*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;
  
  scroll-padding-top:calc(var(--header-h) + 16px);
}

@media (max-width:760px){ html.has-dock{scroll-padding-bottom:calc(var(--bar-h) + 16px)} }
body{
  margin:0;min-height:100vh;
  background:var(--ink-0);color:var(--text);
  font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.6;
  font-feature-settings:'ss01','cv11';
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  
  overflow-x:clip;
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.02;letter-spacing:var(--track-tight);text-wrap:balance}
h1{font-size:var(--fs-hero);font-weight:600}
h2{font-size:var(--fs-h2)}
h3{font-size:var(--fs-h3);letter-spacing:-.02em;line-height:1.15}
p{margin:0;text-wrap:pretty}
a{color:inherit;text-decoration:none}
img,svg,video,canvas{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(192,132,252,.35);color:#fff}


:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:6px;box-shadow:0 0 0 9px rgba(5,5,7,.88)}
@media (forced-colors:active){
  :focus-visible{outline:2px solid Highlight;box-shadow:none}
}


.skip{
  position:fixed;inset-inline-start:16px;top:12px;z-index:200;padding:12px 20px;border-radius:var(--radius-pill);
  background:#F5F5F7;color:#0B0B10;font-weight:600;font-size:.95rem;
  transform:translateY(-160%);transition:transform var(--dur-fast) var(--ease-out);
}
.skip:focus,.skip:focus-visible{transform:none}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{position:relative;padding-block:var(--section)}

@media (max-width:760px){ .section{padding-bottom:40px} }
.lead{font-size:var(--fs-lead);color:var(--muted);max-width:56ch;line-height:1.55}
.muted{color:var(--muted)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

.grad-text{
  font-family:var(--font-serif);font-style:italic;font-weight:400;letter-spacing:-.01em;
  background:var(--iris);-webkit-background-clip:text;background-clip:text;color:transparent;
  padding-inline-end:.06em;
}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}


.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.aurora{
  position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  background:radial-gradient(120% 80% at 50% 120%,rgba(255,255,255,.035),transparent 60%);
}

.aurora::before,.aurora::after{content:"";position:absolute;width:120vw;height:100vh;border-radius:50%;will-change:transform}
.aurora::before{
  left:-40vw;top:-40vh;background:radial-gradient(closest-side,rgba(168,85,247,.16),transparent);
  transform:translate3d(calc(var(--sy,0) * 36vw),calc(var(--sy,0) * 40vh),0);
}
.aurora::after{
  left:25vw;top:20vh;width:100vw;height:90vh;background:radial-gradient(closest-side,rgba(236,72,153,.11),transparent);
  transform:translate3d(calc(var(--sy,0) * -30vw),calc(var(--sy,0) * -30vh),0);
}

.aurora i{
  --k:0;
  position:absolute;inset:-10vh -10vw;display:block;
  background:radial-gradient(60% 55% at 50% 58%,var(--c),transparent 72%);
  opacity:calc(var(--svc-on,0) * .34 * clamp(0,calc(1 - max(var(--svc,0) - var(--k),var(--k) - var(--svc,0))),1));
}
.aurora i:nth-child(1){--c:rgba(192,132,252,.9)}
.aurora i:nth-child(2){--k:1;--c:rgba(244,114,182,.85)}
.aurora i:nth-child(3){--k:2;--c:rgba(245,225,255,.7)}
.vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(130% 100% at 50% 40%,transparent 55%,rgba(0,0,0,.55))}
main,header,footer{position:relative;z-index:2}


.chapter{
  display:flex;align-items:baseline;gap:14px;margin-bottom:28px;
  font-family:var(--font-mono);font-size:var(--fs-eyebrow);letter-spacing:var(--track-eyebrow);color:var(--dim);text-transform:uppercase;
}
.chapter b{font-weight:500;color:var(--text);font-variant-numeric:tabular-nums}
.chapter::after{content:"";flex:1;height:1px;background:var(--line);transform:translateY(-3px)}
@media (max-width:760px){ .chapter{margin-bottom:18px} }


@view-transition{navigation:auto}

header#top .nav{view-transition-name:entete}
h1{view-transition-name:titre}
::view-transition-old(root),::view-transition-new(root){animation-duration:250ms}

@media (prefers-reduced-motion:reduce){
  @view-transition{navigation:none}
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

.nw{white-space:nowrap}