/* ════════════════════════════════════════════════════════════════
   MEHDI SHARIFI — THE JOURNEY
   Editorial system over a single WebGL world.
   One accent variable (--acc) follows the chapter hue.
═══════════════════════════════════════════════════════════════════ */
:root{
  --bg:#02040a;
  --ink:#f7f9ff;
  --ink2:#d1d8ea;
  --ink3:#8f9ab4;
  --acc:#8b7cff;                /* driven per-chapter by JS */
  --line:rgba(210,220,255,.16);
  --fh:'Space Grotesk',sans-serif;
  --fb:'Inter',sans-serif;
  --fm:'JetBrains Mono',monospace;
  --fd:'Instrument Serif',Georgia,serif;
  --ease:cubic-bezier(.65,0,.35,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{background:var(--bg);color:var(--ink);font-family:var(--fb);line-height:1.6;
  overflow-x:hidden;overscroll-behavior-y:none;-webkit-font-smoothing:antialiased}
::selection{background:var(--acc);color:#06060a}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--acc);border-radius:2px}
a{color:inherit;text-decoration:none}
em{font-family:var(--fd);font-style:italic;font-weight:400;color:var(--acc);
  transition:color .8s;letter-spacing:.01em}

.nojs{position:relative;z-index:90;background:#15162e;color:var(--ink);text-align:center;
  padding:.8rem 1rem;font-size:.85rem}
.nojs a{color:var(--acc);text-decoration:underline}

#gl{position:fixed;inset:0;z-index:0;
  background:
    radial-gradient(60% 50% at 50% 42%,#0b1022 0%,#030712 58%,#02040a 100%)}
#journey::before{content:'';position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(2,5,14,.82) 0%,rgba(2,5,14,.58) 38%,rgba(2,5,14,.22) 62%,rgba(2,5,14,.72) 100%),
    radial-gradient(72% 58% at 50% 48%,rgba(12,22,44,.16),rgba(2,5,14,.72) 80%);
  transition:background .8s var(--ease)}

/* ───────── fixed chrome ───────── */
.chrome{position:fixed;z-index:40;pointer-events:none}
.chrome a,.chrome button{pointer-events:auto}
.chrome.top{top:0;left:0;right:0;display:flex;align-items:flex-start;justify-content:space-between;
  padding:1.7rem 2.2rem}
.wordmark{display:flex;flex-direction:column;line-height:1.25}
.wm-name{font-family:var(--fh);font-weight:700;font-size:.95rem;letter-spacing:.02em}
.wm-role{font-family:var(--fm);font-size:.58rem;letter-spacing:.3em;text-transform:uppercase;color:var(--ink3)}
.index-btn{display:flex;align-items:center;gap:.6rem;background:none;border:1px solid var(--line);
  color:var(--ink2);font-family:var(--fm);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;
  padding:.6rem 1.1rem;border-radius:100px;cursor:pointer;transition:all .3s;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.index-btn i{width:14px;height:1px;background:var(--ink2);display:block;transition:all .3s}
.index-btn i+i{width:9px;margin-left:-14px;margin-top:5px}
.index-btn:hover{color:var(--ink);border-color:var(--acc)}
.index-btn:hover i{background:var(--acc);width:14px}

.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:46;pointer-events:none}
.progress i{display:block;height:100%;background:var(--acc);transform-origin:0 50%;
  transform:scaleX(0);box-shadow:0 0 14px var(--acc);transition:background .8s}

.chrome.rail{right:2.1rem;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:.85rem}
.rail-dot{width:5px;height:5px;border-radius:50%;background:var(--ink3);opacity:.5;
  transition:all .45s var(--ease);cursor:pointer;pointer-events:auto}
.rail-dot.on{background:var(--acc);opacity:1;transform:scale(1.7);box-shadow:0 0 12px var(--acc)}

