body {
    max-width: 1000px;
    margin: 0 auto;
    padding: 24px;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo h1 {
    font-size: 1.8rem;
}

h2 {
    max-width: 500px;
    margin: 80px auto 40px;
    text-align: center;
    font-size: 4.8rem;
    font-weight: 600;
}

textarea {
    width: 100%;
    min-height: 200px;
    padding: 24px;
    border-radius: 8px;
    background-color: #22222B;
    resize: vertical;
}

footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox input {
    width: 16px;
    height: 16px;
}

strong {
    font-weight: 600;
}

.cards {
    display: flex;
    align-items: stretch;
    gap: 24px;
    margin-top: 40px;
}

.cards article {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
    padding: 24px;
    border-radius: 8px;
}

.cards article p {
    color: #11151B;
}

.cards article p:first-child {
    font-size: 4.8rem;
    font-weight: 500;
}

.cards .chars {
    background-color: #D3A0FA;
}

.cards .words {
    background-color: #F69F00;
}

.cards .sentences {
    background-color: #F3805A;
}

@media (max-width: 650px) {
    .cards {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 500px) {
    footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 16px;
    }
}