:root{--blue:#087ff5;--royal:#165dff;--sky:#eaf7ff;--cyan:#12b8ff;--navy:#071b3d;--text:#18304e;--muted:#667b94;--line:#dceafa;--white:#fff;--shadow:0 24px 70px rgba(25,96,170,.13)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{font-family:'Noto Sans Bengali',sans-serif;color:var(--text);background:#fff;overflow-x:hidden}a{text-decoration:none}.container{max-width:1180px}.skip-link{position:fixed;top:-50px;left:20px;background:#fff;padding:10px 18px;z-index:9999;color:var(--navy);border-radius:8px}.skip-link:focus{top:10px}.navbar{padding:14px 0;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:.3s}.navbar.scrolled{padding:8px 0;border-color:var(--line);box-shadow:0 8px 30px rgba(20,77,136,.07)}.navbar-brand img{width:178px;height:52px;object-fit:contain;object-position:left center}.nav-link{color:#34506d!important;font-weight:600;padding:10px 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