/* Basic clean styles, mobile-first */
*{box-sizing:border-box}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Bengali","Noto Sans","Helvetica Neue",Arial,"Bangla",sans-serif;line-height:1.6;background:#fafafa;color:#111}
a{color:#0b5cab;text-decoration:none}
a:hover{text-decoration:underline}
.header{background:#ffffff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:50}
.container{max-width:980px;margin:0 auto;padding:16px}
.nav{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.brand{font-weight:800;font-size:20px;letter-spacing:.2px}
.nav a{font-weight:600}
.hero{padding:24px;background:linear-gradient(180deg,#f6fbff,#fff);border-bottom:1px solid #eee}
.grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.grid{grid-template-columns:2fr 1fr}}
.card{background:#fff;border:1px solid #eee;border-radius:12px;padding:16px;box-shadow:0 1px 0 rgba(16,24,40,.02)}
.card h2,.card h3{margin-top:0}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:#e6f2ff;color:#0b5cab;font-weight:700;font-size:12px}
.cta{display:inline-block;padding:12px 16px;border-radius:10px;background:#0b5cab;color:#fff;font-weight:800;border:none;cursor:pointer}
.cta.secondary{background:#0f5132}
footer{margin-top:24px;background:#fff;border-top:1px solid #eee}
.kicker{font-size:13px;color:#555}
.list{padding-left:18px}
.alert{background:#fff9e6;border:1px solid #ffe8a3;padding:12px;border-radius:8px}
.small{font-size:13px;color:#666}