#scrollProgress {
      position: fixed;
      top: 0;
      left: 0;
      height: 2px;
      width: 0;
      background: var(--gold);
      z-index: 9999;
      transition: width 0.1s linear;
    }

    /* ── iframe panel replaces .arc-panel-wrap ── */
    .arc-services-section {
      overflow: hidden;
      min-height: auto;
      padding: 4rem 4rem 4rem 2rem;
    }

    .arc-services-section .arc-container {
      display: grid;
      grid-template-columns: 320px 1fr;
      align-items: center;
      gap: 10rem;
      min-height: auto;
      overflow: visible;
    }

    .arc-wheel-wrap {
      flex-shrink: 0;
      position: relative;
      z-index: 2;
      overflow: visible;
      justify-self: start;
    }

    .arc-connector {
      display: none;
    }

    .arc-panel-frame {
      width: 100%;
      border: none;
      background: #141414;
      height: 580px;
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, 0.06);
      opacity: 0;
      transform: translateX(24px);
      transition: opacity 0.35s ease, transform 0.35s ease;
      position: relative;
      z-index: 1;
    }

    .arc-panel-frame.visible {
      opacity: 1;
      transform: translateX(0);
    }

    /* ── Mobile tab selector (hidden on desktop) ── */
    .service-tabs {
      display: none;
    }

    /* ── Responsive: arc section ── */
    @media (max-width: 1100px) {
      .arc-services-section .arc-container {
        gap: 4rem;
      }
    }

    @media (max-width: 900px) {
      .arc-services-section {
        padding: 2rem 5vw 3rem;
      }

      .arc-services-section .arc-container {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 1.25rem;
        overflow: visible;
      }

      /* Hide the circular wheel on mobile, use tab pills instead */
      .arc-wheel-wrap {
        display: none;
      }

      .service-tabs {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
      }

      .service-tab {
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
        font-family: var(--font-mono);
        font-size: 0.7rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--dim);
        background: var(--charcoal, #1a1a1a);
        border: 1px solid var(--mid);
        padding: 0.6rem 1rem;
        border-radius: 999px;
        cursor: pointer;
        transition: color 0.2s, border-color 0.2s, background 0.2s;
      }

      .service-tab i {
        color: var(--gold);
        font-size: 0.85rem;
      }

      .service-tab.active,
      .service-tab:hover {
        color: var(--black);
        background: var(--gold);
        border-color: var(--gold);
      }

      .service-tab.active i,
      .service-tab:hover i {
        color: var(--black);
      }

      .arc-panel-frame {
        height: 820px;
      }
    }

    @media (max-width: 480px) {
      .service-tab {
        font-size: 0.62rem;
        padding: 0.5rem 0.8rem;
      }

      .arc-panel-frame {
        border-radius: 12px;
      }
    }

    body {
      margin: 0 !important;
      padding: 0 !important;
    }

    html {
      margin: 0 !important;
      padding: 0 !important;
    }