/* ===== VARIÁVEIS CSS ===== */
        :root {
            /* Paleta de cores principal */
            --primary: #667eea;
            --secondary: #764ba2;
            --accent: #ff6b6b;
            
            /* Cores neutras */
            --white: #ffffff;
            --black: #1a1a1a;
            --gray-light: #f8f9fa;
            --gray-medium: #6c757d;
            --gray-dark: #343a40;
            
            /* Gradientes */
            --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
            --gradient-accent: linear-gradient(135deg, var(--accent), #ff8e8e);
            
            /* Tipografia */
            --font-family: 'Poppins', sans-serif;
            --font-size-small: 0.875rem;
            --font-size-base: 1rem;
            --font-size-large: 1.125rem;
            --font-size-xl: 1.25rem;
            --font-size-2xl: 1.5rem;
            --font-size-3xl: 2rem;
            --font-size-4xl: 2.5rem;
            
            /* Espaçamentos */
            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;
            
            /* Bordas */
            --border-radius: 0.5rem;
            --border-radius-large: 1rem;
            --border-radius-full: 9999px;
            
            /* Sombras */
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
            
            /* Transições */
            --transition: all 0.3s ease;
            --transition-fast: all 0.15s ease;
        }

        /* ===== RESET E BASE ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: var(--font-size-base);
            line-height: 1.6;
            color: var(--black);
            background-color: var(--white);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ===== CLASSES UTILITÁRIAS ===== */
        
        /* Botões */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) var(--spacing-lg);
            border: none;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: var(--font-size-base);
            font-weight: 500;
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: var(--white);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-secondary {
            background: var(--gradient-accent);
            color: var(--white);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

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

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

        .btn-large {
            padding: var(--spacing-md) var(--spacing-xl);
            font-size: var(--font-size-large);
        }

        .btn-full {
            width: 100%;
            justify-content: center;
        }

        .btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none !important;
        }

        /* Cards */
        .card {
            background: var(--white);
            border-radius: var(--border-radius-large);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        /* Títulos de seção */
        .section-title {
            font-size: var(--font-size-3xl);
            font-weight: 700;
            text-align: center;
            margin-bottom: var(--spacing-md);
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            font-size: var(--font-size-large);
            color: var(--gray-medium);
            text-align: center;
            margin-bottom: var(--spacing-2xl);
        }

        /* Highlight */
        .highlight {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ===== ANIMAÇÕES ===== */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-10px);
            }
        }

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

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

        /* ===== HEADER E NAVEGAÇÃO ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            transition: var(--transition);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            max-width: 1200px;
            margin: 0 auto;
        }

        /* Logo */
        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: var(--font-size-xl);
            font-weight: 700;
            color: var(--primary);
        }

        .logo i {
            font-size: var(--font-size-2xl);
        }

        /* Menu de navegação */
        .nav-menu {
            display: flex;
            list-style: none;
            gap: var(--spacing-xl);
        }

        .nav-link {
            text-decoration: none;
            color: var(--black);
            font-weight: 500;
            position: relative;
            transition: var(--transition);
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: var(--transition);
        }

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

        /* Ações da navegação */
        .nav-actions {
            display: flex;
            gap: var(--spacing-md);
        }

        /* Menu hambúrguer */
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--primary);
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }

        /* ===== SEÇÃO HERO ===== */
        .hero {
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: var(--spacing-3xl);
            min-height: 100vh;
            padding: var(--spacing-3xl) var(--spacing-lg);
            max-width: 1200px;
            margin: 0 auto;
            animation: fadeIn 1s ease;
        }

        .hero-content {
            animation: slideInLeft 1s ease;
        }

        .hero-title {
            font-size: var(--font-size-4xl);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: var(--spacing-lg);
        }

        .hero-subtitle {
            font-size: var(--font-size-large);
            color: var(--gray-medium);
            margin-bottom: var(--spacing-2xl);
        }

        .hero-actions {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .hero-image {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
            animation: slideInRight 1s ease;
        }

        .hero-pet-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: var(--spacing-xl);
            background: var(--white);
            border-radius: var(--border-radius-large);
            box-shadow: var(--shadow-lg);
            transition: var(--transition);
            animation: float 3s ease-in-out infinite;
        }

