/* Original floating WhatsApp design, preserved verbatim. */
    .whatsapp-float {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      width: 60px;
      height: 60px;
      background: #25D366;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
      z-index: 1000;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .whatsapp-float:hover {
      transform: scale(1.1);
      box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
    }

    .whatsapp-float svg {
      width: 32px;
      height: 32px;
      fill: #ffffff;
    }


@media (max-width: 768px) {
      .whatsapp-float {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 56px;
        height: 56px;
      }

      .whatsapp-float svg {
        width: 28px;
        height: 28px;
      }
}
@media (max-width: 380px) {
      .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        width: 52px;
        height: 52px;
      }

      .whatsapp-float svg {
        width: 26px;
        height: 26px;
      }
}