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

body {
    color: #333;
    background: #f9f9f9;
    line-height: 1.6;
}

header {
    background: #222;
    color: #fff;
    padding: 15px 0;
}

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

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #ffcc00;
}

.hero {
    background: linear-gradient(to right, #ffcc00, #ff8800);
    color: #fff;
    text-align: center;
    padding: 100px 20px;
}

.hero h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.hero .btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background: #222;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}

.section {
    padding: 50px 20px;
    text-align: center;
}

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

.card {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

footer {
    text-align: center;
    background: #222;
    color: #fff;
    padding: 15px 0;
    margin-top: 30px;
}