:root{
  --bg:#0b1b21;
  --bg2:#0f2a33;
  --card:#ffffff;
  --txt:#0b1b21;
  --muted:#5d6b73;
  --primary:#0b7b8b;
  --primary2:#045867;
  --light:#f5f7f8;
  --max:1100px;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.12);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--txt);
  background:var(--light);
  line-height:1.55;
}
a{color:var(--primary2); text-decoration:none}
a:hover{text-decoration:underline}

.container{max-width:var(--max); margin:0 auto; padding:0 16px}
.narrow{max-width:800px}

.skip{
  position:absolute; left:-9999px; top:auto;
}
.skip:focus{left:16px; top:16px; background:#fff; padding:8px 12px; border-radius:8px; z-index:999}

.header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.header__inner{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:10px 0}

.brand{display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:.5px}
.brand__logo{width:34px; height:34px; object-fit:contain}
.brand__text{color:var(--primary2)}

.nav{display:flex; gap:14px; flex-wrap:wrap}
.nav a{padding:8px 10px; border-radius:10px}
.nav a:hover{background:rgba(11,123,139,.08); text-decoration:none}

.nav-toggle{
  display:none;
  background:transparent; border:0; padding:8px; cursor:pointer;
}
.nav-toggle__bar{display:block; width:22px; height:2px; background:#1b2b33; margin:4px 0}
.sr-only{position:absolute; left:-9999px}

.hero{
  background:linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  color:#fff;
  padding:28px 0 42px;
}
.hero__media{
  max-height:340px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:10px 16px;
}
.hero__media img{max-width:520px; width:100%; height:auto; filter:drop-shadow(0 10px 20px rgba(0,0,0,.35))}
.hero__content{padding-top:10px}
.hero h1{margin:.2em 0 .2em; font-size:clamp(28px, 4vw, 44px)}
.hero__sub{margin:0 0 18px; opacity:.9; letter-spacing:1px}

.section{padding:48px 0}
.section--alt{background:#fff}
.grid{display:grid; gap:18px}
.grid--2{grid-template-columns:1.2fr .8fr}

.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}
.card--dark{
  background:linear-gradient(180deg, #0b3c47 0%, #062a33 100%);
  color:#eaf4f7;
}
.card--dark a{color:#bdeef6}

.card__img{width:100%; border-radius:12px; margin-top:12px; object-fit:cover}

.btn{
  display:inline-block;
  padding:12px 14px;
  border-radius:12px;
  font-weight:700;
  text-decoration:none !important;
  border:1px solid transparent;
}
.btn--primary{background:var(--primary); color:#fff}
.btn--primary:hover{background:#0a6976}
.btn--ghost{background:transparent; border-color:rgba(255,255,255,.35); color:#fff}
.section .btn--ghost{border-color:rgba(11,123,139,.35); color:var(--primary2)}
.btn--ghost:hover{background:rgba(11,123,139,.08)}

.stack{display:flex; flex-direction:column; gap:10px}

.tile{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:16px;
}
.section--alt .tile{background:rgba(11,123,139,.06); border-color:rgba(11,123,139,.12)}
blockquote{margin:16px 0 0; padding:12px 14px; border-left:4px solid var(--primary); background:rgba(255,255,255,.06); border-radius:12px}
.section blockquote{background:rgba(11,123,139,.06)}
cite{opacity:.85}

.downloads{display:flex; flex-wrap:wrap; gap:10px; margin-top:12px}
.hint{color:var(--muted); font-size:.95rem}
.big{font-size:1.1rem}

.gallery{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:10px;
}
.gallery img{
  width:100%;
  height:180px;
  object-fit:cover;
  border-radius:12px;
  box-shadow:0 8px 20px rgba(0,0,0,.08);
}

.contact{
  display:grid;
  grid-template-columns:1fr .9fr;
  gap:18px;
}
.note{
  background:rgba(11,123,139,.06);
  border:1px solid rgba(11,123,139,.14);
  border-radius:var(--radius);
  padding:16px;
}

.footer{
  background:#07151a;
  color:#cfe8ee;
  padding:18px 0;
}
.footer__inner{display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap}
.footer__nav{display:flex; gap:12px}
.footer a{color:#cfe8ee}

.to-top{
  position:fixed; right:14px; bottom:14px;
  width:42px; height:42px;
  display:grid; place-items:center;
  background:rgba(11,123,139,.92);
  color:#fff; border-radius:999px;
  box-shadow:0 12px 28px rgba(0,0,0,.2);
}

@media (max-width: 900px){
  .grid--2{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2, 1fr)}
  .contact{grid-template-columns:1fr}
  .nav{display:none}
  .nav.open{display:flex; flex-direction:column; gap:6px; padding:10px 0}
  .nav-toggle{display:inline-block}
}