/* ═══════════════════════════════════════════════════════════
   MATERIAL EVIDENCE — v2
   Ink · Paper · Signal.  One accent. Hard edges. Exposed grid.
   ═══════════════════════════════════════════════════════════ */
:root{
  --flex:'Roboto Flex', 'Helvetica Neue', Arial, sans-serif;
  --mono:'JetBrains Mono', ui-monospace, monospace;
  --serif:'Instrument Serif', Georgia, serif;

  --acid:#D6B370;          /* champagne gold — the single signal colour */
  --on-acid:#0A0A0A;

  --e:cubic-bezier(.16,1,.3,1);
  --pad:clamp(16px,4vw,64px);
  --maxw:1560px;
  --nav:64px;
  --bord:1px;
}
/* --tx3 is nudged from the v5 values so that mono/secondary text clears WCAG AA
   on BOTH surfaces. The old #7C7C76 / #65655D passed on --bg but measured 4.46
   and 4.44 against --bg2, and half the sections sit on --bg2. */
html[data-theme="ink"]{
  --bg:#0A0A0A; --bg2:#131313; --tx:#EDEBE4; --tx2:#A8A89E; --tx3:#96968C;
  --line:#242424; --line2:#3A3A38; --shadow:#000;
}
html[data-theme="paper"]{
  -webkit-font-smoothing:antialiased;
  --bg:#EDEBE4; --bg2:#E2E0D7; --tx:#0A0A0A; --tx2:#484840; --tx3:#54544C;
  --line:#CFCDC3; --line2:#A9A79C; --shadow:#0A0A0A;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--bg); color:var(--tx);
  font-family:var(--flex); font-size:16px; line-height:1.5;
  font-variation-settings:'wght' 400,'wdth' 100;
  overflow-x:hidden;
  transition:background .45s var(--e), color .45s var(--e);
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--acid);color:var(--on-acid)}
:focus-visible{outline:2px solid var(--acid);outline-offset:2px}

/* heavy grain — material, printed */
body::after{
  content:'';position:fixed;inset:-50%;z-index:9998;pointer-events:none;
  opacity:.09;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}


/* ── type ── */
.kin{font-family:var(--flex);letter-spacing:-.035em;line-height:.86;text-transform:uppercase;font-variation-settings:'wght' var(--w,700),'wdth' var(--d,100),'opsz' 144}
.d1{font-size:clamp(1.95rem,7.6vw,7.2rem)}   /* min lowered from 2.3rem: at 320px the kinetic width axis pushed ENGINEERING past the gutter */
.d2{font-size:clamp(2.2rem,6.4vw,5.6rem)}
.d3{font-size:clamp(1.6rem,3vw,2.6rem);line-height:.95}
.ser{font-family:var(--serif);font-style:italic;text-transform:none;letter-spacing:-.01em;font-variation-settings:normal}
.mono{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--tx3);font-variation-settings:normal}
.lead{font-size:clamp(1rem,1.25vw,1.2rem);line-height:1.6;color:var(--tx2);max-width:56ch;font-variation-settings:'wght' 400}
p{font-variation-settings:'wght' 400}
b,strong{font-variation-settings:'wght' 600;color:var(--tx)}

/* ── shell ── */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad);position:relative;z-index:1}
section{position:relative;border-top:var(--bord) solid var(--line)}
.sec{padding-block:clamp(56px,7vw,110px)}
.hd{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:clamp(32px,4.5vw,64px);padding-bottom:20px;border-bottom:var(--bord) solid var(--line)}
.idx{font-family:var(--mono);font-size:clamp(2.6rem,5vw,4.6rem);font-weight:700;line-height:.8;color:var(--line2);letter-spacing:-.04em;font-variation-settings:normal}
.hd-r{text-align:right;max-width:34ch}

/* ── accent block (the only place --acid appears) ── */
.blk{background:var(--acid);color:var(--on-acid);padding:.08em .3em;display:inline-block;font-variation-settings:'wght' 700}
.tick{color:var(--acid)}

/* ── reveal ── */
[data-rv]{opacity:0;transform:translateY(20px);transition:opacity .8s var(--e),transform .8s var(--e)}
[data-rv].in{opacity:1;transform:none}
[data-stag]>*{opacity:0;transform:translateY(18px);transition:opacity .7s var(--e),transform .7s var(--e)}
[data-stag].in>*{opacity:1;transform:none}

/* ── crosshair cursor ── */
.xh{position:fixed;z-index:9999;pointer-events:none;top:0;left:0;mix-blend-mode:difference}
.xh::before,.xh::after{content:'';position:absolute;background:#fff}
.xh::before{width:18px;height:1px;left:-9px;top:0}
.xh::after{width:1px;height:18px;left:0;top:-9px}
.xh-r{position:fixed;z-index:9999;pointer-events:none;top:0;left:0;width:0;height:0;border:1px solid var(--acid);margin:0;transition:width .25s var(--e),height .25s var(--e),margin .25s var(--e),opacity .25s;opacity:0}
.xh-r.on{width:52px;height:52px;margin:-26px 0 0 -26px;opacity:1}
@media(hover:none),(pointer:coarse){.xh,.xh-r{display:none}}

