:root{--accent:#f2aa24;--text:#33415c;--line:#d9dee7;--nav:#18233b}
*{box-sizing:border-box}
html{background:#eef1f4}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff}
.site-header{position:relative;max-width:1664px;margin:0 auto;background:#fff;overflow:hidden}
.header-art{display:block;width:100%;height:auto;aspect-ratio:1664/142;object-fit:fill}
.topnav{position:absolute;left:58.3%;right:8.3%;top:0;height:100%;display:flex;align-items:center;justify-content:space-between;gap:13px;padding-top:17px;white-space:nowrap}
.nav-link{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 2px;color:var(--nav);font-size:17px;font-weight:600;line-height:1;text-decoration:none;cursor:pointer;border-bottom:4px solid transparent}
.nav-link:hover{color:#0c3c6d}
.nav-link.active{border-bottom-color:var(--accent)}
.nav-link:focus-visible{outline:3px solid #143d68;outline-offset:3px;border-radius:3px}
main{max-width:1664px;margin:0 auto;background:#fff;position:relative}
.page-art{display:block;width:100%;height:auto}
.site-footer{max-width:1664px;margin:0 auto;padding:26px 20px 32px;border-top:1px solid var(--line);display:flex;justify-content:center;gap:14px;background:#fff;font-size:15px}
.site-footer a{color:#647188;text-decoration:none;cursor:pointer}
.site-footer a:hover,.site-footer a:focus{text-decoration:underline;color:#23334d}
.accessible-links{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
/* Clickable cards on the start page (Wer wir sind / Projekte / Mitmachen). */
.home-card-links{position:absolute;left:0;top:0;width:100%;height:100%;pointer-events:none}
.home-card-link{position:absolute;top:75.0%;height:20.3%;pointer-events:auto;cursor:pointer;border-radius:16px}
.home-card-link:focus-visible{outline:4px solid #143d68;outline-offset:-4px}
.home-card-link.card-about{left:5.3%;width:29.3%}
.home-card-link.card-projects{left:35.1%;width:29.0%}
.home-card-link.card-join{left:64.7%;width:29.3%}
@media(max-width:1100px){
 .topnav{left:57.8%;right:7.9%;gap:9px;padding-top:15px}
 .nav-link{font-size:14px;height:42px;border-bottom-width:3px}
}


.header-picture{display:block}
.menu-toggle{display:none}

@media(max-width:760px){
 .site-header{position:relative;background:#fff;overflow:visible}
 .header-picture{display:block}
 .header-art{display:block;width:100%;height:auto;aspect-ratio:auto;object-fit:fill}
 .menu-toggle{position:absolute;right:14px;top:50%;transform:translateY(-50%);z-index:20;display:flex;width:44px;height:44px;padding:9px;flex-direction:column;justify-content:center;gap:5px;border:1px solid rgba(24,35,59,.18);border-radius:8px;background:rgba(255,255,255,.92);cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.12)}
 .menu-toggle span{display:block;width:100%;height:3px;border-radius:3px;background:var(--nav);transition:transform .18s ease,opacity .18s ease}
 .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
 .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
 .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
 .menu-toggle:focus-visible{outline:3px solid #143d68;outline-offset:3px}
 .topnav{position:absolute;z-index:15;left:auto;right:10px;top:calc(100% - 2px);width:min(290px,calc(100vw - 20px));height:auto;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;padding:7px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 28px rgba(20,32,52,.22);white-space:normal;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);transition:opacity .16s ease,transform .16s ease,visibility .16s ease}
 .topnav.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
 .nav-link{display:flex;width:100%;height:auto;min-height:46px;padding:12px 14px;font-size:16px;border-bottom:0;border-left:4px solid transparent;border-radius:7px}
 .nav-link:hover,.nav-link:focus{background:#f3f6f8}
 .nav-link.active{border-bottom-color:transparent;border-left-color:var(--accent);background:#fff8e9}
 main{position:relative;z-index:1}
 .site-footer{gap:8px;font-size:12px;flex-wrap:wrap;padding:22px 10px 28px}
}


/* Unsichtbare, responsive Klickflächen über sichtbaren Kontakt- und Linkangaben. */
.hotspot-layer{
  position:absolute;
  inset:0;
  pointer-events:none;
}
.hotspot{
  position:absolute;
  display:block;
  pointer-events:auto;
  cursor:pointer;
  background:transparent;
  border-radius:10px;
}
.hotspot:hover{
  box-shadow:inset 0 0 0 2px rgba(242,170,36,.35);
  background:rgba(242,170,36,.04);
}
.hotspot:focus-visible{
  outline:4px solid #143d68;
  outline-offset:-4px;
  background:rgba(255,255,255,.18);
}


