:root {
            --brand-orange: #ff5a00;
            --brand-navy: #011e35;
            --brand-blue-light: #005a9c;
            --bg-grey: #f2f2f2;
            --white: #ffffff;
        }

        body { font-family: 'Segoe UI', Tahoma, sans-serif; margin: 0; background: var(--bg-grey); color: #333; }

        /* --- Top Bar (Hidden on small mobile for space) --- */
        .top-bar {
            background: #001220;
            padding: 8px 5%;
            display: flex;
            justify-content: flex-end;
        }
        .search-box input {
            padding: 6px 12px;
            border: none;
            border-radius: 20px;
            width: 180px;
        }

        /* --- Header & Logo --- */
        header {
            background: var(--brand-navy);
            color: white;
            padding: 0 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 90px;
        }

        .logo { height: 170px; display: flex; align-items: center; }
        .logo img { height: 100%; width: auto; }

        /* --- Navigation --- */
        .nav-links { display: flex; list-style: none; margin: 0; padding: 0; height: 100%; }
        
        .nav-item { 
            position: relative; 
            padding: 0 20px; 
            display: flex; 
            align-items: center; 
            cursor: pointer; 
            font-weight: 600;
            transition: background 0.3s;
        }
        
        .nav-item:hover { background: var(--brand-blue-light); }

        /* --- Mega Menu (Refined for Mobile) --- */
        .mega-menu {
            position: absolute;
            top: 90px;
            left: 0;
            width: 500px;
            background: white;
            color: #333;
            display: none;
            grid-template-columns: 1fr 1fr;
            padding: 25px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
            border-top: 4px solid var(--brand-orange);
        }

        .nav-item:hover .mega-menu { display: grid; }

        .mega-menu strong { color: var(--brand-navy); border-bottom: 2px solid var(--brand-orange); display: block; margin-bottom: 10px; }
        .mega-menu a { display: block; padding: 5px 0; text-decoration: none; color: #444; font-size: 0.9rem; }

        /* --- Main Content Layout --- */
        .main-container {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr; /* Exactly like the Professional Grade */
            gap: 50px;
            padding: 60px 8%;
            background: white;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }

        .content h1 { font-size: 3rem; color: var(--brand-navy); margin-top: 0; }
        .content p { font-size: 1.2rem; line-height: 1.6; color: #555; }

        /* --- Join Card --- */
        .join-card {
            background: var(--brand-navy);
            color: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
	    height: 700px
        }

        .join-form label { display: block; margin-bottom: 5px; font-weight: bold; }
        .join-form input, .join-form select {
            width: 100%;
            padding: 14px;
            margin-bottom: 20px;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-sizing: border-box;
        }

        .btn-join {
            background: var(--brand-orange);
            color: white;
            border: none;
            padding: 18px;
            font-weight: bold;
            cursor: pointer;
            width: 100%;
            font-size: 1.2rem;
            text-transform: uppercase;
        }

        /* --- RESPONSIVE ADJUSTMENTS --- */
        @media (max-width: 1100px) {
            .main-container {
                grid-template-columns: 1fr; /* Stacks columns on tablet/mobile */
                padding: 40px 5%;
                gap: 30px;
            }
            .content h1 { font-size: 2.2rem; }
            .mega-menu { width: 90vw; left: -50px; } /* Adjust menu width on tablet */
        }

        @media (max-width: 768px) {
            header { height: 70px; }
            .logo { height: 55px; }
            .nav-item { padding: 0 10px; font-size: 0.8rem; }
            .top-bar { display: none; } /* Save space on mobile */
        }