/* ── nav ── */
header{position:fixed;top:0;left:0;right:0;z-index:900;height:var(--nav);display:flex;align-items:center;border-bottom:var(--bord) solid transparent;transition:background .35s,border-color .35s}
header.stuck{background:var(--bg);border-bottom-color:var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.logo{font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;display:flex;align-items:center;gap:9px;font-variation-settings:normal}
.logo em{width:8px;height:8px;background:var(--acid);display:block;animation:bl 1.6s steps(1) infinite}
.logo .lg-x{color:var(--tx3)}
/* The header band is a fixed 64px. Once the mono was lifted to 11.5-12px the
   three controls no longer fitted a phone: "Alirezaloo / PhD" broke over two
   lines and "Ink / Paper" over three, both spilling out of the band. Hold them
   on one line, and below 420px drop the credential and tighten the switch. */
.logo,.sw,.bg{white-space:nowrap}
@keyframes bl{50%{opacity:.15}}
nav.mn{display:flex;gap:2px}
nav.mn a{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--tx3);padding:7px 10px;transition:color .25s,background .25s;font-variation-settings:normal}
nav.mn a:hover{color:var(--tx)}
nav.mn a.act{background:var(--acid);color:var(--on-acid)}
.hr{display:flex;align-items:center;gap:8px}
.sw{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line2);padding:8px 12px;transition:background .25s,color .25s,border-color .25s;font-variation-settings:normal}
.sw:hover{background:var(--tx);color:var(--bg);border-color:var(--tx)}
.bg{display:block;border:1px solid var(--line2);padding:9px 12px;font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;transition:background .25s,color .25s,border-color .25s;font-variation-settings:normal}
.bg:hover{background:var(--tx);color:var(--bg);border-color:var(--tx)}
@media(max-width:420px){
  header .wrap{gap:10px}
  .logo .lg-x{display:none}
  .sw{padding:8px 9px;letter-spacing:.03em}
  .bg{padding:9px 10px;letter-spacing:.06em}
}
@media(max-width:1120px){nav.mn{display:none}}
.dw{position:fixed;inset:0;z-index:890;background:var(--bg);padding:calc(var(--nav) + 24px) var(--pad) 24px;display:flex;flex-direction:column;justify-content:center;transform:translateY(-101%);transition:transform .6s var(--e)}
body.open .dw{transform:none}
.dw a{font-family:var(--flex);text-transform:uppercase;font-size:clamp(1.6rem,7vw,3rem);letter-spacing:-.03em;line-height:1.18;font-variation-settings:'wght' 700,'wdth' 90;border-bottom:1px solid var(--line);padding:10px 0;transition:padding-left .3s var(--e),background .25s,color .25s}
.dw a:hover{padding-left:14px;background:var(--acid);color:var(--on-acid)}

.prog{position:fixed;top:0;left:0;height:3px;width:0;background:var(--acid);z-index:9997}

/* ═══ HERO ═══ */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding-top:calc(var(--nav) + 20px);padding-bottom:clamp(18px,3vw,34px);border-top:0;overflow:hidden;position:relative}

.hero .wrap{z-index:2;width:100%}
.hero-top{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:clamp(16px,2.4vw,30px)}

.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.62fr);gap:clamp(24px,4.5vw,70px);align-items:center}

.hero h1{margin-bottom:clamp(18px,2.6vw,30px)}
.hero .lead{max-width:52ch;margin-bottom:clamp(18px,2.4vw,28px)}

/* the portrait — framed, gold-ruled, the single most valuable asset on the page */
.pf{position:relative;aspect-ratio:4/5;border:var(--bord) solid var(--line2);overflow:hidden;background:var(--bg2)}
.pf::after{content:'';position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 -90px 90px -50px var(--bg);}
.pf img{width:100%;height:100%;object-fit:cover;object-position:50% 22%;
  filter:grayscale(.35) contrast(1.08) brightness(1.02);
  transition:filter .8s var(--e),transform 1.4s var(--e)}
.pf:hover img{filter:none;transform:scale(1.025)}
.pf .rule{position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--acid);z-index:2}
.pf .cap{position:absolute;z-index:3;left:14px;right:14px;bottom:16px;display:flex;justify-content:space-between;align-items:flex-end;gap:10px;
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.13em;text-transform:uppercase;color:var(--tx2);font-variation-settings:normal}
.pf .cap b{display:block;color:var(--tx);font-size:12.5px;letter-spacing:.08em;font-weight:700}
.pf .tagn{position:absolute;z-index:3;top:0;left:0;background:var(--acid);color:var(--on-acid);
  font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.13em;padding:4px 8px;font-variation-settings:normal}

