.page-mobile-app-update-guide {
  font-family: 'Arial', sans-serif;
  color: #e0e0e0; /* Light gray for text on dark background */
  background-color: #001a33; /* Darker variant of primary color for main background */
  line-height: 1.6;
}

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

.page-mobile-app-update-guide__hero-section {
  background: linear-gradient(135deg, #003366, #004080); /* Gradient with primary color */
  color: #ffffff;
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-mobile-app-update-guide__hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('[GALLERY:bg:abstract_pattern,gaming_elements,subtle,dark_blue]');
  background-size: cover;
  opacity: 0.1;
  z-index: 0;
}

.page-mobile-app-update-guide__main-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  color: #FFCC00; /* Secondary color for main title */
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
  position: relative;
  z-index: 1;
  font-weight: bold;
}

.page-mobile-app-update-guide__intro-text {
  font-size: 1.2em;
  max-width: 800px;
  margin: 0 auto 40px;
  position: relative;
  z-index: 1;
}

.page-mobile-app-update-guide__cta-button {
  display: inline-block;
  background-color: #FFCC00; /* Secondary color for CTA button */
  color: #003366; /* Primary color for text on CTA button */
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.3s ease;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1;
}

.page-mobile-app-update-guide__cta-button:hover {
  background-color: #e6b800; /* Slightly darker yellow on hover */
  transform: translateY(-3px);
}

.page-mobile-app-update-guide__cta-button--small {
  padding: 10px 20px;
  font-size: 1em;
}

.page-mobile-app-update-guide__section {
  padding: 60px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-mobile-app-update-guide__section:last-of-type {
  border-bottom: none;
}

.page-mobile-app-update-guide__section-title {
  font-size: 2.5em;
  color: #FFCC00; /* Secondary color for section titles */
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-mobile-app-update-guide__section-title .highlight {
  color: #ffffff;
}

.page-mobile-app-update-guide__why-update p {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px;
  font-size: 1.1em;
}

.page-mobile-app-update-guide__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-mobile-app-update-guide__grid-item {
  background-color: #002244; /* Slightly lighter primary color for item background */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-mobile-app-update-guide__grid-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-mobile-app-update-guide__feature-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 5px rgba(255, 204, 0, 0.5)); /* Glow effect for icons */
}

.page-mobile-app-update-guide__item-title {
  font-size: 1.6em;
  color: #FFCC00; /* Secondary color for item titles */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-mobile-app-update-guide__step-by-step {
  background-color: #002244;
  padding: 40px;
  border-radius: 10px;
  margin-bottom: 30px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-mobile-app-update-guide__step-title {
  font-size: 2em;
  color: #FFCC00;
  margin-bottom: 25px;
  text-align: center;
  font-weight: bold;
}

.page-mobile-app-update-guide__list {
  list-style-type: decimal;
  padding-left: 25px;
  margin-bottom: 25px;
  font-size: 1.1em;
}

.page-mobile-app-update-guide__list li {
  margin-bottom: 10px;
}

.page-mobile-app-update-guide__list--bullets {
  list-style-type: disc;
  padding-left: 20px;
}

.page-mobile-app-update-guide__image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 30px auto;
  display: block;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.page-mobile-app-update-guide__image--large {
  max-width: 80%;
}

.page-mobile-app-update-guide__note {
  font-style: italic;
  text-align: center;
  color: #b0b0b0;
  margin-top: 20px;
}

.page-mobile-app-update-guide__link {
  color: #FFCC00;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-mobile-app-update-guide__link:hover {
  color: #e6b800;
  text-decoration: underline;
}

.page-mobile-app-update-guide__pre-update-tips ul {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.1em;
}

.page-mobile-app-update-guide__pre-update-tips li {
  margin-bottom: 15px;
  position: relative;
  padding-left: 30px;
}

.page-mobile-app-update-guide__pre-update-tips li::before {
  content: '✔';
  color: #FFCC00;
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-mobile-app-update-guide__faq-item {
  background-color: #002244;
  padding: 25px;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-mobile-app-update-guide__faq-item .page-mobile-app-update-guide__item-title {
  font-size: 1.4em;
  color: #FFCC00;
  margin-bottom: 15px;
  text-align: left;
}

.page-mobile-app-update-guide__faq-item p {
  margin-bottom: 10px;
}

.page-mobile-app-update-guide__cta-final p {
  font-size: 1.2em;
  text-align: center;
  margin-bottom: 40px;
}

.page-mobile-app-update-guide__button-group {
  text-align: center;
  margin-top: 40px;
}

.page-mobile-app-update-guide__button-group .page-mobile-app-update-guide__cta-button {
  margin: 0 15px;
}

.page-mobile-app-update-guide .highlight {
  color: #FFCC00;
  font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
  .page-mobile-app-update-guide__main-title {
    font-size: 2.5em;
  }

  .page-mobile-app-update-guide__intro-text {
    font-size: 1em;
  }

  .page-mobile-app-update-guide__section-title {
    font-size: 2em;
  }

  .page-mobile-app-update-guide__grid {
    grid-template-columns: 1fr;
  }

  .page-mobile-app-update-guide__step-title {
    font-size: 1.8em;
  }

  .page-mobile-app-update-guide__button-group .page-mobile-app-update-guide__cta-button {
    display: block;
    margin: 15px auto;
  }

  .page-mobile-app-update-guide__image--large {
    max-width: 95%;
  }
}

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

  .page-mobile-app-update-guide__section-title {
    font-size: 1.8em;
  }

  .page-mobile-app-update-guide__cta-button {
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-mobile-app-update-guide__section {
    padding: 40px 0;
  }

  .page-mobile-app-update-guide__step-by-step {
    padding: 25px;
  }

  .page-mobile-app-update-guide__faq-item .page-mobile-app-update-guide__item-title {
    font-size: 1.2em;
  }
}