/* Grundlayout */

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

:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: dark light;
  --bg: #05060a;
  --bg-alt: #10131a;
  --accent: #facc15;
  --accent-soft: rgba(250, 204, 21, 0.15);
  --text: #f9fafb;
  --muted: #9ca3af;
  --border: #1f2933;
  --radius-lg: 1.2rem;
  --shadow-soft: 0 18px 35px rgba(0, 0, 0, 0.45);
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #111827 0, #020617 45%, #000 100%);
  color: var(--text);
}

/* HEADER & FOOTER */

.site-header {
  text-align: center;
  padding: 2.5rem 1rem 1.5rem;
}

.site-header h1 {
  font-size: clamp(2rem, 3vw, 2.7rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}

.site-header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* NAVIGATION (alphabetisch sortierte Galerien) */

.gallery-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 1rem 1.5rem;
}

.gallery-nav a {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.gallery-nav a:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

/* SEITENINHALT */

.page-content {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

/* JEDE GALERIE-SEKTION */

.gallery {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(3, 7, 18, 0.95));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 1.5rem 1.5rem 2rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(148, 163, 184, 0.1);
}

.gallery h2 {
  margin: 0 0 1rem;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

/* SLIDER */

.slider {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.slides {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 0.3rem);
}

/* Einzelne Slides */

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateX(6%);
  transition: opacity 180ms ease-out, transform 180ms ease-out;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: radial-gradient(circle at top, #020617, #020617 55%, #000 100%);
}

.slide.is-active {
  position: relative;
  opacity: 1;
  transform: translateX(0);
}

.slide img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 520px;
  object-fit: contain;
}

.slide figcaption {
  padding-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

/* SLIDER-BUTTONS */

.slider-btn {
  border: none;
  background: rgba(15, 23, 42, 0.8);
  color: var(--text);
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 1.4rem;
  padding: 0;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.slider-btn:hover {
  background: var(--accent);
  color: #111827;
  transform: translateY(-1px);
}

.slider-btn:active {
  transform: translateY(0);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

/* Dots unter dem Slider */

.dots {
  margin-top: 0.7rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.3rem;
  width: 100%;
}

.dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  border: none;
  background: rgba(148, 163, 184, 0.4);
  cursor: pointer;
  padding: 0;
  transition: background 0.15s ease, transform 0.1s ease;
}

.dot.is-active {
  background: var(--accent);
  transform: scale(1.15);
}

/* RESPONSIVE ANPASSUNGEN */

@media (max-width: 720px) {
  .gallery {
    padding: 1.1rem 1rem 1.5rem;
  }

  .slider {
    gap: 0.5rem;
  }

  .slider-btn {
    width: 2rem;
    height: 2rem;
    font-size: 1.2rem;
  }
}