/* Dr. Imran Javaid — site stylesheet (v9, "modern executive") */
:root{
  --bg:#ffffff; --paper:#f4f6f9; --paper-2:#eaeef4;
  --ink:#0b1a30; --text:#2a3648; --muted:#5b687a; --faint:#8a95a5;
  --line:#dfe4eb; --line-strong:#c9d1dc;
  --navy:#0b1f3f; --navy-2:#12305c; --on-navy:#e9eef6; --on-navy-muted:#a9b7cc;
  --accent:#1f4fd1; --accent-ink:#173da3; --accent-soft:#e8eefc;
  --gold:#b0873a;
  --radius:14px; --radius-sm:10px; --max:1180px;
  --shadow:0 1px 2px rgba(11,26,48,.05),0 8px 24px rgba(11,26,48,.06);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --display:"Manrope","Inter",system-ui,sans-serif;
}
:root{--accent-ink:#173da3}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0a1322; --paper:#0f1b2e; --paper-2:#14233a;
  --ink:#eef3fa; --text:#c9d3e1; --muted:#96a3b6; --faint:#6f7c90;
  --line:#1f2e46; --line-strong:#2b3d5a;
  --navy:#07101e; --navy-2:#0e1c33; --on-navy:#eef3fa; --on-navy-muted:#9fb0c8;
  --accent:#7ea2ff; --accent-ink:#a9c0ff; --accent-soft:#16264a; --gold:#d4ad62;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.25);
}}
:root[data-theme="dark"]{
  --bg:#0a1322; --paper:#0f1b2e; --paper-2:#14233a;
  --ink:#eef3fa; --text:#c9d3e1; --muted:#96a3b6; --faint:#6f7c90;
  --line:#1f2e46; --line-strong:#2b3d5a;
  --navy:#07101e; --navy-2:#0e1c33; --on-navy:#eef3fa; --on-navy-muted:#9fb0c8;
  --accent:#7ea2ff; --accent-ink:#a9c0ff; --accent-soft:#16264a; --gold:#d4ad62;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--font);font-feature-settings:"cv11","ss01";overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800}
h3{font-size:1.14rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em;text-wrap:pretty}
.wrap{width:min(var(--max),100% - 40px);margin-inline:auto}
.section{padding:88px 0}
.section.tight{padding:56px 0}
.section.alt{background:var(--paper)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:700 .74rem/1 var(--font);letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor}
.lead{font-size:1.14rem;color:var(--muted);max-width:62ch}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:44px}
.sec-head p{color:var(--muted);margin:0}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:var(--bg);padding:8px 12px;border-radius:8px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-family:var(--display);font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand-mark{width:36px;height:36px;border-radius:9px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:.86rem;letter-spacing:.02em;border:1px solid var(--line-strong)}
.brand small{display:block;font:500 .72rem/1.2 var(--font);color:var(--muted);letter-spacing:0}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{color:var(--text);font-size:.92rem;font-weight:500;padding:8px 11px;border-radius:8px}
.nav a:hover{background:var(--paper);text-decoration:none;color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:650;box-shadow:inset 0 -2px 0 var(--accent)}
.nav .nav-cta{margin-left:8px;background:var(--navy);color:#fff;font-weight:600}
.nav .nav-cta:hover{background:var(--navy-2);color:#fff}
.icon-btn{border:1px solid var(--line);background:transparent;color:var(--text);width:38px;height:38px;border-radius:9px;display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{background:var(--paper)}
.menu-btn{display:none}
@media (max-width:1020px){
  .menu-btn{display:grid;margin-left:auto}
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;padding:12px 20px 20px;background:var(--bg);border-bottom:1px solid var(--line);display:none;gap:0}
  .nav.open{display:flex}
  .nav a{padding:12px 8px;border-bottom:1px solid var(--line);border-radius:0}
  .nav .nav-cta{margin:12px 0 0;text-align:center;border-radius:9px}
  .nav a[aria-current="page"]{box-shadow:none;color:var(--accent-ink)}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:10px;font-weight:600;font-size:.95rem;border:1px solid transparent;transition:background .15s,border-color .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#1a43b5}
:root[data-theme="dark"] .btn-primary{color:#07101e}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-primary{color:#07101e}}
.btn-light{background:#fff;color:#0b1f3f}
.btn-light:hover{background:#e9eef6}
.btn-outline{border-color:var(--line-strong);color:var(--ink)}
.btn-outline:hover{background:var(--paper)}
.btn-ghost-dark{border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08)}
.actions{display:flex;flex-wrap:wrap;gap:12px}

