/* =====================================================================
   site.css - look and feel of the whole website
   Colours come from the University of Kurdistan logo (blue + crimson).
   To change a colour for the whole site, edit the :root block only.
   ===================================================================== */
:root{
  --navy:#0f1d3f;
  --blue:#2f529e;          /* UoK blue   */
  --blue-soft:#e8edf8;
  --crimson:#d52551;       /* UoK crimson */
  --ink:#1b2236;
  --muted:#586178;
  --line:#dde2ee;
  --bg:#f5f7fb;
  --paper:#ffffff;
  --link:#2f529e;
  --link-hover:#d52551;
  --measure:50rem;         /* width of normal text pages */
  --wide:72rem;            /* width of cards / home page  */
  --radius:14px;
  --shadow:0 1px 2px rgba(15,29,63,.06),0 8px 24px rgba(15,29,63,.08);
  --serif:Georgia,"Iowan Old Style","Palatino Linotype",Palatino,"Times New Roman",serif;
  --sans:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{--ink:#e7eaf4;--muted:#a3adc4;--line:#27314d;--bg:#0b1226;--paper:#111a33;--link:#8fb0f5;--link-hover:#ff7b9b;--blue-soft:#16213f;
        --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35)}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.65 var(--sans);overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--link-hover)}
:focus-visible{outline:3px solid var(--crimson);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--crimson);color:#fff;padding:.6rem 1rem;z-index:100}
.skip-link:focus{left:0}

/* ---------- header / navigation ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
@media (prefers-color-scheme:dark){.site-header{background:rgba(11,18,38,.9)}}
.bar{max-width:var(--wide);margin:0 auto;padding:.55rem 1.25rem;display:flex;align-items:center;gap:1.25rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink);margin-right:auto}
.brand:hover{color:var(--ink)}
.brand-logo{width:44px;height:auto;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font:700 1.15rem var(--serif);letter-spacing:.01em}
.brand-sub{font-size:.78rem;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.spectrum{height:3px;background:linear-gradient(90deg,var(--blue) 0%,#6f8fd8 45%,var(--crimson) 100%)}
.site-nav{display:flex}
.nav-first{display:none}
.nav-group{position:relative}
.nav-cat{display:block;padding:.7rem .85rem;font-weight:600;font-size:.95rem;color:var(--ink);cursor:default;border-bottom:2px solid transparent}
.nav-cat::after{content:"";display:inline-block;margin-left:.4rem;width:.35em;height:.35em;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-.15em) rotate(45deg);opacity:.55}
.nav-group:hover>.nav-cat,.nav-group:focus-within>.nav-cat{color:var(--link-hover)}
.nav-group:has(a.current)>.nav-cat{border-bottom-color:var(--crimson)}
.nav-items{display:none;position:absolute;right:0;top:100%;min-width:15.5rem;background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:.4rem;z-index:60}
.nav-group:hover>.nav-items,.nav-group:focus-within>.nav-items{display:block}
.nav-items a{display:block;padding:.5rem .8rem;border-radius:8px;color:var(--ink);text-decoration:none;font-size:.95rem}
.nav-items a:hover{background:var(--blue-soft);color:var(--blue)}
.nav-items a.current{background:var(--blue-soft);color:var(--crimson);font-weight:600}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.nav-burger{display:none;align-items:center;gap:.4rem;cursor:pointer;padding:.5rem .7rem;border:1px solid var(--line);border-radius:10px;font-size:.9rem}
.nav-burger span{display:block;width:18px;height:2px;background:var(--ink);margin:2px 0}
.nav-burger b{font-weight:600;margin-left:.3rem}
.nav-burger{flex-direction:row}
@media (max-width:62rem){
  .nav-burger{display:flex;flex-wrap:wrap;width:auto;max-width:6.5rem}
  .nav-burger span{display:none}
  .nav-burger::before{content:"\2630";font-size:1.1rem;line-height:1}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;padding:.5rem 1.25rem 1rem;box-shadow:var(--shadow);max-height:80vh;overflow:auto}
  .nav-toggle:checked~.site-nav{display:flex}
  .nav-toggle:focus-visible~.nav-burger{outline:3px solid var(--crimson)}
  .nav-cat{padding:.8rem 0 .2rem;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);border:0!important}
  .nav-cat::after{display:none}
  .nav-items{display:block;position:static;border:0;box-shadow:none;padding:0 0 .3rem;min-width:0;background:transparent}
  .nav-items a{padding:.55rem .6rem}
}
@media (max-width:30rem){.brand-sub{display:none}}

