.qr-page .stat-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.qr-page .back-link::before {
  content: "\2190";
}

.qr-page .stat-item {
  display: grid;
  gap: 0.45rem;
  padding: 1rem;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  background: var(--surface);
}

.qr-page .stat-item strong {
  color: var(--text);
  font-size: 1rem;
}

.qr-page .stat-item span {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.qr-page .stack-item {
  position: relative;
  padding-right: 2.2rem;
  text-decoration: none;
}

.qr-page .stack-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.qr-page .stack-item::after {
  content: "\2197";
  position: absolute;
  top: 0.8rem;
  right: 0.85rem;
  color: var(--accent);
  font-size: 0.9rem;
  transition: transform var(--ease);
}

.qr-page .stack-item:hover::after {
  transform: translate(2px, -2px);
}

.qr-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 2rem;
}

.qr-step {
  padding: 1.15rem;
}

.qr-step-number {
  display: inline-flex;
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.qr-step h3 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
}

.qr-step p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.qr-quality-grid {
  margin-top: 0.8rem;
}

@media (max-width: 820px) {
  .qr-page .stat-band,
  .qr-steps {
    grid-template-columns: 1fr;
  }

  .qr-page .stack-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .qr-page .stack-grid {
    grid-template-columns: 1fr;
  }
}