:root{--ink:#1f2937;--muted:#64748b;--paper:#fff;--bg:#f4f6f8;--accent:#174a7e}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,"Noto Sans Bengali",sans-serif;background:var(--bg);color:var(--ink);line-height:1.8}
header{background:#174a7e;color:white;padding:42px 20px}
.container{max-width:1000px;margin:auto;padding:0 20px}
nav{background:white;border-bottom:1px solid #ddd;padding:12px 0}
nav a{color:#174a7e;text-decoration:none;margin-right:24px;font-weight:600}
.hero h1{font-size:42px;margin:0 0 8px}
.hero p{margin:0;font-size:18px;opacity:.92}
main{padding:35px 0}
.card{background:white;padding:24px;margin:18px 0;border-radius:10px;box-shadow:0 2px 10px #0000000b}
.card h2{margin-top:0}
.card a{color:#174a7e;text-decoration:none}
.article{background:white;padding:35px;border-radius:10px}
.article h1{line-height:1.3}
.article-meta{color:var(--muted);margin-bottom:25px}
footer{margin-top:50px;padding:25px 0;background:#1f2937;color:#ddd;text-align:center}
@media(max-width:600px){.hero h1{font-size:32px}.article{padding:22px}}