body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 16px;
    text-align: center;
    line-height: 1.45;
    color: #222;
    background: radial-gradient(circle, #fffd74 30%, #667eea 70%);
    padding: 16px;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, #2140ca 30%, #4abdd1 70%);
    padding: 12px;
    border-radius: 6px;
}

.logo {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
}

.hero-image {
    width: 100%;
    max-width: 480px;
    /* limits size for fullscreen */
    height: auto;
    display: block;
    margin: 12px auto;
    /* centers the image and separates from text */
    border-radius: 8px;
    /* rounded corners */
}

/* removes dots and turns list horizontal */
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 10px;
    align-items: center;
}

/* styles links in nav */
.main-nav a {
    color: #fff;
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 4px;
}

ol {
    text-align: center;
    list-style-position: inside;
}

ul {
    text-align: center;
    list-style-position: inside;
}

/* styles color while hovering over button */
.main-nav a:hover {
    background: rgba(124, 124, 124, 0.137);
}

main {
    max-width: 1000px;
    margin-top: 18px;
    text-align: center;
    background: rgba(255, 255, 255, 0.363);
    /* last number (alpha channel) controls transparency */
    padding-top: 24px;
    padding-bottom: 24px;
    padding-left: 500px;
    padding-right: 500px;
    border-radius: 8px;
    margin: 18px auto;
}

h1 {
    font-size: 1.8;
    margin-bottom: 8px;
    color: #0e2433;
}

h2 {
    font-size: 1.25;
    margin-top: 14px;
    margin-bottom: 8px;
}

p {
    margin-bottom: 12px;
    color: #000000;
}

footer {
    margin-top: 24px;
    font-size: 0.95;
    color: #5b6670;
    text-align: center;
}

/* Mobile Optimization */
@media (max-width: 420px) {
    body {
        padding: 10px;
    }

    .logo {
        font-size: 0.95rem;
    }

    .main-nav a {
        padding: 10px;
        font-size: 0.95rem;
    }

    table th,
    table td {
        padding: 8px;
        font-size: 0.9rem;
    }

    main {
        padding-left: 10px;
        padding-right: 10px;
    }
}