/* registration marks */
.marks{display:flex;justify-content:space-between;align-items:center;padding:10px 0 0;margin-top:clamp(18px,3vw,34px);border-top:var(--bord) solid var(--line);font-family:var(--mono);font-size:12px;font-weight:500;color:var(--tx3);font-variation-settings:normal}
.marks .x{font-size:13px;line-height:1;opacity:.7}
.marks .hint{letter-spacing:.15em;text-transform:uppercase;font-size:11px}

.acts{display:flex;flex-wrap:wrap;gap:0;border:var(--bord) solid var(--line2);width:max-content;max-width:100%}
.acts a{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;padding:15px 22px;border-right:var(--bord) solid var(--line2);transition:background .25s,color .25s;display:flex;align-items:center;gap:10px;font-variation-settings:normal}
.acts a:last-child{border-right:0}
.acts a:hover{background:var(--acid);color:var(--on-acid)}
.acts svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2}

@media(max-width:1000px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .hero-grid > .pf-col{order:-1;max-width:340px}
  .pf{aspect-ratio:3/2}
  .pf img{object-position:50% 18%}
}

/* ═══ TICKER ═══ */
/* b,strong pin themselves to --tx, which is cream and all but invisible on the
   gold block (1.7:1). Re-point the token inside every gold context instead of
   chasing each element: the ticker's figures and the prev/next titles are <b>. */
.tik{border-top:var(--bord) solid var(--line);border-bottom:var(--bord) solid var(--line);overflow:hidden;background:var(--acid);color:var(--on-acid);--tx:var(--on-acid)}
.tik-t{display:flex;width:max-content;animation:tk 40s linear infinite}
.tik:hover .tik-t{animation-play-state:paused}
@keyframes tk{to{transform:translateX(-50%)}}
.tik-s{display:flex}
.tik-i{display:flex;align-items:center;gap:10px;padding:13px 26px;white-space:nowrap;font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:500;border-right:1px solid rgba(10,10,10,.22);font-variation-settings:normal}
.tik-i b{font-family:var(--flex);font-size:19px;font-variation-settings:'wght' 800,'wdth' 80;letter-spacing:-.02em}

/* ═══ ABOUT ═══ */
.ab{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(24px,4vw,70px)}
.ab-l{position:sticky;top:calc(var(--nav) + 28px);align-self:start}
.ab p{margin-bottom:18px;color:var(--tx2);line-height:1.7;font-size:clamp(.98rem,1.15vw,1.08rem);max-width:62ch}
.ab p:first-of-type{font-size:clamp(1.15rem,1.6vw,1.5rem);color:var(--tx);line-height:1.42;font-variation-settings:'wght' 420}
.figs{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;margin-top:26px}
.figs .ph{aspect-ratio:3/4}
.edu{margin-top:36px;border-top:var(--bord) solid var(--line)}
.edu-r{display:grid;grid-template-columns:110px minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:baseline;padding:14px 0;border-bottom:var(--bord) solid var(--line);transition:background .3s,padding-inline .35s var(--e)}
.edu-r:hover{background:var(--bg2);padding-inline:10px}
.edu-r b{font-variation-settings:'wght' 550;font-size:15px}
.edu-r span:last-child{font-family:var(--mono);font-size:12.5px;color:var(--tx2);letter-spacing:.06em;text-align:right;font-variation-settings:normal}
/* the three-column education row has no narrow layout of its own; below 700px the
   institution name pushes past the gutter, so stack it. */
@media(max-width:700px){
  .edu-r{grid-template-columns:minmax(0,1fr);gap:3px;align-items:start}
  .edu-r span:last-child{text-align:left}
}

/* ═══ IMAGE PLACEHOLDER SYSTEM ═══ */
.ph{position:relative;overflow:hidden;background:var(--bg2);border:var(--bord) solid var(--line)}
.ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.18) brightness(.9);transition:filter .7s var(--e),transform 1.1s var(--e)}
.ph:hover img{filter:grayscale(.15) contrast(1.05) brightness(1);transform:scale(1.03)}
.ph::before{ /* SAMPLE ribbon */
  content:'SAMPLE';position:absolute;z-index:3;top:0;left:0;
  font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.14em;
  background:var(--acid);color:var(--on-acid);padding:3px 7px;
;font-variation-settings:normal}
.ph[data-real]::before{display:none}
.ph figcaption{
  position:absolute;z-index:3;bottom:0;left:0;right:0;
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--tx);background:color-mix(in srgb,var(--bg) 86%,transparent);
  padding:6px 8px;border-top:1px solid var(--line);
  opacity:0;transform:translateY(100%);transition:.4s var(--e);
;font-variation-settings:normal}
.ph:hover figcaption{opacity:1;transform:none}

/* ═══ TIMELINE ═══ */
.tl{border-top:var(--bord) solid var(--line)}
.tl-i{display:grid;grid-template-columns:130px minmax(0,1.1fr) minmax(0,1fr);gap:clamp(14px,2.5vw,36px);padding:clamp(20px,2.4vw,32px) 0;border-bottom:var(--bord) solid var(--line);position:relative;transition:background .35s,padding-inline .4s var(--e)}
.tl-i:hover{background:var(--bg2);padding-inline:14px}
.tl-i:hover .tl-y{background:var(--acid);color:var(--on-acid)}
.tl-y{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;font-weight:700;color:var(--tx3);align-self:start;padding:3px 6px;margin-left:-6px;transition:background .3s,color .3s;font-variation-settings:normal}
.tl-i h4{font-size:clamp(1.05rem,1.6vw,1.35rem);font-variation-settings:'wght' 600,'wdth' 95;letter-spacing:-.018em;line-height:1.2;margin-bottom:6px}
.tl-i .org{font-family:var(--mono);font-size:12.5px;color:var(--tx2);letter-spacing:.05em;line-height:1.6;font-variation-settings:normal}
.tl-i .dsc{font-size:14px;color:var(--tx2);line-height:1.6}
.tg{display:flex;flex-wrap:wrap;gap:5px;margin-top:11px}
.tg span{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--tx3);border:1px solid var(--line);padding:3px 7px;font-variation-settings:normal}

/* ═══ PATENTS ═══ */
.pt{border-top:var(--bord) solid var(--line)}
.pr{display:grid;grid-template-columns:58px minmax(0,1fr) 150px 44px;gap:clamp(12px,2vw,30px);align-items:center;padding:clamp(16px,2vw,26px) 0;border-bottom:var(--bord) solid var(--line);cursor:pointer;transition:background .3s,padding-inline .4s var(--e)}
.pr:hover{background:var(--acid);color:var(--on-acid);padding-inline:16px}
.pr:hover .pn,.pr:hover .pi,.pr:hover .pi b{color:var(--on-acid)}
.pr:hover .pa{border-color:var(--on-acid)}
.pr:hover .pa svg{stroke:var(--on-acid);transform:rotate(45deg)}
.pn{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--tx3);transition:color .3s;font-variation-settings:normal}
.pt-t{font-size:clamp(1.4rem,3.2vw,2.7rem);font-variation-settings:'wght' 750,'wdth' 88;text-transform:uppercase;letter-spacing:-.03em;line-height:.95}
.pi{font-family:var(--mono);font-size:12.5px;color:var(--tx2);letter-spacing:.06em;text-align:right;line-height:1.7;transition:color .3s;font-variation-settings:normal}
.pi b{display:block;font-size:17px;font-weight:700;color:var(--tx);letter-spacing:-.01em;transition:color .3s}
.pa{width:44px;height:44px;border:1px solid var(--line2);display:grid;place-items:center;transition:border-color .3s}
.pa svg{width:14px;height:14px;stroke:var(--tx);fill:none;stroke-width:2;transition:transform .4s var(--e),stroke .3s}
.pr.op{background:var(--acid);color:var(--on-acid)}
.pr.op .pn,.pr.op .pi,.pr.op .pi b{color:var(--on-acid)}
.pr.op .pa{border-color:var(--on-acid)}
.pr.op .pa svg{stroke:var(--on-acid);transform:rotate(90deg)}
.px{display:grid;grid-template-rows:0fr;transition:grid-template-rows .55s var(--e);border-bottom:var(--bord) solid var(--line)}
.pr.op + .px{grid-template-rows:1fr}
.px>div{overflow:hidden}
.pxi{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(16px,3vw,40px);padding:clamp(20px,3vw,38px) 0;align-items:start}
.pxi .ph{aspect-ratio:16/11}
.pxi p{color:var(--tx2);line-height:1.68;font-size:14.5px;margin-bottom:20px}
.spec{display:grid;grid-template-columns:repeat(2,1fr);border-top:var(--bord) solid var(--line);border-left:var(--bord) solid var(--line)}
.spec div{border-right:var(--bord) solid var(--line);border-bottom:var(--bord) solid var(--line);padding:12px 14px}
.spec .mono{display:block;margin-bottom:4px;font-size:11px}
.spec b{font-size:15px;font-variation-settings:'wght' 600}
.tms{display:flex;flex-wrap:wrap;gap:0;margin-top:32px;border:var(--bord) solid var(--line);width:max-content;max-width:100%}
.tms span{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;padding:11px 15px;border-right:var(--bord) solid var(--line);color:var(--tx2);transition:background .25s,color .25s;font-variation-settings:normal}
.tms span:last-child{border-right:0}
.tms span:hover{background:var(--acid);color:var(--on-acid)}

