:root{
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  --sky:linear-gradient(180deg,#0D1430 0%,#2A3157 30%,#5E4E69 56%,#A9704F 82%,#C98A58 100%);
  --sky-deep:none; --deep-on:0; --cloud-fade:0;
  --base:#5E4E69; --flare:rgba(255,206,140,.42); --flare2:rgba(255,150,70,.14);
  --sheet:rgba(24,19,32,.82); --gold:#F0C36E;
  /* one warm neutral ladder for every piece of text, in both themes (the page reads light on dark either way):
     hierarchy comes from lightness, not from colour, weight or size. Gold is kept for the cuneiform alone. */
  --title:#F6EEDF; --text:#E4DACB; --muted:#ABA293; --faint:#7A7268; --hair:rgba(255,236,210,.1);
  --ink:var(--title); --ink-2:var(--muted);
  /* glass: a near-solid pane with a lit top edge and a hairline rim; a small contact shadow, never a halo */
  --pane:rgba(18,19,28,.72); --pane-hi:rgba(46,46,60,.78); --pane-top:rgba(255,238,214,.1); --pane-edge:rgba(255,238,214,.2); --cast:rgba(0,0,0,.35);
  --shadow:inset 0 1px 0 var(--pane-top),inset 0 0 0 1px var(--hair),0 1px 2px var(--cast);
  --ring:rgba(244,228,206,.6); --focus:#E8D9C3;
  --ease:cubic-bezier(.25,0,0,1); --ease-out:cubic-bezier(.16,1,.3,1);
  --display:"Marcellus","Iowan Old Style","Palatino Linotype",Georgia,serif;
  --body:"Hanken Grotesk","Segoe UI",system-ui,-apple-system,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --sky:linear-gradient(180deg,#060A20 0%,#101944 36%,#2B2A59 62%,#5A4163 84%,#8A5B5F 100%);
    --sky-deep:radial-gradient(90% 45% at 50% 118%,rgba(110,70,60,.12),transparent 70%),linear-gradient(180deg,#04060D 0%,#070A17 45%,#0C1124 100%); --deep-on:1; --cloud-fade:.6;
    --base:#0B0E16; --flare:rgba(190,206,255,.22); --flare2:rgba(120,140,220,.08);
    --sheet:rgba(13,15,22,.86); --gold:#E0B55C;
  }
}
:root[data-theme="dark"]{
  --sky:linear-gradient(180deg,#060A20 0%,#101944 36%,#2B2A59 62%,#5A4163 84%,#8A5B5F 100%);
  --sky-deep:radial-gradient(90% 45% at 50% 118%,rgba(110,70,60,.12),transparent 70%),linear-gradient(180deg,#04060D 0%,#070A17 45%,#0C1124 100%); --deep-on:1; --cloud-fade:.6;
  --base:#0B0E16; --flare:rgba(190,206,255,.22); --flare2:rgba(120,140,220,.08);
  --sheet:rgba(13,15,22,.86); --gold:#E0B55C;
}
*,*::before,*::after{box-sizing:inherit}
html{height:100%;scroll-padding-top:env(safe-area-inset-top,0px);-webkit-text-size-adjust:100%}
body{margin:0;min-height:100%;background:var(--base);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ol,ul{margin:0} ol,ul{padding:0;list-style:none}
a{color:inherit}
strong,b{font-weight:600}
/* no orphaned last words, no lopsided headings */
p,li{text-wrap:pretty} h1,h2,h3,h4{text-wrap:balance}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:6px}
.bg{position:fixed;inset:0;background:var(--sky);z-index:-2}
/* past the scene the night sky deepens (--sink, set in app.js): a dark sky fades in under the live night canvas
   (#night: stars, constellations, embers) and the clouds thin out; by day --deep-on is 0, so the sunset stays */
.bg::after{content:"";position:absolute;inset:0;opacity:calc(var(--sink,0) * var(--deep-on,0));background:var(--sky-deep)}
#night{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;opacity:calc(var(--sink,0) * var(--deep-on,0))}
#clouds{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;opacity:calc(1 - var(--sink,0) * var(--cloud-fade,0))}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.skip{position:absolute;left:-999px;top:8px;background:var(--title);color:#17131d;padding:8px 14px;z-index:10;border-radius:8px}
.skip:focus{left:8px}

/* glass */
.glass{position:relative;background:var(--pane);box-shadow:var(--shadow)}
/* the lit edge: a 1px gradient rim, brightest at the top-left and bottom-right corners */
.glass::before,.pill::before,.sheet::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;background:linear-gradient(146deg,var(--pane-edge),transparent 32%,transparent 68%,var(--pane-edge));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}

/* top */
.top{display:flex;justify-content:flex-end;gap:10px;padding-top:18px;position:relative;z-index:2}
.icon-btn{border:0 !important;box-shadow:0 8px 24px rgba(0,0,0,.26) !important}
.icon-btn{width:42px;height:42px;border-radius:999px;display:grid;place-items:center;color:var(--ink);cursor:pointer;padding:0}
.icon-btn:hover{background:var(--pane-hi)}
.icon-btn svg{width:18px;height:18px}
svg.i{fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:center;padding-top:6px}
.diorama{display:block;width:100%;max-width:560px;margin:0 auto;aspect-ratio:1/1;background:none;border:0;padding:0;cursor:pointer;animation:bob 10s ease-in-out infinite alternate}
.diorama{position:relative}
.diorama canvas{width:100%;height:100%;display:block}
#gl{position:absolute;inset:-4% -6%;display:block}
.glow{position:absolute;inset:6% 8% 22%;border-radius:50%;background:radial-gradient(closest-side,var(--glow),transparent);pointer-events:none;display:none}
.diorama.is-3d .glow{display:block}
.diorama.is-3d #stage{visibility:hidden}
