/* Maison Verrelle — a fictional perfume house. Design study. */
:root{
  --ink:#0d0b0e;
  --bone:#efe9df;
  --bone-dim:rgba(239,233,223,.62);
  --line:rgba(239,233,223,.22);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua","Times New Roman",Times,serif;
  --sans:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --gut:clamp(16px,3.2vw,48px);
  --ease:cubic-bezier(.2,.7,.1,1);
  --accent:#dcd4e0;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--ink);-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--bone);font-family:var(--sans);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;cursor:default}
body.is-loading{overflow:hidden}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;text-align:left}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:1px solid var(--bone);outline-offset:4px}

#gl{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0;background:var(--ink)}
.grain{position:fixed;inset:-50%;z-index:1;pointer-events:none;opacity:.07;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
body:not(.motion-off) .grain{animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}

/* ---------- loader ---------- */
.loader{position:fixed;inset:0;z-index:100;background:var(--ink);display:grid;place-items:center;
  transition:clip-path 1.3s var(--ease),visibility 0s 1.3s;clip-path:inset(0 0 0 0)}
.loader__brand{position:absolute;top:var(--gut);left:var(--gut);font:11px/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--bone-dim)}
.loader__num{font-family:var(--serif);font-weight:400;font-size:clamp(88px,22vw,300px);line-height:1;letter-spacing:-.04em;
  display:flex;align-items:baseline;font-variant-numeric:tabular-nums}
.loader__num i{font-style:normal;font-size:.22em;margin-left:.08em;color:var(--bone-dim)}
.loader__line{position:absolute;left:var(--gut);right:var(--gut);bottom:var(--gut);height:1px;background:var(--line)}
.loader__line b{display:block;height:100%;width:100%;background:var(--bone);transform-origin:0 0;transform:scaleX(0)}
body:not(.is-loading) .loader{clip-path:inset(0 0 100% 0);visibility:hidden}

/* ---------- bar ---------- */
.bar{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:calc(var(--gut)*.7) var(--gut);font:11px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;mix-blend-mode:difference;color:#fff}
.bar__logo{font-family:var(--serif);font-size:20px;letter-spacing:.04em;text-transform:none}
.bar__mid{display:flex;align-items:center;gap:12px}
.bar__mid i{display:block;width:28px;height:1px;background:currentColor;opacity:.6}
.bar__mid span{display:inline-block;transition:opacity .5s,transform .6s var(--ease)}
.bar__sound{display:flex;align-items:center;gap:10px;letter-spacing:.2em;text-transform:uppercase;font-size:11px;padding:8px 0}
.bars{display:inline-flex;align-items:flex-end;gap:2px;height:12px}
.bars i{display:block;width:2px;height:3px;background:currentColor;transition:height .4s}
.sound-on .bars i{animation:eq 1s ease-in-out infinite alternate}
.sound-on .bars i:nth-child(2){animation-delay:-.3s}.sound-on .bars i:nth-child(3){animation-delay:-.6s}.sound-on .bars i:nth-child(4){animation-delay:-.15s}
.motion-off .bars i{animation:none;height:6px}
@keyframes eq{from{height:3px}to{height:12px}}

/* ---------- sound prompt ---------- */
.sound-prompt{position:fixed;z-index:60;left:50%;bottom:calc(var(--gut)*1.1);transform:translateX(-50%);padding:14px 22px;
  font:11px/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;white-space:nowrap;
  border:1px solid var(--line);border-radius:99px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(10,8,10,.25);
  opacity:0;pointer-events:none;transition:opacity .9s .2s,border-color .4s}
.sound-prompt:hover{border-color:var(--bone)}
body.ready:not(.sound-asked) .sound-prompt{opacity:1;pointer-events:auto}
.split-letters .ch{display:inline-block;transform:translateY(60%);opacity:0;transition:transform .8s var(--ease),opacity .8s;transition-delay:calc(var(--i)*22ms + .6s)}
body.ready .split-letters .ch{transform:none;opacity:1}
.split-letters .sp{display:inline-block;width:.5em}

