/* iMessage Connector — one-screen canvas. Light only, on purpose. */
@font-face{font-family:"IC Display";src:url("assets/fonts/archivo-black.woff2") format("woff2");font-weight:900;font-style:normal;font-display:swap}
@font-face{font-family:"IC Wide";src:url("assets/fonts/archivo-black-expanded-italic.woff2") format("woff2");font-weight:900;font-style:italic;font-display:swap}

:root{
  color-scheme:light;
  --canvas:#f2f2f2;
  --ink:#0a0a0a;
  --muted:#575757;           /* 6.4:1 on canvas, 7.2:1 on white */
  --line:rgba(0,0,0,.08);
  --cell:clamp(28px,2.6vw,50px);
  --ui:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Helvetica,Arial,sans-serif;
  --ease-out:cubic-bezier(.23,1,.32,1);
  --gutter:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;min-height:100vh;min-height:100svh;
  background-color:var(--canvas);
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:var(--cell) var(--cell);
  background-position:-1px -1px;
  box-shadow:inset 2px 0 0 var(--ink);
  color:var(--ink);font:500 16px/1.45 var(--ui);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:50;background:var(--ink);color:#fff;padding:8px 14px;border-radius:10px;text-decoration:none;font-size:14px}
.skip:focus{top:12px}

/* --- tiny chrome ----------------------------------------------------------------------- */
.chrome{position:fixed;z-index:30;font-size:12px;line-height:1;letter-spacing:.01em}
.chrome a{text-decoration:none;color:var(--ink);padding:10px 8px;display:inline-block}
.chrome a:hover{text-decoration:underline;text-underline-offset:3px}
.chrome--lang{position:absolute;top:8px;right:10px;font-weight:600}
.chrome--lang [aria-current]{color:var(--ink);font-weight:800;padding:10px 6px;display:inline-block}
.chrome--lang a{color:var(--muted);font-weight:500;text-decoration:underline;text-underline-offset:3px;min-width:32px;text-align:center}
.chrome--lang a:hover{color:var(--ink)}
.chrome--legal{left:8px;bottom:2px;font-size:12px}
.chrome--legal a{color:var(--muted)}

/* --- stage ----------------------------------------------------------------------------- */
.stage{position:relative;min-height:100vh;min-height:100svh;overflow:hidden}
.hl{margin:0;font-weight:900;line-height:.86;white-space:nowrap;pointer-events:none;user-select:none}
.hl__top,.hl__bottom{display:block}
.hl__top{
  position:absolute;z-index:1;left:0;top:0;
  font-family:"IC Display","Helvetica Neue",Arial Black,sans-serif;font-stretch:112%;
  font-size:clamp(64px,10.6vw,210px);letter-spacing:-.035em;
  transform:translate(-.09em,-.15em);
}
/* accented capitals (É, À) rise above the cap line: keep them inside the page */
.hl__top:lang(fr){transform:translate(-.06em,.14em)}
.foot{position:absolute;z-index:1;right:0;bottom:clamp(28px,4.4vh,56px)}
.hl__bottom{
  font-family:"IC Wide","Helvetica Neue",Arial Black,sans-serif;font-style:italic;font-stretch:125%;
  font-size:clamp(36px,4.6vw,96px);letter-spacing:-.04em;padding-right:.1em;
  margin-right:.03em;text-align:left;
}
.sub{margin:.55em 0 0;padding-right:clamp(16px,3vw,48px);font-size:clamp(18px,1.8vw,26px);font-weight:500;line-height:1.18;letter-spacing:-.012em;max-width:30ch;text-wrap:balance}