/* V0.6 – echte mobile Lesefassung der langen Mitmachen-Seite. */
.mobile-mitmachen{display:none}
@media(max-width:760px){
  .desktop-mitmachen{display:none}
  .mobile-mitmachen{display:block;background:#f5f7f9;padding:14px 12px 28px}
  .mobile-join-hero{display:block;width:100%;height:auto;border-radius:14px;box-shadow:0 4px 14px rgba(20,32,52,.12)}
  .mobile-join-intro{text-align:center;padding:22px 5px 10px}
  .mobile-join-intro h1{margin:0;color:#203b68;font-size:clamp(25px,7vw,34px);line-height:1.12}
  .mobile-join-intro p{margin:14px auto 0;max-width:46rem;font-size:17px;line-height:1.55;color:#4b5563}
  .section-line{display:block;width:76px;height:5px;margin:14px auto 0;border-radius:4px;background:var(--accent)}
  .join-box{--box-accent:#dca21c;--box-bg:#fffdf8;margin:18px 0;padding:18px 17px 20px;border:1px solid #d6dde6;border-left:6px solid var(--box-accent);border-radius:16px;background:var(--box-bg);box-shadow:0 2px 8px rgba(20,32,52,.06)}
  .join-box h2{display:flex;align-items:flex-start;gap:10px;margin:0 0 14px;color:#203b68;font-size:25px;line-height:1.15}
  .join-icon{display:inline-flex;flex:0 0 34px;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:var(--box-accent);color:#fff;font-size:25px;font-weight:800;line-height:1}
  .join-box ul{margin:0;padding-left:23px}
  .join-box li{margin:0 0 10px;padding-left:2px;font-size:16.5px;line-height:1.42;color:#414b59}
  .join-box li::marker{color:var(--box-accent);font-size:1.15em}
  .join-box--no{--box-accent:#aa4438;--box-bg:#fff9f7}
  .join-box--no h2{color:#9f3d34}
  .join-box--offer{--box-accent:#31765c;--box-bg:#f8fdf9}
  .join-box--offer h2{color:#2f6f57}
  .join-punchline{margin:12px 0 0;padding:12px 10px;border-radius:9px;background:#fff3ef;color:#9f3d34;text-align:center;font-size:19px;font-weight:800}
  .join-cta{margin:18px 0 0;padding:22px 18px;border:1px solid #e5cf87;border-radius:16px;background:#fffaf0;text-align:center;box-shadow:0 3px 10px rgba(20,32,52,.08)}
  .join-cta p{margin:0 0 10px;font-size:17px;line-height:1.45;color:#414b59}
  .join-cta strong{color:#203b68}
  .join-cta-title{font-size:24px!important;font-weight:800;color:#203b68!important}
  .join-contact-button{display:inline-flex;align-items:center;justify-content:center;min-width:150px;margin-top:4px;padding:12px 25px;border-radius:999px;background:var(--accent);color:#18233b;text-decoration:none;font-size:18px;font-weight:800;box-shadow:0 2px 7px rgba(20,32,52,.12)}
  .join-contact-button:hover,.join-contact-button:focus{filter:brightness(.96)}
  .join-contact-button:focus-visible{outline:3px solid #143d68;outline-offset:3px}
}


/* V0.7 – mobile Lesefassungen für Über uns, Team, Projekte und Galerie. */
.mobile-about,.mobile-team,.mobile-projects,.mobile-gallery{display:none}

@media(max-width:760px){
  .desktop-about,.desktop-team,.desktop-projects,.desktop-gallery{display:none}

  .mobile-about,.mobile-team,.mobile-projects,.mobile-gallery{
    display:block;
    background:#f5f7f9;
    padding:14px 12px 28px;
  }

  .mobile-reading{
    max-width:46rem;
    margin:0 auto;
  }
  .mobile-reading h1{
    margin:18px 0 0;
    color:#203b68;
    text-align:center;
    font-size:clamp(25px,7vw,34px);
    line-height:1.12;
  }
  .mobile-reading p{
    margin:15px 4px 0;
    color:#414b59;
    font-size:16.5px;
    line-height:1.55;
  }
  .mobile-punchline{
    margin:20px 0!important;
    padding:15px 13px;
    border-left:5px solid var(--accent);
    border-radius:9px;
    background:#fff8e9;
    color:#203b68!important;
    font-size:18px!important;
    font-weight:800;
    text-align:center;
  }
  .mobile-wide-photo{
    display:block;
    width:100%;
    height:auto;
    border-radius:14px;
    box-shadow:0 4px 14px rgba(20,32,52,.12);
  }
  .mobile-wide-photo--bottom{margin-top:20px}

