/* --- CSS Styles --- */
        :root {
            --primary-color: #4CAF50;
            --secondary-color: #2E7D32;
            --accent-color: #FFC107;
            --light-color: #F4F4F4;
            --dark-color: #333;
            --text-color: #555;
            --white-color: #fff;
            --shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--white-color);
        }

        .container {
            max-width: 1100px;
            margin: auto;
            overflow: hidden;
            padding: 0 2rem;
        }

        h1, h2, h3 {
            color: var(--dark-color);
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h1 { font-size: 3rem; }
        h2 { font-size: 2.5rem; text-align: center; margin-bottom: 3rem; }
        h3 { font-size: 1.5rem; }

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

        ul {
            list-style: none;
        }

        img {
            width: 100%;
        }

        .section-padding {
            padding: 4rem 0;
        }

        /* Header */
        .main-header {
            background: var(--white-color);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
        }

        .main-header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        .logo i {
            color: var(--accent-color);
        }

        .main-nav ul {
            display: flex;
        }

        .main-nav ul li {
            margin-left: 1.5rem;
        }

        .main-nav a {
            color: var(--dark-color);
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .main-nav a:hover {
            color: var(--primary-color);
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1490645935967-10de6ba17061?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1770&q=80') no-repeat center center/cover;
            height: 90vh;
            color: var(--white-color);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 0 2rem;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 600px;
            margin-bottom: 2rem;
        }

        .btn {
            display: inline-block;
            background: var(--primary-color);
            color: var(--white-color);
            padding: 0.8rem 2rem;
            border-radius: 5px;
            font-weight: 600;
            transition: background 0.3s ease;
        }

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

        /* About Section */
        .about .container {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 2rem;
            align-items: center;
        }
        .about-text {
            font-size: 1.1rem;
        }
        .about-image img {
            border-radius: 10px;
            box-shadow: var(--shadow);
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .service-card {
            background: var(--light-color);
            padding: 2rem;
            text-align: center;
            border-radius: 10px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow);
        }
        .service-card i {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        /* Why Choose Us */
        .why-choose .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .why-choose-image img {
            border-radius: 10px;
        }
        .why-choose-text ul {
            list-style: none;
        }
        .why-choose-text li {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
        }
        .why-choose-text li i {
            color: var(--accent-color);
            margin-right: 1rem;
            font-size: 1.5rem;
        }

        /* Health Care Plan (Pricing) */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .pricing-card {
            background: var(--white-color);
            border: 1px solid #ddd;
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .pricing-card:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow);
        }
        .pricing-card.featured {
            border-color: var(--primary-color);
            transform: scale(1.05);
        }
        .pricing-card h3 {
            color: var(--primary-color);
        }
        .pricing-card .price {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--dark-color);
            margin: 1rem 0;
        }
        .pricing-card ul {
            margin: 2rem 0;
        }
        .pricing-card ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #eee;
        }
        .pricing-card .btn {
            width: 100%;
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
        .testimonial-card {
            background: var(--light-color);
            padding: 2rem;
            border-left: 5px solid var(--primary-color);
            border-radius: 5px;
        }
        .testimonial-card p {
            font-style: italic;
            margin-bottom: 1rem;
        }
        .testimonial-card h4 {
            color: var(--dark-color);
        }

        /* Contact & Form */
        .contact .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }
        .contact-info h3, .appointment-form h3 {
            margin-bottom: 1.5rem;
        }
        .contact-info p {
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
        }
        .contact-info p i {
            color: var(--primary-color);
            margin-right: 1rem;
            font-size: 1.2rem;
            width: 20px;
        }
        .appointment-form .form-group {
            margin-bottom: 1rem;
        }
        .appointment-form label {
            display: block;
            margin-bottom: 0.5rem;
        }
        .appointment-form input,
        .appointment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: 'Poppins', sans-serif;
        }
        .appointment-form textarea {
            resize: vertical;
        }
        #form-message {
            margin-top: 1rem;
            padding: 1rem;
            border-radius: 5px;
            text-align: center;
            font-weight: 600;
        }
        .success-message {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        /* Footer */
        .main-footer {
            background: var(--dark-color);
            color: var(--light-color);
            text-align: center;
            padding: 2rem 0;
        }
        .main-footer .social-icons {
            margin-bottom: 1rem;
        }
        .main-footer .social-icons a {
            color: var(--white-color);
            font-size: 1.5rem;
            margin: 0 0.5rem;
            transition: color 0.3s ease;
        }
        .main-footer .social-icons a:hover {
            color: var(--primary-color);
        }
        .main-footer a {
            color: var(--primary-color);
        }

        /* Modal/Popup Styles */
        .modal {
            display: none; /* Hidden by default */
            position: fixed; /* Stay in place */
            z-index: 2000; /* Sit on top */
            left: 0;
            top: 0;
            width: 100%; /* Full width */
            height: 100%; /* Full height */
            overflow: auto; /* Enable scroll if needed */
            background-color: rgba(0,0,0,0.6); /* Black w/ opacity */
            animation: fadeIn 0.3s;
        }

        .modal-content {
            background-color: var(--white-color);
            margin: 5% auto; /* 5% from the top and centered */
            padding: 2rem;
            border: 1px solid #888;
            width: 80%;
            max-width: 600px;
            border-radius: 10px;
            position: relative;
            animation: slideIn 0.4s;
        }
        
        .close-btn {
            color: var(--dark-color);
            position: absolute;
            top: 15px;
            right: 25px;
            font-size: 35px;
            font-weight: bold;
            cursor: pointer;
        }

        .close-btn:hover,
        .close-btn:focus {
            color: var(--primary-color);
        }

        /* Newsletter Form in Modal */
        .newsletter-form .form-group {
            margin-bottom: 1rem;
        }
        .newsletter-form label {
            display: block;
            margin-bottom: 0.5rem;
        }
        .newsletter-form input {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px;
        }
        .newsletter-form .checkbox-group {
            display: flex;
            align-items: center;
        }
        .newsletter-form .checkbox-group input {
            width: auto;
            margin-right: 0.5rem;
        }
        #newsletter-message {
            margin-top: 1rem;
            padding: 1rem;
            border-radius: 5px;
            text-align: center;
            font-weight: 600;
        }

        /* Animations */
        @keyframes fadeIn {
            from {opacity: 0;}
            to {opacity: 1;}
        }
        @keyframes slideIn {
            from {transform: translateY(-50px); opacity: 0;}
            to {transform: translateY(0); opacity: 1;}
        }

        /* Responsive Design */
        @media(max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .main-header .container { flex-direction: column; }
            .main-nav ul { padding: 1rem 0; }
            .main-nav ul li { margin: 0 0.5rem; }
            
            .about .container,
            .why-choose .container,
            .contact .container {
                grid-template-columns: 1fr;
            }
            .services-grid,
            .pricing-grid,
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .pricing-card.featured {
                transform: none;
            }
        }