/* Minimal grid */
.smbk-grid{display:grid;gap:1rem}
.smbs-cols-3{grid-template-columns:repeat(3,1fr)}
.smbk-card{border:1px solid #e5e7eb;border-radius:.75rem;padding:.75rem;background:#fff}
.smbk-cover img{width:100%;height:auto;display:block;border-radius:.5rem}
.smbk-placeholder{height:240px;display:flex;align-items:center;justify-content:center;background:#f3f4f6;color:#9ca3af;border-radius:.5rem}
/* Banner */
.smbk-banner{overflow:hidden;border-radius:1rem;border:1px solid #e5e7eb}
.smbk-banner-track{display:flex;transition:transform .6s ease}
.smbk-banner-slide{min-width:100%;height:var(--smbk-banner-h,360px);position:relative;display:block}
.smbk-banner-slide img{width:100%;height:100%;object-fit:cover}
.smbk-banner-caption{position:absolute;left:1rem;bottom:1rem;background:rgba(0,0,0,.55);color:#fff;padding:.5rem .75rem;border-radius:.5rem}