/*
Largeur du header :480px;

largeur de la nav: 120px (1/4 du header);

Largeur des sous-sections: 400px;

largeur gap: 20px;

Margin générales: 20px;

position du texte général: centrer;


/* ---------- Règles de bases ----------  */

* {
    margin: 0;
    padding: 0;
}

html{
    font-family: Arial, Helvetica, sans-serif;
}

h1{
    font-size: 40px;
    line-height: 1.25;
}
h2{
    font-size: 35px;
    line-height: 1.25;
}

h3{
    font-size: 30px;
    line-height: 1.3;
}

h4{
    font-size: 20px;
    line-height: 1.25;
}

/*Valeurs du visuel*/
a{
    text-decoration: none;
    color: black;
}

/* Largeur maximale de toute ligne de paragraphe pour une lisibilité adéquate */
p, a {
    max-width: 85ch;
    line-height: 1.4;
}

/* Style « prototype » pour les images vides */
img {
    background-color: rgba(0,0,0,0.1);
    background-image: 
    linear-gradient(to top left,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,0) calc(50% - 1px),
        rgba(0,0,0,.1) 50%,
        rgba(0,0,0,0) calc(50% + 1px),
        rgba(0,0,0,0) 100%),
    linear-gradient(to top right,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,0) calc(50% - 1px),
        rgba(0,0,0,.1) 50%,
        rgba(0,0,0,0) calc(50% + 1px),
        rgba(0,0,0,0) 100%);
    border-radius: 3px;
}

/*Valeurs du visuel*/
ul{
    list-style: none;  
}

/*Valeurs du visuel*/
.button{
    background-color: rgba(248, 245, 245, 0.418);
    border: 0px solid;
    border-radius: 5px;
    padding: 10px;
    box-shadow: 2px 3px rgba(0, 0, 0, 0.301);
}

/*Valeurs du visuel*/
.grey{
    background-color: rgb(216, 216, 216);
}


/*----------------------Header-------------------------------*/

body>header{
/*Valeurs du visuel*/
    background-color: rgba(0,0,0,0.1);
    background-image: 
        linear-gradient(to top left,
            rgba(0,0,0,0) 0%,
            rgba(0,0,0,0) calc(50% - 1px),
            rgba(0,0,0,.1) 50%,
            rgba(0,0,0,0) calc(50% + 1px),
            rgba(0,0,0,0) 100%),
        linear-gradient(to top right,
            rgba(0,0,0,0) 0%,
            rgba(0,0,0,0) calc(50% - 1px),
            rgba(0,0,0,.1) 50%,
            rgba(0,0,0,0) calc(50% + 1px),
            rgba(0,0,0,0) 100%);
    border-radius: 3px;
/*Valeurs de position et visuelles*/
    min-height: 550px;    
/* Valeur de position du texte*/
    text-align: center;
}

header>h1{
/* Valeur de position du texte*/
    max-width: 68ch;
/*Valeurs de position*/
    margin: 75px auto 0 auto;
    padding: 0px 20px
}

/*Valeurs de position*/
header>h4{
    margin: 20px auto 0;
}

/*Valeurs de position*/
header .button{
    display: inline-block;
    margin-top: 60px;
    margin-bottom: 30px;
}

header>nav{
/*Valeurs de position*/
    display: flex;
/*Valeurs du visuel*/
    background-color: rgba(0, 0, 0, 0.137);
    height: 120px;
    padding: 0 20px;
    align-items: center;
}

/*Valeurs de position*/
header .logo {
    margin-right: auto;
}

/*Valeurs du visuel*/
header nav>*:not(:first-child){
    padding: 10px; 
    font-size: 17px;
} 

/*Valeurs du visuel*/
nav img{
    background-color: rgba(0,0,0,0.1);
    background-image: linear-gradient(to top left,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,0) calc(50% - 1px),
        rgba(0,0,0,.1) 50%,
        rgba(0,0,0,0) calc(50% + 1px),
        rgba(0,0,0,0) 100%),
    linear-gradient(to top right,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,0) calc(50% - 1px),
        rgba(0,0,0,.1) 50%,
        rgba(0,0,0,0) calc(50% + 1px),
        rgba(0,0,0,0) 100%);
    border-radius: 3px;
    height: 75px;
}

/*Valeurs de position*/
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
/*Valeurs de position*/
  display: none;
  position: absolute;
/*Valeurs du visuel*/
  background-color: #f1f1f1;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
/*Valeurs de position*/
  padding: 12px 36px 12px 10px;
  display: block;
  margin: 0;
/*Valeurs du visuel*/
  text-align: left;
  font-size: 15px;
  line-height: 22px;
}

/*Valeurs du visuel*/
.dropdown-content a:hover {
    background-color: #ddd;
}

/*Valeurs de position*/
.dropdown:hover .dropdown-content {
    display: block;
    margin: 0;
}
  

  
 /* -------------------Main-------------------------------- */

/*-------------Section 1 Cartes sous header------------------------------*/

.flex-container{
/*Valeurs de position*/
    display: flex;
    flex-wrap: wrap;
/*Valeurs du visuel*/
    border-top: black 2px solid;
    height: 240px;
}

