/* VBDModNet — site styles */
:root{
  --bg:#f6f7f4; --surface:#ffffff; --ink:#18201c; --muted:#56625c; --line:#dfe4e0;
  --brand:#1f6f5c; --brand-dark:#164f42; --brand-ink:#ffffff; --lime:#6cc93a; --sand:#fff6e5; --sand-line:#e8c27a;
  --radius:12px; --wrap:1120px;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#111513; --surface:#1a201d; --ink:#e8ede9; --muted:#a7b2ac; --line:#2c3531;
        --brand:#5fbfa3; --brand-dark:#4aa98e; --brand-ink:#0f1412; --sand:#2a2314; --sand-line:#7a6232;}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.6vw,3.2rem);letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,3vw,2rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
.muted{color:var(--muted)}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.brand .mark{width:38px;height:38px;border-radius:9px;background:var(--lime);color:#fff;display:grid;place-items:center;font-size:.72rem;font-weight:900;line-height:1}
.brand small{display:block;font-weight:500;font-size:.72rem;color:var(--muted);letter-spacing:0}
nav.main{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
nav.main a{text-decoration:none;color:var(--ink);font-weight:550;font-size:.95rem;padding:8px 10px;border-radius:8px}
nav.main a:hover,nav.main a[aria-current=page]{background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand)}
nav.main a.donate{background:var(--brand);color:var(--brand-ink);margin-left:6px}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;color:var(--ink);font:inherit;font-size:.95rem}
@media (max-width:900px){
  .menu-toggle{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:66px;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 20px 16px;flex-direction:column;align-items:stretch}
  nav.main.open{display:flex}
  nav.main a.donate{margin:6px 0 0;text-align:center}
}

/* hero */
.hero{position:relative;color:#fff;overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center 40%}
.hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,30,24,.88) 0%,rgba(10,30,24,.65) 55%,rgba(10,30,24,.25) 100%)}
.hero .wrap{position:relative;padding:96px 20px 88px}
.hero .lead{font-size:1.2rem;max-width:620px;color:#e6efe9}
.hero .eyebrow{color:#a8e38a}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-block;padding:12px 20px;border-radius:10px;font-weight:650;text-decoration:none;border:1.5px solid transparent}
.btn.primary{background:var(--lime);color:#0f1f14}
.btn.ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn.outline{border-color:var(--brand);color:var(--brand)}

/* sections */
section{padding:72px 0}
section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:32px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:860px){.g2,.g3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card .body p{color:var(--muted)}
.card .more{margin-top:auto;font-weight:650;text-decoration:none}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.feature{background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 10%,var(--surface)),var(--surface));border:1px solid var(--line);border-radius:18px;padding:36px}
.feature img{border-radius:12px;border:1px solid var(--line);background:#fff}
.tag{display:inline-block;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--sand);border:1px solid var(--sand-line);color:inherit;margin-bottom:12px}
.mv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
@media (max-width:700px){.mv{grid-template-columns:1fr}}
.mv div{border-left:4px solid var(--lime);padding:4px 0 4px 18px}
.mv h3{margin-bottom:.3em}

/* publications */
.pubs{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.pubs li{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 20px}
.pubs .t{font-weight:650}
.pubs .m{color:var(--muted);font-size:.93rem}

/* tiles */
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width:860px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;text-decoration:none;color:var(--ink)}
.tile:hover{border-color:var(--brand)}
.tile b{display:block;font-size:1.05rem;margin-bottom:4px}
.tile span{color:var(--muted);font-size:.9rem}

/* partners */
.partners{display:flex;flex-wrap:wrap;gap:34px;align-items:center;justify-content:center}
.partners figure{margin:0;text-align:center;width:140px}
.partners img{height:72px;width:auto;margin:0 auto 8px;object-fit:contain;background:#fff;border-radius:10px;padding:6px}
.partners figcaption{font-size:.8rem;color:var(--muted);line-height:1.3}

/* footer */
.site-footer{background:#10241e;color:#cfdcd5;padding:48px 0 28px;font-size:.95rem}
.site-footer a{color:#a8e38a}
.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
@media (max-width:760px){.site-footer .cols{grid-template-columns:1fr}}
.site-footer h4{color:#fff;margin:0 0 10px;font-size:1rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:6px}
.site-footer .legal{border-top:1px solid #2a3f37;margin-top:30px;padding-top:18px;font-size:.85rem;color:#93a69c}

/* inner pages */
.page-head{background:linear-gradient(135deg,#10241e,#1f4f43);color:#fff;padding:54px 0 46px}
.page-head .eyebrow{color:#a8e38a}
.page-head h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.3em}
.page-head .lead{max-width:760px;color:#dbe7e1;font-size:1.1rem;margin:0}
.crumbs{font-size:.88rem;margin:0 0 10px}
.crumbs a{color:#a8e38a;text-decoration:none}
.prose{max-width:820px}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.3em}
.prose img{border-radius:10px;margin:18px 0}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.35em}
.prose table{border-collapse:collapse;width:100%;font-size:.95rem;margin:1em 0}
.prose td,.prose th{border:1px solid var(--line);padding:6px 8px;text-align:left}
.post-hero{width:100%;max-height:420px;object-fit:cover}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:18px 0}
.gallery img{margin:0;aspect-ratio:4/3;object-fit:cover;width:100%;background:#fff}
.back{margin-top:2em}
.callout{background:var(--sand);border:1px solid var(--sand-line);border-radius:12px;padding:18px 22px;margin:24px 0}
.callout h3{margin-top:0}
.toc{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}
.toc a{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 14px;text-decoration:none;font-size:.92rem}
.blog-group{padding:34px 0 10px;border-bottom:1px solid var(--line)}
.blog-group:last-child{border-bottom:0}
.postlist{columns:2;column-gap:40px;padding-left:1.1em}
@media (max-width:760px){.postlist{columns:1}}
.postlist li{break-inside:avoid;margin-bottom:.5em}
.people{display:grid;gap:22px}
.person{display:grid;grid-template-columns:160px 1fr;gap:24px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px}
.person img{width:160px;height:160px;object-fit:cover;border-radius:12px}
.person h3{margin-bottom:.2em}
.person .inst{color:var(--brand);font-weight:600;font-size:.95rem}
@media (max-width:600px){.person{grid-template-columns:1fr}.person img{width:120px;height:120px}}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px}
h2.year{font-size:1.25rem;margin:34px 0 14px;color:var(--brand)}
h2.year:first-child{margin-top:0}