/* ---------- page head (title band) ---------- */
.page-head{position:relative;color:#fff;background:
  radial-gradient(1200px 300px at 85% -40%,rgba(213,37,81,.35),transparent 60%),
  linear-gradient(120deg,var(--navy) 0%,#17316f 100%);overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;opacity:.18;background-image:radial-gradient(circle,#fff 1.5px,transparent 2px);background-size:26px 26px;-webkit-mask-image:linear-gradient(90deg,transparent 30%,#000);mask-image:linear-gradient(90deg,transparent 30%,#000)}
.page-head-in{position:relative;max-width:var(--measure);margin:0 auto;padding:2.6rem 1.25rem 2.2rem}
.page-head h1{margin:0;font:700 clamp(1.9rem,4.6vw,2.7rem)/1.15 var(--serif);letter-spacing:.005em}
.page-head .lead{margin:.6rem 0 0;font-size:1.1rem;color:#cfd9f3;max-width:42rem}
.page-body{padding:0 0 3rem}
.page-body>*{width:min(100% - 2.5rem,var(--measure));margin-left:auto;margin-right:auto}
.page-body>.wide,.page-body>.hero,.page-body>.page-head{width:auto;max-width:none;margin:0}

/* ---------- typography inside pages ---------- */
h2,h3{font-family:var(--serif);line-height:1.25;color:var(--ink)}
h2{font-size:1.55rem;margin-top:2.6rem;margin-bottom:.9rem;padding-bottom:.45rem;border-bottom:1px solid var(--line)}
h2::before{content:"";display:inline-block;width:.32rem;height:.95em;background:var(--crimson);margin-right:.65rem;border-radius:2px;vertical-align:-.1em}
h3{font-size:1.2rem;margin-top:1.8rem;margin-bottom:.5rem;color:var(--blue)}
@media (prefers-color-scheme:dark){h3{color:var(--link)}}
p{margin:.9rem 0}
ul,ol{padding-left:1.35rem;margin:.8rem 0}
li{margin:.35rem 0}
li>p{margin:0}
li::marker{color:var(--crimson)}
li>ul{margin:.3rem 0}
dt{font-weight:600;margin-top:.9rem}
dd{margin:.1rem 0 0 1.2rem}
tt,code{font:.92em/1.4 ui-monospace,Consolas,monospace;background:var(--blue-soft);padding:.05em .35em;border-radius:5px}
hr{border:0;border-top:1px solid var(--line)}

/* ---------- tables ---------- */
table{border-collapse:collapse;width:100%;font-size:.97rem;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:table}
td,th{padding:.6rem .85rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
tr.r1 td{background:var(--navy);color:#fff;font-weight:600;font-size:.88rem;letter-spacing:.03em}
tr.r1 b{font-weight:600}
tr:last-child td{border-bottom:0}
@media (max-width:40rem){table{display:block;overflow-x:auto;font-size:.88rem}td,th{padding:.5rem .6rem}}
/* jemdoc image + text block (used on profile cards) */
table.imgtable{border:0;background:transparent;margin:1.2rem auto;display:table;overflow:visible}
table.imgtable img{max-width:none}
@media (max-width:40rem){table.imgtable,table.imgtable tbody,table.imgtable tr,table.imgtable td{display:block}table.imgtable td{padding:0 0 1rem!important}table.imgtable{font-size:1rem}table.imgtable img{max-width:min(100%,220px)}}
table.imgtable td{border:0;padding:0 1.2rem 0 0;vertical-align:top}
table.imgtable img{border-radius:var(--radius);box-shadow:var(--shadow)}

/* ---------- info blocks ---------- */
.infoblock{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);margin:1.4rem auto;overflow:hidden;box-shadow:0 1px 2px rgba(15,29,63,.04)}
.blocktitle{background:var(--blue-soft);color:var(--blue);font:600 .82rem var(--sans);letter-spacing:.08em;text-transform:uppercase;padding:.6rem 1rem;border-bottom:1px solid var(--line)}
@media (prefers-color-scheme:dark){.blocktitle{color:var(--link)}}
.blockcontent{padding:.2rem 1.1rem .5rem}
.blockcontent ul,.blockcontent ol{margin:.5rem 0}
.codeblock{border:1px solid var(--line);border-radius:var(--radius);margin:1.2rem 0;overflow:auto}
pre{margin:0;font:.9rem/1.5 ui-monospace,Consolas,monospace}

/* ---------- lists of papers, people, files ---------- */
.page-body h3+ul>li{padding-left:.1rem}
.page-body li i{color:var(--muted)}

/* ---------- buttons and chips ---------- */
.btns{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.2rem 0}
.page-body>.btns{margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.1rem;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;border:1.5px solid var(--blue);color:var(--blue);background:transparent;transition:transform .12s,background .12s}
.btn:hover{transform:translateY(-1px);background:var(--blue);color:#fff}
.btn-primary{background:var(--crimson);border-color:var(--crimson);color:#fff}
.btn-primary:hover{background:#b81d43;border-color:#b81d43;color:#fff}
.btn-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:#fff;color:var(--navy);border-color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.2rem 0 0;padding:0;list-style:none}
.chips li{margin:0;padding:.28rem .75rem;border-radius:999px;font-size:.84rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#e8eeff}
.chips-dark li{background:var(--blue-soft);border-color:var(--line);color:var(--blue)}

