/* Default styles */
body {
  font-size: 16px;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Card Section */
.card {
  position: relative;
  max-width: 100%;
  width: 90%;               /* responsive width */
  height: auto;             /* height flexible */
  min-height: 150px;
  border-radius: 14px;
  z-index: 1111;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 20px 20px 60px #bebebe, -20px -20px 60px #ffffff;
  margin: 20px auto;        /* center align */
}

.bg {
  position: absolute;
  top: 5px;
  left: 5px;
  width: calc(100% - 10px);
  height: calc(100% - 10px);
  z-index: 2;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(24px);
  border-radius: 10px;
  overflow: hidden;
  outline: 2px solid white;
}

.blob {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60%;               /* responsive blob */
  height: 40%;
  border-radius: 50%;
  background-color: #ff0000;
  opacity: 1;
  filter: blur(12px);
  animation: blob-bounce 5s infinite ease;
}

@keyframes blob-bounce {
  0% { transform: translate(-100%, -100%) translate3d(0, 0, 0); }
  25% { transform: translate(-100%, -100%) translate3d(100%, 0, 0); }
  50% { transform: translate(-100%, -100%) translate3d(100%, 100%, 0); }
  75% { transform: translate(-100%, -100%) translate3d(0, 100%, 0); }
  100% { transform: translate(-100%, -100%) translate3d(0, 0, 0); }
}

.start {
  margin-left: 20px;
}

/* Software Sections */
.software1,
.software2,
.software3,
.software4,
.software5,
.software9 {
  border-left: 10px solid orangered;
  margin: 50px auto;           /* responsive center margin */
  padding: 20px;
  max-width: 90%;              /* fit to screen */
  background: #fff;
  border-radius: 8px;
  box-shadow: 5px 5px 20px #ccc;
}

.software8 {
  text-decoration: underline solid orangered;
}

/* Mobile styles */
@media screen and (max-width: 768px) {
  body {
    font-size: 14px;
  }

  .card {
    width: 95%;
    margin: 10px auto;
  }

  .software1,
  .software2,
  .software3,
  .software4,
  .software5,
  .software9 {
    margin: 20px auto;
    padding: 15px;
  }
}