/* sigouin.net hub, lane A. Ink ground, paper type, one signal colour. */
:root{
  --ink:#0a0a0b;
  --ink-2:#121215;
  --ink-3:#1b1b20;
  --line:#2c2c33;
  --paper:#ece7dd;
  --dim:#8d887e;
  --signal:#ff5b23;
  --live:#c6f53c;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --pad:clamp(1.1rem,3.4vw,3.2rem);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--mono);
  font-size:15px;
  line-height:1.45;
  overflow-x:hidden;
}
img,video,model-viewer,iframe{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;text-align:left}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

/* ---------- grain and vignette, one shared skin ---------- */
.grain{
  position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.34;mix-blend-mode:overlay;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.55) .6px,transparent .7px);
  background-size:3px 3px;
}

/* ---------- overture: the kinetic name ---------- */
.overture{
  position:relative;
  min-height:100svh;
  display:grid;
  grid-template-rows:1fr auto;
  padding:var(--pad);
  overflow:hidden;
  border-bottom:1px solid var(--line);
  animation:curtain 1050ms cubic-bezier(.76,0,.16,1) 1500ms both;
}
.overture__bed{
  position:absolute;inset:0;z-index:0;
  object-fit:cover;width:100%;height:100%;
  filter:grayscale(.35) contrast(1.12) brightness(.44);
  transform:scale(1.08);
  animation:bed 2600ms cubic-bezier(.2,.7,.2,1) both;
}
.overture::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(190deg,rgba(10,10,11,.5) 0%,rgba(10,10,11,.2) 40%,rgba(10,10,11,.93) 100%);
}
.overture__top,.overture__foot{position:relative;z-index:2}
.overture__top{align-self:start;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--dim)}
.overture__foot{align-self:end;display:grid;gap:.9rem}
.wordmark{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(3.4rem,15.5vw,13.5rem);
  line-height:.84;
  letter-spacing:-.03em;
  margin:0;
  display:flex;flex-wrap:wrap;
  animation:settle 900ms cubic-bezier(.76,0,.16,1) 1550ms both;
}
.wordmark span{display:inline-block;overflow:hidden}
.wordmark b{
  display:inline-block;font-weight:inherit;
  transform:translateY(105%) rotate(5deg);
  animation:rise 900ms cubic-bezier(.16,1,.3,1) both;
  animation-delay:calc(var(--i) * 52ms + 180ms);
}
.wordmark .dot{color:var(--signal)}
.tagline{
  margin:0;max-width:62ch;
  font-size:clamp(.74rem,1.05vw,.9rem);
  letter-spacing:.12em;text-transform:uppercase;color:var(--dim);
  opacity:0;animation:fade 700ms ease 900ms both;
}
.tagline strong{color:var(--paper);font-weight:400}
@keyframes rise{to{transform:translateY(0) rotate(0)}}
@keyframes fade{to{opacity:1}}
@keyframes settle{from{font-size:clamp(3.4rem,15.5vw,13.5rem)}to{font-size:clamp(2.4rem,9vw,4.6rem)}}
@keyframes bed{from{transform:scale(1.22)}to{transform:scale(1.08)}}
@keyframes curtain{from{min-height:100svh}to{min-height:22svh}}

