/* ===========================================================================
   CNRC - Communication Networks Research Center, CUI Lahore.
   Standalone stylesheet: self-contained, no dependency on any other theme.
   =========================================================================== */

:root{
  --paper:#fbfaf7; --sheet:#ffffff; --ink:#14181f; --body:#4a5361; --muted:#8a929e;
  --rule:#e2ded4; --rule-2:#efece4; --navy:#1f3a5f; --navy-2:#2b4e7c; --rust:#a8501f;
  --e:cubic-bezier(.19,1,.22,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--body);
  font:16.5px/1.7 Inter,'Segoe UI',Arial,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;color:var(--ink);font-family:'Source Serif 4',Georgia,serif;
  font-weight:600;line-height:1.16;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
p{margin:0 0 14px}

.wrap{max-width:1120px;margin:0 auto;padding:0 34px}
.mono{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--rust)}
.rule{height:1px;background:var(--rule);border:0;margin:0}

/* ---------- masthead ---------- */
.mast{padding:24px 0 16px;border-bottom:2px solid var(--ink)}
.mast .row{display:flex;align-items:center;gap:18px}
.mast img{width:54px;flex:none}
.mast h1{font-size:1.6rem}
.mast .t span{display:block;font-size:13px;color:var(--muted);margin-top:3px}
.mast .meta{margin-left:auto;text-align:right;font-size:12.5px;color:var(--muted);line-height:1.5}

nav.top{display:flex;flex-wrap:wrap;gap:8px 26px;padding:12px 0;
  border-bottom:1px solid var(--rule);font-size:14px;font-weight:500;color:var(--ink)}
nav.top a{padding-bottom:2px;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
nav.top a:hover{color:var(--rust)}
nav.top a.on{color:var(--rust);border-bottom-color:var(--rust)}

/* ---------- page head ---------- */
.phead{padding:40px 0 30px;border-bottom:1px solid var(--rule)}
.phead h2{font-size:clamp(1.9rem,3.6vw,2.7rem);max-width:20ch}
.phead p{margin:14px 0 0;max-width:62ch;font-size:1.02rem}

/* ---------- lede (home) ---------- */
.lede{display:grid;grid-template-columns:1.4fr .6fr;gap:52px;padding:46px 0 42px;
  border-bottom:1px solid var(--rule)}
.lede h2{font-size:clamp(2rem,4.2vw,3.1rem);max-width:17ch}
.lede h2 em{font-style:italic;color:var(--navy)}
.drop{margin-top:22px;font-size:1.05rem;max-width:62ch}
.drop::first-letter{font-family:'Source Serif 4',serif;font-size:3.4rem;line-height:.82;float:left;
  padding:6px 12px 0 0;color:var(--navy);font-weight:700}
.side{border-left:1px solid var(--rule);padding-left:28px}
.side dl{margin:0}
.side dt{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);margin-top:16px}
.side dd{margin:2px 0 0;font-family:'Source Serif 4',serif;font-size:1.35rem;color:var(--ink)}

/* ---------- sections ---------- */
section{padding:50px 0;border-top:1px solid var(--rule)}
section:first-of-type{border-top:0}
.shead{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:26px}
.shead h3{font-size:1.75rem}

/* ---------- numbered index ---------- */
.idx{display:grid;grid-template-columns:repeat(2,1fr);gap:0 50px}
.it{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:20px 0;border-top:1px solid var(--rule)}
.it .no{font-family:'Source Serif 4',serif;font-size:1.4rem;color:var(--rust);line-height:1.2}
.it h4{font-family:'Source Serif 4',serif;font-size:1.1rem;margin:0 0 5px}
.it p{margin:0;font-size:.94rem}
.it ul{margin:6px 0 0;padding-left:18px;font-size:.92rem}
.it li{margin-bottom:4px}

/* ---------- project entries ---------- */
.project{background:var(--sheet);border:1px solid var(--rule);border-left:3px solid var(--navy);
  padding:24px 26px;margin-bottom:16px}
.project.done{border-left-color:var(--muted)}
.project h4{font-size:1.2rem;margin-bottom:9px;max-width:62ch}
.project .st{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--rust)}
.project .st.d{color:var(--muted)}
.project p{margin:10px 0 0;font-size:.96rem}
.project .by{margin-top:12px;font-size:.88rem;color:var(--muted)}
.project .by b{color:var(--ink);font-weight:600}

