:root{
  --sky:#d9edf8;
  --sky-deep:#c5e3f3;
  --paper:#f8fcff;
  --ink:#1f3443;
  --muted:#5d7180;
  --blue:#245f86;
  --blue-dark:#173f5b;
  --line:#b6d5e7;
  --white:#ffffff;
  --shadow:0 5px 18px rgba(32,85,119,.07);
  --radius:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sky);
  color:var(--ink);
  font:16px/1.62 Arial, Helvetica, sans-serif;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--blue)}
a:hover{text-decoration:none}
a:focus-visible{outline:3px solid var(--blue-dark);outline-offset:3px}
.wrap{width:min(1040px,calc(100% - 28px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:0}
.skip-link:focus{left:12px;top:12px;z-index:1000;background:#fff;padding:10px 14px}

.site-header{
  background:var(--sky);
  border-bottom:1px solid rgba(36,95,134,.18);
}
.pgk-header{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:34px;
  padding:26px 0 20px;
  text-align:center;
}
.pgk-home img{
  width:122px;
  border:1px solid #9dbed2;
  box-shadow:0 4px 14px rgba(0,0,0,.08);
}
.pgk-title{
  display:flex;
  flex-direction:column;
  align-items:center;
  color:var(--blue-dark);
}
.pgk-title .welcome{
  font-size:15px;
  color:var(--muted);
}
.pgk-title strong{
  margin-top:4px;
  font:600 clamp(24px,4vw,36px)/1.2 Georgia,"Times New Roman",serif;
}
.pgk-title > span:last-of-type{
  margin-top:3px;
  color:var(--muted);
}
.main-nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:8px 18px;
  margin-top:17px;
  font-size:14px;
}
.main-nav a{
  color:var(--blue);
  text-decoration:underline;
}

.orgel-intro{
  padding:30px 0 34px;
}
.intro-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 260px;
  gap:34px;
  align-items:center;
  background:rgba(255,255,255,.36);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:30px 6px;
}
.eyebrow{
  margin:0 0 6px;
  color:var(--blue);
  font-size:14px;
  font-weight:700;
}
h1,h2,h3{
  font-family:Georgia,"Times New Roman",serif;
  color:var(--blue-dark);
  line-height:1.18;
}
h1{
  font-size:clamp(36px,6vw,58px);
  margin:0 0 12px;
  font-weight:500;
}
.lead{
  margin:0;
  max-width:680px;
  font-size:19px;
  line-height:1.6;
  color:#304e61;
}
.orgel-kerngegevens{
  margin:20px 0 0;
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
}
.hero-image{
  margin:0;
  border:1px solid #9dbed2;
  background:#fff;
  padding:7px;
  box-shadow:var(--shadow);
}
.hero-image img{width:100%}

.content-shell{
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  gap:24px;
  align-items:start;
  padding-bottom:42px;
}
.toc{
  position:sticky;
  top:18px;
  background:rgba(255,255,255,.45);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  font-size:13px;
}
.toc strong{
  display:block;
  margin-bottom:8px;
  color:var(--blue-dark);
}
.toc a{
  display:block;
  padding:6px 0;
  border-top:1px solid rgba(36,95,134,.10);
}
.article{
  background:rgba(255,255,255,.68);
  border:1px solid var(--line);
  border-radius:8px;
  box-shadow:var(--shadow);
  padding:clamp(24px,4vw,46px);
}
.article > section{
  max-width:760px;
}
.article > section .gallery,
.article > section .disposition-grid,
.article > section .wide-figure{
  max-width:none;
}
.article section+section{
  margin-top:48px;
  padding-top:42px;
  border-top:1px solid var(--line);
}
.article h2{
  margin:0 0 18px;
  font-size:clamp(27px,4vw,36px);
  font-weight:500;
  letter-spacing:.005em;
}
.article h3{
  margin:26px 0 8px;
  font-size:21px;
  font-weight:500;
}
.article p{margin:0 0 1em}
.article .meta{color:var(--muted);font-size:.92em}

.disposition-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.panel{
  background:rgba(237,247,252,.72);
  border:1px solid var(--line);
  border-radius:6px;
  padding:18px;
}
.panel h3{margin-top:0}
.panel ul{margin:0;padding-left:20px}

.gallery{
  display:grid;
  gap:14px;
  margin-top:24px;
}
.gallery-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.gallery figure,.wide-figure{
  margin:0;
  background:#eef8fd;
  border:1px solid var(--line);
  border-radius:5px;
  overflow:hidden;
}
.gallery a,.wide-figure a{display:block}
.gallery img{
  width:100%;
  height:220px;
  object-fit:cover;
}
.gallery figcaption{
  padding:9px 11px;
  color:var(--muted);
  font-size:13px;
  line-height:1.35;
}
.wide-figure{
  padding:10px;
  margin-top:16px;
}
.wide-figure img{
  margin:auto;
  max-height:300px;
}
.wide-figure.small img{max-height:150px}

.button-link{
  display:inline-block;
  margin:5px 7px 5px 0;
  padding:8px 12px;
  border:1px solid var(--blue);
  border-radius:6px;
  background:#edf7fc;
  text-decoration:none;
  font-size:13px;
}
.button-link:hover{
  background:var(--blue);
  color:#fff;
}
.site-footer{
  border-top:1px solid var(--line);
  color:var(--muted);
  text-align:center;
}
.site-footer .wrap{padding:24px 0;font-size:13px}

@media (max-width:800px){
  .pgk-header{
    flex-direction:column;
    gap:14px;
    padding-top:18px;
  }
  .pgk-home img{width:96px}
  .intro-grid{
    grid-template-columns:1fr;
    padding:22px;
  }
  .hero-image{
    width:min(280px,80vw);
    justify-self:center;
  }
  .content-shell{
    grid-template-columns:1fr;
  }
  .toc{
    position:static;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:0 18px;
  }
  .toc strong{grid-column:1/-1}
  .disposition-grid{grid-template-columns:1fr}
  .gallery-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .wrap{width:min(100% - 20px,1040px)}
  .main-nav{gap:7px 14px}
  .orgel-intro{padding-top:18px}
  .intro-grid{padding:18px}
  .lead{font-size:17px}
  .orgel-kerngegevens{font-size:13.5px}
  .article{padding:22px 16px}
  .article section+section{margin-top:38px;padding-top:34px}
  .toc{grid-template-columns:1fr}
  .gallery-3{grid-template-columns:1fr}
  .gallery img{height:auto;object-fit:contain;background:#eaf5fb}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}