/* --- CSS Variables & Reset --- */
        :root {
            --primary-color: #0ea5e9; /* Medical Blue */
            --primary-dark: #0284c7;
            --secondary-color: #10b981; /* Wellness Green */
            --secondary-dark: #059669;
            --text-dark: #1e293b;
            --text-light: #64748b;
            --white: #ffffff;
            --light-bg: #f0f9ff;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
            --radius: 12px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
            background-color: var(--white);
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Poppins', sans-serif;
            color: var(--text-dark);
            line-height: 1.2;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

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

        /* --- Utility Classes --- */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-padding {
            padding: 5rem 0;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            text-align: center;
            font-family: 'Poppins', sans-serif;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(14, 165, 233, 0.4);
        }

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

        .btn-secondary {
            background-color: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }

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

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

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

        .section-title {
            text-align: center;
            margin-bottom: 3.5rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        .section-title p {
            color: var(--text-light);
            font-size: 1.1rem;
        }

        .check-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 10px;
        }

        .check-list li::before {
            content: '\f00c'; /* FontAwesome check */
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--secondary-color);
            position: absolute;
            left: 0;
            top: 2px;
        }

        /* --- Header & Nav --- */
        header {
            background-color: var(--white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo i {
            color: var(--secondary-color);
            font-size: 1.8rem;
        }

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }

        .nav-link {
            font-weight: 500;
            color: var(--text-dark);
            transition: var(--transition);
            font-size: 0.95rem;
        }

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

        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--text-dark);
        }

        /* --- Hero Section --- */
        .hero {
            background-color: var(--light-bg);
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        .hero-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            color: var(--text-dark);
        }

        .hero-content p {
            font-size: 1.2rem;
            color: var(--text-light);
            margin-bottom: 1.5rem;
            max-width: 90%;
        }

        .hero-features {
            margin-bottom: 2.5rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 0.5rem;
        }

        .hero-features span {
            font-weight: 600;
            color: var(--secondary-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
        }

        .hero-image {
            position: relative;
        }

        .hero-image img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
        }

        /* --- About Us --- */
        .about-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .about-wrapper h2 {
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            color: var(--primary-dark);
        }

        .about-wrapper p {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 1.5rem;
        }

        /* --- Services --- */
        .services-section {
            background-color: #f8fafc;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }

        .service-card {
            background: var(--white);
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border-bottom: 4px solid transparent;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-bottom-color: var(--primary-color);
        }

        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

        .service-card p {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* --- Why Choose Us --- */
        .why-us-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .feature-box {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

        .feature-icon-box {
            min-width: 50px;
            height: 50px;
            background-color: #dcfce7;
            color: var(--secondary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        /* --- Healthcare Plans --- */
        .plans-section {
            background-color: var(--light-bg);
        }

        .plans-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .plan-card {
            background: var(--white);
            padding: 3rem 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            text-align: center;
            position: relative;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .plan-card.highlight {
            border: 2px solid var(--primary-color);
            transform: scale(1.05);
            z-index: 2;
        }

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

        .plan-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .plan-features {
            margin: 2rem 0;
            text-align: left;
            flex-grow: 1;
        }

        .plan-features li {
            margin-bottom: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .plan-features li i {
            color: var(--secondary-color);
        }

        .plans-cta {
            text-align: center;
            margin-top: 3rem;
        }

        /* --- Book Appointment --- */
        .appointment-section {
            background: linear-gradient(rgba(14, 165, 233, 0.9), rgba(16, 185, 129, 0.9)), url('../img/appointment.jpg');
            background-size: cover;
            background-position: center;
            color: var(--white);
        }

        .appointment-form-wrapper {
            background: var(--white);
            padding: 3rem;
            border-radius: var(--radius);
            max-width: 700px;
            margin: 0 auto;
            box-shadow: var(--shadow-lg);
        }

        .form-header {
            text-align: center;
            margin-bottom: 2rem;
            color: var(--text-dark);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .form-group {
            margin-bottom: 1rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
        }

        .full-width {
            grid-column: span 2;
        }

        .success-message {
            display: none;
            background-color: #dcfce7;
            color: #166534;
            padding: 1rem;
            border-radius: 6px;
            margin-top: 1rem;
            text-align: center;
            border: 1px solid #bbf7d0;
        }

        /* --- Testimonials --- */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .testimonial-card {
            background: var(--light-bg);
            padding: 2rem;
            border-radius: var(--radius);
            position: relative;
        }

        .stars {
            color: #f59e0b;
            margin-bottom: 1rem;
        }

        .quote-text {
            font-style: italic;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .author {
            font-weight: 700;
            color: var(--primary-dark);
        }

        /* --- Contact --- */
        .contact-wrapper {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            background-color: var(--white);
            padding: 3rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
        }

        .contact-info-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background-color: #e0f2fe;
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .working-hours {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
        }

        /* --- Newsletter --- */
        .newsletter-section {
            background-color: var(--primary-dark);
            color: var(--white);
            text-align: center;
        }
        
        .newsletter-section .section-title h2, 
        .newsletter-section .section-title p {
            color: var(--white);
        }

        .newsletter-form {
            max-width: 500px;
            margin: 0 auto;
            background: rgba(255,255,255,0.1);
            padding: 2rem;
            border-radius: var(--radius);
            backdrop-filter: blur(10px);
        }

        .newsletter-form label {
            display: block;
            text-align: left;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }

        .newsletter-form input {
            background: rgba(255,255,255,0.9);
            border: none;
        }

        .checkbox-container {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 1.5rem;
            text-align: left;
            font-size: 0.9rem;
        }

        .checkbox-container input {
            margin-top: 4px;
        }

        /* --- Footer --- */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 4rem 0 2rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-col h4 {
            color: var(--white);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }

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

        .footer-links a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }

        .social-icons {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }

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

        .social-icons a:hover {
            background: var(--primary-color);
        }

        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
        }

        /* --- Modals --- */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.6);
            backdrop-filter: blur(5px);
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .modal.show {
            display: flex;
            opacity: 1;
        }

        .modal-content {
            background-color: var(--white);
            padding: 3rem;
            border-radius: var(--radius);
            max-width: 600px;
            width: 90%;
            position: relative;
            max-height: 80vh;
            overflow-y: auto;
        }

        .close-modal {
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            font-size: 2rem;
            cursor: pointer;
            color: var(--text-light);
            background: none;
            border: none;
        }

        /* --- Responsive --- */
        @media (max-width: 992px) {
            .plan-card.highlight {
                transform: scale(1);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                right: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background-color: var(--white);
                flex-direction: column;
                padding: 2rem;
                transition: 0.3s;
                box-shadow: -5px 0 15px rgba(0,0,0,0.1);
            }

            .nav-menu.active {
                right: 0;
            }

            .hamburger {
                display: block;
            }

            .hero-container {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero-content h1 {
                font-size: 2.5rem;
            }

            .hero-features {
                display: inline-block;
                text-align: left;
                margin-bottom: 2rem;
            }

            .hero-buttons {
                justify-content: center;
            }

            .form-grid {
                grid-template-columns: 1fr;
            }
            
            .full-width {
                grid-column: span 1;
            }
        }