/* Header Styles */
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 10px rgba(52, 152, 219, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
            border-radius: 12px;
            margin-bottom: 0;
            margin-left: 0rem;
            margin-top: 0;
            margin-right: 0;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo-container i {
            font-size: 2rem;
            color: #3b82f6;
            animation: heartbeat 2s infinite;
        }

        @keyframes heartbeat {
            0%, 50%, 100% { transform: scale(1); }
            25%, 75% { transform: scale(1.1); }
        }

        .logo-container h1 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #004aad;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
        }

        /* Navigation Styles */
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

        .nav-link {
            text-decoration: none;
            color: #004aad;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            /*transition: var(--transition);*/
            position: relative;
            overflow: hidden;
        }

        .nav-link::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: left 0.5s;
        }

    .nav-link:hover::before {
        left: 100%;
   }

     .nav-link:hover,
     .nav-link.active {
        background: #3b82f6;
        color: #fff;
        transform: translateY(-2px);
        box-shadow: var(--shadow);
    }

/* Main Navigation Buttons */
.main-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.nav-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.nav-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
}

.nav-btn:active {
    transform: translateY(-1px);
}

.nav-btn i {
    font-size: 1.2rem;
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.mobile-nav-items {
    display: flex;
    justify-content: space-around;
    padding: 1rem 0;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-light);
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 12px;
    min-width: 60px;
}

.mobile-nav-item i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.mobile-nav-item span {
    font-size: 0.8rem;
    font-weight: 600;
}

.mobile-nav-item:hover,
.mobile-nav-item.active {
    color: var(--primary-color);
    background: var(--light-blue);
    transform: translateY(-2px);
}

/* Responsive Design for Navigation */
@media (max-width: 768px) {
    /* Header adjustments */
    header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .nav-link {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
    
    /* Main navigation adjustments */
    .main-nav {
        gap: 0.5rem;
    }
    
    .nav-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Show mobile navigation */
    .mobile-nav {
        display: block;
    }
    
    /* Add bottom padding to body to account for mobile nav */
    body {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    .nav-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* Print Styles for Navigation */
@media print {
    .mobile-nav,
    .main-nav,
    header nav {
        display: none;
    }
}