/* ==========================================================================
   Academic homepage — minimal, al-folio inspired.
   Colours live in the custom properties below; change --acc to re-skin.
   ========================================================================== */

:root{
  --ink:#1b1d20; --ink2:#343a3e; --mut:#6b757b; --faint:#98a1a6;
  --acc:#10635c; --acc-2:#0c4f49; --acc-soft:#e7f1ef;
  --line:#e4e7e8; --line2:#f0f2f3;
  --bg:#ffffff; --card:#ffffff; --code:#f6f8f8;
  --maxw:880px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ink:#e7eaea; --ink2:#c6cdcd; --mut:#929b9c; --faint:#6c7677;
    --acc:#5cbfb2; --acc-2:#7ad0c4; --acc-soft:#123030;
    --line:#2a2f31; --line2:#222728;
    --bg:#121516; --card:#181c1d; --code:#1b2021;
  }
}
:root[data-theme="dark"]{
  --ink:#e7eaea; --ink2:#c6cdcd; --mut:#929b9c; --faint:#6c7677;
  --acc:#5cbfb2; --acc-2:#7ad0c4; --acc-soft:#123030;
  --line:#2a2f31; --line2:#222728;
  --bg:#121516; --card:#181c1d; --code:#1b2021;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
code{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:.9em;
  background:var(--code);padding:1px 5px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* Optional full-page background animation (see _build/assets/bg.js). Sits
   behind everything, never intercepts clicks, and is skipped entirely by
   bg.js itself when the visitor asked for reduced motion -- this rule is
   just a second, CSS-only line of defence. */
#bg-anim{position:fixed;inset:0;z-index:-1;pointer-events:none;display:block}
@media (prefers-reduced-motion:reduce){#bg-anim{display:none}}

.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:var(--acc);color:#fff;padding:8px 14px;border-radius:6px;z-index:99}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:3px}

/* ---------- header / footer ---------- */
header.site{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;
  background:var(--bg);background:color-mix(in srgb,var(--bg) 92%,transparent);
  backdrop-filter:saturate(1.4) blur(8px)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding-top:17px;padding-bottom:17px;flex-wrap:wrap}
.brand{font-size:19px;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.brand:hover{text-decoration:none;color:var(--acc)}
.brand span{color:var(--mut);font-weight:400;font-size:15px}
nav.main{display:flex;gap:21px;align-items:center;font-size:15px;flex-wrap:wrap}
nav.main a{color:var(--ink2)}
nav.main a.cur{color:var(--acc);font-weight:500}
.themebtn{background:none;border:1px solid var(--line);border-radius:6px;width:32px;height:32px;
  cursor:pointer;color:var(--mut);display:flex;align-items:center;justify-content:center;padding:0}
.themebtn:hover{color:var(--ink);border-color:var(--mut)}
.themebtn svg{width:16px;height:16px}
/* The button shows the theme you would switch to: moon while light, sun while dark. */
.themebtn .i-sun{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .themebtn .i-moon{display:none}
  :root:not([data-theme="light"]) .themebtn .i-sun{display:block}
}
:root[data-theme="dark"] .themebtn .i-moon{display:none}
:root[data-theme="dark"] .themebtn .i-sun{display:block}
:root[data-theme="light"] .themebtn .i-moon{display:block}
:root[data-theme="light"] .themebtn .i-sun{display:none}
footer.site{border-top:1px solid var(--line);margin-top:64px;padding:26px 0 48px;
  color:var(--faint);font-size:13.5px}
footer.site .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- hero ---------- */
.hero{padding:54px 0 4px}
.portrait{float:right;width:236px;max-width:42%;margin:6px 0 26px 40px;border-radius:7px;display:block}
.portrait.small{width:150px}
h1.name{font-size:clamp(33px,5.4vw,45px);font-weight:600;letter-spacing:-.033em;
  line-height:1.09;margin:0 0 12px}
.role{color:var(--mut);font-size:17px;line-height:1.55;margin:0 0 26px}
.role strong{color:var(--ink2);font-weight:500}
.bio p{font-size:16.5px;line-height:1.75;color:var(--ink2);margin:0 0 18px}
.bio em{color:var(--ink)}
.social{clear:both;display:flex;gap:9px;flex-wrap:wrap;padding-top:10px}
.social a{display:inline-flex;align-items:center;font-size:14px;color:var(--ink2);
  border:1px solid var(--line);border-radius:999px;padding:6px 15px;transition:.15s}
.social a:hover{text-decoration:none;border-color:var(--acc);color:var(--acc);background:var(--acc-soft)}

/* ---------- sections ---------- */
h2.sec{font-size:13px;text-transform:uppercase;letter-spacing:.14em;color:var(--mut);
  font-weight:600;margin:56px 0 6px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.hero + section h2.sec{margin-top:48px}
.seclead{font-size:15.5px;color:var(--mut);margin:14px 0 22px;line-height:1.6}
.more{display:inline-block;margin-top:20px;font-size:14.5px;font-weight:500}
h3.ygroup{font-family:'IBM Plex Mono',monospace;font-size:13px;font-weight:500;color:var(--faint);
  letter-spacing:.06em;margin:26px 0 2px;padding-bottom:6px;border-bottom:1px dashed var(--line)}

