/* Proof strip (verifiable external references). */

.proof {
  margin-top: var(--space-10);
}

.proof-inner {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background-color: var(--panel-2);
  background-image:
    radial-gradient(900px 420px at 15% 10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%),
    radial-gradient(900px 420px at 85% 0%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 62%),
    linear-gradient(180deg, var(--panel-2), var(--panel-1));
  box-shadow: var(--shadow-md);
  padding: 1.1rem 1.1rem 1rem;
}

.proof-title {
  margin: 0 0 0.85rem;
  font-weight: 750;
  letter-spacing: -0.015em;
  font-size: 1.05rem;
  font-family: var(--font-serif);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0.75rem;
}

.proof-pill {
  grid-column: span 4;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  background: var(--panel-1);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.proof-pill:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--border) 70%, var(--accent));
  background: var(--panel-2);
}

.proof-pill-label {
  font-weight: 750;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}

.proof-pill-note {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--text) 74%, var(--muted));
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.proof-pill-arrow {
  font-size: var(--text-xs);
  opacity: 0.85;
  color: color-mix(in srgb, var(--accent) 70%, var(--text));
}

@media (max-width: 900px) {
  .proof-pill {
    grid-column: span 12;
  }
}