  /* Team */
  .team-intro{text-align:center;padding:4px 4px 12px}
  .team-intro p{text-align:center}
  .mobile-team-list{display:grid;gap:18px}
  .mobile-team-card{
    overflow:hidden;
    padding:16px 14px 17px;
    border:1px solid #d7dee8;
    border-left:6px solid var(--accent);
    border-radius:16px;
    background:#fff;
    box-shadow:0 3px 10px rgba(20,32,52,.07);
  }
  .mobile-team-card h2{
    margin:0 0 10px;
    color:#203b68;
    font-size:27px;
    line-height:1.1;
  }
  .team-photo{
    display:block;
    width:min(78%,280px);
    height:auto;
    margin:0 auto 12px;
    border-radius:12px;
  }
  .team-info-fragment,.team-role-fragment{
    display:block;
    width:100%;
    height:auto;
    margin:8px 0 0;
  }
  .team-role-fragment{
    padding-top:10px;
    border-top:1px solid #e0e5ec;
  }

  /* Projekte */
  .mobile-section-title{
    margin:28px 5px 14px;
    color:#203b68;
    text-align:center;
    font-size:24px;
    line-height:1.2;
  }
  .mobile-project-grid{display:grid;gap:18px;margin-top:10px}
  .mobile-project-card{
    overflow:hidden;
    border:1px solid #d6dde6;
    border-left:6px solid var(--accent);
    border-radius:16px;
    background:#fff;
    box-shadow:0 3px 10px rgba(20,32,52,.07);
  }
  .mobile-project-card img{
    display:block;
    width:100%;
    max-height:420px;
    object-fit:cover;
    background:#eef1f4;
  }
  .mobile-project-copy{padding:16px 16px 18px}
  .mobile-project-copy h2{
    margin:0;
    color:#203b68;
    font-size:22px;
    line-height:1.2;
  }
  .mobile-project-copy p{
    margin:9px 0 0;
    color:#465160;
    font-size:15.5px;
    line-height:1.45;
  }
  .mobile-project-copy .project-location{
    margin-top:12px;
    color:#798395;
    font-size:13.5px;
    font-style:italic;
  }

  /* Galerie */
  .gallery-intro{text-align:center;padding-bottom:8px}
  .gallery-intro p{text-align:center}
  .mobile-gallery-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:9px;
    margin-top:12px;
  }
  .gallery-thumb{
    display:block;
    overflow:hidden;
    width:100%;
    min-height:120px;
    padding:0;
    border:0;
    border-radius:10px;
    background:#e9edf2;
    cursor:zoom-in;
    box-shadow:0 2px 7px rgba(20,32,52,.10);
  }
  .gallery-thumb img{
    display:block;
    width:100%;
    height:100%;
    min-height:120px;
    max-height:230px;
    object-fit:cover;
  }
  .gallery-thumb:focus-visible{
    outline:4px solid #143d68;
    outline-offset:2px;
  }
  .gallery-closing{
    margin-top:28px;
    padding:22px 12px 8px;
    border-top:1px solid #d6dde6;
    text-align:center;
  }
  .gallery-closing h2{
    margin:0;
    color:#203b68;
    font-size:25px;
    line-height:1.15;
  }
  .gallery-closing p{
    margin:8px 0 0;
    color:#465160;
    font-size:17px;
    line-height:1.35;
  }
  .gallery-closing img{
    display:block;
    width:100%;
    height:auto;
    margin:22px auto 0;
    border-radius:12px;
    box-shadow:0 3px 10px rgba(20,32,52,.10);
  }
  .gallery-lightbox[hidden]{display:none}
  .gallery-lightbox{
    position:fixed;
    z-index:1000;
    inset:0;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:58px 12px 18px;
    background:rgba(6,12,22,.93);
  }
  .gallery-lightbox img{
    display:block;
    max-width:96vw;
    max-height:88vh;
    width:auto;
    height:auto;
    border-radius:8px;
    box-shadow:0 12px 40px rgba(0,0,0,.5);
  }
  .gallery-lightbox-close{
    position:fixed;
    top:10px;
    right:12px;
    width:46px;
    height:46px;
    border:1px solid rgba(255,255,255,.45);
    border-radius:50%;
    background:#fff;
    color:#18233b;
    font-size:34px;
    line-height:1;
    cursor:pointer;
  }
  body.lightbox-open{overflow:hidden}
}