/* ---------- cursor ---------- */
.cursor{position:fixed;z-index:90;left:0;top:0;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;
  background:var(--bone);mix-blend-mode:difference;pointer-events:none;opacity:0;
  transition:width .5s var(--ease),height .5s var(--ease),margin .5s var(--ease),opacity .4s,background .4s}
.cursor__label{position:absolute;inset:0;display:grid;place-items:center;font:9px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:#000;opacity:0;white-space:nowrap}
.cursor.is-on{opacity:1}
.cursor.is-flacon{width:84px;height:84px;margin:-42px 0 0 -42px}
.cursor.is-flacon .cursor__label{opacity:1}
.cursor.is-link{width:34px;height:34px;margin:-17px 0 0 -17px}
@media (hover:none),(pointer:coarse){.cursor{display:none}}

/* ---------- flacon hit area ---------- */
.flacon{position:fixed;z-index:20;left:50%;top:50%;width:min(44vmin,360px);height:min(56vmin,440px);transform:translate(-50%,-50%);
  border-radius:40% 40% 18% 18%/22% 22% 10% 10%;-webkit-tap-highlight-color:transparent;touch-action:manipulation;outline-offset:-6px;
  opacity:0;pointer-events:none;transition:opacity .6s}
body.ready .flacon{opacity:1;pointer-events:auto}
.flacon__ring{position:absolute;left:50%;top:50%;width:min(52vmin,420px);height:min(52vmin,420px);transform:translate(-50%,-50%) rotate(-90deg);pointer-events:none;opacity:0;transition:opacity .4s}
.flacon__ring circle{fill:none;stroke:var(--bone);stroke-width:.5;stroke-dasharray:100;stroke-dashoffset:calc(100 - var(--hold,0)*100)}
.is-holding .flacon__ring,.is-open .flacon__ring{opacity:.9}
.is-open .flacon__ring circle{stroke-dashoffset:0}

/* ---------- type ---------- */
.eyebrow{font:11px/1.2 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--bone-dim);margin-bottom:28px}
.display{font-family:var(--serif);font-weight:400;font-size:clamp(46px,9.4vw,152px);line-height:.94;letter-spacing:-.035em}
.display--m{font-size:clamp(40px,7.2vw,112px)}
.display em,.chap__title em{font-style:italic;color:var(--accent);transition:color 1s}

[data-split] .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.12em;margin-bottom:-.12em}
[data-split] .w>span{display:inline-block;transform:translateY(105%);transition:transform 1.15s var(--ease);transition-delay:calc(var(--i)*70ms)}
[data-split].in .w>span{transform:none}
.reveal{opacity:0;transform:translateY(18px);transition:opacity 1s var(--ease),transform 1.1s var(--ease);transition-delay:.15s}
.reveal.in{opacity:1;transform:none}
.motion-off [data-split] .w>span,.motion-off .reveal,.motion-off .split-letters .ch{transition:none}

/* ---------- sections ---------- */
section{position:relative;z-index:10}
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:0 var(--gut) calc(var(--gut)*2.4);pointer-events:none}
.hero .display{max-width:12ch;text-shadow:0 0 60px rgba(0,0,0,.35)}
.hero__sub{max-width:34ch;margin-top:36px;color:var(--bone-dim);font-size:15px}
.hero__scroll{position:absolute;right:var(--gut);bottom:calc(var(--gut)*2.4);display:flex;align-items:center;gap:14px;font:11px/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--bone-dim)}
.hero__scroll i{display:block;width:1px;height:56px;background:var(--line);position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;left:0;top:-100%;width:100%;height:100%;background:var(--bone);animation:drip 2.2s var(--ease) infinite}
.motion-off .hero__scroll i::after{animation:none;top:0}
@keyframes drip{to{top:100%}}