/* --- the pill -------------------------------------------------------------------------- */
.center{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-56%);width:min(680px,calc(100vw - 2*var(--gutter)))}
.pill{
  position:relative;border-radius:22px;padding:18px 20px 14px;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);
  border:1px solid rgba(0,0,0,.07);
  box-shadow:0 1px 0 rgba(255,255,255,.8) inset;
}
/* the drop shadow lives on its own layer so the entrance can bloom it with opacity only */
.pill::before{content:"";position:absolute;inset:-1px;z-index:-1;border-radius:inherit;pointer-events:none;box-shadow:0 30px 70px -18px rgba(0,0,0,.30),0 6px 18px -6px rgba(0,0,0,.10)}
.pill__prompt{margin:0;font-size:17px;font-weight:500;line-height:1.42;letter-spacing:-.008em;overflow-wrap:anywhere;user-select:text}
.pill__prompt code{font:inherit}
.pill__rule{height:1px;background:rgba(0,0,0,.09);margin:14px 0 10px;border:0}
.pill__row{display:flex;align-items:center;gap:10px;min-height:44px}
.thumb{flex:none;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#1b1b1b;color:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.06) inset}
.thumb{background:none;box-shadow:none;overflow:hidden}
.thumb picture,.thumb img{display:block;width:38px;height:38px}
.thumb svg{width:20px;height:20px;fill:currentColor}
.thumb .mono{font:800 17px/1 var(--ui)}
.picker{position:relative;min-width:0}
.picker__btn{
  appearance:none;border:0;background:none;color:var(--ink);cursor:pointer;
  font:700 17px/1 var(--ui);letter-spacing:-.01em;padding:10px 4px;margin-left:-4px;border-radius:8px;
  display:inline-flex;align-items:center;gap:5px;white-space:nowrap;
}
.picker__btn svg{width:12px;height:12px;transition:transform 160ms var(--ease-out)}
.picker__btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.or{color:var(--muted);font-size:16px;font-weight:500;white-space:nowrap}
.spacer{flex:1}
.go{
  flex:none;height:44px;padding:0 18px 0 15px;border-radius:999px;border:0;cursor:pointer;
  background:var(--ink);color:#fff;display:inline-flex;align-items:center;gap:8px;
  font:650 15px/1 var(--ui);letter-spacing:-.005em;white-space:nowrap;
  transition:transform 160ms var(--ease-out),background-color 160ms ease;
  position:relative;
}
.go::after{content:"";position:absolute;inset:-4px;border-radius:999px}
.go svg{width:18px;height:18px}
.go .i-ok,.go .go__ok{display:none}
.go.is-ok .i-up,.go.is-ok .go__label{display:none}
.go.is-ok .i-ok{display:block}
.go.is-ok .go__ok{display:inline}
.go:active{transform:scale(.94)}
@media (hover:hover) and (pointer:fine){.go:hover{background:#2a2a2a}.picker__btn:hover{background:rgba(0,0,0,.05)}}

.list{
  position:absolute;z-index:10;left:-4px;top:calc(100% + 6px);margin:0;padding:6px;list-style:none;min-width:220px;
  background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid rgba(0,0,0,.08);border-radius:14px;box-shadow:0 18px 48px -12px rgba(0,0,0,.30);
  transform-origin:top left;transition:opacity 150ms var(--ease-out),transform 150ms var(--ease-out);
}
.list.is-up{top:auto;bottom:calc(100% + 6px);transform-origin:bottom left}
.list[hidden]{display:block;visibility:hidden;opacity:0;transform:scale(.97);pointer-events:none}
.opt{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;cursor:pointer;font-size:15px;font-weight:600}
.opt .thumb{width:28px;height:28px;border-radius:8px}
.opt .thumb svg{width:15px;height:15px}
.opt .thumb .mono{font-size:13px}
.opt[aria-selected="true"]::after{content:"";margin-left:auto;width:8px;height:8px;border-radius:50%;background:var(--ink)}
.opt.is-active{background:rgba(0,0,0,.06)}
.list:focus{outline:none}
.list:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

.meta{margin:14px 0 0;text-align:center;font-size:13px;color:var(--muted);line-height:1.6}
.meta a{color:var(--ink);text-underline-offset:3px;text-decoration-thickness:1px;padding:6px 0}
.meta .dot{margin:0 .45em}