/*Valeurs de position*/
.flex-container>*{
    flex-basis: 25%;
}

/*Valeurs du visuel*/
.flex-content{
    display: flex;
    border-right: black 1px solid;   
    box-sizing: border-box; 
    background-image: linear-gradient(to top left,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,0) calc(50% - 1px),
        rgba(0,0,0,.1) 50%,
        rgba(0,0,0,0) calc(50% + 1px),
        rgba(0,0,0,0) 100%),
    linear-gradient(to top right,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,0) calc(50% - 1px),
        rgba(0,0,0,.1) 50%,
        rgba(0,0,0,0) calc(50% + 1px),
        rgba(0,0,0,0) 100%);
    
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.7), rgba(0,0,0,0.4), rgba(255,255,255,0) 100%);
}

/*Valeurs du visuel*/
.no-right-border{
    border-right: none;
}

/*Valeurs du visuel*/
.flex-content a{
    align-self: flex-end;
    text-align: center;
    font-size: 20px; 
    margin: 0 auto 20px;
    color: white;
    font-weight: none;
}

/*-----------------------------Section 2 Membership-----------------------*/

/*Valeurs de position*/
.membership{
    text-align: center;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/*Valeurs de position*/
.membership p{
    margin: 20px auto 0;
}

/*Valeurs de position*/
.bMember{
    display: inline-block;
    margin-top: 50px;
}



/*------------------Section 3 Préservation / Section 4 Animaux en liberté / Section 5 Distance ------------------*/

    
/*Valeurs de position*/
.flex-subdiv{
    display: flex;
    height: 400px;
}

/*Valeurs de position*/
.flex-subdiv *{
    flex-basis: 50%;
}

/*Valeurs de position*/
.flex-subdiv-content{
    text-align: center;
    align-self: center;
}

/*Valeurs du visuel*/
.flex-subdiv-content h3{
    line-height: 45px;
    margin: 0 20px;
    max-width: 50ch;
}

.flex-subdiv-content a{
    /*Valeurs de position*/
    display: flex;
    margin: 20px auto 0;
    justify-content: center; 
    /*Valeurs du visuel*/
    font-size: 20px;
    text-decoration: underline;
}

/*Valeurs du visuel*/
.flex-subdiv-content img{
    width: 500px;
    height: 300px;
}

.flex-subdiv-content .icone-fleche{
    background: none;
    max-height: 17px;
    max-width: 17px;
    align-self: center;
    margin-left: 10px
}

/*-----------------------Section 6 Nouvelles--------------------------------*/

/*Valeurs de position*/
.flex-cards{
    display: flex;
    justify-content: space-around;
    min-height: 400px;
    margin: 0 50px;flex-wrap: wrap;
}

/*Valeurs de position*/
.flex-cards article{
    align-self: center;  
    display: flex;
    flex-direction: column;
    
}

/*Valeurs de position*/
.flex-cards article:not(:last-of-type){
   margin-right: 20px;  
}

/*Valeurs de position*/
.flex-cards a{
    display: block;
    margin-top: 20px;
    max-width: 350px;
}

/*Valeurs de position d'un élément visuel (lignes après le titre de l'article)*/
.flex-cards h4::after{
    content: "";  
    display: block; 
    margin: 0 ; 
    max-width: 350px; 
    padding-top: 5px; 
    border-bottom: 1px solid black; 
}

/*Valeurs de position*/
.flex-cards img{
   display: block;
   width: 350px;
   height: 175px; 
   align-self: baseline;
}


 /* --------------------------------------------------- */

/* Image de séparation entre le main et le footer */
 .img-before-footer{
    display: block;
    height: 50px;
    width: 100%;
    background:
     radial-gradient(circle at 0% 50%, rgba(96, 16, 48, 0) 9px, rgb(90, 90, 90) 10px, rgba(96, 16, 48, 0) 11px) 0px 10px,
     radial-gradient(at 100% 100%, rgba(96, 16, 48, 0) 9px, rgb(90, 90, 90) 10px, rgba(96, 16, 48, 0) 11px),rgb(204, 204, 204);
    background-size: 20px 20px;
}

/*-----------------------Footer-------------------------------*/

/*Valeurs du visuel*/
footer{
    background-color: rgba(0,0,0,0.1);;
    padding: 20px;  
    font-size: 14px;
}

/*Valeurs de position*/
footer nav{
    display: flex; 
}

footer nav>*{
/*Valeurs de position*/
    flex-basis: 25%;
/*Valeurs du visuel*/
    border-right: solid 1px black;
}


/*Valeurs de position*/
footer>nav>a{
    padding-left: 30px;
}

/*Valeurs de position*/
footer>nav>div{
    padding-left: 30px;
}
 
/*Valeurs de position*/
footer ul{
    margin-left: 20px;
    padding: 5px;
}   

/*Valeurs de position*/
.menu-list-footer{
    padding: 5px;  
}

/*Valeurs de position*/
footer .logo  {
    display: flex;
    justify-content: flex-end; 
    align-items: center;
}
    
/*Valeurs du visuel*/
.media{
    background: none;
    min-width: 25px;
    max-width: 35px;
    margin-right: 10px;
}