:root{
  --bg:#0b1b2b;
  --bg-alt:#0e2238;
  --text:#eaf2f8;
  --muted:#9fb3c4;
  --accent:#45a9ff;
  --card:#14293f;
  --border:#1d3b5b;
  --radius:16px;
  --shadow:0 8px 24px rgba(0,0,0,.25);
  --fs-base:16px;
  --fs-h1:2.2rem;
  --fs-h2:1.8rem;
  --fs-h3:1.2rem;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Noto Sans",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:var(--fs-base);
  line-height:1.65;
  letter-spacing:.2px;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1100px, 92vw);margin-inline:auto}

.skip-link{
  position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{left:1rem;top:1rem;width:auto;height:auto;padding:.5rem 1rem;background:#fff;color:#000;border-radius:8px;z-index:9999}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,27,43,.8);backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:1rem;justify-content:space-between;padding:.8rem 0}
.brand{display:flex;align-items:center;gap:.7rem}
.logo{font-size:1.6rem}
.brand-text small{display:block;color:var(--muted)}
.main-nav{display:flex;gap:1rem;flex-wrap:wrap}
.main-nav a{padding:.4rem .6rem;border-radius:10px}
.main-nav a:hover{background:rgba(69,169,255,.1)}

.a11y-btn{
  background:transparent;border:1px solid var(--border);color:var(--text);
  padding:.5rem .8rem;border-radius:999px;cursor:pointer;
}
.a11y-btn:focus{outline:2px solid var(--accent)}

.hero{position:relative;isolation:isolate;min-height:40vh;display:flex;align-items:center}
.hero .overlay{display:none}
.hero-inner{position:relative;z-index:1;padding:4rem 0}
.hero h1{font-size:var(--fs-h1);margin:.2rem 0 1rem}
.hero p{color:var(--muted);margin:0 0 1.2rem}

.home-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1rem;margin-top:1rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow);min-height:170px}
.card .kicker{font-weight:700;color:var(--accent);opacity:.9}
.card h3{margin:.3rem 0 .5rem;font-size:var(--fs-h3)}
.note{margin-top:1rem}

.section{padding:3rem 0;border-top:1px solid var(--border)}
.section.alt{background:var(--bg-alt)}

h2{font-size:var(--fs-h2);margin:.2rem 0 1rem}

.docs-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}
.doc-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow)}
.doc-actions{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.8rem}

.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .8rem;border-radius:12px;border:1px solid var(--accent);color:var(--text);background:rgba(69,169,255,.1);cursor:pointer}
.btn.secondary{border-color:var(--border);background:transparent}
.btn.linklike{border:none;background:transparent;padding:.2rem .4rem}

.people{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.8rem 1rem;padding:0;margin:0}
.people li{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:.9rem;box-shadow:var(--shadow)}
.people strong{display:block}
.people span{color:var(--muted)}

.contacts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;margin-top:.5rem}
.qr{width:150px;opacity:.9;margin-top:1rem}

.site-footer{border-top:1px solid var(--border);padding:2rem 0;background:rgba(11,27,43,.9)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.social{height:24px;opacity:.8}

dialog{border:none;border-radius:16px;padding:0;max-width:min(1000px, 92vw);width:100%;background:var(--bg-alt);color:var(--text);box-shadow:var(--shadow)}
.dialog-head{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-bottom:1px solid var(--border)}
.dialog-body{height:min(70vh, 900px);padding:0}
#pdfFrame{width:100%;height:100%;border:0;background:#000}

@media (prefers-reduced-motion:no-preference){
  .card{transition:transform .2s ease}
  .card:hover{transform:translateY(-2px)}
}

/* A11Y (low-vision) mode */
body.a11y{
  --bg:#fff; --bg-alt:#f6f7f9; --text:#000; --muted:#333; --card:#fff; --border:#c9d4df; --accent:#004aad;
  --fs-base:20px; --fs-h1:2.6rem; --fs-h2:2rem; --fs-h3:1.3rem;
}
body.a11y *{letter-spacing:.3px}
body.a11y a{text-decoration:underline}
body.a11y .hero{position:relative;isolation:isolate;min-height:40vh;display:flex;align-items:center}
body.a11y .site-header{background:#fff}
body.a11y .a11y-btn{border-color:#000;color:#000}


.people{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;padding:0;margin:0}
.people li{display:flex;align-items:center;gap:.8rem;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:.9rem;box-shadow:var(--shadow)}
.person strong{display:block}
.person span{color:var(--muted)}
.avatar{width:56px;height:56px;border-radius:50%;object-fit:cover;border:1px solid var(--border)}

.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.6rem;margin-top:1rem}
.gitem{position:relative;display:block;border-radius:12px;overflow:hidden;border:1px solid var(--border);background:var(--card)}
.gitem img{width:100%;height:160px;object-fit:cover;display:block;filter:saturate(1.05)}
.gitem .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg, transparent, rgba(0,0,0,.65));color:#fff;font-size:.85rem;padding:.5rem .6rem}
@media (prefers-reduced-motion:no-preference){ .gitem:hover img{transform:scale(1.02);transition:transform .25s ease}}

.brand-logo{height:40px;width:auto;display:block;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.25)}
@media (max-width:600px){.brand-logo{height:32px}}


/* brand visibility per mode */
.brand-logo{height:40px;width:auto;display:block;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.25)}
.brand-text{display:none}
body.a11y .brand-logo{display:none}
body.a11y .brand-text{display:block}
@media (max-width:600px){.brand-logo{height:32px}}


/* A11Y adjustments */
body.a11y .section{background:var(--bg-alt);border-top:1px solid var(--border)}
body.a11y .hero{background:none}
body.a11y .site-header{background:#fff}

.docs-subtitle{margin:1.4rem 0 .6rem;color:var(--muted);font-weight:600}

.social-links {
  display: flex;
  gap: .8rem;
  margin-top: .5rem;
  flex-wrap: wrap;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .3rem .6rem;
  border-radius: 8px;
  background: rgba(69,169,255,.1);
  border: 1px solid var(--accent);
  color: var(--text);
  font-size: .9rem;
  text-decoration: none;
}
.social-links a:hover {
  background: rgba(69,169,255,.2);
}
.social-links .icon {
  width: 18px;
  height: 18px;
  display: block;
}