.toast{
  position:absolute;left:50%;top:calc(100% + 44px);z-index:4;
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;padding:10px 16px;border-radius:999px;white-space:nowrap;
  transform:translate(-50%,6px);opacity:0;transition:opacity 180ms var(--ease-out),transform 220ms var(--ease-out);pointer-events:none;
  max-width:calc(100vw - 32px);overflow:hidden;text-overflow:ellipsis;
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* --- trail ----------------------------------------------------------------------------- */
.trail{position:fixed;inset:0;z-index:2;pointer-events:none;overflow:hidden;contain:strict}
.card{
  position:absolute;left:0;top:0;width:140px;height:176px;margin:-88px 0 0 -70px;border-radius:14px;
  border:2px solid #fff;box-shadow:0 6px 40px rgba(0,0,0,.35);overflow:hidden;background:#ddd;
  will-change:transform,opacity;opacity:0;backface-visibility:hidden;
}
.card img{display:block;width:100%;height:100%;object-fit:cover}
.card.p0{background:linear-gradient(150deg,#ffb36b,#ff6a2b 60%,#c2410c)}
.card.p1{background:linear-gradient(160deg,#2c3e70,#0f1a3a)}
.card.p2{background:linear-gradient(140deg,#efe6d6,#c9b48f)}
.card.p3{background:linear-gradient(160deg,#b8c7b0,#5f7a5a)}
.card.p4{background:linear-gradient(150deg,#3a3a3a,#0d0d0d)}
.card.p5{background:linear-gradient(150deg,#ffd9c2,#ff9a76)}
.trail.is-static .card{opacity:1}
/* the real Messages icon: the icon itself is never altered, only how it is presented */
.card--icon{width:56px;height:56px;margin:-28px 0 0 -28px;border:0;border-radius:0;background:none;box-shadow:none;overflow:visible}
.card--icon img{object-fit:contain;filter:drop-shadow(0 5px 9px rgba(0,0,0,.22))}
.card--icon.t1 img{filter:drop-shadow(0 11px 16px rgba(0,0,0,.32))}
.card--icon.t2 img{transform:perspective(200px) rotateY(-22deg) rotateX(10deg);filter:drop-shadow(7px 8px 11px rgba(0,0,0,.26))}
.card--icon.t3{background:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.9);border-radius:15px;padding:7px;box-shadow:0 9px 22px -7px rgba(0,0,0,.30);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);width:64px;height:64px;margin:-32px 0 0 -32px}
.card--icon.t3 img{filter:none}
.credits{color:var(--muted);font-size:11px}
.chrome--legal{max-width:min(560px,44vw);line-height:1.35}

/* --- small screens: stack -------------------------------------------------------------- */
@media (max-width:820px),(max-height:600px){
  .stage{display:flex;flex-direction:column;justify-content:space-between;gap:28px;padding:0 0 40px}
  .hl__top{position:relative;font-size:clamp(52px,21vw,150px);white-space:normal;line-height:.84;transform:translate(-.06em,-.1em);margin-bottom:-.1em}
  .hl__top,.hl__top:lang(fr){padding-top:40px;transform:translateX(-.06em);margin-bottom:0}
  .chrome--lang{top:4px;right:4px}
  .center{position:relative;left:auto;top:auto;transform:none;margin:0 auto;width:calc(100% - 2*var(--gutter))}
  .foot{position:relative;right:auto;bottom:auto;max-width:none;align-self:flex-end;padding-left:var(--gutter)}
  .hl__bottom{font-size:clamp(36px,10.6vw,96px);text-align:right;white-space:normal;line-height:.9;margin-right:0;padding-right:.07em}
  .chrome--legal{position:relative;left:auto;bottom:auto;margin:-36px 0 0;padding:0 8px 10px}
  .sub{margin-left:auto;padding-right:var(--gutter);text-align:right}
  .toast{top:auto;bottom:calc(100% + 10px)}
  .card{width:105px;height:132px;margin:-66px 0 0 -52px;border-radius:12px}
  .card--icon{width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:0}
  .card--icon.t3{width:50px;height:50px;margin:-25px 0 0 -25px;padding:6px;border-radius:12px}
}
@media (max-width:520px){
  .pill__row{flex-wrap:wrap;row-gap:10px}
  .pill__row .spacer{display:none}
  .go{flex:1 0 100%;justify-content:center;height:48px}
}
@media (max-width:420px){
  .pill{padding:16px 14px 12px}
  .pill__prompt{font-size:16px}
  .or{display:none}
}

/* --- entrance (docs/intro.js) ----------------------------------------------------------
   Hidden start states exist only under html.intro, which an inline script sets before first
   paint (never with reduced motion) and a 4 s safety timer removes. No JS → no hiding. */
.intro .hl__top{opacity:0;transform-origin:18% 60%;will-change:transform,opacity,filter}
.intro .hl__bottom{opacity:0}
.intro .hl__bottom.is-split{opacity:1}
.hl__bottom .w{white-space:nowrap}
.hl__bottom .l{display:inline-block}
.intro .hl__bottom .l{will-change:transform,opacity}
.intro .foot .sub,.intro .pill,.intro .pill__row>*,.intro .center .meta{opacity:0}
.intro .pill{will-change:transform,opacity}
.intro .pill::before{opacity:0}
.intro .pill.is-bloom::before{opacity:1;transition:opacity 900ms cubic-bezier(.23,1,.32,1)}
.intro .pill.is-instant::before{transition:none}
.rain{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;contain:strict}
.rain img{position:absolute;left:0;top:0;display:block;opacity:0;will-change:transform,opacity;user-select:none;
  filter:drop-shadow(0 4px 7px rgba(0,0,0,.18))}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:1ms!important;animation-duration:1ms!important}
}
@media (max-width:820px),(max-height:600px){.chrome--legal{max-width:none}}
/* phones: the whole landing (and its intro) fits one screen, sized from the dynamic viewport height */
@media (max-width:820px){
  .stage{min-height:100vh;min-height:100svh;gap:clamp(6px,1.4svh,18px);padding:0 0 30px}
  .hl__top,.hl__top:lang(fr){font-size:min(21vw,9.4svh);padding-top:clamp(26px,4.4svh,40px)}
  .hl__bottom{font-size:min(10.6vw,5.4svh)}
  .sub{font-size:clamp(14px,2.15svh,18px);margin-top:.35em}
  .pill{padding:12px 13px 10px;border-radius:18px}
  .pill__prompt{font-size:clamp(12.5px,1.95svh,16px);line-height:1.38}
  .pill__rule{margin:9px 0 7px}
  .pill__row{min-height:40px;row-gap:8px}
  .go{height:clamp(40px,5.6svh,48px)}
  .meta{font-size:12.5px;margin-top:8px}
  .chrome--legal{margin-top:-40px;padding-bottom:6px;font-size:11px;white-space:nowrap}
  .chrome--legal .credits{font-size:10.5px}
}

