/* =========================================================
   adeelpu.github.io — site styles
   Palette: deep green-slate hero, warm white pages, amber accent
   ========================================================= */
:root{
  --ink:#1b2420;
  --ink-2:#36413b;
  --muted:#4a544f;
  --muted-2:#646d68;
  --line:#e6e4dd;
  --paper:#ffffff;
  --paper-2:#faf9f6;
  --deep:#0f1c18;
  --deep-2:#13201b;
  --deep-3:#1b2b24;
  --on-deep:#f2f0ea;
  --on-deep-2:#cdcac0;
  --accent:#e3b05a;
  --link:#7a4f0e;
  --link-hover:#4f3207;
  --serif:'Source Serif 4', Georgia, 'Times New Roman', serif;
  --sans:'Public Sans', 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;
  --wrap:1200px;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--link-hover);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--ink);padding:8px 12px;z-index:100}
.skip:focus{left:8px;top:8px}
h1,h2,h3{line-height:1.2}

/* ---------- Hero / header ---------- */
.hero{background-color:var(--deep);background-image:linear-gradient(90deg,rgba(15,28,24,.94) 0%,rgba(15,28,24,.78) 45%,rgba(15,28,24,.35) 100%),url("../../images/bg_topo.jpg");background-size:cover;background-position:center;color:var(--on-deep)}
.site-header{background:linear-gradient(180deg,rgba(255,255,255,.14) 0%,rgba(255,255,255,.06) 55%,rgba(255,255,255,0) 100%);padding-bottom:28px}
.site-nav{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:18px}
.brand{display:flex;flex-direction:column;color:#fff;line-height:1.2;min-width:0}
.brand:hover{color:#fff;text-decoration:none}
.brand-name{font-family:var(--serif);font-size:22px;font-weight:600}
.brand-sub{font-size:13px;color:#c9cec8;letter-spacing:.02em}
.nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:6px 24px;margin:0;padding:0;list-style:none;font-size:15px;font-weight:500}
.nav-links a{color:#e8ebe6;padding:4px 0;border-bottom:2px solid transparent}
.nav-links a:hover{color:#fff;text-decoration:none;border-bottom-color:rgba(255,255,255,.5)}
.nav-links a[aria-current="page"]{color:#fff;border-bottom-color:var(--accent)}
.nav-links a.nav-cv{color:#fff;border:1px solid rgba(255,255,255,.6);border-radius:6px;padding:5px 16px;font-weight:600}
.nav-links a.nav-cv:hover{background:rgba(255,255,255,.1)}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.5);color:#fff;border-radius:6px;padding:8px 12px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;min-height:44px}

.hero-body{display:flex;flex-wrap:wrap;gap:48px;align-items:center;padding-top:48px;padding-bottom:104px}
.hero-text{flex:999 1 560px;min-width:0}
.eyebrow{margin:0 0 18px;font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.hero h1{margin:0;font-family:var(--serif);font-size:54px;line-height:1.08;font-weight:500;letter-spacing:-.01em;max-width:760px}
.hero-lede{margin:22px 0 30px;font-size:18px;color:#d6d3ca;max-width:660px}
.hero-lede a{color:#fff;border-bottom:1px solid rgba(255,255,255,.35)}
.hero-lede a:hover{text-decoration:none;border-bottom-color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.btn{display:inline-block;border-radius:6px;padding:12px 22px;font-weight:600;font-size:15px;line-height:1.3}
.btn:hover{text-decoration:none}
.btn-accent{background:var(--accent);color:#13201b;font-weight:700}
.btn-accent:hover{background:#efc172;color:#13201b}
.btn-ghost{border:1px solid rgba(242,240,234,.55);color:var(--on-deep)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-outline{border:1px solid var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.profile-links{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;font-weight:500;margin:0;padding:0;list-style:none}
.profile-links a{color:#e8e5dc}
.profile-links a:hover{color:#fff}
.portrait-link{flex:0 0 auto;line-height:0}
.portrait{width:220px;height:220px;object-fit:cover;border-radius:50%;border:4px solid rgba(255,255,255,.9)}

