/* =========================================================
   Gerhard Kurt Müller — Theme Styles
   Behält die Anmutung der Originalseite (Schwarz/Weiß/Grau,
   Kasten-Marker vor den Überschriften), aber:
   - fluid statt 1000px fix
   - keine absolut positionierten Überschriften mehr
   - Galerie als CSS-Grid statt 215px-Floats
   - lesbare Linkfarben, sichtbarer Fokus
   ========================================================= */

:root {
  --gkm-ink:        #0a0000;
  --gkm-ink-soft:   #2f2626;
  --gkm-paper:      #ffffff;
  --gkm-canvas:     #d4d2d1;
  --gkm-line:       #c9c6c4;
  --gkm-muted:      #6b6461;
  --gkm-link:       #1c1412;
  --gkm-link-hover: #b00020;
  --gkm-accent:     #b00020;
  --gkm-header-fg:  #cccccc;

  --gkm-maxw:       1100px;
  --gkm-gutter:     clamp(1.25rem, 4vw, 3.25rem);
  --gkm-section-y:  clamp(2.5rem, 6vw, 4.5rem);

  --gkm-font:       "Helvetica Neue", Helvetica, Arial, sans-serif;
  --gkm-font-title: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --gkm-fs-base:    clamp(1rem, 0.94rem + 0.25vw, 1.125rem);
}

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

html {
  background-color: var(--gkm-canvas);
  scroll-behavior: smooth;
  /* Sticky-Header nicht über den Anker-Zielen kleben lassen */
  scroll-padding-top: 5.5rem;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0 auto;
  max-width: var(--gkm-maxw);
  background-color: var(--gkm-paper);
  color: var(--gkm-ink);
  font-family: var(--gkm-font);
  font-size: var(--gkm-fs-base);
  line-height: 1.6;
  text-align: left;
}

@media (min-width: 1140px) {
  body {
    margin: 10px auto 40px;
    border: 1px solid var(--gkm-ink);
    border-right-width: 3px;
    border-bottom-width: 3px;
  }
}

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

a {
  color: var(--gkm-link);
  text-decoration: underline;
  text-underline-offset: .18em;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(10, 0, 0, .35);
}
a:hover, a:focus-visible { color: var(--gkm-link-hover); text-decoration-color: currentColor; }

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

.gkm-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--gkm-ink);
  color: #fff;
  padding: .75rem 1.25rem;
  text-decoration: none;
}
.gkm-skip-link:focus { left: 0; }

.gkm-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------------------------------------------------------
   Header
   Basis = mobil (gestapelt, Burger-Menu).
   Ab 861px das Layout der Originalseite: Portrait links,
   Namensbalken über die volle Breite, Menü rechts untereinander.
   --------------------------------------------------------- */

.gkm-header {
  background-color: var(--gkm-ink);
  color: var(--gkm-header-fg);
  position: relative;
}

.gkm-header__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: clamp(1.25rem, 3vw, 2rem) var(--gkm-gutter) clamp(1rem, 2.5vw, 1.5rem);
}

.gkm-header__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.gkm-header__portrait {
  flex: 0 0 auto;
  width: clamp(96px, 14vw, 166px);
}
.gkm-header__portrait img {
  width: 100%;
  height: auto;
  filter: grayscale(1) contrast(1.05);
}

.gkm-header__title {
  margin: 0;
  margin-left: auto;
  padding: .35em .5em;
  background-color: var(--gkm-ink-soft);
  color: #fff;
  font-family: var(--gkm-font-title);
  font-weight: 400;
  font-size: clamp(1.35rem, 1rem + 2.2vw, 2.5rem);
  line-height: 1.15;
  text-align: right;
  letter-spacing: -0.01em;
}
.gkm-header__title a { color: inherit; text-decoration: none; }

.gkm-header__tagline {
  margin: 0;
  color: #8d8580;
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: right;
}

/* --- Navigation --- */

.gkm-nav__toggle {
  display: none;
  align-items: center;
  gap: .6rem;
  margin-left: auto;
  padding: .6rem .9rem;
  background: transparent;
  border: 1px solid #5a4f4b;
  color: var(--gkm-header-fg);
  font: inherit;
  font-size: .95rem;
  cursor: pointer;
}
.gkm-nav__toggle:hover { border-color: var(--gkm-header-fg); color: #fff; }

.gkm-nav__burger {
  display: inline-block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
}
.gkm-nav__burger::before,
.gkm-nav__burger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.gkm-nav__burger::before { top: -6px; }
.gkm-nav__burger::after  { top: 6px; }

