:root{
  --bg:#0E3A43;
  --text:#ffffff;
  --accent:#f6b11a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}
.wrapper{max-width:980px;margin:0 auto;padding:24px 16px}
header{display:flex;justify-content:center;align-items:center;padding:24px 0}
header img{max-width:280px;width:72%;height:auto;filter: drop-shadow(0 2px 10px rgba(0,0,0,.25));}
h1{font-size:clamp(22px,3.8vw,34px);text-align:center;margin:8px 0 16px 0}
.grid{display:grid;gap:18px}
.grid img{width:100%;height:auto;border-radius:12px;display:block}
footer{margin:28px 0;text-align:center;font-size:13px;opacity:.8}
a.btn{display:inline-block;background:var(--accent);color:#17222a;text-decoration:none;padding:12px 18px;border-radius:10px;font-weight:700;margin:8px auto}
.cta{display:flex;justify-content:center}