:root {
            --primary-color: #4A90E2;
            --secondary-color: #7B68EE;
            --accent-color: #50C878;
            --text-dark: #2C3E50;
            --text-light: #6C757D;
            --bg-light: #F8F9FA;
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            overflow-x: hidden;
        }

        /* Navigation */
        .navbar {
            background: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 1rem 0;
        }

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

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

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

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 100px 0;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: float 20s infinite linear;
        }

        @keyframes float {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

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

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

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

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

        .btn-hero {
            background: white;
            color: var(--primary-color);
            padding: 12px 30px;
            border: none;
            border-radius: 50px;
            font-weight: bold;
            transition: all 0.3s;
            animation: slideInLeft 1s ease 0.4s;
            animation-fill-mode: both;
        }

        .btn-hero:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }

        /* Services Section */
        .services {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .service-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 30px;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            cursor: pointer;
        }

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

        .service-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 30px;
            color: white;
        }

        .service-card h3 {
            color: var(--text-dark);
            margin-bottom: 15px;
        }

        /* Insurance Section */
        .insurance {
            padding: 80px 0;
            background: white;
        }

        .insurance-card {
            border: 2px solid #E8E8E8;
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 30px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .insurance-card.featured {
            border-color: 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: 12px;
            font-weight: bold;
        }

        .insurance-card:hover {
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .price {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--primary-color);
        }

        .price span {
            font-size: 1rem;
            color: var(--text-light);
        }

        /* Testimonials */
        .testimonials {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .testimonial-card {
            background: white;
            padding: 30px;
            border-radius: 15px;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }

        .stars {
            color: #FFD700;
            margin-bottom: 15px;
        }

        /* Footer */
        footer {
            background: var(--text-dark);
            color: white;
            padding: 50px 0 30px;
        }

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

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

        /* Popups */
        .popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            animation: fadeIn 0.3s;
        }

        .popup-overlay.active {
            display: flex;
        }

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

        .popup-content {
            background: white;
            border-radius: 20px;
            padding: 40px;
            max-width: 500px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            animation: slideUp 0.3s;
        }

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

        .popup-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }

        .popup-header h2 {
            color: var(--primary-color);
        }

        .close-popup {
            background: none;
            border: none;
            font-size: 30px;
            cursor: pointer;
            color: var(--text-light);
            transition: color 0.3s;
        }

        .close-popup:hover {
            color: var(--text-dark);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 5px;
            color: var(--text-dark);
            font-weight: 500;
        }

        .form-group input {
            width: 100%;
            padding: 10px;
            border: 2px solid #E8E8E8;
            border-radius: 8px;
            transition: border-color 0.3s;
        }

        .form-group input:focus {
            outline: none;
            border-color: var(--primary-color);
        }

        .checkbox-group {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .checkbox-group input {
            margin-right: 10px;
        }

        .btn-submit {
            background: var(--primary-color);
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 8px;
            width: 100%;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }

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

        .success-message {
            background: #D4EDDA;
            color: #155724;
            padding: 15px;
            border-radius: 8px;
            margin-top: 20px;
            display: none;
        }

        .success-message.show {
            display: block;
            animation: slideDown 0.3s;
        }

        @keyframes slideDown {
            from {
                transform: translateY(-20px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        /* Footer Links */
        .footer-link-btn {
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            transition: color 0.3s;
        }

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

        .contact-section {
  padding: 50px 0;
}

.contact-container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.contact-details, .appointment-form {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  flex: 1;
  min-width: 300px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
  margin-bottom: 20px;
  color: #333;
}

h3 {
  margin-top: 20px;
  color: #666;
}

.form-group {
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 15px;
}

.btn {
  padding: 12px 20px;
  background: #007BFF;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
}

.btn:hover {
  background: #0056b3;
}