@keyframes bob{from{transform:translateY(-5px)}to{transform:translateY(7px)}}
.title{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
h1{font-family:var(--display);font-weight:400;font-size:44px;line-height:1.1;letter-spacing:.005em}
.alt{display:flex;gap:12px;align-items:baseline;color:var(--muted)}
.alt .fa{font-family:"Vazirmatn",Tahoma,sans-serif;font-size:20px}
.alt .xp{font-family:"Noto Sans Old Persian",serif;font-size:17px;color:var(--gold);letter-spacing:.05em}
.bio{margin-top:16px;color:var(--ink-2);font-size:16.5px;line-height:1.68}
.bio strong{color:var(--title);font-weight:600}
/* the row wraps at the text column, so the profiles sit on one line and the résumé, contact and booking on the next */
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;width:max-content;max-width:min(100%,calc(100vw - 40px))}
.pill{position:relative;display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 17px;border:0;border-radius:999px;font-size:14px;font-weight:500;letter-spacing:-.005em;text-decoration:none;color:var(--title);
  background:var(--pane);box-shadow:var(--shadow);transition:background-color .2s var(--ease),transform .2s var(--ease)}
button.pill{font-family:inherit;line-height:inherit;cursor:pointer}
.pill:hover{background:var(--pane-hi)}
.pill:active{transform:translateY(1px)}
.pill svg{width:15px;height:15px;flex:none}


/* cinematic hero */
.hero3d{position:relative;min-height:clamp(900px,135vh,1500px);display:flex;overflow:hidden;--fade:linear-gradient(#000 46%,rgba(0,0,0,.92) 56%,rgba(0,0,0,.74) 66%,rgba(0,0,0,.5) 76%,rgba(0,0,0,.27) 85%,rgba(0,0,0,.1) 93%,transparent)}
.fx{position:absolute;inset:0;overflow:hidden;pointer-events:none}
#gl,.scrim,.fx{-webkit-mask-image:linear-gradient(#000 34%,rgba(0,0,0,.94) 42%,rgba(0,0,0,.82) 50%,rgba(0,0,0,.66) 58%,rgba(0,0,0,.48) 66%,rgba(0,0,0,.32) 74%,rgba(0,0,0,.18) 82%,rgba(0,0,0,.08) 90%,rgba(0,0,0,.02) 96%,transparent);mask-image:linear-gradient(#000 34%,rgba(0,0,0,.94) 42%,rgba(0,0,0,.82) 50%,rgba(0,0,0,.66) 58%,rgba(0,0,0,.48) 66%,rgba(0,0,0,.32) 74%,rgba(0,0,0,.18) 82%,rgba(0,0,0,.08) 90%,rgba(0,0,0,.02) 96%,transparent)}
#gl{position:absolute;inset:0;opacity:0;transition:opacity 2.4s ease}
#gl.on{opacity:1}
#gl canvas{width:100%;height:100%;display:block;filter:contrast(1.06) saturate(1.07)}
.flare{position:absolute;left:0;top:0;width:110vmin;height:110vmin;margin:-55vmin 0 0 -55vmin;border-radius:50%;background:radial-gradient(closest-side,var(--flare),var(--flare2) 36%,transparent 70%);mix-blend-mode:screen;pointer-events:none;opacity:0;transition:opacity 2s;will-change:transform}
.rays{position:absolute;left:0;top:0;width:0;height:0;opacity:0;transition:opacity 2.5s;mix-blend-mode:screen;pointer-events:none;will-change:transform}
.rays i{position:absolute;left:-95vmax;top:-95vmax;width:190vmax;height:190vmax;border-radius:50%;filter:blur(7px);animation:spin 300s linear infinite;
  background:conic-gradient(from 0deg,transparent 0deg,rgba(255,196,120,.55) 4deg,transparent 9deg,transparent 31deg,rgba(255,196,120,.4) 36deg,transparent 40deg,transparent 58deg,rgba(255,196,120,.6) 66deg,transparent 73deg,transparent 104deg,rgba(255,196,120,.35) 109deg,transparent 113deg,transparent 141deg,rgba(255,196,120,.55) 150deg,transparent 157deg,transparent 186deg,rgba(255,196,120,.4) 192deg,transparent 197deg,transparent 228deg,rgba(255,196,120,.6) 236deg,transparent 245deg,transparent 272deg,rgba(255,196,120,.35) 277deg,transparent 282deg,transparent 311deg,rgba(255,196,120,.5) 319deg,transparent 326deg,transparent 360deg);
  -webkit-mask-image:radial-gradient(closest-side,#000 3%,rgba(0,0,0,.5) 22%,transparent 62%);mask-image:radial-gradient(closest-side,#000 3%,rgba(0,0,0,.5) 22%,transparent 62%)}
@keyframes spin{to{transform:rotate(360deg)}}
.vignette,.grain,.scrim{position:absolute;inset:0;pointer-events:none}
.vignette{background:radial-gradient(ellipse at 62% 46%,transparent 42%,rgba(3,3,10,.62) 100%)}
.grain{opacity:.13;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}
.scrim{background:linear-gradient(90deg,rgba(6,6,14,.9),rgba(6,6,14,.8) 30%,rgba(6,6,14,.5) 50%,rgba(6,6,14,0) 72%)}
.hero-inner{position:relative;display:flex;flex-direction:column;width:100%;pointer-events:none}
.hero-inner .top,.hero-inner a,.hero-inner button{pointer-events:auto}
#gl{pointer-events:auto}
.hero-copy{margin-top:clamp(18px,4vh,56px);padding-bottom:0;max-width:520px}
.hero-copy h1{font-size:clamp(46px,5vw,76px);line-height:.98;letter-spacing:-.01em;color:var(--title);text-shadow:0 2px 30px rgba(0,0,0,.35)}
/* the full name runs wider than the copy column on desktop; keep it on one line there */
@media (min-width:761px){.hero-copy h1{white-space:nowrap}}
.hero-copy .alt{margin-top:14px}
/* the bio sits a step down the ladder so the few bold terms carry the scan */
.hero-copy .bio{font-size:16px;color:#C4BAAA}
.hero-copy .bio strong{color:var(--title);font-weight:600}
@media (max-width:760px){
