/* QPM Lab — site styles */
:root{
  --ink:#0E1726; --ink-2:#17233A; --ink-3:#0A111D; --line-dark:#2B3A55;
  --accent:#F2A93B; --accent-text:#A35A00; --accent-text-hover:#7C4400;
  --text:#0E1726; --text-2:#334155; --muted:#475569; --soft:#F1F5F9; --line:#E2E8F0;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --display:'Space Grotesk','Inter',system-ui,sans-serif;
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--text);background:#fff;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--accent-text)}a:hover{color:var(--accent-text-hover)}
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.01em;margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding-left:40px;padding-right:40px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--ink);padding:8px 14px;z-index:100}
.skip:focus{left:8px;top:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- dark top (header + hero) ---------- */
.top{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.top .bg{position:absolute;inset:0}
.top .bg>*{position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity 1.2s ease}
.top .bg>.on{opacity:1}
.top .bg img{object-fit:cover}
.top .bg .veil{opacity:1;background:linear-gradient(90deg,rgba(14,23,38,.92) 0%,rgba(14,23,38,.75) 55%,rgba(14,23,38,.35) 100%)}
.site-header{position:relative;z-index:2}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;padding-bottom:22px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-family:var(--display);font-size:22px;font-weight:700}
.brand:hover{color:#fff}
.nav{display:flex;flex-wrap:wrap;gap:26px;font-size:15px}
.nav a{color:#CBD5E1;text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a[aria-current=page]{color:#fff;font-weight:600;border-bottom-color:var(--accent)}
.nav a.join{color:var(--accent);font-weight:600}
.menu-btn{display:none;width:44px;height:44px;border:1px solid #334155;border-radius:10px;background:transparent;color:#fff;cursor:pointer;align-items:center;justify-content:center}
.hero{position:relative;z-index:2}
.hero .wrap{padding-top:96px;padding-bottom:72px}
.kicker{margin:0 0 18px;font-size:14px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.hero h1{font-size:60px;line-height:1.05;max-width:780px;letter-spacing:-.02em}
.hero p.lead{margin:28px 0 0;font-size:19px;color:#CBD5E1;max-width:620px}
.btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent}
.btn.primary{background:var(--accent);color:var(--ink)}.btn.primary:hover{color:var(--ink);filter:brightness(1.05)}
.btn.ghost{border-color:#475569;color:#fff;font-weight:500}.btn.ghost:hover{color:#fff;border-color:#94A3B8}
.btn.dark{background:var(--ink);color:#fff}.btn.dark:hover{color:#fff;background:var(--ink-2)}
.btn.outline{border-color:var(--ink);color:var(--ink);background:#fff}
.dots{display:flex;align-items:center;gap:14px;margin-top:64px}
.dots .d{display:flex;gap:4px}
.dots button{width:28px;height:28px;border:0;background:transparent;padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center}
.dots button span{display:block;width:8px;height:8px;border-radius:4px;background:#475569;transition:width .3s,background .3s}
.dots button[aria-current=true] span{width:22px;background:var(--accent)}
.dots .cap{font-size:13px;color:#94A3B8}
.page-head .wrap{padding-top:40px;padding-bottom:56px}
.page-head h1{font-size:48px;line-height:1.05;letter-spacing:-.02em}
.page-head p{margin:16px 0 0;font-size:17px;color:#CBD5E1;max-width:680px}

/* ---------- sections ---------- */
.sec{padding-top:64px}
.sec:last-of-type{padding-bottom:24px}
.sec-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:28px}
.sec h2{font-size:36px}
.sec-head a{font-size:15px;font-weight:600}
.rule-title{font-size:26px;border-bottom:2px solid var(--ink);padding-bottom:8px;margin-bottom:20px}
.g4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.g3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.g2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}

.highlight{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;text-decoration:none;color:var(--text);background:var(--soft);border-radius:20px;padding:44px}
.highlight:hover{color:var(--text)}
.highlight .k{margin:0 0 14px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-text)}
.highlight h2{font-size:36px;line-height:1.15}
.highlight p{margin:0 0 18px;font-size:16px;line-height:1.7;color:var(--text-2)}
.highlight .r{align-self:end}

