/* ==========================================================================
   W.K.St.V. Unitas Stolzenfels — Stylesheet
   Alle Design-Tokens hier oben als CSS-Variablen. Keine Hex-Werte in Regeln.
   ========================================================================== */

:root {
  /* Farben: weiß – blau – gold */
  --color-white: #ffffff;
  --color-blue: #15407f;
  --color-blue-dark: #0b2a55;
  --color-gold: #d4af37;
  --color-ink: #1c2630;
  --color-muted: #5a6b82;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-border: #dde5f0;

  /* Schrift */
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Abstände */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Layout */
  --maxw-content: 70rem;
  --radius: 6px;
  --shadow: 0 2px 10px rgba(11, 42, 85, 0.08);
}

/* --- Reset / Basis --- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.65;
}

h1, h2, h3 { font-family: var(--font-serif); line-height: 1.2; color: var(--color-blue-dark); }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin: 0 0 var(--space-sm); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin: 0 0 var(--space-sm); }
h3 { font-size: 1.2rem; margin: 0 0 var(--space-xs); }

p { margin: 0 0 var(--space-sm); }

a { color: var(--color-blue); }
a:hover { color: var(--color-blue-dark); }

img { max-width: 100%; height: auto; display: block; }

:focus-visible { outline: 3px solid var(--color-gold); outline-offset: 2px; }

.container { width: 100%; max-width: var(--maxw-content); margin-inline: auto; padding-inline: var(--space-md); }

.section { padding-block: var(--space-xl); }
.section--alt { background: var(--color-bg-alt); }
.section__lead { max-width: 48rem; color: var(--color-muted); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  background: var(--color-gold);
  color: var(--color-blue-dark);
  font-weight: 700;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid var(--color-gold);
}
.btn:hover { background: var(--color-blue-dark); color: var(--color-white); border-color: var(--color-blue-dark); }
.btn--ghost { background: transparent; color: var(--color-white); border-color: var(--color-white); }
.btn--ghost:hover { background: var(--color-white); color: var(--color-blue-dark); border-color: var(--color-white); }

/* --- Kopfzeile / Navigation --- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--space-sm);
  padding-block: var(--space-sm);
}
.brand { font-family: var(--font-serif); font-weight: 700; color: var(--color-blue-dark); text-decoration: none; font-size: 1.05rem; }
.brand span { color: var(--color-gold); }

.nav-toggle { display: none; }

.site-nav ul {
  display: flex; flex-wrap: wrap; gap: var(--space-sm);
  list-style: none; margin: 0; padding: 0;
}
.site-nav a { text-decoration: none; color: var(--color-ink); padding: 0.25rem 0; }
.site-nav a:hover { color: var(--color-blue); }

/* --- Hero --- */
.hero {
  color: var(--color-white);
  background-color: var(--color-blue-dark);
  background-image: linear-gradient(rgba(11,42,85,0.82), rgba(11,42,85,0.82)), url("../assets/img/wappen.png");
  background-size: cover, contain;
  background-position: center;
  background-repeat: no-repeat;
}
.hero .container { padding-block: var(--space-xl); }
.hero h1 { color: var(--color-white); }
.hero__year { color: var(--color-gold); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.9rem; }
.hero__lead { font-size: 1.2rem; max-width: 42rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-md); }

/* --- Karten-Raster (Prinzipien) --- */
.grid { display: grid; gap: var(--space-md); grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.card {
  background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: var(--space-md); box-shadow: var(--shadow);
}
.card h3 { color: var(--color-blue); }
.card__tag { color: var(--color-gold); font-weight: 700; }

/* --- Details / Mehr lesen --- */
details { border-top: 1px solid var(--color-border); margin-top: var(--space-md); padding-top: var(--space-sm); }
summary { cursor: pointer; font-weight: 700; color: var(--color-blue); }
summary:hover { color: var(--color-blue-dark); }

/* --- Chargen --- */
.chargen { display: grid; gap: var(--space-md); grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); list-style: none; margin: var(--space-md) 0 0; padding: 0; }
.charge { text-align: center; }
.charge img { width: 9rem; height: 9rem; object-fit: cover; border-radius: 50%; margin: 0 auto var(--space-xs); border: 3px solid var(--color-gold); background: var(--color-bg-alt); }
.charge__name { font-weight: 700; }
.charge__role { color: var(--color-muted); margin: 0; }

/* --- Programm / Veranstaltungen --- */
.events { list-style: none; margin: var(--space-md) 0 0; padding: 0; }
.event { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-sm); padding-block: var(--space-sm); border-bottom: 1px solid var(--color-border); }
.event__date { font-weight: 700; color: var(--color-blue); min-width: 9rem; }
.event__badge { background: var(--color-blue); color: var(--color-white); font-size: 0.75rem; padding: 0.1rem 0.5rem; border-radius: 999px; }
.event__badge--ho { background: var(--color-gold); color: var(--color-blue-dark); }
.event__note { color: var(--color-muted); }
.legend { color: var(--color-muted); font-size: 0.9rem; margin-top: var(--space-sm); }

/* --- Haus / Vermietung --- */
.split { display: grid; gap: var(--space-md); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 48rem) { .split { grid-template-columns: 1fr 1fr; } }
.rentals { list-style: none; padding: 0; margin: var(--space-sm) 0 0; }
.rentals li { padding: var(--space-xs) 0; border-bottom: 1px solid var(--color-border); }
.split img { border-radius: var(--radius); }
.rental-photo { margin: var(--space-sm) 0 0; }
.rental-photo figcaption { margin-top: 4px; font-size: 0.9em; color: var(--color-blue-dark); }

/* --- Fußzeile / Kontakt --- */
.site-footer { background: var(--color-blue-dark); color: var(--color-white); padding-block: var(--space-lg); }
.site-footer a { color: var(--color-gold); }
.footer-grid { display: grid; gap: var(--space-md); grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.site-footer h2 { color: var(--color-white); }
.site-footer__bottom { margin-top: var(--space-md); padding-top: var(--space-sm); border-top: 1px solid rgba(255,255,255,0.2); font-size: 0.85rem; color: rgba(255,255,255,0.75); }

/* --- Mobile Navigation (Progressive Enhancement) ---
   Ohne JS bleiben die Links sichtbar (umgebrochen). Mit JS wird auf schmalen
   Schirmen ein Umschalter aktiviert (.js-Klasse von enhance.js gesetzt). */
@media (max-width: 40rem) {
  .js .nav-toggle {
    display: inline-block;
    background: var(--color-blue); color: var(--color-white);
    border: 0; border-radius: var(--radius); padding: 0.5rem 0.9rem; cursor: pointer;
    font-size: 1rem;
  }
  .js .site-nav { flex-basis: 100%; }
  .js .site-nav[hidden] { display: none; }
  .js .site-nav ul { flex-direction: column; gap: var(--space-xs); }
}