body{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.header{
  border-radius: 2rem;
  background-color: rgb(0, 40, 90);
  padding: 1rem;
  display: flex;
  flex-direction: row;
  gap: 2rem;
  box-shadow: 0 4px 8px grey;
}
.menu{
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.dropbtn {
    background-color: transparent;
    color: white;
    padding: 16px;
    font-size: 16px;
    border: none;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  
  /* The container <div> - needed to position the dropdown content */
  .dropdown {
    position: relative;
    display: inline-block;
  }
  
  /* Dropdown Content (Hidden by Default) */
  .dropdown-content {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  
  /* Links inside the dropdown */
  .dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  
  /* Change color of dropdown links on hover */
  .dropdown-content a:hover {background-color: #ddd;}
  
  /* Show the dropdown menu on hover */
  .dropdown:hover .dropdown-content {display: block;}
  
  /* Change the background color of the dropdown button when the dropdown content is shown */
  .dropdown:hover .dropbtn {
    background-color: rgb(206, 0, 0);
color: white;
border-radius: 1.5rem;
box-shadow: 0 4px 8px black;}
.dropbtn1 {
    background-color: transparent;
    color: white;
    padding: 16px;
    font-size: 16px;
    border: none;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  
  /* The container <div> - needed to position the dropdown content */
  .dropdown1 {
    position: relative;
    display: inline-block;
  }
  
  /* Dropdown Content (Hidden by Default) */
  .dropdown-content1 {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  
  /* Links inside the dropdown */
  .dropdown-content1 a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  
  /* Change color of dropdown links on hover */
  .dropdown-content1 a:hover {background-color: #ddd;}
  
  /* Show the dropdown menu on hover */
  .dropdown1:hover .dropdown-content1 {display: block;}
  
  /* Change the background color of the dropdown button when the dropdown content is shown */
  .dropdown1:hover .dropbtn1 {background-color: rgb(206, 0, 0);
color: white;
border-radius: 1.5rem;
box-shadow: 0 4px 8px black;}

.dropbtn2 {
    background-color: transparent;
    color: white;
    padding: 16px;
    font-size: 16px;
    border: none;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  
  /* The container <div> - needed to position the dropdown content */
  .dropdown2 {
    position: relative;
    display: inline-block;
  }
  
  /* Dropdown Content (Hidden by Default) */
  .dropdown-content2 {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  
  /* Links inside the dropdown */
  .dropdown-content2 a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  
  /* Change color of dropdown links on hover */
  .dropdown-content2 a:hover {background-color: #ddd;}
  
  /* Show the dropdown menu on hover */
  .dropdown2:hover .dropdown-content2 {display: block;}
  
  /* Change the background color of the dropdown button when the dropdown content is shown */
  .dropdown2:hover .dropbtn2 {background-color: rgb(206, 0, 0);
color: white;
border-radius: 1.5rem;
box-shadow: 0 4px 8px black;}

.dropbtn3 {
    background-color: transparent;
    color: white;
    padding: 16px;
    font-size: 16px;
    border: none;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  
  /* The container <div> - needed to position the dropdown content */
  .dropdown3 {
    position: relative;
    display: inline-block;
  }
  
  /* Dropdown Content (Hidden by Default) */
  .dropdown-content3 {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  
  /* Links inside the dropdown */
  .dropdown-content3 a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  
  /* Change color of dropdown links on hover */
  .dropdown-content3 a:hover {background-color: #ddd;}
  
  /* Show the dropdown menu on hover */
  .dropdown3:hover .dropdown-content3 {display: block;}
  
  /* Change the background color of the dropdown button when the dropdown content is shown */
  .dropdown3:hover .dropbtn3 {background-color: rgb(206, 0, 0);
color: white;
border-radius: 1.5rem;
box-shadow: 0 4px 8px black;}

.contact{
   background-color: transparent;
    color: white;
    padding: 16px;
    font-size: 16px;
    border: none;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

.contact:hover{
  background-color: rgb(206, 0, 0);
  color: white;
  border-radius: 1.5rem;
  box-shadow: 0 4px 8px black;
}
  a{
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    font-size: 16px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  }
  .imak_img{
    height: 10rem;
    width: 22rem;
  }

.dropbtn,
.dropbtn1,
.dropbtn2,
.dropbtn3,
.contact {
  position: relative;
  overflow: hidden;
  z-index: 0;
  background-color: transparent;
  color: white;
  border: none;
  padding: 16px;
  font-size: 16px;
  transition: color 0.7s ease;
}