/* ═══ RESEARCH ═══ */
.rs{border-top:var(--bord) solid var(--line)}
.rr{display:grid;grid-template-columns:64px minmax(0,1fr) 130px;gap:clamp(12px,2vw,28px);padding:18px 0;border-bottom:var(--bord) solid var(--line);align-items:start;transition:background .3s,padding-inline .4s var(--e)}
.rr:hover{background:var(--bg2);padding-inline:12px}
.rr .y{font-family:var(--mono);font-size:12.5px;font-weight:700;color:var(--tx3);font-variation-settings:normal}
.rr h4{font-size:clamp(.98rem,1.25vw,1.1rem);font-variation-settings:'wght' 500;line-height:1.38;letter-spacing:-.008em;margin-bottom:5px}
.rr .j{font-family:var(--mono);font-size:12.5px;color:var(--tx2);line-height:1.75;letter-spacing:.02em;font-variation-settings:normal}
.rr .j b{color:var(--tx2);font-weight:700}
.bd{font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;padding:4px 8px;border:1px solid var(--line2);color:var(--tx3);white-space:nowrap;justify-self:end;align-self:center;font-variation-settings:normal}
.bd.hot{background:var(--acid);color:var(--on-acid);border-color:var(--acid);font-weight:700}
.ajot{margin-top:36px;border:var(--bord) solid var(--line2);display:grid;grid-template-columns:auto minmax(0,1fr);gap:0;align-items:center}
.ajot .big{background:var(--acid);color:var(--on-acid);padding:clamp(22px,3vw,38px);font-variation-settings:'wght' 800,'wdth' 80;font-size:clamp(2rem,4.4vw,3.6rem);letter-spacing:-.04em;line-height:.85;text-transform:uppercase;align-self:stretch;display:grid;align-content:center}
.ajot .big small{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;font-weight:700;margin-top:8px;font-variation-settings:normal}
.ajot .txt{padding:clamp(20px,2.6vw,34px)}
.ajot .txt p{color:var(--tx2);font-size:14px;line-height:1.68;max-width:64ch}

/* ═══ AWARDS ═══ */
.aw{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));border-top:var(--bord) solid var(--line);border-left:var(--bord) solid var(--line)}
.aw article{border-right:var(--bord) solid var(--line);border-bottom:var(--bord) solid var(--line);padding:clamp(20px,2.2vw,28px);min-height:190px;display:flex;flex-direction:column;justify-content:space-between;gap:20px;transition:background .3s,color .3s}
.aw article:hover{background:var(--acid);color:var(--on-acid)}
.aw article:hover .mono,.aw article:hover p{color:var(--on-acid)}
.aw h4{font-size:clamp(.98rem,1.2vw,1.1rem);font-variation-settings:'wght' 600;line-height:1.28;letter-spacing:-.012em;margin-bottom:7px}
.aw p{font-size:14.5px;color:var(--tx2);line-height:1.55}
.aw .yr{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;font-weight:700;font-variation-settings:normal}
.aw .big-a{grid-column:span 2;background:var(--acid);color:var(--on-acid)}
.aw .big-a .mono,.aw .big-a p{color:var(--on-acid)}
.aw .big-a h4{font-size:clamp(1.3rem,2.4vw,2rem);font-variation-settings:'wght' 750,'wdth' 92;text-transform:uppercase;letter-spacing:-.025em;line-height:1}
@media(max-width:700px){.aw .big-a{grid-column:span 1}}

/* ═══ PRODUCTS ═══ */
.pd{display:grid;grid-template-columns:repeat(12,1fr);gap:8px}
.pc{position:relative;border:var(--bord) solid var(--line);overflow:hidden;min-height:320px;display:flex;flex-direction:column;justify-content:flex-end;transition:border-color .35s}
.pc:hover{border-color:var(--acid)}
.pc .ph{position:absolute;inset:0;border:0}
.pc .ph::before{display:none}
.pc .in{position:relative;z-index:2;padding:clamp(18px,2vw,26px);background:linear-gradient(to top,var(--bg) 22%,color-mix(in srgb,var(--bg) 60%,transparent) 62%,transparent)}
.pc .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;background:var(--acid);color:var(--on-acid);padding:3px 7px;display:inline-block;margin-bottom:10px;font-weight:700;font-variation-settings:normal}
.pc h3{font-size:clamp(1.4rem,2.4vw,2.1rem);font-variation-settings:'wght' 800,'wdth' 85;text-transform:uppercase;letter-spacing:-.03em;line-height:.94;margin-bottom:8px}
.pc p{font-size:15px;color:var(--tx2);line-height:1.58;max-width:42ch}
.pc .m{display:flex;gap:20px;margin-top:16px;padding-top:14px;border-top:var(--bord) solid var(--line2)}
.pc .m div span{display:block;font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.13em;text-transform:uppercase;color:var(--tx3);margin-bottom:2px;font-variation-settings:normal}
.pc .m div b{font-size:1.3rem;font-variation-settings:'wght' 800,'wdth' 80;letter-spacing:-.02em}
.w8{grid-column:span 8}.w4{grid-column:span 4}.tall{min-height:440px}
@media(max-width:900px){.w8,.w4{grid-column:span 12}}

