.page-resources-hi823-platform-guide {
  font-family: 'Arial', sans-serif;
  color: #ffffff; /* Default text color for dark body background */
  background-color: #121212; /* Inherited from shared.css body */
}

.page-resources-hi823-platform-guide__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.page-resources-hi823-platform-guide__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  padding-top: calc(80px + var(--header-offset, 120px)); /* Ensure content is below fixed header */
  text-align: center;
  background-color: #1a1a1a;
  overflow: hidden;
}

.page-resources-hi823-platform-guide__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.page-resources-hi823-platform-guide__hero-title {
  font-size: 3.5em;
  font-weight: bold;
  margin-bottom: 20px;
  color: #ffffff;
  line-height: 1.2;
}

.page-resources-hi823-platform-guide__hero-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  color: #f0f0f0;
}

.page-resources-hi823-platform-guide__hero-cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-resources-hi823-platform-guide__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.3;
}

.page-resources-hi823-platform-guide__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-resources-hi823-platform-guide__section-title {
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 30px;
  text-align: center;
}

.page-resources-hi823-platform-guide__text-block {
  font-size: 1.1em;
  line-height: 1.7;
  margin-bottom: 20px;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-resources-hi823-platform-guide__introduction-section,
.page-resources-hi823-platform-guide__products-section,
.page-resources-hi823-platform-guide__promotions-section,
.page-resources-hi823-platform-guide__support-section,
.page-resources-hi823-platform-guide__faq-section {
  padding: 80px 0;
}

.page-resources-hi823-platform-guide__guide-section,
.page-resources-hi823-platform-guide__security-section,
.page-resources-hi823-platform-guide__app-section,
.page-resources-hi823-platform-guide__conclusion-section {
  padding: 80px 0;
}

/* Color contrast management */
.page-resources-hi823-platform-guide__dark-bg {
  background-color: #1a1a1a; /* Dark background */
  color: #ffffff; /* Light text */
}

.page-resources-hi823-platform-guide__light-bg {
  background-color: #f0f0f0; /* Light background */
  color: #333333; /* Dark text */
}

.page-resources-hi823-platform-guide__light-bg .page-resources-hi823-platform-guide__section-title,
.page-resources-hi823-platform-guide__light-bg .page-resources-hi823-platform-guide__text-block,
.page-resources-hi823-platform-guide__light-bg .page-resources-hi823-platform-guide__feature-title,
.page-resources-hi823-platform-guide__light-bg .page-resources-hi823-platform-guide__card-title,
.page-resources-hi823-platform-guide__light-bg .page-resources-hi823-platform-guide__card p,
.page-resources-hi823-platform-guide__light-bg .page-resources-hi823-platform-guide__faq-question h3,
.page-resources-hi823-platform-guide__light-bg .page-resources-hi823-platform-guide__faq-answer p {
  color: #333333;
}

/* Buttons */
.page-resources-hi823-platform-guide__btn-primary,
.page-resources-hi823-platform-guide__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-resources-hi823-platform-guide__btn-primary {
  background-color: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-resources-hi823-platform-guide__btn-primary:hover {
  background-color: #1e87b9;
  border-color: #1e87b9;
}

.page-resources-hi823-platform-guide__btn-secondary {
  background-color: transparent;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-resources-hi823-platform-guide__btn-secondary:hover {
  background-color: #26A9E0;
  color: #ffffff;
}

.page-resources-hi823-platform-guide__btn-text {
  color: #26A9E0;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-resources-hi823-platform-guide__btn-text:hover {
  color: #1e87b9;
  text-decoration: underline;
}

/* Feature Grid */
.page-resources-hi823-platform-guide__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  text-align: left;
}

.page-resources-hi823-platform-guide__feature-item {
  background-color: rgba(255, 255, 255, 0.08); /* Slightly lighter background for cards in dark sections */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-resources-hi823-platform-guide__light-bg .page-resources-hi823-platform-guide__feature-item {
  background-color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-resources-hi823-platform-guide__feature-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: #26A9E0;
}

.page-resources-hi823-platform-guide__feature-item p {
  font-size: 1em;
  line-height: 1.6;
  color: #cccccc;
}

.page-resources-hi823-platform-guide__light-bg .page-resources-hi823-platform-guide__feature-item p {
  color: #555555;
}

/* Video Section */
.page-resources-hi823-platform-guide__video-section {
  padding-top: var(--header-offset, 120px); /* Ensure video section starts below the fixed header */
  padding-bottom: 80px;
  text-align: center;
}

.page-resources-hi823-platform-guide__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  margin: 40px auto;
  border-radius: 10px;
}

.page-resources-hi823-platform-guide__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  cursor: pointer;
}

.page-resources-hi823-platform-guide__video-caption {
  font-size: 0.9em;
  margin-top: 20px;
  color: #cccccc;
}

/* Product Grid */
.page-resources-hi823-platform-guide__product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-resources-hi823-platform-guide__card {
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  text-align: center;
  padding-bottom: 20px;
  display: flex;
  flex-direction: column;
  color: #333333;
}

.page-resources-hi823-platform-guide__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 15px;
}

.page-resources-hi823-platform-guide__card-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 10px;
  padding: 0 15px;
}

.page-resources-hi823-platform-guide__card-title a {
  color: #333333;
  text-decoration: none;
}

.page-resources-hi823-platform-guide__card-title a:hover {
  color: #26A9E0;
  text-decoration: underline;
}

.page-resources-hi823-platform-guide__card p {
  font-size: 1em;
  line-height: 1.6;
  color: #555555;
  padding: 0 15px;
  flex-grow: 1;
}

.page-resources-hi823-platform-guide__card .page-resources-hi823-platform-guide__btn-text {
  margin-top: 15px;
  display: block;
}

