main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
}

main h1 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.3;
}

main h1::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    margin: 1rem auto 0;
    background: #89A02C;
    border-radius: 2px;
}

.card {
    background-color: white;
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
    padding: 1.5rem;
    margin-bottom: 24px;
    border: 3px solid #89A02C;
    border-radius: 14px;
    box-shadow: 0 8px 18px rgba(0,0,0,.12);
    break-inside: avoid;
    line-height: 1.6;
    transition: transform .2s ease, box-shadow .2s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(0,0,0,.15);
}

.card h2 {
    margin: 0 0 1rem;
    color: #89A02C;
    font-size: 1.3rem;
}

.cards {
    column-count: 3;
    column-width: 320px;
    column-gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

h1 {
    text-align: center;
}