:root{
  --green:#279f24; --green-dark:#1c7a1a; --ink:#2b2f2b; --muted:#5d655d;
  --line:#e3e8e3; --bg:#fff; --footer-bg:#f3f6f3;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Open Sans",Arial,Helvetica,sans-serif;font-size:15px;line-height:1.65;color:var(--ink);background:var(--bg)}
a{color:var(--green-dark)} a:hover{color:var(--green)}
:focus-visible{outline:3px solid var(--green);outline-offset:3px}
img{max-width:100%;height:auto}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--green);color:#fff;padding:8px 14px;z-index:100}
.skip-link:focus{left:8px;top:8px;color:#fff}

.project-banner{padding:14px 16px 0;text-align:center}
.project-banner img{width:40%;min-width:260px;max-width:800px}

.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.header-inner{max-width:1280px;margin:0 auto;padding:12px 20px 0;display:flex;flex-direction:column;align-items:center;gap:4px}
.brand{display:block;width:100%;max-width:560px}
.brand img{display:block;width:100%;height:auto}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:0 8px}
.main-nav a{display:block;padding:12px 18px 11px;color:var(--ink);text-decoration:none;font-weight:600;border-bottom:3px solid transparent}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--green-dark);border-bottom-color:var(--green)}

main{max-width:1280px;margin:0 auto;padding:36px 20px 56px}
h1{font-size:1.75rem;line-height:1.25;margin:0 0 24px;color:var(--green-dark)}
h2{font-size:1.1rem;line-height:1.35;margin:0 0 12px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;margin:-1px;padding:0;border:0}
.prose{max-width:75ch}
.prose p{margin:0 0 16px}

.video-frame{aspect-ratio:16/9;background:#111;border-radius:4px;overflow:hidden}
.video-frame iframe{width:100%;height:100%;border:0;display:block}

/* titlu cu linii laterale (ca separatorul din tema originală) */
.sep-title{display:flex;align-items:center;gap:14px;margin:0 0 16px;font-size:1.05rem;font-weight:700;line-height:1.3;text-align:center}
.sep-title::before,.sep-title::after{content:"";flex:1;height:2px;background:var(--green);opacity:.35;min-width:16px}
.sep-title span{flex:0 1 auto}

.cols{display:grid;gap:36px 40px;margin-bottom:36px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.col ul{margin:0 0 14px;padding-left:20px}
.col li{margin-bottom:3px}
.col p{margin:0 0 10px}
.col p.sub{font-style:italic}
.faculty h2{text-align:center;text-decoration:underline;text-decoration-color:var(--green);text-underline-offset:4px}

.members{margin-top:40px}
.members ul{margin:12px 0 0;padding-left:20px}
.members li{margin-bottom:6px}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px}
.contact-form label{display:block;font-weight:600;margin-bottom:4px}
.contact-form .field{margin-bottom:18px}
.contact-form input,.contact-form textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid #c5cdc5;border-radius:3px;background:#fff;color:var(--ink)}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--green)}
.contact-form button{font:inherit;font-weight:600;color:#fff;background:var(--green);border:0;border-radius:3px;padding:11px 28px;cursor:pointer}
.contact-form button:hover{background:var(--green-dark)}
.form-note{font-size:13px;color:var(--muted);margin:10px 0 0}
.contact-info iframe{width:100%;height:220px;border:0;border-radius:4px;background:#dfe5df;margin-bottom:24px}
.contact-info .item{margin-bottom:16px}
.contact-info .label{display:block;font-weight:700;color:var(--green-dark)}
.contact-info address{font-style:normal}

.site-footer{background:var(--footer-bg);border-top:3px solid var(--green)}
.footer-inner{max-width:1280px;margin:0 auto;padding:36px 20px;display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.site-footer p{margin:0 0 14px}
.site-footer .label{display:block;font-weight:700}
.site-footer address{font-style:normal}
.footer-map iframe{width:100%;height:260px;border:0;border-radius:4px;background:#dfe5df}
.footer-bottom{border-top:1px solid var(--line);text-align:center;font-size:13px;color:var(--muted);padding:14px 20px}

@media (max-width:900px){
  .cols-3{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:600px){
  .cols-3,.cols-2{grid-template-columns:1fr}
  .main-nav a{padding:10px 12px 9px;font-size:14px}
  main{padding-top:22px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}