/* Guide Section */
.page-resources-hi823-platform-guide__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  text-align: center;
}

.page-resources-hi823-platform-guide__guide-item {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 10px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-resources-hi823-platform-guide__step-number {
  width: 60px;
  height: 60px;
  background-color: #26A9E0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2em;
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.page-resources-hi823-platform-guide__step-title {
  font-size: 1.6em;
  margin-bottom: 15px;
  color: #ffffff;
}

.page-resources-hi823-platform-guide__guide-item p {
  font-size: 1em;
  line-height: 1.6;
  color: #cccccc;
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-resources-hi823-platform-guide__guide-item p a {
  color: #26A9E0;
  text-decoration: none;
}

.page-resources-hi823-platform-guide__guide-item p a:hover {
  text-decoration: underline;
}

/* Promotions Section */
.page-resources-hi823-platform-guide__promotion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* Security Section */
.page-resources-hi823-platform-guide__security-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
  text-align: center;
}

.page-resources-hi823-platform-guide__security-item {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 10px;
}

.page-resources-hi823-platform-guide__security-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-resources-hi823-platform-guide__security-subtitle {
  font-size: 1.4em;
  margin-bottom: 10px;
  color: #ffffff;
}

.page-resources-hi823-platform-guide__security-item p {
  font-size: 0.95em;
  line-height: 1.6;
  color: #cccccc;
}

.page-resources-hi823-platform-guide__security-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* Support Section */
.page-resources-hi823-platform-guide__support-channels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* App Section */
.page-resources-hi823-platform-guide__app-download-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-resources-hi823-platform-guide__app-image {
  display: block;
  max-width: 800px;
  width: 100%;
  height: auto;
  margin: 50px auto 0 auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.page-resources-hi823-platform-guide__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-resources-hi823-platform-guide__faq-item {
  background-color: #ffffff;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-resources-hi823-platform-guide__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  background-color: #f7f7f7;
  border-bottom: 1px solid #eee;
}

.page-resources-hi823-platform-guide__faq-question h3 {
  margin: 0;
  font-size: 1.2em;
  color: #333333;
}

.page-resources-hi823-platform-guide__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: #26A9E0;
  transition: transform 0.3s ease;
}

.page-resources-hi823-platform-guide__faq-item.active .page-resources-hi823-platform-guide__faq-toggle {
  transform: rotate(45deg);
}

.page-resources-hi823-platform-guide__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-resources-hi823-platform-guide__faq-item.active .page-resources-hi823-platform-guide__faq-answer {
  max-height: 1000px !important; /* Sufficiently large to contain content */
  padding: 20px !important;
}

.page-resources-hi823-platform-guide__faq-answer p {
  margin: 0;
  line-height: 1.7;
  color: #555555;
}

.page-resources-hi823-platform-guide__faq-answer p a {
  color: #26A9E0;
  text-decoration: none;
}

.page-resources-hi823-platform-guide__faq-answer p a:hover {
  text-decoration: underline;
}

/* Conclusion Section */
.page-resources-hi823-platform-guide__conclusion-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-resources-hi823-platform-guide__hero-title {
    font-size: 3em;
  }
  .page-resources-hi823-platform-guide__hero-description {
    font-size: 1.2em;
  }
  .page-resources-hi823-platform-guide__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-resources-hi823-platform-guide__hero-section {
    padding: 60px 15px;
    padding-top: calc(60px + var(--header-offset, 120px));
  }
  .page-resources-hi823-platform-guide__hero-title {
    font-size: 2.2em;
  }
  .page-resources-hi823-platform-guide__hero-description {
    font-size: 1em;
  }
  .page-resources-hi823-platform-guide__section-title {
    font-size: 1.8em;
  }
  .page-resources-hi823-platform-guide__text-block {
    font-size: 0.95em;
  }

  /* Mobile responsive for images */
  .page-resources-hi823-platform-guide img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  /* Mobile responsive for video */
  .page-resources-hi823-platform-guide video,
  .page-resources-hi823-platform-guide__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-resources-hi823-platform-guide__video-section {
    padding-top: var(--header-offset, 120px) !important;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box !important;
  }

  .page-resources-hi823-platform-guide__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* Mobile responsive for buttons */
  .page-resources-hi823-platform-guide__btn-primary,
  .page-resources-hi823-platform-guide__btn-secondary,
  .page-resources-hi823-platform-guide a[class*="button"],
  .page-resources-hi823-platform-guide a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-resources-hi823-platform-guide__hero-cta-buttons,
  .page-resources-hi823-platform-guide__security-cta,
  .page-resources-hi823-platform-guide__app-download-buttons,
  .page-resources-hi823-platform-guide__conclusion-cta {
    flex-direction: column;
    gap: 15px;
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-resources-hi823-platform-guide__container,
  .page-resources-hi823-platform-guide__product-grid,
  .page-resources-hi823-platform-guide__feature-grid,
  .page-resources-hi823-platform-guide__guide-steps,
  .page-resources-hi823-platform-guide__promotion-grid,
  .page-resources-hi823-platform-guide__security-features,
  .page-resources-hi823-platform-guide__support-channels,
  .page-resources-hi823-platform-guide__faq-list {
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden;
  }

  .page-resources-hi823-platform-guide__card {
    margin-bottom: 20px;
  }
}

@media (max-width: 480px) {
  .page-resources-hi823-platform-guide__hero-title {
    font-size: 1.8em;
  }
  .page-resources-hi823-platform-guide__section-title {
    font-size: 1.5em;
  }
  .page-resources-hi823-platform-guide__faq-question h3 {
    font-size: 1em;
  }
}