:root {
            --color-primary: #4a6fa5;
            --color-secondary: #166088;
            --color-accent: #4fc3a1;
            --color-light: #f8f9fa;
            --color-lighter: #ffffff;
            --color-dark: #343a40;
            --color-text: #495057;
            --color-border: #e9ecef;
            --color-bg-header: #166088;
            --color-bg-footer: #1a2639;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        body {
            font-family: 'Poppins', sans-serif;
            color: var(--color-text);
            line-height: 1.6;
            background-color: var(--color-light);
            padding-top: 70px;
        }

        h1, h2, h3, h4, h5 {
            font-family: 'Merriweather', serif;
            color: var(--color-dark);
            font-weight: 700;
        }

        /* Header */
        .navbar {
            background-color: var(--color-bg-header);
            box-shadow: var(--shadow-md);
            padding: 0.75rem 1rem;
        }

        .navbar-brand {
            font-weight: 600;
            font-size: 1.5rem;
        }

        .navbar-brand img {
            height: 40px;
            margin-right: 10px;
        }

        .nav-link {
            font-weight: 500;
            padding: 0.5rem 1rem;
            transition: all 0.3s ease;
        }

        .nav-link:hover {
            color: var(--color-accent) !important;
            transform: translateY(-2px);
        }

        .user-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 8px;
        }

        /* Login Button */
        #btnLogin {
            padding: 0.4rem 1rem;
            border-radius: 20px;
            border-width: 2px;
            font-weight: 500;
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            color: white;
            padding: 4rem 0;
            margin-bottom: 3rem;
            border-radius: 0 0 20px 20px;
        }

        .hero-title {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .search-container {
            max-width: 600px;
            margin: 0 auto;
        }

        /* Cards */
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            margin-bottom: 1.5rem;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .card-img-top {
            height: 200px;
            object-fit: cover;
        }

        .card-category {
            position: absolute;
            top: 15px;
            left: 15px;
            background-color: var(--color-accent);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-title {
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .card-text {
            color: var(--color-text);
            margin-bottom: 1rem;
        }

        .card-date {
            font-size: 0.85rem;
            color: #6c757d;
        }

        /* Features */
        .feature-icon {
            font-size: 2.5rem;
            color: var(--color-primary);
            margin-bottom: 1rem;
        }

        .feature-title {
            font-weight: 600;
            margin-bottom: 1rem;
        }

        /* Testimonials */
        .testimonial-card {
            background-color: var(--color-lighter);
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 1rem;
        }

        .testimonial-author {
            font-weight: 600;
        }

        /* Newsletter */
        .newsletter-section {
            background-color: var(--color-primary);
            color: white;
            padding: 3rem 0;
            border-radius: 12px;
        }

        /* Footer */
        .footer {
            background-color: var(--color-bg-footer);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-title {
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }

        .social-icons a {
            color: white;
            font-size: 1.25rem;
            margin-right: 1rem;
            transition: all 0.3s ease;
        }

        .social-icons a:hover {
            color: var(--color-accent);
            transform: translateY(-3px);
        }

        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            margin-top: 2rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }

        /* Buttons */
        .btn-primary {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            padding: 0.75rem 1.5rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background-color: var(--color-secondary);
            border-color: var(--color-secondary);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border-width: 2px;
            font-weight: 500;
        }

        /* Utility Classes */
        .section-title {
            position: relative;
            margin-bottom: 2.5rem;
            padding-bottom: 0.75rem;
        }

        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 4px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .text-accent {
            color: var(--color-accent);
        }

        .bg-light-custom {
            background-color: #f0f4f8;
        }

        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .navbar-brand {
                font-size: 1.2rem;
            }
            
            .navbar-brand img {
                height: 30px;
            }
        }