/* ============================================================================
   Islam Lab — islamlab.org  ·  shared styles for home, team, publications
   Nature-journal aesthetic: Spectral serif, Inter sans, coral accent.
   ========================================================================== */
:root{
  --ink:#111111; --ink-soft:#2e2e2e; --muted:#565656; --faint:#767676;
  --line:#d8d8d8; --line-soft:#ebebeb; --paper:#ffffff; --paper-2:#f7f7f5;
  --accent:#8c1515; --accent-2:#b83a3a; --accent-tint:#f6eded; --blue:#35618f; --green:#3f6b3f;
  --serif:'Source Serif 4','Source Serif Pro',Charter,Georgia,serif; --sans:'Source Sans 3','Source Sans Pro',-apple-system,'Segoe UI',Helvetica,sans-serif;
  --maxw:1080px; --radius:0; --shadow:none;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:18px;line-height:1.66;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
.prose a,p a,li a,.addr a,.what a,.rcard p a{text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:.5px}
.btn,.brand,.nav-links a,.plink,.rlink,.dir,.col a{text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:2px}
::selection{background:var(--accent-tint);color:var(--accent)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3,.serif{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;color:var(--ink)}
h2{font-size:clamp(1.55rem,3.1vw,2.05rem);line-height:1.18;margin:0 0 .25em}
p{margin:0 0 1.05em}
.eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 12px;padding-top:12px;border-top:2px solid var(--accent);display:inline-block}
.eyebrow::before{content:none}

.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;height:62px;gap:22px}
.brand .glyph{margin-right:9px}
.brand{display:flex;align-items:center;gap:0;font-family:var(--serif);font-weight:600;font-size:1.18rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .glyph{width:22px;height:22px;border-radius:0;background:radial-gradient(circle at 30% 30%,#f2c94c 0 2px,transparent 2px),radial-gradient(circle at 68% 55%,var(--accent-2) 0 2px,transparent 2px),radial-gradient(circle at 45% 74%,var(--blue) 0 1.6px,transparent 1.6px),linear-gradient(150deg,#2a3550,#1c2436)}
.brand b{color:var(--accent);font-weight:600}
.nav-links{display:flex;gap:18px;margin-left:auto;align-items:center;font-size:.9rem}
.nav-links a{color:var(--ink-soft)}
.nav-links a:hover{color:var(--accent);text-decoration:none}
.nav-links a.active{color:var(--accent)}
@media(max-width:860px){.nav-links a:not(.ext){display:none}}

.hero{padding:60px 0 46px;border-top:none;background:var(--paper)}
.hero .kicker{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.hero h1{font-size:clamp(2.6rem,6.5vw,4.4rem);line-height:1.02;letter-spacing:-.025em;margin:0 0 .3em}
.hero h1 b{color:var(--accent);font-weight:600}
.hero .tagline{font-family:var(--serif);font-size:clamp(1.15rem,2.3vw,1.44rem);font-weight:400;color:var(--ink-soft);max-width:64ch;line-height:1.5;margin:0 0 30px}

/* lighter header for sub-pages (team, publications) */
.pagehead{padding:66px 0 30px;background:radial-gradient(900px 300px at 82% -25%,rgba(224,122,95,.09),transparent 60%),radial-gradient(600px 240px at 4% 0%,rgba(79,114,144,.06),transparent 62%),var(--paper)}
.pagehead .kicker{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.pagehead h1{font-family:var(--serif);font-weight:600;font-size:clamp(2.1rem,4.6vw,3.1rem);line-height:1.04;letter-spacing:-.022em;margin:0 0 .28em}
.pagehead h1 b{color:var(--accent);font-weight:600}
.pagehead p{font-family:var(--serif);font-size:clamp(1.1rem,2vw,1.28rem);font-weight:400;color:var(--ink-soft);max-width:62ch;line-height:1.5;margin:0}

.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{font-size:.95rem;font-weight:500;display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border-radius:0;border:1px solid var(--ink);color:var(--ink);transition:.16s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.primary:hover{background:#000}
.btn.ghost{border-color:var(--line);color:var(--ink-soft)}
.btn.ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn svg{width:15px;height:15px}

section{padding:66px 0;border-top:1px solid var(--line-soft)}
section.alt{background:var(--paper-2)}
.sub{color:var(--muted);max-width:64ch;margin:0 0 34px}
.lead{font-family:var(--serif);font-size:1.24rem;line-height:1.58;color:var(--ink-soft);font-weight:400;max-width:64ch;margin:0 0 30px}

