:root{--bt-gold:#d4af37;--bt-dark:#121212;--bt-border:#e8e6e0;--bt-bg-cream:#fdfcf8}.tanetOs{color:#fff}.bt-engage-section{background-color:#fff;padding:60px 0}.bt-container{margin:0 auto;max-width:1440px}.bt-engage-header{margin-bottom:60px;text-align:center}.bt-engage-tag{color:var(--bt-gold);display:block;font-size:12px;font-weight:700;letter-spacing:4px;margin-bottom:20px;text-transform:uppercase}.bt-engage-title{color:var(--bt-dark);font-size:48px;font-weight:800}.bt-engage-grid{display:grid;gap:40px;grid-template-columns:1fr 1fr}.bt-engage-card{background-color:#fff;border:1px solid var(--bt-border);display:flex;flex-direction:column;justify-content:space-between;padding:60px;transition:all .4s ease}.bt-premium-card{background-color:#1d3b5a;border-color:var(--bt-dark);color:#fff}.bt-card-num{display:block;font-size:14px;font-weight:800;margin-bottom:25px}.bt-card-name{font-size:32px;font-weight:800;margin-bottom:15px}.bt-card-tagline{color:#666;font-size:18px;line-height:1.4;margin-bottom:40px}.bt-premium-card .bt-card-tagline{color:#999}.bt-trademark{font-size:16px;vertical-align:super}.bt-feature-list{list-style:none;margin-bottom:60px;padding:0}.bt-feature-list li{border-bottom:1px solid rgba(0,0,0,.05);font-size:16px;padding:12px 0 12px 25px;position:relative}.bt-premium-card .bt-feature-list li{border-bottom-color:hsla(0,0%,100%,.1)}.bt-feature-list li:before{color:var(--bt-gold);content:"—";font-weight:700;left:0;position:absolute}.bt-card-footer p{font-size:19px;font-weight:600;line-height:1.4}.bt-highlight{border-bottom:2px solid var(--bt-dark)}.bt-gold-text{color:var(--bt-gold)}.bt-engage-card:hover{box-shadow:0 30px 60px rgba(0,0,0,.05);transform:translateY(-10px)}@media (max-width:900px){.bt-engage-grid{grid-template-columns:1fr}.bt-engage-card{padding:40px}}