/* ---------- hub: uneven index rail plus stage ---------- */
.hub{
  display:grid;
  grid-template-columns:minmax(320px,38vw) 1fr;
  align-items:start;
  border-bottom:1px solid var(--line);
}
.rail{
  list-style:none;margin:0;padding:0;
  border-right:1px solid var(--line);
}
.rail li{border-bottom:1px solid var(--line)}
.row{
  display:grid;
  grid-template-columns:3.4rem 1fr auto;
  gap:.8rem 1rem;
  align-items:baseline;
  width:100%;
  padding:.85rem var(--pad) .85rem calc(var(--pad) * .7);
  transition:background 180ms ease,padding-left 260ms cubic-bezier(.2,.8,.2,1);
}
/* uneven rhythm: every third row breathes, every fifth sits tight under it */
.rail li:nth-child(3n+1) .row{padding-top:1.7rem;padding-bottom:1.7rem}
.rail li:nth-child(5n+2) .row{grid-template-columns:3.4rem 1fr auto;padding-bottom:.35rem}
.row__num{font-size:.7rem;color:var(--dim);letter-spacing:.14em}
.row__title{
  font-family:var(--serif);
  font-size:clamp(1.5rem,2.5vw,2.5rem);
  line-height:1;letter-spacing:-.015em;
  margin:0;
}
.rail li:nth-child(3n+1) .row__title{font-size:clamp(1.9rem,3.3vw,3.4rem)}
.rail li:nth-child(4n) .row__title{font-style:italic}
.row__meta{font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);white-space:nowrap}
.row__word{
  grid-column:2;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--signal);
  opacity:0;transform:translateY(-3px);transition:opacity 220ms ease,transform 220ms ease;
  height:0;overflow:hidden;
}
.row:hover,.row:focus-visible{background:var(--ink-2);padding-left:calc(var(--pad) * .7 + 10px)}
.row:hover .row__word,.row:focus-visible .row__word,[aria-current="true"] .row__word{opacity:1;transform:none;height:auto}
[aria-current="true"] .row{background:var(--ink-3)}
[aria-current="true"] .row__num{color:var(--signal)}
[aria-current="true"] .row__title{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.16em}

/* ---------- stage ---------- */
.stage{position:sticky;top:0;height:100svh;display:grid;grid-template-rows:auto minmax(0,1fr);background:var(--ink-2)}
.stage__media{position:relative;overflow:hidden;background:#000}
/* whole capture visible, never cropped. Black ground makes the letterbox read as intent. */
.stage__media > :not(.stage__tag){position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.stage__media model-viewer{object-fit:unset;background:radial-gradient(circle at 50% 40%,#232329,#0a0a0b 72%)}
.stage__media iframe{border:0}
.stage__pair{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr}
.stage__pair img{position:static;width:100%;height:100%;object-fit:contain}
.stage__pair img:first-child{border-right:1px solid var(--signal)}
.stage__tag{
  position:absolute;z-index:3;left:0;bottom:0;
  font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;
  background:var(--ink);color:var(--dim);padding:.42rem .8rem;border-top:1px solid var(--line);border-right:1px solid var(--line);
}
.stage__body{padding:calc(var(--pad) * .7) var(--pad);display:grid;gap:.6rem;border-bottom:1px solid var(--line);align-content:start}
.stage__kicker{display:flex;gap:1rem;flex-wrap:wrap;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--dim)}
.stage__kicker .n{color:var(--signal)}
.stage__title{font-family:var(--serif);font-size:clamp(2rem,4vw,3.6rem);line-height:.98;margin:0;letter-spacing:-.02em}
.stage__fact{margin:0;max-width:54ch;color:var(--paper);font-size:.8rem}
.chips{display:flex;flex-wrap:wrap;gap:.35rem;list-style:none;margin:0;padding:0}
.chips li{
  font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--paper);
  border:1px solid var(--line);padding:.24rem .5rem;background:var(--ink);
}
.chips li.is-model{border-color:var(--signal);color:var(--signal)}
.stage__out{display:flex;gap:1.2rem;flex-wrap:wrap;align-items:center;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase}
.stage__out a{color:var(--signal);text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:2px}
.stage__out span{color:var(--dim)}
.stage__live{color:var(--live)}
.stage__live.stale{color:var(--dim)}

/* ---------- footer ---------- */
.foot{
  display:grid;grid-template-columns:1fr auto;gap:1rem var(--pad);
  padding:1.1rem var(--pad);align-items:center;
  font-size:.66rem;letter-spacing:.17em;text-transform:uppercase;color:var(--dim);
}
.foot dl{display:flex;flex-wrap:wrap;gap:.35rem 1.6rem;margin:0}
.foot div{display:flex;gap:.5rem;align-items:baseline}
.foot dd{margin:0;color:var(--live)}
.foot dd.stale{color:var(--dim)}
.foot a{color:var(--paper);text-decoration:none;border-bottom:1px solid var(--line)}
.sample-note{color:var(--signal)}

