:root{
  --red:#B7332E;
  --red-dark:#8E2723;
  --ink:#1a1a1a;
  --grey:#5b5f66;
  --line:#e2e2e2;
  --bg:#ffffff;
  --bg-alt:#f7f7f8;
  --accent-2:#6b3fa0;
  --maxw:1040px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
}
a{color:var(--red);text-decoration:none;}
a:hover{text-decoration:underline;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

.bar{background:var(--red);height:6px;width:100%;}
header.top{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:10;}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;}
.nav .brand{display:flex;flex-direction:column;line-height:1.2;white-space:nowrap;margin-right:20px;}
.nav .brand b{font-size:1.05rem;letter-spacing:.01em;}
.nav .brand span{font-size:.72rem;color:var(--grey);text-transform:uppercase;letter-spacing:.08em;}
.nav ul{list-style:none;display:flex;gap:15px;margin:0;padding:0;flex-wrap:wrap;}
.nav a{color:var(--ink);font-size:.76rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap;}
.nav a:hover{color:var(--red);text-decoration:none;}

.hero{padding:56px 0;background:var(--bg-alt);border-bottom:1px solid var(--line);}
.hero-grid{display:grid;grid-template-columns:220px 1fr;gap:44px;align-items:center;}
.hero img{width:100%;border-radius:4px;object-fit:cover;aspect-ratio:1/1;object-position:top center;border:1px solid var(--line);}
.hero h1{font-size:2.1rem;margin:0 0 4px;}
.hero .role{color:var(--red);font-weight:700;margin:0 0 4px;font-size:1rem;}
.hero .dept{color:var(--grey);font-size:.92rem;margin:0 0 16px;}
.hero p{color:#333;max-width:64ch;}
.links{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.btn{display:inline-block;padding:9px 14px;border:1px solid var(--ink);border-radius:2px;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em;color:var(--ink);white-space:nowrap;}
.btn:hover{background:var(--ink);color:#fff;text-decoration:none;}
.btn.primary{background:var(--red);border-color:var(--red);color:#fff;}
.btn.primary:hover{background:var(--red-dark);border-color:var(--red-dark);color:#fff;}

section{padding:52px 0;border-bottom:1px solid var(--line);}
section h2{font-size:1.4rem;margin:0 0 6px;}
section .kicker{color:var(--red);text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:700;margin:0 0 26px;}

.lines{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;}
.line-card{background:var(--bg-alt);border:1px solid var(--line);border-left:4px solid var(--red);border-radius:2px;padding:22px;}
.line-card .num{color:var(--red);font-weight:700;font-size:.75rem;letter-spacing:.08em;}
.line-card h3{margin:8px 0 10px;font-size:1.08rem;}
.line-card p{color:var(--grey);font-size:.93rem;margin:0;}
.line-card .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px;}
.tag{font-size:.7rem;color:var(--red);background:#fdecee;border:1px solid #f3c9d0;padding:3px 9px;border-radius:2px;}

.pub{border-bottom:1px solid var(--line);padding:15px 0;}
.pub:last-child{border-bottom:none;}
.pub .year{color:var(--red);font-weight:700;font-size:.8rem;}
.pub h4{margin:4px 0 4px;font-size:1rem;font-weight:700;}
.pub .meta{color:var(--grey);font-size:.87rem;}
.pub .venue{font-style:italic;}
.pub .award{display:inline-block;margin-top:6px;font-size:.72rem;color:#8a6d00;border:1px solid #e6d38b;background:#fff7dd;padding:2px 8px;border-radius:2px;}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
@media (max-width:720px){.grid2{grid-template-columns:1fr;} .hero-grid{grid-template-columns:1fr;} .hero img{max-width:170px;}}

.timeline-item{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:9px 0;}
.timeline-item .when{color:var(--red);font-size:.82rem;font-weight:700;}
.timeline-item .what{color:#333;font-size:.92rem;}

ul.plain{margin:0;padding-left:1.1em;color:#333;font-size:.92rem;}
ul.plain li{margin-bottom:6px;}

.stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:14px;}
.stat b{display:block;font-size:1.5rem;color:var(--ink);}
.stat span{color:var(--grey);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;}

footer{padding:30px 0 50px;color:var(--grey);font-size:.82rem;}
footer a{color:var(--grey);}
.note{font-size:.82rem;color:var(--grey);border-left:2px solid var(--line);padding-left:12px;margin-top:18px;}

