/* ════════════════════════════════════════════════════════════
   Upaveda Cabinet — Stylesheet (graphite / ink palette)
   ════════════════════════════════════════════════════════════ */

:root {
  --uv-bg-deep:    #0d1016;
  --uv-bg-card:    #161a22;
  --uv-bg-panel:   #1e2430;
  --uv-border:     #2f3644;
  --uv-border-hi:  #4a5566;
  --uv-text:       #e0e6ec;
  --uv-text-muted: #8a94a4;
  --uv-accent:     #b8c8dc;
  --uv-accent-hi:  #d8e2ee;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; min-height: 100%; }

body {
  background: var(--uv-bg-deep);
  color: var(--uv-text);
  font-family: 'Noto Serif', Georgia, serif;
  font-size: 15px;
  line-height: 1.55;
  overflow-x: hidden;
  padding-bottom: 100px;
}

.font-mono { font-family: 'JetBrains Mono', 'Cascadia Code', monospace; }
.indic { font-family: 'Noto Sans Devanagari', 'Noto Serif', serif; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--uv-bg-deep); }
::-webkit-scrollbar-thumb { background: var(--uv-border); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--uv-accent); }

.uv-container { max-width: 1200px; margin: 0 auto; padding: 1rem; }

/* ─── Header ──────────────────────────────────────────────── */

.uv-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--uv-border);
  padding: 0.6rem 1rem;
  background: rgba(13, 16, 22, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.uv-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.uv-brand {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--uv-accent);
  font-weight: 600;
  text-transform: uppercase;
}

.uv-back {
  font-size: 0.72rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--uv-bg-panel);
  border: 1px solid var(--uv-border);
  color: var(--uv-accent-hi);
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
}

.uv-back:hover { border-color: var(--uv-accent); color: var(--uv-accent); }

/* ─── Hero ────────────────────────────────────────────────── */

.uv-hero {
  text-align: center;
  padding: 2rem 1rem 1rem;
  max-width: 780px;
  margin: 0 auto;
}

.uv-hero-dev {
  font-family: 'Noto Sans Devanagari', serif;
  font-size: 1.8rem;
  color: var(--uv-accent-hi);
  margin-bottom: 0.25rem;
}

.uv-hero-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}

.uv-hero-iast {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--uv-text-muted);
  font-style: italic;
  margin-bottom: 1rem;
}

.uv-hero-sub {
  font-size: 0.9rem;
  color: var(--uv-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.25rem;
}

.uv-hero-body {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--uv-text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* ─── Filter row ──────────────────────────────────────────── */

.uv-filters {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  padding: 1rem 0 0.5rem;
}

.uv-filter-btn {
  padding: 0.4rem 0.85rem;
  font-size: 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--uv-border);
  background: var(--uv-bg-panel);
  color: var(--uv-text-muted);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s ease;
}

.uv-filter-btn:hover {
  border-color: var(--uv-accent);
  color: var(--uv-text);
}

.uv-filter-btn.active {
  background: var(--uv-accent);
  border-color: var(--uv-accent);
  color: var(--uv-bg-deep);
  font-weight: 600;
}

/* ─── Studio cards ────────────────────────────────────────── */

.uv-studio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
  transition: opacity 200ms ease;
}

.uv-studio-card {
  background: var(--uv-bg-card);
  border: 2px solid var(--uv-border);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.uv-studio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--uv-card-accent, var(--uv-accent));
}

.uv-studio-card:hover {
  transform: translateY(-3px);
  border-color: var(--uv-card-accent, var(--uv-accent));
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.uv-studio-card.dimmed {
  opacity: 0.28;
  pointer-events: none;
}

.uv-card-head {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}

.uv-card-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--uv-card-accent-hi, var(--uv-accent-hi));
}

.uv-card-dev {
  font-family: 'Noto Sans Devanagari', serif;
  font-size: 1.15rem;
  color: var(--uv-card-accent, var(--uv-accent));
}

.uv-card-iast {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--uv-text-muted);
  font-style: italic;
}

.uv-card-en {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--uv-text-muted);
  margin-bottom: 0.75rem;
}

.uv-card-tagline {
  font-size: 0.88rem;
  color: var(--uv-card-accent, var(--uv-accent));
  font-weight: 600;
  margin-bottom: 0.6rem;
  line-height: 1.45;
}

.uv-card-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--uv-text);
  margin-bottom: 1rem;
}

.uv-card-features {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.uv-card-features li {
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--uv-text-muted);
  padding: 0.3rem 0 0.3rem 1.2rem;
  position: relative;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.04);
}

.uv-card-features li:last-child { border-bottom: none; }

.uv-card-features li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--uv-card-accent, var(--uv-accent));
  font-weight: 700;
}

.uv-card-source {
  font-size: 0.68rem;
  color: var(--uv-text-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--uv-border);
  margin-bottom: 0.75rem;
}

.uv-card-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 8px;
  background: var(--uv-card-accent, var(--uv-accent));
  color: var(--uv-bg-deep);
  text-decoration: none;
  transition: all 0.15s ease;
  font-family: inherit;
}

.uv-card-action:hover {
  background: var(--uv-card-accent-hi, var(--uv-accent-hi));
  transform: translateY(-1px);
}

.uv-card-status {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  margin-left: auto;
}

.uv-card-status.live {
  background: rgba(90, 143, 106, 0.2);
  color: #7ac090;
  border: 1px solid rgba(90, 143, 106, 0.5);
}

/* ─── Footer strip ────────────────────────────────────────── */

.uv-footer-strip {
  margin-top: 3rem;
  padding: 1.5rem 1rem;
  border-top: 1px solid var(--uv-border);
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.uv-footer-link {
  font-size: 0.8rem;
  color: var(--uv-text-muted);
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.uv-footer-link:hover {
  color: var(--uv-accent-hi);
  background: var(--uv-bg-panel);
}

/* ─── Empty state ─────────────────────────────────────────── */

.uv-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--uv-text-muted);
  font-size: 0.9rem;
}

/* ─── Responsive ──────────────────────────────────────────── */

@media (max-width: 640px) {
  .uv-hero-title { font-size: 1.6rem; }
  .uv-hero-dev { font-size: 1.4rem; }
  .uv-studio-grid { grid-template-columns: 1fr; gap: 1rem; }
  .uv-footer-strip { gap: 0.5rem; }
  body { padding-bottom: 60px; }
}