        .hero-pet-card:nth-child(2) {
            animation-delay: 1s;
        }

        .hero-pet-card:nth-child(3) {
            animation-delay: 2s;
            grid-column: 1 / -1;
            flex-direction: row;
            justify-content: center;
            gap: var(--spacing-md);
        }

        .hero-pet-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
        }

        .hero-pet-card i {
            font-size: var(--font-size-3xl);
            color: var(--primary);
            margin-bottom: var(--spacing-md);
        }

        .hero-pet-card:nth-child(3) i {
            margin-bottom: 0;
        }

        .hero-pet-card span {
            font-weight: 600;
            color: var(--black);
        }

        /* ===== SEÇÃO DE SERVIÇOS ===== */
        .services {
            padding: var(--spacing-3xl) 0;
            background: var(--gray-light);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: var(--spacing-2xl);
        }

        .service-card {
            position: relative;
            padding: var(--spacing-2xl);
            background: var(--white);
            border-radius: var(--border-radius-large);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            text-align: center;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
        }

        .service-card.featured {
            background: var(--gradient-primary);
            color: var(--white);
            transform: scale(1.05);
        }

        .service-card.featured:hover {
            transform: scale(1.05) translateY(-8px);
        }

        .service-badge {
            position: absolute;
            top: -10px;
            right: var(--spacing-lg);
            background: var(--accent);
            color: var(--white);
            padding: var(--spacing-xs) var(--spacing-md);
            border-radius: var(--border-radius-full);
            font-size: var(--font-size-small);
            font-weight: 600;
        }

        .service-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto var(--spacing-lg);
            background: var(--gradient-primary);
            border-radius: var(--border-radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .service-card.featured .service-icon {
            background: var(--white);
        }

        .service-icon i {
            font-size: var(--font-size-2xl);
            color: var(--white);
        }

        .service-card.featured .service-icon i {
            color: var(--primary);
        }

        .service-card h3 {
            font-size: var(--font-size-xl);
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }

        .service-card p {
            color: var(--gray-medium);
            margin-bottom: var(--spacing-lg);
        }

        .service-card.featured p {
            color: rgba(255, 255, 255, 0.9);
        }

        .service-options {
            margin-bottom: var(--spacing-lg);
        }

        .service-options label {
            display: block;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }

        .size-selector {
            display: flex;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
        }

        .size-btn {
            flex: 1;
            padding: var(--spacing-sm) var(--spacing-md);
            border: 2px solid var(--primary);
            background: transparent;
            color: var(--primary);
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            font-size: var(--font-size-small);
        }

        .size-btn:hover,
        .size-btn.active {
            background: var(--primary);
            color: var(--white);
        }

        .service-card.featured .size-btn {
            border-color: var(--white);
            color: var(--white);
        }

        .service-card.featured .size-btn:hover,
        .service-card.featured .size-btn.active {
            background: var(--white);
            color: var(--primary);
        }

        .service-price {
            font-size: var(--font-size-large);
            font-weight: 600;
            color: var(--accent);
        }

        .service-card.featured .service-price {
            color: var(--white);
        }

        /* ===== SEÇÃO DE AGENDAMENTO ===== */
        .booking {
            padding: var(--spacing-3xl) 0;
            background: var(--white);
        }

        .steps-indicator {
            display: flex;
            justify-content: center;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-3xl);
        }

        .step {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-sm);
            opacity: 0.5;
            transition: var(--transition);
        }

        .step.active {
            opacity: 1;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: var(--border-radius-full);
            background: var(--gray-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: var(--font-size-large);
            transition: var(--transition);
        }

        .step.active .step-number {
            background: var(--gradient-primary);
            color: var(--white);
        }

        .booking-form {
            max-width: 600px;
            margin: 0 auto;
            background: var(--white);
            border-radius: var(--border-radius-large);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .form-step {
            display: none;
            padding: var(--spacing-2xl);
        }

        .form-step.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

        .form-step h3 {
            font-size: var(--font-size-2xl);
            font-weight: 600;
            text-align: center;
            margin-bottom: var(--spacing-2xl);
        }

        /* Seleção de serviços */
        .service-selection {
            display: grid;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-2xl);
        }