/* hero */
.hero{background:var(--navy);color:var(--on-navy);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 480px at 85% -10%,rgba(78,121,230,.28),transparent 60%),
  radial-gradient(600px 400px at -10% 110%,rgba(176,135,58,.16),transparent 60%);pointer-events:none}
.hero .net{position:absolute;right:-60px;top:-40px;width:620px;opacity:.16;pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.35fr .9fr;gap:64px;align-items:center;padding:84px 0 72px}
.hero h1{color:#fff;margin-bottom:14px}
.hero .role{font:600 1.05rem/1.5 var(--font);color:#fff;margin-bottom:6px}
.hero .affil{color:var(--on-navy-muted);margin-bottom:26px}
.hero .lead{color:var(--on-navy);opacity:.9;margin-bottom:30px;font-size:1.12rem}
.hero .eyebrow{color:#d8b56f}
.profile-row{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:28px;font-size:.88rem}
.profile-row a{color:var(--on-navy-muted)}
.profile-row a:hover{color:#fff}
.portrait{position:relative;justify-self:end;width:min(360px,100%)}
.portrait .frame{aspect-ratio:4/5;border-radius:18px;overflow:hidden;background:linear-gradient(160deg,#1a3a6e,#0d2346);border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait .mono{font:800 5.4rem/1 var(--display);color:rgba(255,255,255,.9);letter-spacing:-.04em}
.portrait .mono small{display:block;text-align:center;font:600 .72rem/1 var(--font);letter-spacing:.2em;color:#d8b56f;margin-top:14px}
.portrait .badge{position:absolute;left:-28px;bottom:26px;background:#fff;color:#0b1a30;border-radius:12px;padding:14px 16px;box-shadow:0 18px 40px rgba(0,0,0,.25);font-size:.84rem;line-height:1.35;max-width:230px}
.portrait .badge strong{display:block;font-family:var(--display);font-size:.98rem}
.portrait .badge span{color:#5b687a}

/* page hero (inner pages) */
.page-hero{background:var(--navy);color:var(--on-navy);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 90% -20%,rgba(78,121,230,.25),transparent 60%);pointer-events:none}
.page-hero .wrap{position:relative;padding:72px 0 60px}
.page-hero h1{color:#fff;font-size:clamp(2rem,4vw,3rem);max-width:22ch}
.page-hero .lead{color:var(--on-navy-muted);margin:0}
.page-hero .eyebrow{color:#d8b56f}
.crumbs{font-size:.82rem;color:var(--on-navy-muted);margin-bottom:18px}
.crumbs a{color:var(--on-navy-muted)}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);box-shadow:var(--shadow);margin-top:-44px;position:relative;z-index:2}
.metric{padding:24px 22px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0}
.metric b{display:block;font:800 2.1rem/1 var(--display);color:var(--ink);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.metric span{display:block;font-weight:600;color:var(--ink);margin-top:8px;font-size:.93rem}
.metric em{display:block;font-style:normal;color:var(--faint);font-size:.78rem;margin-top:2px}

.metrics.m4{grid-template-columns:repeat(4,1fr)}
.metrics.m4 .metric{border-top:0!important}
/* cards & grids */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:border-color .15s,box-shadow .15s}
.section.alt .card{background:var(--bg)}
.card:hover{border-color:var(--line-strong)}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);margin:0;font-size:.96rem}
.card .num{font:800 .8rem/1 var(--display);color:var(--accent-ink);letter-spacing:.08em;margin-bottom:18px;display:block}
.card .meta{font-size:.8rem;color:var(--faint);margin-top:14px;display:block}
a.card{display:block;color:inherit}
a.card:hover{text-decoration:none;box-shadow:var(--shadow)}
.card .more{display:inline-block;margin-top:14px;font-weight:600;font-size:.9rem;color:var(--accent-ink)}
.tag{display:inline-block;font-size:.74rem;font-weight:600;padding:4px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent-ink);white-space:nowrap}
.tag.gold{background:color-mix(in srgb,var(--gold) 14%,transparent);color:var(--gold)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.split.wide{grid-template-columns:1.25fr .75fr}
.prose p{font-size:1.04rem}
.prose p:first-child{color:var(--ink);font-size:1.12rem}

