:root{
  --blue: #0b3a9c;
  --blue2: #0a2d78;
  --yellow: #fbbf00;

  --bg: #fff4c7;         /* warmes hellgelb */
  --card: rgba(255,255,255,0.70);
  --stroke: rgba(11,58,156,0.22);
  --shadow: 0 18px 50px rgba(10,45,120,0.18);

  --r: 22px;
  --tap: 48px;
}

*{ box-sizing:border-box }
html,body{ height:100% }

body{
  margin:0;
  font-family:"Ubuntu", system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(900px 520px at 20% 0%, rgba(11,58,156,0.14), transparent 60%),
              radial-gradient(820px 520px at 90% 15%, rgba(251,191,0,0.18), transparent 55%),
              var(--bg);
  color: var(--blue);
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 50;

  display:grid;
  grid-template-columns: 1fr auto 1fr;
  align-items:center;

  padding: calc(10px + env(safe-area-inset-top)) 14px 10px;
  background: var(--blue);
  border-bottom: 3px solid rgba(251,191,0,0.60);
  box-shadow: 0 10px 24px rgba(10,45,120,0.20);
}

.topbar-side{
  min-height: var(--tap);
  display:flex;
  align-items:center;
}
.topbar-side.right{
  justify-content:flex-end;
}

.toplink{
  height: 42px;
  display:inline-flex;
  align-items:center;
  padding: 0 14px;
  border-radius: 16px;
  border: 2px solid rgba(251,191,0,0.55);
  background: rgba(251,191,0,0.18);
  color: var(--yellow);
  font-weight: 900;
  text-decoration:none;
}

.topbar-center{
  display:flex;
  justify-content:center;
  align-items:center;
  min-height: var(--tap);
}

.logo{
  height: 38px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.18));
}

.wrap{
  max-width: 1050px;
  margin: 0 auto;
  padding: 18px 14px 48px;
}

.hero{
  background: rgba(255,255,255,0.58);
  border: 2px solid var(--stroke);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 18px;
}

.hero-badge{
  display:inline-flex;
  align-items:center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(11,58,156,0.10);
  border: 2px solid rgba(11,58,156,0.18);
  font-weight: 900;
}

.hero-title{
  margin: 10px 0 6px;
  font-size: 36px;
  font-weight: 1000;
  letter-spacing: 0.2px;
}

.hero-sub{
  margin: 0;
  font-weight: 800;
  color: rgba(11,58,156,0.85);
}

.block{
  margin-top: 14px;
  background: rgba(255,255,255,0.62);
  border: 2px solid var(--stroke);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 16px;
}

.block h2{
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 1000;
}

.block-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 12px;
}

.block-text{
  margin: 0;
  font-weight: 800;
  color: rgba(11,58,156,0.86);
  line-height: 1.45;
}

.btn{
  height: 44px;
  padding: 0 14px;
  border-radius: 16px;
  border: 0;
  background: var(--yellow);
  color: var(--blue2);
  font-weight: 1000;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 10px 22px rgba(251,191,0,0.20);
}

.gallery-section{
  margin-top: 14px;
}

.section-title{
  font-weight: 1000;
  margin: 10px 2px 10px;
  font-size: 18px;
}

.section-note{
  margin-top: 10px;
  font-weight: 800;
  color: rgba(11,58,156,0.75);
}

/* Masonry via columns (ideal für Hochkantkarten) */
.gallery{
  column-count: 2;
  column-gap: 12px;
}

@media (min-width: 700px){
  .gallery{ column-count: 3; }
}
@media (min-width: 1050px){
  .gallery{ column-count: 4; }
}

.item{
  break-inside: avoid;
  margin: 0 0 12px;
  border-radius: 18px;
  overflow:hidden;
  border: 2px solid rgba(11,58,156,0.18);
  background: rgba(255,255,255,0.65);
  box-shadow: 0 12px 26px rgba(10,45,120,0.12);
}

.item button{
  all: unset;
  cursor: pointer;
  display:block;
  width:100%;
}

.item img{
  width:100%;
  height:auto;
  display:block;
}

/* Fullscreen Viewer */
.viewer::backdrop{ background: rgba(0,0,0,0.55) }
.viewer{
  border: 0;
  padding: 0;
  width: min(980px, 96vw);
  background: transparent;
}

.viewer img{
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 2px solid rgba(251,191,0,0.50);
  background: rgba(255,255,255,0.85);
  box-shadow: 0 22px 60px rgba(0,0,0,0.25);
}

.viewer-close{
  position: fixed;
  top: calc(12px + env(safe-area-inset-top));
  right: 12px;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  border: 2px solid rgba(251,191,0,0.55);
  background: rgba(11,58,156,0.88);
  color: var(--yellow);
  font-size: 24px;
  font-weight: 1000;
  cursor: pointer;
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:12px;
  margin: 10px 2px 10px;
}
.section-meta{
  font-weight: 900;
  color: rgba(11,58,156,0.75);
  font-size: 13px;
}

/* Carousel */
.carousel{
  position: relative;
  background: rgba(255,255,255,0.55);
  border: 2px solid rgba(11,58,156,0.18);
  border-radius: var(--r);
  box-shadow: 0 14px 40px rgba(10,45,120,0.14);
  padding: 12px 52px; /* Platz für Pfeile */
}

/* fixe Anzahl sichtbarer Karten über CSS-Variable */
.carousel{
  --cols: 2;          /* default mobile */
  --gap: 12px;
}
@media (min-width: 520px){ .carousel{ --cols: 3; } }
@media (min-width: 850px){ .carousel{ --cols: 4; } }
@media (min-width: 1100px){ .carousel{ --cols: 5; } }

.track{
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - (var(--gap) * (var(--cols) - 1))) / var(--cols));
  gap: var(--gap);

  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;

  padding: 6px 2px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.track::-webkit-scrollbar{ display:none; }

.card-thumb{
  scroll-snap-align: start;
  border-radius: 18px;
  overflow: hidden;
  border: 2px solid rgba(11,58,156,0.18);
  background: rgba(255,255,255,0.75);
  box-shadow: 0 12px 26px rgba(10,45,120,0.10);
}

.card-thumb button{
  all: unset;
  display:block;
  width:100%;
  cursor:pointer;
}

.card-thumb img{
  width:100%;
  height:auto;
  display:block;
}

/* Pfeile */
.arrow{
  position:absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 44px;
  border-radius: 16px;
  border: 2px solid rgba(251,191,0,0.55);
  background: rgba(11,58,156,0.92);
  color: var(--yellow);
  font-size: 26px;
  font-weight: 1000;
  cursor: pointer;
  display:grid;
  place-items:center;
  user-select:none;
}

.arrow.left{ left: 10px; }
.arrow.right{ right: 10px; }
.arrow:disabled{
  opacity: 0.35;
  cursor: not-allowed;
}

.viewer img{
  max-height: 86vh;
  object-fit: contain;
}