-left:.3em}
.article li strong{font-weight:600}
.byline{margin-top:64px;padding-top:28px;border-top:2px solid var(--ink);font-size:19px}
.byline a{font-weight:600;text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:5px}
.after{max-width:700px;margin:0 auto;padding:0 28px 100px}

/* chat transcripts: the only rounded things */
.demo{display:grid;gap:16px;margin:34px 0 8px}
.demo .row{display:grid;gap:5px;max-width:94%;justify-items:start}
.demo .row.me{justify-self:end;justify-items:end}
.demo .who{font-weight:600;font-size:12px;letter-spacing:.1em;text-transform:uppercase;padding:0 6px}
.bubble{position:relative;display:inline-block;padding:15px 22px;border-radius:24px 24px 24px 6px;font-weight:500;font-size:19px;line-height:1.4;color:var(--ink)}
.me .bubble{background:var(--white);border:2px solid var(--ink);border-radius:24px 24px 6px 24px}
.bubble.bad{background:var(--a)}
.bubble.meh{background:var(--white);border:2px solid var(--ink)}
.bubble.ok{background:var(--ink);color:var(--white)}
.verdict{display:inline-block;font-weight:600;font-size:19px;padding:7px 16px;margin:14px 0 32px}
.verdict.fail{background:var(--a)}
.verdict.meh{background:var(--white);border:2px solid var(--ink)}
.verdict.pass{background:var(--ink);color:var(--white)}
.strike{position:absolute;left:-4px;top:0;width:calc(100% + 8px);height:100%;overflow:visible;pointer-events:none}
.strike path{fill:none;stroke:var(--ink);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}

/* motion (only when JavaScript is running) */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease var(--dl,0s),transform .7s cubic-bezier(.2,.7,.2,1) var(--dl,0s)}
.js .reveal.in{opacity:1;transform:none}
.js .bad .strike{clip-path:inset(0 100% 0 0);transition:clip-path .7s ease-out calc(var(--dl,0s) + .7s)}
.js .bad.in .strike{clip-path:inset(0)}
.js .bad .t{transition:opacity .5s ease calc(var(--dl,0s) + .9s)}
.js .bad.in .t{opacity:.62}
.js .bad.in .t{display:inline-block;animation:wobble .55s ease-in-out calc(var(--dl,0s) + 1.2s) 1}
@keyframes wobble{0%,100%{transform:none}30%{transform:rotate(-1.8deg)}65%{transform:rotate(1.4deg)}}

footer{background:var(--ink);color:var(--white);padding:36px 0}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:16px}
footer a{color:var(--hot)}

@media(max-width:960px){
  .w-hero{padding:48px 0 56px}
  .item{grid-template-columns:1fr;gap:10px}
  .item .go{display:none}
  .nav-links a:not(.btn):not(.here){display:none}
  .article{padding-top:48px;font-size:19px}
  .demo .row{max-width:100%}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .js .bad .strike{clip-path:none;transition:none}
  .js .bad.in .t{animation:none}
}

h1,h2,h3{text-wrap:balance}
p,li,.bubble{text-wrap:pretty}

.item .d{display:block;font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}