*{
  margin:0px;
  box-sizing: border-box;
}
body {
  font-family: 'Popins', sans-serif;
  background-color: #FFD700;
}
/*ŠTÝLY PRE FONTY*/
h1{
  font-size:60px;
}
h2{
  font-size:40px;
}
h3{
  font-size:35px;
}
h4,h5,h6{
  font-size:20px;
}
p{
  font-size:16px;
}
h1,h2,h3,h4,h5,h6,p,a,li{
  margin-bottom: 0.7em;
}
main{
  margin-top:60px;
}
/*každý druhý section element 
bude mať sivé pozadie*/
main section:nth-child(even){
  background-color: #fed700;
}
/*ŠTÝLY PRE HEADER*/
header{
  position: fixed;  
  top:0;
  left:0;
  right:0;
  height:60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: white;
  z-index: 1; 
  max-width: 100%; 
}
.main-menu li{
  display:inline;
  margin-left: 20px;
}
.main-menu li a{
  text-decoration: none;
  color:black;
}
.main-menu li:hover a{
 text-decoration: underline;
}
.hamburger{
  display: none;
}

/*ŠTÝLY PRE LAYOUT*/
.container{
  padding:3% 10% 3% 10%;
}
.row{
  display:flex;
  flex-direction: row;
  padding: 25px 0px;
  gap:20px;
}
/*šírka stĺpcov .col, ktoré sa nachádzajú pod class .row*/
.row .col-25{
  width:25%;
}
.row .col-33{
  width:33%;
}
.row .col-50{
  width:50%;
}
.row .col-100{
  width:100%;
}
/*FARBY POZADIA*/
.bg-dark{
  /*background-color:rgb(25, 25, 25);*/
  background-color: #000000; /* čierne pozadie pre footer */

}
/*FARBY TEXTOV*/
.text-dark{
  color:rgb(25, 25, 25);
}
.text-white{
  color:white;
}

/*ZAROVNANIE TEXTOV*/
.text-center{
  text-align:center;
}
.text-left{
  text-align:left;
}
.text-right{
  text-align:right;
}

/*FOOTER*/

footer p a {
  text-decoration: none;
  color: white;
  font-family: 'Popins', sans-serif;
}

@media screen and (max-width: 600px) {
  main{
    margin-top:0px;
  }
  h1{
    font-size:40px;
  }
  h2{
    font-size:30px;
  }
  .row{
    flex-direction: column;
  }
  .row .col-25, .row .col-33, .row .col-50{
    width: 100%;
  }
  .main-menu{
    display: none;
  }
  .hamburger {
    display: inline;
  }
  .main-header{
    position:relative;
    top:0px;
  }

  /*ŠTÝLY PRE HEADER*/
  .main-menu{
    display: none;
  }
  .hamburger {
    display: inline;
  }
  .main-header{
    position:relative;
    top:0px;
  }
  .main-menu.responsive {
    display: block;
    position: absolute;
    background-color: #f7f7f7;
    width:100%;
    top:60px;
    left:0px;
    padding-top:20px;
    padding-bottom:20px;
  }
  .main-menu.responsive li{
    display: block;
    margin-left:0px;
  }  
  
}