.menu {
      position: sticky;
      width: 30px;
      height: 30px;
      top: 90%;
      left: 97%;
      z-index: 1;
    }

    /* ปุ่มหลัก */
    .menu .btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #a46c35;
      color: white;
      border: none;
      font-size: 30px;
      cursor: pointer;
      position: absolute;
      bottom: 0;
      right: 0;
      display: flex;
      justify-content: center;
      align-items: center;
      box-shadow: 0 6px 15px rgba(0,0,0,0.3);
      transition: all 0.3s ease;
    }

    .menu .btn:hover {
      background: #000000;
      transform: scale(1.1) rotate(90deg);
      box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    }
     .menu .social:hover {
      background: #000000;
      transform: scale(1.5) rotate(90deg);
      box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    }

    /* ปุ่มโซเชียล */
    .menu .social {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      background: #7b5cff;
      color: white;
      display: flex;
      justify-content: center;
      align-items: center;
      position: absolute;
      bottom: 10px;
      right: 10px;
      opacity: 0;
      pointer-events: none;
      transform: scale(0.5);
      transition: all 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
      font-size: 24px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    }

    .menu .social:nth-child(1) { background: #1da1f2; } /* Facebook */
    .menu .social:nth-child(2) { background: #ffffff; } /* Twitter */
    .menu .social:nth-child(3) { background: #7e9bfb; } /* Instagram */

    /* เปิดเมนู */
    .menu.active .social {
      opacity: 1;
      pointer-events: auto;
      transform: scale(1);
    }

    .menu.active .social:nth-child(1) {
      transform: translate(-90px, 0) scale(1);
    }
    .menu.active .social:nth-child(2) {
      transform: translate(-65px, -75px) scale(1);
    }
    .menu.active .social:nth-child(3) {
      transform: translate(0, -100px) scale(1);
    }