 * Layout CSS: Header,
 Footer,
 Nav,
 WhatsApp */

 /* Security Hardening: Anti-Selection */
 * {
     -webkit-user-select: none;
     -moz-user-select: none;
     -ms-user-select: none;
     user-select: none;
 }

 input,
 textarea {
     user-select: text !important;
 }

 /* Header */
 .site-header {
     background-color: var(--white);
     box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
     position: sticky;
     top: 0;
     z-index: 1000;
     height: 80px;
     display: flex;
     align-items: center;
 }

 .header-container {
     display: flex;
     justify-content: space-between;
     align-items: center;
     width: 100%;
 }

 .logo img {
     max-height: 60px;
     width: auto;
 }

 /* Navigation */
 .main-nav ul {
     display: flex;
     gap: 2rem;
 }

 .main-nav a {
     font-weight: 600;
     font-size: 1rem;
     text-transform: uppercase;
     color: var(--black);
 }

 .main-nav a:hover,
 .main-nav a.active {
     color: var(--primary-red);
 }

 .mobile-menu-btn {
     display: none;
     font-size: 1.5rem;
     background: none;
     border: none;
     cursor: pointer;
     color: var(--black);
 }

 /* Footer */
 .site-footer {
     background-color: var(--black);
     color: #ccc;
     padding: 4rem 1rem 1rem;
     font-size: 0.9rem;
 }

 .footer-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
     gap: 3rem;
     margin-bottom: 3rem;
 }

 .footer-col h3 {
     color: var(--white);
     font-size: 1.2rem;
     margin-bottom: 1.5rem;
 }

 .footer-links li {
     margin-bottom: 0.5rem;
 }

 .footer-links a:hover {
     color: var(--primary-red);
     padding-left: 5px;
 }

 .footer-contact li {
     margin-bottom: 1rem;
     display: flex;
     align-items: flex-start;
     gap: 10px;
 }

 /* Map Placeholder */
 .map-container {
     width: 100%;
     height: 200px;
     background-color: #444;
     display: flex;
     align-items: center;
     justify-content: center;
     color: #888;
     border-radius: 4px;
 }

 .map-container iframe {
     width: 100%;
     height: 100%;
     border: 0;
 }


 .copyright {
     text-align: center;
     border-top: 1px solid #444;
     padding-top: 2rem;
     font-size: 0.8rem;
 }

 /* Floating WhatsApp */
 .whatsapp-float {
     position: fixed;
     width: 60px;
     height: 60px;
     bottom: 40px;
     right: 40px;
     background-color: #25d366;
     color: #FFF;
     border-radius: 50px;
     text-align: center;
     font-size: 30px;
     box-shadow: 2px 2px 3px #999;
     z-index: 1001;
     display: flex;
     align-items: center;
     justify-content: center;
     transition: all 0.3s;
 }

 .whatsapp-float:hover {
     background-color: #128C7E;
     transform: scale(1.1);
 }

 /* Responsive */
 @media (max-width: 768px) {
     .mobile-menu-btn {
         display: block;
     }

     .main-nav {
         position: absolute;
         top: 80px;
         left: 0;
         width: 100%;
         background-color: var(--white);
         border-top: 1px solid #eee;
         padding: 1rem 0;
         display: none;
         /* JS will toggle this */
         box-shadow: 0 4px 5px rgba(0, 0, 0, 0.1);
     }

     .main-nav.open {
         display: block;
     }

     .main-nav ul {
         flex-direction: column;
         gap: 0;
     }

     .main-nav li {
         width: 100%;
     }

     .main-nav a {
         display: block;
         padding: 1rem 2rem;
         border-bottom: 1px solid #f9f9f9;
     }

     .whatsapp-float {
         bottom: 20px;
         right: 20px;
         width: 50px;
         height: 50px;
         font-size: 25px;
     }
 }