/* ═══ MEDIA ═══ */
.md{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));border-top:var(--bord) solid var(--line);border-left:var(--bord) solid var(--line)}
.md article{border-right:var(--bord) solid var(--line);border-bottom:var(--bord) solid var(--line);display:flex;flex-direction:column;transition:background .3s}
.md article:hover{background:var(--bg2)}
.md .ph{aspect-ratio:16/9;border:0;border-bottom:var(--bord) solid var(--line)}
.md .b{padding:16px 18px 20px;display:flex;flex-direction:column;gap:7px;flex:1}
.md .net{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;background:var(--acid);color:var(--on-acid);padding:3px 6px;align-self:flex-start;font-weight:700;font-variation-settings:normal}
.md h4{font-size:14.5px;font-variation-settings:'wght' 550;line-height:1.32;letter-spacing:-.01em}
.md p{font-size:14.5px;color:var(--tx2);line-height:1.55;flex:1}
.md .dt{font-family:var(--mono);font-size:12.5px;color:var(--tx2);letter-spacing:.1em;font-variation-settings:normal}
.prs{display:flex;flex-wrap:wrap;gap:0;margin-top:26px;border:var(--bord) solid var(--line);width:max-content;max-width:100%}
.prs span{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.1em;padding:10px 14px;border-right:var(--bord) solid var(--line);color:var(--tx3);transition:background .25s,color .25s;font-variation-settings:normal}
.prs span:last-child{border-right:0}
.prs span:hover{background:var(--tx);color:var(--bg)}

/* ═══ CONFERENCES ═══ */
.cf{display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr);gap:clamp(22px,4vw,64px);align-items:start}
.st{border-top:var(--bord) solid var(--line2)}
.st .r{display:flex;justify-content:space-between;align-items:baseline;padding:14px 0;border-bottom:var(--bord) solid var(--line)}
.st .r b{font-size:clamp(1.7rem,3vw,2.6rem);font-variation-settings:'wght' 800,'wdth' 78;letter-spacing:-.035em;font-family:var(--flex)}
.cl{border-top:var(--bord) solid var(--line)}
.ci{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:clamp(10px,2vw,24px);padding:15px 0;border-bottom:var(--bord) solid var(--line);align-items:center;transition:background .3s,padding-inline .4s var(--e)}
.ci:hover{background:var(--bg2);padding-inline:12px}
.ci .y{font-family:var(--mono);font-size:12.5px;font-weight:700;color:var(--tx3);font-variation-settings:normal}
.ci h4{font-size:14px;font-variation-settings:'wght' 480;line-height:1.35}
.ci .rl{font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--acid);margin-top:4px;display:inline-block;font-variation-settings:normal}
html[data-theme="paper"] .ci .rl{color:var(--on-acid);background:var(--acid);padding:2px 5px}
.ci .lc{font-family:var(--mono);font-size:12.5px;color:var(--tx2);letter-spacing:.05em;line-height:1.6;text-align:right;font-variation-settings:normal}
.mb{margin-top:22px;font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.13em;text-transform:uppercase;border:1px solid var(--line2);padding:11px 18px;transition:background .25s,color .25s;font-variation-settings:normal}
.mb:hover{background:var(--acid);color:var(--on-acid);border-color:var(--acid)}
.hid{display:none}

/* ═══ GALLERY ═══ */
.gl{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.gl .ph{overflow:hidden}
.a1{grid-column:span 3;aspect-ratio:16/10}
.a2{grid-column:span 2;aspect-ratio:3/4}
.a3{grid-column:span 1;aspect-ratio:1/2}
.a4{grid-column:span 2;aspect-ratio:1}
.a5{grid-column:span 4;aspect-ratio:2/1}
@media(max-width:820px){.gl{grid-template-columns:repeat(2,1fr)}.a1,.a2,.a3,.a4,.a5{grid-column:span 2;aspect-ratio:4/3}}

/* ═══ QUOTES ═══ */
.qs{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(290px,100%),1fr));border-top:var(--bord) solid var(--line);border-left:var(--bord) solid var(--line)}
.qs article{border-right:var(--bord) solid var(--line);border-bottom:var(--bord) solid var(--line);padding:clamp(22px,2.4vw,32px);display:flex;flex-direction:column;gap:20px;transition:background .3s}
.qs article:hover{background:var(--bg2)}
.qs blockquote{font-family:var(--serif);font-style:italic;font-size:clamp(1.1rem,1.5vw,1.32rem);line-height:1.4;flex:1}
.qs .by{border-top:var(--bord) solid var(--line);padding-top:14px}
.qs .by b{display:block;font-size:14.5px;font-variation-settings:'wght' 600}
.qs .by span{font-family:var(--mono);font-size:12px;color:var(--tx2);letter-spacing:.06em;line-height:1.6;font-variation-settings:normal}
.qs .todo{border-style:dashed;border-color:var(--line2)}
.qs .todo blockquote{font-family:var(--mono);font-style:normal;font-size:14px;line-height:1.7;color:var(--tx2);text-transform:none;letter-spacing:0;font-variation-settings:normal}