        .service-option {
            display: flex;
            align-items: center;
            padding: var(--spacing-lg);
            border: 2px solid var(--gray-light);
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
        }

        .service-option:hover,
        .service-option.selected {
            border-color: var(--primary);
            background: rgba(102, 126, 234, 0.1);
        }

        .service-option i {
            font-size: var(--font-size-2xl);
            color: var(--primary);
            margin-right: var(--spacing-lg);
        }

        .service-option span {
            flex: 1;
            font-weight: 600;
        }

        .service-option .price {
            font-weight: 600;
            color: var(--accent);
        }

        /* Seleção de data e hora */
        .datetime-selection {
            margin-bottom: var(--spacing-2xl);
        }

        .date-input {
            margin-bottom: var(--spacing-lg);
        }

        .date-input label {
            display: block;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
        }

        .date-input input {
            width: 100%;
            padding: var(--spacing-md);
            border: 2px solid var(--gray-light);
            border-radius: var(--border-radius);
            font-size: var(--font-size-base);
            transition: var(--transition);
        }

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

        .time-slots label {
            display: block;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }

        .time-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .time-slot {
            padding: var(--spacing-md);
            border: 2px solid var(--gray-light);
            background: transparent;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }

        .time-slot:hover,
        .time-slot.selected {
            border-color: var(--primary);
            background: var(--primary);
            color: var(--white);
        }

        /* Formulário de dados */
        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-2xl);
        }

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

        .form-group label {
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
        }

        .form-group input,
        .form-group select {
            padding: var(--spacing-md);
            border: 2px solid var(--gray-light);
            border-radius: var(--border-radius);
            font-size: var(--font-size-base);
            transition: var(--transition);
        }

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

        .form-group input.error {
            border-color: var(--accent);
        }

        .error-message {
            color: var(--accent);
            font-size: var(--font-size-small);
            margin-top: var(--spacing-xs);
            min-height: 1.2em;
        }

        /* Resumo do agendamento */
        .booking-summary {
            background: var(--gray-light);
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-2xl);
        }

        .booking-summary h4 {
            font-size: var(--font-size-large);
            font-weight: 600;
            margin-bottom: var(--spacing-md);
            text-align: center;
        }

        .summary-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: var(--spacing-sm);
        }

        .summary-item.total {
            border-top: 2px solid var(--primary);
            padding-top: var(--spacing-sm);
            font-weight: 600;
            font-size: var(--font-size-large);
        }

        /* Navegação entre etapas */
        .step-navigation {
            display: flex;
            justify-content: space-between;
            gap: var(--spacing-md);
        }

        /* ===== SEÇÃO DE CONDIÇÕES ===== */
        .conditions {
            padding: var(--spacing-3xl) 0;
            background: var(--gray-light);
        }

        .conditions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-2xl);
        }

        .condition-card {
            padding: var(--spacing-2xl);
            background: var(--white);
            border-radius: var(--border-radius-large);
            box-shadow: var(--shadow-md);
            text-align: center;
            transition: var(--transition);
        }

        .condition-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .condition-card i {
            font-size: var(--font-size-3xl);
            color: var(--primary);
            margin-bottom: var(--spacing-lg);
        }

        .condition-card h3 {
            font-size: var(--font-size-xl);
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }

        .condition-card p {
            color: var(--gray-medium);
            line-height: 1.6;
        }

        /* ===== RODAPÉ ===== */
        .footer {
            background: var(--black);
            color: var(--white);
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-section h3 {
            font-size: var(--font-size-large);
            font-weight: 600;
            margin-bottom: var(--spacing-lg);
            color: var(--primary);
        }

        .footer-section p {
            color: var(--gray-medium);
            margin-bottom: var(--spacing-lg);
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .contact-item i {
            color: var(--primary);
            width: 20px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: var(--spacing-sm);
        }

        .footer-links a {
            color: var(--gray-medium);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .social-links {
            display: flex;
            gap: var(--spacing-md);
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--border-radius-full);
            text-decoration: none;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--accent);
            transform: translateY(-2px);
        }

        .map-container {
            border-radius: var(--border-radius);
            overflow: hidden;
        }

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--gray-dark);
            color: var(--gray-medium);
        }

        /* ===== MODAIS ===== */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            backdrop-filter: blur(5px);
        }

