/* ===== Ocean Chain Marine premium theme ===== */
:root{
  --navy:#0b2240;
  --marine:#0b6bcb;
  --text:#101828;
  --muted:#475467;
  --bg:#ffffff;
  --bg-alt:#f7f9fb;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;background:var(--navy);color:#fff;padding:12px 18px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;letter-spacing:.2px}
.brand-mark{height:32px;width:auto}
.brand-text{display:none}
@media (min-width:760px){ .brand-text{display:inline} }
.nav{display:flex;gap:14px;flex-wrap:wrap}
.nav a{color:#d6e7ff;text-decoration:none;padding:6px 10px;border-radius:8px}
.nav a:hover,.nav a.active{background:#163d6d;color:#fff}
.hero{min-height:52vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:48px 18px;color:#fff;background-size:cover;background-position:center}
.hero .hero-inner{max-width:980px}
.hero h1{font-size:clamp(28px,5.4vw,48px);font-weight:900;margin-bottom:12px;text-shadow:0 2px 6px rgba(0,0,0,.25)}
.hero p{opacity:.95;margin-bottom:18px}
.cta{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-block;background:var(--marine);color:#fff;padding:10px 16px;border-radius:10px;font-weight:700;text-decoration:none}
.btn.ghost{background:transparent;border:2px solid #fff;color:#fff}
.section{padding:32px 18px}
.section.alt{background:var(--bg-alt)}
.section .container{max-width:1100px;margin:0 auto}
.section h2{margin-bottom:10px}
.list{padding-left:18px}.list li{margin:6px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;max-width:1100px;margin:0 auto}
.cards-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{border:1px solid #e6ecf5;border-radius:14px;background:#fff;padding:18px;box-shadow:0 1px 0 rgba(10,20,40,.03)}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;max-width:1100px;margin:0 auto}
.gallery figure{background:#fff;border:1px solid #e6ecf5;border-radius:14px;overflow:hidden;box-shadow:0 1px 0 rgba(10,20,40,.03)}
.gallery img{display:block;width:100%;height:220px;object-fit:cover}
.gallery figcaption{padding:10px 12px;color:var(--muted);font-size:.92rem}

/* Tint ship photos to green. Applying a hue rotation and increased saturation
   gives the impression of a green hull without editing the underlying file. */
.green-ship{filter:hue-rotate(120deg) saturate(1.6) brightness(1.1);}
.page-hero{padding:28px 18px;text-align:center;background:var(--bg-alt)}
.page-hero h1{font-size:clamp(26px,4.6vw,40px);font-weight:900;margin-bottom:6px}
.page-hero p{color:var(--muted)}
.site-footer{border-top:1px solid #e6ecf5;margin-top:26px;padding:24px 18px;color:var(--muted)}
.site-footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px;max-width:1100px;margin:0 auto}
.copy{text-align:center;margin-top:10px}
.muted{color:var(--muted)}.small{font-size:.9rem}