/* about.html only */
/* token overrides for this page */
:root{ --t-h2:clamp(34px,4.3vw,60px); }
h1 mark{color:var(--accent);background:linear-gradient(var(--accent),var(--accent)) no-repeat 0 100%/100% .065em;padding-bottom:.04em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.anim h1 mark{animation:sweep 1s var(--ease) both;animation-delay:.75s}
/* ---------- about page ---------- */
.a-hero{padding-block:clamp(40px,7vw,96px) 0}
.a-hero .hero-top{align-items:end}
.a-hero h1{font-size:clamp(40px,5.6vw,80px);font-weight:600;line-height:1;letter-spacing:-.045em;max-width:15ch}
.a-hero .portrait-wrap{grid-column:9 / span 4;margin:0}
.a-hero .hero-main{grid-column:span 8}
.a-lead{display:flex;flex-direction:column;gap:18px;margin-top:clamp(28px,4vw,44px);max-width:44ch}
.a-lead p{font-size:var(--t-lead);line-height:1.5;letter-spacing:-.012em;color:var(--muted)}
.a-lead p strong{color:var(--fg);font-weight:500}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1.5px solid var(--line-strong);border-bottom:1px solid var(--line);margin-top:clamp(48px,7vw,88px)}
.facts div{padding:20px 20px 22px 0;display:flex;flex-direction:column;gap:6px;min-width:0}
.facts div+div{padding-left:20px;border-left:1px solid var(--line)}
.facts dt{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.facts dd{margin:0;font-size:17px;font-weight:500;line-height:1.35}
.two{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:32px;align-items:start}
.two .side{grid-column:span 4;display:flex;flex-direction:column;gap:16px;position:sticky;top:100px}
.two .main{grid-column:6 / span 7;min-width:0}
.tl{list-style:none;margin:0;padding:0;position:relative}
.tl li{position:relative;display:grid;grid-template-columns:112px minmax(0,1fr) 168px;gap:24px;padding:28px 0;border-top:1px solid var(--line)}
.tl .thumb{display:block;width:168px;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--stone);align-self:start;margin-top:4px}
.tl .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.2s var(--ease)}
.tl li:hover .thumb img{transform:scale(1.05)}
.tl li:first-child{border-top:1.5px solid var(--line-strong)}
.tl li:last-child{border-bottom:1px solid var(--line)}
.tl time{font-family:var(--f-mono);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:4px}
.tl .body{display:flex;flex-direction:column;gap:8px;min-width:0}
.tl .head{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px}
.tl h3{font-size:var(--t-h4);font-weight:600;letter-spacing:-.022em;line-height:1.2}
.tl .rl{font-size:15px;color:var(--fg);font-weight:500}
.tl p{font-size:16px;line-height:1.55;color:var(--muted);max-width:52ch}
.tl .ind{align-self:flex-start;margin-top:4px;padding:3px 10px;border:1px solid var(--line);border-radius:999px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);transition:border-color .25s,color .25s}
.tl li:hover .ind{border-color:var(--accent);color:var(--accent)}
.tl .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.tl .tags .ind{margin-top:0}
.tl li.now h3{color:var(--accent)}
.edu{list-style:none;margin:0;padding:0}
.edu li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 16px;padding:14px 0;border-top:1px solid var(--line);font-size:15px}
.edu li:last-child{border-bottom:1px solid var(--line)}
.edu b{font-weight:500}
.edu span{color:var(--muted);grid-column:1}
.edu time{grid-column:2;grid-row:1;font-family:var(--f-mono);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.bring-wrap{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:stretch}
.bring-photo{grid-column:span 5;margin:0;position:relative;border-radius:20px;overflow:hidden;background:var(--stone);min-height:420px}
.bring-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 40%;display:block}
.bring-photo figcaption{position:absolute;left:14px;bottom:14px;padding:6px 11px;border-radius:999px;background:var(--surface);color:var(--fg);font-size:13px;font-weight:500}
.bring{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.bring div{display:flex;flex-direction:column;gap:10px;padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:20px;transition:border-color .3s}
.bring div:hover{border-color:var(--accent)}
.bring svg{width:24px;height:24px;stroke:var(--accent);fill:none;stroke-width:1.6;margin-bottom:6px}
.bring h3{font-size:var(--t-h4);font-weight:600;letter-spacing:-.022em;line-height:1.2}
.bring p{font-size:16px;line-height:1.55;color:var(--muted)}
.values{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.values li{display:flex;flex-direction:column;gap:10px;padding-top:20px;border-top:1.5px solid var(--line-strong)}
.values b{font-size:19px;font-weight:600;letter-spacing:-.015em;line-height:1.25}
.values span{font-size:15.5px;line-height:1.5;color:var(--muted)}
.tools{display:flex;flex-wrap:wrap;gap:8px}
.tools span{padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:500;background:var(--surface);transition:border-color .25s,color .25s}
.tools span:hover{border-color:var(--accent);color:var(--accent)}
.links a[aria-current="page"]{color:var(--fg)}
.links a[aria-current="page"]::after{transform:scaleX(1)}
@media (max-width:1024px){
  .a-hero .hero-main{grid-column:span 8}
