/* ==========================================================================
   LAMbDΛ — Laboratory of Applied Mathematics in Transport and Logistics
   Single stylesheet. No dependencies, no build step.
   Edit the custom properties in :root to restyle the whole site.
   ========================================================================== */

:root{
  /* Brand */
  --blue:        #0f4c81;
  --blue-dark:   #0a3459;
  --blue-deep:   #072840;
  --blue-tint:   #eaf0f7;
  --blue-tint-2: #f5f8fc;
  --accent:      #c8102e;   /* CTU red, used sparingly */
  --accent-soft: #fdecef;

  /* Neutrals */
  --ink:      #12181f;
  --ink-2:    #3d4854;
  --ink-3:    #6b7784;
  --line:     #dfe5ec;
  --line-2:   #eef2f6;
  --paper:    #ffffff;
  --paper-2:  #f8fafc;

  /* Pillar accents */
  --p1: #1f6f8b;
  --p2: #0f4c81;
  --p3: #7a4b9c;
  --p4: #1c7a5e;
  --p5: #b5651d;

  /* Type */
  --sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Mono", Consolas, monospace;

  /* Metrics */
  --wide:  1220px;
  --text:  760px;
  --r:     14px;
  --r-sm:  8px;
  --shadow:    0 1px 2px rgba(16,32,48,.06), 0 6px 20px rgba(16,32,48,.06);
  --shadow-lg: 0 2px 4px rgba(16,32,48,.06), 0 18px 48px rgba(16,32,48,.12);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;
  font-feature-settings:"kern" 1,"liga" 1;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:200;background:#fff;padding:.6rem 1rem;border-radius:6px;box-shadow:var(--shadow-lg)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--wide);margin:0 auto;padding:0 clamp(1.1rem,4vw,2rem)}
.narrow{max-width:var(--text)}
section{padding:clamp(3rem,6vw,5.5rem) 0}
section.tight{padding:clamp(2rem,4vw,3rem) 0}
.alt{background:var(--paper-2);border-block:1px solid var(--line-2)}
.tintbg{background:var(--blue-tint-2)}

/* ---------- Type ---------- */
h1,h2,h3,h4{line-height:1.18;margin:0 0 .6em;letter-spacing:-.018em;font-weight:700}
h1{font-size:clamp(2.1rem,5vw,3.5rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.35rem)}
h3{font-size:clamp(1.15rem,2vw,1.45rem)}
h4{font-size:1.02rem;letter-spacing:0}
p{margin:0 0 1.1em;max-width:72ch}
.lead{font-size:clamp(1.1rem,1.9vw,1.32rem);color:var(--ink-2);line-height:1.55}
.small{font-size:.88rem;color:var(--ink-3)}
.eyebrow{
  font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue);margin:0 0 .9rem;display:block
}
.eyebrow.on-dark{color:#8ec2ee}
strong{font-weight:650}
mark{background:var(--accent-soft);color:var(--ink);padding:.05em .25em;border-radius:3px}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}

/* ---------- Logotype ---------- */
.logo{display:inline-flex;align-items:baseline;gap:.05em;font-weight:800;letter-spacing:-.03em;
  font-size:1.42rem;color:var(--blue);text-decoration:none;line-height:1}
.logo:hover{text-decoration:none}
.logo .lam{color:var(--blue)}
.logo .gk{color:var(--accent)}
header.site .logo{font-size:1.34rem}
.logo-sub{display:block;font-size:.66rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-3);margin-top:.28rem}

/* ---------- Header / nav ---------- */
header.site{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);
  backdrop-filter:saturate(1.6) blur(10px);border-bottom:1px solid var(--line)
}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:68px}
nav.main ul{display:flex;gap:.15rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav.main a{
  display:block;padding:.5rem .7rem;border-radius:8px;font-size:.93rem;font-weight:550;
  color:var(--ink-2);text-decoration:none
}
nav.main a:hover{background:var(--blue-tint);color:var(--blue);text-decoration:none}
nav.main a[aria-current="page"]{color:var(--blue);background:var(--blue-tint)}
.navtoggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;
  padding:.45rem .6rem;font-size:1.15rem;line-height:1;cursor:pointer;color:var(--ink)}
@media(max-width:900px){
  .navtoggle{display:block}
  nav.main{display:none;width:100%;padding:.4rem 0 .9rem}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;gap:.1rem}
  .bar{flex-wrap:wrap}
}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(1100px 460px at 12% -8%, rgba(255,255,255,.13), transparent 62%),
    linear-gradient(158deg, var(--blue-deep) 0%, var(--blue-dark) 46%, var(--blue) 100%);
  color:#fff;padding:clamp(3.4rem,8vw,6.5rem) 0 clamp(3rem,7vw,5.5rem);position:relative;overflow:hidden
}
.hero::after{
  content:"";position:absolute;inset:auto -6% -55% auto;width:60%;aspect-ratio:1;
  background:radial-gradient(circle, rgba(142,194,238,.18), transparent 68%);pointer-events:none
}
.hero h1{color:#fff;max-width:23ch}
.hero .lead{color:#d6e6f5;max-width:62ch}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero-figure img{border-radius:var(--r);box-shadow:0 24px 60px rgba(0,0,0,.34)}
.hero-figure figcaption{color:#a9c6e0;font-size:.78rem;margin-top:.6rem}

