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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* Variáveis CSS */
:root {
    --primary-color: #1e40af;
    --secondary-color: #dc2626;
    --accent-color: #059669;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --radius: 0.5rem;
}

/* Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.navbar a {
    color: var(--text-dark);
    text-decoration: none;
    margin: 0 1rem;
    transition: var(--transition);
}

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

/* Botões */
.button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
}

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

/* Seções */
section {
    padding: 4rem 0;
}

/* Títulos */
h1, h2, h3, h4, h5 {
    margin-bottom: 1rem;
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Formulários */
form input, form textarea, form select {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
}

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

/* Responsividade */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar a {
        margin: 0.5rem 0;
    }

    html {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
}