/* --- agent tiles: one tile for every vendor (docs/assets/icons/tile, site/make_tiles.py) ---- */
.thumb{position:relative;border-radius:22.5%}
.thumb picture,.thumb img{border-radius:inherit}
.thumb::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.09),inset 0 1px 0 rgba(255,255,255,.18)}
.opt{gap:12px;padding:6px 10px 6px 8px;min-height:42px;line-height:1.2}
.opt .thumb,.opt .thumb picture,.opt .thumb img{width:30px;height:30px}
.opt__name{flex:1;min-width:0}
.list{overflow-y:auto;overscroll-behavior:contain}
@media (max-width:820px){.opt{min-height:38px;padding-top:4px;padding-bottom:4px}}
.opt[aria-selected="true"]::after{background:var(--a,var(--ink))}

/* agent accent: a thin tint on the pill border and the picker focus ring */
.pill{transition:border-color 280ms ease}
.pill{border-color:color-mix(in oklab,var(--agent,#000) 26%,rgba(0,0,0,.07))}
.pill .thumb::after{box-shadow:inset 0 0 0 1px rgba(0,0,0,.09),0 0 0 2px color-mix(in oklab,var(--agent,#000) 22%,transparent)}
.picker__btn:focus-visible,.list:focus-visible{outline-color:var(--agent,var(--ink))}

/* dropdown: items fall in one by one on a short spring, close is one quick fade (120 ms) */
.list[hidden]{transition-duration:120ms}
@keyframes opt-in{from{opacity:0;transform:translateY(var(--dy,-8px))}to{opacity:1;transform:none}}
.list.is-anim .opt{animation:opt-in 320ms cubic-bezier(.23,1,.32,1) both;animation-delay:calc(var(--i) * 45ms)}
@supports (animation-timing-function:linear(0,1)){
  .list.is-anim .opt{animation-timing-function:linear(0, 0.041, 0.144, 0.285, 0.44, 0.595, 0.738, 0.86, 0.959, 1.033, 1.083, 1.113, 1.125, 1.125, 1.114, 1.098, 1.079, 1.059, 1.041, 1.024, 1.01, 1, 0.992, 0.987, 1)}
}
.list.is-up.is-anim .opt{--dy:8px;animation-delay:calc((var(--n,9) - 1 - var(--i)) * 45ms)}

/* copy wave: the headlines and the button take the agent colours for one sweep */
.go>*{position:relative;z-index:1}
.go::before{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;pointer-events:none;
  background:linear-gradient(100deg,var(--agent,#0a0a0a),var(--agent2,#0a0a0a));
  transition:opacity 260ms ease;transition-delay:0ms}
.go.is-ok.is-fill::before{opacity:1;transition-delay:var(--fill-delay,0ms)}
.is-waving .hl__top,.is-waving .hl__bottom:not(.is-split),.is-waving .hl__bottom .l{
  background-image:var(--wave);background-repeat:no-repeat;background-size:var(--wave-w,300vw) 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
/* glyphs overhang their boxes (italic, accents): pad the paint box, cancel it in layout */
.is-waving .hl__bottom .l{padding:.2em .14em;margin:-.2em -.14em}
.is-waving .hl__top{padding:.25em .12em;margin:-.25em -.12em}
.is-waving .hl__bottom:not(.is-split){padding-top:.2em;padding-bottom:.2em;margin-top:-.2em;margin-bottom:-.2em}
/* reduced motion: a still two-second tint, no sweep */
.is-tinted .hl__top,.is-tinted .hl__bottom{color:var(--tint,var(--ink))}

/* heart easter egg (docs/heart.js) */
.heart-pop{position:fixed;z-index:60;left:0;top:0;display:flex;align-items:center;gap:2px;
  max-width:calc(100vw - 32px);padding:4px 4px 4px 16px;border-radius:999px;
  background:var(--ink);color:#fff;font:600 14px/1.25 var(--ui);letter-spacing:-.005em;
  box-shadow:0 14px 34px -10px rgba(0,0,0,.45);opacity:0;transform:translateY(6px) scale(.96);
  transition:opacity 220ms var(--ease-out),transform 260ms var(--ease-out)}
.heart-pop.is-on{opacity:1;transform:none}
.heart-pop:focus{outline:none}
.heart-pop:focus-visible{outline:2px solid rgba(10,10,10,.3);outline-offset:3px}
.heart-pop a{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;padding:8px 6px 8px 0;border-radius:6px}
.heart-pop a:focus-visible,.heart-pop button:focus-visible{outline:2px solid #fff;outline-offset:1px}
.heart-pop button{appearance:none;border:0;background:rgba(255,255,255,.14);color:#fff;cursor:pointer;flex:none;
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font:500 18px/1 var(--ui);margin-left:6px;
  transition:background-color 160ms ease,transform 160ms var(--ease-out)}
.heart-pop button:active{transform:scale(.94)}
@media (hover:hover) and (pointer:fine){.heart-pop button:hover{background:rgba(255,255,255,.26)}}
.heart-pop button::after{content:"";position:absolute;width:44px;height:44px}
.confetti{position:fixed;inset:0;z-index:59;pointer-events:none;overflow:hidden;contain:strict}
.confetti img{position:absolute;left:0;top:0;width:30px;height:30px;margin:-15px 0 0 -15px;will-change:transform,opacity;
  filter:drop-shadow(0 4px 6px rgba(0,0,0,.2))}

/* ?rm=1 behaves like the system "reduce motion" setting */
html.rm *,html.rm *::before,html.rm *::after{transition-duration:1ms!important;animation:none!important}
@media (prefers-reduced-motion:reduce){.list.is-anim .opt{animation:none}.heart-pop{transform:none}}
html.rm .heart-pop{transform:none}

/* =========================================================================================
   more.html — the detail page in the landing's language. Everything below is scoped to
   body.more (or to elements that only exist there), so the landing never changes.
   ========================================================================================= */
@media (prefers-reduced-motion:no-preference){html:not(.rm):has(body.more){scroll-behavior:smooth}}
.more{--col:760px;--wide:min(1040px,calc(100vw - 2*var(--gutter)));position:relative}
.more .page{position:relative;z-index:1;padding:0 var(--gutter)}
.more .back{position:absolute;z-index:30;top:8px;left:10px;font-size:12px;font-weight:600;line-height:1;color:var(--ink);text-decoration:none;padding:10px 8px}
.more .back:hover{text-decoration:underline;text-underline-offset:3px}
.more .wide{width:100%}
.more p,.more li{font-size:17px;line-height:1.6;font-weight:450}
.more strong{font-weight:700}
.more code:not([data-prompt]){font:500 .9em/1.4 ui-monospace,"SF Mono",Menlo,monospace}

/* hero */
.mh{max-width:var(--wide);margin:0 auto;padding:clamp(76px,12vh,132px) 0 0}
.mh__logo img{display:block;width:clamp(76px,8vw,112px);height:auto;filter:drop-shadow(0 12px 24px rgba(0,0,0,.2))}
.mh__h1{margin:clamp(18px,3vh,28px) 0 0;font-weight:900;text-transform:uppercase}
.mh__a{display:block;font-family:"IC Display","Helvetica Neue",Arial Black,sans-serif;font-stretch:112%;
  font-size:clamp(54px,11.4vw,164px);line-height:.86;letter-spacing:-.035em;margin-left:-.05em;text-wrap:balance}
.mh__b{display:block;margin-top:.32em;font-family:"IC Wide","Helvetica Neue",Arial Black,sans-serif;font-style:italic;
  font-stretch:125%;font-size:clamp(22px,3.4vw,50px);line-height:.95;letter-spacing:-.035em}
.more .mh__lede{max-width:42ch;margin:clamp(20px,3vh,30px) 0 0;font-size:clamp(18px,1.7vw,22px);line-height:1.42;font-weight:500;letter-spacing:-.01em;text-wrap:pretty}
.toc{margin:clamp(24px,4vh,36px) 0 0}
.toc ul{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.toc a{display:inline-flex;align-items:center;min-height:40px;padding:0 15px;border-radius:999px;text-decoration:none;
  font:600 14px/1 var(--ui);letter-spacing:-.005em;background:rgba(255,255,255,.62);border:1px solid rgba(0,0,0,.08);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:background-color 160ms ease,transform 160ms var(--ease-out)}
.toc a:active{transform:scale(.96)}
@media (hover:hover) and (pointer:fine){.toc a:hover{background:#fff}}

