.survey-directory-page {
  background:
    linear-gradient(135deg, rgba(224, 184, 79, 0.18), transparent 30%),
    linear-gradient(315deg, rgba(136, 201, 161, 0.18), transparent 30%),
    #f6f7f2;
}

.directory-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(20px, 4vw, 56px);
}

.directory-hero {
  max-width: 760px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--teal);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.survey-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: clamp(28px, 5vw, 56px);
}

.survey-tile {
  display: grid;
  gap: 12px;
  min-height: 230px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  padding: 22px;
  text-decoration: none;
  box-shadow: 0 18px 50px rgba(31, 50, 44, 0.1);
}

.survey-tile:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}

.survey-tile span {
  width: fit-content;
  border-radius: 999px;
  background: #e7f3eb;
  color: var(--teal);
  padding: 5px 10px;
  font-size: 0.78rem;
  font-weight: 800;
}

.survey-tile strong {
  font-size: 1.25rem;
}

.survey-tile p {
  color: var(--muted);
  line-height: 1.5;
}

.survey-tile.featured {
  background: #fffaf0;
  border-color: #e6d4ac;
}

@media (max-width: 820px) {
  .survey-list {
    grid-template-columns: 1fr;
  }
}