/* Fading red background */
.dropbtn::before,
.dropbtn1::before,
.dropbtn2::before,
.dropbtn3::before,
.contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgb(206, 0, 0);
  opacity: 0;
  transition: opacity 0.7s ease;
  z-index: -1;
  border-radius: 1.5rem;
}

/* On hover, fade in background */
.dropbtn:hover::before,
.dropbtn1:hover::before,
.dropbtn2:hover::before,
.dropbtn3:hover::before,
.contact:hover::before {
  opacity: 1;
  transition: opacity 0.7s ease;
}

/* Fade text color */
.dropbtn:hover,
.dropbtn1:hover,
.dropbtn2:hover,
.dropbtn3:hover,
.contact:hover {
  color: white
}
.reference img{
    width: 50%;
    height: 50%;
    object-fit: contain;
    background-color: transparent;
    border: 1px solid white;
    box-shadow: 0 4px 8px grey;
    border-radius: 1.5rem;
    aspect-ratio: 16/10;
    padding: 4rem;
    mix-blend-mode: multiply;
}

.reference{
    margin-top: 5rem;
    display: grid;
    row-gap: 3rem;
    grid-template-columns: auto auto auto;
    place-items: center;
}

.logo{
  margin-bottom: -3rem;
 }

 .sika{
  width: 7rem;
  height: 7rem;
  position: relative;
  left: 20rem;
 }
 .imak_img{
    position: relative;
    left: 4rem;
    bottom: 1rem;
    height: 10rem;
    width: 22rem;
  }

  .reference img.beko {   /* less padding = bigger logo inside the box */
    object-fit: none;
}

 .reference img.polinas {   /* less padding = bigger logo inside the box */
    object-fit: cover;
}

 .reference img.maysan-mando {   /* less padding = bigger logo inside the box */
  object-fit: fill;
  padding: 4rem;
}

.reference img.nevpa {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.banvit {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.gotech {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}
.reference img.bursa-cimento {   /* less padding = bigger logo inside the box */
  object-fit: none;
}

.reference img.freud {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.rollmech {   /* less padding = bigger logo inside the box */
  object-fit: none;
}

.reference img.mudo {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.cevahir {   /* less padding = bigger logo inside the box */
  object-fit: none;
}

.menubutton, .sidemenu{
    display: none;
  }

   @media (max-width: 900px) {
  body{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

 .imak_img{
  position: relative;
  left: 2rem;
  width: 12rem;
  height: 6rem;
 }

 .sika{
  position: relative;
  left: 5rem;
  bottom: 2.5rem;
  height: 3rem;
  width: 3rem;
 }

 .reference{
    display: grid;
    row-gap: 3rem;
    grid-template-columns: auto auto;
    place-items: center;
    margin-top: -8rem;
}

.reference img{
    width: 35%;
    height: 35%;
    object-fit: contain;
    background-color: transparent;
    border: 1px solid white;
    box-shadow: 0 4px 8px grey;
    border-radius: 1.5rem;
    aspect-ratio: 16/10;
    padding: 2.5rem;
    mix-blend-mode: multiply;
}

.reference img.beko {   /* less padding = bigger logo inside the box */
    object-fit: cover;
}

 .reference img.polinas {   /* less padding = bigger logo inside the box */
    object-fit: cover;
}

 .reference img.maysan-mando {   /* less padding = bigger logo inside the box */
  object-fit: cover;
  padding: 2.5rem;
}

.reference img.nevpa {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.banvit {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.gotech {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}
.reference img.bursa-cimento {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.freud {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.rollmech {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.mudo {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

.reference img.cevahir {   /* less padding = bigger logo inside the box */
  object-fit: cover;
}

 .header{
  display: none;
 }

 .menubutton{
  display: block;
  position: relative;
  bottom: 7.5rem;
  right: 10rem;
  font-size: 2.5rem;
  color: rgb(0, 40, 90);
  font-weight: 900;
 }
li{
    margin-top: 2.5rem;
    background-color: rgb(206, 0, 0);
    width: 10rem;
    text-align: center;
    border-radius: 1rem;
}
.sidemenu {
	display: block;
    width: 250px;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background: rgb(0, 40, 90);
    color: white;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    padding-top: 60px;
     z-index: 1099; /* above content, but below button */
    font-family:system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

.sidemenu a {
    display: block;
    padding: 15px;
    text-decoration: none;
    color: white;
}

.sidemenu a:hover {
    background: #444;
}

.sidemenu.open {
    transform: translateX(0);
}

.header1{
  display: flex;
  flex-direction: row;
}
ul{
    list-style-type: none;
}

.closebutton{
  position: relative;
  left: 2rem;
  font-size: 1.5rem;
  font-weight: 800;
}

}