/*  */
:root {
    --pg-clr1: black;
    --pg-clr2: white;
    --pg-clr3: #2076e1;
    --pg-clr4: #1e1e1e;
    --pg-clr5: rgb(90, 163, 192);
    --pg-clr6: darkblue;
    --pg-clr7: red;
}

.s1 {
    color: var(--pg-clr1);
    background-color: var(--pg-clr3);
    background-image: url("../img/cubes.png");
    padding: 5rem 0;
}

.s1-r1 {
    width: 90%;
    max-width: 80rem;
    margin-inline: auto;
}

.s1-r1-b1 {
    display: grid;
    grid-template-columns: 1fr;
}

.s1-r1-b1-c1--h1 {
    justify-self: center;
    font-size: 3rem;
    color: var(--pg-clr2);
    text-transform: capitalize;
    font-weight: 400;
}

@media (max-width: 50rem) {
    .s1 {
        padding: 3rem 0;
    }

    .s1-r1-b1-c1--h1 {
        font-size: 1.8rem;
    }
}

/*  */

.s2 {
    color: var(--pg-clr1);
    background-color: var(--pg-clr2);
}

.s2-r1 {
    width: 90%;
    max-width: 80rem;
    margin-inline: auto;

    position: relative;
    top: -2rem;

    display: grid;
    grid-template-columns: 1fr;
}

.s2-r1-b1 {
    justify-self: center;

    color: var(--pg-clr2);
    background-color: var(--pg-clr5);
    padding: 3rem;
}

.s2-r1-b1-c1--p {
    color: var(--pg-clr2);
    font-size: 1.5rem;
}

@media (max-width: 50rem) {
    .s2-r1-b1 {
        padding: 1rem;
    }

    .s2-r1-b1-c1--p {
        font-size: 1.2rem;
    }
}

/*  */

.s3 {
    color: var(--pg-clr1);
    background-color: var(--pg-clr2);

    padding-top: 1rem;
    padding-bottom: 3rem;
}

.s3-r1 {
    width: 50%;
    max-width: 80rem;
    margin-inline: auto;
}

.s3-r1-b1 {
    display: grid;
    /* grid-template-columns: repeat(auto-fit, minmax(250px, max-content)); */
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.s3-r1-b1-c1--div {
    display: grid;
    grid-template-columns: 1fr;
    gap: .5rem;
    grid-auto-rows: min-content;
}

.s3-r1-b1-c1--h2 {
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: var(--pg-clr4);
}

.s3-r1-b1-c1--a {
    font-size: 0.9rem;
    display: block;
    color: var(--pg-clr6);
    text-transform: uppercase;
    padding-bottom: 0.5rem;
}

.s3-r1-b1-c1--a:hover {
    color: var(--pg-clr7);
}

@media (max-width: 50rem) {
    .s3-r1 {
        width: 70%;
    }

    .s3-r1-b1 {
        grid-template-columns: 1fr;
    }

    .s3-r1-b1-c1--h2 {
        font-size: 1rem;
    }
}