/* Reset & Basis */
* {
    box-sizing: border-box;
  }
  
  body{
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #222;
    font-size: 17px;
  
    /* Hintergrundbild */
    background-image: url("schule-eingang-jugendliche.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
  }
  
  /* Header */
  header{
    /*background: rgba(255, 255, 255, 0.85); */
    color: #222;
    padding: 24px 16px;
    text-align: center;
    font-size: 14px;
  }
  /* Container um die Überschrift */
 .headline-box{
    margin: 20px auto;          /* 50px Abstand */
    padding: 20px 20px;
    max-width: 900px;
  
    background: rgba(255,255,255,0.75);
    border-radius: 16px;
  
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  }

  p, li{
    font-size: 1.05rem;
  }
  
  /* Navigation */
  nav{
    /*  background: rgba(240, 240, 240, 0.9);*/
    padding: 10px 16px;
  }
  
  nav ul{
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  
  nav a{
    color: #222;
    text-decoration: none;
    padding: 8px 12px;
     /*border-radius: 6px; */
    background: rgba(255,255,255,0.8);
    font-size: 1.1rem; /* ca. 17px */
  }
  
  nav a:hover{
    background: rgba(255,255,255,1);
  }
  
  /* Hauptbereich */
  main{
    background: rgba(255, 255, 255, 0.6);
    padding: 40px;
    padding-top: 10px;
    margin: 50px auto;
    margin-top: 0px;
    margin-bottom: 0px;
    padding: 30px;
    padding-top: 10px;
    max-width: 1100px;
    border-radius: 10px;
   /* margin: 0 auto;*/
  }
  
  /* Startseite: A1 / A2 / b1 */
  .grid-3{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 16px;
  }
  
  /* Allgemeine Boxen */
  .box{
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    padding: 16px;
    min-height: 120px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    backdrop-filter: blur(6px);
  }
  .box h2{
    font-size: 1.3rem;
  }
  
  /* Card-Text (PDF-Kacheln) */
  .card{
    font-size: 1.05rem;
  }
  /* Farbliche Kennzeichnung Startseite */
.box.a1{
    background: rgba(255, 245, 200, 0.75); /* helles Gelb */
  }
  
  .box.a2{
    background: rgba(255, 220, 220, 0.75); /* helles Rot */
  }
  
  .box.b1{
    background: rgba(220, 235, 255, 0.75); /* helles Blau */
  }
  
  /* Boxen klickbar */
  .box a{
    text-decoration: none;
    color: inherit;
    display: block;
  }
  
  /* Unterseiten A1 / A2 / b1: 10 Container */
  .grid-10{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 16px;
  }
  
  /* Kleine Container */
  .card{
    background: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
    padding: 12px;
    min-height: 80px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    backdrop-filter: blur(6px);
    text-align: center;
  }
  .card.a1{
    background: rgba(255, 245, 200, 0.75); /* helles Gelb */
  }
  
  .card.a2{
    background: rgba(255, 220, 220, 0.75); /* helles Rot */
  }
  
  .card.b1{
    background: rgba(220, 235, 255, 0.75); /* helles Blau */
  }

  /* Spezielle grüne Card */
.card.green{
    background: rgba(220, 245, 220, 0.85);   /* blassgrün */
    border: 2px solid #4caf50;              /* grüne Umrandung */
  }
  

  /* Card-Links */
.card{
    color: #000;
    text-decoration: none;
    font-weight: 600;
  
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
  }
  
  /* SVG PDF Icon */
  .card::after{
    content: "";
    width: 20px;
    height: 20px;
  
    background-image: url("icons/pdf.svg");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
  }
  .card:hover::after{
    transform: scale(1.15);
  }
  
  .card::after{
    transition: transform 0.2s ease;
  }


  /* Sanfter Hover-Effekt für A1 / A2 / b1 */
.box.a1:hover,
.box.a2:hover,
.box.b1:hover{
transform: translateY(-4px);
box-shadow: 0 10px 25px rgba(0,0,0,0.18);
filter: brightness(1.05);
transition: all 0.25s ease;
}

/* weicher Übergang */
.box.a1,
.box.a2,
.box.b1{
transition: all 0.25s ease;
cursor: pointer;
}

.card.a1:hover,
.card.a2:hover,
.card.b1:hover{
transform: translateY(-4px);
box-shadow: 0 10px 25px rgba(0,0,0,0.18);
filter: brightness(1.05);
transition: all 0.25s ease;
}

/* weicher Übergang */
.card.a1,
.card.a2,
.card.b1{
transition: all 0.25s ease;
cursor: pointer;
}
.impressum-container {
  background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    padding: 16px;
    min-height: 120px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    backdrop-filter: blur(6px);
  max-width: 900px;
  margin: 0 auto;
  padding: 50px 20px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.impressum-container h1 {
  margin-bottom: 30px;
}

.impressum-container h2 {
  margin-top: 35px;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.impressum-container p {
  margin-bottom: 15px;
}

.impressum-container a {
  color: #000;
  text-decoration: underline;
}

.impressum-container a:hover {
  text-decoration: none;
}

  
  /* Tablet */
  @media (max-width: 900px){
    .grid-3{
      grid-template-columns: 1fr;
    }
  
    .grid-10{
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  /* Handy */
  @media (max-width: 520px){
    .grid-10{
      grid-template-columns: 1fr;
    }
  }