/* 
 * Consensus Organização Contábil
 * Base CSS - Reset & Variables
 */

:root {
    /* Paleta de Cores - Horizonte Executivo */
    --color-primary: #003366; /* Deep Navy Blue */
    --color-secondary: #008080; /* Teal */
    --color-accent: #00CED1; /* Cyan Vibrante */
    --color-background: #F5F7FA; /* Cinza muito claro */
    --color-surface: #FFFFFF; /* Branco */
    --color-text: #333333; /* Cinza escuro */
    --color-text-light: #666666; /* Cinza médio */
    --color-success: #28a745;
    --color-error: #dc3545;

    /* Tipografia */
    --font-family-base: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-family-heading: 'Poppins', var(--font-family-base);

    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Bordas */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-pill: 50px;

    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
    --shadow-hover: 0 12px 24px rgba(0, 51, 102, 0.15);
}

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

body {
    font-family: var(--font-family-base);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* Utilitários */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--border-radius-pill);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

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

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

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

.btn-outline:hover {
    background-color: var(--color-secondary);
    color: var(--color-surface);
}

.section-padding {
    padding: var(--spacing-lg) 0;
}

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

h1 { font-size: 3.5rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 1.75rem; font-weight: 600; }
p { margin-bottom: var(--spacing-sm); }

/* Responsividade Básica */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .section-padding { padding: var(--spacing-md) 0; }
}