/* sections */
.sec{max-width:var(--wide);margin:0 auto;padding-top:clamp(84px,13vh,148px);scroll-margin-top:24px}
.sec>:not(.wide):not(.uses):not(.faq){max-width:var(--col)}
.sec__head{margin:0 0 clamp(16px,2.4vh,24px)}
.sec__num{display:block;font:800 13px/1 var(--ui);letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
.sec h2{margin:0;font-family:"IC Wide","Helvetica Neue",Arial Black,sans-serif;font-style:italic;font-weight:900;font-stretch:125%;
  text-transform:uppercase;font-size:clamp(30px,4.4vw,58px);line-height:.94;letter-spacing:-.035em;text-wrap:balance}
.more .sec__lead{font-size:clamp(18px,1.6vw,20px);line-height:1.5;font-weight:500;letter-spacing:-.008em;margin:0 0 8px;text-wrap:pretty}
.more .sec__after{color:#262626}
.more .links a{font-weight:600;text-underline-offset:3px}
.more .links{font-size:15px}

/* 01 uses + film */
.uses{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,32px);
}
.uses li{margin:0;border-top:2px solid var(--ink);padding-top:14px}
.use__n{display:block;font:900 clamp(40px,4.4vw,64px)/.9 "IC Display","Helvetica Neue",Arial Black,sans-serif;letter-spacing:-.04em;margin-bottom:12px}
.uses p{margin:0;font-size:16.5px}
.film{margin:clamp(36px,5vh,56px) 0 0}
.film__frame{position:relative;aspect-ratio:16/9;border-radius:22px;overflow:hidden;background:#0d0d0d;border:2px solid #fff;
  box-shadow:0 30px 70px -24px rgba(0,0,0,.42),0 6px 18px -6px rgba(0,0,0,.12)}
.film__frame video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.film__frame video[hidden]{display:none}
.film__full{object-fit:contain!important;background:#000}
.film__play{position:absolute;left:clamp(12px,2vw,24px);bottom:clamp(12px,2vw,24px);display:inline-flex;align-items:center;gap:10px;
  height:48px;padding:0 18px 0 14px;border:0;border-radius:999px;cursor:pointer;color:#fff;background:rgba(10,10,10,.8);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);backdrop-filter:blur(14px) saturate(1.3);
  font:650 15px/1 var(--ui);letter-spacing:-.005em;box-shadow:0 10px 30px -10px rgba(0,0,0,.5);
  transition:transform 160ms var(--ease-out),background-color 160ms ease}
.film__play svg{width:18px;height:18px}
.film__len{color:rgba(255,255,255,.66);font-variant-numeric:tabular-nums;font-weight:600}
.film__play:active{transform:scale(.96)}
.film__loop{position:absolute;right:12px;top:12px;width:40px;height:40px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;
  color:var(--ink);background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform 160ms var(--ease-out),background-color 160ms ease}
.film__loop::after{content:"";position:absolute;inset:-4px;border-radius:50%}
.film__loop svg{width:16px;height:16px}
.film__loop .i-play,.film__loop.is-paused .i-pause{display:none}
.film__loop.is-paused .i-play{display:block}
.film__loop:active{transform:scale(.94)}
@media (hover:hover) and (pointer:fine){.film__play:hover{background:rgba(10,10,10,.92)}.film__loop:hover{background:#fff}}
.film.is-full .film__play,.film.is-full .film__loop{display:none}
.film figcaption,.shot figcaption{font-size:13px;line-height:1.45;color:var(--muted);margin-top:12px}
.more .transcript{max-width:var(--col);margin:14px 0 0;border:0}
.more .transcript summary{font-size:14px;font-weight:600;padding:10px 0;cursor:pointer}
.more .transcript p{font-size:15px;color:#262626;margin:0 0 8px}

