        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: Verdana, Geneva, sans-serif;
            line-height: 1.5;
            color: #333;
        }
        
        /* Old Navigation CSS - Commented Out (replaced by new header) */
        /* nav {
            background-color: #001F3F;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 30px;
        }
        
        .logo img {
            height: 50px;
            width: auto;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
            align-items: center;
        }
        
        .nav-links a {
            color: white;
            text-decoration: none;
            font-size: 15px;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: #D4AF37;
        }
        
        .cta-button {
            background-color: #D4AF37;
            color: #001F3F;
            padding: 10px 20px;
            border-radius: 5px;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        
        .cta-button:hover {
            background-color: #FFD700;
        } */
        
        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0, 31, 63, 0.5), rgba(0, 31, 63, 0.5)), 
                        url('../images/services/services-hero-retrofit-professionals.webp');
            background-size: cover;
            background-position: center 20%;
            background-repeat: no-repeat;
            color: white;
            padding: 120px 30px;
            text-align: left;
            display: flex;
            align-items: center;
            min-height: 600px;
        }
        
        .hero h1 {
            font-size: 42px;
            margin-bottom: 20px;
            font-weight: bold;
            position: relative;
        }
        
        .hero h1::after {
            content: '';
            display: block;
            width: 80px;
            height: 3px;
            background-color: #F28B82;
            margin: 15px 0;
        }
        
        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        
        .hero p {
            font-size: 21px;
            margin-bottom: 30px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        
        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn {
            padding: 15px 30px;
            font-size: 17px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
            display: inline-block;
        }
        
        .btn-primary {
            background-color: #D4AF37;
            color: #001F3F;
        }
        
        .btn-primary:hover {
            background-color: #FFD700;
            transform: translateY(-2px);
        }
        
        .btn-secondary {
            background-color: transparent;
            color: white;
            border: 2px solid white;
        }
        
        .btn-secondary:hover {
            background-color: white;
            color: #001F3F;
        }
        
        /* Content Sections */
        .section {
            padding: 45px 25px;
            max-width: 1300px;
            margin: 0 auto;
        }
        
        .section-grey {
            background-color: #F5F6F7;
            padding: 45px 30px !important;
            max-width: none !important;
            margin: 0 !important;
            width: 100%;
        }
        

        
        .section-divider {
            height: 3px;
            background: linear-gradient(to right, #D4AF37, #FFD700, #D4AF37);
            margin: 0;
        }
        
        /* 65/35 Grid Layout */
        /* SEO-Optimized Layout: 45% image, 55% text on desktop */
        .grid-65-35 {
            display: grid;
            grid-template-columns: 0.45fr 0.55fr;
            gap: 30px;
            align-items: center;
            padding: 30px 0;
        }
        
        .grid-35-65 {
            display: grid;
            grid-template-columns: 0.55fr 0.45fr;
            gap: 30px;
            align-items: center;
            padding: 30px 0;
        }
        
        .image-content,
        .text-content {
            min-width: 0;
            width: 100%;
        }
        
        .section h2 {
            font-size: 27px;
            color: #001F3F;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        
        .section p {
            font-size: 20px;
            margin-bottom: 15px;
            line-height: 1.5;
        }
        
        .section ul {
            margin-left: 20px;
            margin-bottom: 15px;
        }
        
        .section li {
            font-size: 20px;
            margin-bottom: 10px;
            line-height: 1.5;
        }
        
        .section li::marker {
            color: #008B8B;
        }
        
        .section img {
            width: 100%;
            height: auto;
            border-radius: 6px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        
        .section img:hover {
            transform: scale(1.02);
        }
        
        .section h3 {
            font-size: 22px;
            color: #001F3F;
            margin-top: 20px;
            margin-bottom: 15px;
        }
        
        /* CTA Section */
        .cta-section {
            background-color: #008B8B;
            color: white;
            padding: 60px 30px;
            text-align: center;
        }
        
        .cta-section h2 {
            color: white;
            font-size: 32px;
            margin-bottom: 20px;
        }
        
        .cta-section p {
            font-size: 20px;
            margin-bottom: 30px;
            max-width: 100%;
            margin-left: auto;
            margin-right: auto;
            text-align: center;
            display: block;
            width: 100%;
        }
        
        /* Internal Links */
        .internal-links {
            background-color: #f5f5f5;
            padding: 40px 30px;
            text-align: center;
        }
        
        .internal-links h3 {
            font-size: 24px;
            color: #001F3F;
            margin-bottom: 20px;
        }
        
