*{margin:0;padding:0;box-sizing:border-box}:root{--primary:#059669;--primary-dark:#047857;--primary-light:#10b981;--bg-dark:#0f172a;--bg-card:rgba(30,41,59,.7);--bg-card-hover:rgba(30,41,59,.9);--text-main:#f8fafc;--text-muted:#94a3b8;--border-color:rgba(255,255,255,.1);--accent-red:#ef4444;--accent-green:#10b981;--accent-amber:#f59e0b;--accent-blue:#3b82f6;--shadow-sm:0 2px 4px rgba(0,0,0,.1);--shadow-md:0 4px 12px rgba(0,0,0,.15);--shadow-lg:0 10px 30px rgba(0,0,0,.25);--transition:all .3s cubic-bezier(.4,0,.2,1);--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px}body{font-family:'Hind Siliguri','Noto Sans Bengali',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.6;color:var(--text-main);background:var(--bg-dark);min-height:100vh}.container{max-width:1240px;margin:0 auto;padding:0 24px}.section{padding:80px 0}.section.alt{background:rgba(15,23,42,.6)}.section-head{text-align:center;margin-bottom:3.5rem}.section-head h2{font-size:2.25rem;font-weight:700;color:#fff;margin-bottom:.75rem;letter-spacing:-.02em}.section-head p{font-size:1.1rem;color:var(--text-muted);max-width:600px;margin:0 auto}.topbar{background:#090d16;color:var(--text-muted);padding:10px 0;font-size:.875rem;border-bottom:1px solid var(--border-color)}.flex-between{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}.motto{font-weight:500;color:#10b981}.social{display:flex;gap:16px}.social a{color:var(--text-muted);text-decoration:none;display:flex;align-items:center;transition:var(--transition)}.social a:hover{color:var(--primary-light);transform:translateY(-2px)}.nav{background:rgba(15,23,42,.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border-color);transition:var(--transition)}.nav.scrolled{background:rgba(15,23,42,.95);box-shadow:var(--shadow-md)}.brand a{color:#fff;font-size:1.5rem;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:8px}.menu{display:flex;list-style:none;margin:0;padding:0;gap:8px}.menu a{color:var(--text-muted);text-decoration:none;padding:18px 16px;display:block;font-weight:500;font-size:.95rem;transition:var(--transition);border-radius:var(--radius-sm)}.menu a:hover,.menu .current-menu-item>a{color:#fff;background:rgba(16,185,129,.15)}.menu-toggle{display:none;background:transparent;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}.menu-toggle span{display:block;width:24px;height:2px;background:var(--text-main);transition:var(--transition)}.hero-section{position:relative;padding:100px 0 80px;background:radial-gradient(circle at 50% 0%,rgba(16,185,129,.15),transparent 70%),var(--bg-dark);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.3);color:#10b981;padding:6px 16px;border-radius:var(--radius-full);font-size:.875rem;font-weight:600;margin-bottom:20px}.hero-title{font-size:3rem;font-weight:800;line-height:1.2;color:#fff;margin-bottom:20px}.hero-description{font-size:1.15rem;color:var(--text-muted);margin-bottom:32px}.hero-cta{display:flex;gap:16px;flex-wrap:wrap}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:40px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;text-align:center;backdrop-filter:blur(10px);transition:var(--transition)}.stat-card:hover{background:var(--bg-card-hover);border-color:rgba(16,185,129,.4);transform:translateY(-4px)}.stat-number{font-size:2.5rem;font-weight:800;color:#10b981;line-height:1.1;margin-bottom:6px}.stat-label{font-size:.9rem;color:var(--text-muted)}.tab-container{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:40px}.tab-btn{background:rgba(30,41,59,.6);border:1px solid var(--border-color);color:var(--text-muted);padding:10px 22px;border-radius:var(--radius-full);font-size:.95rem;font-weight:500;cursor:pointer;transition:var(--transition)}.tab-btn.active,.tab-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary-light);box-shadow:0 4px 14px rgba(16,185,129,.3)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}.card{background:var(--bg-card);border:1px solid 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h4{color:#6ee7b7;font-size:.95rem;margin-bottom:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#fff;padding:12px 28px;border-radius:var(--radius-md);font-weight:600;text-decoration:none;border:none;cursor:pointer;transition:var(--transition);box-shadow:0 4px 14px rgba(16,185,129,.25)}.btn:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(16,185,129,.4)}.btn-secondary{background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--border-color);box-shadow:none}.btn-secondary:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(9,13,22,.85);backdrop-filter:blur(12px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:var(--transition)}.modal-overlay.active{opacity:1;visibility:visible}.modal-box{background:#1e293b;border:1px solid var(--border-color);border-radius:var(--radius-lg);max-width:600px;width:100%;padding:32px;position:relative;box-shadow:var(--shadow-lg);transform:scale(.95);transition:var(--transition)}.modal-overlay.active .modal-box{transform:scale(1)}.modal-close{position:absolute;top:16px;right:16px;background:rgba(255,255,255,.1);border:none;color:var(--text-muted);width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.modal-close:hover{background:rgba(255,255,255,.2);color:#fff}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:6px;font-size:.9rem;color:var(--text-muted);font-weight:500}input[type=email],input[type=tel],input[type=text],select,textarea{width:100%;padding:12px 16px;background:rgba(15,23,42,.8);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:#fff;font-size:.95rem;transition:var(--transition)}input:focus,select:focus,textarea:focus{outline:0;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(16,185,129,.2)}.footer{background:#090d16;border-top:1px solid var(--border-color);padding:60px 0 24px;color:var(--text-muted);margin-top:80px}.footer h3{color:#fff;font-size:1.15rem;margin-bottom:16px}.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--border-color);text-align:center;font-size:.875rem}.text-green{color:#10b981}.text-blue{color:#3b82f6}.text-red{color:#ef4444}.text-amber{color:#f59e0b}.fade-in{animation:fadeIn .4s ease-in-out}@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.hero-grid{grid-template-columns:1fr;text-align:center}.hero-cta{justify-content:center}.hero-title{font-size:2.25rem}.menu-toggle{display:flex}.menu{display:none;position:absolute;top:100%;left:0;right:0;background:#0f172a;flex-direction:column;padding:16px;border-bottom:1px solid var(--border-color)}.menu.open{display:flex}}