:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --accent: #c9a96e;
  --accent2: #7c6af0;
  --text: #f0ede8;
  --muted: #888;
  --card-w: 260px;
  --card-h: 320px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Cormorant Garamond', serif;
  overflow-x: hidden;
}

/* ── HEADER ── */
header {
  text-align: center;
  padding: 5rem 2rem 3rem;
  position: relative;
}
header::after {
  content: '';
  display: block;
  width: 80px;
  height: 1px;
  background: var(--accent);
  margin: 1.5rem auto 0;
}
header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text);
}
header p {
  font-size: 1.1rem;
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 0.75rem;
  font-weight: 300;
}

/* ── FILTER BAR ── */
.filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.5rem 2rem 2.5rem;
  flex-wrap: wrap;
}
.filter-btn {
  background: transparent;
  border: 1px solid #333;
  color: var(--muted);
  padding: 0.4rem 1.2rem;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 0;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── GALLERY WALK-THROUGH ── */
.gallery-track {
  padding: 2rem 4vw 5rem;
}

/* Walk-through: horizontal cinematic scroll */
.walk-container {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
  padding-bottom: 1rem;
}
.walk-container::-webkit-scrollbar { height: 3px; }
.walk-container::-webkit-scrollbar-track { background: transparent; }
.walk-container::-webkit-scrollbar-thumb { background: var(--accent); }

.walk-row {
  display: flex;
  gap: 2rem;
  padding: 1rem 0 2rem;
  width: max-content;
  animation: walkThrough 120s linear infinite;
  animation-play-state: running;
}
.walk-row:hover { animation-play-state: paused; }

@keyframes walkThrough {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── ARTWORK CARD ── */
.artwork-card {
  position: relative;
  width: var(--card-w);
  flex-shrink: 0;
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.23,1,0.32,1);
}
.artwork-card:hover { transform: translateY(-12px) scale(1.02); }

figure {
  position: relative;
  width: 100%;
  height: var(--card-h);
  overflow: hidden;
  border: 1px solid #1e1e2a;
}
figure canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ── FIGCAPTION HOVER REVEAL ── */
figcaption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(10,10,15,0.97) 60%, transparent);
  padding: 2.5rem 1rem 1rem;
  transform: translateY(100%);
  transition: transform 0.45s cubic-bezier(0.23,1,0.32,1);
}
figure:hover figcaption { transform: translateY(0); }

figcaption h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.25rem;
}
figcaption .artist {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
figcaption .meta {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Card number badge */
.card-num {
  position: absolute;
  top: 10px; right: 10px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.25);
  z-index: 2;
}

/* ── SECTION LABELS ── */
.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--accent);
}

/* ── GRID VIEW (alternate layout) ── */
.grid-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 0 4vw 6rem;
}
.grid-gallery .artwork-card { width: 100%; }
.grid-gallery figure { height: 280px; }

/* ── LIGHTBOX ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.5rem;
}
#lightbox.open { display: flex; }
#lightbox canvas {
  max-width: 80vmin;
  max-height: 80vmin;
  border: 1px solid #2a2a35;
}
#lightbox-info { text-align: center; }
#lightbox-info h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
}
#lightbox-info p {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
#lightbox-close {
  position: fixed;
  top: 1.5rem; right: 2rem;
  background: none; border: none;
  color: var(--muted);
  font-size: 2rem;
  cursor: pointer;
  font-family: serif;
  line-height: 1;
  transition: color 0.2s;
}
#lightbox-close:hover { color: var(--text); }

/* ── VIEW TOGGLE ── */
.view-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4vw 1.5rem;
}
.view-toggle {
  display: flex;
  gap: 0.5rem;
}
.view-btn {
  background: none;
  border: 1px solid #333;
  color: var(--muted);
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}
.view-btn.active, .view-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.count-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 3rem;
  border-top: 1px solid #1a1a25;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}