        .links-grid {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .links-grid a {
            color: #008B8B;
            text-decoration: none;
            font-size: 18px;
            padding: 10px 20px;
            border: 2px solid #008B8B;
            border-radius: 5px;
            transition: all 0.3s;
        }
        
        .links-grid a:hover {
            background-color: #008B8B;
            color: white;
        }
        
        /* Footer */
        footer {
            background-color: #001F3F;
            color: white;
            padding: 40px 30px 20px;
            border-top: 4px solid #FA8072;
        }
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        
        .footer-section h4 {
            color: #D4AF37;
            margin-bottom: 15px;
            font-size: 18px;
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section li {
            margin-bottom: 10px;
        }
        
        .footer-section a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-section a:hover {
            color: #D4AF37;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 14px;
        }
        
        /* Tablet Responsive: 50/50 split */
        @media (max-width: 1024px) and (min-width: 769px) {
            .grid-65-35,
            .grid-35-65 {
                grid-template-columns: 1fr 1fr;
                gap: 25px;
                padding: 25px 0;
            }
        }
        
        /* Mobile Responsive: Stacked layout */
        @media (max-width: 768px) {
            .hero {
                background-position: center 15%;
                min-height: 500px;
                text-align: center;
                padding: 80px 20px;
            }
            
            .hero h1::after {
                margin: 15px auto;
            }
            
            .grid-65-35,
            .grid-35-65 {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 20px 0;
            }
            
            /* Stack image on top, text below for all layouts */
            .grid-65-35 .image-content,
            .grid-35-65 .image-content {
                order: 1;
            }
            
            .grid-65-35 .text-content,
            .grid-35-65 .text-content {
                order: 2;
            }
            
            .hero h1 {
                font-size: 32px;
            }
            
            .hero p {
                font-size: 18px;
            }
            
            .section {
                padding: 35px 20px;
            }
            
            .section h2 {
                font-size: 24px;
            }
            
            .section p,
            .section li {
                font-size: 18px;
            }
            
            .nav-links {
                flex-direction: column;
                gap: 10px;
            }
        }
/* Header Styles */
        .site-header {
            background: #001F3F;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            min-height: 80px;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }

        .site-logo {
            max-width: 110px;
            flex-shrink: 0;
        }

        .site-logo a {
            display: block;
        }

        .site-logo img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .main-navigation {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .main-navigation > a,
        .main-navigation .dropdown {
            position: relative;
        }

        .main-navigation > a,
        .main-navigation .dropdown > a {
            color: #fff;
            text-decoration: none;
            padding: 8px 12px;
            font-size: 13px;
            font-weight: 600;
            display: block;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

        .main-navigation > a:hover,
        .main-navigation .dropdown > a:hover {
            color: #EFC203;
        }

        /* Dropdown Styles */
        .dropdown {
            position: relative;
        }

        .dropdown > a::after {
            content: " ▼";
            font-size: 10px;
            margin-left: 5px;
        }

        .dropdown-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background: #002a4d;
            min-width: 220px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            border-top: 2px solid #EFC203;
            z-index: 1000;
        }

        .dropdown-menu a {
            color: #fff;
            text-decoration: none;
            padding: 12px 20px;
            font-size: 14px;
            font-weight: 500;
            display: block;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: background 0.3s ease, padding-left 0.3s ease;
        }

        .dropdown-menu a:last-child {
            border-bottom: none;
        }

        .dropdown-menu a:hover {
            background: #003a5d;
            padding-left: 25px;
            color: #EFC203;
        }

        .dropdown:hover .dropdown-menu {
            display: block;
        }

        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 5px 10px;
        }

        /* Mobile Responsive */
        @media (max-width: 968px) {
            .mobile-menu-toggle {
                display: block;
            }

            .main-navigation {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #001F3F;
                flex-direction: column;
                gap: 0;
                padding: 10px 0;
                box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            }

            .main-navigation.active {
                display: flex;
            }

            .main-navigation > a,
            .main-navigation .dropdown > a {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                width: 100%;
            }

            .dropdown-menu {
                position: static;
                display: none;
                box-shadow: none;
                border-top: none;
                background: #002a4d;
            }

            .dropdown.active .dropdown-menu {
                display: block;
            }

            .site-logo {
                max-width: 100px;
            }
        }

        @media (max-width: 480px) {
            .site-logo {
                max-width: 90px;
            }

            .site-header {
                padding: 10px 0;
                min-height: 70px;
            }
        }