/* page hero (inner pages) */
.page-hero .hero-body{padding-top:28px;padding-bottom:64px}
.page-hero h1{font-size:46px}
.crumbs{margin:0 0 14px;font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.crumbs a{color:var(--accent)}
.page-hero .hero-lede{margin-bottom:0}

/* ---------- Affiliations strip ---------- */
.affil{background:var(--paper-2);border-bottom:1px solid var(--line)}
.affil ul{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 28px;margin:0 auto;padding:18px 32px;max-width:var(--wrap);list-style:none;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#5d6762}
.affil a{color:inherit}

/* ---------- Sections ---------- */
main{display:block}
.section{padding-top:88px}
.section:first-child{padding-top:72px}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:26px}
.h2{margin:0;font-family:var(--serif);font-size:34px;font-weight:500}
.more{font-weight:600;font-size:15px}
.two-col{display:flex;flex-wrap:wrap;gap:56px}
.two-col > .main-col{flex:999 1 520px;min-width:0}
.two-col > .side-col{flex:1 1 340px;min-width:0}
.prose p{margin:0 0 14px;color:var(--ink-2)}
.label{font-family:var(--mono);font-size:13px;color:var(--muted-2)}

.news-list{list-style:none;margin:0;padding:0}
.news-list li{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:12px 0;border-top:1px solid var(--line);font-size:15px}
.news-list li:last-child{border-bottom:1px solid var(--line)}
.news-list .when{font-family:var(--mono);font-size:12.5px;color:var(--muted-2);padding-top:3px}

.areas{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px}
.area{border-top:2px solid var(--ink);padding-top:18px}
.area h3{margin:0 0 8px;font-size:20px;font-weight:600}
.area p{margin:0;color:var(--muted);font-size:15.5px}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:28px}
.card{border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;background:#fff}
.card > img{display:block;width:100%;height:190px;object-fit:cover;border-bottom:1px solid var(--line)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex-grow:1}
.kicker{margin:0;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2)}
.card h3{margin:0;font-family:var(--serif);font-size:19px;font-weight:600;line-height:1.32}
.card h3 a{color:var(--ink)}
.card .authors{margin:0;font-size:14px;color:var(--muted)}
.card .links{margin:auto 0 0;padding-top:6px;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;font-weight:600}

.band{background:var(--deep-2);color:var(--on-deep);margin-top:96px}
.band-body{display:flex;flex-wrap:wrap;gap:48px;align-items:center;padding-top:72px;padding-bottom:72px}
.band-text{flex:1 1 340px;min-width:0}
.band-text p{color:var(--on-deep-2)}
.band .h2{color:var(--on-deep)}
.band a.more{color:var(--accent)}
.band-cards{flex:2 1 540px;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.band-card{display:block;background:var(--deep-3);border:1px solid #2a3b33;border-radius:10px;overflow:hidden;color:var(--on-deep)}
.band-card:hover{text-decoration:none;color:#fff;border-color:#4a5d53}
.band-card img{display:block;width:100%;height:150px;object-fit:contain;background:#fff;padding:10px}
.band-card span{display:block;padding:14px 16px 16px;font-size:14px;color:#b9b5aa}
.band-card b{display:block;color:var(--on-deep);font-size:16px}

.feature{display:flex;flex-wrap:wrap;gap:48px;align-items:center;padding-top:88px;padding-bottom:88px}
.feature img{flex:1 1 400px;min-width:0;width:100%;height:320px;object-fit:cover;border-radius:10px}
.feature > div{flex:1 1 400px;min-width:0}

/* ---------- Toolbar (filters / sub-nav) ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:14px 20px;align-items:center;justify-content:space-between;padding:22px 0;border-bottom:1px solid var(--line)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:inherit;font-size:14px;font-weight:600;border:1px solid #cfd3cf;background:#fff;color:var(--ink-2);border-radius:999px;padding:7px 14px;cursor:pointer;min-height:38px;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.chip:hover{border-color:var(--ink);text-decoration:none;color:var(--ink)}
.chip[aria-pressed="true"],.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip .n{font-family:var(--mono);font-size:12px;font-weight:500;opacity:.75}
.search{position:relative;flex:0 1 300px}
.search input{width:100%;font:inherit;font-size:15px;border:1px solid #cfd3cf;border-radius:8px;padding:9px 12px 9px 36px;min-height:42px;background:#fff;color:var(--ink)}
.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--muted-2)}
.result-count{margin:18px 0 0;font-size:14px;color:var(--muted-2)}
.year-jump{display:flex;flex-wrap:wrap;gap:4px 12px;margin:10px 0 0;font-family:var(--mono);font-size:13px}
.year-jump a{color:var(--muted)}