/* ═══ PARTNERS ═══ */
.pn-g{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));border-top:var(--bord) solid var(--line);border-left:var(--bord) solid var(--line)}
.pn-g a{border-right:var(--bord) solid var(--line);border-bottom:var(--bord) solid var(--line);padding:clamp(20px,2.2vw,28px);display:flex;flex-direction:column;gap:10px;transition:background .3s,color .3s;position:relative}
.pn-g a:hover{background:var(--acid);color:var(--on-acid)}
.pn-g a:hover .mono,.pn-g a:hover .ds{color:var(--on-acid)}
.pn-g a:hover svg{stroke:var(--on-acid);opacity:1}
.pn-g svg{position:absolute;top:18px;right:18px;width:13px;height:13px;stroke:var(--tx3);fill:none;stroke-width:2;opacity:.4;transition:.3s}
.pn-g b{font-size:15px;font-variation-settings:'wght' 620;line-height:1.25;padding-right:22px;letter-spacing:-.012em}
.pn-g .ds{font-size:14.5px;color:var(--tx2);line-height:1.55}

/* ═══ IMPACT ═══ */
.im{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(24px,4vw,64px);align-items:center}
.gb{width:100%;max-width:520px;margin-inline:auto}
.gb svg{width:100%;height:auto;overflow:visible}
.gb .ln{stroke:var(--line2);fill:none;stroke-width:.6}
.gb .rg{stroke:var(--line2);fill:none;stroke-width:1}
.gb .ac{stroke:var(--acid);fill:none;stroke-width:1.4;stroke-dasharray:var(--l);stroke-dashoffset:var(--l);animation:dr 2.6s var(--e) forwards}
@keyframes dr{to{stroke-dashoffset:0}}
.gb .nd{fill:var(--acid)}
.gb .hl{fill:none;stroke:var(--acid);stroke-width:1;animation:pg 3s ease-out infinite}
@keyframes pg{0%{opacity:.9;r:3}70%,100%{opacity:0;r:16}}
.gb .cty{font-family:var(--mono);font-size:9px;letter-spacing:.1em;fill:var(--tx2);text-transform:uppercase;font-weight:700;font-variation-settings:normal}
/* the globe SVG scales with its container, so the label shrinks below the
   520px cap — put the user units back on narrow screens. */
@media(max-width:560px){.gb .cty{font-size:12px;letter-spacing:.06em}}
.mk{border-top:var(--bord) solid var(--line)}
.mk .r{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:16px;align-items:center;padding:15px 0;border-bottom:var(--bord) solid var(--line);transition:background .3s,padding-inline .4s var(--e)}
.mk .r:hover{background:var(--bg2);padding-inline:12px}
.mk .cc{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--tx3);letter-spacing:.08em;font-variation-settings:normal}
.mk b{font-size:15px;font-variation-settings:'wght' 600}
.mk .d{display:block;font-size:14.5px;color:var(--tx2);margin-top:2px;line-height:1.45}
.mk .v{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line2);padding:4px 9px;white-space:nowrap;color:var(--tx2);font-variation-settings:normal}
.nums{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(120px,100%),1fr));border-top:var(--bord) solid var(--line);border-left:var(--bord) solid var(--line);margin-top:32px}
.nums div{border-right:var(--bord) solid var(--line);border-bottom:var(--bord) solid var(--line);padding:18px}
.nums b{display:block;font-size:clamp(1.7rem,2.8vw,2.5rem);font-variation-settings:'wght' 800,'wdth' 76;letter-spacing:-.04em;line-height:1}
.nums span{display:block;font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.11em;text-transform:uppercase;color:var(--tx2);margin-top:7px;font-variation-settings:normal}

/* ═══ CONTACT ═══ */
.ct{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(26px,4vw,70px);align-items:start}
.cl-l{border-top:var(--bord) solid var(--line2);margin-top:30px}
.cl-l a,.cl-l div{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:17px 0;border-bottom:var(--bord) solid var(--line);transition:background .3s,padding-inline .4s var(--e)}
.cl-l a:hover{background:var(--acid);color:var(--on-acid);padding-inline:14px}
.cl-l a:hover .mono{color:var(--on-acid)}
.cl-l .v{font-size:clamp(.95rem,1.2vw,1.08rem);font-variation-settings:'wght' 500;word-break:break-word;text-align:right}
form{display:grid;gap:8px}
.fr{position:relative}
.fr label{position:absolute;top:11px;left:13px;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.13em;text-transform:uppercase;color:var(--tx3);pointer-events:none;transition:color .3s;font-variation-settings:normal}
.fr input,.fr textarea{width:100%;background:var(--bg2);border:var(--bord) solid var(--line);padding:28px 13px 11px;color:var(--tx);font-family:var(--flex);font-size:15px;resize:vertical;transition:border-color .3s}
.fr textarea{min-height:120px}
.fr input:focus,.fr textarea:focus{outline:none;border-color:var(--acid)}
.fr input:focus+label,.fr textarea:focus+label{color:var(--acid)}
button[type=submit]{margin-top:6px;background:var(--acid);color:var(--on-acid);font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;padding:16px;transition:filter .25s;font-variation-settings:normal}
button[type=submit]:hover{filter:brightness(1.12)}
.fn{font-family:var(--mono);font-size:12px;color:var(--tx2);letter-spacing:.04em;line-height:1.7;margin-top:4px;font-variation-settings:normal}

