.chat-fab {
        position: fixed;
        bottom: 28px;
        right: 28px;
        z-index: 300;
        display: flex;
        align-items: center;
        gap: 10px;
        background: var(--ember);
        color: var(--cream2);
        border: none;
        cursor: pointer;
        padding: 14px 22px 14px 18px;
        border-radius: 0;
        box-shadow:
          0 8px 32px rgba(191, 59, 26, 0.45),
          0 2px 8px rgba(12, 11, 9, 0.4);
        font-family: "Barlow Condensed", sans-serif;
        font-weight: 700;
        font-size: 13px;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        transition:
          background 0.2s,
          transform 0.2s,
          box-shadow 0.2s;
        outline: none;
      }
      body.mobile-menu-open .chat-fab {
        display: none;
      }
      .chat-fab::before {
        content: "";
        position: absolute;
        top: -1px;
        left: -1px;
        width: 14px;
        height: 14px;
        background:
          linear-gradient(var(--gold), var(--gold)) left top / 14px 2px no-repeat,
          linear-gradient(var(--gold), var(--gold)) left top / 2px 14px no-repeat;
        pointer-events: none;
      }
      .chat-fab:hover {
        background: var(--ember2);
        transform: translateY(-3px);
        box-shadow: 0 14px 40px rgba(191, 59, 26, 0.55);
      }
      .chat-fab-pulse {
        position: absolute;
        top: -4px;
        right: -4px;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--gold);
        animation: blink 2s ease-in-out infinite;
      }
      .chat-fab-icon {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
      }
      @media (max-width: 600px) {
        .chat-fab {
          right: 12px;
          bottom: 14px;
          width: 48px;
          height: 48px;
          justify-content: center;
          gap: 0;
          padding: 0;
        }
        .chat-fab span {
          position: absolute;
          width: 1px;
          height: 1px;
          overflow: hidden;
          clip: rect(0 0 0 0);
          white-space: nowrap;
        }
        .chat-fab-icon {
          width: 20px;
          height: 20px;
        }
      }