/* 02 setup */
.pill--more{margin:clamp(22px,3vh,30px) 0 0;
  box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 30px 70px -18px rgba(0,0,0,.26),0 6px 18px -6px rgba(0,0,0,.08)}
.pill--more::before{display:none}
.steps{list-style:none;margin:clamp(28px,4vh,40px) 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:22px 32px}
.steps li{display:flex;gap:14px;margin:0}
.step__n{flex:none;width:1.15em;font:900 40px/.9 "IC Display","Helvetica Neue",Arial Black,sans-serif;letter-spacing:-.04em}
.steps p{margin:0;font-size:16px}
.toast--fixed{position:fixed;left:50%;top:auto;bottom:24px;z-index:40}
[data-wave]{--wave-pad:.18em}
.is-waving [data-wave]{background-image:var(--wave);background-repeat:no-repeat;background-size:var(--wave-w,300vw) 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
  padding:.2em .14em;margin:-.2em -.14em}
.is-tinted [data-wave]{color:var(--tint,var(--ink))}

/* 03 settings + 04 auto-reply */
.shot{margin:clamp(24px,3.4vh,36px) 0 0}
.shot img{display:block;width:100%;height:auto;border-radius:18px;border:2px solid #fff;background:#e8e8e8;
  box-shadow:0 30px 70px -26px rgba(0,0,0,.38),0 6px 18px -6px rgba(0,0,0,.1)}
.shot--sm img{border-radius:14px}
.ticks{list-style:none;margin:28px 0 0;padding:0;columns:2;column-gap:32px}
.ticks li{break-inside:avoid;margin:0 0 12px;padding-left:26px;position:relative;font-size:16px}
.ticks li::before{content:"";position:absolute;left:2px;top:.42em;width:12px;height:7px;border-left:2.4px solid var(--ink);border-bottom:2.4px solid var(--ink);transform:rotate(-45deg)}
.ruled{list-style:none;margin:16px 0 0;padding:0}
.ruled li{margin:0;padding:14px 0;border-top:1px solid rgba(0,0,0,.1)}
.ruled li:last-child{border-bottom:1px solid rgba(0,0,0,.1)}
.ruled--num{counter-reset:r}
.ruled--num li{counter-increment:r;display:grid;grid-template-columns:2.2em 1fr;column-gap:4px}
.ruled--num li::before{content:counter(r,decimal-leading-zero);font:800 13px/1 var(--ui);letter-spacing:.06em;color:var(--muted);padding-top:.45em}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.4vw,28px);margin-top:clamp(24px,3.4vh,36px)}
.pair .shot{margin:0}

/* 05 mac app */
.mac{display:flex;gap:clamp(18px,3vw,32px);align-items:flex-start;margin-top:8px}
.mac__logo img{display:block;width:88px;height:88px;filter:drop-shadow(0 10px 22px rgba(0,0,0,.2))}
.mac__text{min-width:0}
.mac__text>p:first-child{margin-top:0}
.mac__cta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin:22px 0 0}
.mac__meta{font-size:13px;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none}
.chips li{margin:0;padding:7px 13px;border-radius:999px;font:600 13.5px/1.25 var(--ui);background:rgba(255,255,255,.62);border:1px solid rgba(0,0,0,.08)}
.more .mac__alt{font-size:14.5px;color:var(--muted);margin:16px 0 0}
.mac__alt code{color:var(--ink);background:rgba(0,0,0,.06);padding:3px 8px;border-radius:7px;white-space:nowrap}
.btn{display:inline-flex;align-items:center;gap:9px;min-height:48px;padding:0 20px 0 17px;border-radius:999px;text-decoration:none;
  font:650 15px/1.1 var(--ui);letter-spacing:-.005em;transition:transform 160ms var(--ease-out),background-color 160ms ease}
.btn svg{width:18px;height:18px;flex:none}
.btn:active{transform:scale(.97)}
.btn--dark{background:var(--ink);color:#fff}
.btn--light{background:rgba(255,255,255,.7);border:1px solid rgba(0,0,0,.1);color:var(--ink);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
@media (hover:hover) and (pointer:fine){.btn--dark:hover{background:#2a2a2a}.btn--light:hover{background:#fff}}
.btns{margin:20px 0 0}

/* 06 cannot */
.nope{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.nope li{margin:0;display:inline-flex;align-items:center;gap:9px;padding:8px 15px 8px 9px;border-radius:999px;
  background:rgba(255,255,255,.62);border:1px solid rgba(0,0,0,.08);font:600 15px/1.25 var(--ui)}
.nope li::before{content:"";flex:none;width:20px;height:20px;border-radius:50%;background:var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M7 7l6 6M13 7l-6 6' stroke='%23fff' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/20px no-repeat}
.more .sec--cannot .sec__after{margin-top:22px}

