/* header1 */
.h1 {
    z-index: 99;
}

:root {
    --pg-clr1: black;
    --pg-clr2: white;
    --pg-clr3: #2076e1;
    --pg-clr4: gold;
    --pg-clr5: #16a085;
    --pg-clr6: #7D8A2E;
    --pg-clr7: #723147;
    --pg-clr8: #F1C40F;
    --pg-clr9: rgba(255, 255, 255, 0.747);
    --pg-clr10: #353535;
}

.s1 {
    color: var(--pg-clr1);
    background-color: var(--pg-clr3);
    background-image: url("../img/cubes.png");
    padding: 7rem 0;
}

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

.s1-r1-b1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
}

.s1-r1-b1-c1--p {
    justify-self: center;
    text-align: center;
    font-size: 1.4rem;
    color: var(--pg-clr2);
}

.s1-r1-b1-c1--spn {
    display: inline-block;
    width: 3rem;
    height: .5rem;
    border-top: 3px solid var(--pg-clr4);
    margin: 0 1rem;
}

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

.s1-r1-b1-c2--p {
    justify-self: center;
    text-align: center;
    line-height: 1.4;
    font-size: 2rem;
    color: var(--pg-clr2);
}

/*  */

.s1-r1-b1-c1--div {
    justify-self: center;

    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.s1-r1-b1-c1--a {
    border-radius: 3px;
    font-weight: 500;
    letter-spacing: 0.05rem;
    padding: 1rem;
    text-transform: uppercase;
    font-size: 1.2rem;
    color: var(--pg-clr9);
    border: 1px solid var(--pg-clr9);
    transition: all 0.3s ease;
}

.s1-r1-b1-c1--a:hover {
    color: var(--pg-clr2);
    border: 1px solid var(--pg-clr2);
}

.s1-r1-b1-c1--bi {
    padding-right: .5rem;
}

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

    .s1-r1-b1-c1--p {
        font-size: 1rem;
    }

    .s1-r1-b1-c1--spn {
        width: 1rem;
    }

    .s1-r1-b1-c1--h1 {
        font-size: 1.5rem;
    }

    .s1-r1-b1-c2--p {
        line-height: 1.2;
        font-size: 1.2rem;
    }

    .s1-r1-b1-c1--a {
        font-size: 1rem;
        padding: .5rem;
    }
}

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

    margin: 3rem 0;
    padding: 2rem 0;
}

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

.s2-r1-b1 {
    display: grid;
    grid-template-columns: 1fr;
}

.s2-r1-b1-c1--h2 {
    justify-self: center;
    color: var(--pg-clr1);
    font-size: 1.8rem;
    letter-spacing: 0.02rem
}

.s2-r1-b1-c1--div {
    justify-self: center;
    width: 10vw;
    border-top: 3px solid var(--pg-clr5);
    margin: 3rem 0;
}

.s2-r2 {
    width: 90%;
    max-width: 80rem;
    margin-inline: auto;

    margin-top: 3rem;
    margin-bottom: 3rem;
}

.s2-r2-b1 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3rem;
}

.s2-r2-b1-c1--div {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: min-content;

    gap: 2.5rem;
}

.s2-r2-b1-c1--bi {
    justify-self: center;
    font-size: 5rem;

    height: 10rem;
    width: 10rem;
    border-radius: 50%;

    padding-top: 2.2rem;
    text-align: center;
}

.s2-r2-b1-c2--bi {
    color: var(--pg-clr2);
    background-color: var(--pg-clr6);
}

.s2-r2-b1-c3--bi {
    color: var(--pg-clr2);
    background-color: var(--pg-clr7);
}

.s2-r2-b1-c4--bi {
    color: var(--pg-clr2);
    background-color: var(--pg-clr8);
}

.s2-r2-b1-c1--h3 {
    justify-self: center;
    text-transform: capitalize;
    letter-spacing: 0.05rem;
    font-size: 1.5rem;
}

.s2-r2-b1-c1--p {
    justify-self: center;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.2em;
    color: var(--pg-clr10);
}

@media (max-width: 50rem) {
    .s2 {
        margin: 1rem 0;
    }

    .s2-r1-b1-c1--h2 {
        font-size: 1.2rem;
    }

    .s2-r1-b1-c1--div {
        margin: 1rem 0;
    }

    .s2-r2 {
        margin-top: 2rem;
        margin-bottom: 0;
    }

    .s2-r2-b1 {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .s2-r2-b1-c1--div {
        gap: 1rem;
    }

    .s2-r2-b1-c1--bi {
        font-size: 2rem;
        height: 5rem;
        width: 5rem;
        padding-top: 1.4rem;
    }

    .s2-r2-b1-c1--h3 {
        font-size: 1.2rem;
    }
}

.s3 {
    background-image: url("../img/cal.jpg");
    background-position: bottom;
    background-size: cover;
    /* background-attachment: fixed; */
    background-repeat: no-repeat;
}

