@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;600;700;900&display=swap');

:root{
  --navy:#0F3E77;
  --navy-deep:#0A2C56;
  --navy-dark:#082744;
  --red:#E2001A;
  --red-dark:#B70016;
  --ink:#3F4A57;
  --wash:#F1F5F9;
  --line:#E2E8F0;
  --shadow:0 2px 14px rgba(10,44,86,.10);
  --shadow-lg:0 10px 34px rgba(10,44,86,.16);
  --wrap:1180px;
  --font:'Source Sans 3','Segoe UI',-apple-system,'Helvetica Neue',Arial,sans-serif;
}

*{box-sizing:border-box}
body{
  margin:0;font-family:var(--font);font-size:17px;line-height:1.65;
  color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
h1,h2{color:var(--navy);margin:0;line-height:1.18;letter-spacing:-.015em}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 26px}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:2px}

/* Kopfzeile */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:52px;width:auto}
.brand-name{font-weight:900;font-size:20px;letter-spacing:.02em;color:var(--navy);line-height:1.1}
.brand-name .accent{color:var(--red)}
.brand-sub{display:block;font-size:11px;font-weight:600;letter-spacing:.16em;color:#8493A5}
.back{font-weight:600;font-size:16px;display:flex;align-items:center;gap:8px}
.back:hover{color:var(--red)}

/* Kopfbereich */
.head{background:var(--wash);padding:46px 0 40px;border-bottom:1px solid var(--line)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--red);margin-bottom:12px}
.head h1{font-size:clamp(28px,3.4vw,38px);font-weight:700}
.head p{margin-top:12px;max-width:60ch}

/* Raster */
main{padding:40px 0 70px}
.grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));
  gap:18px;list-style:none;margin:0;padding:0;
}
.tile{
  position:relative;background:var(--wash);border:1px solid var(--line);
  aspect-ratio:4/3;overflow:hidden;cursor:zoom-in;
  transition:transform .2s ease,box-shadow .2s ease;padding:0;
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.tile img{width:100%;height:100%;object-fit:cover}
.tile-name{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(to top,rgba(8,39,68,.88),rgba(8,39,68,0));
  color:#fff;font-size:13px;padding:26px 10px 8px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:left;
}

/* Leerzustand */
.empty{
  border:1px dashed var(--line);background:var(--wash);
  padding:56px 26px;text-align:center;color:#5A6775;
}
.empty strong{display:block;color:var(--navy);font-size:19px;margin-bottom:6px}

/* Lightbox */
.lb{
  position:fixed;inset:0;z-index:200;background:rgba(8,39,68,.96);
  display:none;align-items:center;justify-content:center;
}
.lb.is-open{display:flex}
.lb img{max-width:92vw;max-height:82vh;object-fit:contain;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb-bar{
  position:absolute;top:0;left:0;right:0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;padding:16px 20px;color:#fff;
}
.lb-title{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-count{font-size:14px;color:#9FBEDF;flex:none}
.lb button{
  background:rgba(255,255,255,.12);border:0;color:#fff;cursor:pointer;
  width:46px;height:46px;border-radius:50%;font-size:22px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:background .2s;
}
.lb button:hover{background:rgba(255,255,255,.28)}
.lb-close{position:absolute;top:14px;right:18px}
.lb-prev{position:absolute;left:20px;top:50%;transform:translateY(-50%)}
.lb-next{position:absolute;right:20px;top:50%;transform:translateY(-50%)}
.lb-hint{
  position:absolute;bottom:18px;left:0;right:0;text-align:center;
  color:#9FBEDF;font-size:13px;padding:0 20px;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:15px;
  letter-spacing:.06em;text-transform:uppercase;padding:14px 24px;border:0;
  cursor:pointer;font-family:var(--font);transition:background .2s,transform .2s;
}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-deep);transform:translateY(-2px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* Meldungen */
.note{padding:14px 18px;margin-bottom:22px;border-left:4px solid var(--navy);background:var(--wash);font-size:16px}
.note-ok{border-left-color:#1E7A46;background:#EEF8F1}
.note-err{border-left-color:var(--red);background:#FDF0F1}
.note ul{margin:6px 0 0;padding-left:20px}

/* Upload-Bereich */
.uploader{border:1px solid var(--line);padding:26px;margin-bottom:34px;background:#fff;box-shadow:var(--shadow)}
.uploader h2{font-size:21px;font-weight:700;margin-bottom:6px}
.uploader p{font-size:15px;color:#5A6775}
.drop{
  border:2px dashed var(--line);background:var(--wash);padding:34px 20px;
  text-align:center;margin:18px 0;transition:border-color .2s,background .2s;
}
.drop.is-over{border-color:var(--red);background:#FDF0F1}
.drop input[type=file]{margin:0 auto;max-width:100%}
.filelist{font-size:15px;color:var(--navy);margin-top:10px;font-weight:600}

/* Fusszeile */
.footer{background:var(--navy-dark);color:#AFC3DA;padding:26px 0;font-size:14px;margin-top:auto}
.footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer a{color:#AFC3DA}
.footer a:hover{color:#fff}

body{display:flex;flex-direction:column;min-height:100vh}
main{flex:1}

@media (max-width:640px){
  body{font-size:16px}
  .brand img{height:42px}
  .brand-name{font-size:17px}
  .brand-sub{display:none}
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .lb-prev{left:8px}
  .lb-next{right:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
}

/* Kategorie-Reiter */
.tabs{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:78px;z-index:50}
.tabs .wrap{display:flex;gap:6px}
.tabs a{
  display:flex;align-items:center;gap:9px;padding:16px 22px;font-weight:700;font-size:16px;
  color:#5A6775;border-bottom:3px solid transparent;margin-bottom:-1px;transition:color .2s,border-color .2s;
}
.tabs a:hover{color:var(--navy)}
.tabs a.is-active{color:var(--navy);border-bottom-color:var(--red)}
.tab-count{
  background:var(--wash);color:#5A6775;font-size:13px;font-weight:700;
  min-width:24px;height:24px;border-radius:12px;display:inline-flex;
  align-items:center;justify-content:center;padding:0 7px;
}
.tabs a.is-active .tab-count{background:var(--navy);color:#fff}

/* Kopfzeile rechts */
.topright{display:flex;align-items:center;gap:22px}
.lang{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px}
.lang a{color:#9AA7B6}
.lang a.is-active{color:var(--red)}
.lang i{font-style:normal;color:var(--line)}

@media (max-width:640px){
  .tabs{top:66px}
  .tabs a{padding:14px 14px;font-size:15px}
  .topright{gap:14px}
  .back span,.back{font-size:15px}
}