/* ============================================================
   test-light shared design system
   Used by every interior page (research, talks, industry, ...).
   The homepage (index.html) stays self-contained but matches
   these same tokens/components 1:1.
   ============================================================ */

@view-transition{
  navigation:auto;
}

:root{
  --bg:#f6f5f0;
  --paper:#ffffff;
  --panel:#ffffff;
  --ink:#16160f;
  --line: rgba(22,22,15,0.10);
  --line-strong: rgba(22,22,15,0.24);
  --muted:#6d6c64;
  --accent:#ff5a1f;
  --accent-soft: rgba(255,90,31,0.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Space Grotesk', system-ui, sans-serif;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
::selection{background:var(--accent);color:var(--paper);}

/* ---------- custom cursor ---------- */
.cursor-dot,.cursor-ring{
  position:fixed;top:0;left:0;pointer-events:none;z-index:9999;
  border-radius:50%;transform:translate(-50%,-50%);
}
.cursor-dot{width:7px;height:7px;background:var(--ink);}
.cursor-ring{width:32px;height:32px;border:1px solid var(--accent);transition:width .2s,height .2s,opacity .2s,background .2s;}
.cursor-ring.grow{width:58px;height:58px;background:var(--accent-soft);}
body.has-cursor, body.has-cursor *{cursor:none !important;}

/* ---------- layout helpers ---------- */
.wrap{max-width:1160px;margin:0 auto;padding:0 clamp(20px,4vw,48px);}
.section-head{max-width:640px;margin:0 auto 44px;text-align:center;}
.section-head.left{margin-left:0;text-align:left;}
.tag-eyebrow{
  display:block;font-family:'Space Mono',monospace;font-size:12px;letter-spacing:.18em;
  color:var(--accent);margin-bottom:16px;
}
.section-title{
  font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;
  font-size:clamp(2.2rem,6vw,3.8rem);line-height:.94;letter-spacing:-.01em;margin:0 0 16px;color:var(--ink);
}
.section-title .accent{color:var(--accent);}
.section-sub{color:var(--muted);font-size:clamp(15px,1.6vw,17px);line-height:1.6;margin:0 auto;max-width:480px;}
.section-head.left .section-sub{margin:0;max-width:640px;}
section{position:relative;padding:clamp(56px,6vw,100px) 0;}
.first-section{padding-top:clamp(108px,26vw,150px);}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);}
.reveal.in-view{opacity:1;transform:translateY(0);}
.reveal.d1{transition-delay:.08s;} .reveal.d2{transition-delay:.16s;} .reveal.d3{transition-delay:.24s;}
.reveal.d4{transition-delay:.32s;} .reveal.d5{transition-delay:.4s;} .reveal.d6{transition-delay:.48s;}

/* ---------- nav: unfurl dock ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:200;
  display:flex;align-items:center;justify-content:center;
  padding:16px clamp(20px,4vw,48px);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  background:linear-gradient(to bottom, rgba(246,245,240,.85), rgba(246,245,240,0));
  view-transition-name:site-nav;
}
.nav-links{
  display:flex;align-items:center;gap:2px;
  border:1px solid var(--line);border-radius:999px;
  background:rgba(255,255,255,0.75);
  padding:6px;box-shadow:0 4px 16px rgba(22,22,15,0.05);
  max-width:100%;
  overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none;}
.nav-link{
  flex:0 0 auto;
  display:flex;align-items:center;
  height:38px;padding:0 10px;border-radius:999px;color:var(--muted);
  transition:color .2s, background .25s;
}
.nav-link svg{width:16px;height:16px;flex:0 0 auto;transition:transform .3s cubic-bezier(.34,1.56,.64,1);}
.nav-label{
  display:inline-block;max-width:0;margin-left:0;opacity:0;overflow:hidden;white-space:nowrap;
  font-family:'Space Mono',monospace;font-weight:700;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
  transition:max-width .35s cubic-bezier(.22,1,.36,1), margin-left .35s cubic-bezier(.22,1,.36,1), opacity .2s;
}
.nav-link:hover, .nav-link:focus-visible{color:var(--ink);background:rgba(22,22,15,0.05);}
.nav-link:hover svg, .nav-link:focus-visible svg{transform:scale(1.1);}
.nav-link:hover .nav-label, .nav-link:focus-visible .nav-label{max-width:110px;margin-left:7px;opacity:1;}
.nav-link.active{color:var(--accent);background:var(--accent-soft);}
.nav-link.active .nav-label{max-width:110px;margin-left:7px;opacity:1;}