  .two .side{grid-column:span 12;position:static}
  .two .main{grid-column:span 12}
  .values{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bring{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .a-hero .hero-main{grid-column:span 12;order:2}
  .a-hero .portrait-wrap{grid-column:span 12;order:1;width:120px;margin-top:24px}
  .a-hero .portrait{aspect-ratio:1;border-radius:50%}
  .a-hero .portrait .hi{display:none}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts div:nth-child(3){padding-left:0;border-left:0}
  .facts div:nth-child(n+3){border-top:1px solid var(--line)}
  .tl li{grid-template-columns:1fr;gap:8px}
  .tl .thumb{width:100%;max-width:320px}
  .bring-photo{grid-column:span 12;min-height:0;aspect-ratio:4/3}
  .bring{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
}
/* testimonial */
.quote{margin:0;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:28px;padding-block:clamp(40px,5vw,64px);border-block:1.5px solid var(--line-strong)}
.quote .mark{grid-column:span 2;font-size:clamp(72px,8vw,120px);font-weight:600;line-height:.7;color:var(--accent);letter-spacing:-.05em}
.quote blockquote{grid-column:3 / span 9;margin:0;font-size:clamp(24px,2.9vw,40px);font-weight:500;line-height:1.22;letter-spacing:-.03em;text-wrap:balance}
.quote figcaption{grid-column:3 / span 9;display:flex;align-items:center;gap:14px}
.quote figcaption img{width:52px;height:52px;border-radius:50%;object-fit:cover;background:var(--stone)}
.quote figcaption b{display:block;font-size:15.5px;font-weight:600;color:var(--fg)}
.quote figcaption span span{font-size:14px;color:var(--muted)}
@media (max-width:760px){.quote{row-gap:18px}.quote .mark{grid-column:span 12;font-size:64px;line-height:.5;margin-bottom:-6px}.quote blockquote,.quote figcaption{grid-column:span 12}}
/* portrait x-ray: a loupe under the cursor shows the empty image slot behind the photo */
.portrait .xray{position:absolute;inset:0;z-index:1;pointer-events:none;background:var(--stone);
  -webkit-mask-image:radial-gradient(circle var(--pr,0px) at var(--px,50%) var(--py,40%),#000 calc(100% - 1.5px),transparent 100%);
  mask-image:radial-gradient(circle var(--pr,0px) at var(--px,50%) var(--py,40%),#000 calc(100% - 1.5px),transparent 100%)}
.portrait .hi{z-index:3}
.xray svg{position:absolute;inset:0;width:100%;height:100%}
.xray .xs{fill:color-mix(in srgb,var(--fg) 11%,var(--stone))}
.xray .xg{position:absolute;inset:0;background-image:radial-gradient(circle at center,color-mix(in srgb,var(--fg) 22%,transparent) .7px,transparent 1px);background-size:12px 12px}
.xray .xc{fill:none;stroke:var(--lens);stroke-width:1.25;vector-effect:non-scaling-stroke}
.xray .xt{position:absolute;left:16px;top:16px;height:16px;padding:0 6px;border-radius:2px;background:var(--lens);color:var(--on-lens);font:500 10px/16px var(--f-mono);letter-spacing:.02em;white-space:nowrap}
.portrait .loupe{position:absolute;z-index:2;left:0;top:0;width:calc(var(--pr,0px) * 2);height:calc(var(--pr,0px) * 2);border-radius:50%;pointer-events:none;
  border:1px solid color-mix(in srgb,var(--lens) 60%,transparent);box-shadow:inset 0 0 22px rgba(15,18,24,.10),0 10px 30px -10px rgba(15,18,24,.45);
  transform:translate(calc(var(--px,0px) - 50%),calc(var(--py,0px) - 50%));opacity:var(--po,0)}
@media (max-width:760px){.xray .xt{display:none}}
/* ---------- QA polish: comfortable touch targets, tidy footer and nav at mid widths ---------- */
@media (pointer:coarse){
  .logo{padding-block:10px;margin-block:-10px}
  .ulink{padding-block:10px;margin-block:-10px}
  .crumb a{display:inline-block;padding-block:12px;margin-block:-12px}
  .seg button{height:36px}
  .email a{padding-block:6px;margin-block:-6px}
}
@media (max-width:900px){.nav-right .status{display:none}}
@media (max-width:760px){.foot{flex-direction:column;align-items:flex-start;gap:12px}}
/* ---------- theme transition: the new mode spreads from the toggle like ink in water ---------- */
@property --vr{syntax:'<length>';inherits:true;initial-value:0px}
::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}
:root.vt-ink::view-transition-new(root){
  -webkit-mask-image:
    radial-gradient(circle at var(--vx) var(--vy),#000 var(--vr),transparent calc(var(--vr) + 160px)),
    radial-gradient(circle at calc(var(--vx) - var(--vr) * .2) calc(var(--vy) + var(--vr) * .14),#000 calc(var(--vr) * .86),transparent calc(var(--vr) * .86 + 140px)),
    radial-gradient(circle at calc(var(--vx) + var(--vr) * .06) calc(var(--vy) + var(--vr) * .3),#000 calc(var(--vr) * .74),transparent calc(var(--vr) * .74 + 120px));
  mask-image:
    radial-gradient(circle at var(--vx) var(--vy),#000 var(--vr),transparent calc(var(--vr) + 160px)),
    radial-gradient(circle at calc(var(--vx) - var(--vr) * .2) calc(var(--vy) + var(--vr) * .14),#000 calc(var(--vr) * .86),transparent calc(var(--vr) * .86 + 140px)),
    radial-gradient(circle at calc(var(--vx) + var(--vr) * .06) calc(var(--vy) + var(--vr) * .3),#000 calc(var(--vr) * .74),transparent calc(var(--vr) * .74 + 120px));
  animation:vt-ink 1100ms cubic-bezier(.4,.15,.2,1) both;
}
@keyframes vt-ink{from{--vr:0px}to{--vr:var(--vR)}}