body { line-height: 1.6; }

    header { background: #333; color: #fff; padding: 1rem; text-align: center; }

    /* NAVBAR */
    nav {
      position: sticky;
      top: 0;
      background: #555;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.75rem 1rem;
      z-index: 1000;
    }

    .nav-left, .nav-right {
      display: flex;
      flex:1;
      align-items: center;
      gap: 1rem;
    }

    .nav-left { justify-content: flex-start; }
    .nav-right { justify-content: flex-end; }

    .company-name {
      font-weight: bold;
      font-size: 1.1rem;
    }

    .contact-btn {
      background: #D0AF4F;
      color: black;
      border: none;
      padding: 0.5rem 0.9rem;
      border-radius: 6px;
      cursor: pointer;
    }

    .contact-btn:hover {
      background: #ddd;
    }

    .logo { font-size: 1.2rem; font-weight: bold; }

     .nav_mobile_hidden {
        visibility: visible;
     }

    .nav-links {
      display: flex;
      flex-direction: column;
      position: absolute;
      right: 1rem;
      top: 60px;
      background: #555;
      border-radius: 8px;
      overflow: hidden;

      /* ANIMATION SETUP */
      max-height: 0;
      opacity: 0;
      transform: translateY(-10px);
      transition: max-height 0.4s ease, opacity 0.3s ease, transform 0.3s ease;
    }

    .nav-links a {
      color: white;
      text-decoration: none;
      padding: 0.75rem 1rem;
      white-space: nowrap;
    }

    .nav-links a:hover {
      background: #777;
    }

    /* ACTIVE DROPDOWN */
    .nav-links.active {
      max-height: 300px; /* enough to show all links */
      opacity: 1;
      transform: translateY(0);
    }

    /* HAMBURGER */
    .hamburger {
      position: absolute; 
      left: 50%;          
      transform: translateX(-50%); 

      display: flex;
      flex-direction: column;
      cursor: pointer;
      gap: 4px;
    }

    .hamburger span {
      width: 25px;
      height: 3px;
      background: white;
      display: block;
    }

    /* MOBILE */
    @media (max-width: 768px) {
      .nav-links {
        left: 0;
        right: 0;
        top: 100%;
        border-radius: 0;
      }

      .company-name,
      .contact-btn.hidephone {
        visibility: hidden; /* hide on mobile */
      }

      .contact-btn.showphone {
        visibility: visible !important;
      }
    }

    @media (min-width: 769px) {
        .company-name {
        visibility: visible;
        }
        .contact-btn.hidephone {
        visibility: visible;
        }
        .contact-btn.showphone {
        visibility: hidden;
        }
    }