/* ---------- desktop: vertical dock on the left ---------- */
@media (min-width:960px){
  .wrap{padding-left:calc(104px + clamp(20px,4vw,48px));}
  .finale-inner{padding-left:calc(104px + clamp(20px,4vw,48px));}
  .nav{
    top:0;left:0;right:auto;bottom:0;width:104px;height:100svh;
    display:flex;align-items:center;justify-content:center;
    padding:28px 16px;background:none;backdrop-filter:none;-webkit-backdrop-filter:none;
  }
  .nav-links{
    flex-direction:column;align-items:flex-start;gap:10px;
    width:44px;max-height:100%;
    padding:0;border-radius:0;
    border:none;background:none;
    box-shadow:none;
    backdrop-filter:none;-webkit-backdrop-filter:none;
    overflow:visible;
  }
  .nav-link{
    position:relative;
    height:44px;min-width:44px;padding:0 13px;border-radius:999px;
    justify-content:flex-start;
    background:rgba(255,255,255,0.7);border:1px solid var(--line-strong);
    color:var(--muted);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    box-shadow:0 1px 2px rgba(22,22,15,0.04);
    transition:color .2s, border-color .2s, box-shadow .2s, transform .2s, background .2s;
  }
  .nav-link svg{width:18px;height:18px;}
  .nav-link:hover, .nav-link:focus-visible{
    color:var(--accent);background:rgba(255,255,255,0.9);
    border-color:rgba(255,90,31,0.5);box-shadow:0 6px 18px -8px rgba(255,90,31,0.35);
  }
  .nav-link.active{
    color:var(--accent);background:var(--accent-soft);border-color:rgba(255,90,31,0.5);
  }
  .nav-link .nav-label{
    font-size:10.5px;
  }
  .nav-link.active .nav-label{
    max-width:0;margin-left:0;opacity:0;
  }
  .first-section{padding-top:clamp(56px,6vw,100px);}
}
@media (prefers-reduced-motion: reduce){
  .nav-link{animation:none;opacity:1;transform:none;}
  .nav-link, .nav-link svg, .nav-label{transition:none !important;}
}
@media (max-width:640px){
  .nav{padding-top:12px;padding-bottom:12px;}
}

/* ---------- generic list row (papers, talks) ---------- */
details.list-row{
  border:1px solid var(--line);border-radius:14px;background:var(--paper);
  margin-bottom:10px;overflow:hidden;transition:border-color .2s,background .2s;
}
details.list-row:hover{border-color:var(--line-strong);}
details.list-row[open]{border-color:rgba(255,90,31,0.35);background:#fffaf6;}
details.list-row summary{list-style:none;cursor:pointer;}
details.list-row summary::-webkit-details-marker{display:none;}
article.list-row{
  border:1px solid var(--line);border-radius:14px;background:var(--paper);
  margin-bottom:10px;transition:border-color .2s;
}
article.list-row:hover{border-color:var(--line-strong);}
.list-row-head{display:flex;align-items:center;gap:14px;padding:14px 16px;flex-wrap:wrap;}
.list-index{
  flex:0 0 auto;display:grid;place-items:center;width:28px;height:28px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);font-family:'Space Mono',monospace;font-size:10.5px;font-weight:700;
}
.list-body{flex:1 1 220px;min-width:0;}
.list-body h3{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:15px;line-height:1.4;margin:0 0 4px;color:var(--ink);}
.list-body p{margin:0;font-family:'Space Mono',monospace;font-size:11px;color:var(--muted);}
.list-venue{
  flex:0 0 auto;font-family:'Space Mono',monospace;font-size:10.5px;font-weight:700;letter-spacing:.06em;
  padding:5px 11px;border-radius:999px;background:var(--accent-soft);color:var(--accent);white-space:nowrap;
}
.list-actions{flex:0 0 auto;display:flex;gap:6px;margin-left:auto;}
.list-action{
  display:grid;place-items:center;width:32px;height:32px;border-radius:10px;
  background:rgba(22,22,15,0.05);color:var(--muted);transition:background .2s,color .2s;
}
.list-action:hover{background:var(--accent-soft);color:var(--accent);}
.list-action svg{width:15px;height:15px;}
.list-abstract{
  margin:0;padding:14px 18px 18px 58px;color:#514f48;font-size:13.5px;line-height:1.6;
  border-top:1px dashed var(--line);
}