/* venues strip */
.venues{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;justify-content:center}
.venues span{font:700 .98rem/1.3 var(--display);color:var(--muted);letter-spacing:-.01em;white-space:nowrap}
.venues span:not(:last-child)::after{content:"·";margin-left:28px;color:var(--line-strong)}

/* publication list */
.pub-list{list-style:none;margin:0;padding:0}
.pub{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:20px 0;border-top:1px solid var(--line)}
.pub:last-child{border-bottom:1px solid var(--line)}
.pub .yr{font:700 .95rem/1.4 var(--display);color:var(--faint);font-variant-numeric:tabular-nums}
.pub .t{font:650 1.04rem/1.4 var(--font);color:var(--ink);margin:0 0 4px}
.pub .a{color:var(--muted);font-size:.93rem;margin:0}
.pub .a b{color:var(--ink);font-weight:650}
.pub .v{color:var(--text);font-size:.93rem;font-style:italic;margin:2px 0 0}
.pub .row{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin-top:8px;font-size:.84rem}
.pub .row a{font-weight:600}
[data-group] .pub{grid-template-columns:1fr}[data-group] .pub .yr{display:none}
.year-head{font:800 1.5rem/1 var(--display);color:var(--ink);margin:44px 0 6px;display:flex;align-items:baseline;gap:12px}
.year-head small{font:500 .85rem var(--font);color:var(--faint)}

/* toolbar / filters */
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);margin-bottom:10px;position:sticky;top:78px;z-index:5}
.toolbar input,.toolbar select{font:inherit;font-size:.93rem;padding:10px 12px;border:1px solid var(--line-strong);border-radius:9px;background:var(--bg);color:var(--ink);min-width:0}
.toolbar input{flex:1 1 260px}
.toolbar .count{font-size:.86rem;color:var(--muted);margin-left:auto}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 8px}
.chip{border:1px solid var(--line-strong);background:var(--bg);color:var(--text);padding:7px 13px;border-radius:999px;font:inherit;font-size:.85rem;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
:root[data-theme="dark"] .chip[aria-pressed="true"]{background:var(--accent);color:#07101e;border-color:var(--accent)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .chip[aria-pressed="true"]{background:var(--accent);color:#07101e;border-color:var(--accent)}}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:.94rem}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--paper);font-weight:700}
tr:last-child td{border-bottom:0}
td.name{font-weight:650;color:var(--ink);white-space:nowrap}
td.yr{font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--muted)}
.status{font-size:.76rem;font-weight:600;padding:3px 9px;border-radius:999px;white-space:nowrap}
.status.done{background:color-mix(in srgb,#1f9d62 14%,transparent);color:#178150}
.status.prog{background:var(--accent-soft);color:var(--accent-ink)}
.status.sub{background:color-mix(in srgb,var(--gold) 16%,transparent);color:var(--gold)}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;border-left:2px solid var(--line);margin-left:6px}
.timeline li{position:relative;padding:0 0 26px 26px}
.timeline li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}
.timeline li:first-child::before{background:var(--accent)}
.timeline .when{font-size:.8rem;font-weight:700;color:var(--gold);letter-spacing:.04em}
.timeline .what{font:700 1.03rem/1.35 var(--display);color:var(--ink);margin:2px 0}
.timeline .where{color:var(--muted);font-size:.93rem}

/* trajectory */
.trajectory{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.trajectory > div{padding:26px 22px;border-left:1px solid var(--line);background:var(--bg);position:relative}
.trajectory > div:first-child{border-left:0}
.trajectory .era{font-size:.76rem;font-weight:700;color:var(--gold);letter-spacing:.08em;text-transform:uppercase}
.trajectory h3{margin:8px 0 8px}
.trajectory p{color:var(--muted);font-size:.93rem;margin:0}
.trajectory > div:not(:last-child)::after{content:"→";position:absolute;right:-11px;top:26px;width:22px;height:22px;border-radius:50%;background:var(--bg);border:1px solid var(--line);display:grid;place-items:center;font-size:.75rem;color:var(--accent-ink);z-index:1}