/* research theme cards */
.cards{display:grid;gap:18px}
.cards.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:840px){.cards.three{grid-template-columns:1fr}}
.rcard{border:1px solid var(--line);border-radius:0;background:var(--paper);padding:26px 24px;display:flex;flex-direction:column}
.rcard .ix{font-family:var(--serif);font-size:.85rem;color:var(--accent);font-weight:600;margin-bottom:12px;letter-spacing:.03em}
.rcard h3{font-size:1.16rem;line-height:1.25;margin:0 0 .5em}
.rcard p{font-size:.94rem;color:var(--ink-soft);line-height:1.6;margin:0 0 16px}
.rcard .rlink{margin-top:auto;font-size:.84rem;font-weight:500;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.rcard .rlink svg{width:13px;height:13px}

/* project card */
.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:34px}
.project{display:flex;min-width:0;flex-direction:column;border:1px solid var(--line);border-radius:0;overflow:hidden;background:var(--paper)}
.project+.project{margin-top:0}
.project .thumb{display:flex;align-items:center;justify-content:center;padding:20px;border-bottom:1px solid var(--line-soft);background:#f7f5f0;aspect-ratio:16/9;min-height:0}
.project .thumb a{display:flex;align-items:center;justify-content:center;width:100%;height:100%}
.project .thumb img{display:block;width:100%;height:100%;object-fit:contain;border-radius:0}
.project .body{padding:30px 30px 27px;display:flex;flex:1;flex-direction:column}
.project .ptag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);background:var(--accent-tint);padding:4px 11px;border-radius:0;margin-bottom:16px}
.project h3{font-size:1.85rem;line-height:1.1;margin:0 0 .35em}
.project p{color:var(--ink-soft);font-size:1rem;line-height:1.62;margin:0 0 20px}
.project .plink{font-weight:500;font-size:.98rem;display:inline-flex;align-items:center;align-self:flex-start;gap:7px;margin-top:auto}
.project .meta{margin-top:18px;font-size:.82rem;color:var(--faint);display:flex;gap:16px;flex-wrap:wrap}
@media(max-width:760px){.project-grid{grid-template-columns:1fr}.project .thumb{min-height:0}}

