/* =========================================
           VARIABLES & RESET
           ========================================= */
        :root {
            --primary: #0056b3;      /* Medical Blue */
            --primary-dark: #004494;
            --accent: #00a8cc;       /* Cyan/Teal for highlights */
            --text-dark: #333333;
            --text-light: #666666;
            --bg-light: #f4f7f6;
            --white: #ffffff;
            --success: #28a745;
            --border-radius: 8px;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--white);
            overflow-x: hidden;
        }

        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }

        /* =========================================
           UTILITY CLASSES (ANIMATION)
           ========================================= */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-padding { padding: 80px 0; }
        
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--accent);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        /* Scroll Animation Classes */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease-out;
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 6px rgba(0,86,179, 0.2);
        }

        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,86,179, 0.3);
        }

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

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

        /* =========================================
           HEADER
           ========================================= */
        header {
            background: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .nav-links {
            display: flex;
            gap: 25px;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 16px;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background-color: var(--accent);
            transition: var(--transition);
        }

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

        /* =========================================
           HERO SECTION
           ========================================= */
        .hero {
            background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        /* Decorative Circles */
        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: rgba(0, 168, 204, 0.05);
            border-radius: 50%;
            z-index: 0;
        }

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

        .hero-text {
            flex: 1;
            z-index: 1;
            padding-right: 50px;
        }

        .hero-text h1 {
            font-size: 3.5rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .hero-text span { color: var(--primary); }

        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 30px;
            max-width: 500px;
        }

        .hero-img {
            flex: 1;
            position: relative;
            z-index: 1;
        }

        .hero-img img {
            border-radius: 20px 0 20px 0;
            box-shadow: 20px 20px 0 var(--accent);
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }

        /* =========================================
           ABOUT US
           ========================================= */
        .about { background-color: var(--white); }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-img img { border-radius: var(--border-radius); box-shadow: var(--shadow); }

        .about-text h3 { font-size: 1.8rem; margin-bottom: 15px; }
        .about-text p { margin-bottom: 15px; color: var(--text-light); }

        /* =========================================
           SERVICES
           ========================================= */
        .services { background-color: var(--bg-light); }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
        }

        .service-card:hover {
            transform: translateY(-10px);
            border-bottom: 3px solid var(--accent);
        }

        .service-icon {
            width: 70px;
            height: 70px;
            background: rgba(0, 86, 179, 0.1);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin: 0 auto 20px;
            transition: var(--transition);
        }

        .service-card:hover .service-icon {
            background: var(--primary);
            color: var(--white);
        }

        .service-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
        .service-card p { font-size: 0.9rem; color: var(--text-light); }

        /* =========================================
           WHY CHOOSE US
           ========================================= */
        .why-us { background: var(--white); }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .feature-item i {
            font-size: 24px;
            color: var(--accent);
            margin-top: 5px;
        }

        /* =========================================
           HEALTHCARE PLANS
           ========================================= */
        .plans { background-color: var(--primary-dark); color: var(--white); }
        .plans .section-header h2 { color: var(--white); }
        .plans .section-header p { color: #ddd; }

        .plans-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .plan-card {
            background: var(--white);
            color: var(--text-dark);
            padding: 40px;
            border-radius: var(--border-radius);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .plan-card.featured {
            transform: scale(1.05);
            border: 4px solid var(--accent);
            z-index: 2;
        }

        .plan-card:hover { transform: translateY(-10px) scale(1.02); }

        .plan-badge {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: var(--white);
            padding: 5px 20px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
            text-transform: uppercase;
        }

        .plan-price { font-size: 2.5rem; font-weight: bold; color: var(--primary); margin: 20px 0; }
        .plan-price span { font-size: 1rem; color: var(--text-light); font-weight: normal; }
        
        .plan-features { margin-bottom: 30px; text-align: left; }
        .plan-features li { margin-bottom: 10px; color: var(--text-light); }
        .plan-features li i { color: var(--success); margin-right: 10px; }

