main {
    max-width: 100%;
    margin: 0 auto;
    background: var(--color-secondary-lightest-gray);
    padding: 20px 0;
}

.introduction-div h2 {
    text-align: center;
    margin-bottom: 30px;
    font: var(--typography-title);
    color: var(--color-primary-black);
    padding-top: 30px;
}

.introduction-div {
    text-align: center;
    padding: 60px 20px;
    margin-bottom: 30px;
}

.introduction-div p {
    color: var(--color-primary-black);
    font: var(--typography-body);
    line-height: 1.5;
}

.introduction-div button {
    width: 150px;
    height: 50px;
    color: var(--color-primary-white);
    background-color: var(--color-secondary-dark-gray-top);
    margin-top: 40px;
    border: none;
    font-size: 1.1em;
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease-out, transform 0.3s ease-out;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.kits-biomacare {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    padding: 20px;
}

.kits-biomacare>div:first-child {
    width: 100%;
    text-align: center;
    margin-bottom: 20px;
}

.kits-biomacare h2 {
    font: var(--typography-subtitle);
    font-size: 2em;
    color: var(--color-primary-black);
}

.card-kit {
    width: 300px;
    background-color: var(--color-primary-white);
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
    padding-bottom: 10px;
}

.card-kit:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.card-kit h3 {
    font-size: 1.5em;
    color: var(--color-primary-black);
    margin-top: 10px;
    margin-bottom: 5px;
}

.card-kit p:nth-of-type(1) {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--color-secondary-purple-top);
    margin-bottom: 8px;
}

.card-kit p:nth-of-type(2) {
    font: var(--typography-body);
    font-weight: var(--font-weight-semibold);
    color: var(--color-secondary-dark-brown-top);
    margin-bottom: 10px;
}

.card-kit p:nth-of-type(2) span {
    font-weight: bold;
    color: var(--color-primary-green-gray);
}