/* ---------- filter pills ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding-bottom:28px;margin-bottom:28px;border-bottom:1px solid var(--line);}
.filter-pill{
  font-family:'Space Mono',monospace;font-size:11px;letter-spacing:.04em;text-transform:uppercase;
  padding:8px 15px;border-radius:999px;border:1px solid var(--line-strong);color:var(--muted);
  background:var(--paper);transition:color .2s,border-color .2s,background .2s;
}
.filter-pill:hover{color:var(--ink);}
.filter-pill.active{background:var(--accent);border-color:var(--accent);color:var(--paper);}

/* ---------- fading venue / city chip rows ---------- */
.chip-row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin:0 0 36px;}
.chip-row span{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(14px,2.2vw,20px);color:rgba(22,22,15,0.25);transition:color .2s;}
.chip-row span:hover{color:var(--accent);}

/* ---------- role card (industry) ---------- */
.role-card{
  display:flex;flex-direction:column;gap:14px;padding:22px;
  border:1px solid var(--line);border-radius:16px;background:var(--paper);
  margin-bottom:14px;transition:border-color .2s;
}
.role-card:hover{border-color:var(--line-strong);}
@media (min-width:760px){ .role-card{flex-direction:row;align-items:center;} }
.role-logo{
  flex:0 0 auto;width:56px;height:56px;border-radius:14px;background:#fff;
  border:1px solid var(--line);display:grid;place-items:center;overflow:hidden;padding:8px;
}
.role-logo img{width:100%;height:100%;object-fit:contain;}
.role-main{flex:1 1 auto;min-width:0;}
.role-main h3{font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;font-size:19px;margin:0 0 4px;color:var(--ink);}
.role-role{font-family:'Space Mono',monospace;font-size:11.5px;color:var(--accent);letter-spacing:.04em;margin:0 0 8px;}
.role-desc{color:#514f48;font-size:14px;line-height:1.55;margin:0;max-width:60ch;}
.role-meta{flex:0 0 auto;display:flex;flex-direction:row;align-items:center;gap:12px;}
@media (min-width:760px){ .role-meta{flex-direction:column;align-items:flex-end;gap:10px;} }
.role-loc{font-family:'Space Mono',monospace;font-size:10.5px;color:var(--muted);white-space:nowrap;}
.role-link{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:rgba(22,22,15,0.05);color:var(--muted);transition:background .2s,color .2s;}
.role-link:hover{background:var(--accent-soft);color:var(--accent);}
.role-link svg{width:14px;height:14px;}

/* ---------- deal / advisory card ---------- */
.deal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1px 48px;}
.deal-card{padding:28px 0;border-top:1px solid var(--line);transition:opacity .3s;}
.deal-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px;}
.deal-card h3{font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;font-size:24px;margin:0;color:var(--ink);}
.deal-status{font-family:'Space Mono',monospace;font-weight:700;font-size:10.5px;letter-spacing:.1em;white-space:nowrap;}
.deal-status.acquired{color:var(--muted);}
.deal-status.active{color:var(--accent);}
.deal-role{font-family:'Space Mono',monospace;font-size:12px;color:var(--accent);margin:0 0 12px;letter-spacing:.04em;}
.deal-desc{color:#514f48;font-size:14.5px;line-height:1.6;margin:0 0 14px;max-width:52ch;}
.deal-link{
  display:inline-block;font-family:'Space Mono',monospace;font-size:12px;letter-spacing:.08em;
  border-bottom:1px solid var(--line-strong);padding-bottom:2px;transition:border-color .2s,color .2s;
}
.deal-link:hover{color:var(--accent);border-color:var(--accent);}

/* ---------- generic info card (software) ---------- */
.info-card{border:1px solid var(--line);border-radius:16px;background:var(--paper);padding:28px;}
.info-card h3{font-family:'Anton',sans-serif;text-transform:uppercase;font-weight:400;font-size:26px;margin:0 0 10px;color:var(--ink);}
.info-card p{color:#514f48;font-size:14.5px;line-height:1.6;margin:0 0 18px;max-width:60ch;}
.info-links{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.info-link{
  display:inline-flex;align-items:center;gap:6px;font-family:'Space Mono',monospace;font-size:12px;color:var(--muted);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 13px;transition:color .2s,border-color .2s;
}
.info-link svg{width:14px;height:14px;}
.info-link:hover{color:var(--accent);border-color:rgba(255,90,31,.4);}
.info-meta{font-family:'Space Mono',monospace;font-size:11.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;}