.tile{display:flex;flex-direction:column;gap:12px;text-decoration:none;color:var(--text);padding:28px;border-radius:16px;background:var(--soft)}
.tile:hover{color:var(--text);background:#E8EEF5}
.tile .bar{width:40px;height:4px;border-radius:2px;background:var(--accent)}
.tile .t{font-family:var(--display);font-size:21px;font-weight:600}
.tile .s{font-size:15px;line-height:1.6;color:var(--muted)}

.everyone{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:center;text-decoration:none;color:var(--ink);background:var(--accent);border-radius:20px;padding:44px}
.everyone:hover{color:var(--ink)}
.everyone .art{aspect-ratio:1/1;border-radius:16px;background:var(--ink);display:flex;align-items:center;justify-content:center}
.everyone .k{margin:0 0 12px;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.everyone h2{font-size:38px;line-height:1.1;font-weight:700;margin-bottom:14px}
.everyone p{margin:0 0 22px;font-size:17px;max-width:520px}

.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:var(--text)}
a.card:hover{color:var(--text);border-color:#CBD5E1}
.card .img{height:150px;width:100%;object-fit:contain;background:#fff;border-bottom:1px solid var(--line)}
.card .ph{height:150px;background:var(--soft);border-bottom:1px dashed #94A3B8;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}
.card .b{padding:20px;display:flex;flex-direction:column;gap:8px}
.card .k{margin:0;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-text)}
.card h3{font-size:18px;line-height:1.35}
.card .au{margin:0;font-size:13px;color:var(--muted)}

.proj{display:flex;flex-direction:column;gap:10px;padding:24px;border:1px solid var(--line);border-radius:16px;text-decoration:none;color:var(--text)}
.proj:hover{color:var(--text);border-color:#CBD5E1}
.proj .logo{height:48px;width:auto;align-self:flex-start}
.proj .nologo{height:48px;display:flex;align-items:center;font-family:var(--display);font-size:22px;font-weight:700;color:var(--accent-text)}
.proj .n{font-family:var(--display);font-size:20px;font-weight:600}
.proj .d{font-size:14px;line-height:1.55;color:var(--muted)}

.band{background:var(--ink);color:#fff;margin-top:72px}
.band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding-top:56px;padding-bottom:56px}
.band h2{font-size:26px;margin-bottom:6px}
.band p{margin:0;font-size:16px;color:#CBD5E1}
.site-footer{background:var(--ink-3);color:#94A3B8;font-size:14px}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:28px;padding-bottom:28px}
.site-footer a{color:#CBD5E1}
.prose{max-width:760px;font-size:17px;line-height:1.7;color:var(--text-2)}
.prose h2{font-size:28px;margin:40px 0 12px;color:var(--text)}
.prose h3{font-size:20px;margin:28px 0 8px;color:var(--text)}
.note{padding:24px 28px;border:1px dashed #94A3B8;border-radius:16px;background:#F8FAFC;color:var(--muted)}

