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

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f5f5f5;  /* Light neutral */
    color: #111;
    line-height: 1.6;
}

main {
    max-width: 1100px;
    margin: 1.5rem auto 2rem;
    padding: 0 1rem;
}

.intro {
    margin-bottom: 1.5rem;
}

.intro h2 {
    margin-bottom: 0.5rem;
    color: #b11226; /* Miami Red */
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-box {
    background-color: #ffffff;
    border-radius: 6px;
    padding: 1rem;
    border: 2px solid #000000; /* Black */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

.feature-box h3 {
    margin-bottom: 0.5rem;
    color: #b11226; /* Miami Red */
}

.class-link {
    background-color: #ffffff;
    border-radius: 6px;
    padding: 1rem;
    border: 2px solid #000000;
}

.class-link a {
    color: #b11226;
    text-decoration: none;
    font-weight: bold;
}

.class-link a:hover {
    text-decoration: underline;
}

.site-footer {
    background-color: #000000;
    color: #ffffff;
    text-align: center;
    padding: 0.75rem 0.5rem;
}


.main-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.main-nav a {
    display: block;
    padding: 0.5rem 0.9rem;
    text-decoration: none;
    color: #ffffff;
    background-color: #000000;
    border-radius: 4px;
    font-size: 0.95rem;
    border: 2px solid #b11226;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: #b11226;  /* Miami Red */
    color: #ffffff;
}


.feature-link {
    text-decoration: none;
    color: inherit;
}

.feature-link .feature-box {
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.feature-link:hover .feature-box {
    box-shadow: 0 5px 10px rgba(177, 18, 38, 0.4);
    transform: translateY(-3px);
}


@media (max-width: 800px) {
    .features {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 550px) {
    .features {
        grid-template-columns: 1fr;
    }

    main {
        padding: 0 0.75rem;
    }
}