body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f3f6fa;
    color: #222;
}

header {
    background: #2e3c64;
    padding: 15px 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header .logo {
    color: #fff;
    font-weight: bold;
    font-size: 20px;
}

header nav a {
    color: #e6e6e6;
    text-decoration: none;
    margin-left: 20px;
}

.hero {
    background: #43558b;
    color: white;
    padding: 60px;
    text-align: center;
}

.content {
    padding: 40px;
}

.cards {
    display: flex;
    gap: 25px;
}

.card {
    background: white;
    padding: 15px;
    width: 30%;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.card .thumb {
    width: 100%;
    height: 140px;
    background: #d0d6e6;
    border-radius: 6px;
}

footer {
    margin-top: 40px;
    padding: 15px;
    background: #2e3c64;
    color: #bbb;
    text-align: center;
}