/* ---------- research threads ---------- */
.threads{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.thread{border:1px solid var(--line);border-radius:10px;padding:22px 20px;background:var(--card);
  transition:.16s;color:inherit;display:block}
.thread:hover{border-color:var(--acc);box-shadow:0 5px 20px rgba(16,99,92,.09);text-decoration:none}
.thread .ic{width:32px;height:32px;border-radius:8px;background:var(--acc-soft);color:var(--acc);
  display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;
  font-weight:500;font-size:14px;margin-bottom:14px}
.thread h3{font-size:16.5px;font-weight:600;margin:0 0 7px;letter-spacing:-.01em;color:var(--ink)}
.thread p{font-size:14.5px;line-height:1.62;color:var(--mut);margin:0}

/* ---------- news ---------- */
ul.news{list-style:none;padding:0;margin:18px 0 0}
ul.news li{display:flex;gap:24px;padding:11px 0;border-bottom:1px solid var(--line2);
  font-size:15.5px;line-height:1.58;color:var(--ink2)}
ul.news li:last-child{border-bottom:0}
ul.news li p{margin:0}
ul.news time{flex:0 0 92px;color:var(--faint);font-family:'IBM Plex Mono',monospace;
  font-size:13px;padding-top:3px}

/* ---------- publications ---------- */
.pub{display:flex;gap:24px;padding:16px 0;border-bottom:1px solid var(--line2)}
.pub .yr{flex:0 0 74px;font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--faint);padding-top:4px}
.pub .t{font-size:16px;font-weight:500;line-height:1.45;margin:0 0 6px;color:var(--ink)}
.pub .a{font-size:14.5px;color:var(--mut);line-height:1.55;margin:0 0 6px}
.pub .a strong{color:var(--ink2);font-weight:600}
.pub .j{font-size:14px;color:var(--mut);margin:0}
.pub .j i{color:var(--ink2);font-style:italic}
.badge{display:inline-block;font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;
  font-weight:600;border:1px solid var(--acc);color:var(--acc);border-radius:3px;
  padding:1px 6px;margin-left:8px;vertical-align:2px;white-space:nowrap}
.bibtn{font:inherit;font-size:14px;background:none;border:0;padding:0;color:var(--acc);cursor:pointer}
.bibtn:hover{text-decoration:underline}
pre.bib{background:var(--code);border:1px solid var(--line);border-radius:7px;padding:13px 15px;
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;line-height:1.55;overflow-x:auto;
  margin:11px 0 2px;color:var(--ink2)}

.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:4px 0 6px}
.filters input,.filters select{font:inherit;font-size:14.5px;color:var(--ink);background:var(--card);
  border:1px solid var(--line);border-radius:7px;padding:8px 11px}
.filters input{flex:1 1 230px;min-width:180px}
.filters .count{font-size:13.5px;color:var(--faint);font-family:'IBM Plex Mono',monospace}
.filters .dl{font-size:14px;margin-left:auto}
.pubyear[hidden],.pub[hidden]{display:none}

/* ---------- talks / teaching rows ---------- */
.talk,.cvrow{display:flex;gap:24px;padding:14px 0;border-bottom:1px solid var(--line2)}
.talk:last-child,.cvrow:last-child{border-bottom:0}
.talk .yr,.cvrow .yr{flex:0 0 140px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;
  color:var(--faint);padding-top:4px;line-height:1.5}
.tt{font-size:15.5px;font-weight:500;margin:0 0 4px;line-height:1.45;color:var(--ink)}
.tw{font-size:14.5px;color:var(--mut);margin:0}
.tm{font-size:13.5px;color:var(--faint);margin:4px 0 0}
.ts{font-size:14.5px;color:var(--ink2);margin:7px 0 0;line-height:1.6}
.cvrow p:last-child{margin-bottom:0}
.cvrow ul{margin:6px 0 0;padding-left:19px;font-size:14.5px;color:var(--mut)}

/* ---------- projects ---------- */
.pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
.pcard{border:1px solid var(--line);border-radius:10px;background:var(--card);overflow:hidden}
.pcard .pimg{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--line2)}
.pcard-body{padding:20px 21px}
.pcard header{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:3px}
.pcard h3{font-size:16.5px;font-weight:600;margin:0;letter-spacing:-.01em}
.pcard .when{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--faint);white-space:nowrap}
.pcard .psub{font-size:13px;color:var(--faint);margin:0 0 7px}
.pcard .pd{font-size:14.5px;line-height:1.6;color:var(--ink2);margin:6px 0 9px}
.pcard .pm{font-size:13.5px;color:var(--mut);margin:0}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:11px}
.chip{font-size:11px;letter-spacing:.05em;text-transform:uppercase;font-weight:600;
  padding:3px 8px;border-radius:3px;background:var(--acc-soft);color:var(--acc)}

