/* Verein Potsdamer Stadtschloss e.V. — Farben aus dem Vereinsbanner (Navy #003b6f, Gold #e7c318) */
@font-face{font-family:"Cormorant";src:url(fonts/cormorant-garamond-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Cormorant";src:url(fonts/cormorant-garamond-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Cormorant";src:url(fonts/cormorant-garamond-latin-500-italic.woff2) format("woff2");font-weight:500;font-style:italic;font-display:swap}
@font-face{font-family:"Source Serif";src:url(fonts/source-serif-4-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Source Serif";src:url(fonts/source-serif-4-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Source Serif";src:url(fonts/source-serif-4-latin-400-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Cinzel";src:url(fonts/cinzel-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --navy:#003b6f; --navy-tief:#002648; --gold:#e7c318; --gold-tief:#9a7f00;
  --papier:#ffffff; --grund:#f1efe9; --text:#1f2530; --leise:#5a6170; --linie:#dcd7cb;
  --breite:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--grund);color:var(--text);font:400 1.0625rem/1.68 "Source Serif",Georgia,serif}
img{max-width:100%;height:auto}
a{color:var(--navy);text-decoration-color:rgba(0,59,111,.35);text-underline-offset:.18em}
a:hover{text-decoration-color:var(--gold-tief)}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.springen{position:absolute;left:-999px}.springen:focus{left:1rem;top:1rem;z-index:9;background:#fff;padding:.5rem 1rem}
.unsichtbar{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

.vorschau{background:var(--gold);color:var(--navy-tief);text-align:center;font:600 .85rem/1.4 "Source Serif",serif;padding:.45rem 1rem}
.vorschau a{color:inherit}

/* Kopf: das Vereinsbanner bleibt, wie es ist */
.kopf{background:var(--navy)}
.kopf-innen{display:block;max-width:var(--breite);margin:0 auto}
.banner{display:block;width:100%;height:auto}
.banner-klein{display:none}

/* Hauptmenü */
.menue{background:#fff;border-bottom:1px solid var(--linie)}
.menue>ul{display:flex;flex-wrap:wrap;justify-content:center;gap:0;max-width:var(--breite);margin:0 auto;padding:0;list-style:none}
.menue li{position:relative}
.menue a{display:block;padding:1rem .95rem .9rem;font:500 .8rem/1 "Cinzel",serif;letter-spacing:.07em;text-transform:uppercase;color:var(--navy);text-decoration:none;border-bottom:3px solid transparent}
.menue>ul>li.aktiv>a,.menue>ul>li>a:hover{border-bottom-color:var(--gold)}
.menue ul ul{display:none;position:absolute;left:0;top:100%;min-width:17rem;background:#fff;border:1px solid var(--linie);border-top:3px solid var(--gold);padding:.4rem 0;margin:0;list-style:none;z-index:5;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.menue li:hover>ul,.menue li:focus-within>ul{display:block}
.menue ul ul a{font:400 1rem/1.3 "Source Serif",serif;letter-spacing:0;text-transform:none;padding:.55rem 1.1rem;border:0}
.menue ul ul a:hover,.menue ul ul a[aria-current]{background:var(--grund)}
.menue-mobil{display:none}