.chrome.bottom{bottom:0;left:0;right:0;display:flex;align-items:flex-end;justify-content:space-between;
  padding:1.8rem 2.2rem}
.meta{font-family:var(--fm);font-size:.68rem;letter-spacing:.14em;color:var(--ink3);
  display:flex;align-items:baseline;gap:.45rem}
.meta .m-no{font-family:var(--fh);font-weight:700;font-size:1.5rem;color:var(--ink);letter-spacing:0}
.meta .m-name{margin-left:.6rem;color:var(--acc);text-transform:uppercase;transition:color .8s}
.hint{display:flex;flex-direction:column;align-items:center;gap:.55rem;
  font-family:var(--fm);font-size:.58rem;letter-spacing:.3em;text-transform:uppercase;color:var(--ink3)}
.hint-line{width:1px;height:42px;background:var(--line);position:relative;overflow:hidden}
.hint-dot{position:absolute;left:0;top:-8px;width:1px;height:8px;background:var(--acc);
  animation:hintFall 1.8s var(--ease) infinite}
@keyframes hintFall{to{top:46px}}

/* ───────── index overlay ───────── */
.menu{position:fixed;inset:0;z-index:80;background:rgba(2,5,14,.92);
  -webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2.6rem;
  opacity:0;visibility:hidden;transition:.45s var(--ease)}
.menu.open{opacity:1;visibility:visible}
.menu-x{position:absolute;top:1.7rem;right:2.2rem;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:none;color:var(--ink2);cursor:pointer;font-size:.9rem;transition:.3s}
.menu-x:hover{color:var(--ink);border-color:var(--acc);transform:rotate(90deg)}
.menu-list{display:flex;flex-direction:column;align-items:center;gap:.35rem}
.menu-list a{display:flex;align-items:baseline;gap:1.1rem;font-family:var(--fh);font-weight:700;
  font-size:clamp(1.5rem,4.2vw,2.6rem);letter-spacing:-.02em;color:var(--ink3);
  transition:color .25s,transform .25s;transform:translateY(0)}
.menu-list a i{font-family:var(--fm);font-style:normal;font-weight:400;font-size:.62rem;
  letter-spacing:.2em;color:var(--ink3)}
.menu-list a:hover{color:var(--ink);transform:translateX(8px)}
.menu-list a:hover em{color:var(--acc)}
.menu-foot{display:flex;gap:2rem;font-family:var(--fm);font-size:.64rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink3)}
.menu-foot a:hover{color:var(--acc)}

/* ───────── chapters ───────── */
.chapter{height:152vh;position:relative}
#ch0{height:148vh}
#ch7{height:138vh}
.ch-inner{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;
  padding:0 clamp(1.4rem,6vw,7rem);z-index:2}
.ch-inner.center{justify-content:center;text-align:center}
.ch-inner.left{justify-content:flex-start}
.ch-inner.right{justify-content:flex-end;text-align:right}
.ch-content{max-width:560px;will-change:opacity;position:relative;--py:0;z-index:2;isolation:isolate}
.ch-content::before{content:'';position:absolute;inset:-3.2rem -3.8rem;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse at 42% 48%,rgba(3,8,20,.9) 0%,rgba(3,8,20,.72) 38%,rgba(3,8,20,.42) 64%,transparent 82%),
    linear-gradient(90deg,rgba(3,8,20,.72),rgba(3,8,20,.3) 72%,transparent);
  -webkit-mask-image:radial-gradient(ellipse at 44% 50%,#000 0%,#000 48%,rgba(0,0,0,.65) 68%,transparent 92%);
  mask-image:radial-gradient(ellipse at 44% 50%,#000 0%,#000 48%,rgba(0,0,0,.65) 68%,transparent 92%);
  filter:blur(.5px);opacity:.9}
.ch-inner.right .ch-content::before{background:
  radial-gradient(ellipse at 60% 48%,rgba(3,8,20,.92) 0%,rgba(3,8,20,.74) 40%,rgba(3,8,20,.42) 65%,transparent 82%),
  linear-gradient(270deg,rgba(3,8,20,.76),rgba(3,8,20,.32) 72%,transparent);
  -webkit-mask-image:radial-gradient(ellipse at 58% 50%,#000 0%,#000 48%,rgba(0,0,0,.65) 68%,transparent 92%);
  mask-image:radial-gradient(ellipse at 58% 50%,#000 0%,#000 48%,rgba(0,0,0,.65) 68%,transparent 92%)}
.ch-inner.center .ch-content::before{inset:-3rem -4.5rem;background:
  radial-gradient(ellipse at 50% 50%,rgba(3,8,20,.86) 0%,rgba(3,8,20,.65) 42%,rgba(3,8,20,.35) 66%,transparent 84%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 50%,#000 0%,#000 50%,rgba(0,0,0,.62) 70%,transparent 94%);
  mask-image:radial-gradient(ellipse at 50% 50%,#000 0%,#000 50%,rgba(0,0,0,.62) 70%,transparent 94%)}
.ch-content.wide{max-width:760px}

