/* Variáveis de Cores (Paleta fornecida e tons de apoio) */
:root {
    --color-teal: #236D75;
    --color-green: #4D8329;
    --color-blue: #1B6790;
    --color-light: #f9f9f9;
    --color-dark: #333333;
    --color-white: #ffffff;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px; /* Compensa a altura do menu fixo */
}

/* Reset Básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

section[id] {
    scroll-margin-top: 80px;
}


.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

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

/* Navegação */
.navbar {
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

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

/* Estilos da Imagem do Logo */
.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    max-height: 60px; /* Controla a altura máxima do logo no cabeçalho */
    width: auto;      /* Mantém a proporção da imagem */
    display: block;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-teal);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--color-green);
}

.btn-nav {
    background-color: var(--color-green);
    color: var(--color-white) !important;
    padding: 8px 16px;
    border-radius: 4px;
}

.btn-nav:hover {
    background-color: var(--color-teal);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-teal), var(--color-blue));
    color: var(--color-white);
    padding: 100px 0;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s, transform 0.2s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
}

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

.btn-primary:hover {
    background-color: #3e6a21; /* Tom mais escuro do verde */
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-teal);
    border: 2px solid var(--color-teal);
    margin: 10px;
}

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

.btn-block {
    display: block;
    width: 100%;
}

/* Seções Gerais */
.section {
    padding: 80px 0;
}

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

.section-title {
    text-align: center;
    color: var(--color-blue);
    font-size: 2.2rem;
    margin-bottom: 40px;
}

/* Grid de Soluções */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-top: 4px solid var(--color-green);
    text-align: center;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px auto;
}

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

/* Formulário de Contato */
.form-container {
    max-width: 600px;
}

.contact-form {
    margin-top: 30px;
    background: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

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

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-teal);
    font-weight: 500;
}

.input-group input, 
.input-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

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

/* Rodapé */
footer {
    background-color: var(--color-teal);
    color: var(--color-white);
    padding: 20px 0;
}

/* Responsividade Básica */
@media (max-width: 768px) {
    .flex-nav {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        flex-direction: column;
        width: 100%;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
}

/* Estilo do botão de Acesso Cliente (Outline) */
.btn-nav-outline {
    color: var(--color-blue) !important;
    border: 2px solid var(--color-blue);
    padding: 6px 14px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 5px;
}

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

section[id] {
    scroll-margin-top: 80px;
}

/* Animação suave para o preenchimento líquido dos silos */
.liquid-fill {
    transition: height 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}