[aria-expanded="true"] .gkm-nav__burger { background: transparent; }
[aria-expanded="true"] .gkm-nav__burger::before { transform: translateY(6px) rotate(45deg); }
[aria-expanded="true"] .gkm-nav__burger::after  { transform: translateY(-6px) rotate(-45deg); }

.gkm-nav__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .35rem 1.35rem;
  margin: 0;
  padding: 0;
  text-align: right;
}

.gkm-nav__list a {
  color: var(--gkm-header-fg);
  text-decoration: none;
  font-size: .98rem;
  padding: .2rem 0;
  border-bottom: 1px solid transparent;
  display: inline-block;
}
.gkm-nav__list a:hover,
.gkm-nav__list a:focus-visible,
.gkm-nav__list a[aria-current="true"] {
  color: #fff;
  border-bottom-color: currentColor;
}

/* --- Desktop: Layout wie auf der Originalseite --- */

@media (min-width: 861px) {
  .gkm-header__inner {
    /* Spalte statt absoluter Positionierung: das Menü wird mit
       margin-top:auto nach unten geschoben und kann den Namensbalken
       damit nie überlappen, egal wie groß dessen Schrift skaliert. */
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 50px 0 18px;
    min-height: 400px;
  }

  .gkm-header__top { display: block; }

  /* Portrait frei links, wie im Original */
  .gkm-header__portrait {
    position: absolute;
    top: 30px;
    left: 40px;
    width: 166px;
    z-index: 2;
  }

  /* Namensbalken über die volle Breite */
  .gkm-header__title {
    margin: 0;
    padding: .3em 40px .3em 0;
    font-size: clamp(1.9rem, 3.1vw, 2.5rem);
    letter-spacing: .02em;
  }

  .gkm-header__tagline { padding-right: 40px; margin-top: .8rem; }

  /* Menü rechts unten, Einträge untereinander */
  .gkm-header .gkm-nav {
    margin-top: auto;
    padding: 1.5rem 40px 0 0;
  }
  .gkm-header .gkm-nav__list {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: flex-end;
    gap: 0;
  }
  .gkm-header .gkm-nav__list a {
    padding: 0;
    font-size: 1rem;
    line-height: 1.5;
  }
}

/* Sticky-Leiste, sobald der Header weggescrollt ist */
.gkm-stickybar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  background: rgba(10, 0, 0, .96);
  color: var(--gkm-header-fg);
  transform: translateY(-100%);
  transition: transform .25s ease;
}
.gkm-stickybar.is-visible { transform: translateY(0); }
.gkm-stickybar__inner {
  max-width: var(--gkm-maxw);
  margin: 0 auto;
  padding: .55rem var(--gkm-gutter);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.gkm-stickybar__name {
  font-family: var(--gkm-font-title);
  font-size: .85rem;
  white-space: nowrap;
  color: #fff;
  text-decoration: none;
}
/* In der Leiste bleibt das Menü immer waagerecht */
.gkm-stickybar .gkm-nav__list {
  flex: 1;
  flex-direction: row;
  flex-wrap: wrap;
  gap: .2rem .9rem;
}
.gkm-stickybar .gkm-nav__list a {
  font-size: .84rem;
  white-space: nowrap;
}

@media (max-width: 860px) {
  /* Auf dem Handy keine eingeblendete Leiste – sie kostet dort nur Höhe */
  .gkm-stickybar { display: none; }

  .gkm-nav__toggle { display: inline-flex; }

  .gkm-nav__list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    text-align: left;
    gap: 0;
    border-top: 1px solid #3a302c;
    margin-top: 1rem;
    padding-top: .5rem;
  }
  .gkm-nav__list.is-open { display: flex; }
  .gkm-nav__list li { border-bottom: 1px solid #241c19; }
  .gkm-nav__list a { display: block; padding: .7rem 0; border-bottom: 0; }

  /* Sticky-Leiste mobil: Name + Burger, Liste klappt darunter auf */
  .gkm-stickybar__inner { flex-wrap: wrap; }
  .gkm-stickybar .gkm-nav { width: 100%; }
  .gkm-stickybar .gkm-nav__list { flex-direction: column; margin-top: .5rem; }
  .gkm-stickybar .gkm-nav__list.is-open { display: flex; }
}

/* ---------------------------------------------------------
   Sections
   Original: div.main mit padding-top:100px, weil die h1
   absolut positioniert war. Beides entfällt.
   --------------------------------------------------------- */

.gkm-section {
  padding: var(--gkm-section-y) var(--gkm-gutter);
  border-bottom: 1px solid var(--gkm-line);
}
.gkm-section:last-of-type { border-bottom: 0; }

