/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2.5rem;
  border-bottom: 1px solid var(--cream-3);
  background: rgba(250,248,244,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo {
  font-family: 'Instrument Serif', serif;
  font-size: 1.35rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  text-decoration: none;
}
.logo span { color: var(--ink-3); }

/* ── BUTTONS ── */
.btn-ghost {
  font-family: 'Figtree', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-2);
  background: transparent;
  border: 1px solid var(--cream-3);
  padding: 0.5rem 1.1rem;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.18s, color 0.18s;
}
.btn-ghost:hover { border-color: var(--ink-3); color: var(--ink); }
.btn-hero {
  font-family: 'Figtree', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
  background: var(--ink);
  border: none;
  padding: 0.85rem 2.25rem;
  border-radius: 100px;
  cursor: pointer;
  transition: opacity 0.18s;
  text-decoration: none;
}
.btn-hero:hover { opacity: 0.82; }

.demo-raw-json {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  background: var(--cream-2);
  border-radius: var(--radius-md);
  padding: 1rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink-2);
}