/* base.css - Estilos globais e reset */

:root {
    --color-primary: #0077B6;
    --color-secondary: #00B4D8;
    --color-background: #F8F9FA;
    --color-text: #212529;
    --color-highlight: #90E0EF;
    --color-footer-text: rgba(33, 37, 41, 0.6); /* Texto opaco para o rodapé */
}

/* Reset básico */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    line-height: 1.5;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5em;
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Layout e Responsividade */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.section {
    padding: 4rem 0;
}

/* Grid Básico (Flexbox) */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -1rem;
    margin-right: -1rem;
}

.col {
    padding-left: 1rem;
    padding-right: 1rem;
}

.col-12 { width: 100%; }
.col-md-6 {
    width: 100%;
}

@media (min-width: 768px) {
    .col-md-6 {
        width: 50%;
    }
    .col-md-4 {
        width: 33.3333%;
    }
}

/* Imagens */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilitários */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }