/* Estilos gerais */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #1abc9c;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --text-color: #333;
    --card-bg: #fff;
    --header-bg: linear-gradient(135deg, #3498db, #2c3e50);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f8f9fa;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background: var(--header-bg);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

header h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 400;
}

header .subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
}

/* Navigation */
#main-nav {
    background-color: var(--secondary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

#menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 1rem;
}

#menu {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-x: auto;
}

#menu li {
    flex-shrink: 0;
}

#menu a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 1rem;
    transition: var(--transition);
}

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

/* Main content */
main {
    padding: 2rem 0;
}

section {
    margin-bottom: 3rem;
    scroll-margin-top: 4rem;
}

section h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

section h3 {
    color: var(--dark-color);
    margin: 1.5rem 0 1rem;
}

section h4 {
    color: var(--primary-color);
    margin: 1rem 0 0.5rem;
}

section p {
    margin-bottom: 1rem;
    text-align: justify;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card h4 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 1rem;
}

.card ul {
    list-style-position: inside;
    padding-left: 0;
}

.card li {
    margin-bottom: 0.5rem;
}

/* Grid layout for profiles */
.profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Lists */
ul, ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border: 1px solid #ddd;
}

th {
    background-color: var(--light-color);
    color: var(--dark-color);
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

footer p {
    margin-bottom: 0.5rem;
}

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    header h2 {
        font-size: 1.5rem;
    }
    
    #menu-toggle {
        display: block;
    }
    
    #menu {
        display: none;
        flex-direction: column;
        width: 100%;
    }
    
    #menu.active {
        display: flex;
    }
    
    .profiles-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility classes */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 1rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.highlight {
    background-color: rgba(26, 188, 156, 0.1);
    padding: 1rem;
    border-left: 4px solid var(--accent-color);
    margin-bottom: 1.5rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeIn 0.5s ease-out;
}