/* lists */
.check{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.check li{padding-left:26px;position:relative}
.check li::before{content:"";position:absolute;left:2px;top:.58em;width:12px;height:2px;background:var(--accent)}
.cols{columns:2;column-gap:40px}
.cols li{break-inside:avoid}
.pill-cloud{display:flex;flex-wrap:wrap;gap:8px}
.pill-cloud span{border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:7px 13px;font-size:.88rem;color:var(--text)}

/* talk list */
.talk{display:grid;grid-template-columns:70px 1fr auto;gap:18px;padding:18px 0;border-top:1px solid var(--line);align-items:start}
.talk .yr{font:800 1rem/1.4 var(--display);color:var(--faint)}
.talk h3{font-size:1.02rem;margin:0 0 3px}
.talk p{margin:0;color:var(--muted);font-size:.92rem}

/* quote / callout */
.callout{background:var(--navy);color:var(--on-navy);border-radius:18px;padding:48px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.callout::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 300px at 100% 0,rgba(78,121,230,.3),transparent 60%);pointer-events:none}
.callout > *{position:relative}
.callout h2{color:#fff}
.callout p{color:var(--on-navy-muted);margin:0}
.callout .actions{justify-content:flex-end}
.formula{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}
.formula span{border:1px solid var(--line-strong);padding:8px 14px;border-radius:10px;font-weight:650;color:var(--ink);background:var(--bg)}
.formula i{font-style:normal;color:var(--accent-ink);font-weight:700}

/* contact */
.contact-card{border:1px solid var(--line);border-radius:18px;padding:32px;background:var(--bg);box-shadow:var(--shadow)}
.contact-line{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
.contact-line:first-of-type{border-top:0}
.contact-line b{min-width:110px;color:var(--ink);font-weight:650}

/* footer */
.site-footer{background:var(--navy);color:var(--on-navy-muted);padding:56px 0 30px;font-size:.92rem}
.site-footer .top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer h4{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-family:var(--font);margin-bottom:14px}
.site-footer a{color:var(--on-navy-muted)}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer .brand{color:#fff;margin-bottom:14px}
.site-footer .bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:.82rem}

/* responsive */
@media (max-width:1020px){
  .hero .wrap{grid-template-columns:1fr;gap:40px;padding:56px 0 80px}
  .portrait{justify-self:start;width:min(300px,100%)}
  .portrait .badge{left:auto;right:-12px}
  .metrics{grid-template-columns:repeat(3,1fr)}
  .metric:nth-child(4){border-left:0}
  .metric:nth-child(n+4){border-top:1px solid var(--line)}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .split,.split.wide,.sec-head,.callout{grid-template-columns:1fr;gap:28px}
  .callout .actions{justify-content:flex-start}
  .trajectory{grid-template-columns:1fr 1fr}
  .trajectory > div:nth-child(3){border-left:0}
  .trajectory > div:nth-child(n+3){border-top:1px solid var(--line)}
  .trajectory > div::after{display:none}
  .site-footer .top{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wrap{width:calc(100% - 32px)}
  .section{padding:64px 0}
  .metrics{grid-template-columns:1fr 1fr}
  .metric{border-left:0!important;border-top:1px solid var(--line)}
  .metric:nth-child(-n+2){border-top:0}
  .metric:nth-child(even){border-left:1px solid var(--line)!important}
  .metric:last-child{grid-column:1/-1}
  .metric b{font-size:1.8rem}
  .metrics.m4{grid-template-columns:1fr 1fr}
  .metrics.m4 .metric:nth-child(n+3){border-top:1px solid var(--line)!important}
  .metrics.m4 .metric:last-child{grid-column:auto}
  .venues{gap:8px 14px}.venues span{white-space:normal;text-align:center;font-size:.9rem}
  .venues span:not(:last-child)::after{margin-left:14px}
  .g2,.g3,.g4,.trajectory{grid-template-columns:1fr}
  .trajectory > div{border-left:0!important;border-top:1px solid var(--line)}
  .trajectory > div:first-child{border-top:0}
  .pub{grid-template-columns:1fr;gap:4px}
  .talk{grid-template-columns:1fr;gap:4px}
  .cols{columns:1}
  .callout{padding:32px 24px}
  .toolbar{position:static}
  .site-footer .top{grid-template-columns:1fr}
  .brand small{display:none}
  .portrait{width:min(240px,100%)}
  .hero .net{opacity:.08}
  .portrait .badge{position:static;margin-top:-30px;margin-left:16px;max-width:none;display:inline-block}
  td.name{white-space:normal}
}
@media print{.site-header,.site-footer,.toolbar,.chips{display:none}.hero,.page-hero{background:none;color:#000}.hero h1,.page-hero h1{color:#000}}
:root[data-theme="dark"] .nav .nav-cta{background:var(--accent);color:#07101e}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .nav .nav-cta{background:var(--accent);color:#07101e}}

