:root {
            --primary: #3498db;
            --secondary: #2c3e50;
            --accent: #e74c3c;
            --light: #ecf0f1;
        }
        
        
        /* Enhanced Navbar Styles */

        .nav-border{
            width: 100%;
            height: 6.5vh;
            background: linear-gradient(135deg, var(--secondary) 0%, #1a2530 100%);
            color: #ecf0f1;
            display: flex;
            flex-direction: row;
            justify-content: space-between;
            align-items: center;
            border-bottom: 2px solid #ecf0f1;
            font-size: 1.2rem;
            font-weight: 500;
        }

        #nav-logo {
            border-radius: 50%;
        }
        .email{
            margin-left: 5%;
        }
        .number{
            margin-right: 5%;
        }

        @media (max-width: 576px) {
            .email{
                display: none;
            }
            .number{
                display: block;
                margin: auto;
            }
            #nav-logo{
                transform: scale(1.5);
                margin-left: 1.5rem;
            }
        }


        .navbar {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a2530 100%);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 12px 0;
            transition: all 0.3s ease;
        }
        
        .navbar-scrolled {
            padding: 8px 0;
            background: rgba(44, 62, 80, 0.98);
            backdrop-filter: blur(10px);
        }
        
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            background: linear-gradient(45deg, var(--primary), #2ecc71);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        
        .navbar-brand i {
            font-size: 2rem;
            margin-right: 10px;
            color: var(--primary);
            background: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 15px rgba(52, 152, 219, 0.5);
            transition: all 0.3s ease;
        }
        
        .navbar-brand:hover {
            transform: scale(1.05);
        }
        
        .navbar-brand:hover i {
            transform: rotate(15deg);
            box-shadow: 0 0 20px rgba(52, 152, 219, 0.8);
        }
        
        .navbar-nav .nav-item {
            margin: 0 5px;
            position: relative;
        }
        
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85) !important;
            font-weight: 500;
            padding: 10px 15px !important;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .navbar-nav .nav-link:before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: linear-gradient(45deg, var(--primary), var(--accent));
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        
        .navbar-nav .nav-link:hover {
            color: white !important;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        
        .navbar-nav .nav-link:hover:before {
            width: 70%;
        }
        
        .navbar-nav .nav-link.active {
            color: white !important;
            background: linear-gradient(45deg, var(--primary), var(--accent));
            box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
        }
        
        .navbar-nav .nav-link.active:before {
            width: 100%;
        }
        
        .navbar-toggler {
            border: none;
            padding: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
        }
        
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.5);
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        .nav-btn {
            background: linear-gradient(45deg, var(--accent), #ff6b6b);
            color: white !important;
            border: none;
            border-radius: 50px;
            padding: 10px 25px !important;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
        }
        
        .nav-btn i {
            margin-right: 8px;
            transition: transform 0.3s ease;
        }
        
        .nav-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(231, 76, 60, 0.6);
        }
        
        .nav-btn:hover i {
            transform: rotate(90deg);
        }
        
        /* Demo content */
        .demo-content {
            max-width: 1200px;
            margin: 40px auto;
            padding: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .demo-content h1 {
            color: var(--secondary);
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .demo-content p {
            color: #555;
            line-height: 1.6;
            font-size: 1.1rem;
        }
        
        /* Responsive adjustments */
        @media (max-width: 991.98px) {
            .navbar-nav {
                background: rgba(44, 62, 80, 0.95);
                border-radius: 10px;
                padding: 15px;
                margin-top: 15px;
                backdrop-filter: blur(10px);
            }
            
            .navbar-nav .nav-item {
                margin: 5px 0;
            }
            
            .nav-btn {
                margin-top: 15px;
                justify-content: center;
            }
        }