.ch-no{position:absolute;z-index:-1;top:-9rem;font-family:var(--fh);font-weight:700;
  font-size:clamp(10rem,24vw,21rem);line-height:1;letter-spacing:-.06em;color:transparent;
  -webkit-text-stroke:1px rgba(180,202,255,.09);user-select:none;pointer-events:none}
.ch-inner.left .ch-no{left:-1.5rem}
.ch-inner.right .ch-no{right:-1.5rem}
.ch-inner.center .ch-no{left:50%;transform:translateX(-50%)}

.eyebrow{font-family:var(--fm);font-size:.62rem;letter-spacing:.34em;text-transform:uppercase;
  color:var(--acc);margin-bottom:1.3rem;transition:color .8s}
.ch-inner.right .eyebrow::after,.ch-inner.left .eyebrow::before{content:'';display:inline-block;
  width:34px;height:1px;background:var(--acc);vertical-align:middle;transition:background .8s}
.ch-inner.left .eyebrow::before{margin-right:.8rem}
.ch-inner.right .eyebrow::after{margin-left:.8rem}

h2{font-family:var(--fh);font-weight:700;font-size:clamp(1.9rem,4.6vw,3.4rem);line-height:1.08;
  letter-spacing:-.03em;margin-bottom:1.5rem}
h2.huge{font-size:clamp(3.4rem,10vw,8rem);line-height:.95;margin-bottom:2rem}
h2 em{font-size:1.05em}
.body{color:#d7deef;font-size:1.02rem;line-height:1.85;margin-bottom:1rem;max-width:62ch}
.body.dim{color:#aeb7cd;font-size:.88rem}

/* hero */
.hero-c .eyebrow{margin-bottom:2rem}
.hero-name{font-family:var(--fh);font-weight:700;font-size:clamp(3rem,10.5vw,9.5rem);line-height:.92;
  letter-spacing:-.045em;margin-bottom:1.4rem}
.hero-name .w{display:block;white-space:nowrap}
.hero-name .ch{display:inline-block;will-change:transform}
.hero-tag{font-family:var(--fd);font-style:italic;font-size:clamp(1.25rem,2.8vw,2rem);
  color:var(--ink2);margin-bottom:3rem}
.hero-tag em{color:var(--acc)}
.hero-row{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;margin-bottom:1.25rem}
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.95rem 2rem;border-radius:100px;
  font-family:var(--fm);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;transition:all .35s var(--ease)}
.btn.solid{background:var(--ink);color:#08080c;font-weight:700}
.btn.solid:hover{background:var(--acc);transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.5)}
.btn.ghost{border:1px solid rgba(210,220,255,.28);background:rgba(18,29,54,.62);
  color:#eef0fb;box-shadow:0 14px 34px rgba(0,0,0,.26),inset 0 0 0 1px rgba(255,255,255,.035);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.btn.ghost::after{content:'PDF';margin-left:.05rem;padding-left:.55rem;border-left:1px solid rgba(210,220,255,.18);
  color:var(--acc);font-size:.5rem;letter-spacing:.14em;transition:color .8s}
.btn.ghost:hover{border-color:var(--acc);color:var(--ink);background:rgba(22,35,65,.78);
  transform:translateY(-3px);box-shadow:0 16px 42px rgba(0,0,0,.45),0 0 24px rgba(139,124,255,.2)}
.hero-links{display:inline-flex;align-items:center;gap:.35rem;justify-content:center;
  margin-top:.15rem;padding:.32rem;border:1px solid rgba(210,220,255,.18);border-radius:100px;
  background:rgba(13,23,45,.62);box-shadow:0 18px 48px rgba(0,0,0,.28),inset 0 0 0 1px rgba(255,255,255,.03);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  font-family:var(--fm);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:#cfd1dd}
.hero-links a{display:inline-flex;align-items:center;justify-content:center;min-height:32px;
  padding:0 .95rem;border-radius:100px;color:#cfd1dd;transition:color .3s,background .3s,box-shadow .3s}
.hero-links a:hover{color:var(--ink);background:rgba(33,49,88,.72);box-shadow:inset 0 0 0 1px rgba(210,220,255,.13)}

