.navbar{position:fixed !important;top:0;left:0;right:0;z-index:9990;transition:box-shadow 0.3s,background-color 0.3s}.navbar.navbar-scrolled{box-shadow:0 2px 16px rgba(0,0,0,0.25);background-color:#0a1628 !important}body{padding-top:72px}.whatsapp-float{position:fixed;left:20px;bottom:20px;width:56px;height:56px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(37,211,102,0.4);z-index:9999;cursor:pointer;text-decoration:none;transition:transform 0.2s,box-shadow 0.2s;animation:wa-pulse 2s infinite}.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(37,211,102,0.6);animation:none}.whatsapp-float svg{width:28px;height:28px;fill:#fff}@keyframes wa-pulse{0%{box-shadow:0 4px 12px rgba(37,211,102,0.4)}50%{box-shadow:0 4px 20px rgba(37,211,102,0.7)}100%{box-shadow:0 4px 12px rgba(37,211,102,0.4)}}.back-to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;background:var(--primary,#1a3c6e);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 10px rgba(0,0,0,0.2);z-index:9998;cursor:pointer;opacity:0;visibility:hidden;transition:opacity 0.3s,visibility 0.3s,transform 0.2s;border:none}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{transform:translateY(-3px);background:var(--secondary,#e85d04)}.back-to-top svg{width:20px;height:20px;fill:#fff;stroke:#fff}.course-levels-section{padding:3.5rem 0;background:var(--light-bg,#f8f9fa)}.course-level-offer-card{background:#fff;border:1px solid var(--border,#dee2e6);border-radius:12px;padding:1.5rem;height:100%;position:relative;overflow:hidden;transition:transform 0.2s,box-shadow 0.2s}.course-level-offer-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,0.1)}.course-level-offer-card .level-badge{display:inline-block;font-size:0.7rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;padding:0.25rem 0.7rem;border-radius:20px;color:#fff;margin-bottom:0.75rem}.course-level-offer-card .discount-ribbon{position:absolute;top:12px;right:-30px;background:#dc3545;color:#fff;font-size:0.7rem;font-weight:700;padding:0.2rem 2rem;transform:rotate(45deg)}.course-level-offer-card .price-original{text-decoration:line-through;color:var(--text-muted,#6c757d);font-size:0.9rem}.course-level-offer-card .price-offer{font-size:1.8rem;font-weight:900;color:var(--secondary,#e85d04);line-height:1.1}.course-level-offer-card .offer-notice{background:#fff3cd;border:1px solid #ffc107;border-radius:6px;padding:0.4rem 0.7rem;font-size:0.75rem;font-weight:600;color:#856404;margin-top:0.75rem}.course-level-offer-card .detail-list{list-style:none;padding:0;margin:0.75rem 0;font-size:0.85rem}.course-level-offer-card .detail-list li{padding:0.2rem 0;color:var(--text-muted,#6c757d)}.course-level-offer-card .detail-list li::before{content:'✓ ';color:var(--secondary,#e85d04);font-weight:700}.course-level-offer-card .btn-enroll-card{display:block;width:100%;padding:0.6rem 1rem;background:var(--primary,#1a3c6e);color:#fff;border:none;border-radius:6px;font-weight:700;font-size:0.9rem;text-align:center;text-decoration:none;transition:background 0.2s;margin-top:0.75rem}.course-level-offer-card .btn-enroll-card:hover{background:var(--secondary,#e85d04);color:#fff}.dropdown-mega{position:static !important}.mega-menu{width:100%;max-width:900px;left:50% !important;right:auto !important;transform:translateX(-50%) !important;padding:1.5rem;border:none;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,0.15);top:100%}.mega-menu .row{--bs-gutter-x:2rem}.mega-menu-heading{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;color:var(--primary,#1a3c6e);padding:0.25rem 1rem;margin-bottom:0.25rem;border-bottom:2px solid var(--primary,#1a3c6e);display:inline-block}.mega-menu .dropdown-item{padding:0.35rem 1rem;font-size:0.9rem;border-radius:4px;white-space:normal}.mega-menu .dropdown-item:hover{background:var(--light-bg,#f8f9fa);color:var(--primary,#1a3c6e)}.btn-cta-nav{background:var(--secondary,#e85d04);color:#fff !important;font-weight:600;font-size:0.85rem;padding:0.4rem 1rem;border-radius:6px;text-decoration:none;transition:background 0.2s,transform 0.2s;white-space:nowrap}.btn-cta-nav:hover{background:#c44e03;transform:translateY(-1px);color:#fff !important}.footer-links{font-size:0.85rem;line-height:1.8}.footer-links li a{color:rgba(255,255,255,0.7);text-decoration:none;transition:color 0.2s}.footer-links li a:hover{color:#fff}@media (max-width:768px){.whatsapp-float{left:15px;bottom:15px;width:50px;height:50px}.whatsapp-float svg{width:24px;height:24px}.back-to-top{right:15px;bottom:15px;width:40px;height:40px}body{padding-top:60px}.course-levels-section{padding:2rem 0}}@media (max-width:991.98px){.mega-menu{position:static !important;transform:none !important;width:100%;max-width:100%;box-shadow:none;border-radius:0;padding:0.5rem}.mega-menu .row > div{margin-bottom:0.5rem}.mega-menu-heading{margin-top:0.5rem}.btn-cta-nav{display:block;text-align:center;margin-top:0.5rem}}