/* Inhalt */
main{max-width:var(--breite);margin:0 auto;padding:2.2rem 1.25rem 3rem}
.spalten{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:2.2rem;align-items:start}
.text{background:var(--papier);padding:2.2rem 2.6rem 2.6rem;border:1px solid var(--linie)}
.text.breit{max-width:none}
h1,h2,h3,h4{font-family:"Cormorant",Georgia,serif;color:var(--navy);line-height:1.15;font-weight:600}
h1{font-size:2.5rem;margin:0 0 1.2rem}
h2{font-size:1.75rem;margin:2.2rem 0 .7rem}
h3{font-size:1.4rem;margin:1.8rem 0 .5rem}
.text p{margin:0 0 1.05rem}
.text img{display:block;margin:1.2rem auto}
.text .bildreihe{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:.8rem;margin:1.2rem 0}
.text .bildreihe img{margin:0;width:100%;height:220px;object-fit:cover}
.text blockquote{margin:1.4rem 0;padding:.2rem 0 .2rem 1.3rem;border-left:3px solid var(--gold);font-style:italic;color:var(--leise)}
.text table{border-collapse:collapse;width:100%;margin:1rem 0}
.text td,.text th{border:1px solid var(--linie);padding:.45rem .6rem;vertical-align:top}
.text hr{border:0;border-top:1px solid var(--linie);margin:2rem 0}
.text video{display:block;width:100%;max-height:70vh;background:#000;margin:1.2rem 0}
.titelbild{width:100%;max-height:520px;object-fit:cover;margin:0 0 1.6rem!important}
.datum{font:500 .74rem/1 "Cinzel",serif;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-tief);margin:0 0 .6rem!important}
.blaettern{display:flex;justify-content:space-between;gap:1rem;margin-top:2.4rem;padding-top:1.2rem;border-top:1px solid var(--linie);font-size:.95rem}
.zurueck{margin:0 0 .4rem!important;font-size:.95rem}
.unterseiten{padding-left:1.2rem}.unterseiten li{margin:.4rem 0;font-size:1.15rem}

/* Beitragskarten */
.karte{display:grid;grid-template-columns:230px 1fr;gap:1.5rem;padding:0 0 1.8rem;margin:0 0 1.8rem;border-bottom:1px solid var(--linie)}
.karte:last-of-type{border-bottom:0}
.karte img{margin:0;width:230px;height:230px;object-fit:cover}
.karte h2{font-size:1.65rem;margin:0 0 .6rem}
.karte h2 a{text-decoration:none}
.karte p{margin:0 0 .8rem}
.weiter{font:500 .76rem/1 "Cinzel",serif;letter-spacing:.07em;text-transform:uppercase}

/* Knöpfe und Kästen */
.knopf{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;padding:.7rem 1.15rem;font:500 .76rem/1.3 "Cinzel",serif;letter-spacing:.07em;text-transform:uppercase;border:2px solid var(--navy);margin:.2rem .3rem .2rem 0}
.knopf:hover{background:var(--navy-tief);border-color:var(--gold)}
.knopf.hell{background:#fff;color:var(--navy)}
.knopf.hell:hover{background:var(--grund)}
.leiste{display:grid;gap:1.4rem}
.kasten{background:#fff;border:1px solid var(--linie);border-top:3px solid var(--gold);padding:1.2rem 1.3rem 1.3rem}
.kasten h2{font-size:1.45rem;margin:0 0 .8rem}
.kasten img{display:block;margin:0 auto .9rem;max-height:340px;width:auto;box-shadow:0 4px 14px rgba(0,0,0,.14)}
.kasten p{font-size:.97rem;margin:0 0 .9rem}
.text .kasten{margin:2rem 0 0}
.entwurf-hinweis{background:#fff8d6;border:1px dashed var(--gold-tief);padding:.7rem .9rem;font-size:.95rem}

/* Chronik */
.chronik-hinweis{color:var(--leise);font-style:italic}
.chronik{list-style:none;margin:1.4rem 0 0;padding:0 0 0 1.4rem;border-left:2px solid var(--gold)}
.chronik li{position:relative;margin:0 0 1.6rem}
.chronik li::before{content:"";position:absolute;left:-1.4rem;top:.35rem;width:11px;height:11px;margin-left:-6px;background:var(--navy);border:2px solid var(--gold);border-radius:50%}
.chronik-datum{font:500 .84rem/1.3 "Cinzel",serif;letter-spacing:.06em;text-transform:uppercase;color:var(--navy);margin-bottom:.3rem}
.chronik-text p{margin:0 0 .5rem}

/* Archiv */
.archiv{list-style:none;padding:0;margin:0 0 1.5rem}
.archiv li{display:grid;grid-template-columns:11rem 1fr;gap:1rem;padding:.45rem 0;border-bottom:1px solid var(--grund)}
.archiv span{color:var(--leise);font-size:.93rem}

