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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background: #333;
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.2rem;
}

.section {
    padding: 60px 0;
}

.bg-light {
    background: #f4f4f4;
}

.bg-dark {
    background: #333;
    color: #fff;
}

.cards {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    flex: 1;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.card p {
    font-size: 1rem;
    color: #555;
}

.responsive-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    background: #0056b3;
}

.hidden {
    display: none;
}

.footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}