  .hero3d{min-height:0 !important;display:block;background:linear-gradient(transparent,#0b0a12 40vh,#0b0a12 100%);-webkit-mask-image:none;mask-image:none}
  .bg,#clouds{display:none}
  body{background:#0b0a12}
  .card,.pill{background:rgba(20,18,30,.85)}
  .hero-copy{padding-bottom:36px}
  #gl,.vignette,.grain{bottom:auto;height:66vh}
  #gl,.fx{-webkit-mask-image:linear-gradient(#000 55%,rgba(0,0,0,.6) 75%,rgba(0,0,0,.2) 90%,transparent);mask-image:linear-gradient(#000 55%,rgba(0,0,0,.6) 75%,rgba(0,0,0,.2) 90%,transparent)}
  .fx{bottom:auto;height:66vh}
  .hero-copy{margin-top:calc(66vh - 190px) !important}
  .scrim{-webkit-mask-image:none;mask-image:none}
  .scrim{background:linear-gradient(180deg,rgba(11,10,18,0) 30vh,rgba(11,10,18,.86) 62vh,rgba(11,10,18,1) 78vh);-webkit-mask-image:none;mask-image:none}
  .hero-inner{min-height:66vh}
  .hero-copy{margin-top:calc(66vh - 190px);padding-bottom:36px}
}

/* hidden toggle */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sr-only:focus-visible{position:static;width:auto;height:auto;clip:auto;color:#fff;background:rgba(0,0,0,.6);padding:6px 12px;border-radius:999px;font:inherit}
#gl.hot{cursor:pointer}
#birds{position:absolute;left:0;top:0;pointer-events:none;z-index:3;-webkit-mask-image:linear-gradient(#000 60%,transparent 92%);mask-image:linear-gradient(#000 60%,transparent 92%)}
.hero-copy h1 .ltr{display:inline-block}
/* letters are inline-blocks (the birds perch on them); keep each word whole so the name only breaks at the space */
.hero-copy h1 .word{display:inline-block;white-space:nowrap}
/* phones: scene on top, then the copy; filters scroll sideways in one row */
@media (max-width:620px){
  .hero-copy .bio{font-size:15.5px;line-height:1.62}
  .pills{width:auto;max-width:none;gap:8px}
  .pill{min-height:38px;padding:0 14px;font-size:13.5px}
  .filters{flex-wrap:nowrap!important;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin-left:-18px;margin-right:-18px;padding:0 18px 6px}
  .filters::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto}
  .cover{aspect-ratio:16/10}
}
/* entrance */
.hero-copy>*{opacity:0;transform:translateY(16px);transition:opacity 1.6s ease,transform 1.8s var(--ease-out),letter-spacing 2.6s var(--ease-out)}
.hero-copy h1{letter-spacing:.05em}
.hero3d.ready .hero-copy>*{opacity:1;transform:none}
.hero3d.ready .hero-copy h1{letter-spacing:-.01em;transition-delay:.7s}
.hero3d.ready .hero-copy .alt{transition-delay:1.3s}
.hero3d.ready .hero-copy .bio{transition-delay:1.7s}
.hero3d.ready .hero-copy .pills{transition-delay:2.1s}
.hero3d.ready .grain,.hero3d.ready .vignette{display:none}
@media (prefers-reduced-motion:reduce){.hero-copy>*{transition:none}}

/* work */
.filters{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 26px}
main{position:relative;margin-top:0;padding-bottom:72px}
/* filter chips: frosted, with a lit top edge and a hairline rim so they lift off the scene; the chosen one inverts to cream */
.filters{align-items:center}
.chip{position:relative;display:inline-flex;align-items:center;gap:5px;height:34px;padding:0 11px;border:0;border-radius:999px;font:inherit;font-size:13px;font-weight:500;white-space:nowrap;cursor:pointer;
  color:var(--muted);background:var(--pane);box-shadow:var(--shadow);transition:color .2s var(--ease),background-color .2s var(--ease)}
.chip::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;background:linear-gradient(146deg,var(--pane-edge),transparent 32%,transparent 68%,var(--pane-edge));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
.chip svg{width:14px;height:14px;flex:none}
.chip:hover{color:var(--title)}
.chip[aria-pressed="true"]{color:#17131d;background:var(--title);box-shadow:none}
.chip[aria-pressed="true"]::before{display:none}
.chip[aria-pressed="true"] svg{opacity:1}
/* the running total is for screen readers; sighted readers get it per section, at the right of each head */
.filter-note{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.shelf[hidden],.card[hidden]{display:none}
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.card{border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.card[hidden]{display:none}
/* hover and focus draw a quiet ring and ease the art forward; the card itself never jumps */
.card::after{content:"";position:absolute;inset:0;z-index:3;border-radius:inherit;box-shadow:inset 0 0 0 1px var(--ring);opacity:0;transition:opacity .26s var(--ease);pointer-events:none}
@media (hover:hover){.card:hover::after{opacity:1}}
.card:has(:focus-visible)::after{opacity:1}
.cover{display:block;aspect-ratio:16/9;background:#0B0E18;overflow:hidden}
.cover canvas{display:block;width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease-out)}
.cover img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease-out)}
.cover{position:relative}
.cover video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s var(--ease),transform .9s var(--ease-out)}
.cover video.on{opacity:1}
.card:hover .cover video{transform:scale(1.045)}
