.py-5 {
      background: #eee;
    }

    .main-card {
      margin: 1.5rem;
      background: #fff;
      border-radius: 20px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
      padding: 25px;
    }

    .main-img {
      border-radius: 15px;
      width: 100%;
      height: 450px;
      object-fit: cover;
      opacity: 1;
      transition: opacity 0.8s ease;
    }

    .fade-out {
      opacity: 0;
    }

    .thumb-img {
      border-radius: 10px;
      width: 100%;
      height: 100px;
      object-fit: cover;
      cursor: pointer;
      transition: transform 0.3s ease;
    }

    .thumb-img:hover {
      transform: scale(1.05);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    .info-box {
      background: #fafafa;
      border-radius: 15px;
      padding: 20px;
    }

    .info-item {
      display: flex;
      align-items: center;
      background: #e1e1e1;
      border-radius: 40px;
      padding: 10px;
      margin-bottom: 10px;
      font-size: 0.95rem;
    }

    .info-item i {
      display: flex;
      height: 3vw;
      background: #3E4095;
      color: #fff;
      border-radius: 50%;
      padding: 1vw;
      margin-left: 10px;
    }

    /* دکمه‌های قبلی و بعدی */
    .nav-btn {
    
      position: absolute;
      top: 40%;
      transform: translateY(-50%);
      background: rgba(0, 0, 0, 0.5);
      border: none;
      color: #fff;
      font-size: 1.5rem;
      border-radius: 50%;
      width: 45px;
      height: 45px;
      display: flex;
      justify-content: center;
      
      cursor: pointer;
      transition: background 0.3s ease;
    }

    .nav-btn:hover {
      background: rgba(0, 0, 0, 0.8);
    }

    .prev-btn {
      left: 15px;
    }

    .next-btn {
      right: 15px;
    }

    .custom-hr{
    width: 80px !important;
    height: 5px;
    background-color: #3E4095 !important;
    border: none !important;
    opacity: 1 !important;
    margin: 0 10px 0px auto;
    border-radius: 6px;
}

    .custom-hr {
  width: 80px;
  height: 5px;
  background-color: #3E4095 !important; /* زرد پررنگ */
  border: none !important;
  opacity: 1 !important;  /* مشکل کم‌رنگی رو حل می‌کنه */
  margin: 0 10px 0px auto;
  border-radius: 6px;
}

.project-box {
  position: relative;
  display: block;
  overflow: hidden;
  height: 400px; /* ارتفاع ثابت */
}

.project-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-box:hover img {
  transform: scale(1.05);
}

.project-box .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0; /* اول مخفی */
  transition: opacity 0.3s ease;
  border-radius: 5px;
  text-align: center;
}

.project-box:hover .overlay {
  opacity: 1; /* با hover ظاهر میشه */
}

.project-box .overlay h6 {
  font-size: 16px;
  font-weight: bold;
  color: #3E4095;
  margin-bottom: 5px;
}

.project-box .overlay p {
  font-size: 14px;
  margin: 0;
}

.carousel-control-prev,
.carousel-control-next {
    color: #fff !important;
    display: flex !important;
      justify-content: center !important;
        align-items: flex-end !important;
        width: 10% !important;

  top: 15% !important;                  
  transform: translateY(-50%);
  width: auto;
  opacity: 1;               
}

.carousel-control-prev {
  left: 20px; 
}

.carousel-control-next {
  right: 20px;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  background-color: rgba(0, 0, 0, 0.8); 
  border-radius: 50%;
  padding: 20px;
  background-size: 30% !important;
  
}