/* Shaham Laboratory — shared stylesheet (v4: blue theme) */
:root{
  --bg:#ffffff;
  --bg-soft:#f2f6fb;
  --ink:#141820;
  --ink-soft:#404d5e;
  --ink-faint:#6e7d91;
  --line:#dde3ec;
  --green:#1a5fa8;
  --green-dark:#0f3d6e;
  --green-deep:#091f3a;
  --hero-overlay: 0.5;  /* ← adjust this: 0 = no overlay, 1 = full blue */
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:19px;line-height:1.68;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3,h4{font-family:"Source Serif 4",Georgia,serif;font-weight:500;line-height:1.18;letter-spacing:-.005em}
.sp,em,i{font-style:italic}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:0;background:var(--green);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}

/* header + nav */
.site-header{border-top:4px solid var(--green);border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:40}
.nav{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 22px;padding:16px 0}
.brand{font-family:"Source Serif 4",serif;font-size:22px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:9px}
.brand::before{content:"";width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#5ba3e0,var(--green));display:inline-block}
.brand:hover{text-decoration:none}
.menu{display:flex;flex-wrap:wrap;gap:22px;font-size:16px}
.menu a{color:var(--ink-soft)}
.menu a:hover{color:var(--green)}
.menu a[aria-current="page"]{color:var(--ink);font-weight:500;border-bottom:2px solid var(--green);padding-bottom:3px}

/* HERO banner */
.hero{position:relative;overflow:hidden;background:7aa8d0;color:#fff}
.hero .bg{
  position:absolute;
  inset:0;
  background-image:url("images/Image6.jpg");
  background-size:auto 420px;
  background-position:center center;
  background-repeat:no-repeat;
  opacity:1;
}
.hero .ov{position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(9,31,58,var(--hero-overlay)) 0%,rgba(15,61,110,calc(var(--hero-overlay) * 0.83)) 45%,rgba(26,95,168,calc(var(--hero-overlay) * 0.58)) 100%)}
.hero .inner{position:relative;height:420px;display:flex;flex-direction:column;justify-content:center}
.hero .eyebrow{font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:#a8ccf0;margin-bottom:16px}
.hero h1{font-size:64px;color:#fff;max-width:18ch}
.hero p{font-size:21px;color:#deeaf7;margin-top:20px;max-width:54ch}
.hero .cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:13px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-size:15px;font-weight:500;transition:transform .15s}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-solid{background:#fff;color:var(--green-dark)}
.btn-out{border:1px solid rgba(255,255,255,.55);color:#fff}

/* facts strip */
.facts{background:var(--green-dark);color:#fff}
.facts .row{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.fact{padding:22px 18px;border-right:1px solid rgba(255,255,255,.14)}
.fact:last-child{border-right:0}
.fact .n{font-family:"Source Serif 4",serif;font-size:30px;color:#7fb8e8;line-height:1}
.fact .l{font-size:13px;color:#c0d8f0;margin-top:6px}

/* masthead (interior) */
.page-title{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:46px 0}
.page-title .affil{color:var(--green);font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
.page-title h1{font-size:clamp(28px,4.4vw,40px)}
.page-title .lead{font-size:18px;color:var(--ink-soft);margin-top:14px;text-align:justify}
.affil{font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-faint)}

/* sections */
.section{padding:50px 0;border-bottom:1px solid var(--line)}
.section:last-of-type{border-bottom:0}
.section.tint{background:var(--bg-soft)}
.kicker{font-size:14px;letter-spacing:.09em;text-transform:uppercase;color:var(--green);font-weight:600;margin-bottom:14px;
  display:inline-block;border-left:3px solid var(--amber);padding-left:10px}
h2{font-size:30px;margin-bottom:6px}
.section > .wrap > p{color:var(--ink-soft);max-width:70ch}

