/* Engineer popup */
#engineer-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #f1fbff;
    color: #012e40;
    padding: 20px 30px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0,0,0,0.15);
    text-align: center;
    z-index: 9999;
    width: 90%;
    max-width: 360px;
    display: none;
    font-family: 'Tajawal', sans-serif;
    animation: fadeIn 0.6s ease;
  }
  #engineer-popup.show {
    display: block;
  }
  @keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -60%); }
    to   { opacity: 1; transform: translate(-50%, -50%); }
  }
  
  /* Fixed contact buttons (WA + phone) */
  .fixed-contact-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 9998;
  }
  .contact-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: #fff;
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 0 10px rgba(0,0,0,0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    animation: pulse-glow 3s infinite ease-in-out;
  }
  @keyframes pulse-glow {
    0%,100% { box-shadow: 0 0 10px rgba(0,0,0,0.2); transform: translateY(0); }
    50%     { box-shadow: 0 0 25px rgba(255,255,255,0.4), 0 0 30px rgba(0,123,255,0.4); transform: translateY(-3px); }
  }
  .contact-btn:hover {
    transform: scale(1.1) rotate(-3deg);
    box-shadow: 0 0 25px rgba(255,255,255,0.6), 0 0 40px rgba(0,0,0,0.4);
  }
  .whatsapp-btn { background-color: #25D366; }
  .phone-btn    { background-color: #ff6b00; }
  
  @media (max-width:576px) {
    .fixed-contact-buttons { bottom:20px; right:20px; }
    .contact-btn { width:50px; height:50px; font-size:22px; }
  }
  
  /* SVG fan */
  .svg-fan-container {
    position: fixed;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    z-index: 9997;
  }
  .svg-fan .blades {
    transform-origin: center;
    animation: spin 2s linear infinite;
  }
  @keyframes spin {
    to { transform: rotate(360deg); }
  }
  
  /* Floating offer */
  .floating-offer {
    position: fixed;
    bottom: 140px;
    left: 20px;
    background: #FF914D;
    color: #fff;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-weight: bold;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    z-index: 9996;
  }
  .floating-offer.show {
    opacity: 1;
    transform: translateY(0);
  }
  /* engineer popup */
#engineer-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #f1fbff;
    color: #012e40;
    padding: 20px 30px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0,0,0,0.15);
    text-align: center;
    z-index: 9999;
    width: 90%;
    max-width: 360px;
    display: none;
    animation: fadeIn 0.6s ease;
    font-family: 'Tajawal', sans-serif;
  }
  @keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -60%); }
    to   { opacity: 1; transform: translate(-50%, -50%); }
  }
  
  /* fixed contact buttons */
  .fixed-contact-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .contact-btn {
    width: 60px; height: 60px;
    border-radius: 50%;
    color: #fff;
    font-size: 26px;
    display: flex; align-items: center; justify-content: center;
    text-decoration: none;
    box-shadow: 0 0 10px rgba(0,0,0,0.25);
    transition: transform .3s, box-shadow .3s;
    animation: pulse-glow 3s infinite ease-in-out;
  }
  @keyframes pulse-glow {
    0%,100% { box-shadow:0 0 10px rgba(0,0,0,0.2); transform:translateY(0); }
    50%     { box-shadow:0 0 25px rgba(255,255,255,0.4),0 0 30px rgba(0,123,255,0.4); transform:translateY(-3px);}
  }
  .contact-btn:hover { transform: scale(1.1) rotate(-3deg); box-shadow:0 0 25px rgba(255,255,255,0.6),0 0 40px rgba(0,0,0,0.4);}
  .whatsapp-btn { background-color: #25D366; }
  .phone-btn    { background-color: #ff6b00; }
  @media (max-width:576px){
    .fixed-contact-buttons { bottom:20px; right:20px;}
    .contact-btn { width:50px;height:50px;font-size:22px;}
  }
  
  /* floating offer */
  .floating-offer {
    position: fixed;
    bottom: 140px;
    left: 20px;
    background: #FF914D;
    color: #fff;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-weight: bold;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateY(20px);
    transition: all .5s ease;
    z-index: 9999;
  }
  .floating-offer.show {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* svg fan */
  .svg-fan-container {
    position: fixed;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    z-index: 9999;
  }
  .svg-fan .blades {
    transform-origin: center;
    animation: spin 2s linear infinite;
  }
  @keyframes spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }