.gr-base {
  position: relative;
}
.bg-stripes {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1; /* l'image (z=0) et le texte (z=2 ou 3) */

  background:
    repeating-linear-gradient(
      180deg,
      var(--stripe-color, rgba(0, 0, 0, 0.1)) 0,
      var(--stripe-color, rgba(0, 0, 0, 0.1)) 2px,
      transparent 2px,
      transparent 50%
    );
  background-size: 10px 10px;
}

.gr-1 {
  background: linear-gradient(170deg, #FFA726 0%, #F4511E 100%);
  --stripe-color: rgba(245, 122, 0, 0.05);
}
.gr-2 {
  background: linear-gradient(190deg, #81D4FA 0%, #1565C0 100%);
  --stripe-color: rgba(34, 148, 242, 0.05);
}
.gr-3 {
  background: linear-gradient(170deg, #B0BEC5 0%, #546E7A 100%);
  --stripe-color: rgba(120, 144, 156, 0.05);
}
.gr-4 {
  background: linear-gradient(170deg, #8BC34A 0%, #43A047 100%);
  /*--stripe-color: rgba(120, 144, 156, 0.05);*/
}

.column {
  padding-left: 3rem;
  transition: padding-left 0.5s;
}
.column:hover {
  padding-left: 0;
}
.column:hover .card .txt {
  margin-left: 1rem;
  transition: margin-left 0.5s;
}
.column:hover .card .txt h1,
.column:hover .card .txt p {
  color: white;
  opacity: 1;
  transition: color 0.5s, opacity 0.5s;
}
.column.colblack:hover .card .txt h1,
.column.colblack:hover .card .txt p {
  color: var(--bs-body-color);
  opacity: 1;
  transition: color 0.5s, opacity 0.5s;
}
.column:hover a {
  color: white;
}
.column:hover a:after {
  width: 10%;
}
.column:hover .card .bg-stripes {
  z-index: 0;
}

.card {
  min-height: 170px;
  margin: 0;
  padding: 1.7rem 1.2rem;
  border: none;
  border-radius: 0;
  color: black;
  box-shadow: 0 0 21px rgba(0, 0, 0, 0.27);
  position: relative;
}
.card .txt {
  margin-left: -3rem;
  z-index: 2;
  transition: margin-left 0.5s;
}
.card .txt h1 {
  font-size: 1.5rem;
  font-weight: 300;
  text-transform: uppercase;
  transition: color 0.5s, opacity 0.5s;
}
.card .txt p {
  font-size: 0.7rem;
  margin-top: 33px;
  opacity: 0;
  color: white;
  transition: color 0.5s, opacity 0.5s;
}
.card a {
  z-index: 3;
  font-size: 0.7rem;
  color: black;
  margin-left: 1rem;
  position: relative;
  bottom: -0.5rem;
  text-transform: uppercase;
}
.card a:after {
  content: "";
  display: inline-block;
  height: 0.5em;
  width: 0;
  margin-right: -100%;
  margin-left: 10px;
  border-top: 1px solid white;
  transition: width 0.5s;
}
.card .ico-card {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100%; height: 100%;
  overflow: hidden;
  z-index: 1;
}
.card .ico-card .bg-img {
  position: absolute;
  right: 1rem;
  top: 50%;
  width: 48%;
  height: auto;
  opacity: 0.9;
  transform: translateY(-50%);
  pointer-events: none;
  user-select: none;
}