.s3-r1 {
    width: 90%;
    max-width: 80rem;
    margin-inline: auto;

    text-align: center;
    padding: 4rem 1rem;
}

.s3-r1-b1-c1--h2 {
    color: var(--pg-clr2);
    font-size: 3rem;
    padding-bottom: 1rem;
}

.s3-r1-b1-c1--p {
    color: var(--pg-clr2);
    font-size: 1.5rem;
}

.s3-r1-b1-c1--a {
    color: var(--pg-clr2);
    font-size: 1rem;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 1rem;
    border-radius: 15px;
    letter-spacing: 0.05rem;
    color: var(--pg-clr9);
    border: 1px solid var(--pg-clr9);
    transition: all 0.3s ease;
}

.s3-r1-b1-c1--a:hover {
    border: 1px solid var(--pg-clr2);
    color: var(--pg-clr2);
}

@media (max-width: 50rem) {
    .s3-r1 {
        padding: 2rem 1rem;
    }

    .s3-r1-b1-c1--h2 {
        font-size: 1.5rem;
    }

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

    .s3-r1-b1-c1--a {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
}

.s4 {
    color: var(--pg-clr1);
    background-color: var(--pg-clr2);

    margin: 3rem 0;
    padding: 2rem 0;
}

.s4-r1 {
    width: 90%;
    max-width: 80rem;
    margin-inline: auto;
}

.s4-r1-b1 {
    display: grid;
    grid-template-columns: 1fr;
}

.s4-r1-b1-c1--h2 {
    justify-self: center;
    color: var(--pg-clr1);
    font-size: 1.8rem;
    letter-spacing: 0.02rem
}

.s4-r1-b1-c1--div {
    justify-self: center;
    width: 10vw;
    border-top: 3px solid var(--pg-clr5);
    margin: 3rem 0;
}

/*  */

.s4-r2 {
    width: 90%;
    max-width: 80rem;
    margin-inline: auto;

    margin-top: 3rem;
}

.s4-r2-b1 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3rem;
}

.s4-r2-b1-c1--div {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: min-content;

    gap: 2.5rem;
}

.s4-r2-b1-c2--div {
    position: relative;
    overflow: hidden;
}

.s4-r2-b1-c1--img {
    max-width: 100%;
    transition: all .4s ease-in-out;
    vertical-align: bottom;
}

.s4-r2-b1-c2--div:hover .s4-r2-b1-c1--img {
    transform: scale(1.2);
    filter: brightness(.5);
}

.s4-r2-b1-c3--div {
    position: absolute;
    text-align: center;
    padding-left: 1rem;
    padding-right: 1rem;
    width: 100%;
    top: 50%;
    left: 50%;
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease-in-out;
}

.s4-r2-b1-c2--div:hover .s4-r2-b1-c3--div {
    top: 50%;
    left: 50%;
    opacity: 1;
}

.s4-r2-b1-c2--p {
    color: var(--pg-clr2);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.15rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.s4-r2-b1-c3--p {
    color: var(--pg-clr2);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.fadeIn-bottom {
    top: 80%;
}

.fadeIn-top {
    top: 20%;
}

.fadeIn-left {
    left: 20%;
}

.fadeIn-right {
    left: 80%;
}

/*  */

.s4-r2-b1-c1--h3 {
    text-transform: capitalize;
    letter-spacing: 0.05rem;
    font-size: 1.5rem;
}

.s4-r2-b1-c1--p {
    color: var(--pg-clr10);
    font-size: 1.1rem;
    line-height: 1.2em;
}

/*  */
.s4-r3 {
    width: 90%;
    max-width: 80rem;
    margin-inline: auto;

    margin-top: 4rem;
    margin-bottom: 11px;
}

.s4-r3-b1 {
    display: grid;
    grid-template-columns: 1fr;
}

/*  */
.s4-r3-b1-c1--a {
    justify-self: center;

    border-radius: 3px;
    font-weight: 700;
    letter-spacing: 0.05rem;
    padding: 1rem;
    text-transform: uppercase;
    font-size: 1rem;
    color: var(--pg-clr1);
    border: 2px solid var(--pg-clr1);
    transition: background-color 400ms ease, color 400ms ease;
}

.s4-r3-b1-c1--a:hover {
    background-color: var(--pg-clr1);
    color: var(--pg-clr2);
}

@media (max-width: 50rem) {
    .s4 {
        margin: 0;
        padding: 2rem 0;
    }

    .s4-r1-b1-c1--h2 {
        font-size: 1.2rem;
        letter-spacing: 0.01rem
    }

    .s4-r1-b1-c1--div {
        margin: 1rem 0;
    }

    .s4-r2 {
        margin-top: 1rem;
    }

    .s4-r2-b1 {
        grid-template-columns: 1fr;
    }

    .s4-r2-b1-c1--h3 {
        font-size: 1.2rem;
    }

    .s4-r3-b1-c1--a {
        padding: .5rem;
        font-size: .8rem;
    }
}

/*  */