/* Graph Foundation Model: the same compact four-stage story used by the project page. */
.project .thumb.gfm-thumb{padding:20px;background:#f7f5f0}
.gfm-thumb>a{overflow:hidden;background:#0c1d39;text-decoration:none}
.gfm-story{width:100%;height:100%;min-height:0;display:flex;flex-direction:column;background:#0c1d39;border:1px solid rgba(255,255,255,.12);color:#fff;font-family:var(--sans)}
.gfm-canvas{position:relative;isolation:isolate;min-height:0;flex:1;overflow:hidden;background:radial-gradient(circle at 55% 45%,rgba(76,120,158,.25),transparent 45%),linear-gradient(135deg,#07162f,#10284a)}
.gfm-grid{position:absolute;inset:0;opacity:.11;background-image:linear-gradient(rgba(255,255,255,.3) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.3) 1px,transparent 1px);background-size:28px 28px}
.gfm-edge{position:absolute;z-index:1;height:1px;transform-origin:left center;background:rgba(159,192,208,.33);animation:gfmEdgeReveal .8s both;animation-delay:var(--edge-delay)}
.gfm-node{position:absolute;z-index:2;width:10px;height:10px;border-radius:50%;transform:translate(-50%,-50%);background:#b7c9d4;box-shadow:0 0 0 4px rgba(183,201,212,.08);transition:all .8s cubic-bezier(.2,.8,.2,1);animation:gfmNodeIn .6s both,gfmPulse 3.2s infinite;animation-delay:var(--node-delay),var(--node-delay)}
.gfm-node b{position:absolute;left:8px;top:-14px;color:#fff;font:700 7px ui-monospace,SFMono-Regular,Consolas,monospace}
.gfm-story[data-gfm-stage="1"] .gfm-node{background:#d9a448;box-shadow:0 0 0 5px rgba(217,164,72,.13)}
.gfm-story[data-gfm-stage="2"] .community-0{background:#dc6656}.gfm-story[data-gfm-stage="2"] .community-1{background:#e0a53a}.gfm-story[data-gfm-stage="2"] .community-2{background:#58a39d}.gfm-story[data-gfm-stage="2"] .community-3{background:#6d93b5}
.gfm-story[data-gfm-stage="3"] .gfm-node{transform:translate(-50%,-50%) scale(1.18)}
.gfm-prompt{position:absolute;z-index:3;opacity:0;transform:translateY(6px);padding:5px 7px;border:1px solid rgba(255,255,255,.25);background:rgba(7,22,47,.78);color:#f1d7a9;font:700 7px ui-monospace,SFMono-Regular,Consolas,monospace;transition:.45s}
.gfm-prompt.prompt-one{left:8%;top:9%}.gfm-prompt.prompt-two{right:9%;top:11%}.gfm-prompt.prompt-three{left:11%;bottom:10%}
.gfm-story[data-gfm-stage="1"] .gfm-prompt{opacity:1;transform:translateY(0)}
.gfm-core{position:absolute;z-index:4;left:50%;top:50%;width:104px;height:104px;border-radius:50%;transform:translate(-50%,-50%) scale(.25);opacity:0;display:flex;align-items:center;justify-content:center;flex-direction:column;background:rgba(7,22,47,.94);border:1px solid #d9a448;box-shadow:0 0 45px rgba(217,164,72,.28);transition:.7s;text-align:center}
.gfm-core strong{font-family:var(--serif);font-size:25px;font-weight:600;line-height:1;color:#fff}.gfm-core small{margin-top:5px;color:#f0ba72;font-size:6px;line-height:1.25;text-transform:uppercase;letter-spacing:.12em}
.gfm-story[data-gfm-stage="2"] .gfm-core,.gfm-story[data-gfm-stage="3"] .gfm-core{opacity:1;transform:translate(-50%,-50%) scale(.72)}
.gfm-transfer{position:absolute;z-index:4;right:6%;bottom:6%;color:#fff;font-size:7px;letter-spacing:.1em;text-transform:uppercase;opacity:0;transition:.6s}
.gfm-story[data-gfm-stage="3"] .gfm-transfer{opacity:1}
.gfm-caption{min-height:48px;padding:10px 14px;display:grid;grid-template-columns:26px minmax(0,1fr) auto;gap:8px;align-items:center;border-top:1px solid rgba(255,255,255,.12)}
.gfm-caption>span{color:#e8af54;font:700 9px ui-monospace,SFMono-Regular,Consolas,monospace}.gfm-caption>strong{overflow:hidden;color:#fff;font-family:var(--serif);font-size:14px;font-weight:500;line-height:1.1;white-space:nowrap;text-overflow:ellipsis}.gfm-caption>small{color:#aab8c8;font-size:6px;text-transform:uppercase;letter-spacing:.09em;white-space:nowrap}
@keyframes gfmNodeIn{from{opacity:0;transform:translate(-50%,-50%) scale(.1)}to{opacity:1}}
@keyframes gfmPulse{0%,100%{box-shadow:0 0 0 3px rgba(115,163,184,.08)}50%{box-shadow:0 0 0 7px rgba(115,163,184,.02)}}
@keyframes gfmEdgeReveal{from{width:0;opacity:0}to{opacity:1}}
@media(max-width:950px){.gfm-caption>small{display:none}.gfm-caption{grid-template-columns:26px minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){.gfm-edge,.gfm-node{animation-duration:.01ms!important;animation-iteration-count:1!important}.gfm-core,.gfm-prompt,.gfm-transfer,.gfm-node{transition-duration:.01ms!important}}
.soon{margin-top:20px;border:1px dashed var(--line);border-radius:0;padding:22px 26px;color:var(--muted);font-size:.95rem;display:flex;align-items:center;gap:12px}
.soon .dot{width:9px;height:9px;border-radius:50%;background:var(--accent-2);flex:none}
.pi .avatar{width:88px;height:88px;font-size:1.75rem}
.pi h3{font-size:1.42rem;margin:0 0 3px}
.pi .role{color:var(--muted);font-size:.92rem;margin:0 0 13px}
.pi p{font-size:.97rem;color:var(--ink-soft);margin:0 0 15px;max-width:66ch;line-height:1.62}
.pi .links{display:flex;gap:18px;font-size:.88rem;flex-wrap:wrap;align-items:center}
.pi .links a{display:inline-flex;align-items:center;gap:6px;font-weight:500}
.pi .links svg{width:14px;height:14px}
.people{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.person{display:grid;grid-template-columns:auto 1fr;gap:18px;border:1px solid var(--line);border-radius:0;background:var(--paper);padding:22px 22px;align-items:start}
.person .avatar{width:54px;height:54px;font-size:1.1rem}
.person h4{font-family:var(--serif);font-weight:600;font-size:1.06rem;margin:0 0 2px;color:var(--ink);letter-spacing:-.01em}
.person .role{color:var(--accent);font-size:.79rem;font-weight:600;margin:0 0 9px;letter-spacing:.02em;text-transform:uppercase}
.person p{font-size:.875rem;color:var(--ink-soft);line-height:1.55;margin:0}
@media(max-width:760px){.people{grid-template-columns:1fr}.pi{grid-template-columns:1fr}.pi .avatar{width:70px;height:70px;font-size:1.5rem}}
.teamfoot{margin-top:24px;font-size:.9rem;color:var(--muted);display:flex;gap:22px;flex-wrap:wrap}