/* Pillar page hero */
.hero.pillar{padding:clamp(2.6rem,6vw,4.6rem) 0}
.pnum{
  display:inline-flex;align-items:center;justify-content:center;width:2.6rem;height:2.6rem;
  border-radius:10px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);
  font-weight:800;font-size:1.15rem;margin-bottom:1rem
}
.hero .claim{
  font-size:clamp(1.05rem,1.9vw,1.28rem);color:#cfe2f2;font-style:italic;
  border-left:3px solid rgba(255,255,255,.35);padding-left:1rem;max-width:64ch;margin:1.4rem 0 0
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;padding:.72rem 1.25rem;border-radius:999px;
  font-weight:600;font-size:.95rem;text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease, background .15s ease, border-color .15s ease
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-light{background:#fff;color:var(--blue)}
.btn-light:hover{background:#eef4fa}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--line);color:var(--ink-2);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btnrow{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.8rem}

/* ---------- Grids & cards ---------- */
.grid{display:grid;gap:1.15rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.5rem 1.5rem 1.55rem;
  transition:box-shadow .16s ease, transform .16s ease, border-color .16s ease
}
.card h3,.card h4{margin-bottom:.45rem}
.card p{margin-bottom:0;font-size:.95rem;color:var(--ink-2)}
.card p + p{margin-top:.7rem}
a.card{display:block;color:inherit}
a.card:hover{text-decoration:none;box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent}

/* Pillar card */
.pillar-card{position:relative;padding-top:1.65rem;overflow:hidden}
.pillar-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--pc,var(--blue))}
.pillar-card .n{
  font-family:var(--mono);font-size:.76rem;font-weight:700;letter-spacing:.1em;
  color:var(--pc,var(--blue));text-transform:uppercase
}
.pillar-card h3{margin:.35rem 0 .5rem;font-size:1.18rem}
.pillar-card .more{display:inline-block;margin-top:1rem;font-weight:600;font-size:.9rem;color:var(--pc,var(--blue))}
.pillar-card .more::after{content:" →";transition:margin .15s ease}
a.pillar-card:hover .more::after{margin-left:.25rem}
[data-p="1"]{--pc:var(--p1)} [data-p="2"]{--pc:var(--p2)} [data-p="3"]{--pc:var(--p3)}
[data-p="4"]{--pc:var(--p4)} [data-p="5"]{--pc:var(--p5)}

/* Question card */
.q{background:#fff;border:1px solid var(--line);border-left:3px solid var(--pc,var(--blue));
  border-radius:var(--r-sm);padding:1.15rem 1.3rem}
.q .qid{font-family:var(--mono);font-size:.74rem;font-weight:700;color:var(--pc,var(--blue));
  letter-spacing:.06em;display:block;margin-bottom:.35rem}
.q p{margin:0;font-size:.95rem;color:var(--ink-2)}

/* ---------- Stats ---------- */
.stats{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.35rem 1.4rem}
.stat .v{font-size:clamp(1.7rem,3.4vw,2.35rem);font-weight:800;letter-spacing:-.03em;
  color:var(--pc,var(--blue));line-height:1.05;display:block}
.stat .k{font-size:.87rem;color:var(--ink-2);margin-top:.45rem;display:block}
.stat .src{font-size:.75rem;color:var(--ink-3);margin-top:.5rem;display:block}
.hero .stats .stat{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.2)}
.hero .stats .v{color:#fff}
.hero .stats .k{color:#cfe2f2}
.hero .stats .src{color:#9dbcd8}

