/*
 * ════════════════════════════════════════════════════════════
 *  style.css — Hauptstylesheet
 *  Nicht bearbeiten. Anpassungen nur in theme.css.
 * ════════════════════════════════════════════════════════════
 */

/* ── RESET & BASE ──────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ── HEADER / NAVIGATION ──────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-nav-border);
  display: flex;
  align-items: center;
  padding: 0 var(--page-margin);
  gap: 2rem;
}

.site-header__logo {
  font-size: var(--text-sm);
  letter-spacing: var(--nav-letter-spacing);
  text-transform: uppercase;
  color: var(--color-nav-text);
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.site-header__logo-img {
  max-height: calc(var(--header-height) - 1.2rem);
  width: auto;
  display: block;
}

/* Desktop navigation */
.site-nav {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  flex: 1;
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: block;
  padding: 0 1rem;
  height: var(--header-height);
  line-height: var(--header-height);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--nav-letter-spacing);
  text-transform: uppercase;
  color: var(--color-nav-text);
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

.site-nav__link:hover,
.site-nav__link.is-active {
  opacity: 1;
}

.site-nav__dropdown {
  position: absolute;
  top: calc(var(--header-height) - 1px);
  left: 0;
  min-width: 14rem;
  background: var(--color-nav-bg);
  border: 1px solid var(--color-nav-border);
  border-top: none;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 200;
}

.site-nav__item:hover .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav__dropdown-link {
  display: block;
  padding: 0.6rem 1rem;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-nav-text);
  opacity: 0.5;
  transition: opacity var(--transition-base);
  border-bottom: 1px solid var(--color-nav-border);
}

.site-nav__dropdown-link:last-child { border-bottom: none; }

.site-nav__dropdown-link:hover,
.site-nav__dropdown-link.is-active { opacity: 1; }

/* Hamburger button (mobile only) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
  flex-shrink: 0;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-nav-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.hamburger.is-open .hamburger__line:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.is-open .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger.is-open .hamburger__line:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-nav-bg);
  padding: calc(var(--header-height) + 2rem) var(--page-margin) 3rem;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-1rem);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-menu__list { list-style: none; }

.mobile-menu__category {
  padding: 0.6rem 0;
}

.mobile-menu__category-link {
  display: block;
  font-size: var(--text-lg);
  letter-spacing: var(--nav-letter-spacing);
  text-transform: uppercase;
  color: var(--color-nav-text);
  margin-bottom: 1rem;
}

.mobile-menu__galleries {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.mobile-menu__gallery-link {
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-nav-text);
  opacity: 0.5;
}

.mobile-menu__gallery-link:hover,
.mobile-menu__gallery-link.is-active { opacity: 1; }

.mobile-menu__footer-divider {
  height: 1px;
  background: var(--color-nav-border);
  margin: 0.75rem 0;
  list-style: none;
}

.mobile-menu__footer-item {
  list-style: none;
}

.mobile-menu__footer-link {
  display: block;
  padding: 0.4rem 0;
  font-size: var(--text-sm);
  letter-spacing: var(--nav-letter-spacing);
  text-transform: uppercase;
  color: var(--color-nav-text);
  opacity: 0.6;
  text-decoration: none;
  transition: opacity 0.15s;
}

.mobile-menu__footer-link:hover { opacity: 1; }

/* ── PAGE LAYOUT ──────────────────────────────────────────── */

.site-main {
  padding-bottom: var(--footer-padding-v);
  overflow: hidden;
}

/* ── OVERVIEW PAGE (index.php) ───────────────────────────── */

.overview {
  padding: 0 var(--page-margin);
}

.overview__category {
  margin-bottom: calc(var(--photo-gap) * 2);
}

.overview__heading {
  font-size: var(--text-xs);
  letter-spacing: var(--nav-letter-spacing);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.gallery-grid-overview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
}

.gallery-card {
  display: block;
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-text);
}

.gallery-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s ease;
  opacity: 0.9;
}

.gallery-card:hover .gallery-card__img {
  transform: scale(1.03);
  opacity: 1;
}

