.brand-card          { transition: transform 0.3s ease, box-shadow 0.3s ease; }
    .brand-card:hover    { transform: translateY(-4px); }
    .cover-img           { transition: transform 0.6s ease, filter 0.4s ease; }
    .brand-card:hover .cover-img { transform: scale(1.06); filter: grayscale(0%) brightness(0.7); }
    .grain-overlay       { background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E"); }
    .filter-btn.active   { background: white; color: black; }
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(24px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .fade-up { animation: fadeUp 0.5s ease forwards; opacity: 0; }