/* 08 FAQ */
.faq{margin-top:8px;max-width:880px}
.faq details{border-top:1px solid rgba(0,0,0,.12)}
.faq details:last-child{border-bottom:1px solid rgba(0,0,0,.12)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;list-style:none;
  padding:18px 0;font:700 18px/1.3 var(--ui);letter-spacing:-.012em}
.faq summary::-webkit-details-marker{display:none}
.faq__x{flex:none;position:relative;width:28px;height:28px;border-radius:50%;background:rgba(0,0,0,.06);transition:background-color 160ms ease}
.faq__x::before,.faq__x::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;margin:-1px 0 0 -6px;border-radius:2px;background:var(--ink);
  transition:transform 220ms var(--ease-out)}
.faq__x::after{transform:rotate(90deg)}
.faq details[open] .faq__x::after{transform:rotate(0deg)}
@media (hover:hover) and (pointer:fine){.faq summary:hover .faq__x{background:rgba(0,0,0,.12)}}
.faq__a{padding:0 0 20px}
.faq__a p{margin:0;max-width:64ch}
.agents{display:flex;flex-wrap:wrap;gap:14px 10px;margin:18px 0 0;padding:0;list-style:none}
.agents li{margin:0;width:78px;display:flex;flex-direction:column;align-items:center;gap:7px;text-align:center;font:600 12px/1.2 var(--ui)}
.agents .thumb,.agents .thumb picture,.agents .thumb img{width:44px;height:44px}
.faq__end{height:1px}

/* end */
.sec--coffee{padding-top:clamp(56px,8vh,88px)}
.fine{max-width:var(--wide);margin:0 auto;padding:clamp(72px,10vh,112px) 0 22px}
.more .fine p{margin:0 0 4px;font-size:12px;line-height:1.5;color:var(--muted)}
.fine a{color:var(--ink);text-underline-offset:3px}

/* reveal on scroll (docs/more.js). Start states only under html.rv: set before first paint, never with
   reduced motion or ?rm=1, removed by a 4 s safety timer if the script never runs. */
.rv [data-reveal]>*{opacity:0;transform:translateY(22px)}
.rv [data-reveal].is-in>*{opacity:1;transform:none;
  transition:opacity 620ms var(--ease-out),transform 820ms cubic-bezier(.16,1,.3,1);transition-delay:calc(var(--k,0) * 70ms)}
@media print{.rv [data-reveal]>*{opacity:1;transform:none}.pile,.film__play,.film__loop{display:none}}

/* bottom pile (docs/pile.js) */
.pile{position:absolute;left:0;top:0;width:100%;height:0;z-index:0;pointer-events:none;overflow:hidden}
.pile img{position:absolute;left:0;top:0;display:block;opacity:0;user-select:none;-webkit-user-drag:none;
  filter:drop-shadow(0 5px 8px rgba(0,0,0,.2))}
.pile img.is-tile{border-radius:22.5%}
.pile.is-live img{will-change:transform,opacity}
.pile-floor{height:0}

/* more page, small screens */
@media (max-width:820px){
  .uses{grid-template-columns:1fr;gap:18px}
  .uses li{display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:start}
  .use__n{margin:0;font-size:40px}
  .steps{grid-template-columns:1fr}
  .ticks{columns:1}
  .pair{grid-template-columns:1fr}
  .more .back{top:4px;left:4px}
}
/* below this width the margins beside the text are too narrow for a pile: it gets a strip under the text */
@media (max-width:1219px){.pile-floor{height:120px}}
@media (max-width:520px){
  .more p,.more li{font-size:16px}
  .mac{flex-direction:column;gap:14px}
  .mac__logo img{width:64px;height:64px}
  .film__frame{border-radius:16px}
  .film__play{height:44px;font-size:14px;padding:0 14px 0 12px}
  .faq summary{font-size:16.5px}
  .btn{width:100%;justify-content:center}
}
@media (max-width:420px){.more .pill--more .or{display:none}}
/* more page: comfortable hit areas for the small links (audit) */
.more .links a,.fine a{display:inline-block;padding:9px 0}
.more .back{padding:14px 10px}
@media (pointer:coarse){.toc a{min-height:44px}}
/* FR title is longer and its Ç descends: smaller, a touch more leading so the cedilla never touches the next line */
.mh__a:lang(fr){font-size:clamp(44px,8.4vw,124px);line-height:.94;text-wrap:wrap}

/* taps: no double-tap zoom delay or grey flash on the controls */
button,a,.opt{touch-action:manipulation;-webkit-tap-highlight-color:transparent}