/* tags */
.tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.6rem}
.ch-inner.right .tags{justify-content:flex-end}
.tags span{font-family:var(--fm);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink2);border:1px solid var(--line);border-radius:100px;padding:.45rem .95rem;
  transition:border-color .8s}

/* the loop */
.loop{list-style:none;margin:2.2rem 0 1.6rem;display:flex;flex-direction:column;gap:.45rem}
.loop li{font-family:var(--fh);font-weight:700;font-size:clamp(1.45rem,3.4vw,2.3rem);letter-spacing:-.02em;
  display:flex;align-items:baseline;gap:1.1rem;justify-content:flex-end;color:var(--ink2);transition:color .3s}
.loop li:hover{color:var(--ink)}
.loop li i{font-family:var(--fm);font-style:normal;font-weight:400;font-size:.6rem;letter-spacing:.2em;color:var(--ink3)}
.loop li em{font-size:1.04em}

/* roles */
.roles{list-style:none;margin-top:1.8rem;border-top:1px solid var(--line)}
.roles li{display:grid;grid-template-columns:106px 210px minmax(0,1fr);gap:1.05rem;align-items:baseline;
  padding:.68rem 0;border-bottom:1px solid var(--line);transition:padding .3s}
.roles li:hover{padding-left:.6rem}
.r-when{font-family:var(--fm);font-size:.6rem;letter-spacing:.08em;color:var(--acc);transition:color .8s}
.r-org{font-family:var(--fh);font-weight:700;font-size:.92rem;line-height:1.35}
.roles li{position:relative;isolation:isolate}
.roles li::before{content:'';position:absolute;inset:.3rem -.95rem;z-index:-1;border-radius:8px;
  background:linear-gradient(90deg,rgba(2,6,16,.94),rgba(3,8,20,.86) 70%,rgba(3,8,20,.6));
  box-shadow:0 16px 38px rgba(0,0,0,.2);opacity:.9;pointer-events:none}
.r-role{color:#c8d0e1;font-size:.77rem;line-height:1.42}

/* arsenal */
.arsenal{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem 2.6rem;margin-top:2rem;text-align:left}
.dom h3{font-family:var(--fm);font-size:.64rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--acc);margin-bottom:.55rem;transition:color .8s}
.dom{position:relative;isolation:isolate}
.dom::before{content:'';position:absolute;inset:-.75rem -1rem;z-index:-1;border-radius:8px;
  background:radial-gradient(ellipse at 38% 44%,rgba(2,6,16,.94),rgba(3,8,20,.78) 62%,rgba(3,8,20,.38) 100%);
  box-shadow:0 16px 42px rgba(0,0,0,.22);opacity:.9;pointer-events:none}
.dom p{color:#d1d8e8;font-size:.83rem;line-height:1.7}

/* works */
.works{list-style:none;margin-top:1.6rem;border-top:1px solid var(--line)}
.works li{display:grid;grid-template-columns:36px 245px 1fr;gap:.95rem;align-items:baseline;
  padding:.62rem 0;border-bottom:1px solid var(--line);transition:padding .3s}
.works li:hover{padding-left:.6rem}
.works li{position:relative;isolation:isolate}
.works li::before{content:'';position:absolute;inset:.3rem -.95rem;z-index:-1;border-radius:8px;
  background:linear-gradient(90deg,rgba(2,6,16,.94),rgba(3,8,20,.86) 70%,rgba(3,8,20,.6));
  box-shadow:0 16px 38px rgba(0,0,0,.2);opacity:.9;pointer-events:none}
.works li i{font-family:var(--fm);font-style:normal;font-size:.58rem;color:var(--acc);transition:color .8s}
.works li b{font-family:var(--fh);font-weight:700;font-size:.9rem;line-height:1.35;letter-spacing:-.01em}
.works li span{color:#bac4d9;font-size:.76rem;line-height:1.45}
.quiet-link{display:inline-block;margin-top:1.5rem;font-family:var(--fm);font-size:.64rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--ink3);transition:color .3s}
.quiet-link:hover{color:var(--acc)}

