/* style/platform-introduction.css */
.page-platform-introduction {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333333; /* Dark text for readability on light backgrounds */
}

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

.page-platform-introduction__hero {
  background: linear-gradient(135deg, #FFD700 0%, #000080 100%); /* Gold to Navy Blue gradient */
  color: #FFFFFF; /* White text on dark/gradient background */
  padding: 80px 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.page-platform-introduction__hero-content {
  z-index: 1;
  max-width: 900px;
  margin-bottom: 30px;
}

.page-platform-introduction__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.15;
  overflow: hidden;
}

.page-platform-introduction__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
}

.page-platform-introduction__title {
  font-size: 3.2em;
  margin-bottom: 20px;
  font-weight: bold;
  color: #FFFFFF; /* White for main title on dark background */
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
}

.page-platform-introduction__subtitle {
  font-size: 1.3em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-platform-introduction__section {
  padding: 60px 0;
  background-color: #f9f9f9; /* Light background for sections */
}

.page-platform-introduction__section:nth-of-type(odd) {
  background-color: #ffffff;
}

.page-platform-introduction__section-title {
  font-size: 2.5em;
  color: #000080; /* Navy Blue for section titles */
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-platform-introduction__about p, .page-platform-introduction__why-choose p {
  font-size: 1.1em;
  margin-bottom: 15px;
  text-align: justify;
}

.page-platform-introduction__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-platform-introduction__value-item {
  background-color: #FFFFFF;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-platform-introduction__value-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-platform-introduction__value-item h3 {
  font-size: 1.6em;
  color: #FFD700; /* Gold for sub-titles */
  margin-top: 20px;
  margin-bottom: 15px;
}

.page-platform-introduction__value-item p {
  font-size: 1em;
  color: #555555;
}

.page-platform-introduction__value-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.page-platform-introduction__why-choose-content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.page-platform-introduction__why-choose-text {
  flex: 1;
  min-width: 300px;
}

.page-platform-introduction__why-choose-text ul {
  list-style: none;
  padding-left: 0;
  margin-top: 20px;
  margin-bottom: 20px;
}

.page-platform-introduction__why-choose-text ul li {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="%23FFD700"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z"/></svg>') no-repeat left center;
  background-size: 20px 20px;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 1.05em;
}

.page-platform-introduction__why-choose-image-wrapper {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.page-platform-introduction__why-choose-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-platform-introduction__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-platform-introduction__feature-item {
  background-color: #000080; /* Navy Blue background */
  color: #FFFFFF; /* White text */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-platform-introduction__feature-item:hover {
  background-color: #1a1a90; /* Slightly lighter navy on hover */
  transform: translateY(-5px);
}

.page-platform-introduction__feature-item h3 {
  font-size: 1.5em;
  color: #FFD700; /* Gold for feature titles */
  margin-top: 20px;
  margin-bottom: 10px;
}

.page-platform-introduction__feature-item p {
  font-size: 0.95em;
  color: #e0e0e0;
}

.page-platform-introduction__feature-icon {
  width: 70px;
  height: 70px;
  object-fit: contain;
  filter: invert(100%) sepia(100%) saturate(0%) hue-rotate(280deg) brightness(100%) contrast(100%); /* Make icons white/gold on navy background */
}

.page-platform-introduction__features-cta {
  text-align: center;
  font-size: 1.2em;
  margin-top: 40px;
  margin-bottom: 30px;
  color: #000080;
  font-weight: bold;
}

.page-platform-introduction__subpages {
  background-color: #f2f2f2;
}

.page-platform-introduction__subpages-intro {
  text-align: center;
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 50px auto;
  color: #555555;
}

.page-platform-introduction__subpage-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-platform-introduction__subpage-item {
  background-color: #FFFFFF;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-platform-introduction__subpage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.12);
}

.page-platform-introduction__subpage-item h3 {
  font-size: 1.4em;
  margin-bottom: 15px;
}

.page-platform-introduction__subpage-item h3 a {
  color: #000080; /* Navy Blue for subpage titles */
  text-decoration: none;
  font-weight: bold;
}

.page-platform-introduction__subpage-item h3 a:hover {
  color: #FFD700; /* Gold on hover */
}

.page-platform-introduction__subpage-item p {
  font-size: 0.95em;
  color: #666666;
  margin-bottom: 20px;
}

.page-platform-introduction__cta-bottom {
  background: #000080; /* Navy Blue background */
  color: #FFFFFF; /* White text */
  text-align: center;
  padding: 80px 0;
}

.page-platform-introduction__cta-bottom .page-platform-introduction__section-title {
  color: #FFD700; /* Gold for CTA title */
  margin-bottom: 20px;
}

.page-platform-introduction__cta-bottom p {
  font-size: 1.2em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.page-platform-introduction__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
  margin: 10px;
  cursor: pointer;
}

.page-platform-introduction__btn--primary {
  background-color: #FFD700; /* Gold background */
  color: #000080; /* Navy text */
  border: 2px solid #FFD700;
}

.page-platform-introduction__btn--primary:hover {
  background-color: #e6c200; /* Darker gold on hover */
  color: #000050;
  transform: translateY(-3px);
}

.page-platform-introduction__btn--secondary {
  background-color: #000080; /* Navy background */
  color: #FFD700; /* Gold text */
  border: 2px solid #FFD700;
}

.page-platform-introduction__btn--secondary:hover {
  background-color: #000050; /* Darker navy on hover */
  color: #ffe033;
  transform: translateY(-3px);
}

.page-platform-introduction__btn--outline {
  background-color: transparent;
  color: #000080; /* Navy text */
  border: 2px solid #000080;
  padding: 10px 20px;
  font-size: 1em;
}

.page-platform-introduction__btn--outline:hover {
  background-color: #000080;
  color: #FFD700;
  transform: translateY(-3px);
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .page-platform-introduction__title {
    font-size: 2.5em;
  }
  .page-platform-introduction__section-title {
    font-size: 2em;
  }
  .page-platform-introduction__why-choose-content {
    flex-direction: column;
  }
  .page-platform-introduction__why-choose-image-wrapper {
    order: -1; /* Image above text on smaller screens */
  }
  .page-platform-introduction__subpage-list {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-platform-introduction__hero {
    padding: 60px 0;
  }
  .page-platform-introduction__title {
    font-size: 2em;
  }
  .page-platform-introduction__subtitle {
    font-size: 1.1em;
  }
  .page-platform-introduction__section {
    padding: 40px 0;
  }
  .page-platform-introduction__section-title {
    font-size: 1.8em;
  }
  .page-platform-introduction__values-grid, .page-platform-introduction__features-grid {
    grid-template-columns: 1fr;
  }
  .page-platform-introduction__btn {
    padding: 12px 25px;
    font-size: 1em;
  }
}

@media (max-width: 480px) {
  .page-platform-introduction__title {
    font-size: 1.8em;
  }
  .page-platform-introduction__subtitle {
    font-size: 1em;
  }
  .page-platform-introduction__section-title {
    font-size: 1.6em;
  }
  .page-platform-introduction__btn {
    margin: 5px;
  }
  .page-platform-introduction__cta-bottom p {
    font-size: 1em;
  }
}