/* ---------- home page hero ---------- */
.hero{position:relative;color:#fff;background:
  radial-gradient(900px 420px at 90% 0%,rgba(213,37,81,.30),transparent 60%),
  radial-gradient(700px 400px at 0% 100%,rgba(79,120,214,.35),transparent 60%),
  linear-gradient(130deg,var(--navy) 0%,#15306e 100%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;opacity:.16;background-image:radial-gradient(circle,#fff 1.6px,transparent 2.2px);background-size:30px 30px;-webkit-mask-image:linear-gradient(100deg,transparent 35%,#000 90%);mask-image:linear-gradient(100deg,transparent 35%,#000 90%)}
.hero-in{position:relative;max-width:var(--wide);margin:0 auto;padding:3.4rem 1.25rem 8rem;display:grid;grid-template-columns:1.35fr .65fr;gap:2.5rem;align-items:center}
.hero .eyebrow{display:inline-block;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:#ffb3c4;font-weight:600;margin:0 0 .6rem}
.hero h1{margin:0;font:700 clamp(2.3rem,5.6vw,3.7rem)/1.06 var(--serif);letter-spacing:-.005em}
.hero .sub{margin:1rem 0 0;font-size:1.1rem;color:#d5def5;max-width:36rem}
.hero .sub a{color:#fff;text-decoration-color:rgba(255,255,255,.4)}
.hero .btns{margin-top:1.6rem}
.hero-photo{justify-self:center;position:relative;width:min(100%,300px)}
.hero-photo::before{display:none}
.hero-photo img{position:relative;display:block;width:100%;border-radius:24px;border:3px solid rgba(255,255,255,.9)}
.fano{position:absolute;left:0;right:0;bottom:3.2rem;height:84px;width:100%;opacity:.95}
@media (max-width:52rem){
  .hero-in{grid-template-columns:1fr;padding-top:2.4rem;gap:1.8rem;text-align:left}
  .hero-photo{order:-1;width:170px;justify-self:start}
  .hero-photo img{border-radius:20px}
}

/* ---------- cards and columns ---------- */
.cards{width:min(100% - 2.5rem,var(--wide))!important;display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;margin:-2.6rem auto 0!important;position:relative;z-index:2}
.card{display:block;background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--crimson);border-radius:var(--radius);padding:1.2rem 1.3rem 1.3rem;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .15s}
.card:hover{transform:translateY(-3px);color:var(--ink)}
.card:nth-child(2){border-top-color:var(--blue)}
.card:nth-child(3){border-top-color:#6f8fd8}
.card h3{margin:0 0 .35rem;font-size:1.15rem;color:var(--ink)}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card .more{display:inline-block;margin-top:.7rem;font-weight:600;font-size:.9rem;color:var(--link)}
.cols{width:min(100% - 2.5rem,var(--wide))!important;display:grid;grid-template-columns:1.1fr .9fr;gap:2.2rem;margin:0 auto!important}
.cols>div{min-width:0}
.cols h2{margin-top:2.2rem}
@media (max-width:52rem){.cards,.cols{grid-template-columns:1fr}.cards{margin-top:-2rem!important}}
.contact-band{width:min(100% - 2.5rem,var(--wide))!important}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.1rem;margin:1.2rem 0}
.contact-grid>div{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.2rem}
.contact-grid h3{margin:0 0 .3rem;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-family:var(--sans)}
.contact-grid p{margin:0}

/* ---------- page meta + footer ---------- */
.page-meta{margin-top:3rem!important;padding-top:1rem;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.site-footer{background:var(--navy);color:#c4cfee;font-size:.92rem}
.footer-in{max-width:var(--wide);margin:0 auto;padding:2rem 1.25rem;display:flex;gap:2rem;justify-content:space-between;flex-wrap:wrap;align-items:center}
.footer-brand{display:flex;gap:.9rem;align-items:center;line-height:1.4}
.footer-brand strong{color:#fff;font-family:var(--serif);font-size:1.1rem}
.footer-links{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem}
.footer-links a{color:#c4cfee;text-decoration:none}
.footer-links a:hover{color:#fff;text-decoration:underline}

/* ---------- print (syllabus, publication list) ---------- */
@media print{
  .site-header,.site-footer,.hero,.cards,.btns,.skip-link{display:none!important}
  body{background:#fff;color:#000;font-size:11pt}
  .page-head{background:none;color:#000}.page-head h1{color:#000}.page-head .lead{color:#333}.page-head::before{display:none}
  .page-body>*{width:auto}
  a{color:#000;text-decoration:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ---------- course materials tables and media (added for course pages) ---------- */
.page-body>table#materials{width:min(100% - 2.5rem,66rem)}
#materials td{vertical-align:top}
#materials td a{display:inline-block;margin:.12rem .3rem .12rem 0;padding:.08rem .65rem;border:1px solid var(--line);border-radius:999px;font-size:.86rem;text-decoration:none;background:var(--blue-soft);white-space:nowrap}
#materials td a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
#materials td.c1{white-space:nowrap;font-weight:600}
video.media{display:block;width:min(100% - 2.5rem,46rem);margin-left:auto;margin-right:auto;height:auto;border-radius:var(--radius);box-shadow:var(--shadow);background:#000;margin-top:1rem}
.cols.one{grid-template-columns:1fr}