/* ---------- Chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:.45rem;padding:0;margin:0;list-style:none}
.chip{
  display:inline-block;padding:.36rem .78rem;border-radius:999px;background:var(--blue-tint);
  color:var(--blue-dark);font-size:.83rem;font-weight:550;border:1px solid transparent
}
.chip.out{background:#fff;border-color:var(--line);color:var(--ink-2)}

/* ---------- Competence list ---------- */
.comp{list-style:none;padding:0;margin:0;display:grid;gap:.7rem}
.comp li{
  display:grid;grid-template-columns:3.4rem 1fr;gap:1rem;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:1.05rem 1.2rem
}
.comp .id{font-family:var(--mono);font-weight:700;font-size:.86rem;color:var(--pc,var(--blue))}
.comp b{display:block;margin-bottom:.2rem;font-weight:650}
.comp span.d{font-size:.92rem;color:var(--ink-2);display:block}
.comp .ev{font-size:.82rem;color:var(--ink-3);margin-top:.45rem;display:block}
@media(max-width:560px){.comp li{grid-template-columns:1fr}.comp .id{margin-bottom:.1rem}}

/* ---------- Figures ---------- */
figure.fig{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
figure.fig img{width:100%;background:#fff}
figure.fig figcaption{padding:.85rem 1.1rem 1rem;font-size:.83rem;color:var(--ink-3);line-height:1.5}
figure.fig figcaption b{color:var(--ink-2);font-weight:600}
.figrow{display:grid;gap:1.15rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.fig-wide{grid-column:1/-1}

/* ---------- Publications ---------- */
.publist{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}
.pub{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:.95rem 1.15rem;display:grid;grid-template-columns:auto 1fr;gap:.9rem;align-items:start
}
.pub .type{
  font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.06em;
  padding:.24rem .5rem;border-radius:5px;background:var(--blue-tint);color:var(--blue-dark);
  text-transform:uppercase;white-space:nowrap;margin-top:.15rem
}
.pub .type.J{background:#e7f1fb;color:#0f4c81}
.pub .type.B{background:#efe9f7;color:#5c3382}
.pub .type.C{background:#eef2f6;color:#4a5561}
.pub .type.M{background:#e9f6ef;color:#1c6b4f}
.pub .who{font-size:.94rem;line-height:1.5}
.pub .ttl{font-weight:600;color:var(--ink)}
.pub .venue{color:var(--ink-2)}
.pub .meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.45rem;align-items:center}
.pub .doi{font-size:.8rem;font-family:var(--mono)}
.tag-oa{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  background:#e9f6ef;color:#1c6b4f;padding:.16rem .45rem;border-radius:4px}
.tag-p{font-size:.72rem;font-weight:600;background:var(--paper-2);border:1px solid var(--line);
  color:var(--ink-3);padding:.14rem .45rem;border-radius:4px}
@media(max-width:560px){.pub{grid-template-columns:1fr}}

/* ---------- Filters ---------- */
.filters{display:flex;flex-wrap:wrap;gap:.45rem;margin:0 0 1.6rem}
.filters button{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:.42rem .9rem;
  font-size:.88rem;font-weight:550;color:var(--ink-2);cursor:pointer;font-family:inherit
}
.filters button:hover{border-color:var(--blue);color:var(--blue)}
.filters button[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
.count{font-size:.85rem;color:var(--ink-3);margin:0 0 1rem}

/* ---------- Tables ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table.data{border-collapse:collapse;width:100%;font-size:.9rem;min-width:640px}
table.data th{
  background:var(--blue);color:#fff;text-align:left;font-weight:600;font-size:.8rem;
  letter-spacing:.03em;text-transform:uppercase;padding:.7rem .9rem;position:sticky;top:0
}
table.data td{padding:.72rem .9rem;border-top:1px solid var(--line-2);vertical-align:top;color:var(--ink-2)}
table.data tr:hover td{background:var(--blue-tint-2)}
table.data td b{color:var(--ink)}

/* ---------- Science / evidence pairing (mirrors the slide deck) ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem}
@media(max-width:860px){.duo{grid-template-columns:1fr}}
.sbox{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);
  border-radius:var(--r);padding:1.5rem 1.6rem}
.sbox.sci{background:var(--blue-tint-2);border-left-color:var(--pc,var(--blue))}
.sbox.ops{border-left-color:var(--accent)}
.sbox h3{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800;
  color:var(--pc,var(--blue));margin-bottom:.9rem}
.sbox.ops h3{color:var(--accent)}
.sbox ul{margin:0;padding-left:1.15rem}
.sbox li{margin-bottom:.7rem;font-size:.95rem;color:var(--ink-2);line-height:1.5}
.sbox li:last-child{margin-bottom:0}
.sbox li strong{color:var(--ink)}
.sbox p{font-size:.95rem;color:var(--ink-2)}
.sbox p:last-child{margin-bottom:0}
.sbox .stats{margin-bottom:1rem}
.sbox .stat{padding:.9rem 1rem}
.sbox .stat .v{font-size:1.6rem}
.sbox .stat .k{font-size:.8rem}

