:root{
    --primary-color: #34558b; /* Azul principal */
    --primary-color-dark: #162542; /* Azul escuro */
    --seconde-color: #6b90c1; /* Azul secundário */
    --yellow-gold-color:#A86200; /* Amarelo dourado */
    --gray-color: #888888; /* Cinza */
    --light-gray-color: #f5f5f5; /* Cinza claro */
    --dark-gray-color: #4e4c4c; /* Branco */
}

html{
    font-family: 'Comfortaa', cursive;
    font-size: 62.5%;
}

main{
    height: 100vh;   
}

.maxWidth{
    max-width: 70.25em;
    margin: 0 auto;
}

.top-header{
    text-align: center;
}

.top_header_nav{
    background-color: var(--primary-color);  
}

.top_header_logo{
    margin-top: 1.2em;
}

.top_header_nav ul{
    list-style-type: none;
    padding: 0;
    margin-bottom: 0;
}

.top_header_nav a{
    text-decoration: none;
    display: block;
    padding: 0.8em;
    font-size: 1em;
    color: var(--light-gray-color);
    transition: background-color 0.5s; 
    font-size: 1.2em;  
}

.top_header_nav a:hover{
    background-color: color-mix(in srgb, var(--yellow-gold-color), white 70%); 
    color: var(--dark-gray-color)
}

.heroBanner{
    text-align: center;
    background-color: var(--light-gray-color);
    padding: 1em;  
}

.heroBanner_title{
    font-size: 1.8em;
    margin-bottom: 1em;
    color: var(--primary-color-dark);
    font-weight: bold;
}

.heroBanner_subtitle{
    font-size: 1.2em;
    line-height: 1.8em;
    color: color-mix(in srgb, var(--primary-color-dark), white 30%);
}

.heroBanner_btn {
    display: inline-block;
    padding: 1em 0.8em;
    border: 1px solid transparent;
    background-color:var(--yellow-gold-color);
    text-decoration: none;
    color: var(--light-gray-color);
    width: fit-content;
    margin: 0.8em auto;
    border-radius: 0.3em;
    box-sizing: border-box;
    font-weight: bold;
    transition: background-color 0.2s;
}

.heroBanner_btn:hover{
    background-color:color-mix(in srgb, var(--yellow-gold-color), white 30%);
}

.heroBanner_video iframe{
    border: 1px solid transparent;
    border-radius: 1em;
    display: none;
}

.middleContent {
    text-align: center;
    padding: 2em;
    background-color: var(--seconde-color)
}

.middleContent a{
    text-decoration: none;
    color: var(--light-gray-color); 
}

.middleContent span[class^="icon-"]{
    display: inline-block;
    font-size: 4em;
    color: var(--yellow-gold-color);
    text-shadow: 2px 2px 8px var(--light-gray-color);
    transition: transform .3s;  
}

.middleContent span[class^="icon-"]:hover{
    transform: scale(1.2);
    text-shadow: 4px 4px 8px var(--light-gray-color);
}

.middleContent_title{
    font-size: 1.5em;
    color: var(--primary-color-dark)
}

.middleContent p{
    font-size: 1.1em;
    line-height: 1.5em;  
}

.row{
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
}

.col{
    flex: 1 0 auto;
    width: 100%;
}

.mainContent_img img{
    display: block; 
    width: 100%;
}

.mainContent{
    padding: 2em;
}

.mainContent_content h3{
    font-size: 1.5em;
    color: var(--primary-color-dark)
}

.mainContent_content p{
    line-height: 1.5em;
    font-size: 1.1em;
}

footer{
   background-color: var(--primary-color-dark);
   padding: 1.5em;
   box-sizing: border-box;
   text-align: center;
   color: var(--light-gray-color)
}


@media screen and (min-width: 48.75em){

    .top-header{
        display: flex; 
        justify-content: space-between;
        align-items: center;
    }

    .top_header_nav{
        background-color: transparent;
    }

    .top_header_nav li{
        display: inline-block;
    }

    .top_header_nav a:hover{
        border-radius: 0.5em;
        background-color: color-mix(in srgb, var(--yellow-gold-color), white 90%); 
    }

    .top_header_logo{
        margin-left: 2em;
    }

    .top_header_nav a{
        color: var(--dark-gray-color);
        transition: none; 
    }
   
    .heroBanner{
        margin-top: 1em;
        background-image: linear-gradient(transparent, var(--primary-color)),url(../imagens/heroBanner1.png);
        background-position: top left;
        background-repeat: no-repeat;
        background-size: cover;
        background-attachment: fixed;
        position: sticky;
    }

    .heroBanner_title{
        color:  var(--light-gray-color);
        text-shadow: 4px 4px 6px var(--primary-color-dark);
    }

    .heroBanner_subtitle{
        color:  var(--light-gray-color);
        margin-bottom: 1.5em;
    }

    .heroBanner_btn{
        display: none;
    }

    .heroBanner_subtitle::after{
        content: url(https://www.youtube.com/watch?v=ri8x8jqnLUs&t=7s);
    }

    .heroBanner_video iframe{  
        display: inline-block;
        margin-bottom: 1em;
    }

    .middleContent{
        background-color: var(--light-gray-color);
    }

    .middleContent a{
        text-decoration: none;
        color: var(--primary-color) 
    }
    
    .col-md-6{
        width: calc(50% - 6em);
        flex: 1 0 auto;
    }