nav {
    background-color: #014c9c;
    opacity: 0.6;
    padding: 2rem;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    box-shadow: 0 5px 8px rgba(0, 0, 0, 0.6);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}
nav .globe-icon {
    position: absolute;
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
   right:8%;

}

nav .globe-icon:hover {
    color: #001f54;
}


/* Grid container */
.grid-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 20px;
    margin-top: 200px;
    background-color: transparent;
}
.card-title {
  color: #262626;
  font-size: 2em;
  line-height: normal;
  font-weight: 700;
  margin-bottom: 0.5em;
}

.small-desc {
  font-size: 1em;
  font-weight: 400;
  line-height: 1.5em;
  color: #452c2c;
}

.small-desc {
  font-size: 1em;
}

.go-corner {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  width: 2em;
  height: 2em;
  overflow: hidden;
  top: 0;
  right: 0;
  background: linear-gradient(135deg, #6293c8, #384c6c);
  border-radius: 0 4px 0 32px;
}

.go-arrow {
  margin-top: -4px;
  margin-right: -4px;
  color: white;
  font-family: courier, sans;
}

.card,.card2,.card3,.card4 {
  cursor: pointer;
  display: block;
  position: relative;
  min-width: 300px;
  min-height: 220px;
  background-color: #f2f8f9;
  box-shadow: 0 5px 8px rgba(0, 0, 0, 0.6);
  border-radius: 10px;
  padding: 2em 1.2em;
  margin: 12px;
  text-decoration: none;
  z-index: 0;
  overflow: hidden;
  background: linear-gradient(to bottom, #c3e6ec, #a7d1d9);
  font-family: Arial, Helvetica, sans-serif;
}

.card:before {
  content: '';
  position: absolute;
  z-index: -1;
  top: -16px;
  right: -16px;
  background: linear-gradient(135deg, #364a60, #384c6c);
  height: 32px;
  width: 32px;
  border-radius: 32px;
  transform: scale(1);
  transform-origin: 50% 50%;
  transition: transform 0.35s ease-out;
}
.card2:before{
  content: '';
  position: absolute;
  z-index: -1;
  top: -16px;
  right: -16px;
  background: linear-gradient(135deg, #003101, #92ffb8);
  height: 32px;
  width: 32px;
  border-radius: 32px;
  transform: scale(1);
  transform-origin: 50% 50%;
  transition: transform 0.35s ease-out;
}
.card3:before{
  content: '';
  position: absolute;
  z-index: -1;
  top: -16px;
  right: -16px;
  background: linear-gradient(135deg, #2f0031, #dea3d8);
  height: 32px;
  width: 32px;
  border-radius: 32px;
  transform: scale(1);
  transform-origin: 50% 50%;
  transition: transform 0.35s ease-out;
}
.card4:before{
  content: '';
  position: absolute;
  z-index: -1;
  top: -16px;
  right: -16px;
  background: linear-gradient(135deg, #5f0003, #f5b3b3);
  height: 32px;
  width: 32px;
  border-radius: 32px;
  transform: scale(1);
  transform-origin: 50% 50%;
  transition: transform 0.35s ease-out;
}
.card:hover:before,.card2:hover:before,.card3:hover:before,.card4:hover:before {
  transform: scale(28);
}

.card:hover .small-desc,.card2:hover .small-desc,.card3:hover .small-desc,.card4:hover .small-desc {
  transition: all 0.5s ease-out;
  color: rgba(255, 255, 255, 0.8);
}

.card:hover .card-title,.card2:hover .card-title,.card3:hover .card-title,.card4:hover .card-title {
  transition: all 0.5s ease-out;
  color: #ffffff;
}