/* proof */
.proof{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem 2.4rem;margin-top:2.1rem;text-align:left}
.pr{border-left:1px solid var(--line);padding-left:1.2rem;transition:border-color .4s;
  position:relative;isolation:isolate}
.pr::before{content:'';position:absolute;inset:-.7rem -1rem -.7rem -.6rem;z-index:-1;border-radius:8px;
  background:linear-gradient(90deg,rgba(2,6,16,.94),rgba(3,8,20,.84) 70%,rgba(3,8,20,.5));
  box-shadow:0 16px 38px rgba(0,0,0,.18);opacity:.88;pointer-events:none}
.pr:hover{border-color:var(--acc)}
.pr b{display:block;font-family:var(--fh);font-weight:700;font-size:1.02rem;margin-bottom:.3rem}
.pr span{color:#bac4d9;font-size:.84rem;line-height:1.6}

/* contact */
.mail{display:inline-block;font-family:var(--fd);font-style:italic;font-size:clamp(1.2rem,3vw,1.9rem);
  color:var(--ink2);margin-bottom:2.6rem;border-bottom:1px solid var(--line);padding-bottom:.35rem;transition:all .35s}
.mail:hover{color:var(--acc);border-color:var(--acc)}
.fine{margin-top:3.2rem;font-family:var(--fm);font-size:.6rem;letter-spacing:.14em;color:var(--ink3)}

/* ───────── intro ───────── */
#intro{position:fixed;inset:0;z-index:100;background:var(--bg);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:1.6rem;transition:opacity .9s var(--ease),visibility .9s}
#intro.done{opacity:0;visibility:hidden}
.in-mark{font-family:var(--fh);font-weight:700;font-size:1.2rem;letter-spacing:.1em;
  width:54px;height:54px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center}
.in-bar{width:min(260px,60vw);height:1px;background:var(--line);overflow:hidden}
.in-bar i{display:block;height:100%;width:0;background:var(--acc);transition:width .25s}
.in-label{font-family:var(--fm);font-size:.58rem;letter-spacing:.34em;text-transform:uppercase;color:var(--ink3)}

