:root {
  --gn-obsidian: #0c0a08;
  --gn-espresso: #1a1410;
  --gn-bronze: #c4ad9e;
  --gn-gold: #dcc2a4;
  --gn-ivory: #efe4d6;
  --gn-ash: rgba(239, 228, 214, 0.7);
  --gn-line: rgba(196, 173, 158, 0.25);
  --gn-shadow: 0 24px 70px rgba(5, 4, 3, 0.55);
  --gn-radius: 18px;
}

.gn-about-page {
  background:
    radial-gradient(circle at 12% 12%, rgba(92, 70, 52, 0.5), transparent 45%),
    radial-gradient(circle at 82% 10%, rgba(120, 90, 65, 0.35), transparent 40%),
    linear-gradient(165deg, #0b0907 0%, #1a1410 55%, #120d0a 100%);
  color: var(--gn-ivory);
  font-family: "Source Sans 3", sans-serif;
  position: relative;
}

.gn-about-page > * {
  position: relative;
  z-index: 2;
}

.gn-about-page::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("../images/About%20Hintergrund.png");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center top;
  z-index: 0;
}

.gn-about-page::after {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(7, 6, 5, 0.65);
  z-index: 1;
}

.gn-about-page .header-area {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 10;
}

.gn-about-page .header-area .navbar-brand img {
  filter: brightness(1.1) drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4));
}

.gn-about-page .header-area .navbar-collapse .navbar-nav .nav-link {
  color: rgba(239, 228, 214, 0.82);
}

.gn-about-page .header-area .navbar-collapse .navbar-nav .nav-link.active,
.gn-about-page .header-area .navbar-collapse .navbar-nav .nav-link:hover {
  color: var(--gn-gold);
}

.gn-museum-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.gn-museum-hero {
  position: relative;
  overflow: hidden;
  padding: 210px 0 120px;
}

.gn-museum-hero-bg,
.gn-museum-hero-glow {
  position: absolute;
  inset: -20% 0 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(196, 173, 158, 0.28), transparent 55%),
    radial-gradient(circle at 70% 45%, rgba(140, 110, 85, 0.35), transparent 60%),
    linear-gradient(180deg, rgba(15, 10, 7, 0.2) 0%, rgba(15, 10, 7, 0.8) 100%);
  opacity: 0.9;
  animation: gnMuseHalo 16s ease-in-out infinite alternate;
  will-change: transform;
}

.gn-museum-hero-glow {
  mix-blend-mode: screen;
  opacity: 0.04;
  filter: blur(6px);
}

@media (min-width: 1024px) {
  .gn-museum-hero {
    min-height: 100vh;
  }

  .gn-museum-hero-bg,
  .gn-museum-hero-glow {
    inset: 0;
  }
}

.gn-museum-hero-content {
  position: relative;
  z-index: 1;
}

.gn-museum-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.45em;
  font-size: 12px;
  color: rgba(220, 194, 164, 0.7);
  margin-bottom: 24px;
}

.gn-museum-title {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(46px, 5.2vw, 86px);
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.gn-museum-sub {
  max-width: 600px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--gn-ash);
  margin-bottom: 36px;
}

.gn-museum-index {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

.gn-museum-index-link {
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--gn-line);
  background: rgba(16, 11, 9, 0.75);
  color: rgba(239, 228, 214, 0.82);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
  min-height: 54px;
  transition: transform 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  box-shadow: inset 0 0 0 1px rgba(196, 173, 158, 0.08);
}

.gn-museum-index-cta {
  display: flex;
  justify-content: center;
  margin-top: 18px;
}

.gn-museum-index-link:hover {
  transform: translateY(-1px);
  border-color: rgba(239, 228, 214, 0.85);
  color: rgba(239, 228, 214, 0.95);
}