/* Methods strip */
.methods{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;padding:0;margin:0;list-style:none}
.methods .lbl{font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-3);margin-right:.3rem}
.methods .chip b{font-family:var(--mono);color:var(--blue);font-weight:800;margin-right:.25rem}

/* ---------- Callout ---------- */
.callout{
  background:var(--blue-tint-2);border:1px solid var(--line);border-left:4px solid var(--blue);
  border-radius:var(--r-sm);padding:1.2rem 1.4rem
}
.callout.warn{background:var(--accent-soft);border-left-color:var(--accent)}
.callout h4{margin-bottom:.35rem}
.callout p:last-child{margin-bottom:0}
.callout p{font-size:.95rem}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.2rem);align-items:center}
.split.narrowfig{grid-template-columns:1.1fr .9fr}
@media(max-width:900px){.split,.split.narrowfig{grid-template-columns:1fr}}

/* ---------- Team ---------- */
.people{display:grid;gap:1.15rem;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.person{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.person .ph{aspect-ratio:4/5;background:var(--blue-tint) center/cover no-repeat;
  display:grid;place-items:center;color:var(--blue);font-size:2.2rem;font-weight:800}

/* Featured pair — used for the two laboratory leads */
.people.leads{grid-template-columns:repeat(2,1fr);gap:1.4rem}
.people.leads .person{display:grid;grid-template-columns:170px 1fr;box-shadow:var(--shadow)}
.people.leads .person .ph{aspect-ratio:auto;height:100%;min-height:230px;font-size:2.6rem}
.people.leads .person .body{padding:1.5rem 1.6rem}
.people.leads .person h3{font-size:1.12rem}
@media(max-width:900px){.people.leads{grid-template-columns:1fr}}
@media(max-width:520px){
  .people.leads .person{grid-template-columns:1fr}
  .people.leads .person .ph{aspect-ratio:16/9;min-height:0}
}
.person .body{padding:1.1rem 1.2rem 1.3rem}
.person h3{font-size:1.02rem;margin-bottom:.15rem}
.person .role{font-size:.85rem;color:var(--blue);font-weight:600;margin:0 0 .55rem}
.person .txt{font-size:.88rem;color:var(--ink-2);margin:0}
.person .links{margin-top:.8rem;display:flex;flex-wrap:wrap;gap:.4rem}
.person .links a{font-size:.78rem;border:1px solid var(--line);border-radius:999px;
  padding:.2rem .6rem;color:var(--ink-2)}
.person .links a:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}

/* ---------- Logo strip ---------- */
.logostrip{display:flex;flex-wrap:wrap;gap:1.6rem 2.4rem;align-items:center;justify-content:center}
.logostrip span{font-weight:600;color:var(--ink-3);font-size:.95rem}

/* ---------- Footer ---------- */
footer.site{background:var(--blue-deep);color:#c9dcec;padding:3.2rem 0 2rem;font-size:.92rem}
footer.site a{color:#a9cbea}
footer.site h4{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.9rem}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin-bottom:.4rem}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
@media(max-width:860px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.fgrid{grid-template-columns:1fr}}
.fbot{border-top:1px solid rgba(255,255,255,.13);margin-top:2.4rem;padding-top:1.3rem;
  display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between;font-size:.83rem;color:#8fadc7}
footer.site .logo{color:#fff}
footer.site .logo .lam{color:#fff}
footer.site .logo .gk{color:#ff8b9c}

/* ---------- Prev/next ---------- */
.pagenav{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media(max-width:620px){.pagenav{grid-template-columns:1fr}}
.pagenav a{display:block;border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.3rem;
  background:#fff;color:inherit}
.pagenav a:hover{text-decoration:none;box-shadow:var(--shadow);border-color:var(--blue)}
.pagenav .dir{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
.pagenav .nm{font-weight:650;color:var(--blue);margin-top:.2rem;display:block}
.pagenav .next{text-align:right}