/* ---------- publication list ---------- */
.toc{border-top:1px solid var(--rule)}
.pub{display:grid;grid-template-columns:70px 1fr;gap:22px;padding:15px 0;border-bottom:1px solid var(--rule)}
.pub .yr{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--rust);padding-top:3px}
.pub b{font-family:'Source Serif 4',serif;font-weight:600;color:var(--ink);font-size:1rem;
  display:block;margin-bottom:2px}
.pub span{font-size:.88rem;color:var(--muted)}
.kind{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--navy);display:block;margin:30px 0 6px}
.kind:first-child{margin-top:0}

/* ---------- people ---------- */
.roster{display:grid;grid-template-columns:repeat(3,1fr);gap:26px 38px}
.pp{display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:start}
.pp img{width:72px;height:88px;object-fit:cover;object-position:top center;
  filter:grayscale(1) contrast(1.05);border:1px solid var(--rule);background:var(--rule-2)}
.pp b{font-family:'Source Serif 4',serif;color:var(--ink);font-size:1rem;display:block}
.pp span{font-size:.85rem;color:var(--muted)}
.pp a{color:var(--navy)}
.pp a:hover{color:var(--rust)}
.pp.head-row{grid-column:span 2;grid-template-columns:130px 1fr}
/* the head's photograph is a landscape office shot, so it is shown whole
   rather than cropped to the portrait frame the others use */
.pp.head-row img{width:130px;height:auto;object-fit:contain}

/* ---------- quote ---------- */
.quote{padding:50px 0;text-align:center;border-top:1px solid var(--rule)}
.quote p{font-family:'Source Serif 4',serif;font-style:italic;
  font-size:clamp(1.3rem,2.6vw,1.9rem);color:var(--ink);max-width:30ch;margin:0 auto;line-height:1.3}
.quote small{display:block;margin-top:16px;color:var(--muted);font-size:.78rem;
  letter-spacing:.14em;text-transform:uppercase}

/* ---------- two-up + prose ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:38px}
.two h4{font-family:'Source Serif 4',serif;font-size:1.1rem;margin-bottom:10px}
.prose{max-width:76ch}
.prose h4{font-family:'Source Serif 4',serif;font-size:1.15rem;margin:26px 0 8px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px;font-size:.96rem}
.prose li{margin-bottom:6px}
.card{background:var(--sheet);border:1px solid var(--rule);padding:24px 26px}
.card h4{margin-bottom:8px}
.steps{counter-reset:s;margin:0;padding:0;list-style:none}
.steps li{counter-increment:s;position:relative;padding:8px 0 8px 40px;border-top:1px solid var(--rule-2);
  font-size:.94rem}
.steps li::before{content:counter(s);position:absolute;left:0;top:8px;
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--rust)}
code,.code{font-family:'IBM Plex Mono',monospace;font-size:.86rem;background:#f2efe7;
  border:1px solid var(--rule);border-radius:4px;padding:2px 6px}
pre{background:#f2efe7;border:1px solid var(--rule);padding:12px 14px;overflow-x:auto;
  font-family:'IBM Plex Mono',monospace;font-size:.84rem;margin:0 0 14px}
.dl{display:inline-block;margin-top:8px;font-size:.92rem;font-weight:600;color:var(--navy);
  border-bottom:1px solid var(--navy)}
.dl:hover{color:var(--rust);border-color:var(--rust)}

/* ---------- profile pages ---------- */
.profile{display:grid;grid-template-columns:150px 1fr;gap:34px;align-items:start}
.profile img{width:150px;height:auto;border:1px solid var(--rule);filter:grayscale(1) contrast(1.05)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}
.contact-grid dl{margin:0}
.contact-grid dt{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);margin-top:16px}
.contact-grid dd{margin:3px 0 0;font-size:1rem;color:var(--ink)}
.contact-grid a{color:var(--navy)}
.contact-grid img{border:1px solid var(--rule)}

/* ---------- footer ---------- */
footer{background:var(--ink);color:#c6cbd4;padding:46px 0 24px;margin-top:20px;font-size:.92rem}
footer h5{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:#9fb6d4;margin:0 0 11px}
.fg{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
footer p{margin:0 0 8px}
footer a{color:#e2e7ee}
footer a:hover{color:#fff}
.fend{margin-top:34px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
  font-size:.78rem;color:#8a93a1;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

@media(max-width:940px){
  .lede,.idx,.roster,.two,.fg,.contact-grid,.profile{grid-template-columns:1fr}
  .pp.head-row{grid-column:auto}
  .side{border-left:0;border-top:1px solid var(--rule);padding-left:0;padding-top:18px}
  .profile img{width:150px}
}
@media(max-width:620px){
  .wrap{padding:0 22px}
  .mast .row{flex-wrap:wrap}
  .mast .meta{margin-left:0;text-align:left}
  .pub{grid-template-columns:1fr;gap:4px}
  .pub .yr{padding-top:0}
}