.gkm-section__title,
.gkm-page__title {
  position: relative;
  margin: 0 0 1.5rem;
  padding-left: 2.2rem;
  font-size: clamp(1.5rem, 1.15rem + 1.5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.2;
  scroll-margin-top: 5.5rem;
}
.gkm-section__title::before,
.gkm-page__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .42em;
  width: 16px;
  height: 16px;
  background: var(--gkm-ink);
}
.gkm-section__title small,
.gkm-section__suffix {
  font-size: .62em;
  font-weight: 400;
  color: var(--gkm-muted);
}

.gkm-section__subtitle {
  margin: 2.25rem 0 1rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .01em;
}
.gkm-section__subtitle:first-of-type { margin-top: 0; }

.gkm-prose p { margin: 0 0 1.1em; }
.gkm-prose p:last-child { margin-bottom: 0; }
.gkm-prose { line-height: 1.7; }

.gkm-anchor {
  display: block;
  position: relative;
  top: -5.5rem;
  visibility: hidden;
}

/* "nach oben" — vorher absolut positioniert, jetzt im Fluss */
.gkm-totop {
  display: block;
  margin-top: 2rem;
  text-align: right;
  font-size: .9rem;
}
.gkm-totop a {
  color: var(--gkm-muted);
  text-decoration: none;
}
.gkm-totop a::before { content: "↑ "; }
.gkm-totop a:hover, .gkm-totop a:focus-visible { color: var(--gkm-link-hover); }

/* ---------------------------------------------------------
   Galerie — Grid statt Float
   --------------------------------------------------------- */

.gkm-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: clamp(.6rem, 1.6vw, 1rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 560px) {
  .gkm-gallery { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
}

.gkm-gallery__item { margin: 0; }

.gkm-gallery__link {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  padding: .5rem;
  border: 1px solid #9e9e9e;
  background: #fff;
  text-decoration: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.gkm-gallery__link:hover,
.gkm-gallery__link:focus-visible {
  border-color: var(--gkm-ink);
  box-shadow: 0 0 0 1px var(--gkm-ink);
}
.gkm-gallery__link img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* ---------------------------------------------------------
   Definitionslisten (Literatur, Stiftung, Impressum)
   --------------------------------------------------------- */

.gkm-deflist { margin: 0; }
.gkm-deflist__row {
  padding: 1rem 0;
  border-top: 1px solid var(--gkm-line);
}
.gkm-deflist__row:first-child { border-top: 0; padding-top: 0; }

.gkm-deflist dt {
  font-weight: 700;
  margin-bottom: .35rem;
}
.gkm-deflist dd {
  margin: 0;
  color: #241c19;
}
.gkm-deflist dd small { color: var(--gkm-muted); }
.gkm-deflist dd strong { display: inline-block; padding: .15em 0; }

@media (min-width: 760px) {
  .gkm-deflist__row {
    display: grid;
    grid-template-columns: minmax(180px, 30%) 1fr;
    gap: 0 2rem;
    align-items: start;
  }
  .gkm-deflist dt { margin-bottom: 0; }
}

/* Stiftung: Bild neben den Infos, statt absolut positioniert */
.gkm-stiftung { display: grid; gap: clamp(1.5rem, 4vw, 2.5rem); }
@media (min-width: 800px) {
  .gkm-stiftung { grid-template-columns: 1fr minmax(220px, 300px); align-items: start; }
  .gkm-stiftung__media { order: 2; }
}
.gkm-stiftung__link { display: block; text-decoration: none; }
.gkm-stiftung__media img { border: 1px solid #9e9e9e; width: 100%; }
.gkm-stiftung__media figcaption {
  margin-top: .5rem;
  font-size: .85rem;
  color: var(--gkm-muted);
}

/* ---------------------------------------------------------
   Veranstaltungen
   --------------------------------------------------------- */

.gkm-event {
  padding: clamp(1.25rem, 3vw, 1.75rem) 0;
  border-top: 1px solid var(--gkm-line);
}
.gkm-event:first-of-type { border-top: 0; padding-top: 0; }

.gkm-event__date {
  margin: 0 0 .5rem;
  font-weight: 700;
  font-size: 1.02rem;
}
.gkm-event__title {
  margin: 0 0 .9rem;
  font-size: clamp(1.15rem, 1rem + .6vw, 1.4rem);
  line-height: 1.3;
}
.gkm-event__body p { margin: 0 0 1em; }
.gkm-event__body p:last-child { margin-bottom: 0; }
.gkm-event__body .gkm-highlight,
.gkm-highlight { color: var(--gkm-accent); font-weight: 700; }

