/* ── Nos Références – Front-end styles ── */

.nr-front {
  font-family: inherit;
  margin: 2rem 0;
}

/* Section title */
.nr-section-title {
  text-align: center;
  margin-bottom: 2rem;
}

.nr-section-title h2 {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #888;
  margin: 0;
}

.nr-section-title h2 span {
  display: block;
  width: 50px;
  height: 1px;
  background: #ddd;
}

/* Filters */
.nr-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin-bottom: 2rem;
}

.nr-filter {
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.45rem 1.1rem;
  border: 1px solid #ddd;
  background: transparent;
  color: #888;
  cursor: pointer;
  border-radius: 100px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  line-height: 1;
}

.nr-filter:hover,
.nr-filter.active {
  background: #0d0d0d;
  color: #fff;
  border-color: #0d0d0d;
}

/* Grid */
.nr-grid {
  display: grid;
  gap: 1px;
  background: rgba(0,0,0,0.07);
  border: 1px solid rgba(0,0,0,0.07);
}

.nr-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.nr-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.nr-grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.nr-grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 768px) {
  .nr-grid-cols-4,
  .nr-grid-cols-5,
  .nr-grid-cols-6 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .nr-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

/* Logo cards */
.nr-item {
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.6rem 1.2rem;
  min-height: 100px;
  position: relative;
  overflow: hidden;
  transition: background 0.25s ease;
  opacity: 0;
  animation: nr-fadeIn 0.4s ease forwards;
}

.nr-item.nr-hidden {
  display: none;
}

@keyframes nr-fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nr-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: #f5f2ee;
  transform: translateY(100%);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.nr-item:hover::after {
  transform: translateY(0);
}

.nr-item img {
  position: relative;
  z-index: 1;
  max-width: 110px;
  max-height: 50px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: filter 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
  display: block;
}

.nr-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.07);
  position: relative;
  z-index: 2;
}

.nr-name-fallback {
  position: relative;
  z-index: 2;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #aaa;
  text-align: center;
}

.nr-empty {
  text-align: center;
  color: #888;
  padding: 2rem;
  border: 1px dashed #ddd;
}