/* ───────── responsive ───────── */
@media(max-width:880px){
  .chrome.top{padding:1.2rem 1.2rem}
  .chrome.bottom{padding:1.2rem 1.2rem}
  .chrome.rail{right:.9rem;gap:.7rem}
  .ch-inner,.ch-inner.right{position:relative;top:auto;height:auto;min-height:100svh;
    align-items:flex-start;justify-content:flex-start;text-align:left;
    padding:7.25rem clamp(1.25rem,6vw,3rem) 6.75rem}
  .ch-inner.center{align-items:center;text-align:center}
  .ch-content,.ch-content.wide{max-width:min(100%,680px)}
  .ch-inner.right .eyebrow::after{display:none}
  .ch-inner.right .eyebrow::before{content:'';display:inline-block;width:26px;height:1px;
    background:var(--acc);vertical-align:middle;margin-right:.8rem}
  .ch-inner.right .tags{justify-content:flex-start}
  .loop li{justify-content:flex-start}
  .ch-no{top:-6.5rem;font-size:clamp(7rem,30vw,10rem)}
  .roles li{grid-template-columns:1fr;grid-template-rows:auto auto auto;gap:.35rem}
  .roles li .r-role{grid-column:auto}
  .works li{grid-template-columns:34px 1fr;grid-template-rows:auto auto;gap:.5rem .9rem}
  .works li span{grid-column:2}
  .arsenal,.proof{grid-template-columns:1fr}
  .meta .m-name{display:none}
  .hint{display:none}
  #journey::before{background:
    linear-gradient(90deg,rgba(2,5,14,.88),rgba(2,5,14,.7) 58%,rgba(2,5,14,.54)),
    radial-gradient(90% 70% at 50% 42%,rgba(12,22,44,.2),rgba(2,5,14,.82) 82%)}
}
@media(max-width:560px){
  .chrome.rail,.chrome.bottom{display:none}
  .chrome.top{align-items:flex-start;padding:1.1rem 1rem}
  .wm-name{font-size:.88rem}
  .wm-role{font-size:.5rem;letter-spacing:.24em}
  .index-btn{padding:.52rem .82rem;font-size:.58rem;letter-spacing:.18em}
  .chapter,#ch0,#ch7{height:auto;min-height:0}
  .ch-inner,.ch-inner.right{padding:6.25rem 1.45rem 4.1rem;min-height:auto}
  .ch-inner.center{min-height:100svh}
  .eyebrow{font-size:.54rem;letter-spacing:.22em;line-height:1.7;margin-bottom:1rem}
  h2{font-size:clamp(2rem,12vw,2.75rem);line-height:1.03;margin-bottom:1.2rem}
  h2.huge{font-size:clamp(3.4rem,18vw,5.4rem)}
  .hero-name{font-size:clamp(3.2rem,20vw,5.6rem);line-height:.9;margin-bottom:1.2rem}
  .hero-tag{font-size:1.35rem;margin-bottom:2rem}
  .hero-row{flex-direction:column;align-items:stretch}
  .btn{justify-content:center}
  .hero-links{display:grid;grid-template-columns:repeat(3,1fr);width:100%;gap:.32rem;
    font-size:.55rem;letter-spacing:.14em}
  .hero-links a{min-height:38px;padding:0 .4rem}
  .roles li,.works li{padding:.8rem 0}
  .roles li:hover,.works li:hover{padding-left:0}
  .roles li{grid-template-columns:1fr;gap:.35rem}
  .roles li .r-role{grid-column:auto}
  .r-when{font-size:.62rem;line-height:1.6}
  .r-org,.works li b{font-size:.98rem;line-height:1.45}
  .r-role,.works li span,.dom p,.pr span{font-size:.88rem;line-height:1.72}
  .proof{gap:1rem;margin-top:1.5rem}
  .ask-note{line-height:1.6}
}

/* reduced motion: everything readable, nothing required to move */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.01ms!important}
  .hint-dot{animation:none!important}
}

/* legibility: lift text off the entity's glow */
.ch-content{text-shadow:0 2px 24px rgba(5,5,7,.96),0 0 12px rgba(5,5,7,.9),0 0 2px rgba(0,0,0,1)}
.body,.r-role,.works li span,.dom p,.pr span,.loop+.body{ text-shadow:0 2px 18px rgba(0,0,0,.98),0 0 8px rgba(0,0,0,.9)}
.btn.solid{text-shadow:none}

/* ───────── scroll depth: layered parallax ─────────
   JS writes one unitless --py per visible chapter; each layer drifts
   at its own depth — ghost numeral deepest, fine print shallowest. */
.ch-content>*{transform:translateY(calc(var(--py,0)*var(--d,1)*1px))}
.ch-content>.ch-no{--d:2.1}
.ch-content>.eyebrow{--d:1.5}
.ch-content>h1,.ch-content>h2{--d:1.12}
.ch-content>.body{--d:.8}
.ch-content>.loop,.ch-content>.roles,.ch-content>.works,
.ch-content>.arsenal,.ch-content>.proof{--d:.66}
.ch-content>.tags,.ch-content>.hero-row,.ch-content>.hero-links,
.ch-content>.mail,.ch-content>.fine,.ch-content>.quiet-link{--d:.5}

/* ════════════════════════════════════════════════════════════════
   ASK — AI agent overlay. Same editorial system, the particle world
   reacting behind a glass takeover. Accent follows the chapter hue.
═══════════════════════════════════════════════════════════════════ */