/* lectures: course tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:36px;overflow-x:auto;scrollbar-width:thin}
.tab{appearance:none;background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-1px;padding:14px 18px;font:600 .96rem/1.2 var(--font);color:var(--muted);cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;gap:10px}
.tab:hover{color:var(--ink)}
.tab[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.tab:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:6px 6px 0 0}
.tab-count{font-size:.74rem;font-weight:700;min-width:22px;padding:2px 7px;border-radius:999px;background:var(--paper-2);color:var(--muted);text-align:center;font-variant-numeric:tabular-nums}
.tab[aria-selected="true"] .tab-count{background:var(--accent-soft);color:var(--accent-ink)}
.course-head{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:start;margin-bottom:36px}
.course-head h2{margin:14px 0 10px}
.course-head .lead{margin:0}
.lec-bar{font-size:.84rem;font-weight:600;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;padding-bottom:10px}
.lec-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.lec{display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line)}
.lec-no{font:800 1.05rem/1.4 var(--display);color:var(--accent-ink);font-variant-numeric:tabular-nums}
.lec h3{font-size:1.06rem;margin:0 0 4px}
.lec p{color:var(--muted);font-size:.94rem;margin:0}
.lec .tags{align-items:center;margin-top:10px}
.lec .meta{font-size:.8rem;color:var(--faint)}
.lec-act{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.btn-sm{padding:8px 14px;font-size:.86rem}
.lec-empty{padding:40px 0;color:var(--muted);text-align:center;border-bottom:1px solid var(--line)}
@media (max-width:1020px){.course-head{grid-template-columns:1fr;gap:24px}}
@media (max-width:640px){.lec{grid-template-columns:1fr;gap:6px}.lec-act{align-items:flex-start;flex-direction:row;gap:12px;margin-top:8px}.tab{padding:12px 12px}}
@media (max-width:1180px) and (min-width:1021px){.nav a{padding:8px 8px;font-size:.88rem}.brand small{display:none}}
.nav a{white-space:nowrap}
@media (max-width:1400px) and (min-width:1021px){.brand small{display:none}}
@media (max-width:1180px) and (min-width:1021px){.brand > span:last-child{font-size:.95rem}}

/* CV page */
.cv-wrap{max-width:900px}
.cv-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;flex-wrap:wrap;padding-bottom:24px;border-bottom:2px solid var(--ink);margin-bottom:8px}
.cv h1{font-size:clamp(1.9rem,4vw,2.6rem);margin-bottom:6px}
.cv-sub{color:var(--text);margin:0 0 8px}
.cv-contact{font-size:.9rem;color:var(--muted);margin:0}
.cv h2{font-size:1.02rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-ink);margin:34px 0 12px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.cv h3{font-size:.98rem;margin:18px 0 8px}
.cv-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:5px 0;font-size:.94rem}
.cv-when{color:var(--muted);font-variant-numeric:tabular-nums}
.cv-pubs{margin:0;padding-left:26px;font-size:.92rem;display:grid;gap:6px}
.cv-pubs b{color:var(--ink)}
.cv-small .cv-row{font-size:.86rem;padding:3px 0}
.cv-list{margin:0;padding-left:20px;font-size:.94rem}
@media (max-width:640px){.cv-row{grid-template-columns:1fr;gap:0}}
@media print{
  body{font-size:10.5pt;background:#fff;color:#111}
  .noprint,.skip{display:none!important}
  .section.cv{padding:0}
  .cv-wrap{width:100%;max-width:none}
  .cv h2{color:#0b1f3f;break-after:avoid}
  .cv-row,.cv-pubs li{break-inside:avoid}
  a{color:inherit}
}