.bt-hero{position:relative;min-height:600px;display:flex;flex-direction:column}.bt-hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}.bt-hero-bg img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.bt-hero-overlay{position:relative;z-index:1;flex:1;display:flex;align-items:center;background:linear-gradient(135deg,rgba(10,54,128,.88) 0,rgba(10,54,128,.55) 100%);padding:var(--spacing-xxl) 0}.bt-hero-content{max-width:680px}.bt-hero-content h1{color:#fff;font-size:2.75rem;font-weight:700;line-height:1.15;margin-bottom:var(--spacing-sm)}.bt-hero-sub{color:rgba(255,255,255,.85);font-size:1.1rem;line-height:1.6;margin-bottom:var(--spacing-lg)}.bt-hero-actions{display:flex;gap:var(--spacing-sm);flex-wrap:wrap}.bt-btn-ghost-light{display:inline-block;background:0 0;color:#fff;border:1px solid rgba(255,255,255,.6);padding:12px 28px;font-weight:600;font-size:.9rem;border-radius:var(--radius);transition:.2s;text-align:center}.bt-btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}.bt-hero-bar{position:relative;z-index:1;background:var(--brand-primary);padding:var(--spacing-sm) 0}.bt-hero-bar-item{text-align:center;padding:var(--spacing-xs) var(--spacing-sm)}.bt-bar-number{display:block;font-size:1.5rem;font-weight:700;color:#fff;line-height:1.2}.bt-bar-label{display:block;font-size:.75rem;color:rgba(255,255,255,.7);text-transform:uppercase;letter-spacing:.04em}.bt-product-card{border:1px solid var(--brand-border);border-radius:var(--radius);padding:0;background:#fff;transition:box-shadow .2s;height:100%;display:flex;flex-direction:column}.bt-product-card:hover{box-shadow:0 4px 20px rgba(0,0,0,.08)}.bt-product-img{height:200px;overflow:hidden;background:var(--brand-bg-light);display:flex;align-items:center;justify-content:center}.bt-product-img img{width:100%;height:100%;-o-object-fit:contain;object-fit:contain;padding:var(--spacing-sm)}.bt-product-card h3{font-size:1.15rem;padding:var(--spacing-sm) var(--spacing-md) 0;margin-bottom:var(--spacing-xs)}.bt-product-card p{font-size:.88rem;color:var(--brand-text-secondary);padding:0 var(--spacing-md);flex:1;line-height:1.55}.bt-product-card .bt-btn-secondary{margin:var(--spacing-sm) var(--spacing-md) var(--spacing-md);font-size:.82rem;padding:8px 20px;align-self:flex-start}.bt-tech-list{list-style:none;padding:0;margin:var(--spacing-md) 0 var(--spacing-lg)}.bt-tech-list li{margin-bottom:var(--spacing-md);padding-left:var(--spacing-md);border-left:2px solid var(--brand-primary)}.bt-tech-list li strong{display:block;font-size:.95rem;color:var(--brand-text);margin-bottom:4px}.bt-tech-list li span{font-size:.88rem;color:var(--brand-text-secondary);line-height:1.55}.bt-industry-card{height:100%;display:flex;flex-direction:column}.bt-industry-icon{width:48px;height:48px;margin-bottom:var(--spacing-sm)}.bt-industry-icon img{width:100%;height:100%;-o-object-fit:contain;object-fit:contain}.bt-industry-card h4{font-size:1.05rem;margin-bottom:var(--spacing-xs)}.bt-industry-card p{font-size:.85rem;color:var(--brand-text-secondary);margin:0;line-height:1.55}.bt-cert-badge{text-align:center}.bt-cert-badge img{width:48px;height:48px;filter:grayscale(1) brightness(2);opacity:.7;margin-bottom:8px;transition:.2s}.bt-cert-badge:hover img{filter:none;opacity:1}.bt-cert-badge span{display:block;font-size:.72rem;color:rgba(255,255,255,.6);text-transform:uppercase;letter-spacing:.04em}.bt-accordion-item{border:1px solid var(--brand-border);border-radius:var(--radius);margin-bottom:var(--spacing-xs)}.bt-accordion-item .accordion-button{font-weight:600;font-size:.92rem;color:var(--brand-text);background:#fff;border-radius:var(--radius)}.bt-accordion-item .accordion-button:not(.collapsed){background:var(--brand-bg-light);color:var(--brand-primary);box-shadow:none}.bt-accordion-item .accordion-body{font-size:.88rem;color:var(--brand-text-secondary);line-height:1.6}@media (max-width:991.98px){.bt-hero{min-height:500px}.bt-hero-content h1{font-size:2rem}.bt-hero-bar .container{justify-content:center;gap:var(--spacing-sm)}}@media (max-width:575.98px){.bt-hero{min-height:420px}.bt-hero-content h1{font-size:1.625rem}.bt-hero-actions{flex-direction:column}.bt-hero-bar-item{flex:1 1 45%}}