/* Variáveis de Cores e Estilo (Paleta Azul Profissional) */
:root {
    --blue-primary: #1976D2; /* Azul Principal */
    --blue-dark: #0D47A1;    /* Azul Escuro */
    --brown-accent: #795548; /* Marrom mantido para detalhes rurais */
    --light-bg: #F9FAFB;
    --white: #FFFFFF;
    --text-dark: #333333;
    --text-muted: #666666;
    --radius: 12px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* Reset Básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.bg-light {
    background-color: var(--light-bg);
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: var(--blue-dark); /* Alterado para Azul Escuro */
    margin-bottom: 40px;
}

/* Cabeçalho */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--blue-primary); /* Alterado para Azul Principal */
}

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

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

/* =========================================
   ESTILOS DO MENU (O AJUSTE MÁGICO AQUI)
   ========================================= */

/* Prepara a cama para o quadrado aparecer em TODOS os links */
.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    padding: 8px 16px; /* Dá o espaço para o quadrado se formar */
    border-radius: 8px;
    border: 2px solid transparent; /* O quadrado está lá, mas invisível */
    transition: all 0.3s ease;
}

/* Acende o quadrado azul quando passa o mouse em qualquer item */
.nav-links a:hover {
    color: var(--blue-primary);
    border: 2px solid var(--blue-primary); /* Acende a borda azul */
}

/* ANULA o quadrado fixo do botão de Contato para que ele não fique "preso" aceso */
.nav-links a.btn-outline {
    border: 2px solid transparent !important; /* Esconde a borda original da classe */
    background-color: transparent !important;
    color: var(--text-dark) !important; /* Iguala a cor com os outros textos */
}

/* Faz o botão de Contato acender igual aos outros quando passa o mouse */
.nav-links a.btn-outline:hover {
    color: var(--blue-primary) !important;
    border: 2px solid var(--blue-primary) !important; /* Acende a borda azul */
}

/* ========================================= */

/* Botões Gerais da Página */
.btn-primary, .btn-secondary, .btn-outline, .btn-whatsapp {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--blue-dark);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--blue-primary);
}

.btn-outline {
    border: 2px solid var(--blue-primary);
    color: var(--blue-primary) !important;
}

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

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
    margin-top: 20px;
}

/* Banner Principal (Hero) */
.hero {
    background: linear-gradient(rgba(25, 118, 210, 0.8), rgba(13, 71, 161, 0.8)), url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

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

.card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
    border-bottom: 4px solid var(--blue-primary);
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

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

a.link-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.btn-small {
    margin-top: 20px;
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Sobre Nós */
.about-container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text, .about-image {
    flex: 1;
}

.values-list {
    list-style: none;
    margin-top: 20px;
}

.values-list li {
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--brown-accent);
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--blue-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

/* Contato */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input, .contact-form textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--blue-primary);
}

/* Rodapé */
footer {
    background-color: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 20px 0;
}

/* =========================================
   SISTEMA DE PRODUTOS (AGRO E PET)
   ========================================= */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.product-item {
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    background: #fff;
    transition: 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-img {
    width: 100%;
    height: 160px;
    background-color: #f0f2f5;
    border-radius: 8px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
    font-size: 0.9rem;
}

/* Busca Inteligente */
.search-container {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    padding: 0 20px;
}

#searchInput {
    width: 100%;
    max-width: 600px;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

#searchInput:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.15);
}

/* Paginação */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 50px;
}

.pagination button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--blue-primary);
    background-color: transparent;
    color: var(--blue-primary);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination button:hover {
    background-color: rgba(25, 118, 210, 0.1);
}

.pagination button.active {
    background-color: var(--blue-primary);
    color: var(--white);
    box-shadow: 0 4px 8px rgba(25, 118, 210, 0.3);
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .about-container, .contact-grid {
        flex-direction: column;
    }
}