/* Showcase (cards) */
    .showcase{background:#fff;padding:clamp(28px,4vw,48px) 0}
    .showcase .container{max-width:1300px;margin:0 auto;padding:0 16px}
    .showcase h2{margin:0 0 12px;color:#161dc7;font-size:clamp(1.2rem,2.4vw,1.6rem)}
    .sec-intro{margin:0 0 18px;color:#444;font-size:clamp(1rem,2vw,1.125rem);line-height:1.55;max-width:100%;}
    .grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
    .tile{grid-column:span 12;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:16px;overflow:hidden;box-shadow:0 10px 28px rgba(0,0,0,.08)}
    .tile picture,.tile img,.tile-img{display:block;width:100%;height:auto;object-fit:cover}
    .tile-img{aspect-ratio:410/230}
    .tile img{aspect-ratio:16/9}
    .tile-body{padding:16px;text-align:left}
    .tile h3{margin:.2rem 0 .4rem;font-size:1.25rem;color:#0A0F2B}
    .tile .muted{margin:.2rem 0 .6rem;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;line-height:1.5;max-height:calc(1.5em*3)}
    #nav-showcase .tile .cta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:520px;margin:12px auto 0;align-items:stretch;justify-items:stretch}
    #nav-showcase .tile .cta .btn{width:100%;padding:.9rem 1.1rem;text-align:center;white-space:nowrap;box-sizing:border-box}
    .btn{display:inline-block;padding:12px 20px;border-radius:8px;text-align:center;font-weight:600;text-decoration:none;cursor:pointer;transition:all .3s ease;box-sizing:border-box}
    .btn-primary{background-color:var(--cta-bg);color:#fff;border:none}
    .btn-primary:hover,.btn-primary:focus{background-color:var(--cta-hover);box-shadow:0 4px 8px rgba(138,0,137,.2)}
    .btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
    .btn-outline:hover,.btn-outline:focus{background-color:var(--primary);color:#fff;box-shadow:0 4px 8px rgba(10,15,43,.2)}
    .btn:focus{outline:3px solid #ffd700}
    @media (min-width:760px){.tile{grid-column:span 6}}
    @media (min-width:1100px){.tile{grid-column:span 4}}
    @media (max-width:768px){#nav-showcase .tile .cta{grid-template-columns:1fr}.btn{font-size:1rem;padding:10px 16px;width:100%}}
    @media (min-width:1025px){.btn{font-size:1.125rem;padding:12px 20px}}
    @media (min-width:759px) and (max-width:830px){#nav-showcase .tile .cta{grid-template-columns:1fr}}
    @media (min-width:250px) and (max-width:500px){#nav-showcase .tile .cta{grid-template-columns:1fr}}