/* ---------- publications ---------- */
.toolbar{background:var(--soft);border-bottom:1px solid var(--line)}
.toolbar .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding-top:20px;padding-bottom:20px}
.toolbar input,.toolbar select{height:44px;border:1px solid #CBD5E1;border-radius:999px;font:inherit;font-size:15px;background:#fff;color:var(--ink);padding:0 16px}
.toolbar input{flex:1 1 280px;min-width:0}
.chip{height:44px;padding:0 16px;border-radius:999px;border:1px solid #CBD5E1;background:#fff;color:var(--ink);font:inherit;font-size:14px;font-weight:500;cursor:pointer}
.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.chip.sel[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.pubs{max-width:920px;padding-top:32px;padding-bottom:64px}
.count{margin:0 0 8px;font-size:14px;color:var(--muted)}
.year{padding-top:24px}
.year h2{font-size:28px;border-bottom:2px solid var(--ink);padding-bottom:8px}
.pub{display:grid;grid-template-columns:132px minmax(0,1fr);gap:24px;padding:20px 0;border-bottom:1px solid var(--line);align-items:start}
.pub .thumb{width:100%;aspect-ratio:3/2;object-fit:contain;border:1px solid var(--line);border-radius:10px;background:#fff;display:block;cursor:zoom-in}
.pub .ph{width:100%;aspect-ratio:3/2;border:1px dashed #94A3B8;border-radius:10px;background:var(--soft);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted)}
.pub .jn,.card .jt{background-color:var(--ink);background-image:radial-gradient(circle,#2B3A55 1.4px,transparent 1.6px);background-size:16px 16px;color:#fff;font-family:var(--display);font-weight:600;text-align:center}
.pub .jn{width:100%;aspect-ratio:3/2;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:8px;font-size:13px;line-height:1.25}
.card .jt{border-bottom:0;font-size:17px;padding:16px}
.card .jt span{border-bottom:2px solid var(--accent);padding-bottom:4px}
.pub .badges{margin:0 0 6px;display:flex;flex-wrap:wrap;gap:8px}
.badge{padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}
.badge.star{background:#FEF3C7;color:#7C4400}.badge.pre{background:#E0E7FF;color:#3730A3}
.pub h3{font-size:18px;line-height:1.35;margin-bottom:6px}
.pub .au{margin:0 0 6px;font-size:14px;color:var(--text-2)}
.pub .ref{margin:0 0 10px;font-size:14px;font-style:italic}
.pub .links{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:14px}
.pub .links a{font-weight:600}
.tag{padding:3px 10px;border-radius:999px;background:var(--soft);color:var(--text-2);font-size:12px}
.more{text-align:center;padding:32px 0}
.more button{height:48px;padding:0 28px;border-radius:999px;border:1px solid var(--ink);background:#fff;font:inherit;font-size:15px;font-weight:600;cursor:pointer}
.empty{padding:32px 0;color:var(--muted)}
.lightbox{position:fixed;inset:0;background:rgba(10,17,29,.85);display:none;align-items:center;justify-content:center;z-index:50;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(720px,100%);max-height:85vh;background:#fff;border-radius:12px;padding:12px}

/* ---------- people ---------- */
.lead-card{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;align-items:center;padding:32px;border-radius:20px;background:var(--soft)}
.avatar{border-radius:50%;background:var(--ink);color:var(--accent);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:600;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.avatar.big{width:220px;max-width:100%;aspect-ratio:1/1;height:auto;border-radius:16px;font-size:64px}
.avatar.sm{width:88px;height:88px;font-size:28px}
.person{display:flex;flex-direction:column;gap:8px;padding:20px;border:1px solid var(--line);border-radius:16px}
.person h3{font-size:18px;line-height:1.3;margin-top:6px}
.person .r{margin:0;font-size:14px;color:var(--text-2)}
.person .f{margin:0;font-size:13px;color:var(--accent-text);font-weight:600}
.person .l{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:auto;padding-top:6px;font-size:13px;font-weight:600}
.alumni-row{display:grid;grid-template-columns:72px minmax(0,1fr);gap:16px;padding:14px 0;border-top:1px solid var(--line);align-items:baseline}
.alumni-row .y{font-family:var(--display);font-size:18px;font-weight:600;color:var(--accent-text)}
.alumni-row .n{display:flex;flex-wrap:wrap;gap:8px}
.alumni-row .n span{padding:6px 12px;border-radius:999px;background:var(--soft);font-size:14px}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .g4,.g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero h1{font-size:48px}
}
@media (max-width:820px){
  .menu-btn{display:flex}
  .site-header .wrap{flex-wrap:wrap}
  .nav{display:none;flex-basis:100%;flex-direction:column;gap:0;padding:4px 0 12px;border-bottom:1px solid var(--line-dark)}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid #1E2A40;font-size:17px;color:#fff}
  .g2,.highlight,.everyone,.lead-card{grid-template-columns:minmax(0,1fr)}
  .everyone .art{max-width:200px}
}
@media (max-width:600px){
  .wrap{padding-left:20px;padding-right:20px}
  .g4,.g3{grid-template-columns:minmax(0,1fr)}
  .hero .wrap{padding-top:44px;padding-bottom:40px}
  .hero h1{font-size:36px}
  .hero p.lead{font-size:16px}
  .page-head h1{font-size:36px}
  .sec h2,.highlight h2{font-size:27px}
  .highlight,.everyone{padding:24px;gap:18px}
  .everyone h2{font-size:27px}
  .pub{grid-template-columns:88px minmax(0,1fr);gap:14px}
  .pub h3{font-size:16px}
  .dots{margin-top:28px}
}