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

} 
:root{
  
 --text-color: white;

 --bg-url: url(./assets/bg-mobile.jpg);
 --stroke-color: rgba(255, 255, 255, 0.5);
 --surface-color:rgba(255, 255, 255, 0.05);
 --surface-color-hover: rgba(0, 0, 0, 0.2);
 --highlight-color: rgba(255, 255, 255, 0.2);
 --switch-url:  url(./assets/moon-stars.svg);
 

  /* serve como raiz do html, podemos usar uma variavel aqui pra alterar todo codigo assim como essa --text-color: white, pode se usar pra alterar as cores usadondo essa variavel */
}

.light{

  --text-color:black;
  --bg-url: url(./assets/bg-mobile-light.jpg);
  --stroke-color: rgba(0, 0, 0, 0.5);
  --surface-color: rgba(179, 174, 174, 0.5);
   --highlight-color: rgba(0, 0, 0, 0.1);
   --switch-url:  url(./assets/sun.svg);
}

body {
  /*
  codigo completo da forma normal 
 background-image: url(./assets/bg-mobile.jpg);
 background-repeat: no-repeat;
 background-position:top center;
 background-size: cover;
 */
 /* codigo da fora one hand ou simples */

 background: var(--bg-url) no-repeat top center/cover; 
 height: 100vh;
}

body * {
  font-family: 'Inter', sans-serif;
  color:var(--text-color); 
}

#container {
  width: 100%;
  max-width: 588px;
  margin:56px auto 0px;
  

    /* outra  forma é 
      margin:left auto;
       margin: rigth auto;
       */
}

#profile  {
  text-align: center;
  padding: 24px;
}


 #profile  img {
width: 112px ;

}
 #profile p{
   font-weight: 500;
   font-size: 16px;
   line-height: 24px;
   margin-top: 8px;

 }
  
     /* botão light mode e dark mode posicionamento estudar mais sobre   */

#switch {
position: relative;
width: 64px;
margin: 4px auto;


}

 #switch button {
  
  width: 32px;
  height: 32px;
 background: white var(--switch-url) no-repeat center;
 border: 0;
 border-radius: 50%;

 position: absolute;
top: 50%;
left: 0;
z-index: 1;
transform: translateY(-50%);
animation: slide-out 0.4s;

 }
 #switch span {
  display: block;
width: 64px;
height: 24px;
background: var(--surface-color);
border:1px solid var(--stroke-color);
-webkit-backdrop-filter:blur(4px) ;
border-radius: 9999px;


 }

.light #switch button  {
 right: 0;
animation: slide-in 0.4s forwards;


 }
 #switch button:hover {
  outline: 8px solid var(--highlight-color);


 }

 /*
#profile img {

width: 112px ;
margin: auto;
display: block;
}
*/

 /*links lista*/

 ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px 0px;

 }
 ul li a {
display: flex;
  text-align: center;
  justify-content: center;
  padding: 16px 24px;

  background: var(--surface-color);
  border: 1px solid var(--stroke-color);
  border-radius:8px;
  backdrop-filter: blur 4px;
  text-decoration: none;
  font-weight: 500px;
  
  




 }
  /*pseudo-selector*/

  ul li a:hover
   {
    background: var(--surface-color-hover);
  border: 1.5px solid var(--text-color);
  }
  #social-links  {

    padding: 24px 0px;
    display: flex;
    justify-content: center;
    gap: 16px;
    font-size: 40px;
    border-radius: 50px;



  }
  #social-links a {
display: flex;
align-items: center;
justify-content: center;
padding: 1px;


border-radius: 50px;

 }

  #social-links:hover {

   background: var(--highlight-color);
 
  }

  footer {
text-align: center;
text-decoration: none;
padding: 24px 0px;
font-size: 14px;


  }
   
  /* media query */
   
 @media ( min-width:700px)  {
  :root {

   --bg-url: url(./assets/bg-desktop.jpg);
  }

.light {

--bg-url: url(./assets/bg-desktop-light.jpg);

}
 }

 /* keyframes animacoes*/
 @keyframes slide-in {
 from { 

  left: 0;
 }
  to {
left: 50%;


  }
  
 }

 @keyframes slide-out {
  from {
left: 50%;


  }
  to {

    left: 0;
  }




 }