.chap{height:190vh;height:190svh}
.chap__in{position:sticky;top:0;height:100vh;height:100svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding:0 var(--gut) calc(var(--gut)*2.2);max-width:min(100%,620px);pointer-events:none}
.chap__in>*{pointer-events:auto}
.chap__num{font-family:var(--serif);font-size:clamp(64px,10vw,150px);line-height:.8;letter-spacing:-.05em;color:transparent;
  -webkit-text-stroke:1px var(--bone-dim);margin-bottom:18px}
.chap__title{font-family:var(--serif);font-weight:400;font-size:clamp(42px,6.6vw,104px);line-height:.95;letter-spacing:-.03em}
.chap__line{max-width:38ch;margin:22px 0 28px;color:var(--bone-dim)}
.notes{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line)}
.notes li{flex:1 1 33%;min-width:130px}
.note{display:flex;flex-direction:column;gap:6px;width:100%;padding:16px 16px 4px 0;font:10.5px/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--bone-dim);transition:color .4s}
.note span{font:italic 17px/1.2 var(--serif);letter-spacing:0;text-transform:none;color:var(--bone)}
.note:hover,.note:focus-visible{color:var(--accent)}
/* only the chapter in view is visible, so stacked sticky panels never overlap */
.chap__in{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform 1s var(--ease)}
.chap.is-active .chap__in{opacity:1;transform:none}
.is-open .chap.is-active .chap__in{opacity:.0;transform:translateY(-12px);pointer-events:none}
.is-open .chap.is-active .chap__in>*{pointer-events:none}

.finale{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:calc(var(--gut)*4) var(--gut) calc(var(--gut)*4)}
.finale__txt{max-width:40ch;margin:34px 0 40px;color:var(--bone-dim);font-size:16px}
.cta{display:inline-flex;align-items:center;gap:22px;align-self:flex-start;padding:20px 30px;border:1px solid var(--bone);border-radius:99px;
  font:11px/1 var(--sans);letter-spacing:.26em;text-transform:uppercase;overflow:hidden;position:relative;transition:color .5s var(--ease),transform .5s var(--ease)}
.cta::before{content:"";position:absolute;inset:0;background:var(--bone);transform:translateY(102%);transition:transform .6s var(--ease);z-index:-1}
.cta{z-index:0;isolation:isolate}
.cta:hover,.cta:focus-visible{color:var(--ink)}
.cta:hover::before,.cta:focus-visible::before{transform:none}
.fine{margin-top:60px;max-width:46ch;font-size:12px;color:var(--bone-dim)}

/* ---------- dry-down overlay ---------- */
.dry{position:fixed;z-index:30;left:var(--gut);right:var(--gut);bottom:calc(var(--gut)*2.2);max-width:560px;pointer-events:none;
  opacity:0;transform:translateY(18px);transition:opacity 1s var(--ease),transform 1.2s var(--ease)}
.is-open .dry{opacity:1;transform:none;transition-delay:.35s}
.dry__k{font:11px/1 var(--sans);letter-spacing:.26em;text-transform:uppercase;color:var(--bone-dim);margin-bottom:16px}
.dry__k span{color:var(--bone)}
.dry__t{font-family:var(--serif);font-style:italic;font-size:clamp(22px,3.1vw,38px);line-height:1.18;letter-spacing:-.01em}

.foot{position:relative;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:24px var(--gut) calc(24px + env(safe-area-inset-bottom));
  font:11px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--bone-dim);border-top:1px solid var(--line)}
.foot__motion b{color:var(--bone);font-weight:400}
.foot__motion:hover{color:var(--bone)}

@media (max-width:720px){
  .bar__mid{display:none}
  .chap__in{max-width:100%;padding-bottom:calc(var(--gut)*1.6);background:linear-gradient(to top,rgba(8,6,8,.62) 0%,rgba(8,6,8,.38) 55%,transparent 100%)}
  .notes li{flex:1 1 100%}
  .note{flex-direction:row;justify-content:space-between;align-items:baseline;padding:11px 0 11px;border-bottom:1px solid var(--line)}
  .notes{border-top:0}
  .hero__scroll{display:none}
  .flacon{top:42%}
  .dry{bottom:calc(var(--gut)*1.8)}
  .sound-prompt{bottom:calc(var(--gut) + env(safe-area-inset-bottom))}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;transition-delay:0s!important}
}