/* /about/: portrait hero, four numbers, background with facts, teaching, publications.
   Layout only; every color, size and radius comes from ka.css tokens. */

/* hero: text left, portrait right; on a phone the portrait sits above the name */
.about-hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px 56px;align-items:center}
.about-hero h1{margin-bottom:16px}
.portrait{display:block;width:200px;height:200px}
.portrait img{display:block;width:100%;height:100%;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh)}
@media (max-width:760px){
  .about-hero .wrap{grid-template-columns:1fr;gap:20px}
  .portrait{order:-1;width:112px;height:112px}
  .portrait img{border-radius:var(--r)}
}

/* four numbers */
.about-nums{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.about-nums .proof p{font-size:var(--fs-sm);line-height:1.45}
@media (max-width:860px){.about-nums{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:400px){.about-nums{gap:8px}.about-nums .proof{padding:14px}}

/* background prose with a facts list beside it */
.about-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;align-items:start}
.about-prose p{font-size:var(--fs-base)}
.about-prose p+p{margin-top:14px}
.facts{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:8px 24px;margin-top:60px}
.facts>div{padding:14px 0}
.facts>div+div{border-top:1px solid var(--line)}
.facts dt{font:700 var(--fs-xs)/1.3 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:4px}
.facts dd{margin:0;font-size:var(--fs-ui);line-height:1.55;color:var(--body)}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;gap:28px}.facts{margin-top:0;padding:4px 20px}}

/* teaching */
.teach{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:28px}
.teach .card{padding:24px}
.teach-n{font:700 var(--fs-xs)/1.3 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.teach h3{font-size:var(--fs-xl);margin-bottom:8px}
.teach p:not(.teach-n){font-size:var(--fs-ui)}
.teach-links{display:flex;flex-wrap:wrap;gap:4px 24px;margin-top:18px}
@media (max-width:860px){.teach{grid-template-columns:1fr;gap:12px}.teach .card{padding:20px}}

/* publications: a plain list, the title is the link */
.pub-group{margin-top:36px;max-width:860px}
.pub-group>h3{font-size:var(--fs-xl);padding-bottom:10px;border-bottom:1px solid var(--line-2)}
.pubs{list-style:none;padding:0;margin:0}
.pubs li{padding:14px 0;border-bottom:1px solid var(--line)}
.pub-t{display:block;font:600 var(--fs-base)/1.45 var(--sans);color:var(--ink);text-decoration:none}
.pub-t:hover{color:var(--blue);text-decoration:underline}
.pub-m{display:block;margin-top:4px;font-size:var(--fs-sm);color:var(--mut)}
.more-btn{display:inline-flex;align-items:center;min-height:44px;margin-top:6px;padding:0;border:0;background:none;font:600 var(--fs-ui)/1.2 var(--sans);color:var(--blue);cursor:pointer}
.more-btn:hover{text-decoration:underline}
.pub-note{max-width:860px;margin-top:28px;padding:18px 20px;background:var(--tint);border:1px solid var(--tint-line);border-radius:var(--r-sm);font-size:var(--fs-ui)}
.pub-note b{color:var(--ink)}
/* the "Show all" clamp only applies on a phone, and only once the script has added .clamp */
@media (min-width:761px){.more-btn{display:none}}
@media (max-width:760px){.pubs.clamp:not(.open) li:nth-child(n+3){display:none}}

/* the numbers row belongs to the hero; keep Background close behind it */
.about-numsec{padding-bottom:clamp(48px,6vw,80px)}