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

body {
    line-height: 1.6;
}

.container {
    width: 85%;
    margin: auto;
}

header {
    background: #0a1f44;
    color: white;
    padding: 15px 0;
}

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

.nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
}

.hero {
    background: linear-gradient(to right, #12326b, #0a1f44);
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.section {
    padding: 70px 0;
}

.grey {
    background: #f5f5f5;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: white;
    padding: 25px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

input, textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.btn {
    background: #ffb400;
    border: none;
    padding: 12px;
    cursor: pointer;
    border-radius: 5px;
}

.whatsapp {
    display: inline-block;
    margin-top: 20px;
    background: #25D366;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
}

footer {
    background: #0a1f44;
    color: white;
    text-align: center;
    padding: 20px;
}