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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f2f6fa;
    color: #333;
}

header {
    text-align: center;
    background-color: #eae7d6;
    color: gray;
    padding: 40px 20px;
}

header h1 {
    font-size: 60px;
    margin-bottom: 10px;
}

nav {
    display: flex;
    justify-content: center;
    gap: 25px;
    background-color: #1d3c58;
    padding: 15px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #ffd166;
}

main {
    width: 90%;
    max-width: 1100px;
    margin: 30px auto;
}

section {
    margin-bottom: 40px;
}

.welcome {
    text-align: center;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
}

h2 {
    color: #1d4e89;
    margin-bottom: 20px;
    text-align: center;
}

.guide-container {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.guide-card {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 250px;
}

.guide-card h3 {
    color: #1d4e89;
    margin-bottom: 10px;
}

.guide-card ol,
.guide-card ul {
    padding-left: 25px;
}

footer {
    text-align: center;
    background-color: #13345d;
    color: white;
    padding: 20px;
    margin-top: 40px;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 30px;
    }

    nav {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    main {
        width: 95%;
    }
}