:root{--brand-primary:#0D47A1;--brand-primary-dark:#0A3680;--brand-secondary:#00ACC1;--brand-accent:#FF6F00;--brand-text:#1A1A2E;--brand-text-secondary:#5A6275;--brand-bg-light:#F5F7FA;--brand-bg-alt:#E8EDF2;--brand-border:#D0D5DD;--text-on-dark:#FFFFFF;--spacing-xs:8px;--spacing-sm:16px;--spacing-md:24px;--spacing-lg:32px;--spacing-xl:48px;--spacing-xxl:64px;--radius:0px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:#1a1a2e;color:var(--brand-text);font-size:16px;line-height:1.6}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.25;color:#1a1a2e;color:var(--brand-text)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}a{color:#0d47a1;color:var(--brand-primary);-webkit-text-decoration:none;text-decoration:none;transition:color .2s}a:hover{color:#0a3680;color:var(--brand-primary-dark)}img{max-width:100%;height:auto}.bt-navbar-line{background:#fff;border-bottom:1px solid #e0e0e0;padding:6px 0;box-shadow:none}.bt-navbar-line .navbar-brand{padding:4px 0}.bt-navbar-line .navbar-brand img{max-height:36px;width:auto}.bt-navbar-line .nav-link{font-size:.85rem;font-weight:500;color:#1a1a2e;color:var(--brand-text);padding:8px 14px;letter-spacing:.02em;transition:color .2s}.bt-navbar-line .nav-link.active,.bt-navbar-line .nav-link:hover{color:#0d47a1;color:var(--brand-primary)}.bt-navbar-line .navbar-toggler{border:1px solid #d0d5dd;border:1px solid var(--brand-border);padding:4px 8px}.bt-section{padding:64px 0;padding:var(--spacing-xxl) 0}.bt-section-alt{background:#f5f7fa;background:var(--brand-bg-light)}.bt-section-dark{background:#0a3680;background:var(--brand-primary-dark);color:#fff;color:var(--text-on-dark)}.bt-section-dark a,.bt-section-dark h2,.bt-section-dark h3,.bt-section-dark p{color:#fff;color:var(--text-on-dark)}.bt-section-dark a:hover{color:#00acc1;color:var(--brand-secondary)}.bt-section-title{font-size:2rem;font-weight:700;margin-bottom:16px;margin-bottom:var(--spacing-sm);color:#1a1a2e;color:var(--brand-text)}.bt-section-subtitle{font-size:1.05rem;color:#5a6275;color:var(--brand-text-secondary);margin-bottom:48px;margin-bottom:var(--spacing-xl)}.bt-btn-primary{background:#0d47a1;background:var(--brand-primary);color:#fff;color:var(--text-on-dark);border:none;padding:12px 28px;font-weight:600;font-size:.9rem;border-radius:0;border-radius:var(--radius);transition:background .2s;display:inline-block;text-align:center}.bt-btn-primary:hover{background:#0a3680;background:var(--brand-primary-dark);color:#fff;color:var(--text-on-dark)}.bt-btn-secondary{background:0 0;color:#0d47a1;color:var(--brand-primary);border:1px solid #0d47a1;border:1px solid var(--brand-primary);padding:12px 28px;font-weight:600;font-size:.9rem;border-radius:0;border-radius:var(--radius);transition:.2s;display:inline-block;text-align:center}.bt-btn-secondary:hover{background:#0d47a1;background:var(--brand-primary);color:#fff;color:var(--text-on-dark)}.bt-btn-on-dark{background:#fff;background:var(--text-on-dark);color:#0d47a1;color:var(--brand-primary);border:none;padding:12px 28px;font-weight:600;font-size:.9rem;border-radius:0;border-radius:var(--radius);transition:.2s;display:inline-block;text-align:center}.bt-btn-on-dark:hover{background:#f5f7fa;background:var(--brand-bg-light);color:#0a3680;color:var(--brand-primary-dark)}.bt-card{border:1px solid #d0d5dd;border:1px solid var(--brand-border);border-radius:0;border-radius:var(--radius);padding:24px;padding:var(--spacing-md);background:#fff;transition:box-shadow .2s}.bt-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08)}.bt-divider{width:48px;height:2px;background:#0d47a1;background:var(--brand-primary);margin-bottom:24px;margin-bottom:var(--spacing-md)}.bt-footer{background:#0a3680;background:var(--brand-primary-dark);color:#fff;color:var(--text-on-dark);padding:24px 0;padding:var(--spacing-md) 0}.bt-footer-col{padding:16px 0;padding:var(--spacing-sm) 0}.bt-footer-heading{font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#fff;color:var(--text-on-dark);margin-bottom:16px;margin-bottom:var(--spacing-sm)}.bt-footer-links{list-style:none;padding:0;margin:0}.bt-footer-links li{margin-bottom:6px}.bt-footer-links a{color:rgba(255,255,255,.65);font-size:.85rem;transition:color .2s}.bt-footer-links a:hover{color:#fff;color:var(--text-on-dark)}.bt-footer-partners{border-top:1px solid rgba(255,255,255,.15);padding-top:16px;padding-top:var(--spacing-sm);margin-top:16px;margin-top:var(--spacing-sm);font-size:.8rem;color:rgba(255,255,255,.5)}.bt-footer-partners a{color:rgba(255,255,255,.6);margin-left:8px}.bt-footer-partners a:hover{color:#fff;color:var(--text-on-dark)}.bt-footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:16px;padding-top:var(--spacing-sm);margin-top:16px;margin-top:var(--spacing-sm);text-align:center}.bt-footer-logo{margin-bottom:8px;margin-bottom:var(--spacing-xs)}.bt-footer-logo img{max-height:32px;opacity:.85}.bt-footer-bottom p{margin:0;font-size:.8rem;color:rgba(255,255,255,.5)}.bt-modal-header{background:#0d47a1;background:var(--brand-primary);border-radius:0}.bt-modal-header .modal-title{color:#fff;color:var(--text-on-dark);font-weight:600}.bt-modal-header .btn-close{filter:brightness(0) invert(1)}@media (max-width:991.98px){h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.bt-section{padding:48px 0;padding:var(--spacing-xl) 0}}@media (max-width:575.98px){h1{font-size:1.625rem}h2{font-size:1.375rem}.bt-btn-on-dark,.bt-btn-primary,.bt-btn-secondary{display:block;width:100%;margin-bottom:8px;margin-bottom:var(--spacing-xs)}}.feedback-mini .form-label{font-size:.85rem;font-weight:500;color:#1a1a2e;color:var(--brand-text);margin-bottom:4px}.feedback-mini .form-label.require::after{content:" *";color:#dc3545}.feedback-mini .form-control,.feedback-mini .form-select{border-radius:0;border-radius:var(--radius);border:1px solid #d0d5dd;border:1px solid var(--brand-border);font-size:.9rem;padding:8px 12px}.feedback-mini .form-control:focus,.feedback-mini .form-select:focus{border-color:#0d47a1;border-color:var(--brand-primary);box-shadow:0 0 0 2px rgba(13,71,161,.15)}.feedback-mini .form-check-label{font-size:.8rem;color:#5a6275;color:var(--brand-text-secondary)}.feedback-mini .form-check-label a{color:#0d47a1;color:var(--brand-primary);-webkit-text-decoration:underline;text-decoration:underline}