.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;}
.video-card{background:var(--bg-alt);border:1px solid var(--line);border-radius:2px;padding:14px;}
.video-card video{width:100%;aspect-ratio:16/9;object-fit:contain;border-radius:2px;display:block;background:#000;cursor:pointer;}
.video-caption{margin:10px 2px 2px;font-size:.88rem;color:var(--grey);}

/* ---- research page ---- */
.page-hero{padding:56px 0 10px;background:var(--bg-alt);border-bottom:1px solid var(--line);}
.page-hero h1{font-size:2.1rem;margin:0 0 12px;}
.page-hero p{color:#333;max-width:70ch;font-size:.98rem;}
.jump{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px;}
.jump a{font-size:.76rem;color:var(--grey);border:1px solid var(--line);background:#fff;border-radius:2px;padding:5px 12px;}
.jump a:hover{border-color:var(--red);color:var(--red);text-decoration:none;}

.rline{border-bottom:1px solid var(--line);padding:46px 0;}
.rnum{color:var(--accent-2);font-weight:700;font-size:.75rem;letter-spacing:.1em;}
.rline h2{font-size:1.4rem;margin:10px 0 4px;}
.rtag{color:var(--red);font-size:.95rem;font-weight:700;margin:0 0 20px;}
.rline p{color:#333;max-width:72ch;}
.rmeta{margin:26px 0 0;display:grid;grid-template-columns:132px 1fr;gap:10px 20px;font-size:.9rem;align-items:start;}
.rmeta dt{color:var(--accent-2);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;padding-top:4px;}
.rmeta dd{margin:0;color:var(--grey);max-width:66ch;}

.past-band{background:var(--bg-alt);border-top:1px solid var(--line);}
.past-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px;margin-top:26px;}
.past-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent-2);border-radius:2px;padding:24px;}
.past-item h3{margin:0 0 10px;font-size:1.05rem;}
.past-item p{color:var(--grey);font-size:.92rem;margin:0 0 10px;}
.past-people{font-size:.85rem !important;font-style:italic;}
.past-key{list-style:none;margin:14px 0 0;padding:0;border-top:1px solid var(--line);padding-top:12px;}
.past-key li{font-size:.85rem;color:var(--grey);margin-bottom:7px;}
.pvenue{font-style:italic;}

.pub h4 a{color:var(--ink);}
.pub h4 a:hover{color:var(--red);}

@media (max-width:720px){.rmeta{grid-template-columns:1fr;gap:2px 0;} .rmeta dd{margin-bottom:12px;} .past-grid{grid-template-columns:1fr;}}

section[id],article[id]{scroll-margin-top:84px;}

/* ---- research cards behave as links ---- */
.line-card{display:block;color:inherit;text-decoration:none;
  transition:border-left-color .18s ease, background-color .18s ease, box-shadow .18s ease, transform .18s ease;}
.line-card h3{color:var(--ink);transition:color .18s ease;}
.line-card:hover,.line-card:focus-visible{background:#fff;border-left-color:var(--red-dark);
  box-shadow:0 3px 12px rgba(0,0,0,.09);transform:translateY(-2px);text-decoration:none;}
.line-card:hover h3,.line-card:focus-visible h3{color:var(--red);}
.line-card:focus-visible{outline:2px solid var(--red);outline-offset:3px;}
@media (prefers-reduced-motion:reduce){.line-card{transition:none;}.line-card:hover{transform:none;}}

/* ---- hero link row: keep all five on one line on desktop ---- */
@media (min-width:900px){
  .hero .links{flex-wrap:nowrap;}
  .hero .links .btn{flex:0 0 auto;}
}

/* ---- narrow screens: stop the nav from overflowing sideways ---- */
@media (max-width:760px){
  .nav{flex-direction:column;align-items:flex-start;gap:10px;}
  .nav .brand{margin-right:0;}
  .nav ul{gap:10px 14px;}
}

/* ---- video cards ---- */
.video-open{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;
  color:var(--red);white-space:nowrap;margin-left:4px;}
.video-open:hover{color:var(--red-dark);}
.video-caption{display:flex;justify-content:space-between;align-items:baseline;gap:10px;}