/* ---------- award card ---------- */
.award-card{
  display:flex;gap:16px;align-items:flex-start;padding:22px;
  border:1px solid var(--line);border-radius:16px;background:var(--paper);margin-bottom:14px;
}
.award-icon{flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;}
.award-icon svg{width:20px;height:20px;}
.award-card h3{font-family:'Anton',sans-serif;text-transform:uppercase;font-weight:400;font-size:18px;margin:0 0 6px;color:var(--ink);}
.award-card p{margin:0;color:#514f48;font-size:14px;line-height:1.55;}

/* ---------- teaching row ---------- */
.teach-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--paper);margin-bottom:12px;
}
.teach-main{display:flex;align-items:center;gap:14px;}
.teach-icon{width:42px;height:42px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex:0 0 auto;}
.teach-icon svg{width:19px;height:19px;}
.teach-main h3{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:16px;margin:0 0 3px;color:var(--ink);}
.teach-main p{margin:0;font-family:'Space Mono',monospace;font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;}
.teach-logos{display:flex;gap:8px;}
.teach-logo{width:36px;height:36px;border-radius:10px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;padding:5px;}
.teach-logo img{width:100%;height:100%;object-fit:contain;}

/* ---------- education timeline ---------- */
.edu-timeline{display:flex;flex-direction:column;gap:14px;}
.edu-item{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--paper);}
.edu-logo{width:40px;height:40px;border-radius:10px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;padding:5px;flex:0 0 auto;}
.edu-logo img{width:100%;height:100%;object-fit:contain;}
.edu-main{flex:1 1 auto;min-width:0;}
.edu-top{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:4px;}
.edu-main h3{font-family:'Anton',sans-serif;text-transform:uppercase;font-weight:400;font-size:17px;margin:0;color:var(--ink);}
.edu-date{font-family:'Space Mono',monospace;font-size:10px;color:var(--muted);background:rgba(22,22,15,0.05);padding:3px 9px;border-radius:999px;white-space:nowrap;}
.edu-degree{font-family:'Space Mono',monospace;font-size:12px;color:var(--accent);margin:0 0 6px;}
.edu-details{margin:0;color:#514f48;font-size:13.5px;line-height:1.55;}

/* ---------- music ---------- */
.music-cols{display:grid;grid-template-columns:1fr;gap:44px;}
@media (min-width:760px){.music-cols{grid-template-columns:1fr 1fr;}}
.music-col-head{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:var(--ink);}
.music-col-head svg{width:20px;height:20px;color:var(--accent);}
.music-col-head h3{font-family:'Anton',sans-serif;text-transform:uppercase;font-weight:400;font-size:19px;margin:0;letter-spacing:.01em;}
.music-embed{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper);margin-bottom:16px;}
.music-embed iframe{display:block;width:100%;border:0;}
.music-embed-link{display:flex;align-items:center;gap:6px;padding:10px 16px;font-family:'Space Mono',monospace;font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);border-top:1px solid var(--line);transition:color .2s;}
.music-embed-link svg{width:12px;height:12px;}
.music-embed-link:hover{color:var(--accent);}

/* ---------- badge ---------- */
.badge{border:1px solid var(--line-strong);border-radius:99px;padding:4px 12px;color:var(--accent);background:var(--paper);}

/* ---------- footer (finale) ---------- */
.finale{background:#efeee7;border-top:1px solid var(--line);padding:clamp(80px,12vw,150px) 0 40px;}
.finale-inner{max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,48px);text-align:center;}
.finale-title{font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;font-size:clamp(3rem,11vw,7.5rem);line-height:.9;margin:0 0 22px;color:var(--ink);}
.finale-title .accent{color:var(--accent);}
.finale-sub{color:var(--muted);max-width:480px;margin:0 auto 40px;font-size:16px;line-height:1.6;}
.finale-links{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-bottom:64px;}
.social-btn{
  display:grid;place-items:center;width:44px;height:44px;border-radius:999px;
  background:rgba(255,255,255,0.7);border:1px solid var(--line-strong);
  color:var(--muted);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 1px 2px rgba(22,22,15,0.04);
  transition:color .2s, border-color .2s, box-shadow .2s, transform .2s;
}
.social-btn svg{width:18px;height:18px;}
.social-btn:hover{color:var(--accent);border-color:rgba(255,90,31,0.5);box-shadow:0 6px 18px -8px rgba(255,90,31,0.35);transform:translateY(-2px);}
.finale-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding-top:24px;
  font-family:'Space Mono',monospace;font-size:11.5px;color:var(--muted);letter-spacing:.04em;
}
.finale-bottom a:hover{color:var(--accent);}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{transition:none;opacity:1;transform:none;}
}