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

body {
    background-color: #f4f4f9;
    padding-top: 70px; /* Espaço para a navbar fixa */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background-color: #000;
    color: #fff;
    height: 60px;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    z-index: 1000;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-login, .btn-user {
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid #fff;
    border-radius: 4px;
    transition: 0.3s;
}

.btn-login:hover {
    background-color: #fff;
    color: #000;
}

/* Cards */
.content {
    flex: 1;
    text-align: center;
    padding: 40px 20px;
}

.card-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    width: 250px;
    padding: 20px;
    text-decoration: none;
    color: #333;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    margin-bottom: 10px;
    color: #000;
}

/* Footer */
.footer {
    background-color: #222;
    color: #aaa;
    text-align: center;
    padding: 15px 0;
    font-size: 0.9rem;
}