:root {
  --bg: #0e1013;
  --panel: #161a20;
  --panel-hi: #1d232b;
  --ink: #e7dfd2;
  --ink-dim: #8b8578;
  --accent: #b59b6a;
  --accent-soft: #8a7752;
  --border: #2a2f37;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino", Georgia, serif;
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(181, 155, 106, 0.06), transparent 40%),
    radial-gradient(circle at 80% 90%, rgba(120, 140, 160, 0.05), transparent 45%);
}

header {
  text-align: center;
  padding: 56px 20px 24px;
  border-bottom: 1px solid var(--border);
}

h1 {
  margin: 0;
  font-weight: 300;
  font-size: 2.4rem;
  letter-spacing: 0.18em;
  color: var(--ink);
}

h1 .om {
  color: var(--accent);
  font-size: 2.8rem;
  vertical-align: -6px;
  margin-right: 12px;
}

.tagline {
  margin: 14px 0 0;
  color: var(--ink-dim);
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

nav.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding: 24px 20px 8px;
  max-width: 1100px;
  margin: 0 auto;
}

.filter-btn {
  background: var(--panel);
  color: var(--ink-dim);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  transition: all 0.25s ease;
}

.filter-btn:hover {
  color: var(--ink);
  border-color: var(--accent-soft);
}

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

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

figure.card {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

figure.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-soft);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
}

.card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--panel-hi);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

figcaption {
  padding: 14px 16px 16px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.pose-name {
  font-size: 1.02rem;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.pose-sanskrit {
  display: block;
  font-size: 0.78rem;
  color: var(--accent-soft);
  font-style: italic;
  margin-top: 4px;
  letter-spacing: 0.1em;
}

.pose-cat {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.68rem;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

figure.card.hidden { display: none; }

footer {
  text-align: center;
  padding: 24px;
  color: var(--ink-dim);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

@media (max-width: 520px) {
  h1 { font-size: 1.8rem; letter-spacing: 0.14em; }
  h1 .om { font-size: 2.2rem; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
}