/* ---------- Publication list ---------- */
.year-group{padding-top:28px}
.year-title{margin:0 0 4px;font-family:var(--serif);font-size:28px;font-weight:500;color:var(--ink)}
.entry{display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:start;padding:26px 0;border-top:1px solid var(--line)}
.entry:first-of-type{border-top:0}
.entry .thumb-link{display:block;line-height:0}
.entry .thumb{display:block;width:100%;aspect-ratio:4/3;object-fit:contain;padding:6px;border-radius:8px;border:1px solid var(--line);background:#fff;image-rendering:auto;transition:box-shadow .2s ease}
.entry .thumb-link:hover .thumb{box-shadow:0 4px 18px rgba(0,0,0,.12)}
.entry .type{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border-radius:4px;padding:2px 8px;margin-bottom:6px}
.type-journal{color:#1f4e79;background:#e8f0f8}
.type-conference{color:#8a4a12;background:#fbefe2}
.type-chapter{color:#2f5d3a;background:#e7f1ea}
.type-abstract{color:#5b4a8a;background:#efecf7}
.type-preprint,.type-thesis{color:#4a544f;background:#eeefec}
.type-article{color:#7a2e4a;background:#f7e9ee}
.type-dataset{color:#2f5d3a;background:#e7f1ea}
.type-software{color:#1f4e79;background:#e8f0f8}
.type-app{color:#8a4a12;background:#fbefe2}
.entry .title{display:block;margin:0 0 4px;font-family:var(--serif);font-size:19px;font-weight:600;line-height:1.32}
.entry .title a{color:var(--ink)}
.entry .title a:hover{color:var(--link)}
.entry .authors{margin:0;font-size:15px;color:var(--muted)}
.entry .authors strong{color:var(--ink)}
.entry .venue{margin:2px 0 0;font-size:15px;color:var(--ink-2)}
.entry .award{display:inline-block;margin-left:6px;font-size:12px;font-weight:700;color:#7a4f0e;background:#fbf0d9;border-radius:4px;padding:1px 8px;vertical-align:1px}
.entry .links{margin:8px 0 0;display:flex;flex-wrap:wrap;gap:4px 16px;font-size:14px;font-weight:600}
.entry .summary{margin:10px 0 0;font-size:15px;color:var(--ink-2)}
.empty{padding:40px 0;color:var(--muted)}
.sub-head{margin:48px 0 6px;font-family:var(--serif);font-size:28px;font-weight:500}
.sub-head:first-child{margin-top:28px}
.sub-intro{margin:0 0 6px;color:var(--muted)}

/* ---------- Event cards (talks, conferences, workshops, activities) ---------- */
.subnav{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(6px);border-bottom:1px solid var(--line)}
.subnav .chips{padding-top:12px;padding-bottom:12px}
.event-section{padding-top:56px}
.event-section > .h2{margin-bottom:6px}
.events{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px;margin-top:22px}
.event{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.event .photo{display:block;background:var(--paper-2);border-bottom:1px solid var(--line)}
.event .photo img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;object-position:center 35%}
.event-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex-grow:1}
.event .date{margin:0;font-family:var(--mono);font-size:12.5px;color:var(--muted-2)}
.event h3{margin:0;font-family:var(--serif);font-size:19px;font-weight:600;line-height:1.32}
.event .where{margin:0;font-size:14.5px;color:var(--muted)}
.event .links{margin:auto 0 0;padding-top:8px;display:flex;flex-wrap:wrap;gap:4px 16px;font-size:14px;font-weight:600}

