/*primeira pagina/geral*/

*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


body {
    margin: 0;
    background-color: #242424;
    color: white;
}

strong {
    color: #3CB371;
}

.container {
    position: relative;
    display: grid;
    height: clamp(100vh, 100vh, 400vh);
    grid-template-columns: 0.4fr 3fr 1fr 0.4fr;
    grid-template-rows: 0.3fr 4fr 0.4fr;
    grid-template-areas:
        "header header header img"
        "main main main img"
        "footer footer footer footer"
}


header {
    grid-area: header;
    background: #0D0D0D;
    font-family: "Oswald", sans-serif;
    display: flex;
}

header p {
    font-size: 1.5rem;
    align-self: center;
    margin-right: auto;
    margin-left: 1em;
}

header nav {
    align-self: center;
}

header ul {
    list-style: none;
    display: flex;
}

header li {
    display: flex;
}

header a {
    font-size: 1.1rem;
    display: flex;
    text-decoration: none;
    color: white;
    transition: background-color 0.2s ease;
    padding: 1em 2em;
}

header a:hover {
    background-color: rgb(255, 255, 255, 0.5);
}

.linkAtual {
    border-bottom: solid 1px #DBDBDB;
}

#navAbrir {
    display: none;
    background: none;
    border: none;
    padding: 1em;
    margin-left: auto;
    cursor: pointer;
}

#navFechar {
    display: none;
    background: none;
    border: none;
    padding: 1em;
    cursor: pointer;
}



main {
    grid-area: main;
    font-size: clamp(1rem, 1.2vw, 2rem);
}

.title {
    margin: 10px;
    font-family: "Montserrat", sans-serif;
    text-align: center;
}

.title h1{
    font-size: clamp(3rem, 4.3vw, 5rem);
    font-weight: 500;
}
.title h2{
    font-size: clamp(1.5rem, 1.7vw, 2.5rem);
    font-weight: 300;
}

main article {
    margin: 3em 2em;
}

main article p {
    text-align: justify;
    margin-bottom: 1em;
}

#principal {
    font-family: "Inter", sans-serif;
}

#principal a {
    color: #DBDBDB;
}

.destaque h2 {
    font-size: clamp(1.5rem, 1.7vw, 2.5rem);
    font-weight: 500;
    text-align: center;
    margin-bottom: 0.8rem;
    font-family: "Montserrat", sans-serif;
}

#listaTemas {
    display: grid;
    grid-template-columns: 2fr 1fr;
    margin-top: 1rem;
    background-color: #0D0D0D;
    border-radius: 10px;
    padding: 1em;
    grid-template-areas: 
        "conceitos disco"
}

#listaTemas ul {
    cursor: pointer;
    text-align: center;
    list-style-type: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1em;
    grid-area: conceitos;
}

#listaTemas li {
    border: solid 1px #DBDBDB;
    padding: 4rem 3rem;
    flex: 1 1 0%;
    text-align: center;
    align-content: center;
    border-radius: 10px;
    transition: 200ms ease;
}

#listaTemas li:hover {
    background-color: #DBDBDB;
    color: #0D0D0D;
}

#TD {
    margin: 0;
    align-self: center;
    position: relative;
    justify-self: center;
    grid-area: disco;
}

#baseDisco {
    height: 18rem;
}

#disco {
    position: absolute;
    height: 14rem;
    top: 10px;
    left: 3.5em;
    animation: rotate 7s linear infinite;
}

#agulha {
    position: absolute;
    top: 1.5em;
    right: 2em;
    height: 11rem;
    transition: 500ms ease-out;
}

.agulhaAtivo {
    rotate: 40deg;
    top: 10px;
}

.posLP h2 {
    font-family: "Montserrat", sans-serif;
    font-weight: 400;
    border-bottom: 1px solid #DBDBDB;
    margin-bottom: 0.5em;
}

.exemplos {
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
    margin-bottom: 2em;
}

