<style>
  html {
    font-size: 16px;
  }

  body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    box-sizing: border-box;
  }

  img {
    max-width: 100%;
    height: auto;
  }

  .container {
    max-width: 992px;
    margin: 0 auto;
    /*padding: 0 1rem;*/
  }

  @media (min-width: 1200px) {
    .container {
      max-width: 75rem;
    }
  }

  /* iPad Hochformat (768 px) und Querformat (1024 px) */
  @media only screen 
    and (min-width: 768px) 
    and (max-width: 1199px) {
    .container {
      max-width: 100%;
      width: 100%;
      margin: 0;
      /*padding: 0 1rem;*/
    }
  }

  header {
    background: #fff;
    /*border: 1px solid #ceefbd;*/
    /*padding: 0 1rem;*/
  }

  .header-topnav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0;
    background: #ceefbd;
    margin: 0;
  }

  .header-topnav li a {
    display: block;
    padding: 1rem;
    text-decoration: none;
    color: #333;
    font-weight: bold;
  }

  .header-topnav li a:hover {
    background: #97CA3D;
    color: #000;
  }

  .header-main {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 0.5rem;
  }
  .header-main h1 {
    font-size: 1.4rem;
    line-height: 1.4;
    margin: 0;
  }
  .header-main h2 {
    font-size: 1.1rem;
    line-height: 1;
    margin: 0;
    text-align: center;
  }
  .header-main img {
    max-height: auto;
  }

  .main-navigation {
    margin-top: 1rem;
  }

  .main-navigation ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0;
    background: #ceefbd;
  }

  .main-navigation li a {
    display: block;
    padding: 1rem;
    text-decoration: none;
    font-weight: bold;
    color: #333;
  }

  .main-navigation li a:hover {
    background-color: #97CA3D;
  }

  main {
    display: flex;
    margin-top: 1rem;
  }

  .stelle {
    list-style: none;
    margin: 0.0625rem 0 0 0;
    padding-left: 0;
    border-bottom: 0.125rem solid #fff;
  }

  aside.sidebar-left,
  aside.sidebar-right {
    width: 20%;
    padding: 0.5rem;
  }

  aside.sidebar-left {
    order: -1;
  }

  section.content {
    width: 60%;
    padding: 0.5rem;
    margin-top: -1rem;
  }

  .job-listing {
    background: #ceefbd;
    padding: 1rem;
    margin-bottom: 1rem;
  }

  .job-listing table td {
    padding: 0.5rem;
    font-size: 1.1rem;
  }

  footer {
    padding: 2rem 1rem;
    background: #f9f9f9;
    font-size: 0.95rem;
  }

  footer a {
    color: #000;
    text-decoration: underline;
    font-weight: bold;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin: 0.5rem 0;
  }

  .section-headline {
    text-align: center;
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 1rem;
  }

  /* Navigation */
  #navigationag ul,
  #navigationan ul,
  #navigationfb ul {
    list-style: none;
    margin: 0.0625rem 0 0 0;
    padding-left: 0;
    border-bottom: 0.125rem solid #fff;
  }

  #navigationag a,
  #navigationan a,
  #navigationfb a,
  li#current {
    display: block;
    padding: 1.1rem;
    border-bottom: 0.125rem solid #fff;
    background-color: #ceefbd;
  }

  #navigationag a:hover,
  #navigationan a:hover,
  #navigationfb a:hover,
  #navigationag a:focus,
  #navigationan a:focus,
  #navigationfb a:focus,
  #navigationag a:active,
  #navigationan a:active,
  #navigationfb a:active,
  li#current {
    background-color: #97CA3D;
    color: #000;
  }
 /* =========================================
   iPhone Landscape-Optimierung
   ========================================= */

/* Landscape-Layout (Querformat auf iPhones) */
@media only screen 
  and (min-device-width: 320px) 
  and (max-device-width: 768px) 
  and (orientation: landscape) {

  html, body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    font-size: 1rem;
  }

  .container {
    max-width: 90vw;
    margin: 0 auto;
  }

  header, main, footer {
    max-width: 100vw;
  }

  .header-main {
    flex-direction: column;
    gap: 0.5rem; /* kleiner Abstand zwischen Logo und Text */
  }
  .header-main img {
    margin-bottom: 0; /* entfernt evtl. zusätzlichen Abstand */
  }
  /* Seitenleisten ausblenden für mehr Platz */
  aside.sidebar-left,
  aside.sidebar-right {
    display: none;
  }
  .section-headline {
    text-align: center;
    
    font-size: 0.8rem;
    margin-top: 0.5rem;
    margin-bottom: 0.4rem;
  }

  section.content {
    width: 100%;
    padding: 1rem;
  }

  .job-listing {
    font-size: 1rem;
    margin-bottom: 0.75rem;
  }
}

/* Portrait-Warnung (wenn das iPhone hochkant gehalten wird) */
@media only screen and (orientation: portrait) {
  body::before {
    content: "Für die optimale Darstellung von QM Personal, dem Jobportal für Qualitätsmanagement, drehen Sie bitte Ihr Gerät ins Querformat.";
    position: fixed;
    inset: 0;
    background: #ffffff;
    color: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-align: center;
    padding: 2rem;
    z-index: 9999;
  }
}
</style>