/* trigger — sits in the top chrome beside Index */
.top-actions{display:flex;align-items:center;gap:.7rem;pointer-events:auto}
.ask-btn{display:flex;align-items:center;gap:.55rem;background:none;border:1px solid var(--line);
  color:var(--ink2);font-family:var(--fm);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;
  padding:.6rem 1.1rem;border-radius:100px;cursor:pointer;transition:all .3s;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.ask-btn:hover{color:var(--ink);border-color:var(--acc)}
.ask-dot{width:6px;height:6px;border-radius:50%;background:var(--acc);box-shadow:0 0 8px var(--acc);
  transition:background .8s,box-shadow .8s;animation:askDot 2.6s var(--ease) infinite}
@keyframes askDot{0%,100%{opacity:1}50%{opacity:.35}}

/* overlay shell */
.ask{position:fixed;inset:0;z-index:85;display:flex;flex-direction:column;align-items:center;
  padding:clamp(1.1rem,4vh,2.4rem) 1.2rem;
  background:rgba(5,5,9,.84);-webkit-backdrop-filter:blur(26px);backdrop-filter:blur(26px);
  opacity:0;visibility:hidden;transition:opacity .5s var(--ease),visibility .5s var(--ease)}
.ask.open{opacity:1;visibility:visible}
.ask::before{content:'';position:absolute;inset:0;pointer-events:none;z-index:-1;
  background:radial-gradient(72% 56% at 50% 30%,var(--acc),transparent 68%);
  opacity:.12;transition:opacity .8s var(--ease)}
.ask[data-state="thinking"]::before{opacity:.22;animation:askGlow 2.6s var(--ease) infinite}
@keyframes askGlow{50%{opacity:.13}}
html.ask-lock{overflow:hidden}

/* header */
.ask-head{width:min(820px,94vw);display:flex;align-items:center;gap:1rem;
  padding-bottom:1.1rem;border-bottom:1px solid var(--line)}
.ask-title{display:flex;align-items:baseline;gap:.75rem;margin-right:auto}
.ask-word{font-family:var(--fh);font-weight:800;font-size:1.5rem;letter-spacing:.05em}
.ask-sub{font-family:var(--fm);font-size:.58rem;letter-spacing:.26em;text-transform:uppercase;color:var(--ink3)}
.ask-badge{display:inline-flex;align-items:center;gap:.5rem;flex:none;
  font-family:var(--fm);font-size:.56rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink3);
  border:1px solid var(--line);border-radius:100px;padding:.4rem .8rem;transition:color .4s,border-color .4s}
.ab-dot{width:6px;height:6px;border-radius:50%;background:var(--ink3);transition:background .4s,box-shadow .4s}
.ask-badge[data-mode="grounded"]{color:var(--ink2);border-color:var(--acc)}
.ask-badge[data-mode="grounded"] .ab-dot{background:var(--acc);box-shadow:0 0 9px var(--acc)}
.ask-badge[data-mode="thinking"] .ab-dot{background:var(--acc);animation:abBlink 1s steps(1) infinite}
.ask-badge[data-mode="extractive"] .ab-dot{background:#e0b15a}
.ask-badge[data-mode="offline"] .ab-dot{background:#e06b6b}
@keyframes abBlink{50%{opacity:.2}}
.ask-x{flex:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:none;
  color:var(--ink2);cursor:pointer;font-size:.85rem;transition:.3s}
.ask-x:hover{color:var(--ink);border-color:var(--acc);transform:rotate(90deg)}

/* transcript */
.ask-body{width:min(820px,94vw);flex:1 1 auto;min-height:0;overflow-y:auto;
  padding:1.8rem 0;display:flex;flex-direction:column;gap:2rem;scrollbar-width:thin}
.ask-turn{display:flex;flex-direction:column;gap:.55rem}
.turn-label{font-family:var(--fm);font-size:.56rem;letter-spacing:.32em;text-transform:uppercase;color:var(--ink3)}
.ask-turn--agent .turn-label{color:var(--acc);transition:color .8s}
.turn-text{font-family:var(--fb);line-height:1.72}
.ask-turn--user .turn-text{font-family:var(--fd);font-style:italic;letter-spacing:.01em;color:var(--ink);
  font-size:clamp(1.3rem,2.7vw,1.85rem)}
.ask-turn--agent .turn-text{max-width:64ch;color:var(--ink2);font-size:clamp(1rem,1.5vw,1.12rem)}
.turn-text a{color:var(--acc);border-bottom:1px solid var(--line);transition:border-color .3s}
.turn-text a:hover{border-color:var(--acc)}
.turn-text.streaming::after{content:'▍';margin-left:1px;color:var(--acc);animation:caret 1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}