/* research area: text + figure */
.area{display:grid;grid-template-columns:1fr 460px;gap:34px;align-items:center;margin-top:24px}
.area .body p{color:var(--ink-soft);margin-bottom:13px}
.area h3{font-size:20px;margin-bottom:10px}
.area-wide-fig{grid-template-columns:1fr 500px}
.topic{margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}
.topic:first-of-type{border-top:0;margin-top:12px;padding-top:0}
.topic h3{font-size:19px;margin-bottom:8px;color:var(--green-dark)}
.topic p{color:var(--ink-soft);margin-bottom:10px}
.topic.with-figure{display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:center}
.topic.with-figure .frame{min-height:0;max-height:320px;display:flex;align-items:center;justify-content:center}
.topic.with-figure .frame img{width:auto;height:auto;max-width:100%;max-height:320px;object-fit:contain}
@media(max-width:760px){.topic.with-figure{grid-template-columns:1fr;gap:14px}.topic.with-figure .frame{max-height:260px}.topic.with-figure .frame img{max-height:260px}}
.refs{font-size:15px;color:var(--ink-faint);line-height:1.7}
.refs a{color:var(--green);white-space:nowrap}

/* figures */
figure{margin:0}
.frame{background:linear-gradient(135deg,#e8f1ec,#dCeae3);border-radius:4px;
  overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:150px}
.frame img{display:block;width:100%;height:auto}
figcaption{font-size:14.5px;line-height:1.5;color:var(--ink-faint);margin-top:9px}

/* video */
.media-wrap{margin-top:10px}
.media-wrap video{width:100%;border-radius:4px;display:block;background:#000}
.media-wrap figcaption{margin-top:7px}

/* figwrap with only video — make it wider */
.area .figwrap{min-width:380px}

/* publications */
.pubyear{font-family:"Source Serif 4",serif;font-size:16px;color:#fff !important;font-weight:600;
  background:var(--green);display:inline-block;padding:4px 14px 5px;border-radius:4px;margin:26px 0 6px;line-height:1.4}
.pub{padding:13px 0;border-top:1px solid var(--line);font-size:17px;line-height:1.5}
.pub .t{color:var(--ink)}
.pub .meta{color:var(--ink-faint);font-size:15px}
.pub .lnk{font-size:14px;font-weight:600;color:var(--green);text-transform:uppercase;letter-spacing:.04em}

/* people */
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.person{border-left:3px solid var(--green);padding-left:13px}
.person .nm{font-weight:600;font-size:16px}
.person .role{font-size:14px;color:var(--ink-soft)}
.person .em{font-size:13px}
.alumni{margin-top:14px;columns:2;column-gap:40px;font-size:16px;line-height:1.5}
.alumni .al{break-inside:avoid;margin-bottom:12px;color:var(--ink-soft)}
.alumni .al b{color:var(--ink);font-weight:600}

/* contact + links */
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:8px}
.contact-block p{margin-bottom:4px;color:var(--ink-soft)}
.contact-block .h{font-family:"Source Serif 4",serif;font-weight:600;color:var(--green-dark);margin-top:18px;margin-bottom:4px}
.linkgroup{margin-bottom:26px}
.linkgroup h3{font-size:19px;margin-bottom:10px;color:var(--green-dark)}
.linklist{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:16px}

/* footer */
.site-footer{background:var(--green-deep);color:#b0c8e0;padding:36px 0 50px;font-size:14px}
.site-footer a{color:#deeaf7}
.site-footer .row{margin-bottom:5px}

@media(max-width:760px){
  .hero .inner{padding:54px 0 46px}
  .hero .bg{background-size:cover;background-position:center}
  .facts .row{grid-template-columns:repeat(2,1fr)}
  .fact:nth-child(2){border-right:0}
  .area{grid-template-columns:1fr;gap:18px}
  .area .figwrap{max-width:320px}
  .people-grid{grid-template-columns:repeat(2,1fr)}
  .cols2{grid-template-columns:1fr;gap:26px}
  .alumni{columns:1}
}
@media(max-width:460px){.facts .row{grid-template-columns:1fr}.fact{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}.people-grid{grid-template-columns:1fr}}

@media(max-width:760px){

  .wrap{
    padding:0 18px;
  }

  .nav{
    justify-content:center;
    padding:10px 0;
  }

  .menu{
    justify-content:center;
    gap:10px 14px;
    font-size:14px;
    line-height:1.3;
  }

  .hero .inner{
    height:280px;
    align-items:center;
    text-align:center;
  }

  .hero .bg{
    background-size:auto 280px;
    background-position:center center;
  }

  .hero h1{
    font-size:42px;
    max-width:100%;
  }

  .hero .cta{
    justify-content:center;
    margin-top:20px;
  }

  .btn{
    font-size:14px;
    padding:10px 16px;
  }
}