/* ============================================================
   CHANCELLOR WARHOL
   Layout: fixed nav / left media rail / right metadata column
   Tokens first — change these to reskin the whole site.
   ============================================================ */
:root{
  --paper:#fbfcfb;        /* page — sampled from the reference */
  --ink:#0d0d0d;          /* type */
  --dim:#6f6f6c;          /* secondary type */
  --line:rgba(13,13,13,.14);

  --rail:40.54vw;         /* width of the media column */
  --gut:12px;             /* page edge margin */
  --nav-h:38px;
  --ui:13.5px;            /* nav + caption size */

  --sans:'Archivo','Helvetica Neue',Helvetica,Arial,sans-serif;
}

/* Flip the whole site to the chrome/black palette by putting
   data-theme="dark" on <html>. Everything below inherits it. */
:root[data-theme="dark"]{
  --paper:#0a0a0b;
  --ink:#eceef1;
  --dim:#83878e;
  --line:rgba(236,238,241,.15);
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:var(--ui);line-height:1.35;
  font-weight:400;letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,video{display:block;width:100%;height:auto}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding-inline:var(--gut);
  background:#fff;
}
.nav__mark{font-weight:700;font-size:15px;letter-spacing:-.02em;white-space:nowrap}
.nav__links{display:flex;align-items:center;gap:clamp(10px,1.5vw,20px)}
.nav__links a{
  font-size:var(--ui);color:var(--ink);
  padding:3px 2px;border-radius:999px;transition:opacity .2s;
}
.nav__links a:hover{opacity:.55}
.nav__links a[aria-current]{background:var(--ink);color:var(--paper);padding:3px 11px}
.nav__toggle{
  display:none;background:none;border:none;color:var(--ink);
  font:inherit;cursor:pointer;padding:3px 2px;
}

/* ---------- media rail (auto-scrolling, left) ----------
   Fixed column that loops upward forever. Hover pauses it. */
.rail{
  position:fixed;
  top:var(--nav-h);left:var(--gut);bottom:0;
  width:var(--rail);
  overflow:hidden;
  z-index:1;
}
.rail__track{
  display:grid;gap:2px;
  will-change:transform;
  animation:roll var(--dur,300s) linear infinite;
}
@keyframes roll{
  from{transform:translate3d(0,0,0)}
  to  {transform:translate3d(0,-50%,0)}
}
.rail:hover .rail__track{animation-play-state:paused}
.frame{margin:0;position:relative;overflow:hidden;background:rgba(13,13,13,.05)}
.frame img,.frame video{width:100%;height:auto;display:block}
.frame figcaption{display:none}

/* fade the rail out at the very bottom so frames don't hard-cut */
.rail::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:56px;
  background:linear-gradient(transparent,var(--paper));pointer-events:none;z-index:2;
}

/* ---------- live caption ---------- */
.cue{
  position:fixed;z-index:3;
  top:50%;transform:translateY(-50%);
  left:calc(var(--gut)*2 + var(--rail));
  right:var(--gut);
  display:flex;align-items:baseline;justify-content:space-between;
  gap:clamp(16px,4vw,60px);
  pointer-events:none;
}
.cue__title{white-space:nowrap}
.cue__services{text-align:right}
.cue.is-swapping .cue__title,
.cue.is-swapping .cue__services{opacity:0}
.cue__title,.cue__services{transition:opacity .32s ease}

/* ---------- pinned statement (bottom right) ---------- */
.statement{
  position:fixed;z-index:40;
  bottom:14px;right:var(--gut);
  width:calc(100vw - var(--rail) - var(--gut)*3);
  max-width:860px;
  line-height:1.34;
}
.statement p{
  background:var(--paper);
  box-shadow:0 0 0 6px var(--paper);
}
.statement b{font-weight:700}

/* ---------- info page ---------- */
.doc{
  padding-top:calc(var(--nav-h) + clamp(40px,7vw,90px));
  padding-inline:var(--gut);
  max-width:1600px;
}
.doc__lede{
  font-size:clamp(20px,3.4vw,42px);line-height:1.12;letter-spacing:-.03em;
  max-width:20ch;font-weight:400;margin-bottom:clamp(40px,7vw,96px);
}
.doc__row{
  display:grid;grid-template-columns:var(--rail) minmax(0,1fr);
  column-gap:var(--gut);
  border-top:1px solid var(--line);
  padding-block:clamp(18px,2.4vw,30px);
}
.doc__row h2{font-size:var(--ui);font-weight:400;color:var(--dim)}
.doc__body{max-width:52ch}
.doc__body p + p{margin-top:1em}
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:760px}
.cols ul{list-style:none}
.cols li{color:var(--dim)}
.cols li:first-child{color:var(--ink);margin-bottom:.5em}
.doc__foot{
  padding-block:clamp(40px,7vw,90px);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid var(--line);color:var(--dim);
}
.doc__foot a{color:var(--ink)}

/* ---------- responsive ---------- */
@media(max-width:900px){
  :root{--rail:52vw}
}
@media(max-width:680px){
  .nav__toggle{display:block}
  .nav__links{
    position:fixed;inset:var(--nav-h) 0 auto 0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .38s cubic-bezier(.2,.7,.3,1);
  }
  .nav__links.open{max-height:70vh}
  .nav__links a{width:100%;padding:13px var(--gut);border-radius:0}
  .nav__links a[aria-current]{background:none;color:var(--ink);font-weight:700;padding:13px var(--gut)}

  /* rail stops floating: images simply stack and the page scrolls */
  .rail{position:static;width:auto;bottom:auto;padding-top:var(--nav-h)}
  .rail::after{display:none}
  .rail__track{animation:none!important;transform:none!important;gap:26px}
  .frame figcaption{
    display:flex;flex-direction:column;gap:2px;padding-top:8px;
  }
  .frame figcaption b{font-weight:400}
  .frame figcaption span{color:var(--dim)}
  .cue{display:none}

  /* statement stops floating and just ends the page */
  .statement{
    position:static;width:auto;max-width:none;
    padding:26px var(--gut) 40px;border-top:1px solid var(--line);margin-top:10px;
  }
  .statement p{box-shadow:none;background:none}

  .doc__row{grid-template-columns:1fr;gap:10px}
  .cols{grid-template-columns:1fr;gap:20px}
}

/* ---------- a11y ---------- */
:focus-visible{outline:1.5px solid var(--ink);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