.gn-museum-index-card {
  appearance: none;
  border: none;
  position: relative;
  padding: 18px 20px;
  border: 1px solid var(--gn-line);
  border-radius: 16px;
  background: linear-gradient(140deg, rgba(26, 20, 16, 0.85), rgba(36, 26, 20, 0.65));
  text-align: center;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: rgba(239, 228, 214, 0.7);
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 74px;
  width: 100%;
  box-shadow: inset 0 0 0 1px rgba(196, 173, 158, 0.08);
}

.gn-museum-index-card span {
  display: block;
  color: rgba(220, 194, 164, 0.8);
  margin-bottom: 6px;
}

.gn-museum-index-card.is-active {
  border-color: rgba(239, 228, 214, 0.8);
  color: rgba(239, 228, 214, 0.9);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35), inset 0 0 18px rgba(239, 228, 214, 0.12);
  transform: translateY(-2px);
}

.gn-museum-index-card::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 14px;
  border: 1px solid transparent;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(239, 228, 214, 0.2), transparent 45%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.gn-museum-index-card.is-active::after {
  opacity: 1;
}

.gn-museum-room-detail {
  margin-top: 26px;
  contain: layout paint;
}

.gn-museum-room-panel {
  display: flex;
  max-height: 0;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 24px;
  border-radius: var(--gn-radius);
  border: 1px solid var(--gn-line);
  background: rgba(14, 10, 8, 0.5);
  box-shadow: var(--gn-shadow);
  opacity: 0;
  overflow: hidden;
  transform: translateY(6px);
  transition: max-height 0.35s ease, opacity 0.25s ease, transform 0.35s ease;
  will-change: opacity, transform;
}

.gn-museum-room-panel.is-active {
  max-height: 420px;
  opacity: 1;
  transform: translateY(0);
}

.gn-museum-room-text h3 {
  font-family: "Cormorant Garamond", serif;
  font-size: 22px;
  margin-bottom: 8px;
}

.gn-museum-room-text p {
  color: var(--gn-ash);
  line-height: 1.7;
  margin: 0;
}

.gn-museum-room-image {
  width: 160px;
  height: 110px;
  flex: 0 0 160px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(52, 38, 28, 0.7), rgba(18, 12, 9, 0.95));
  background-size: cover;
  background-position: center;
  margin-left: auto;
  border: 1px solid rgba(196, 173, 158, 0.35);
  box-shadow: inset 0 0 0 1px rgba(196, 173, 158, 0.1);
}

.gn-museum-section {
  padding: 110px 0;
  position: relative;
}

.gn-museum-section-head {
  margin-bottom: 36px;
}

.gn-museum-overline {
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: 12px;
  color: rgba(220, 194, 164, 0.7);
  margin-bottom: 18px;
}

.gn-museum-section h2 {
  font-family: "Cormorant Garamond", serif;
  font-size: 38px;
  margin-bottom: 12px;
}

.gn-museum-curation-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: stretch;
}

.gn-museum-text p {
  color: var(--gn-ash);
  line-height: 1.9;
  margin-bottom: 16px;
}

.gn-museum-plaque {
  padding: 28px;
  border: 1px solid var(--gn-line);
  border-radius: var(--gn-radius);
  background: rgba(16, 11, 9, 0.85);
  box-shadow: var(--gn-shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.gn-museum-plaque-title {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 12px;
  color: rgba(220, 194, 164, 0.8);
  margin-bottom: 14px;
}

.gn-museum-plaque-text {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(239, 228, 214, 0.9);
}

.gn-museum-plaque-meta {
  margin-top: 20px;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(239, 228, 214, 0.5);
}

.gn-museum-gallery {
  border-top: 1px solid var(--gn-line);
  border-bottom: 1px solid var(--gn-line);
  background: rgba(10, 7, 6, 0.6);
}

.gn-museum-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.gn-museum-exhibit {
  border: 1px solid var(--gn-line);
  border-radius: var(--gn-radius);
  overflow: hidden;
  background: rgba(18, 12, 9, 0.9);
  box-shadow: var(--gn-shadow);
}