.card:hover .cover canvas,.card:hover .cover img{transform:scale(1.045)}
.card-body{padding:15px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.card h3{font-size:15.5px;font-weight:600;line-height:1.3;letter-spacing:-.01em;color:var(--title)}
.card-links{display:flex;gap:4px;margin-right:-8px}
.card-links a{position:relative;z-index:4;width:32px;height:32px;display:grid;place-items:center;border-radius:8px;color:var(--muted);transition:color .2s var(--ease)}
.card-links a:hover{color:var(--title)}
.card-links svg{width:16px;height:16px}
/* the product's own mark, after its links; the margin undoes the row's pull into the card edge */
.card-links .logo{align-self:center;width:20px;height:20px;border-radius:5px;margin:0 8px 0 4px}
.card p{font-size:14px;line-height:1.55;color:var(--muted)}
/* tags are icons only, as on the reference; the label stays for screen readers and shows as a tooltip */
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:6px}
.tag{display:inline-flex;color:var(--faint);transition:color .2s var(--ease)}
.tag:hover{color:var(--muted)}
.tag svg{width:14px;height:14px;flex:none}
.tag-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* sections of work: one titled shelf per kind of work, each with its own layout */
/* one head per section: the title on the left, how many on the right, a short muted line under both */
.shelf{margin-top:72px;scroll-margin-top:24px}
.shelf:first-child{margin-top:8px}
.shelf-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:6px 20px;margin-bottom:24px}
.shelf-head h2{font-family:var(--display);font-weight:400;font-size:clamp(26px,2.6vw,34px);line-height:1.1;letter-spacing:-.01em;color:var(--title)}
.shelf-head .count{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.shelf-head p{flex:0 0 100%;font-size:15px;color:var(--muted)}
.shelf-head p a{color:var(--text);text-decoration-color:var(--hair);text-underline-offset:3px}
.shelf-head p a:hover{color:var(--title)}
.shelf .grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
/* courses: ordinary cards whose art is a live 3D scene (COURSE3D in app.js), drawn in the page's greys with one lit
   cream; the course's name lives in the card body like every other card, never on the art */
.shelf-courses .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.course-art{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:radial-gradient(90% 120% at 50% 0%,var(--pane-hi),transparent 70%);border-bottom:1px solid var(--hair)}
.c3d{position:absolute;inset:0;opacity:0;transition:opacity .9s var(--ease)}
.c3d.on{opacity:1}
.c3d canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.c3d .hint{position:absolute;left:14px;bottom:10px;margin:0;font-size:12px;color:var(--faint);pointer-events:none;transition:opacity .4s var(--ease)}
.card:hover .c3d .hint{opacity:0}
/* the hints name pointer gestures, so touch screens go without */
@media (hover:none){.c3d .hint{display:none}}
.c3d-tip{position:absolute;left:0;top:0;display:flex;align-items:center;gap:7px;padding:5px 10px;border-radius:999px;background:var(--pane);box-shadow:var(--shadow);
  color:var(--title);font-size:12px;font-weight:500;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .2s var(--ease)}
.c3d-tip.on{opacity:1}
.card.l-courses .card-body{gap:8px}
.card.l-courses h3 a{color:inherit;text-decoration:none}
.card.l-courses h3 a:hover{text-decoration:underline;text-decoration-color:var(--hair);text-underline-offset:3px}
.card-foot{margin-top:auto;padding-top:10px;border-top:1px solid var(--hair);font-size:13px;color:var(--muted)}
.card .meta{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
/* research: small rows, two across, thumbnail beside the text */
.shelf-compact .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.card.l-compact{flex-direction:row;align-items:stretch}
.card.l-compact .thumb{flex:0 0 34%;background:#0B0E18;overflow:hidden}
.card.l-compact .thumb canvas{display:block;width:100%;height:100%;object-fit:cover}
.card.l-compact .card-body{padding:14px 18px}
/* publications: one panel per research thread, two across */
/* cv */
.when{font-size:14px;color:var(--muted);padding-top:2px;font-variant-numeric:tabular-nums}
footer{padding:24px 0 40px;font-size:13px;color:var(--muted)}
/* one row under a hairline: the site index on the left, the copyright at the right end (it wraps below on a phone) */
footer .foot-row{display:flex;align-items:baseline;gap:6px 24px;flex-wrap:wrap;border-top:1px solid var(--hair)}

@media (max-width:1240px){.cards,.shelf .grid{grid-template-columns:repeat(3,minmax(0,1fr))}.shelf-compact .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:940px){
  .hero{grid-template-columns:1fr;gap:4px}
  .diorama{max-width:440px}
  .cards,.shelf .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .shelf-compact .grid{grid-template-columns:1fr}
}
@media (max-width:620px){
  .wrap{padding:0 18px}
  .diorama{max-width:340px}
  h1{font-size:38px}
  .cards,.shelf .grid{grid-template-columns:1fr}
