:root {
            --primary: #3a86ff;
            --secondary: #ff006e;
            --accent: #8338ec;
            --light: #f8f9fa;
            --dark: #212529;
            --success: #38b000;
            --warning: #ffbe0b;
            --danger: #fb5607;
            --gray: #6c757d;
            --light-gray: #e9ecef;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: var(--light);
            padding-top: 80px;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }

        a:hover {
            color: var(--secondary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .btn {
            display: inline-block;
            padding: 12px 24px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
            text-align: center;
        }

        .btn:hover {
            background: var(--accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            color: white;
        }

        .btn-secondary {
            background: var(--secondary);
        }

        .btn-secondary:hover {
            background: #d1005c;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
            font-family: 'Montserrat', sans-serif;
            font-weight: 800;
            color: var(--dark);
        }

        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--primary);
            margin: 15px auto;
            border-radius: 2px;
        }

        /* Header & Navigation */
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            font-family: 'Montserrat', sans-serif;
        }

        .logo i {
            margin-right: 10px;
            color: var(--secondary);
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 2rem;
        }

        .nav-links a {
            color: var(--dark);
            font-weight: 600;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--secondary);
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .search-container {
            display: flex;
            align-items: center;
            background: var(--light-gray);
            border-radius: 50px;
            padding: 0.5rem 1rem;
            margin-left: 2rem;
        }

        .search-container input {
            border: none;
            background: transparent;
            padding: 0.5rem;
            outline: none;
            width: 200px;
        }

        .search-container button {
            background: transparent;
            border: none;
            cursor: pointer;
            color: var(--gray);
        }

        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?ixlib=rb-4.0.3&auto=format&fit=crop&w=1500&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 6rem 1rem;
            border-radius: var(--radius);
            margin-bottom: 3rem;
        }

        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 1rem;
            line-height: 1.2;
            font-family: 'Montserrat', sans-serif;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }

        /* Category Section */
        .category-section {
            margin-bottom: 4rem;
        }

        .category-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .category-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
        }

        .category-title i {
            margin-right: 10px;
            color: var(--secondary);
        }

        .view-all {
            color: var(--primary);
            font-weight: 600;
        }

        .food-slider {
            display: flex;
            overflow-x: auto;
            gap: 1.5rem;
            padding: 1rem 0.5rem;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) var(--light-gray);
        }

        .food-slider::-webkit-scrollbar {
            height: 8px;
        }

        .food-slider::-webkit-scrollbar-track {
            background: var(--light-gray);
            border-radius: 10px;
        }

        .food-slider::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }

        .food-slider-item {
            flex: 0 0 auto;
            width: 280px;
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .food-slider-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .food-slider-img {
            height: 180px;
            background-color: #ddd;
            background-position: center;
            background-size: cover;
        }

        .food-slider-content {
            padding: 1.5rem;
        }

        .food-slider-title {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .food-slider-calories {
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .food-slider-description {
            margin-bottom: 1rem;
            color: var(--gray);
            font-size: 0.9rem;
        }

        .read-more {
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .read-more i {
            margin-left: 5px;
            transition: var(--transition);
        }

        .read-more:hover i {
            transform: translateX(5px);
        }

        /* Food Grid for Category Pages */
        .food-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .food-card {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .food-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .food-card-img {
            height: 200px;
            background-color: #ddd;
            background-position: center;
            background-size: cover;
        }

        .food-card-content {
            padding: 1.5rem;
        }

        .food-card-title {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .food-card-calories {
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .food-card-description {
            margin-bottom: 1rem;
            color: var(--gray);
        }

        /* Exercise Page */
        .exercise-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .exercise-card {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .exercise-video {
            position: relative;
            padding-top: 56.25%; /* 16:9 Aspect Ratio */
            background: #ddd;
        }

