:root{
  --ocean:#0b4f6c;
  --ocean2:#0a2f3f;
  --sand:#f4efe6;
  --ink:#1b1b1b;
  --muted:#5b6570;
  --card:#ffffff;
  --line:#e7ecf1;
  --radius:14px;
  --max:1080px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:#fbfdff;
  line-height:1.5;
}
a{color:var(--ocean); text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}

.nav{
  position:sticky; top:0;
  background:rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom:1px solid var(--line);
  z-index:10;
}
.navinner{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 0;
  gap:14px;
}
.brand{
  font-weight:800; letter-spacing:0.2px;
  color:var(--ocean2);
}
.brand small{display:block; font-weight:600; color:var(--muted)}
.navlinks{display:flex; gap:14px; flex-wrap:wrap; justify-content:flex-end}
.btn{
  display:inline-block;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--ocean);
  color:var(--ocean);
  font-weight:700;
}
.btn.primary{
  background:var(--ocean);
  color:#fff;
}
.btn.ghost{
  border-color:var(--line);
  color:var(--ocean2);
  background:#fff;
}
.hero{
  background:linear-gradient(180deg, #eaf6ff 0%, #fbfdff 65%);
  padding:42px 0 18px;
}
.hero h1{margin:0 0 10px; font-size:38px; line-height:1.1; color:var(--ocean2)}
.hero p{margin:0 0 18px; color:var(--muted); font-size:18px; max-width:780px}
.hero .cta{display:flex; gap:12px; flex-wrap:wrap}

.grid{
  display:grid;
  grid-template-columns:repeat(12, 1fr);
  gap:18px;
  padding:22px 0 34px;
}
.card{
  grid-column: span 6;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 8px 24px rgba(11,79,108,0.06);
}
.card .body{padding:16px 16px 18px}
.card h2{margin:0 0 6px; color:var(--ocean2)}
.card p{margin:0 0 10px; color:var(--muted)}
.tags{display:flex; flex-wrap:wrap; gap:8px; margin:10px 0 14px}
.tag{
  display:inline-block; padding:6px 10px; border-radius:999px;
  background:#f1f7fb; border:1px solid #d9e8f3; color:var(--ocean2);
  font-size:13px; font-weight:700;
}
.card img{
  width:100%; height:300px; object-fit:cover; display:block;
}
.section{
  padding:14px 0 10px;
}
.section h3{margin:0 0 10px; color:var(--ocean2)}
.split{
  display:grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap:18px;
}
.box{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  background:#fff;
}
.footer{
  border-top:1px solid var(--line);
  padding:22px 0 40px;
  color:var(--muted);
  font-size:14px;
}
.gallery{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:10px;
}
.gallery img{
  width:100%; height:220px; object-fit:cover; border-radius:12px;
  border:1px solid var(--line);
}
.gallery .wide{grid-column: span 12; height:360px}
.gallery .half{grid-column: span 6}
@media (max-width: 860px){
  .card{grid-column: span 12}
  .split{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .gallery .half{grid-column: span 12}
}
.note{
  font-size:14px; color:var(--muted);
}