.exemplos div {
    flex: 1 1 0%;
}

.exemplos div p {
    text-align: center;
}

.exemplos img {
    height: 200px;
    display: block;
    margin: auto;
    margin-bottom: 1em;
}

.exemplos button {
    display: block;
    margin: auto;
    background-color: rgb(0, 0, 0, 0);
    border: none;
}

.somOnda {
    background-color: #3CB371;
    padding: 1em 2em;
    transition: 300ms ease;
    font-family: "Inter", sans-serif;
    color: white;
    font-size: clamp(1rem, 1.2vw, 2rem);
    border-radius: 10px;
}

.somOnda:hover {
    background-color: #1DB954;
    cursor: pointer;
}

#img {
    background-image: url(imgs/guitarra.jpg);
    grid-area: img;
    background-size: cover;
    background-repeat: no-repeat;
    z-index: 7;
}


footer {
    background: #0D0D0D;
    grid-area: footer;
    text-align: center;
    align-content: center;
    border-top: solid 1px #808080;
    padding: 2.5rem;
    z-index: 7;
}

/*SEGUNDA PAGINA/PIANO*/

#piano {
    justify-self: center;
    background-color: aliceblue;
    padding: 10px;
    display: flex;
}

#piano::selection {
    background-color: rgb(0, 0, 0, 0);
    cursor: auto;
}

#piano:hover {
    cursor: pointer;
}

.sustenido {
    position: relative;
}

.teclaBranca {
    display: flex;
    position: relative;
    width: 45px;
    background-color: white;
    border: solid 1px #0D0D0D;
    color: black;
    justify-content: center;
    border-radius: 0 0 7px 7px;
    transition: 200ms ease;
}

.teclaBranca p {
    align-self: flex-end;
    margin: 200px 0 10px 0;
}

.teclaBranca:active {
    background-color: #969696;
    top: 5px;
}


.teclaPreta {
    position: absolute;
    background-color: black;
    z-index: 6;
    width: 40px;
    color: white;
    top: 0px;
    left: 1.1em;
    border-radius: 0 0 7px 7px;
    transition: 200ms ease;
}

.teclaPreta p {
    justify-self: center;
    margin: 100px 0 10px 0;
}

.teclaPreta:active {
    background-color: #242424;
    top: 5px;
}


#calculadoraAcordes {
    margin-top: 2rem;
}

#calculadoraAcordes h2 {
    text-align: center;
    font-family: "Montserrat", sans-serif;
}

/*media*/

@media only screen and (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-rows: 0.4fr auto 0.6fr;
        grid-template-areas: 
            "header"
            "main"
            "img"
            "footer";
    }
}

@media screen and (max-width: 570px) {
    #navAbrir, #navFechar {
        display: block;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: min(15em, 100%);
        z-index: 10;
        border-left: 1px solid #808080;
        background-color: #0D0D0D;
        transition: right 400ms ease-out;
    }

    nav.display {
        right: 0;
    }

    nav ul {
        width: 100%;
        flex-direction: column;
    }

    nav a {
        width: 100%;
        padding-left: 2.5em;
    }

    main article {
        margin: 3em 0.2em;
    }

    #TD {
        margin-top: 3em;
    }

    #baseDisco {
    height: 14rem;
    }

    #disco {
        height: 11rem;
        top: 10px;
        left: 3.5em;
    }

    #agulha {
        position: absolute;
        top: 1.5em;
        right: 2em;
        height: 9rem;
    }
}

@media only screen and (max-width: 1160px) {
    #listaTemas {
        grid-template-columns: 1fr;
        grid-template-rows: 0.8fr 1fr;
        grid-template-areas: 
            "conceitos"
            "disco"
    }
}

@media only screen and (max-width: 590px) {
    #listaTemas {
        grid-template-columns: 1fr;
        grid-template-rows: 0.8fr 0.6fr;
        grid-template-areas: 
            "conceitos"
            "disco"
    }

    #altaBaixaF img {
        height: 125px;
    }
}

@keyframes rotate {
    100% {
        rotate: 360deg;
    }
}