:root {
    --teal500:  hsl(179, 62%, 43%);
    --green400: hsl(71, 73%, 54%);

    --teal100: hsl(204, 43%, 93%);
    --gray500: hsl(217, 100%, 89%);


    --karla: "Karla", sans-serif;

}

body {
    background-color: var(--teal100);
    margin: 0;

    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}

#card-box {
    border-radius: 12px;
    overflow: hidden;
    font-family: var(--karla);
    max-width: 700px;
    box-shadow: 0 25px 40px rgba(0, 0, 0, 0.1);
}

.top-half-box {
    display: block;
    background-color: white;
    padding: 1.7rem 4.22rem 2rem 2.5rem;
}

.top-half-box h2 {
    color: var(--teal500);
    font-weight: 700;
}

.top-half-box #green-text {
    color: var(--green400);
    font-weight: 600;
}

.top-half-box p {
    color: gray;
    font-weight: 400;
    font-size: 16px;
    opacity: 80%;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.bottom-half-box {
    display: flex;
}

.bottom-half-left-box {
    background-color: var(--teal500);
    width: 50%;
    padding: 2.3rem 2.5rem 2rem 2.5rem;
}

.bottom-half-left-box h3 {
    color: white;
    font-weight: 500;
    margin-bottom: 0;
}

.bottom-half-left-box #cost {
    display: flex;
    align-items: center;
    color: white;
    font-weight: 700;
    font-size: 2rem;
    margin-top: 1.2rem;
    gap: .8rem;
    margin-bottom: .5rem;
}

.bottom-half-left-box span {
    color: var(--gray500);
    font-weight: 300;
    font-size: 1rem;
    opacity: 80%;
}

.bottom-half-left-box #cost-description {
    color: white;
    font-weight: 300;
    font-size: .93rem;
    margin-top: 0;
    margin-bottom: 3rem;
}

.bottom-half-left-box a {
    text-decoration: none;
    color: white;
    background-color: var(--green400);
    padding: 1rem;
    display: flex;
    justify-content: center;
    border-radius: 8px;
    box-shadow: 0 25px 40px rgba(0, 0, 0, 0.1);

}

.bottom-half-left-box a:hover {
    background-color: hsl(71, 58%, 30%);
    transition: background-color .2s ease;
}
.bottom-half-right-box {
    background-color: var(--teal500);
    opacity: 78%;
    width: 50%;
    padding: 2rem 3rem 2rem 2.5rem;
}

.bottom-half-right-box h3 {
    color: white;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.bottom-half-right-box ul {
    padding-left: 0rem;
    text-decoration: none;
    list-style: none;
}

.bottom-half-right-box li {
    margin-bottom: 0.3rem;
}

.bottom-half-right-box a {
    font-weight: 300;
    color: white;
    opacity: 70%;
    text-decoration: none;
}

.bottom-half-right-box a:hover {
    color: darkblue;
    opacity: 90%;
    border-bottom: 1px solid black;
    transition: color .4s ease, border-bottom .4s;
}

@media (max-width: 600px) {
    .bottom-half-box {
        flex-direction: column;
    }

    .bottom-half-left-box,
    .bottom-half-right-box {
        width: 100%;
        box-sizing: border-box;
        padding: 1.8rem 1.5rem;
    }

    .bottom-half-left-box a {
        display: block;
        width: 100%;
        box-sizing: border-box;
        text-align: center;
        padding: 1rem 0;
        font-size: 1rem;
        font-weight: 700;
        border-radius: 6px;
        line-height: 1.2;
    }

    .bottom-half-left-box #cost-description {
        margin-bottom: 1.75rem;
    }
}







/* 
### Body Copy

- Font size: 16px

### Font

- Family: [Karla]
- Weights: 400, 700
*/