/* ── Variables ── */
:root {
  --bg:         #0e0e0e;
  --bg-surface: #181818;
  --bg-hover:   #222222;
  --border:     #2a2a2a;
  --text:        #e8e8e8;
  --text-muted:  #888;
  --accent:      #c8a96e;
  --accent-dim:  #a0824a;
  --overlay-bg: rgba(0, 0, 0, 0.92);
  --radius:      6px;
  --transition:  200ms ease;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dim); }

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

/* ── Nav ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  background: rgba(14, 14, 14, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

/* ── Page wrapper ── */
.page-content { padding-top: 60px; }

/* ── Hero ── */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 6rem;
  background: linear-gradient(180deg, #111 0%, var(--bg) 100%);
}

.hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 1.4rem;
}

.hero h1 strong { font-weight: 700; }

.hero-sub {
  max-width: 560px;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.4rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
  border-radius: var(--radius);
}

.btn:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ── Sections ── */
.section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  margin-bottom: 1.5rem;
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p { color: var(--text-muted); margin-bottom: 1rem; }
.about-text p:last-child { margin-bottom: 0; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* ── Category cards ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 2rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.category-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition);
}

.category-card:hover { transform: translateY(-3px); border-color: var(--accent); }

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.category-card:hover img { transform: scale(1.04); }

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
}

.category-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 3rem;
}

.category-card-label {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.2rem;
}

.category-card-link {
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* ── Gallery page layout ── */
.gallery-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 60px);
}

/* ── Sidebar ── */
.gallery-sidebar {
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: 2rem 0;
}

.sidebar-title {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 1.5rem;
  margin-bottom: 1rem;
}

.sidebar-nav { list-style: none; }

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
  border-left: 2px solid transparent;
}

.sidebar-nav li a:hover { background: var(--bg-hover); color: var(--text); }
.sidebar-nav li a.active {
  color: var(--text);
  border-left-color: var(--accent);
  background: var(--bg-hover);
}

.sidebar-count {
  margin-left: auto;
  font-size: 0.75rem;
  background: var(--border);
  border-radius: 10px;
  padding: 0.1rem 0.5rem;
  color: var(--text-muted);
}

/* ── Gallery main area ── */
.gallery-main {
  padding: 2.5rem;
  overflow-y: auto;
}

.gallery-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.gallery-header h1 {
  font-size: 1.8rem;
  font-weight: 300;
}

.gallery-count { font-size: 0.85rem; color: var(--text-muted); }

/* ── Photo grid ── */
.photo-grid {
  columns: 3;
  column-gap: 1rem;
}

.photo-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.photo-item:hover { border-color: var(--accent); transform: translateY(-2px); }

.photo-img-wrap {
  position: relative;
  overflow: hidden;
}

.photo-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 400ms ease;
}

.photo-item:hover .photo-img-wrap img { transform: scale(1.03); }

.photo-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-item:hover .photo-item-overlay { opacity: 1; }

.photo-item-overlay svg { color: #fff; }

.photo-caption {
  padding: 0.55rem 0.75rem;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
}

.photo-caption-title {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.photo-caption-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

/* ── Empty state ── */
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem;
  color: var(--text-muted);
  text-align: center;
}

.empty-state svg { width: 4rem; height: 4rem; margin-bottom: 1.5rem; opacity: 0.3; }
.empty-state h3 { font-weight: 400; margin-bottom: 0.5rem; color: var(--text); }
.empty-state p { font-size: 0.9rem; max-width: 400px; }

/* ── Loading state ── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem;
  color: var(--text-muted);
}

.spinner {
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 1rem;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 4rem 5rem;
}

.lightbox-img-wrap {
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-wrap img {
  max-width: 100%;
  max-height: calc(100vh - 13rem);
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.lightbox-close {
  position: fixed;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1.5rem;
  transition: color var(--transition);
  z-index: 1001;
  line-height: 1;
}

.lightbox-close:hover { color: var(--text); }

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  padding: 1rem 0.75rem;
  font-size: 1.2rem;
  transition: background var(--transition);
  z-index: 1001;
}

.lightbox-nav:hover { background: rgba(255,255,255,0.15); }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }
.lightbox-nav:disabled { opacity: 0.2; cursor: default; }

.lightbox-info {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 1001;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  padding: 0.6rem 1.25rem 0.7rem;
  border-radius: var(--radius);
  max-width: 90vw;
}

.lightbox-title {
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.lightbox-date {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
}

.lightbox-counter {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent); }

/* ── Imprint ── */
.imprint-section h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  margin-bottom: 2rem;
}

.imprint-body h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin: 2rem 0 0.5rem;
}

.imprint-body h2:first-child { margin-top: 0; }

.imprint-body p {
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}

/* ── Contact form ── */
.contact-section h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  margin-bottom: 2rem;
}

.contact-form {
  max-width: 560px;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.7rem 0.9rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea { resize: vertical; }

.contact-submit {
  cursor: pointer;
  margin-top: 0.5rem;
}

.contact-success {
  margin-top: 1.5rem;
  color: var(--accent);
  font-size: 0.95rem;
}

/* ── Language switcher ── */
.lang-switcher {
  display: flex;
  gap: 2px;
  margin-left: 1.5rem;
}

.lang-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  border-radius: 3px;
}

.lang-btn:hover { color: var(--text); border-color: var(--text-muted); }

.lang-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

/* ── Lightbox gear info ── */
.lightbox-gear {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: center;
  margin: 0.5rem 0 0.25rem;
}

.gear-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.gear-icon {
  display: flex;
  align-items: center;
  color: var(--accent);
  flex-shrink: 0;
}

.gear-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.gear-value {
  color: var(--text);
  font-size: 0.85rem;
}

/* ── Mobile sidebar toggle ── */
.sidebar-toggle {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  width: 100%;
  text-align: left;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .photo-grid { columns: 2; }

  .gallery-layout { grid-template-columns: 1fr; }

  .gallery-sidebar {
    position: fixed;
    left: 0;
    top: 60px;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 300ms ease;
    box-shadow: 4px 0 20px rgba(0,0,0,0.4);
  }

  .gallery-sidebar.open { transform: translateX(0); }

  .sidebar-toggle { display: block; }
  .gallery-main { padding: 1.5rem; }
}

@media (max-width: 560px) {
  .categories-grid { grid-template-columns: 1fr; }
  .photo-grid { columns: 1; }
  .hero { padding: 6rem 1.5rem 4rem; }
  .section { padding: 3.5rem 1.5rem; }
  .nav-brand { font-size: 1rem; }
  .about-stats { grid-template-columns: 1fr; }
  .lightbox-inner { padding: 3.5rem 3rem; }
}