  .shelf{margin-top:48px}
  .card.l-compact .thumb{flex-basis:30%}
}
@media (prefers-reduced-motion:reduce){
  .diorama{animation:none}
  .rays i{animation:none}
  .card,.pill,.cover canvas,.cover img{transition:none}
}

/* site index in the footer: plain links to every section (articles, products, courses, contact) */
footer .sitemap{flex:1 1 auto;display:flex;flex-wrap:wrap;gap:6px 18px;padding:18px 0 14px}
footer .copy{margin-left:auto;white-space:nowrap}
footer .sitemap a{color:var(--text);text-decoration:none;min-height:32px;display:inline-flex;align-items:center;transition:color .2s var(--ease)}
footer .sitemap a:hover,footer .sitemap a:focus-visible{color:var(--title);text-decoration:underline;text-decoration-color:var(--hair);text-underline-offset:3px}

/* résumé: a sheet that opens in place under the hero (Résumé pill or /#resume) */
.resume{display:grid;grid-template-rows:0fr;transition:grid-template-rows .7s var(--ease);position:relative;z-index:2;scroll-margin-top:24px}
.resume.open{grid-template-rows:1fr}
.resume-clip{min-height:0;overflow:hidden}
/* the sheet fades and rises while the row grows; its entries follow in a short cascade (--i is set in app.js) */
.resume .sheet{opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .5s var(--ease),transform .7s var(--ease),visibility 0s linear .7s}
.resume.open .sheet{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.resume .cascade{opacity:0;transform:translateY(6px);transition:opacity .45s var(--ease),transform .6s var(--ease)}
.resume.open .cascade{opacity:1;transform:none;transition-delay:calc(140ms + var(--i,0) * 46ms)}
.resume-inner{padding-bottom:0}
.sheet{position:relative;background:var(--sheet);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(22px) saturate(1.2);backdrop-filter:blur(22px) saturate(1.2);border-radius:24px;padding:34px 40px 44px;color:var(--text)}
.sheet-top{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;padding-right:56px;position:relative}
.sheet-top h2{font-family:var(--display);font-weight:400;font-size:clamp(30px,3vw,40px);line-height:1.1;letter-spacing:-.01em;color:var(--title)}
.sheet-top h2:focus{outline:0}
.sheet-tools{display:flex;flex-wrap:wrap;gap:10px}
.sheet .pill{min-height:38px;padding:0 16px;font-size:13.5px;background:var(--pane-hi)}
.sheet-close{position:absolute;right:0;top:0;width:38px;height:38px;border-radius:999px;border:0;display:grid;place-items:center;cursor:pointer;color:var(--muted);background:var(--hair);transition:color .2s var(--ease),background-color .2s var(--ease)}
.sheet-close:hover{color:var(--title);background:var(--pane-hi)}
.sheet-close svg{width:16px;height:16px}
.sheet strong{color:var(--title)}
.sheet a:not(.pill){color:var(--title);text-decoration-color:var(--hair);text-underline-offset:3px}
.sheet a:not(.pill):hover{text-decoration-color:currentColor}
.sheet-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px;margin-top:26px}
.sheet-head{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:400;font-size:24px;line-height:1.2;color:var(--title);margin-bottom:14px}
.sheet-head svg{width:22px;height:22px;color:var(--muted);flex:none}
.sheet-col .sheet-head:not(:first-child){margin-top:36px}
/* skills: an icon and a name per group, then the tools as one quiet line */
.skills li{padding:10px 0;border-bottom:1px solid var(--hair)}
.skills h4{display:flex;align-items:center;gap:9px;font-size:14.5px;font-weight:600;color:var(--title);margin-bottom:2px}
.skills h4 svg{width:15px;height:15px;color:var(--muted);flex:none}
.skills p{padding-left:24px;font-size:14px;color:var(--muted)}
.skills span+span::before{content:"·";margin:0 .45em;color:var(--faint)}
.sheet .top{display:flex;justify-content:space-between;align-items:baseline;gap:6px 14px;flex-wrap:wrap}
.sheet .when{font-size:13px;color:var(--muted);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;font-weight:400;font-variant-numeric:tabular-nums}
/* experience: a timeline of employers; each opens to its roles */
.posts{border-left:1px solid var(--hair);margin-left:4px}
.post{position:relative;padding:0 0 6px 22px}
.post::before{content:"";position:absolute;left:-3.5px;top:17px;width:6px;height:6px;border-radius:50%;background:var(--muted)}
.post-head{display:block;width:100%;text-align:left;background:none;border:0;padding:8px 0;color:inherit;font:inherit;cursor:pointer}
.post-head.plain{cursor:default}
.post-head:hover .org{color:#fff}
.post-head.plain:hover .org{color:var(--title)}
.org{font-weight:600;font-size:16px;color:var(--title);transition:color .2s var(--ease)}
.role{display:block;font-size:14px;color:var(--muted);margin-top:2px}
.caret{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s var(--ease)}
.post-head[aria-expanded="true"] .caret{transform:rotate(180deg)}
.post-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .42s var(--ease)}
.post-body.open{grid-template-rows:1fr}
.post-body>div{min-height:0;overflow:hidden;font-size:14px;line-height:1.62;color:var(--text)}
