:root {
            --primary-color: #0d6efd;
            --secondary-color: #00a8cc;
            --accent-color: #00d4aa;
            --dark-color: #2c3e50;
            --light-bg: #f8f9fa;
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            overflow-x: hidden;
        }

        /* Header Styles */
        .navbar {
            background: white;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        .navbar-brand {
            font-weight: bold;
            font-size: 1.5rem;
            color: var(--primary-color) !important;
        }

        .nav-link {
            color: var(--dark-color) !important;
            margin: 0 10px;
            transition: color 0.3s ease;
            position: relative;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }

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

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: -50%;
            width: 99.2%;
            height: 100%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff20" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat;
            background-size: cover;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: bold;
            margin-bottom: 20px;
            animation: fadeInUp 1s ease;
        }

        .hero-content p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            animation: fadeInUp 1s ease 0.2s;
            animation-fill-mode: both;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Section Styles */
        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

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

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--primary-color);
        }

        /* Service Cards */
        .service-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            height: 100%;
        }

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

        .service-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
        }

        /* Why Choose Us */
        .feature-box {
            padding: 20px;
            margin-bottom: 20px;
            background: var(--light-bg);
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .feature-box:hover {
            background: white;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        .feature-icon {
            color: var(--primary-color);
            font-size: 2rem;
            margin-bottom: 15px;
        }

        /* Insurance Plans */
        .insurance-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .insurance-card.featured {
            border: 2px solid var(--primary-color);
            transform: scale(1.05);
        }

        .insurance-card.featured::before {
            content: 'POPULAR';
            position: absolute;
            top: 20px;
            right: -30px;
            background: var(--accent-color);
            color: white;
            padding: 5px 40px;
            transform: rotate(45deg);
            font-size: 0.8rem;
            font-weight: bold;
        }

        /* Appointment Form */
        .appointment-form {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 15px;
            padding: 40px;
            color: white;
        }

        .form-control, .form-select {
            border-radius: 10px;
            border: none;
            padding: 12px;
            margin-bottom: 15px;
        }

        /* Testimonials */
        .testimonial-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            margin-bottom: 20px;
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
            color: #666;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 15px;
            background: var(--light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-weight: bold;
        }

        /* Footer */
        footer {
            background: var(--dark-color);
            color: white;
            padding: 50px 0 20px;
        }

        .footer-links a {
            color: #adb5bd;
            text-decoration: none;
            margin-right: 20px;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: white;
        }

        /* Popup Styles */
        .popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 9999;
            animation: fadeIn 0.3s ease;
        }

        .popup-content {
            position: relative;
            background: white;
            max-width: 600px;
            margin: 50px auto;
            border-radius: 15px;
            max-height: 80vh;
            overflow-y: auto;
            animation: slideIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

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

        .popup-header {
            background: var(--primary-color);
            color: white;
            padding: 20px;
            border-radius: 15px 15px 0 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .popup-body {
            padding: 30px;
        }

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

        /* Success Message */
        .success-message {
            display: none;
            position: fixed;
            top: 20px;
            right: 20px;
            background: var(--accent-color);
            color: white;
            padding: 15px 25px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.2);
            z-index: 10000;
            animation: slideInRight 0.3s ease;
        }

        @keyframes slideInRight {
            from {
                transform: translateX(100%);
            }
            to {
                transform: translateX(0);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2rem;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
        }