.gkm-event__media {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
  max-width: 720px;
}
.gkm-event__media img { border: 1px solid var(--gkm-line); width: 100%; }

.gkm-button {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-top: .5rem;
  padding: .7rem 1.15rem;
  background: var(--gkm-ink);
  color: #fff;
  border: 1px solid var(--gkm-ink);
  font: inherit;
  font-size: .95rem;
  text-decoration: none;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.gkm-button:hover, .gkm-button:focus-visible {
  background: transparent;
  color: var(--gkm-ink);
}

/* ---------------------------------------------------------
   Einzelseiten (Impressum / Datenschutz)
   --------------------------------------------------------- */

.gkm-page { padding: var(--gkm-section-y) var(--gkm-gutter); }
.gkm-page__content { max-width: none; }
.gkm-page__content h2 {
  margin: 2.25rem 0 .75rem;
  font-size: 1.35rem;
  line-height: 1.3;
}
.gkm-page__content h3 {
  margin: 1.75rem 0 .5rem;
  font-size: 1.12rem;
}
.gkm-page__content h4 {
  margin: 1.4rem 0 .4rem;
  font-size: 1rem;
  color: var(--gkm-ink-soft);
}
.gkm-page__content p { margin: 0 0 1em; }
.gkm-page__content ul { padding-left: 1.25rem; }
.gkm-page__content li { margin-bottom: .35em; }
.gkm-page__content a { word-break: break-word; }

.gkm-back {
  display: inline-block;
  margin-bottom: 1.75rem;
  font-size: .92rem;
  color: var(--gkm-muted);
  text-decoration: none;
}
.gkm-back::before { content: "← "; }
.gkm-back:hover { color: var(--gkm-link-hover); }

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */

.gkm-footer {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  background: var(--gkm-ink);
  color: #9a918c;
  padding: clamp(1.75rem, 3vw, 2.5rem) var(--gkm-gutter);
  font-size: .9rem;
}
.gkm-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
}
.gkm-footer a { color: #cdc5c0; text-decoration: none; }
.gkm-footer a:hover, .gkm-footer a:focus-visible { color: #fff; text-decoration: underline; }
.gkm-footer__text { margin: 0; }
.gkm-footer__links { display: flex; flex-wrap: wrap; gap: 1.25rem; }

/* ---------------------------------------------------------
   Lightbox (ersetzt Prototype/Scriptaculous)
   --------------------------------------------------------- */

.gkm-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  background: rgba(10, 0, 0, .93);
  color: #fff;
  padding: clamp(.75rem, 3vw, 2rem);
}
.gkm-lightbox.is-open { display: grid; grid-template-rows: auto 1fr auto; gap: .75rem; }

.gkm-lightbox__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: .9rem;
  color: #b8afaa;
}

.gkm-lightbox__stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}
.gkm-lightbox__img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
}
.gkm-lightbox__caption {
  text-align: center;
  font-size: .95rem;
  line-height: 1.5;
  color: #e7e2df;
  max-width: 72ch;
  margin: 0 auto;
  min-height: 1.5em;
}

.gkm-lightbox__btn {
  background: transparent;
  border: 1px solid #5a4f4b;
  color: #fff;
  font: inherit;
  line-height: 1;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  display: grid;
  place-items: center;
  cursor: pointer;
  border-radius: 50%;
  flex: 0 0 auto;
}
/* muss nach display:grid stehen – sonst gewinnt die Regel gegen [hidden] */
.gkm-lightbox__btn[hidden] { display: none; }

.gkm-lightbox__icon {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
}
.gkm-lightbox__btn:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.gkm-lightbox__btn[disabled] { opacity: .3; cursor: default; }

.gkm-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
.gkm-lightbox__nav--prev { left: 0; }
.gkm-lightbox__nav--next { right: 0; }

.gkm-lightbox__spinner {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  color: #b8afaa;
  font-size: .9rem;
}
.gkm-lightbox.is-loading .gkm-lightbox__spinner { display: grid; }

body.gkm-noscroll { overflow: hidden; }

/* ---------------------------------------------------------
   Print
   --------------------------------------------------------- */

@media print {
  .gkm-header, .gkm-stickybar, .gkm-footer, .gkm-totop, .gkm-lightbox { display: none !important; }
  body { max-width: none; border: 0; font-size: 11pt; }
  .gkm-section { padding: 1rem 0; page-break-inside: avoid; }
  a { text-decoration: none; color: #000; }
}