.gallery-card__info {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-card:hover .gallery-card__info { opacity: 1; }

.gallery-card__title {
  font-size: var(--text-sm);
  letter-spacing: var(--nav-letter-spacing);
  text-transform: uppercase;
  color: #fff;
}

.gallery-card__date {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  margin-top: 0.2rem;
}

/* ── GALLERY PAGE ──────────────────────────────────────────── */

.gallery-header {
  padding: 0 var(--page-margin);
  margin-bottom: var(--photo-gap);
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.gallery-header__title {
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--nav-letter-spacing);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.gallery-header__date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* ── GALLERY INTRO ─────────────────────────────────────────── */

.gallery-intro {
  padding: clamp(2rem, 5vw, 4rem) var(--page-margin) clamp(2.5rem, 6vw, 5rem);
  width: 100%;
}

@media (min-width: 768px) {
  .gallery-intro {
    width: calc(var(--intro-col-span) / 12 * 100%);
  }
}

.gallery-intro__headline {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: var(--intro-headline-size);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0 0 1.5rem;
}

.gallery-intro__text {
  font-family: 'Inter', 'DM Sans', sans-serif;
  font-size: var(--intro-text-size);
  line-height: 1.65;
  color: var(--color-text-muted);
  margin: 0;
}



/*
 * Das Grid ist ein Flex-Container ohne Seitenabstand —
 * Fotos reichen von Rand zu Rand.
 *
 * Jedes .photo-row ist ein Flex-Item.
 * Die Breite kommt aus --container-width (= col_span/12 * 100%),
 * das main.js per CSS Custom Property setzt.
 *
 * container_align (data-ca) bestimmt, wohin sich ein
 * einzelnes Foto in einer Zeile orientiert (links/mittig/rechts).
 *
 * alignment (data-al) positioniert das Bild innerhalb
 * seines Containers (für Inset + Ausrichtung).
 *
 * line_break_before → .editorial-break (flex-basis:100%) erzwingt
 * eine neue Zeile.
 */

.editorial-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  row-gap: var(--photo-gap);
  padding-top: var(--grid-top-padding);
  /* Kein overflow:hidden — würde letzte Zeile beim Parallax abschneiden */
}

/* Zeilenumbruch: unsichtbarer 100%-breiter Spacer */
.editorial-break {
  flex-basis: 100%;
  height: 0;
  width: 100%;
}

/* Jedes Foto als Flex-Item. Breite kommt von JS via --container-width. */
.photo-row {
  width: var(--container-width, 33.333%);
  position: relative;
}

/*
 * container_align: wo sitzt das photo-row in seiner Zeile,
 * wenn noch Platz übrig ist?
 * (Funktioniert gut wenn ein Foto allein in einer Zeile ist.)
 */
.photo-row[data-ca="left"]   { margin-right: auto; }
.photo-row[data-ca="center"] { margin-left: auto; margin-right: auto; }
.photo-row[data-ca="right"]  { margin-left: auto; }

/* Das Bild (alignment + inset) */
.photo-row__figure {
  width: var(--photo-width, 100%);
  position: relative;
  z-index: var(--z-layer, 3);
  /* transform wird vollständig per JS gesetzt (X-Offset + Y-Offset + Parallax) */
  cursor: pointer;
}

/* alignment: wo sitzt die figure innerhalb des photo-row */
.photo-row[data-al="left"]   .photo-row__figure { margin-right: auto; }
.photo-row[data-al="center"] .photo-row__figure { margin-left: auto; margin-right: auto; }
.photo-row[data-al="right"]  .photo-row__figure { margin-left: auto; }

/* Das Bild selbst */
.photo-row__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.4s ease;
  cursor: pointer;
}

.photo-row__img.is-loading {
  opacity: 0;
}

/* Bildunterschrift */
.photo-row__caption {
  margin-top: 0.4rem;
  padding: 0 0.25rem;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  opacity: 0.7;
  letter-spacing: 0.04em;
}