.proj{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:start;
  padding:15px 0;border-bottom:1px solid var(--line2)}
.proj .pt{font-size:15.5px;font-weight:600;margin:0 0 4px}
.proj .pd{font-size:14.5px;color:var(--mut);line-height:1.55;margin:0}
.proj .pr{text-align:right;font-family:'IBM Plex Mono',monospace;font-size:12.5px;
  color:var(--faint);white-space:nowrap;line-height:1.7}

.frow{display:grid;grid-template-columns:74px 1fr auto;gap:20px;align-items:start;
  padding:14px 0;border-bottom:1px solid var(--line2)}
.frow .fy{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--faint);padding-top:3px}
.frow .ft{font-size:15.5px;font-weight:500;margin:0 0 4px;line-height:1.45}
.frow .fm{font-size:14px;color:var(--mut);margin:0}
.frow .fa{text-align:right;font-family:'IBM Plex Mono',monospace;font-size:13px;
  color:var(--ink2);white-space:nowrap;line-height:1.6}
.frow .fd{color:var(--faint);font-size:12px}

ul.cols{columns:2;column-gap:36px;list-style:none;padding:0;margin:16px 0 0;
  font-size:15px;color:var(--ink2)}
ul.cols li{padding:3px 0;break-inside:avoid}

/* ---------- CV page ---------- */
.page-cv .cvpub{display:flex;gap:20px;padding:12px 0;border-bottom:1px solid var(--line2)}
.page-cv .cvpub .no{flex:0 0 34px;text-align:right;font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;color:var(--faint);padding-top:4px}
.page-cv .cvpub .t{font-size:15px;font-weight:500;margin:0 0 4px;line-height:1.45}
.page-cv .cvpub .a{font-size:14px;color:var(--mut);margin:0 0 3px;line-height:1.5}
.page-cv .cvpub .a strong{color:var(--ink2)}
.page-cv .cvpub .j{font-size:13.5px;color:var(--mut);margin:0}
.cvhead{padding-top:44px}

/* ---------- responsive ----------
   `screen and` matters: an A4 print viewport is narrower than 820px, and
   without it the print stylesheet would inherit the stacked mobile layout. */
@media screen and (max-width:820px){
  .threads,.pgrid{grid-template-columns:1fr}
  ul.cols{columns:1}
  .portrait{float:none;width:168px;max-width:55%;margin:0 0 22px}
  .hero{padding-top:32px}
  .talk,.cvrow,.pub,ul.news li{flex-direction:column;gap:5px}
  .talk .yr,.cvrow .yr,.pub .yr,ul.news time{flex:none}
  .frow{grid-template-columns:1fr;gap:5px}
  .frow .fa{text-align:left}
  .proj{grid-template-columns:1fr}
  .proj .pr{text-align:left}
  nav.main{gap:15px;font-size:14.5px}
}

/* ---------- print (CV to PDF) ---------- */
@media print{
  :root{--ink:#000;--ink2:#222;--mut:#444;--faint:#666;--acc:#10635c;
        --line:#bbb;--line2:#ddd;--bg:#fff;--card:#fff;--maxw:100%}
  body{font-size:10pt;line-height:1.45}
  header.site,footer.site,.themebtn,.social,.filters,.bibtn,.more,.skip,#bg-anim{display:none !important}
  .wrap{max-width:100%;padding:0}
  .hero{padding:0 0 6pt}
  h1.name{font-size:22pt;margin-bottom:4pt}
  .role{font-size:10.5pt;margin-bottom:10pt}
  .portrait{width:26mm;margin:0 0 8pt 8mm}
  h2.sec{font-size:9pt;margin:14pt 0 4pt;padding-bottom:3pt;
    color:var(--acc);border-bottom:.6pt solid var(--acc);break-after:avoid}
  .cvrow,.talk,.pub,.cvpub,.frow,ul.news li{display:flex;flex-direction:row;
    gap:6mm;padding:3.5pt 0;break-inside:avoid}
  .frow{display:grid;grid-template-columns:16mm 1fr auto}
  .cvrow .yr,.talk .yr,.pub .yr{flex:0 0 26mm;font-size:8.5pt;padding-top:1pt}
  .cvpub .no{flex:0 0 8mm}
  .tt,.pub .t,.cvpub .t{font-size:10pt;margin-bottom:1pt}
  .tw,.pub .a,.cvpub .a,.ts{font-size:9pt;margin-bottom:1pt}
  .tm,.pub .j,.cvpub .j{font-size:8.5pt}
  .cvrow p,.cvpub p{margin-top:0}
  ul.cols{columns:2}
  pre.bib{display:none}
  a{color:#000;text-decoration:none}
  section{break-inside:auto}
  @page{margin:16mm 15mm}
}