:root{
    /* tweak these variables to customize */
    --ds-bg: #1a1a1a;
    --ds-card: #1a1a1a;
    --ds-accent: #e33b2b;   /* dataspy red */
    --ds-text: #eaeaea;
    --ds-muted: #bdbdbd;

    --logo-size: 90px;      /* outer circle diameter */
    --logo-inner: 90px;     /* actual logo displayed size */
    --gap: 28px;            /* gap between circular badges */
    --speed: 18s;           /* full track scroll duration (lower = faster) */
    --shadow: 0 12px 34px rgba(0,0,0,0.7);
  }

  /* Section base */
  .ds-partners {
    background: var(--ds-bg);
    color: var(--ds-text);
    padding: 48px 18px;
    border-top: 2px solid rgba(227,59,43,0.06);
    border-bottom: 2px solid rgba(227,59,43,0.06);
  }
  .ds-inner { max-width: 1200px; margin: 0 auto; }
  .ds-section-title { text-align:center; font-size:1.35rem; margin:0 0 6px; }
  .ds-sub { text-align:center; color:var(--ds-muted); margin:0 0 20px; }

  /* Viewport: masked area for the track */
  .partners-viewport {
    overflow: hidden;
    position: relative;
    margin: 0 auto;
    padding: 12px 0;
  }

  /* Track: horizontal flex container that scrolls continuously */
  .partners-track {
    display: flex;
    align-items: center;
    gap: var(--gap);
    width: max-content; /* expands to contain duplicated items */
    animation: partners-scroll var(--speed) linear infinite;
    will-change: transform;
    padding: 8px 0;
  }

  /* Individual partner circular badge */
  .partner {
    width: var(--logo-size);
    height: var(--logo-size);
    flex: 0 0 auto;
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.05));
    display: grid;
    place-items: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,0.03);
    transition: transform 220ms ease, box-shadow 220ms ease;
  }
  .partner:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 18px 44px rgba(0,0,0,0.85);
  }

  /* Logos inside badge */
  .partner img {
    width: var(--logo-inner);
    height: var(--logo-inner);
    object-fit: contain;
    display: block;
    transition: filter 220ms ease, transform 220ms ease;
  }
  .partner:hover img {
    filter: none;
    transform: scale(1.04);
  }

  /* make animation feel seamless by translating by half of track width (duplicate sets) */
  @keyframes partners-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-50%)); }
  }

  /* Controls (optional small buttons) */
  .partners-controls {
    display:flex;
    justify-content:center;
    gap:12px;
    margin-top:14px;
  }
  .partners-controls button{
    background:transparent;
    color:var(--ds-muted);
    border: 1px solid rgba(255,255,255,0.04);
    padding:8px 10px;
    border-radius:8px;
    font-weight:700;
    cursor:pointer;
  }
  .partners-controls button:hover{
    color:var(--ds-text);
    border-color: rgba(227,59,43,0.18);
  }

  /* Responsive adjustments */
  @media (max-width: 980px){
    :root { --logo-size: 84px; --logo-inner: 56px; --gap:22px; --speed: 22s; }
  }
  @media (max-width: 640px){
    :root { --logo-size: 64px; --logo-inner: 44px; --gap:16px; --speed: 24s; }
    .ds-section-title { font-size:1.1rem; }
    .partners-controls { display:none; } /* hide small controls on tiny screens */
  }