/* Mitteilungen: Heft-Kacheln */
.hefte{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:1.4rem;margin:0 0 2rem}
.heft{text-decoration:none;text-align:center}
.heft img{margin:0 0 .6rem;width:100%;aspect-ratio:7/10;object-fit:cover;box-shadow:0 5px 16px rgba(0,0,0,.18);transition:transform .15s}
.heft:hover img{transform:translateY(-3px)}
.heft span{font:500 .76rem/1.3 "Cinzel",serif;letter-spacing:.05em;text-transform:uppercase}

/* Blätterkatalog */
.leser{margin:1.4rem 0 .5rem;background:#2b2f36;padding:1.4rem 1rem 1rem;border-radius:2px}
.leser .buch{margin:0 auto;max-width:1100px}
.leser.quer .buch{max-width:1000px}
.leser .seite{background:#fff}
.leser .seite img{margin:0!important;width:100%;height:100%;object-fit:contain;display:block}
.leser-leiste{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.6rem;margin-top:1rem;color:#fff;font-size:.95rem}
.leser-leiste button,.leser-leiste a{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);padding:.45rem .9rem;font:inherit;cursor:pointer;text-decoration:none}
.leser-leiste button:hover,.leser-leiste a:hover{border-color:var(--gold);color:var(--gold)}
.leser-leiste [data-a="zurueck"],.leser-leiste [data-a="vor"]{font-size:1.4rem;line-height:1;padding:.25rem .85rem}
.leser:fullscreen{display:flex;flex-direction:column;justify-content:center;padding:2vh 2vw;border-radius:0}
.leser:fullscreen .buch{max-width:min(95vw,calc(88vh * var(--seitenformat, 1.42)))}

/* YouTube erst nach Klick */
.yt{aspect-ratio:16/9;background:#111 center/cover;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:.7rem;margin:1.2rem 0;color:#ddd;text-align:center;padding:1rem}
.yt button{background:var(--gold);color:var(--navy-tief);border:0;padding:.8rem 1.3rem;font:600 1rem "Source Serif",serif;cursor:pointer}
.yt span{font-size:.85rem}
.yt iframe{width:100%;height:100%;border:0}

.fuss{background:var(--navy);color:#dfe6ef;text-align:center;padding:1.8rem 1rem;font-size:.92rem}
.fuss p{margin:.3rem 0}.fuss a{color:#fff}

@media (max-width:980px){
  .spalten{grid-template-columns:1fr}
  .leiste{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
  .menue{display:none}
  .menue-mobil{display:block;background:#fff;border-bottom:1px solid var(--linie)}
  .menue-mobil summary{list-style:none;cursor:pointer;padding:.9rem 1.25rem;font:500 .9rem/1 "Cinzel",serif;letter-spacing:.08em;text-transform:uppercase;color:var(--navy)}
  .menue-mobil summary::-webkit-details-marker{display:none}
  .menue-mobil summary::before{content:"☰  "}
  .menue-mobil ul{list-style:none;margin:0;padding:0 0 .6rem}
  .menue-mobil a{display:block;padding:.65rem 1.25rem;text-decoration:none;border-top:1px solid var(--grund)}
  .menue-mobil ul ul a{padding-left:2.4rem;font-size:.95rem}
  .menue-mobil li.aktiv>a{border-left:4px solid var(--gold)}
}
@media (max-width:700px){
  .banner{display:none}
  .banner-klein{display:flex;align-items:center;gap:.8rem;padding:.7rem 1rem;color:var(--gold);text-decoration:none;font:500 .92rem/1.25 "Cinzel",serif;letter-spacing:.04em;text-transform:uppercase}
  .banner-klein img{width:58px;height:58px}
  .banner-klein small{display:block;color:#fff;font-size:.72rem;letter-spacing:.12em;margin-bottom:.2rem}
  main{padding:1rem .75rem 2rem}
  .text{padding:1.3rem 1.15rem 1.6rem}
  h1{font-size:2rem}
  .karte{grid-template-columns:1fr;gap:.9rem}
  .karte img{width:100%;height:210px}
  .archiv li{grid-template-columns:1fr;gap:0}
  .leser{margin-left:-1.15rem;margin-right:-1.15rem;padding:1rem .4rem .8rem}
}