.post-body ul{list-style:disc;padding:0 0 12px 18px}
.post-body li{margin:5px 0}
.post-body li::marker{color:var(--faint)}
.sheet-list li{padding:11px 0;border-top:1px solid var(--hair);font-size:14px;line-height:1.58;color:var(--muted)}
.sheet-list li:first-child{border-top:0;padding-top:4px}
.sheet-list strong{display:block;font-size:15px;font-weight:600}
.sheet-list .top strong{display:inline}
@media (max-width:760px){
  .sheet{background:rgba(20,18,30,.96);border-radius:18px;padding:22px 18px 28px}
  .sheet-top{padding-right:0}
  .sheet-top h2{padding-right:56px}
  .sheet-tools{flex-basis:100%}
  .sheet .pill{padding:0 14px}
  .sheet-grid{grid-template-columns:1fr;gap:8px}
  .sheet-col .sheet-head:first-child{margin-top:28px}
}
@media (prefers-reduced-motion:reduce){.resume,.resume .sheet,.resume .cascade,.post-body,.caret{transition:none}}

/* phones, after the reference: each card becomes a row with its art on the left, tags shrink to icons */
@media (min-width:520px) and (max-width:620px){.shelf-cards .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:519px){
  .shelf .grid{gap:12px}
  .card.l-cards,.card.l-courses,.card.l-compact{flex-direction:row;border-radius:14px}
  .card.l-cards .cover,.card.l-courses .course-art,.card.l-compact .thumb{flex:0 0 38%;aspect-ratio:auto;min-height:112px;align-self:stretch}
  .cover canvas,.cover img,.card.l-compact .thumb canvas{object-fit:cover}
  .card.l-cards .card-body,.card.l-courses .card-body,.card.l-compact .card-body{gap:4px;min-width:0;padding:11px 12px 12px}
  .card h3{font-size:15px}
  .card.l-cards p,.card.l-courses .card-body p:not(.card-foot),.card.l-compact p{font-size:13px;line-height:1.45;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;line-clamp:3;overflow:hidden}
  .card .card-body .meta{font-size:12px}
  .card-links{margin-right:-6px;gap:0}
  .card-links a{width:30px;height:30px}
}
@media (max-width:700px){.tags{gap:9px}}

/* desktop: the terrace is a fixed layer behind the page (app.js moves #gl out of the header); a light veil
   deepens as you scroll so the glass work reads over it. The flat sky layers are not needed there. */
#gl.fixed{position:fixed;inset:0;z-index:-1;-webkit-mask-image:none;mask-image:none}
/* ...and draws it out of focus, so only soft light and shade sit behind the text: a calm field, like the reference's sky */
.veil{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:var(--sink,0);background:var(--veil);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.scene-fixed #night,.scene-fixed #clouds,.scene-fixed .bg::after{display:none}
.scene-fixed .hero3d{pointer-events:none}
.scene-fixed .fx{position:fixed;inset:0;z-index:-1;-webkit-mask-image:none;mask-image:none}
.scene-hot,.scene-hot body{cursor:pointer}
.scene-fixed .hero3d .hero-inner a,.scene-fixed .hero3d .hero-inner button{pointer-events:auto}
:root{--veil:linear-gradient(180deg,rgba(24,18,22,.5),rgba(24,18,22,.66))}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--veil:linear-gradient(180deg,rgba(5,6,12,.62),rgba(5,6,12,.78))}}
:root[data-theme="dark"]{--veil:linear-gradient(180deg,rgba(5,6,12,.62),rgba(5,6,12,.78))}

/* writing and speaking: three cards like the shelves, each opening on a line drawing of its subject
   (a network with its hidden layer lit, a voice, a forecast hierarchy whose parents are sums) */
.shelf-notes .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.note-art{aspect-ratio:16/7;overflow:hidden;background:radial-gradient(90% 120% at 50% 0%,var(--pane-hi),transparent 70%);border-bottom:1px solid var(--hair)}
.note-art svg{display:block;width:100%;height:100%;overflow:visible;transition:transform .9s var(--ease-out)}
.card:hover .note-art svg{transform:scale(1.045)}
.note-art .ln{fill:none;stroke:var(--faint);stroke-width:1;stroke-linecap:round;opacity:.7}
.note-art .lit{fill:none;stroke:var(--title);stroke-width:1.6;stroke-linecap:round}
.note-art .frame{fill:none;stroke:var(--muted);stroke-width:1;stroke-dasharray:3 4}
.note-art .dot{fill:var(--faint)}
.note-art .node{fill:#15161f;stroke:var(--title);stroke-width:1.4}
.note-art .root{fill:var(--title)}
.note-art text{fill:var(--muted);font:13px var(--body)}
.kicker{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.kicker svg{width:14px;height:14px;flex:none}
.venues{display:grid;margin-top:2px}
.venues li{padding:8px 0;border-top:1px solid var(--hair);font-size:14px;color:var(--text)}
.venues li:first-child{border-top:0;padding-top:2px}
.note-links{display:flex;flex-direction:column;gap:2px;margin-top:auto;padding-top:10px;border-top:1px solid var(--hair)}
.note-links a{display:inline-flex;align-items:center;gap:8px;min-height:32px;font-size:14px;color:var(--text);text-decoration:none;transition:color .2s var(--ease)}
.note-links a:hover{color:var(--title)}
.note-links .lbl{font-size:12.5px;color:var(--faint);font-variant-numeric:tabular-nums}
.note-links svg{width:13px;height:13px;flex:none;color:var(--muted)}
.card.l-notes .card-body{gap:8px}