/* V0.8 Pre-Release: lesbare Rechtsseiten und Fehlerseite */
.sr-only{
  position:absolute!important;
  width:1px!important;
  height:1px!important;
  padding:0!important;
  margin:-1px!important;
  overflow:hidden!important;
  clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;
  border:0!important;
}
.legal-page{padding-bottom:34px;background:#f5f7f9}
.legal-hero{
  display:block;
  width:min(100% - 40px,1430px);
  height:auto;
  margin:24px auto 0;
  border-radius:16px;
  box-shadow:0 4px 16px rgba(20,32,52,.12);
}
.legal-content{
  width:min(100% - 40px,1050px);
  margin:26px auto 0;
  padding:30px 34px;
  border:1px solid #d7dee8;
  border-radius:16px;
  background:#fff;
  box-shadow:0 3px 12px rgba(20,32,52,.07);
}
.legal-content>h1{
  margin:0;
  color:#203b68;
  text-align:center;
  font-size:36px;
}
.legal-stand{
  margin:10px 0 22px;
  color:#778295;
  text-align:center;
  font-size:14px;
}
.legal-content section{
  margin:0;
  padding:20px 0;
  border-top:1px solid #e1e6ed;
}
.legal-content section:first-of-type{border-top:0}
.legal-content h2{
  margin:0 0 10px;
  color:#203b68;
  font-size:22px;
  line-height:1.25;
}
.legal-content p{
  margin:9px 0 0;
  color:#414b59;
  font-size:16px;
  line-height:1.58;
}
.legal-content a{
  color:#174f82;
  text-decoration:underline;
  text-underline-offset:2px;
}
.error-page{
  min-height:55vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:40px 18px;
  background:#f5f7f9;
}
.error-card{
  max-width:720px;
  padding:40px 30px;
  border:1px solid #d7dee8;
  border-left:7px solid var(--accent);
  border-radius:18px;
  background:#fff;
  text-align:center;
  box-shadow:0 4px 16px rgba(20,32,52,.10);
}
.error-paw{font-size:56px}
.error-card h1{margin:10px 0;color:#203b68;font-size:34px}
.error-card p{font-size:18px;line-height:1.5}
.error-home{
  display:inline-flex;
  margin-top:12px;
  padding:12px 24px;
  border-radius:999px;
  background:var(--accent);
  color:#18233b;
  font-weight:800;
  text-decoration:none;
}
@media(max-width:760px){
  .legal-hero{width:calc(100% - 24px);margin-top:12px;border-radius:12px}
  .legal-content{width:calc(100% - 24px);margin-top:14px;padding:22px 17px}
  .legal-content>h1{font-size:30px}
  .legal-content h2{font-size:20px}
  .legal-content p{font-size:16px}
  .error-card{padding:30px 18px}
  .error-card h1{font-size:28px}
}


/* V20 – Desktop-Klickfläche für den sichtbaren Kontakt-Button auf Mitmachen. */
.desktop-mitmachen-contact{display:block}
.mitmachen-contact-hotspot{left:43.1%;top:94.0%;width:13.8%;height:2.35%;border-radius:999px}
.mitmachen-contact-hotspot:hover{box-shadow:inset 0 0 0 3px rgba(242,170,36,.48);background:rgba(242,170,36,.08)}

/* V20 – Danksagung / ChatGPT-Hinweis auf der Links-Seite. */
.mira-credit{
  position:relative;
  z-index:3;
  width:72.5%;
  margin:-78px auto 18px;
  padding:13px 20px;
  border:1px solid #e4c56e;
  border-left:6px solid var(--accent);
  border-radius:12px;
  background:#fff8e7;
  box-shadow:0 3px 10px rgba(20,32,52,.08);
  color:#33415c;
  text-align:center;
}
.mira-credit p{margin:0;font-size:16px;line-height:1.45;font-weight:600}
.mira-credit a{color:#0c4f8a;font-weight:800;text-decoration:none;white-space:nowrap}
.mira-credit a:hover,.mira-credit a:focus{text-decoration:underline}
.mira-credit a:focus-visible{outline:3px solid #143d68;outline-offset:3px;border-radius:3px}

@media(max-width:760px){
  .desktop-mitmachen-contact{display:none}
  .mira-credit{width:calc(100% - 24px);margin:12px auto 18px;padding:14px 15px}
  .mira-credit p{font-size:15px;line-height:1.5}
}