/* Header */
.aigs-header {
  text-align: center;
  margin-bottom: 50px;
}
.aigs-header h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
}
.aigs-header h2 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.4;
}

/* Grid Layout */
.aigs-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}
.aigs-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Vertical dashed separator lines */
.aigs-col:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 0;
  right: -20px;
  width: 1px;
  height: 100%;
  border-right: 1px dashed #ccc;
}

/* Circle Boxes */
.circle-box {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  margin: 0 auto 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.circle-title {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
}

/* Icons using ::before */
.circle-box::before {
  content: "";
  display: block;
  width: 70px;
  height: 70px;
  margin-bottom: 20px;
}

/* Specific colors */
/* Dark Blue Column */
.col-darkblue .circle-box {
  background-color: #0b2c67;
}
.col-darkblue .circle-box::before {
  background: url("../img/content/img_res_field01.png") no-repeat center / contain;
}
.col-darkblue .col-title {
  color: #0b2c67;
  border-bottom: 1.5px solid #0b2c67;
}
.col-darkblue .aigs-content {
  border-bottom: 1.5px solid #0b2c67;
}

/* Medium Blue Column */
.col-blue .circle-box {
  background-color: #11429b;
}
.col-blue .circle-box::before {
  background: url("../img/content/img_res_field02.png") no-repeat center / contain;
}
.col-blue .col-title {
  color: #11429b;
  border-bottom: 1.5px solid #11429b;
}
.col-blue .aigs-content {
  border-bottom: 1.5px solid #11429b;
}

/* Orange Column */
.col-orange .circle-box {
  background-color: #df5000;
}
.col-orange .circle-box::before {
  background: url("../img/content/img_res_field03.png") no-repeat center / contain;
}
.col-orange .col-title {
  color: #df5000;
  border-bottom: 1.5px solid #df5000;
}
.col-orange .aigs-content {
  border-bottom: 1.5px solid #df5000;
}

/* Content Details */
.aigs-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-bottom: 15px;
}
.col-title {
  font-size: 18px;
  font-weight: 800;
  text-align: center;
  padding-bottom: 15px;
  margin-bottom: 15px;
}
.col-desc {
  font-size: 14px;
  color: #666;
  text-align: left;
  line-height: 1.6;
  padding-bottom: 15px;
  margin-bottom: 15px;
  border-bottom: 1px solid #ddd;
}
.col-list {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
}
.col-list li {
  position: relative;
  padding-left: 12px;
  font-size: 14px;
  color: #666;
  margin-bottom: 8px;
}
.col-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #666;
}

/* Responsive */
@media (max-width: 1024px) {
  .aigs-grid {
    gap: 20px;
  }
  .circle-box {
    width: 200px;
    height: 200px;
  }
  .circle-box::before {
    width: 50px;
    height: 50px;
  }
  .circle-title {
    font-size: 16px;
  }
  .aigs-col:not(:last-child)::after {
    right: -10px;
  }
}

@media (max-width: 768px) {
  .aigs-grid {
    flex-direction: column;
    gap: 50px;
  }
  .circle-box {
    width: 250px;
    height: 250px;
  }
  .circle-title {
    font-size: 20px;
  }
  .aigs-col:not(:last-child)::after {
    display: none;
  }
}