.gn-museum-exhibit-media {
  height: 260px;
  background-size: cover;
  background-position: center;
  filter: saturate(0.9) contrast(1.05);
}

.gn-museum-exhibit-label {
  padding: 16px 20px 8px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: rgba(220, 194, 164, 0.8);
}

.gn-museum-exhibit p {
  padding: 0 20px 22px;
  color: var(--gn-ash);
  line-height: 1.7;
}

.gn-museum-showcase-strip {
  margin-top: 40px;
  overflow: hidden;
  border-top: 1px solid var(--gn-line);
  border-bottom: 1px solid var(--gn-line);
}

.gn-museum-showcase-track {
  display: flex;
  gap: 40px;
  padding: 18px 0;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-size: 12px;
  color: rgba(239, 228, 214, 0.55);
  animation: gnMarquee 22s linear infinite;
}

.gn-museum-timeline {
  background: linear-gradient(160deg, rgba(16, 11, 9, 0.85), rgba(22, 16, 12, 0.95));
}

.gn-museum-timeline-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  position: relative;
}

.gn-museum-timeline-list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(220, 194, 164, 0.7), transparent);
}

.gn-museum-timeline-item {
  position: relative;
  margin-bottom: 30px;
  padding-left: 24px;
}

.gn-museum-timeline-item::before {
  content: "";
  position: absolute;
  left: -2px;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(220, 194, 164, 0.8);
  box-shadow: 0 0 12px rgba(220, 194, 164, 0.5);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.gn-museum-timeline-item.is-active::before {
  background: rgba(239, 228, 214, 0.95);
  box-shadow: 0 0 18px rgba(239, 228, 214, 0.7), 0 0 30px rgba(220, 194, 164, 0.6);
  transform: scale(1.25);
}

.gn-museum-timeline-item.is-active .gn-museum-timeline-year {
  color: rgba(239, 228, 214, 0.98);
  text-shadow: 0 0 16px rgba(220, 194, 164, 0.35);
}

.gn-museum-timeline-year {
  display: block;
  font-family: "Cormorant Garamond", serif;
  font-size: 22px;
  line-height: 1.15;
  color: rgba(239, 228, 214, 0.9);
  margin-bottom: 8px;
}

.gn-museum-timeline-item p {
  color: var(--gn-ash);
  line-height: 1.8;
}

.gn-museum-atelier-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: stretch;
}

.gn-museum-atelier-panels {
  display: flex;
  flex-direction: column;
  gap: 18px;
  justify-content: space-between;
  align-items: stretch;
  height: 100%;
}

.gn-museum-atelier-text p {
  color: var(--gn-ash);
  line-height: 1.8;
  margin-bottom: 16px;
}

.gn-museum-atelier-cta {
  margin-top: 18px;
  display: flex;
  justify-content: flex-start;
}

.gn-museum-atelier-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: 999px;
  border: 1px solid rgba(220, 194, 164, 0.55);
  background: linear-gradient(140deg, rgba(26, 20, 16, 0.7), rgba(38, 30, 24, 0.85));
  color: rgba(239, 228, 214, 0.92);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 11px;
  text-decoration: none;
  transition: transform 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.gn-museum-atelier-button:hover {
  transform: translateY(-1px);
  border-color: rgba(220, 194, 164, 0.85);
  color: #dcc2a4;
}

.gn-museum-atelier-links {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  width: 100%;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(239, 228, 214, 0.6);
  margin-top: 4px;
}

.gn-museum-atelier-links a {
  color: rgba(239, 228, 214, 0.75);
  text-decoration: none;
  border-bottom: 1px solid rgba(220, 194, 164, 0.3);
  transition: color 0.4s ease, border-color 0.4s ease;
}

.gn-museum-atelier-links a:hover {
  color: rgba(239, 228, 214, 0.95);
  border-color: rgba(220, 194, 164, 0.6);
}