@media (max-width:940px){
  .shelf-notes .grid{grid-template-columns:1fr}
  .card.l-notes{flex-direction:row}
  .card.l-notes .note-art{flex:0 0 34%;aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--hair)}
}
@media (max-width:519px){
  .card.l-notes{flex-direction:column}
  .card.l-notes .note-art{flex:none;aspect-ratio:16/6;border-right:0;border-bottom:1px solid var(--hair)}
}

/* courses below three across: rows with the scene on the left, like the writing cards */
@media (max-width:940px){
  .shelf-courses .grid{grid-template-columns:1fr}
  .card.l-courses{flex-direction:row}
  .card.l-courses .course-art{flex:0 0 38%;aspect-ratio:auto;min-height:150px;border-bottom:0;border-right:1px solid var(--hair)}
}

/* the twin: the first visit's opening (app.js). A void, a log of real load steps, and a tag for each agent at
   work; the only cool colour on the site, the data before the stone is lit */
:root{--data:#9ED6F5;--void:#06080E;--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace}
.twin{position:fixed;inset:0;z-index:60;pointer-events:none;font:400 11.5px/1.75 var(--mono);color:var(--muted);transition:opacity .7s var(--ease)}
.twin::before{content:"";position:absolute;inset:0;background:var(--void);transition:opacity .45s var(--ease)}
.twin.live::before{opacity:0}
.twin.out{opacity:0}
.twin-log{position:absolute;left:max(28px,calc(50vw - 572px));bottom:44px;width:min(470px,calc(100vw - 56px));text-shadow:0 1px 12px rgba(0,0,0,.7)}
/* a soft pool of dark under the log, so it reads over the lattice without becoming a card */
.twin-log::before{content:"";position:absolute;z-index:-1;inset:-70px -120px -44px -90px;background:radial-gradient(closest-side,rgba(6,8,14,.82),rgba(6,8,14,.5) 60%,transparent);pointer-events:none}
.twin.out .twin-log{animation:twinJolt .38s steps(6) both}
.twin-head{display:flex;justify-content:space-between;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--title)}
.twin-head b{font-weight:400;color:var(--data)}
.twin-bar{display:block;position:relative;height:1px;margin:9px 0 11px;background:var(--hair)}
.twin-bar i{position:absolute;inset:0;background:var(--data);box-shadow:0 0 10px var(--data);transform:scaleX(0);transform-origin:0 50%}
.twin ol{list-style:none;margin:0;padding:0}
.twin li{display:grid;grid-template-columns:40px 96px minmax(0,1fr);gap:12px;white-space:nowrap;animation:twinIn .4s var(--ease-out) both}
.twin li time{color:var(--faint);font-variant-numeric:tabular-nums}
.twin li b{font-weight:400;color:var(--data)}
.twin li span{overflow:hidden;text-overflow:ellipsis;color:var(--text);font-variant-numeric:tabular-nums}
.twin li:not(.ok) span::after{content:"";display:inline-block;width:6px;height:11px;margin-left:6px;vertical-align:-1px;background:var(--data);animation:twinCaret .9s steps(1) infinite}
.twin li.ok b,.twin li.ok span{color:var(--muted)}
.twin-skip{position:absolute;right:max(28px,calc(50vw - 572px));bottom:44px;margin:0;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.twin-agent{position:absolute;left:0;top:0;opacity:0;transition:opacity .35s var(--ease);will-change:transform}
.twin-agent.on{opacity:1}
.twin-agent i{position:absolute;left:-4px;top:-4px;width:8px;height:8px;border:1px solid var(--data);transform:rotate(45deg);box-shadow:0 0 12px rgba(158,214,245,.8)}
.twin-agent i::after{content:"";position:absolute;inset:-5px;border:1px solid rgba(158,214,245,.5);animation:twinPing 1.4s var(--ease-out) infinite}
.twin-agent s{position:absolute;left:4px;top:-4px;width:30px;height:1px;background:linear-gradient(90deg,var(--data),rgba(158,214,245,.3));transform:rotate(-38deg);transform-origin:0 50%}
.twin-agent span{position:absolute;left:27px;bottom:21px;display:flex;gap:9px;align-items:baseline;padding:3px 9px 3px 8px;white-space:nowrap;border-left:1px solid var(--data);background:rgba(6,8,14,.58);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.twin-agent b{font-weight:400;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--data)}
.twin-agent em{font-style:normal;color:var(--text);font-variant-numeric:tabular-nums}
@keyframes twinIn{from{opacity:0;transform:translateX(-6px)}}
@keyframes twinCaret{50%{opacity:0}}
@keyframes twinPing{from{opacity:1;transform:scale(.6)}to{opacity:0;transform:scale(1.9)}}
@keyframes twinJolt{0%{transform:translateX(0)}20%{transform:translateX(-7px);clip-path:inset(0 0 40% 0)}40%{transform:translateX(5px);clip-path:inset(30% 0 0 0)}60%{transform:translateX(-3px);clip-path:none}100%{transform:none;opacity:0}}
/* while it runs the page holds back; the scene shows at once, and the name types itself in when the twin hands over */
.twin-run #gl{transition:none}
/* the void from the first paint until the scene takes over (twin-gate.js), with a way out should the script never run */
.twin-pre{background:var(--void);animation:twinClear .01s 9.5s forwards}
.twin-pre body::after{content:"";position:fixed;inset:0;z-index:59;background:var(--void);animation:twinGone .5s 9s forwards}