/* publications */
.pub{border-top:1px solid var(--line-soft);padding:17px 0;display:grid;grid-template-columns:56px 1fr;gap:22px;align-items:baseline}
.pub:first-child{border-top:none;padding-top:2px}
.pub .yr{font-family:var(--serif);font-weight:600;color:var(--faint);font-size:.95rem;font-variant-numeric:tabular-nums}
.pub .cite{font-size:.95rem;color:var(--ink-soft);line-height:1.58}
.pub .cite .ti{font-family:var(--serif);color:var(--ink);font-weight:500}
.pub .cite b{color:var(--ink);font-weight:600}
.pub .cite .venue{color:var(--muted)}
.pub .cite a.doi{font-weight:500;white-space:nowrap}
.pubfoot{margin-top:28px}
@media(max-width:560px){.pub{grid-template-columns:1fr;gap:3px}.pub .yr{font-size:.82rem;color:var(--accent)}}

/* news */
.news{max-width:72ch}
.newsitem{display:grid;grid-template-columns:132px 1fr;gap:22px;padding:16px 0;border-top:1px solid var(--line-soft)}
.newsitem:first-child{border-top:none}
.newsitem .date{font-size:.82rem;color:var(--accent);font-weight:600;letter-spacing:.03em;white-space:nowrap;padding-top:2px}
.newsitem .what{font-size:.98rem;color:var(--ink-soft);margin:0}
@media(max-width:560px){.newsitem{grid-template-columns:1fr;gap:4px}}

/* contact */
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:760px){.cgrid{grid-template-columns:1fr}}
.cbox{border:1px solid var(--line);border-radius:0;background:var(--paper);padding:26px 26px;margin:0 0 12px}
.cbox p{font-size:.95rem;color:var(--ink-soft);margin:0 0 .7em;line-height:1.6}
.cbox .addr{font-style:normal;color:var(--ink-soft);font-size:.95rem;line-height:1.75;margin:0 0 14px}
.cbox .addr .big{font-family:var(--serif);font-size:1.04rem;color:var(--ink);display:block;margin-bottom:2px}
.cbox a.dir{font-size:.88rem;font-weight:500;display:inline-flex;align-items:center;gap:6px}
.cbox a.dir svg{width:13px;height:13px}

footer{background:#16181a;color:#cdd1d4;padding:52px 0 38px}
footer .wrap{display:flex;flex-wrap:wrap;gap:30px 60px;justify-content:space-between}
footer .lab .b{font-family:var(--serif);font-size:1.35rem;color:#fff;margin-bottom:10px}
footer .lab .b b{color:var(--accent-2)}
footer .lab p{max-width:42ch;font-size:.9rem;color:#9aa0a5;margin:0 0 .7em}
footer a{color:#e6b2a3}
footer .col h4{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:#8a9096;margin:0 0 13px;font-weight:600}
footer .col a{display:block;color:#cdd1d4;font-size:.92rem;padding:4px 0}
footer .col a:hover{color:#fff;text-decoration:none}
footer .fine{width:100%;border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:20px;font-size:.82rem;color:#7b8187;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}