@charset "UTF-8";

:root {
    --height_header: 8rem;
    --height_footer: 3rem;
    --height_main: calc(100vh - var(--height_header) - var(--height_footer));

    --temp_animacao: .8s;
}

body {
    margin: 0px;
    padding: 0px;
    background-color: rgb(10, 67, 137);
    text-align: center;
    font-variant: small-caps;
}

header {
    display: grid;
    min-height: var(--height_header);
    place-items: center;
    width: 100%;
}

h1 {
    color: white;
    margin: 1rem 1rem;
    text-shadow: 3px 3px 0px black;
    font-size: 2rem;
    font-family: 'Courier New', Courier, monospace;
}

main {
    display: flex;
    width: 100%;
    min-height: var(--height_main);
    justify-content: space-evenly;
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;
    margin: auto;
}

div {
    width: 100%;
    margin: 0;
    padding: 0;
}

div>div {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    flex-wrap: nowrap;
}

ul {
    margin: 2rem 5rem 3rem 0;
}

li {
    font-size: 1.2rem;
}

/*caixas que vão para o lado*/

ul#to_side {
    position: relative;
    transform: skewY(20deg);
    --p_ts: 1
}

ul#to_side li {
    position: relative;
    list-style: none;
    padding: 10px;
    background-color: rgb(234, 234, 234);
    border: 1px solid;
    z-index: calc(1 * var(--p_ts));
    transition: .5s;
}

ul#to_side li::before {
    content: "";
    position: absolute;
    top: -26px;
    right: -61px;
    width: 60px;
    height: 100%;
    background-color: rgb(199, 199, 199);
    transform: skewY(-40deg);
    border: 1px solid;
    transition: .5s;
    transform-origin: top;
}

ul#to_side li::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 50px;
    background-color: rgb(255, 255, 255);
    top: -52px;
    right: -31px;
    transform: skewX(-50deg);
    border: 1px solid;
    transition: .5s;
    transform-origin: right;
}

ul#to_side li:hover {
    transform: translateX(-30px);
}

/*caixas que vão para a frente*/

ul#to_front {
    position: relative;
    transform: skewY(20deg);
    --p_tf: 1
}

ul#to_front li {
    position: relative;
    list-style: none;
    padding: 10px;
    background-color: rgb(234, 234, 234);
    border: 1px solid;
    z-index: calc(1 * var(--p_tf));
    transition: .5s;
}

ul#to_front li::before {
    content: "";
    position: absolute;
    top: -26px;
    right: -61px;
    width: 60px;
    height: 100%;
    background-color: rgb(199, 199, 199);
    transform: skewY(-40deg);
    border: 1px solid;
    transition: .5s;
    transform-origin: top;
}

ul#to_front li::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 50px;
    background-color: rgb(255, 255, 255);
    top: -52px;
    right: -31px;
    transform: skewX(-50deg);
    border: 1px solid;
    transition: .5s;
    transform-origin: right;
}

ul#to_front li:hover {
    transform: translate(-30px, 25px);
}

/* footer */

footer {
    display: grid;
    min-height: var(--height_footer);
    width: 100%;
    place-items: center;
}

p {
    color: white;
    font-weight: 900;
    text-shadow: 1px 1px 0px black;
    letter-spacing: 2px;
    font-size: 1rem;
}

span {
    display: inline-block;
    animation: onda var(--temp_animacao) linear infinite paused
}

footer:hover span {
    animation-play-state: running;
}

footer p span:nth-child(1) {
    animation-delay: calc(1 / 15*var(--temp_animacao))
}

footer p span:nth-child(2) {
    animation-delay: calc(2 / 15*var(--temp_animacao))
}

footer p span:nth-child(3) {
    animation-delay: calc(3 / 15*var(--temp_animacao))
}

footer p span:nth-child(4) {
    animation-delay: calc(4 / 15*var(--temp_animacao))
}

footer p span:nth-child(5) {
    animation-delay: calc(5 / 15*var(--temp_animacao))
}

footer p span:nth-child(6) {
    animation-delay: calc(6 / 15*var(--temp_animacao))
}

footer p span:nth-child(7) {
    animation-delay: calc(7 / 15*var(--temp_animacao))
}

footer p span:nth-child(8) {
    animation-delay: calc(8 / 15*var(--temp_animacao));
    width: 1ch
}

footer p span:nth-child(9) {
    animation-delay: calc(9 / 15*var(--temp_animacao))
}

footer p span:nth-child(10) {
    animation-delay: calc(10 / 15*var(--temp_animacao))
}

footer p span:nth-child(11) {
    animation-delay: calc(11 / 15*var(--temp_animacao))
}

footer p span:nth-child(12) {
    animation-delay: calc(12 / 15*var(--temp_animacao))
}

footer p span:nth-child(13) {
    animation-delay: calc(13 / 15*var(--temp_animacao))
}

footer p span:nth-child(14) {
    animation-delay: calc(14 / 15*var(--temp_animacao))
}

footer p span:nth-child(15) {
    animation-delay: calc(15 / 15*var(--temp_animacao))
}


@keyframes onda {
    30% {
        transform: translateY(.3rem);
    }

    70% {
        transform: translateY(-.3rem)
    }
}

@media (max-width: 300px) {
    div>div {
        flex-wrap: wrap;
    }
}