.gn-museum-atelier-image {
  height: 220px;
  width: 100%;
  border-radius: var(--gn-radius);
  border: 1px solid var(--gn-line);
  overflow: hidden;
  background: rgba(18, 12, 9, 0.9);
  box-shadow: var(--gn-shadow);
}

.gn-museum-atelier-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gn-museum-panel {
  padding: 22px 24px;
  border-radius: var(--gn-radius);
  border: 1px solid var(--gn-line);
  background: rgba(18, 12, 9, 0.9);
  box-shadow: var(--gn-shadow);
}

.gn-museum-panel h3 {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  margin-bottom: 10px;
  color: rgba(220, 194, 164, 0.8);
}

.gn-museum-panel p {
  color: var(--gn-ash);
  line-height: 1.7;
  margin: 0;
}

.gn-museum-cta {
  background: radial-gradient(circle at 20% 30%, rgba(196, 173, 158, 0.2), transparent 50%);
}

.gn-museum-cta-inner {
  text-align: center;
  padding: 60px 40px;
  border-radius: var(--gn-radius);
  border: 1px solid var(--gn-line);
  background: rgba(12, 9, 8, 0.9);
  box-shadow: var(--gn-shadow);
}

.gn-museum-cta-inner p {
  color: var(--gn-ash);
  margin-bottom: 24px;
}

.gn-museum-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.gn-museum-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid rgba(220, 194, 164, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 11px;
  color: rgba(239, 228, 214, 0.9);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.gn-museum-btn-primary {
  background: rgba(196, 173, 158, 0.2);
}

.gn-museum-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35);
  border-color: rgba(239, 228, 214, 0.9);
}

.gn-museum-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.gn-museum-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.gn-about-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  padding: 10px 16px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(220, 194, 164, 0.5);
  color: var(--gn-ivory);
  background: rgba(15, 10, 7, 0.8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
  border-radius: 999px;
}

.gn-about-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.gn-about-footer {
  padding: 0;
}

.gn-about-footer .real-footer {
  padding-left: 60px;
  padding-right: 60px;
  border-top: 1px solid var(--gn-line);
}

@keyframes gnMuseHalo {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-18px);
  }
}

@keyframes gnMarquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-40%);
  }
}

@keyframes gnRoomReveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 991px) {
  .gn-museum-index {
    grid-template-columns: 1fr;
  }

  .gn-museum-index-card {
    max-width: 320px;
    margin: 0 auto;
  }

  .gn-museum-curation-grid,
  .gn-museum-atelier-grid,
  .gn-museum-gallery-grid {
    grid-template-columns: 1fr;
  }

  .gn-museum-room-panel {
    align-items: flex-start;
  }

  .gn-museum-hero {
    padding: 140px 0 90px;
  }
}

@media (max-width: 767px) {
  .gn-museum-showcase-track {
    animation-duration: 28s;
  }

  .gn-about-page::before {
    background-image: url("../images/Mobil%20Maison%20About.png");
    background-position: center center;
  }
}

@media (max-width: 575px) {
  .gn-museum-title {
    font-size: 28px;
    text-align: center;
    margin-top: 20px;
  }

  .gn-museum-sub {
    text-align: center;
  }

  .gn-museum-cta-inner {
    padding: 40px 24px;
  }

  .gn-museum-index {
    gap: 12px;
  }

  .gn-museum-index-card {
    font-size: 11px;
    letter-spacing: 0.18em;
    min-height: 38px;
    padding: 6px 16px;
    border-radius: 14px;
    max-width: none;
  }

  .gn-museum-room-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .gn-museum-room-panel.is-active {
    max-height: 420px;
  }

  .gn-museum-room-image {
    width: 100%;
    margin-left: 0;
  }

  .gn-museum-atelier-links {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gn-museum-hero-bg,
  .gn-museum-hero-glow,
  .gn-museum-showcase-track,
  .gn-museum-reveal {
    animation: none;
    transform: none;
    opacity: 1;
  }
}