@font-face {
  font-family: 'bpfont';
  src: url('poppins.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

body {
  font-family: 'bpfont', sans-serif;
  margin: 0;
  background: white;
  color: #333;
}

header {
  background: #000;
  color: #fff;
  padding: 15px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0px 0px 15px rgba(0,0,0,1.1);
  position: sticky; top: 0;
}


.bolt {

  font-weight: 5000 !important;
  color: blue;
}

@media (max-width: 1000px) {
  .mobile-hidden {
    display: none;
  }

  .img-tut3 {
    box-shadow: 0px 0px 30px rgba(0,0,0,0.3);
    border: none !important;
    height: 80% !important;
    width: 80% !important;
  }

  .btn-link-back img {
      height: 60px !important;
      width: auto;
      display: block;
  }

  header {
    background: #000;
    color: #fff;
    padding: 40px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 20px !important;
  }
  header h1 {
    margin: 0;
    font-size: 60px !important;
  }
  header .logo {
    height: 120px !important;
    margin-right: 30px !important;
  }
  main {
    margin: 20px auto 0 auto;
    width: 80% !important;
    background: lightblue;
    box-sizing: border-box;
    font-size: 220%;
  }

  h2 {
      border-bottom: 0px solid #eee !important;
  }

    .faqsize {
    font-size: 80% !important;
  }

  button {
    font-size: 100% !important;
  }
  #error403 {
    width: 80% !important;
    height: 80% !important;
    box-shadow: 0px 0px 30px rgba(0,0,0,0.3);
  }


  .logo {
    text-align: center !important;
    margin-top: 5%;
  }


  .faqfooter {
    font-size: 1000% !important;
  }


  nav a {
    font-size: 2.0rem !important;
  }

  .btn-faq {
    -webkit-tap-highlight-color: transparent;
  }
 .btn-faq:hover {
   background: lightgrey !important;
 }
 .btn-faq:active {
   background: #7F7F7D !important;
   cursor: pointer !important;
 }

 .mobile-visible {
   display: block !important;
   font-size: 300% !important;
 }

 .logo2 {
   height: 70px !important;
   width: auto;

   vertical-align: middle;
 }
 header {
   display: flex;
   align-items: center;
   justify-content: space-between;
   padding: 40px 20px !important;
 }

}

.btn-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.slide-btn {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hidden-slide {
  transform: translateY(-20px);
  opacity: 0;
  pointer-events: none;
}

.visible-norules {
  display: block !important;
}

.img-tut {

  box-shadow: 0px 0px 30px rgba(0,0,0,0.3);
  border: none !important;
}

.img-tut2 {

  box-shadow: 0px 0px 30px rgba(0,0,0,0.3);
  border: none !important;
  height: 100%;
  width: 100%;
}

.img-tut3 {
  box-shadow: 0px 0px 30px rgba(0,0,0,0.3);
  border: none !important;
  height: 50%;
  width: 50%;
}

#network-img {
  width: 80% !important;
  height: 80% !important;
  box-shadow: 0px 0px 30px rgba(0,0,0,0.3);
  border: none;
}

header .logo {
  height: 90px;
  margin-right: 22.5px;
}

header h1 {
  margin: 0;
  font-size: 2.1rem;
}

.aufklappbar {
  margin: 0;
  font-size: 2.1rem;
}

summary hover {
  color: blue;
}

header h1 a {
  text-decoration: none;
  color: white;
}

header h1 a:hover {
  color: lightgrey;
}

header {
    height: 60px;
    line-height: 60px;
    text-align: center;
}

header a {
    display: inline-block;
    margin: 0 15px;
    line-height: normal;
}


header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px;
}

nav {
  display: flex;
  align-items: center;
  gap: 0px;
}

.logo {
  height: 40px;
}

.logo:hover{
  opacity: 0.5 !important;
}

.logo2 {
  height: 50px;
  width: auto;

  vertical-align: middle;
}

nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0;
  text-decoration: none;
  color: black;
  font-size: 16px;
}

nav a:hover {
  text-decoration: underline;
}


nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.7rem;
}

nav a:hover {
  text-decoration: none;
  opacity: 0.5;
}

main {
  width: 50%;
  margin: 40px auto;
  padding: 20px;
  background: #fff;
  border-radius: 5px;
  box-shadow: 0px 0px 30px rgba(0,0,0,0.3);
  font-family: 'bpfont';
}

h2 {
  border-bottom: 2px solid #eee;
  padding-bottom: 8px;
  margin-top: 10px;
  color: black;
}

h3 {
  color: black;

}

p {
  word-wrap: break-word;
}

section {
  margin-top: 20px;
}

.link-list {
  list-style: none;
  padding: 0;
}

.link-list li {
  margin: 10px 0;
}

.hidden {
  display: none;
}

.btn-faq {
  display: block;
  font-size: 20px;
  padding: 10px 15px;
  background: lightgrey;
  color: black;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.3s ease;
  box-shadow: 0px 0px 8px rgba(0,0,0,0.1);
  border: none;
  font-family: bpfont;
  margin-top: 20px;
}

.btn-faq:hover {
  background: #7F7F7D;
  cursor: pointer;
}

.btn-link {
  display: inline-block;
  padding: 10px 15px;
  background: lightgrey;
  color: black;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.3s ease;
  box-shadow: 0px 0px 8px rgba(0,0,0,0.1);
  border: none;
  font-family: bpfont;
  font-size: 100%;
}

.btn-link:hover {
  background: #7F7F7D;
  cursor: pointer;
}

.btn-link-back {
    margin-top: 0px !important;
}

.back-btn {

  justify-content: flex-end !important;
  margin-top: 50px !important;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 50px;
}


.btn-link-back img {
    height: 32px;
    width: auto;
    display: block;
}

.visiblelink {
  color: #25a1c0;
  text-decoration: none;
}

.visiblelink:hover {
  text-decoration: underline;
  color: #70AEC1;
}

.hidden {
  display: none;
}

#error403 {
  width: 50%;
  height: 50%;
  box-shadow: 0px 0px 30px rgba(0,0,0,0.3);
}

.mobile-visible {
  display: none;
}

.back {
    display: none;
}

.back.visible {
    display: flex;
    justify-content: space-between;
    align-items: center;

}


.back2 {
    display: none;
}

.back2.visible {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 50px;
}


.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  display: flex;
}

.button-row .btn-faq {
  flex: 1;
  min-width: 120px;
}


.button-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.button-pair {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 150px;
}

.btn-faq {
  display: block;
  margin-bottom: 5px;
}

.hidden {
  display: none;
}

.version {
  color: lightgrey;
  font-size: 10px;
}

footer {
  text-align: center;
  padding: 20px;
  margin-top: 40;
  font-size: 0.9rem;
  color: #666;
  font-size: 100% !important;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: 16px;
}


html { scroll-behavior: smooth;}