#iam-section * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Paperlogy Regular';
  }
  
  #iam-section {
    height: 200vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    background: black;
    color: white;
    font-family: 'Arial', sans-serif;
    overflow-x: hidden;
  }
  #iam-section .card-container {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: center;
    gap: 15vw;
    width: 100%;
  }
  
  #iam-section .column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }
  
  #iam-section .card {
    position: relative;
    background-color: #111;
    border-radius: 20px;
    padding: 20px;
    width: 180px;
    height: 200px;
    color: white;
    text-align: center;
    transition: 
      background-color 0.6s ease,
      color 0.6s ease,
      transform 0.4s ease;
    transform: translateX(0) rotate(0); /* ✅ 추가된 부분 */
    overflow: hidden;
  }
  
  
  #iam-section .card:hover {
    background-color: black;
    color: white;
    transform: scale(1.05);
  }
  
  #iam-section .card-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    z-index: 2;
  }
  
  #iam-section .card-desc {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    padding: 0 10px;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(30px);
    transition: 
      opacity 0.5s ease,
      transform 0.5s ease;
    z-index: 1;
    color: white;
  }
  
  #iam-section .card:hover .card-desc {
    opacity: 1;
    transform: translateY(0);
  }
  
  #iam-section .center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    opacity: 0;
    transition: opacity 1s ease;
    max-width: 300px;
  }
  
  .card.initial {
    transform: translateX(0) rotate(0);
    transition: transform 0.4s ease;
  }
  
  #iam-section.active .column.left .card {
    transform: translateX(-100px) rotate(-5deg);
  }
  
  #iam-section.active .column.right .card {
    transform: translateX(100px) rotate(5deg);
  }

  #iam-section .center-text {
    opacity: 0;
    transform: translate(-50%, -40%);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  
  #iam-section.active .center-text {
    opacity: 1;
    transform: translate(-50%, -50%);
  }

  #iam-section .center-text .section-title {
    margin-bottom: 1rem;
  }
  
  #iam-section .center-text .center-text-sub-title {
    margin-bottom: 0.8rem;
  }
  
  #iam-section .center-text .center-text-content {
    line-height: 1.6;
    font-size: small;
  }
  .card-bg-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5); /* ← 반투명 검정색 */
    border-radius: 20px;
    z-index: 1;
  }
  .card-bg-img {
    background-size: 100%; /* or contain / cover */
    background-repeat: no-repeat;
    background-position: center;
  }
  .card-bg-img .card-title,
.card-bg-img .card-desc {
  position: relative;
  z-index: 2;
  color: white;
}