body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f7f7f7;
}

.navbar {
    background: #19c5b4;
    padding: 15px 0;
    display: flex;
    justify-content: center;
    gap: 60px;
}

.navbar a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
}

h1 {
    text-align: center;
    margin-top: 30px;
    font-size: 32px;
    font-weight: bold;
}

.grid {
    width: 90%;
    margin: 30px auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.card {
    background: #f7f7f7;
    border: 2px solid #d3d3d3;
    padding: 15px;
    border-radius: 4px;
}

.card h2 {
    text-align: center;
    margin-top: 5px;
}


.span-3 {
    grid-column: span 3;
}

.span-2 {
    grid-column: span 2;
}

.tall {
    height: 200px;
}

.taller {
    height: 260px;
}

.footer {
    background-color: #7ee6e6;
    padding: 40px 20px;
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    text-align: left;
    font-family: Arial, sans-serif;
    margin-top: auto;
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-column h3 {
    margin-bottom: 10px;
    font-weight: bold;
}

.footer-column a {
    color: #5a4bcf;
    text-decoration: none;
    margin: 4px 0;
}

.footer-column a:hover {
    text-decoration: underline;
}

.footer-column p {
    margin: 6px 0;
}