/* provenance line */
.turn-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.35rem}
.tm-rule{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--fm);font-size:.54rem;
  letter-spacing:.26em;text-transform:uppercase;color:var(--ink3)}
.tm-rule::before{content:'';width:18px;height:1px;background:var(--line);display:inline-block}
.tm-tag{font-family:var(--fm);font-size:.55rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink2);
  border:1px solid var(--line);border-radius:100px;padding:.28rem .7rem;transition:border-color .4s}
.tm-tag:hover{border-color:var(--acc)}
.tm-ttft{font-family:var(--fm);font-size:.55rem;letter-spacing:.1em;color:var(--ink3)}

/* composer */
.ask-foot{width:min(820px,94vw);padding-top:1.1rem;border-top:1px solid var(--line)}
.ask-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
.ask.engaged .ask-chips{display:none}
.ask-chip{font-family:var(--fm);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);
  background:none;border:1px solid var(--line);border-radius:100px;padding:.5rem .95rem;cursor:pointer;transition:all .3s}
.ask-chip:hover{border-color:var(--acc);color:var(--ink);transform:translateY(-2px)}
.ask-form{display:flex;align-items:center;gap:.9rem;border-bottom:1px solid var(--line);
  padding-bottom:.7rem;transition:border-color .3s}
.ask-form:focus-within{border-color:var(--acc)}
.ask-input{flex:1;min-width:0;background:none;border:none;outline:none;color:var(--ink);
  font-family:var(--fb);font-size:1.05rem;padding:.3rem 0}
.ask-input::placeholder{color:var(--ink3)}
.ask-send{flex:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:none;
  color:var(--ink2);font-size:1rem;cursor:pointer;transition:.3s}
.ask-send:hover{border-color:var(--acc);color:var(--acc);transform:translateY(-2px)}
.ask-note{margin-top:.9rem;font-family:var(--fm);font-size:.55rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink3)}
.ask-note a{color:var(--ink3);transition:color .3s}
.ask-note a:hover{color:var(--acc)}

@media(max-width:560px){
  .ask{padding:1rem .9rem}
  .ask-sub{display:none}
  .ask-word{font-size:1.25rem}
  .ask-turn--user .turn-text{font-size:1.18rem}
  .ask-body{gap:1.6rem;padding:1.4rem 0}
  .ask-note{font-size:.5rem}
}

/* contact-chapter agent invite — the designed entry point in “Let's build.” */
.contact-lead{font-family:var(--fb);font-size:1.04rem;line-height:1.7;color:var(--ink);
  max-width:460px;margin:0 auto 1.7rem;
  text-shadow:0 1px 20px rgba(5,5,7,.92),0 0 10px rgba(5,5,7,.75)}
.contact-lead em{color:var(--acc);font-style:normal;font-weight:600;font-family:var(--fb)}
.agent-invite{display:flex;align-items:center;gap:1rem;width:min(460px,86vw);margin:0 auto 1.4rem;
  background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:100px;padding:1rem 1.5rem;
  cursor:pointer;text-align:left;text-shadow:none;transition:all .35s var(--ease);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.agent-invite:hover{border-color:var(--acc);transform:translateY(-3px);box-shadow:0 18px 50px rgba(0,0,0,.45)}
.ai-pulse{flex:none;width:9px;height:9px;border-radius:50%;background:var(--acc);
  box-shadow:0 0 12px var(--acc);animation:askDot 2.6s var(--ease) infinite}
.ai-text{flex:1;font-family:var(--fb);font-size:.96rem;letter-spacing:.01em;color:var(--ink2);transition:color .3s}
.ai-enter{flex:none;font-family:var(--fm);font-size:.85rem;color:var(--ink3);transition:color .3s}
.agent-invite:hover .ai-text{color:var(--ink)}
.agent-invite:hover .ai-enter{color:var(--acc)}
.ch-inner.center .ch-no{transform:translate(-50%,calc(var(--py,0)*var(--d,1)*1px))}