        /* =========================================
           TESTIMONIALS
           ========================================= */
        .testimonials { background: var(--bg-light); }
        
        .testimonial-slider {
            display: flex;
            gap: 30px;
            overflow-x: auto;
            padding-bottom: 20px;
            scrollbar-width: none; /* Firefox */
        }
        .testimonial-slider::-webkit-scrollbar { display: none; }

        .testimonial-card {
            background: var(--white);
            padding: 30px;
            min-width: 350px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }

        .user-img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 15px;
        }

        .stars { color: #ffc107; font-size: 0.9rem; }

        /* =========================================
           CONTACT & BOOK APPOINTMENT
           ========================================= */
        .contact-section {
            display: flex;
            flex-wrap: wrap;
            gap: 50px;
        }

        .contact-info {
            flex: 1;
            min-width: 300px;
        }

        .info-item {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
            background: var(--bg-light);
            padding: 20px;
            border-radius: var(--border-radius);
        }

        .info-icon {
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-size: 20px;
        }

        .appointment-form-wrapper {
            flex: 1.5;
            min-width: 300px;
            background: var(--white);
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            border-top: 5px solid var(--accent);
        }

        .form-group { margin-bottom: 20px; }
        .form-group label { display: block; margin-bottom: 8px; font-weight: 500; }
        
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
        }

        /* =========================================
           FOOTER & MODULES
           ========================================= */
        footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 70px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-col h4 {
            color: var(--white);
            margin-bottom: 25px;
            font-size: 1.2rem;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 2px;
            background: var(--accent);
        }

        .footer-links li { margin-bottom: 12px; }
        .footer-links a:hover { color: var(--accent); padding-left: 5px; transition: 0.3s; }

        /* Newsletter Module */
        .newsletter-form input[type="date"] {
            color-scheme: light; /* Fix calendar icon color in dark mode */
        }
        
        .newsletter-form .checkbox-group {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 15px;
            font-size: 0.9rem;
        }

        /* Copyright */
        .copyright {
            border-top: 1px solid #333;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
        }
        .legal-links { margin-top: 10px; }
        .legal-links a { margin: 0 10px; font-size: 0.85rem; }
        .legal-links a:hover { text-decoration: underline; cursor: pointer; }

        /* =========================================
           MODALS (Privacy & Terms)
           ========================================= */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.6);
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

        .modal-content {
            background-color: #fff;
            margin: auto;
            padding: 40px;
            border: 1px solid #888;
            width: 80%;
            max-width: 600px;
            border-radius: var(--border-radius);
            position: relative;
            transform: translateY(-20px);
            transition: transform 0.3s ease;
            max-height: 80vh;
            overflow-y: auto;
        }

        .modal.show .modal-content { transform: translateY(0); }

        .close-modal {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            position: absolute;
            top: 15px;
            right: 20px;
        }

        .close-modal:hover { color: var(--primary); }

        /* =========================================
           NOTIFICATION TOAST
           ========================================= */
        .toast {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--success);
            color: white;
            padding: 15px 25px;
            border-radius: 50px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            display: flex;
            align-items: center;
            gap: 10px;
            transform: translateX(150%);
            transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
            z-index: 3000;
        }

        .toast.active { transform: translateX(0); }

        /* =========================================
           RESPONSIVE
           ========================================= */
        @media (max-width: 768px) {
            .hero-content { flex-direction: column; text-align: center; }
            .hero-text { padding-right: 0; margin-bottom: 40px; }
            .hero-text h1 { font-size: 2.5rem; }
            .hero-img { width: 100%; }
            .navbar { flex-direction: column; height: auto; padding: 15px 0; }
            .nav-links { margin-top: 15px; gap: 15px; flex-wrap: wrap; justify-content: center; }
            .about-grid { grid-template-columns: 1fr; }
            .contact-section { flex-direction: column; }
            .plan-card.featured { transform: scale(1); }
        }