        .exercise-video iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

        .exercise-content {
            padding: 1.5rem;
        }

        .exercise-title {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .exercise-category {
            display: inline-block;
            background: var(--light-gray);
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.8rem;
            margin-bottom: 1rem;
            color: var(--gray);
        }

        .exercise-description {
            color: var(--gray);
            margin-bottom: 1rem;
        }

        /* Blog Page */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .blog-card {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .blog-img {
            height: 200px;
            background-color: #ddd;
            background-position: center;
            background-size: cover;
        }

        .blog-content {
            padding: 1.5rem;
        }

        .blog-author {
            color: var(--gray);
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }

        .blog-title {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .blog-excerpt {
            margin-bottom: 1rem;
            color: var(--gray);
        }

        /* Goals Page */
        .goals-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .goal-card {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            text-align: center;
            padding: 2rem;
            transition: var(--transition);
        }

        .goal-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .goal-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        .goal-title {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .goal-description {
            margin-bottom: 1.5rem;
            color: var(--gray);
        }

        .goal-foods {
            text-align: left;
        }

        .goal-foods h4 {
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .goal-foods ul {
            list-style: none;
        }

        .goal-foods li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--light-gray);
        }

        .goal-foods li:last-child {
            border-bottom: none;
        }

        /* Food Detail Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 1100;
            overflow-y: auto;
            padding: 2rem 0;
        }

        .modal-content {
            background: white;
            width: 90%;
            max-width: 800px;
            margin: 2rem auto;
            border-radius: var(--radius);
            overflow: hidden;
            animation: modalFadeIn 0.3s;
        }

        @keyframes modalFadeIn {
            from { opacity: 0; transform: translateY(-50px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .modal-header {
            padding: 1.5rem;
            background: var(--primary);
            color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .close-modal {
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }

        .modal-body {
            padding: 2rem;
        }

        .food-detail-header {
            display: flex;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .food-detail-img {
            width: 300px;
            height: 250px;
            border-radius: var(--radius);
            object-fit: cover;
        }

        .food-detail-info h2 {
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .food-detail-calories {
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

        .food-detail-macros {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .macro {
            text-align: center;
            background: var(--light-gray);
            padding: 1rem;
            border-radius: var(--radius);
            min-width: 80px;
        }

        .macro-value {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary);
        }

        .macro-name {
            font-size: 0.9rem;
            color: var(--gray);
        }

        .food-detail-description {
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        .nutrition-facts {
            margin-top: 2rem;
        }

        .nutrition-title {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--dark);
            border-bottom: 2px solid var(--light-gray);
            padding-bottom: 0.5rem;
        }

        .nutrition-item {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--light-gray);
        }

        /* Footer */
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1rem;
            margin-top: 4rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--primary);
        }

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

        .footer-links li {
            margin-bottom: 0.8rem;
        }

        .footer-links a {
            color: #ccc;
            transition: var(--transition);
        }

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

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--primary);
            transform: translateY(-5px);
        }

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

        /* Page Sections */
        .page-section {
            display: none;
            padding: 2rem 0;
        }

        .page-section.active {
            display: block;
        }

        /* Back Button */
        .back-button {
            display: inline-flex;
            align-items: center;
            margin-bottom: 2rem;
            color: var(--primary);
            font-weight: 600;
        }

        .back-button i {
            margin-right: 0.5rem;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background: white;
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 2rem;
                transition: var(--transition);
            }

            .nav-links.active {
                left: 0;
            }

            .nav-links li {
                margin: 1.5rem 0;
            }

            .search-container {
                margin-left: 0;
                width: 100%;
                max-width: 300px;
                margin: 1rem auto;
            }

            .hamburger {
                display: block;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .food-detail-header {
                flex-direction: column;
            }

            .food-detail-img {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding: 4rem 1rem;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .food-slider-item {
                width: 250px;
            }
            
            .social-links {
                justify-content: center;
            }

            .food-grid, .exercise-grid, .blog-grid, .goals-container {
                grid-template-columns: 1fr;
            }
        }