:root{--blue:#1565c0;--blue-dark:#0d47a1;--blue-light:#1976d2;--orange:#f5a623;--orange-dark:#e8940a;--charcoal:#2d2d2d;--charcoal-light:#3d3d3d;--white:#fff;--bg-light:#f8f9fb;--bg-grey:#f0f4f8;--text-muted:#666;--text-secondary:#444;--border:#e0e6ed;--shadow:0 4px 20px #1565c01f;--shadow-lg:0 8px 40px #1565c02e}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--charcoal);background:var(--white);font-family:Inter,sans-serif;overflow-x:hidden}.bengali{font-family:Hind Siliguri,sans-serif}nav{background:var(--white);border-bottom:3px solid var(--orange);z-index:100;position:sticky;top:0;box-shadow:0 2px 12px #00000014}.nav-inner{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:12px 24px;display:flex}.logo-wrap{align-items:center;gap:12px;display:flex}.logo-img{object-fit:contain;width:95px;height:auto}.logo-text{line-height:1.2}.logo-text .main{color:var(--blue);font-family:Hind Siliguri,sans-serif;font-size:35px;font-weight:700}.logo-text .sub{color:var(--orange-dark);letter-spacing:.5px;text-transform:uppercase;font-size:25px;font-weight:500}nav ul{align-items:center;gap:8px;list-style:none;display:flex}nav ul li a{color:var(--charcoal);border-radius:6px;padding:8px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s}nav ul li a:hover{background:var(--bg-light);color:var(--blue)}.nav-cta{background:var(--orange)!important;color:var(--white)!important;border-radius:6px!important;padding:9px 20px!important;font-weight:600!important}.nav-cta:hover{background:var(--orange-dark)!important;color:var(--white)!important}.hero{background:linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 60%, var(--charcoal) 100%);padding:90px 24px 100px;position:relative;overflow:hidden}.hero:before{content:"";border:60px solid #f5a62326;border-radius:50%;width:400px;height:400px;position:absolute;top:-80px;right:-80px}.hero:after{content:"";border:40px solid 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