@keyframes twinGone{to{opacity:0;visibility:hidden}}
@keyframes twinClear{to{background:none}}
.twin-type .scrim,.twin-type #birds{transition:opacity 1.6s var(--ease)}
.twin-run .scrim,.twin-run #birds{opacity:0}
.twin-type .hero3d.ready .hero-copy h1{letter-spacing:-.01em;transition:none}
.twin-type .hero-copy h1 .ltr{animation:twinLtr .9s var(--ease-out) both;animation-delay:calc(var(--i,0)*55ms)}
@keyframes twinLtr{0%{opacity:0;color:var(--data);text-shadow:0 0 22px rgba(158,214,245,.9)}16%{opacity:1}26%{opacity:.2}38%{opacity:1;color:var(--data)}100%{opacity:1;color:var(--title);text-shadow:0 2px 30px rgba(0,0,0,.35)}}

/* the library (library.js): the publications as clay tablets in an archive of the Apadana. The stage is a window onto
   the 3D, framed like the cards; under it the same library as a plain list, which opens the same reader */
.lib-stage{position:relative;touch-action:pan-y;cursor:grab;width:100vw;margin-inline:calc(50% - 50vw);aspect-ratio:2.3/1;min-height:440px;max-height:86vh;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent),linear-gradient(transparent,#000 7%,#000 86%,transparent);-webkit-mask-composite:source-in;
  mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent),linear-gradient(transparent,#000 7%,#000 86%,transparent);mask-composite:intersect}
.lib-stage canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity 1.2s var(--ease)}
.lib-stage.on canvas{opacity:1}
.lib-tip{position:absolute;left:0;top:0;z-index:1;pointer-events:none;display:grid;gap:2px;max-width:300px;padding:8px 12px;border-radius:10px;background:rgba(10,11,16,.84);box-shadow:inset 0 0 0 1px var(--hair);translate:-50% -100%;margin-top:-10px}
.lib-tip b{font:400 15px/1.3 var(--display);color:var(--title)}
.lib-tip span{font-size:12.5px;color:var(--muted)}
.lib-more{margin:14px 0 0;font-size:13.5px}
.lib-more a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--hair)}
.lib-more a:hover{color:var(--title)}
/* the stage runs the full width of the window; nothing may scroll sideways because of it */
body{overflow-x:hidden;overflow-x:clip}
.lib-index{list-style:none;margin:6px 0 0;padding:0;columns:2 380px;column-gap:32px}
.lib-index li{break-inside:avoid}
.lib-index button{display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:10px;width:100%;padding:9px 0;border:0;border-bottom:1px solid var(--hair);background:none;color:var(--text);font:inherit;font-size:14px;line-height:1.45;text-align:left;cursor:pointer}
.lib-index .yr{grid-row:span 2;color:var(--faint);font-variant-numeric:tabular-nums}
.lib-index .vn{font-size:12.5px;color:var(--muted)}
.lib-index button:hover .tt{color:var(--title)}
.lib-index button:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}
.lib-reading,.lib-reading body{overflow:hidden}
.lib-reader{position:fixed;inset:0;z-index:70}
.lib-scrim{position:absolute;inset:0;background:rgba(6,7,11,.76);-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);opacity:0;transition:opacity .34s var(--ease)}
.lib-reader.in .lib-scrim{opacity:1}
.lib-rcv{position:absolute;inset:0;width:100%;height:100%;touch-action:none}
.lib-reader.flat .lib-rcv{display:none}
.lib-close{position:absolute;top:max(18px,env(safe-area-inset-top));right:18px;z-index:3;opacity:0;transition:opacity .3s var(--ease)}
.lib-reader.in .lib-close{opacity:1}
/* the text comes up where the lamp has passed: --p follows the lamp down the tablet */
.lib-panel{position:absolute;z-index:2;left:56vw;top:50%;translate:0 -50%;width:min(540px,38vw);max-height:84vh;overflow:auto;display:grid;gap:14px;opacity:0;transition:opacity .4s var(--ease) .12s;
  -webkit-mask-image:linear-gradient(180deg,#000 var(--p,100%),transparent calc(var(--p,100%) + 16%));mask-image:linear-gradient(180deg,#000 var(--p,100%),transparent calc(var(--p,100%) + 16%))}
.lib-reader.in .lib-panel{opacity:1}
.lib-reader.out .lib-panel{opacity:0;transition-delay:0s}
.lib-reader.flat .lib-panel{left:50%;translate:-50% -50%;width:min(620px,calc(100vw - 40px))}
.lib-panel .kicker{margin:0;font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.lib-panel h2{font-family:var(--display);font-weight:400;font-size:clamp(24px,2.4vw,32px);line-height:1.15;color:var(--title);text-wrap:balance}
.lib-panel .authors{margin:0;font-size:14.5px;color:var(--muted)}
.lib-panel .authors strong{font-weight:700;color:var(--title)}
.lib-panel .abstract{margin:0;font-size:15px;line-height:1.66;color:var(--text)}
.lib-panel .links{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:4px 0 0}
@media (max-width:760px){
  .lib-stage{aspect-ratio:4/5;min-height:0}
  .lib-panel,.lib-reader.flat .lib-panel{left:12px;right:12px;top:auto;bottom:12px;translate:none;width:auto;max-height:52vh;padding:18px;border-radius:16px;background:var(--pane);box-shadow:var(--shadow)}
  .lib-reader.flat .lib-panel{bottom:auto;top:50%;translate:0 -50%;max-height:80vh}
}
@media (prefers-reduced-motion:reduce){.lib-stage canvas,.lib-scrim,.lib-close,.lib-panel{transition:none}}