/* ---------- process page ---------- */
.proc-intro{min-height:62svh;display:grid;align-content:end;gap:1rem;padding:var(--pad);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.proc-intro video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.4) brightness(.4)}
.proc-intro::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,11,.55),rgba(10,10,11,.94))}
.proc-intro > *{position:relative;z-index:2}
.proc-intro h1{font-family:var(--serif);font-size:clamp(2.6rem,9vw,7.5rem);line-height:.86;margin:0;letter-spacing:-.03em}
.scene{border-bottom:1px solid var(--line)}
.scene__grid{display:grid;grid-template-columns:1fr minmax(300px,30vw);min-height:100svh}
.scene:nth-child(even) .scene__grid{grid-template-columns:minmax(300px,30vw) 1fr}
.scene:nth-child(even) .scene__frame{order:2}
.scene__frame{position:relative;overflow:hidden;background:#000;min-height:44svh}
.scene__frame img,.scene__frame video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scene__frame.contain img{object-fit:contain;background:var(--ink-2)}
.scene__note{position:sticky;top:0;align-self:start;display:grid;gap:.9rem;align-content:start;
  min-height:100svh;padding:calc(var(--pad) * 1.1) var(--pad);border-left:1px solid var(--line)}
.scene:nth-child(even) .scene__note{border-left:0;border-right:1px solid var(--line)}
.scene__id{font-size:.66rem;letter-spacing:.24em;color:var(--signal)}
.scene h2{font-family:var(--serif);font-size:clamp(1.8rem,3.4vw,3.2rem);line-height:1;margin:0;letter-spacing:-.02em}
.scene p{margin:0;font-size:.82rem;color:var(--paper);max-width:46ch}
.scene pre{margin:0;font-size:.62rem;line-height:1.5;color:var(--dim);white-space:pre-wrap;
  border-left:1px solid var(--line);padding-left:.7rem}
.ledger{padding:var(--pad);display:grid;gap:1.2rem;border-bottom:1px solid var(--line)}
.ledger h2{font-family:var(--serif);font-size:clamp(1.8rem,4vw,3.4rem);margin:0;letter-spacing:-.02em}
.ledger__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.ledger__cell{background:var(--ink);padding:.9rem 1rem;display:grid;gap:.3rem;align-content:start}
.ledger__cell b{font-family:var(--serif);font-weight:400;font-size:1.3rem;letter-spacing:-.01em}
.ledger__cell span{font-size:.64rem;letter-spacing:.13em;text-transform:uppercase;color:var(--dim)}
.ledger__cell.is-model b{color:var(--signal)}
.backlink{padding:1rem var(--pad);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase}
.backlink a{color:var(--signal);text-decoration:none;border-bottom:1px solid currentColor}

/* ---------- phone ---------- */
@media (max-width:900px){
  .hub{grid-template-columns:1fr}
  .rail{border-right:0}
  .stage{position:static;min-height:0;border-top:1px solid var(--line)}
  .stage__media{min-height:58svh}
  .overture{animation-name:curtain-s}
  .stage{height:auto}
  .stage__media{min-height:58svh}
  .foot{grid-template-columns:1fr}
  .scene__grid,.scene:nth-child(even) .scene__grid{grid-template-columns:1fr}
  .scene:nth-child(even) .scene__frame{order:0}
  .scene__frame{min-height:52svh}
  .scene__note{position:static;min-height:0;border-left:0;border-top:1px solid var(--line)}
  .scene:nth-child(even) .scene__note{border-right:0;border-top:1px solid var(--line)}
  .row{grid-template-columns:2.6rem 1fr;padding-left:calc(var(--pad) * .6)}
  .row__meta{grid-column:2;white-space:normal}
}
@keyframes curtain-s{from{min-height:100svh}to{min-height:50svh}}

@media (prefers-reduced-motion:reduce){
  .overture{animation:none;min-height:26svh}
  .overture__bed{animation:none;transform:none;filter:grayscale(.35) contrast(1.12) brightness(.5)}
  .wordmark{animation:none;font-size:clamp(2.4rem,9vw,4.6rem)}
  .wordmark b{animation:none;transform:none}
  .tagline{animation:none;opacity:1}
  .row,.row__word{transition:none}
  .row__word{opacity:1;height:auto;transform:none}
  *{scroll-behavior:auto !important}
}