.page-index-platform-features {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Default text color for dark body background */
  background-color: #000000; /* Body background from shared.css */
}

.page-index-platform-features__section {
  padding: 60px 20px;
  text-align: center;
}

.page-index-platform-features__dark-bg {
  background-color: #017439;
  color: #ffffff;
}

.page-index-platform-features__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-index-platform-features__section-title {
  font-size: 2.5em;
  margin-bottom: 20px;
  color: inherit;
}

.page-index-platform-features__paragraph {
  font-size: 1.1em;
  max-width: 900px;
  margin: 0 auto 30px auto;
  line-height: 1.7;
  color: inherit;
}

/* Hero Section */
.page-index-platform-features__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: var(--header-offset, 120px); /* Apply header offset */
  min-height: 600px;
  overflow: hidden;
}

.page-index-platform-features__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.page-index-platform-features__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: brightness(0.7); /* Only for darkening, not changing color */
}

.page-index-platform-features__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
  text-align: center;
  color: #ffffff;
}

.page-index-platform-features__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
}

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

.page-index-platform-features__hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.page-index-platform-features__btn-primary,
.page-index-platform-features__btn-secondary,
.page-index-platform-features a[class*="button"],
.page-index-platform-features a[class*="btn"] {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-index-platform-features__btn-primary {
  background-color: #C30808; /* Đăng ký/Đăng nhập color */
  color: #FFFF00; /* Đăng ký/Đăng nhập font color */
  border: 2px solid #C30808;
}

.page-index-platform-features__btn-primary:hover {
  background-color: #a30606;
  border-color: #a30606;
}

.page-index-platform-features__btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.page-index-platform-features__btn-secondary:hover {
  background-color: #ffffff;
  color: #017439;
}

/* Feature Grid */
.page-index-platform-features__features-grid {
  padding-bottom: 80px;
}

.page-index-platform-features__grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-index-platform-features__feature-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 30px;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index-platform-features__feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index-platform-features__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-index-platform-features__card-title {
  font-size: 1.8em;
  margin-bottom: 15px;
  color: #FFFF00;
}

.page-index-platform-features__card-description {
  font-size: 1em;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-index-platform-features__card-link {
  display: inline-block;
  color: #FFFF00;
  text-decoration: none;
  font-weight: bold;
  border-bottom: 2px solid #FFFF00;
  padding-bottom: 2px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.page-index-platform-features__card-link:hover {
  color: #ffffff;
  border-color: #ffffff;
}

/* Benefits Section */
.page-index-platform-features__benefits-section {
  padding: 80px 20px;
}

.page-index-platform-features__benefits-list {
  list-style: none;
  padding: 0;
  max-width: 900px;
  margin: 40px auto;
  text-align: left;
}

.page-index-platform-features__list-item {
  font-size: 1.15em;
  margin-bottom: 20px;
  padding-left: 30px;
  position: relative;
  color: #333333;
}

.page-index-platform-features__list-item::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: #017439;
  font-weight: bold;
}

.page-index-platform-features__cta-center {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

/* How to Start Section */
.page-index-platform-features__how-to-start {
  padding-bottom: 80px;
}

.page-index-platform-features__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 40px auto;
}

.page-index-platform-features__step-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-index-platform-features__step-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index-platform-features__step-number {
  font-size: 3em;
  font-weight: bold;
  color: #FFFF00;
  margin-bottom: 15px;
}

.page-index-platform-features__step-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: #ffffff;
}

.page-index-platform-features__step-description {
  font-size: 1em;
  margin-bottom: 25px;
  flex-grow: 1;
}

/* FAQ Section */
.page-index-platform-features__faq-section {
  padding: 80px 20px;
}

.page-index-platform-features__faq-container {
  max-width: 900px;
  margin: 40px auto;
  text-align: left;
}

.page-index-platform-features__faq-item {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #333333;
}

.page-index-platform-features__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  background-color: #ffffff;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease;
}

.page-index-platform-features__faq-question:hover {
  background-color: #f0f0f0;
}

.page-index-platform-features__faq-title {
  margin: 0;
  font-size: 1em;
  color: #333333;
}

.page-index-platform-features__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #017439;
}

.page-index-platform-features__faq-item.active .page-index-platform-features__faq-toggle {
  transform: rotate(45deg);
}

.page-index-platform-features__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 25px;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: #555555;
}

.page-index-platform-features__faq-item.active .page-index-platform-features__faq-answer {
  max-height: 1000px !important; /* Sufficiently large to show all content */
  padding: 15px 25px;
}

.page-index-platform-features__faq-answer p {
  margin-top: 0;
  margin-bottom: 1em;
  color: inherit;
}

/* Call to Action Section */
.page-index-platform-features__call-to-action {
  padding: 80px 20px;
}

.page-index-platform-features__call-to-action .page-index-platform-features__paragraph {
  margin-bottom: 40px;
  color: #f0f0f0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-index-platform-features__hero-title {
    font-size: 3em;
  }

  .page-index-platform-features__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-index-platform-features {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-index-platform-features__hero-section {
    min-height: 500px;
    padding-top: var(--header-offset, 120px) !important; /* Ensure mobile offset */
  }

  .page-index-platform-features__hero-title {
    font-size: 2.2em;
  }

  .page-index-platform-features__hero-description {
    font-size: 1.1em;
  }

  .page-index-platform-features__hero-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-index-platform-features__btn-primary,
  .page-index-platform-features__btn-secondary,
  .page-index-platform-features a[class*="button"],
  .page-index-platform-features 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-index-platform-features__cta-buttons,
  .page-index-platform-features__button-group,
  .page-index-platform-features__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column;
  }

  .page-index-platform-features__section,
  .page-index-platform-features__feature-card,
  .page-index-platform-features__step-card,
  .page-index-platform-features__faq-item {
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .page-index-platform-features img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-index-platform-features__section,
  .page-index-platform-features__card,
  .page-index-platform-features__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-index-platform-features__video-section {
    padding-top: var(--header-offset, 120px) !important; /* Consistent with common fragment */
  }

  .page-index-platform-features__grid-container,
  .page-index-platform-features__steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-index-platform-features__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-index-platform-features__faq-answer {
    padding: 0 20px;
  }

  .page-index-platform-features__faq-item.active .page-index-platform-features__faq-answer {
    padding: 15px 20px;
  }

  .page-index-platform-features__list-item {
    font-size: 1em;
  }
}

@media (max-width: 480px) {
  .page-index-platform-features__hero-title {
    font-size: 1.8em;
  }

  .page-index-platform-features__hero-description {
    font-size: 1em;
  }

  .page-index-platform-features__section-title {
    font-size: 1.8em;
  }

  .page-index-platform-features__paragraph {
    font-size: 0.95em;
  }
}