:root {
        --primary: #f5ad1d;
        --secondary: #0f172a;
        --text-muted: #64748b;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --shadow: 0 10px 30px rgba(0,0,0,0.08);
    }

    * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Plus Jakarta Sans', sans-serif; }

    /* --- TOP BAR --- */
    .top-bar { background: #c9c9c9; color: #e2e8f0; padding: 8px 6%; font-size: 13px; display: flex; justify-content: space-between; align-items: center;  }
    .top-contact { display: flex; gap: 20px; }
    .top-social { display: flex; gap: 15px; }
    .top-social a { color: #fff; text-decoration: none; font-size: 16px; transition: var(--transition); }
    .top-social a:hover { color: var(--primary); }

    /* --- HEADER --- */
    .header-main {
        background: rgb(23, 145, 143); backdrop-filter: blur(10px);
        height: 85px; display: flex; justify-content: space-between;
        align-items: center; padding: 10px; position: sticky;
        top: 0; z-index: 1000; box-shadow: 0 2px 15px rgba(0,0,0,0.05);
        border-bottom: 5px solid var(--primary);
    }
    .logo img { height: 50px; width: auto; }

    /* Desktop Navigation */
    .nav-container { display: flex; align-items: center; gap: 5px; }
    .nav-menu { display: flex; list-style: none; align-items: center; }
    
    .nav-link {
        text-decoration: none; color: #fff; font-weight: 800;
        font-size: 15px; padding: 32px 15px; text-transform: uppercase;
        display: flex; align-items: center; gap: 5px; transition: var(--transition);
        letter-spacing: 0.3px;
    }
    .nav-link:hover, .nav-link.active { color: var(--primary); }

    /* --- DROPDOWN LOGIC --- */
    .nav-item { position: relative; }
    
    .dropdown-card {
        position: absolute; top: 100%; left: 0; background: white;
        min-width: 350px; box-shadow: var(--shadow);
        border-radius: 0 0 8px 8px; padding: 10px 0; opacity: 0; visibility: hidden;
        transform: translateY(15px); transition: var(--transition); 
        border-top: 3px solid var(--primary); list-style: none;
    }

    .sub-menu-list {
        position: absolute; top: 0; left: 100%; background: white;
        min-width: 230px; box-shadow: var(--shadow);
        border-radius: 6px; padding: 10px 0; opacity: 0; visibility: hidden;
        transform: translateX(15px); transition: var(--transition); list-style: none;
    }
    

/* NESTED SUB MENU (LEVEL 2, 3...) */
.sub-menu-list {
    max-height: 360px;
    overflow-y: auto;
    overflow-x: hidden;
}


    .nav-item:hover > .dropdown-card,
    .has-submenu:hover > .sub-menu-list {
        opacity: 1; visibility: visible; transform: translate(0);
    }

    .dropdown-card li, .sub-menu-list li { position: relative; list-style: none; }
    
    .dropdown-card a, .sub-menu-list a {
        display: flex; justify-content: space-between; align-items: center;
        padding: 12px 20px; color: var(--secondary); text-decoration: none;
        font-size: 14px; font-weight: 600; transition: 0.2s;
    }
    
    .dropdown-card a:hover, .sub-menu-list a:hover {
        background: #f8fafc; color: var(--primary); padding-left: 25px;
    }

    /* Search Box */
    .search-box { background: #f1f5f9; padding: 8px 15px; border-radius: 50px; display: flex; align-items: center; margin-left: 10px; border: 1px solid #e2e8f0; }
    .search-box input { border: none; background: transparent; outline: none; width: 100px; font-size: 13px; transition: width 0.3s; }
    .search-box input:focus { width: 150px; }

    /* Header Actions */
    .header-actions { display: flex; align-items: center; gap: 10px; }
    .btn-action { padding: 10px 20px; border-radius: 8px; font-weight: 700; font-size: 13px; transition: var(--transition); text-decoration: none; display: flex; align-items: center; gap: 6px; border: none; cursor: pointer; }
    .btn-login { background: var(--secondary); color: white; }
    .btn-login:hover { background: #1e293b; transform: translateY(-2px); }
    
    .hamburger { display: none; font-size: 28px; cursor: pointer; color: var(--secondary); margin-left: 10px; }

    /* --- MOBILE DRAWER --- */
    .mobile-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 2000; display: none; backdrop-filter: blur(3px); }
    .mobile-drawer { position: fixed; top: 0; right: -320px; width: 310px; height: 100vh; background: white; z-index: 2001; transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1); padding: 25px; box-shadow: -5px 0 25px rgba(0,0,0,0.1); overflow-y: auto; }
    .mobile-drawer.active { right: 0; }
    .m-nav-link { display: flex; justify-content: space-between; align-items: center; padding: 15px 5px; color: var(--secondary); font-weight: 700; text-decoration: none; border-bottom: 1px solid #f1f5f9; font-size: 14px; }
    .m-dropdown { padding-left: 15px; background: #f8fafc; border-radius: 8px; margin-top: 5px; }

    /* Modal Styling */
    .login-modal { position: fixed; inset: 0; background: rgba(15, 23, 42, 0.8); backdrop-filter: blur(8px); display: none; justify-content: center; align-items: center; z-index: 3000; padding: 20px; }
    .modal-card { background: white; width: 100%; max-width: 400px; border-radius: 20px; padding: 35px; position: relative; animation: slideUp 0.4s ease; }
    @keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
    .portal-link { display: flex; align-items: center; gap: 15px; padding: 15px; border: 1px solid #e2e8f0; border-radius: 12px; margin-bottom: 12px; text-decoration: none; color: var(--secondary); font-weight: 700; transition: 0.3s; }
    .portal-link:hover { border-color: var(--primary); background: #fffaf0; transform: scale(1.02); }

    @media (max-width: 1200px) {
        .nav-menu, .search-box, .top-bar { display: none; }
        .hamburger { display: block; }
        .header-main { height: 70px; padding: 0 4%; }
        .logo img { height: 30px; }
    }