* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #f4f6f8;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

header {
    background: #0a2c6b;
    padding: 15px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 60px;
}

nav a {
    color: #fff;
    margin-left: 20px;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    background: linear-gradient(135deg, #0a2c6b, #0d47a1);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    background: #ff9800;
    color: #000;
    padding: 12px 25px;
    margin-top: 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.whatsapp {
    background: #25d366;
    color: #fff;
}

.sobre, .container h2 {
    margin: 50px auto 20px;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.lista-cursos {
    list-style: none;
    text-align: center;
    margin: 30px 0;
}

.lista-cursos li {
    padding: 10px;
    font-size: 18px;
}

footer {
    background: #0a2c6b;
    color: #fff;
    text-align: center;
    padding: 15px;
    margin-top: 50px;
}