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

body{
    font-family: Arial, Helvetica, sans-serif;
    background-color: #0D0D0D;
}

header{
    padding-right: 30px;
    background-color: #0D0D0D;
    display: flex;
    height: 70px;
}

.red {
    color: #E50914;
}

.white {
    color: #FFFFFF;
}

 header h1 {
    padding: 10px 30px;
    font-family: 'Times New Roman', Times, serif;
    font-size: 40px;
    font-weight: bold;
}

header nav{
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 15px;
}

header a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px; 
    border-radius: 6px;
    background-color: #E50914;
    color: #FFFFFF;
    text-decoration: none;
}

header a:hover {
    text-decoration: underline;
    background-color: #b20710;
    
}

.principal{
    background-image: 
    url("img/musculação.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 700px;
    display: flex;
    align-items: center; 
}

.conteudo{
    margin: 70px;
    
}

.conteudo p{
    font-size: 35px;
    font-family: 'Times New Roman', Times, serif;
    font-weight: bold;
}

.branco{
    color: #FFFFFF;
}

.verm_claro{
    color: #d10e04;
}

.red_escuro{
    color: #fd1205;
}

.btn{
    color: #FFFFFF;
    background-color: #E50914;
    padding: 10px 15px;
    display: inline-block;
    text-decoration: none;
    margin-top: 10px;
    border-radius: 4px;
}

.btn:hover {
    background-color: #b20710;
    transition: 0.3s;
}

.titulo_2{
    color: #FFFFFF;
    text-align: center;
    justify-content: center;
    align-content: center;
    font-size: 30px;
    margin:20px;
}

.itens{
    padding: 20px;
}

.treinos{
    display: flex;
    flex-direction: row;
    justify-content: center;
    color: #FFFFFF;
}


.card{
    text-align: center;
    background-color:#1a1a1a;
    border-radius: 10px;
    height: 450px;
    width: 300px;
    margin: 20px;
}

.card img {
    width: 100%;
    height: 300px;
    padding: 20px;
    border-radius: 40px;
}

.saiba_mais{
    color: #FFFFFF;
    background-color: #E50914;
    padding: 10px 15px;
    display: inline-block;
    text-decoration: none;
    margin-top: 10px;
    border-radius: 4px;
}

.saiba_mais:hover {
    background-color: #b20710;
    
}

.titulo_3{
    color: #FFFFFF;
    text-align: center;
    justify-content: center;
    align-content: center;
    font-size: 30px;
    margin:20px;
}

.planos {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 50px 20px;
}

.card_2 {
    background-color: #1a1a1a;
    color: #FFFFFF;
    width: 280px;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    transition: 0.3s;
    border: 1px solid #2a2a2a;
}

.card_2:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    border: 1px solid #E50914;
}

.card_2 h4 {
    font-size: 22px;
    margin-bottom: 10px;
}

.card_2 p {
    font-size: 20px;
    font-weight: bold;
    color: #E50914;
    margin: 15px 0;
}

.card_2 ul {
    list-style: none;
    margin: 15px 0;
}

.card_2 hr {
    border: 1px solid #333;
    margin: 10px 0;
}

.card_2 a {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 15px;
    background-color: #E50914;
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 5px;
}

.titulo_4{
    color: #FFFFFF;
    text-align: center;
    justify-content: center;
    align-content: center;
    font-size: 30px;

}

.iframe_1{
    display: flex;
    justify-content: center;
    align-content: center;
}

iframe{
    
    border-radius: 50px;
    padding: 40px ;
    width: 500px;
    height: 300px;
}

footer{
    color: #FFFFFF;
    text-align: center;
    background-color: #1a1a1a;
    padding: 10px;
}

footer p{
    padding: 5px;
}