        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
            animation: fadeIn 0.3s ease;
        }

        .modal-content {
            background: var(--white);
            border-radius: var(--border-radius-large);
            box-shadow: var(--shadow-xl);
            width: 90%;
            max-width: 400px;
            animation: slideInRight 0.3s ease;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-lg);
            border-bottom: 1px solid var(--gray-light);
        }

        .modal-header h2 {
            font-size: var(--font-size-xl);
            font-weight: 600;
        }

        .close {
            font-size: var(--font-size-2xl);
            cursor: pointer;
            color: var(--gray-medium);
            transition: var(--transition);
        }

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

        .modal-body {
            padding: var(--spacing-lg);
        }

        .auth-form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
        }

        .auth-switch {
            text-align: center;
            margin-top: var(--spacing-md);
            color: var(--gray-medium);
        }

        .auth-switch a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        .auth-switch a:hover {
            text-decoration: underline;
        }

        /* ===== RESPONSIVIDADE ===== */
        
        /* Tablets */
        @media (max-width: 1024px) {
            .hero {
                grid-template-columns: 1fr;
                text-align: center;
                gap: var(--spacing-2xl);
            }
            
            .hero-image {
                order: -1;
            }
            
            .services-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            }
            
            .form-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Mobile */
        @media (max-width: 768px) {
            /* Navegação mobile */
            .nav-menu {
                position: fixed;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--white);
                flex-direction: column;
                padding: var(--spacing-lg);
                box-shadow: var(--shadow-lg);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
            }

            .nav-menu.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-actions {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            /* Hero */
            .hero {
                padding: var(--spacing-2xl) var(--spacing-md);
                min-height: 80vh;
            }

            .hero-title {
                font-size: var(--font-size-3xl);
            }

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

            .hero-image {
                grid-template-columns: 1fr;
            }

            .hero-pet-card:nth-child(3) {
                grid-column: 1;
                flex-direction: column;
            }

            .hero-pet-card:nth-child(3) i {
                margin-bottom: var(--spacing-md);
            }

            /* Seções */
            .services,
            .booking,
            .conditions {
                padding: var(--spacing-2xl) 0;
            }

            .container {
                padding: 0 var(--spacing-md);
            }

            /* Cards de serviço */
            .services-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .service-card.featured {
                transform: none;
            }

            .service-card.featured:hover {
                transform: translateY(-8px);
            }

            .size-selector {
                flex-direction: column;
            }

            /* Agendamento */
            .steps-indicator {
                gap: var(--spacing-lg);
            }

            .step span {
                font-size: var(--font-size-small);
            }

            .booking-form {
                margin: 0 var(--spacing-md);
            }

            .form-step {
                padding: var(--spacing-lg);
            }

            .time-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .step-navigation {
                flex-direction: column;
            }

            /* Condições */
            .conditions-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            /* Rodapé */
            .footer-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
                text-align: center;
            }

            .contact-info {
                align-items: center;
            }

            .social-links {
                justify-content: center;
            }

            /* Modal */
            .modal-content {
                margin: var(--spacing-md);
            }

            /* Botões */
            .btn-large {
                padding: var(--spacing-md) var(--spacing-lg);
                font-size: var(--font-size-base);
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

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

        /* Mobile pequeno */
        @media (max-width: 480px) {
            .hero-title {
                font-size: var(--font-size-2xl);
            }

            .section-title {
                font-size: var(--font-size-2xl);
            }

            .time-grid {
                grid-template-columns: 1fr;
            }

            .hero-pet-card {
                padding: var(--spacing-lg);
            }
        }

        /* ===== MELHORIAS DE PERFORMANCE ===== */
        
        /* Lazy loading para imagens */
        img {
            loading: lazy;
        }

        /* Otimização de scroll */
        * {
            scroll-behavior: smooth;
        }

        /* Preload para fontes críticas */
        @media (prefers-reduced-motion: no-preference) {
            .hero-pet-card {
                animation: float 3s ease-in-out infinite;
            }
        }

        /* Modo escuro (opcional) */
        @media (prefers-color-scheme: dark) {
            :root {
                --white: #1a1a1a;
                --black: #ffffff;
                --gray-light: #2d2d2d;
                --gray-dark: #f8f9fa;
            }
        }