.page-app-download {
  font-family: 'Arial', sans-serif;
  color: #f0f0f0; /* Light text for dark background, WCAG AA contrast with #000080 */
  background-color: #000080; /* Dark blue background */
}

.page-app-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-app-download__hero {
  background: linear-gradient(135deg, #000080 0%, #00004d 100%); /* Darker blue gradient */
  padding: 80px 0 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  color: #FFD700; /* Gold text for contrast */
}

.page-app-download__title {
  font-size: 3.2em;
  margin-bottom: 20px;
  color: #FFD700;
  line-height: 1.2;
  font-weight: bold;
}

.page-app-download__subtitle {
  font-size: 1.4em;
  margin-bottom: 40px;
  color: #f0f0f0; /* Light grey for readability */
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-app-download__download-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.page-app-download__btn {
  display: inline-flex;
  align-items: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-app-download__btn i {
  margin-right: 10px;
  font-size: 1.2em;
}

.page-app-download__btn--primary {
  background-color: #FFD700; /* Gold */
  color: #000080; /* Dark blue text, good contrast with gold */
  border: 2px solid #FFD700;
}

.page-app-download__btn--primary:hover {
  background-color: #e6c200;
  border-color: #e6c200;
  transform: translateY(-2px);
}

.page-app-download__btn--secondary {
  background-color: #000080; /* Dark blue */
  color: #FFD700; /* Gold text, good contrast with dark blue */
  border: 2px solid #FFD700;
}

.page-app-download__btn--secondary:hover {
  background-color: #000066;
  border-color: #e6c200;
  transform: translateY(-2px);
}

.page-app-download__btn--small {
  padding: 10px 20px;
  font-size: 0.9em;
}

.page-app-download__btn--large {
  padding: 20px 40px;
  font-size: 1.3em;
}

.page-app-download__qr-codes {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.page-app-download__qr-item {
  text-align: center;
  color: #f0f0f0;
}

.page-app-download__qr-image {
  width: 120px;
  height: 120px;
  border: 4px solid #FFD700;
  border-radius: 10px;
  margin-bottom: 10px;
  background-color: #fff;
}

.page-app-download__hero-image {
  max-width: 600px;
  width: 100%;
  height: auto;
  margin-top: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-app-download__section {
  padding: 60px 0;
  text-align: center;
}

.page-app-download__section:nth-of-type(even) {
  background-color: #000066; /* Slightly lighter dark blue for alternating sections */
}

.page-app-download__section-title {
  font-size: 2.5em;
  color: #FFD700;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-app-download__section-description {
  font-size: 1.1em;
  color: #f0f0f0;
  max-width: 900px;
  margin: 0 auto 50px;
  line-height: 1.6;
}

.page-app-download__feature-grid, .page-app-download__benefit-grid, .page-app-download__article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-app-download__feature-item, .page-app-download__benefit-item, .page-app-download__article-card {
  background-color: #00004d; /* Darker blue for cards */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-app-download__feature-item:hover, .page-app-download__benefit-item:hover, .page-app-download__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-app-download__feature-item h3, .page-app-download__benefit-item h4, .page-app-download__article-card h3 {
  font-size: 1.5em;
  color: #FFD700;
  margin-bottom: 15px;
}

.page-app-download__feature-item p, .page-app-download__benefit-item p, .page-app-download__article-card p {
  font-size: 1em;
  color: #cccccc;
  line-height: 1.6;
}

.page-app-download__feature-icon, .page-app-download__benefit-icon {
  width: 70px;
  height: 70px;
  margin-bottom: 20px;
  background-color: #FFD700;
  border-radius: 50%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  color: #000080;
  font-size: 2.5em; /* Placeholder for icon font if available */
}

.page-app-download__platform-guide {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-app-download__guide-card {
  background-color: #00004d;
  padding: 35px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  text-align: left;
  flex: 1;
  min-width: 350px;
  max-width: 550px;
}

.page-app-download__guide-card h3 {
  font-size: 1.8em;
  color: #FFD700;
  margin-bottom: 25px;
  text-align: center;
}

.page-app-download__guide-card ol {
  list-style: none;
  padding-left: 0;
  margin-bottom: 30px;
}

.page-app-download__guide-card ol li {
  position: relative;
  padding-left: 35px;
  margin-bottom: 15px;
  font-size: 1.1em;
  color: #f0f0f0;
  line-height: 1.5;
}

.page-app-download__guide-card ol li::before {
  content: counter(list-item);
  counter-increment: list-item;
  position: absolute;
  left: 0;
  top: 0;
  background-color: #FFD700;
  color: #000080;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 0.9em;
}

.page-app-download__guide-card .page-app-download__btn {
  display: block;
  width: fit-content;
  margin: 0 auto;
}

.page-app-download__note {
  font-size: 1em;
  color: #cccccc;
  margin-top: 40px;
  font-style: italic;
}

.page-app-download__cta-text {
  font-size: 1.3em;
  color: #FFD700;
  margin-top: 60px;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-app-download__related-articles .page-app-download__article-card {
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-app-download__related-articles .page-app-download__article-card h3 {
  font-size: 1.3em;
  margin-bottom: 10px;
  color: #FFD700;
}

.page-app-download__related-articles .page-app-download__article-card p {
  flex-grow: 1;
  margin-bottom: 20px;
  color: #cccccc;
}

.page-app-download__related-articles .page-app-download__article-card .page-app-download__btn {
  align-self: flex-start;
  margin-top: auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .page-app-download__title {
    font-size: 2.5em;
  }

  .page-app-download__subtitle {
    font-size: 1.2em;
  }

  .page-app-download__download-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-app-download__btn {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
  }

  .page-app-download__qr-codes {
    flex-direction: column;
    gap: 20px;
  }

  .page-app-download__section-title {
    font-size: 2em;
  }

  .page-app-download__feature-grid, .page-app-download__benefit-grid, .page-app-download__article-grid {
    grid-template-columns: 1fr;
  }

  .page-app-download__platform-guide {
    flex-direction: column;
    gap: 20px;
  }

  .page-app-download__guide-card {
    min-width: unset;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .page-app-download__title {
    font-size: 2em;
  }

  .page-app-download__subtitle {
    font-size: 1em;
  }

  .page-app-download__btn {
    font-size: 1em;
    padding: 12px 25px;
  }

  .page-app-download__section-title {
    font-size: 1.8em;
  }

  .page-app-download__qr-image {
    width: 100px;
    height: 100px;
  }
}