/* ═══ FOOTER ═══ */
footer{border-top:var(--bord) solid var(--line);padding-block:clamp(36px,4vw,60px) 26px;overflow:hidden}
.fbig{font-size:clamp(2rem,12.4vw,11rem);font-variation-settings:'wght' 780,'wdth' 100;text-transform:uppercase;letter-spacing:-.012em;line-height:.9;white-space:nowrap;margin-bottom:clamp(26px,4vw,50px);color:var(--tx)}
.fb{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;align-items:center;padding-top:20px;border-top:var(--bord) solid var(--line)}
.fb .mono{line-height:1.7}
.soc{display:flex;border:var(--bord) solid var(--line)}
.soc a{width:40px;height:40px;display:grid;place-items:center;border-right:var(--bord) solid var(--line);transition:background .25s}
.soc a:last-child{border-right:0}
.soc a:hover{background:var(--acid)}
.soc a:hover svg{stroke:var(--on-acid)}
.soc svg{width:15px;height:15px;stroke:var(--tx);fill:none;stroke-width:1.8;transition:stroke .25s}

@media(max-width:1000px){
  .ab,.cf,.im,.ct,.pxi,.hero-btm{grid-template-columns:minmax(0,1fr)}
  .ab-l{position:static}
  .ajot{grid-template-columns:minmax(0,1fr)}
  .hero-fig{display:none}
}
@media(max-width:760px){
  .tl-i,.rr,.ci{grid-template-columns:minmax(0,1fr);gap:8px}
  .bd{justify-self:start}
  .pr{grid-template-columns:44px minmax(0,1fr) 44px;row-gap:8px}
  .pi{grid-column:2/-1;text-align:left}
  .pi b{display:inline;margin-right:8px;font-size:14px}
  .spec{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .cl-l a,.cl-l div{flex-direction:column;align-items:flex-start;gap:4px}
  .cl-l .v{text-align:left}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  [data-rv],[data-stag]>*{opacity:1;transform:none}
  .hero h1 .ln>span{transform:none}
  .gb .ac{stroke-dashoffset:0}
}
/* ── PAPER THEME: acid is high-contrast only as a BLOCK.
      Anywhere it was used as a hairline / thin stroke / text, swap to ink. ── */
html[data-theme="paper"] .tick{background:var(--acid);color:var(--on-acid);padding:1px 5px}
html[data-theme="paper"] .prog{background:var(--tx)}
html[data-theme="paper"] .xh-r{border-color:var(--tx)}
html[data-theme="paper"] .gb .ac{stroke:var(--tx)}
html[data-theme="paper"] .gb .nd{fill:var(--tx)}
html[data-theme="paper"] .gb .hl{stroke:var(--tx)}
html[data-theme="paper"] .fr input:focus,
html[data-theme="paper"] .fr textarea:focus{border-color:var(--tx)}
html[data-theme="paper"] .fr input:focus+label,
html[data-theme="paper"] .fr textarea:focus+label{color:var(--tx)}
html[data-theme="paper"] :focus-visible{outline-color:var(--tx)}
html[data-theme="paper"] .pc:hover{border-color:var(--tx)}
html[data-theme="paper"] .logo em{outline:1px solid var(--tx);outline-offset:-1px}

/* ── LOADER ── */
.load{position:fixed;inset:0;z-index:9990;background:var(--bg);display:grid;place-items:center;
  transition:clip-path 1s var(--e);clip-path:inset(0 0 0 0)}
.load.done{clip-path:inset(0 0 100% 0);pointer-events:none}
.load-in{display:flex;flex-direction:column;align-items:center;gap:16px;width:min(420px,72vw)}
.load-bar{width:100%;height:3px;background:var(--line);overflow:hidden}
.load-bar i{display:block;height:100%;width:0;background:var(--acid)}
html[data-theme="paper"] .load-bar i{background:var(--tx)}
.load-n{position:absolute;left:var(--pad);bottom:clamp(20px,5vh,56px);
  font-family:var(--flex);font-variation-settings:'wght' 800,'wdth' 70;
  font-size:clamp(3.5rem,11vw,9rem);letter-spacing:-.05em;line-height:.8}
body.loading{overflow:hidden}

.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-9999px;top:8px;z-index:9999;background:var(--acid);color:var(--on-acid);padding:10px 16px;font-family:var(--mono);font-size:12px;font-variation-settings:normal}
.skip:focus{left:16px}