/* ---------- Utilities ---------- */
.mt0{margin-top:0}.mb0{margin-bottom:0}
.mt1{margin-top:1rem}.mt2{margin-top:2rem}.mt3{margin-top:3rem}
.mb2{margin-bottom:2rem}
.center{text-align:center}
.center p{margin-inline:auto}
.reveal{opacity:0;transform:translateY(14px)}
.reveal.in{opacity:1;transform:none;transition:opacity .5s ease, transform .5s ease}
@media(prefers-reduced-motion:reduce){
  .reveal,.reveal.in{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .btn:hover,a.card:hover{transform:none}
}

/* ---------- Print ---------- */
@media print{
  header.site,footer.site,.btnrow,.filters,.pagenav{display:none}
  .hero{background:none;color:#000}
  .hero h1,.hero .lead,.hero .claim{color:#000}
  body{font-size:11pt}
  .card,.stat,figure.fig,.q,.comp li{border-color:#bbb;break-inside:avoid}
}

/* ---------- Brand logos (LAMbDA + FD CTU) ---------- */
.brandrow{display:flex;align-items:center;gap:.9rem}
.brand{display:block;line-height:0}
.brand img{height:47px;width:auto}
.brand-fd img{height:36px}
.brand-sep{width:1px;height:36px;background:var(--line)}
@media(max-width:420px){.brand img{height:40px}.brand-fd img{height:32px}.brandrow{gap:.6rem}}
.flogos{display:flex;align-items:center;gap:1.4rem;flex-wrap:wrap}
.flogos a{line-height:0}
.flogos img{height:58px;width:auto}
.flogos a+a img{height:50px}
.hero-figure .hero-logo{display:block;height:96px;width:auto;margin:0 0 1.2rem auto;
  border-radius:0;box-shadow:none}
@media(max-width:900px){.hero-figure .hero-logo{display:none}}
@media print{.hero-logo{display:none}}

/* ---------- About (home) ---------- */
.split.about{align-items:start}
.about-side{display:grid;gap:1.15rem}
.about-list{margin:.3rem 0 0;padding-left:1.1rem;color:var(--ink-2);font-size:.95rem}
.about-list li{margin-bottom:.35rem}
.about-list li::marker{color:var(--accent)}
.sig{margin-top:1.4rem;color:var(--ink-2);font-size:.95rem}
@media(max-width:860px){.split.about{grid-template-columns:1fr}}

/* ---------- Language switch ---------- */
nav.main li.langsw a{border:1px solid var(--line);font-size:.8rem;font-weight:700;letter-spacing:.06em;
  padding:.38rem .6rem;margin-left:.4rem;color:var(--blue)}
nav.main li.langsw a:hover{border-color:var(--blue)}
@media(max-width:900px){nav.main li.langsw a{display:inline-block;margin:.4rem 0 0}}

/* ---------- Team portraits: compact, because source photos are 150x190 ---------- */
.people:not(.leads) .person .ph{width:120px;height:150px;aspect-ratio:auto;margin:1.2rem 1.2rem 0;
  border-radius:10px;font-size:1.6rem}
.people.leads .person{grid-template-columns:calc(150px + 1.5rem) 1fr}
.people.leads .person .ph{min-height:190px;height:auto;margin:1.5rem 0 1.5rem 1.5rem;border-radius:10px;
  width:150px;height:190px;align-self:start}
.person .ph.photo{background-size:cover;background-position:center top;color:transparent}
@media(max-width:640px){.people.leads .person{grid-template-columns:1fr}
  .people.leads .person .ph{aspect-ratio:auto;margin:1.2rem 1.2rem 0}}

/* ---------- About video ---------- */
.about-video{margin:0}
.about-video video{display:block;width:100%;border-radius:var(--r);background:#000;box-shadow:var(--shadow)}
.about-video figcaption{font-size:.8rem;color:var(--ink-3);margin-top:.5rem}

/* ---------- Home: audiences + students ---------- */
.card.aud{display:block;color:inherit;text-decoration:none;border-top:4px solid var(--blue)}
.card.aud:hover{border-color:var(--blue);text-decoration:none}
.card.aud.aud-students{border-top-color:var(--accent)}
.card.aud .more{display:inline-block;margin-top:1rem;font-weight:600;font-size:.9rem;color:var(--blue)}
.split.students{align-items:start}
.about-list.big{font-size:1rem;margin-top:1rem}
.about-list.big li{margin-bottom:.6rem}
.howto .steps{margin:.6rem 0 1.2rem;padding-left:1.3rem;color:var(--ink-2)}
.howto .steps li{margin-bottom:.5rem}
@media(max-width:860px){.split.students{grid-template-columns:1fr}}