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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }

        /* Language Selector */
        .language-selector {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1001;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 25px;
            padding: 5px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .language-selector button {
            background: none;
            border: none;
            padding: 8px 12px;
            margin: 0 2px;
            border-radius: 20px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .language-selector button.active {
            background: #667eea;
            color: white;
        }

        .language-selector button:hover {
            background: #667eea;
            color: white;
        }

        /* Header */
        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 0.5rem;
            color: #ffd700;
        }

        .logo-img {
            height: 40px;
            width: auto;
            margin-right: 0.5rem;
            object-fit: contain;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: #ffd700;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 120px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="paw" patternUnits="userSpaceOnUse" width="20" height="20"><circle cx="10" cy="10" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23paw)"/></svg>');
            opacity: 0.1;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 15px 30px;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary {
            background: #ffd700;
            color: #333;
        }

        .btn-primary:hover {
            background: #ffed4e;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

        .btn-secondary:hover {
            background: white;
            color: #667eea;
        }

        /* Features Section */
        .features {
            padding: 80px 0;
            background: #f8f9fa;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .section-title p {
            font-size: 1.2rem;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .feature-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
        }

        .feature-icon {
            font-size: 3rem;
            color: #667eea;
            margin-bottom: 1rem;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .feature-card p {
            color: #666;
            line-height: 1.6;
        }

        /* Screenshots Section */
        .screenshots {
            padding: 80px 0;
            background: white;
        }

        .screenshots-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .screenshot {
            text-align: center;
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        .screenshot img {
            max-width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 10px;
            margin-bottom: 1rem;
        }

        .screenshot h4 {
            font-size: 1.2rem;
            color: #333;
            margin-bottom: 0.5rem;
        }

        .screenshot p {
            color: #666;
            font-size: 0.9rem;
        }

        /* Pricing Section */
        .pricing {
            padding: 80px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .pricing-card {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            position: relative;
            transition: transform 0.3s ease;
        }

        .pricing-card:hover {
            transform: translateY(-5px);
        }

        .pricing-card.featured {
            border: 3px solid #667eea;
            transform: scale(1.05);
        }

        .pricing-card.featured::before {
            content: 'Most Popular';
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: #667eea;
            color: white;
            padding: 5px 20px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .pricing-card h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .price {
            font-size: 3rem;
            font-weight: bold;
            color: #667eea;
            margin-bottom: 1rem;
        }

        .price span {
            font-size: 1rem;
            color: #666;
        }

        .pricing-features {
            list-style: none;
            margin: 2rem 0;
        }

        .pricing-features li {
            padding: 0.5rem 0;
            color: #666;
            border-bottom: 1px solid #eee;
        }

        .pricing-features li:last-child {
            border-bottom: none;
        }

        .pricing-features li i {
            color: #28a745;
            margin-right: 0.5rem;
        }

        /* Veterinarian Section */
        .veterinarian {
            padding: 80px 0;
            background: white;
        }

        .vet-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-top: 3rem;
        }

        .vet-text h3 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .vet-text p {
            font-size: 1.1rem;
            color: #666;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

        .vet-image {
            text-align: center;
        }

        .vet-image img {
            max-width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        /* Contact Form Section */
        .contact-form-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }

        .contact-form-container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

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

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #333;
            font-size: 0.9rem;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            padding: 12px 15px;
            border: 2px solid #e9ecef;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s ease;
            font-family: inherit;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .checkbox-group {
            flex-direction: row;
            align-items: flex-start;
            gap: 0.5rem;
        }

        .checkbox-label {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            cursor: pointer;
            font-size: 0.9rem;
            line-height: 1.4;
        }

        .checkbox-label input[type="checkbox"] {
            margin: 0;
            width: auto;
            height: auto;
        }

        .checkmark {
            color: #667eea;
            font-weight: bold;
        }

        .btn-submit {
            align-self: center;
            padding: 15px 40px;
            font-size: 1.1rem;
            margin-top: 1rem;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
        }

        /* Responsive Contact Form */
        @media (max-width: 768px) {
            .contact-form-container {
                padding: 2rem 1.5rem;
                margin: 0 1rem;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .btn-submit {
                width: 100%;
            }
        }

        /* Footer */
        .footer {
            background: #333;
            color: white;
            padding: 3rem 0;
            text-align: center;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

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

        .footer p {
            margin-bottom: 1rem;
            opacity: 0.8;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 2rem;
        }

        .social-links a {
            color: white;
            font-size: 1.5rem;
            transition: color 0.3s ease;
        }

        .social-links a:hover {
            color: #ffd700;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 100%;
                max-width: 300px;
            }

            .vet-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .nav-links {
                display: none;
            }

            .language-selector {
                top: 10px;
                right: 10px;
            }
        }

        /* Hidden by default */
        [data-lang] {
            display: none;
        }

        [data-lang="en"] {
            display: block;
        }