/* Course bundles (bundles.php, bundle_details.php) */
.obn { padding: 30px 0 70px; background: #F6F5FC; }
.obn-intro { color: #6B6987; margin: 0 0 18px; }
.obn-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.obn-card { display: flex; flex-direction: column; background: #fff; border: 1px solid #E7E6F2; border-radius: 18px; overflow: hidden; color: inherit; text-decoration: none; transition: box-shadow .2s, transform .2s; }
.obn-card:hover { box-shadow: 0 18px 40px -24px rgba(14,11,51,.45); transform: translateY(-2px); }
.obn-stack { position: relative; height: 170px; background: linear-gradient(135deg, #1B1460, #5B3CF5); overflow: hidden; }
.obn-stack img { position: absolute; width: 62%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 10px; border: 3px solid #fff; box-shadow: 0 10px 24px -10px rgba(0,0,0,.5);
  left: calc(8% + var(--i) * 13%); top: calc(14% + var(--i) * 9%); transform: rotate(calc(-6deg + var(--i) * 6deg)); }
.obn-save { position: absolute; right: 12px; top: 12px; padding: 5px 10px; border-radius: 999px; background: #FFF1D6; color: #7A4A00; font-weight: 800; font-size: 12.5px; }
.obn-save.is-inline { position: static; display: inline-block; margin-bottom: 8px; }
.obn-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.obn-count { font-size: 12px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; color: #5B3CF5; }
.obn-body h3 { font-size: 18px; font-weight: 800; color: #0E0B33; margin: 0; line-height: 1.3; }
.obn-body p { font-size: 14px; color: #6B6987; margin: 0; }
.obn-price { margin-top: auto; padding-top: 8px; display: flex; align-items: baseline; gap: 8px; }
.obn-price strong, .obd-price strong { font-size: 22px; font-weight: 800; color: #0E0B33; }
.obn-price del, .obd-price del { color: #A3A1BC; }

.obd-hero { background: radial-gradient(circle at 10% 0, #EDE8FF, transparent 50%), #F6F5FC; border-bottom: 1px solid #ECEAF7; padding: 28px 0 30px; }
.obd-hero h1 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; color: #0E0B33; margin: 8px 0; }
.obd-lead { color: #3D3B5C; font-size: 17px; max-width: 760px; margin: 0; }
.obd { padding: 30px 0 80px; }
.obd-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 30px; align-items: start; }
.obd-desc { color: #3D3B5C; line-height: 1.75; margin-bottom: 20px; }
.obd-h2 { font-size: 21px; font-weight: 800; color: #0E0B33; margin: 0 0 12px; }
.obd-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.obd-list li { display: flex; align-items: center; gap: 14px; padding: 12px; border: 1px solid #E7E6F2; border-radius: 14px; background: #fff; }
.obd-n { flex: none; width: 28px; height: 28px; border-radius: 50%; background: #F1EEFF; color: #5B3CF5; display: grid; place-items: center; font-weight: 800; font-size: 13px; }
.obd-list img { flex: none; width: 110px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 9px; }
.obd-list li > div { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.obd-list a { color: #0E0B33; text-decoration: none; } .obd-list a:hover { color: #5B3CF5; }
.obd-list small { color: #6B6987; }
.obd-p { font-weight: 800; color: #0E0B33; white-space: nowrap; } .obd-p em { font-style: normal; color: #0B6B3A; font-size: 13px; }
.obd-buy { position: sticky; top: 110px; }
.obd-buy-in { background: #fff; border: 1px solid #E7E6F2; border-radius: 20px; padding: 22px; box-shadow: 0 24px 50px -32px rgba(14,11,51,.45); }
.obd-price { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; } .obd-price strong { font-size: 32px; }
.obd-note { font-size: 13px; color: #6B6987; }
.obd-cta { display: flex; justify-content: center; align-items: center; height: 52px; border-radius: 12px; background: #5B3CF5; color: #fff !important; font-weight: 800; font-size: 16px; text-decoration: none; box-shadow: 0 12px 24px -12px rgba(91,60,245,.85); }
.obd-cta:hover { background: #4A2FE0; }
.obd-cta.is-owned { background: #E3F6EC; color: #0B6B3A !important; box-shadow: none; }
.obd-buy ul { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-direction: column; gap: 6px; color: #3D3B5C; font-size: 14px; }
@media (max-width: 991px) { .obd-grid { grid-template-columns: 1fr; } .obd-buy { position: static; } .obd-list img { width: 80px; } }