body {
  font-family: 'Roboto', sans-serif;
  background-color: #f5f5f5; 
  color: #222;
  margin: 0;
  padding: 0;
}


main {
  max-width: 960px;
  margin: auto;
  padding: 1rem;
}

.card {
  padding: 1.2rem;
  border-radius: 10px;
  min-height: 140px;
  color: #fff;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease;
}
.card:hover {
  transform: scale(1.02);
}

.card.solid {
  background-color: #1e88e5; 
}
.card.solid .cta {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 0.4rem 0.8rem;
  background-color: #fff;
  color: #1e88e5;
  text-decoration: none;
  border-radius: 4px;
}

.card.linear {
  background: linear-gradient(90deg, #ff8a65, #ff5252);
}

.card.radial {
  background: radial-gradient(circle at top left, #81d4fa, #0288d1);
}

.bg-demo {
  background-image: url("https://wallpapergod.com/images/hd/4k-gaming-5120X2880-wallpaper-gfb3158gbj2x3nmb.jpeg");
  background-repeat: repeat-x;
  background-position: center top;
  background-size: contain;
  padding: 2rem;
  color: #fff;
  position: relative;
}
.bg-demo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 0;
}
.bg-demo * {
  position: relative;
  z-index: 1;
}

.bg-compare {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}
.compare {
  flex: 1;
  min-height: 160px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  font-weight: bold;
}
.compare.cover {
  background: url("https://4kwallpapers.com/images/walls/thumbs_2t/21997.jpg") center/cover no-repeat;
}
.compare.contain {
  background: url("https://4kwallpapers.com/images/wallpapers/assassins-creed-7680x4320-16786.jpeg") center/contain no-repeat;
  border: 1px solid #ccc;
}

.parallax {
  background: url("https://img.freepik.com/free-photo/view-car-running-high-speed_23-2150635418.jpg") center/cover fixed;
  min-height: 220px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}
@media (max-width: 720px) {
  .bg-compare {
    flex-direction: column;
  }
  .card {
    padding: 1rem;
  }
}