.photo-row__caption-title { display: inline; }

.photo-row__caption-credits {
  display: inline;
  opacity: 0.6;
}
.photo-row__caption-credits::before { content: ' — '; }

/* ── LIGHTBOX ──────────────────────────────────────────────── */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--color-lightbox-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__img-wrap {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  transition: opacity 0.22s ease;
}

.lightbox__caption {
  position: absolute;
  bottom: -1.8rem;
  left: 0;
  right: 0;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.04em;
  text-align: center;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 1rem 1.25rem;
  transition: color var(--transition-base);
  z-index: 10;
  line-height: 1;
}

.lightbox__nav:hover { color: rgba(255,255,255,1); }
.lightbox__nav--prev { left: 0.5rem; }
.lightbox__nav--next { right: 0.5rem; }

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  padding: 0.5rem;
  transition: color var(--transition-base);
  z-index: 10;
  font-size: 1.25rem;
  line-height: 1;
}

.lightbox__close:hover { color: rgba(255,255,255,1); }

.lightbox__counter {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.1em;
}

/* ── MOBILE ────────────────────────────────────────────────── */

@media (max-width: 767px) {

  .site-nav { display: none; }

  .hamburger { display: flex; }

  .mobile-menu { display: block; }

  /* Lightbox auf Mobile: volle Breite, Buttons mit Hintergrund */
  .lightbox__img-wrap {
    max-width: 100vw;
    max-height: 100vh;
  }

  .lightbox__img {
    max-width: 100vw;
    max-height: 88vh;
  }

  .lightbox__nav,
  .lightbox__close {
    background: rgba(0, 0, 0, 0.40);
    border-radius: 50%;
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: rgba(255, 255, 255, 0.9);
  }

  .lightbox__nav {
    font-size: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
  }

  .lightbox__nav--prev { left: 0.75rem; }
  .lightbox__nav--next { right: 0.75rem; }

  .lightbox__close {
    top: 0.75rem;
    right: 0.75rem;
    font-size: 1rem;
  }

}

/* ── LAZY LOADING ──────────────────────────────────────────── */

@keyframes photo-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.photo-row__figure.is-visible {
  animation: photo-fade-in 0.45s ease forwards;
}

/* ── FOOTER ────────────────────────────────────────────────── */

.site-footer {
  margin-top: var(--footer-padding-v);
  padding: var(--footer-padding-v) var(--page-margin);
  border-top: 1px solid var(--color-footer-border);
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.site-footer__socials {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.site-footer__social-link {
  font-size: var(--text-sm);
  color: var(--color-footer-text);
  opacity: 0.85;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: opacity 0.2s;
}
.site-footer__social-link:hover { opacity: 1; }

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-footer-text);
  opacity: 0.7;
  letter-spacing: 0.03em;
}

.site-footer__links {
  display: flex;
  gap: 1.25rem;
}

.site-footer__link {
  font-size: var(--text-xs);
  color: var(--color-footer-text);
  opacity: 0.75;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: opacity 0.2s;
}
.site-footer__link:hover { opacity: 0.9; }

/* ── TEXTSEITEN ─────────────────────────────────────────────── */

.text-page {
  padding: 4rem var(--page-margin);
  width: 100%;
}

@media (min-width: 768px) {
  .text-page {
    width: calc(var(--intro-col-span) / 12 * 100%);
  }
}

.text-page__title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: var(--intro-headline-size);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 2.5rem;
  line-height: 1.15;
}

.text-page__body {
  font-family: 'Inter', 'DM Sans', sans-serif;
  font-size: var(--intro-text-size);
  line-height: 1.8;
  color: var(--color-text);
}

.text-page__body h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 400;
  margin: 2.5rem 0 0.75rem;
}

.text-page__body h3 {
  font-family: 'Inter', 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}

.text-page__body p    { margin-bottom: 1rem; }

.text-page__body a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-page__body a:hover { opacity: 0.6; }

.text-page__body ul,
.text-page__body ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.text-page__body li { margin-bottom: 0.3rem; }

/* ── UTILITIES ─────────────────────────────────────────────── */

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