body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: #ffffff;
  background: #243b55; /* Fallback background color */
  background: linear-gradient(to right, #141e30, #243b55);
  margin: 0;
  padding: 0;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 2em;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5em;
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.subtitle {
  font-size: 1.2rem;
  color: #dcdcdc;
}

h2 {
  font-size: 2rem;
  margin-top: 2em;
  margin-bottom: 1em;
  color: #ffffff;
  border-bottom: 2px solid #4da3ff;
  padding-bottom: 0.5em;
}

.card {
  background: #1e1e1e;
  border-radius: 12px;
  padding: 1.5em;
  margin-bottom: 2em;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

h3 {
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 1em;
  color: #4da3ff;
}

.point-box {
  background-color: #2a2a2a;
  border-radius: 8px;
  padding: 1em;
  margin-bottom: 1em;
  border-left: 4px solid #4da3ff;
}

.point-box p {
  margin: 0;
}

a {
  color: #4da3ff;
  text-decoration: none;
  display: inline-block;
  margin-top: 0.5em;
}

a:hover {
  color: #82c0ff;
  text-decoration: underline;
}

footer {
  text-align: center;
  margin-top: 2em;
  padding: 1em;
  color: #dcdcdc;
  font-size: 0.9rem;
}

/* Responsive Grid */
.cards-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.cards-container .card {
  flex: 1 1 calc(33% - 1em);
  margin: 0.5em;
}

@media screen and (max-width: 1024px) {
  .cards-container .card {
    flex: 1 1 calc(47% - 1em);
    margin: 0.5em;
  }

  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  h3 {
    font-size: 1.3rem;
  }
}

@media screen and (max-width: 768px) {
  .cards-container {
    flex-direction: column;
    align-items: center;
  }

  .cards-container .card {
    flex: 1 1 100%;
    margin: 0.5em 0;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  .container {
    width: 95%;
    padding: 10px;
  }

  header {
    margin-bottom: 1.5em;
  }

  footer {
    margin-top: 1.5em;
  }
}