/* ---------- News page ---------- */
.timeline-year{padding-top:36px}
.timeline{list-style:none;margin:10px 0 0;padding:0}
.timeline li{display:grid;grid-template-columns:120px 132px 1fr;gap:16px;align-items:baseline;padding:14px 0;border-top:1px solid var(--line)}
.timeline .when{font-family:var(--mono);font-size:13px;color:var(--muted-2)}
.timeline .what{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2)}
.timeline .text{font-size:15.5px;color:var(--ink-2)}
.timeline .text a{font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:var(--paper-2);border-top:1px solid var(--line);margin-top:88px}
.footer-body{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;padding-top:40px;padding-bottom:24px;font-size:14.5px;color:var(--muted)}
.footer-body > div{flex:1 1 220px}
.footer-body p{margin:0}
.footer-title{margin:0 0 6px !important;font-weight:700;color:var(--ink)}
.footer-name{margin:0 0 6px !important;font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink)}
.footer-note{padding-bottom:28px;font-size:12.5px;color:var(--muted-2)}
.footer-note a{color:inherit;text-decoration:underline}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .entry{grid-template-columns:240px 1fr;gap:22px}
  .hero h1{font-size:42px}
  .page-hero h1{font-size:36px}
  .portrait{width:170px;height:170px}
}
@media (max-width:760px){
  .wrap{padding:0 18px}
  .menu-btn{display:inline-block}
  .nav-links{display:none;width:100%;flex-direction:column;align-items:flex-start;gap:2px;padding:8px 0 4px}
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:8px 0}
  .hero-body{padding-top:20px;padding-bottom:64px;gap:24px}
  .brand-sub{font-size:12px}
  .brand{flex:1 1 0}
  .hero h1{font-size:34px}
  .page-hero h1{font-size:30px}
  .hero-lede{font-size:16.5px}
  .portrait-link{order:-1}
  .portrait{width:120px;height:120px}
  .affil ul{padding:14px 18px;justify-content:flex-start}
  .section{padding-top:56px}
  .h2{font-size:28px}
  .entry{grid-template-columns:1fr;gap:14px}
  .entry .thumb{aspect-ratio:auto;max-height:260px}
  .entry .title{font-size:17px}
  .timeline li{grid-template-columns:1fr;gap:2px}
  .events{grid-template-columns:1fr}
  .feature{padding-top:56px;padding-bottom:56px}
  .feature img{height:220px}
  .band-body{padding-top:56px;padding-bottom:56px}
  .search{flex-basis:100%}
}
@media print{
  .hero,.site-header,.subnav,.toolbar,.site-footer,.band{background:none !important;color:#000}
  .menu-btn,.toolbar{display:none}
}

/* ---------- Icon links (link rows and profile links) ---------- */
.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.links{align-items:center}
.entry .links,.card .links,.event .links{gap:8px}
.ico{position:relative;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--line);border-radius:8px;color:var(--ink-2);background:#fff;transition:color .15s ease,border-color .15s ease,background .15s ease}
.ico:hover{color:var(--link);border-color:#d9b675;background:#fdf8ee;text-decoration:none}
.ico[data-tip]:hover::after,.ico[data-tip]:focus-visible::after{content:attr(data-tip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);white-space:nowrap;background:var(--ink);color:#fff;font-size:12.5px;font-weight:600;line-height:1.2;padding:6px 9px;border-radius:6px;pointer-events:none;z-index:10}
.ico[data-tip]:hover::before,.ico[data-tip]:focus-visible::before{content:"";position:absolute;bottom:calc(100% + 3px);left:50%;transform:translateX(-50%);border:5px solid transparent;border-top-color:var(--ink);border-bottom:0;pointer-events:none;z-index:10}
.profile-links{gap:10px}
.ico-lg{width:42px;height:42px;border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.04);color:#e8e5dc}
.ico-lg .i{width:21px;height:21px}
.ico-lg:hover{color:#13201b;background:var(--accent);border-color:var(--accent)}
.ico-lg[data-tip]:hover::after,.ico-lg[data-tip]:focus-visible::after{background:#fff;color:var(--ink)}
.ico-lg[data-tip]:hover::before,.ico-lg[data-tip]:focus-visible::before{border-top-color:#fff}