.page-download {
  color: #ffffff; /* Dark body background #1a1a2e, so use light text */
  background-color: transparent; /* Main content background is transparent to show body background */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: var(--header-offset, 120px); /* Ensure content is not hidden by fixed header */
  background: linear-gradient(135deg, rgba(1, 116, 57, 0.8), rgba(26, 26, 46, 0.8)), url('[GALLERY:bg:1920x1080:kèo_bong88,abstract,gradient,dark]') no-repeat center center/cover;
  min-height: 600px;
}

.page-download__hero-content {
  max-width: 900px;
  z-index: 1;
}

.page-download__main-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  color: #FFFFFF;
  font-weight: bold;
}

.page-download__description-text {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #f0f0f0;
}

.page-download__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
}

.page-download__download-btn {
  display: inline-flex;
  align-items: center;
  background-color: #017439; /* Primary color */
  color: #FFFFFF;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease;
  border: 2px solid #017439;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-download__download-btn:hover {
  background-color: #005a2e;
  border-color: #005a2e;
}

.page-download__btn-icon {
  width: 32px;
  height: 32px;
  margin-right: 10px;
  vertical-align: middle;
}

.page-download__hero-image-wrapper {
  margin-top: 40px;
  max-width: 80%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
}

.page-download__section-title {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 40px;
  color: #017439; /* Use brand color for titles */
  font-weight: bold;
}

.page-download__section-intro {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
  color: #f0f0f0;
}

.page-download__dark-section .page-download__section-title {
  color: #FFFFFF;
}

.page-download__dark-section .page-download__section-intro {
  color: #f0f0f0;
}

.page-download__why-app-section {
  padding: 80px 20px;
  background-color: #1a1a2e;
}

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

.page-download__feature-card {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-download__feature-card:hover {
  transform: translateY(-10px);
}

.page-download__feature-image {
  width: 100%;
  height: auto;
  max-width: 400px;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-download__feature-title {
  font-size: 1.8em;
  color: #017439;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__feature-description {
  font-size: 1em;
  color: #cccccc;
}

.page-download__how-to-section {
  padding: 80px 20px;
  background-color: #FFFFFF;
  color: #333333;
}

.page-download__how-to-section .page-download__section-title {
  color: #017439;
}

.page-download__guide-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 50px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-download__guide-platform {
  flex: 1 1 45%;
  min-width: 300px;
  background-color: #f9f9f9;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__platform-title {
  font-size: 2em;
  color: #017439;
  margin-bottom: 25px;
  text-align: center;
  font-weight: bold;
}

.page-download__step-list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
}

.page-download__step-item {
  margin-bottom: 20px;
}

.page-download__step-heading {
  font-size: 1.3em;
  color: #333333;
  margin-bottom: 10px;
  font-weight: bold;
}

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

.page-download__text-link {
  color: #017439;
  text-decoration: underline;
}

.page-download__text-link:hover {
  color: #005a2e;
}

.page-download__guide-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-download__key-features-section {
  padding: 80px 20px;
  background-color: #017439;
  text-align: center;
}

.page-download__key-features-section .page-download__section-title {
  color: #FFFFFF;
}

.page-download__key-features-section .page-download__section-intro {
  color: #f0f0f0;
}

.page-download__features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-download__feature-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: #FFFFFF;
}

.page-download__item-title {
  font-size: 1.8em;
  color: #FFFFFF;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__item-image {
  width: 100%;
  height: auto;
  max-width: 600px;
  border-radius: 8px;
  margin-top: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-download__system-req-section {
  padding: 80px 20px;
  background-color: #f0f0f0;
  color: #333333;
}

.page-download__system-req-section .page-download__section-title {
  color: #017439;
}

.page-download__system-req-section .page-download__section-intro {
  color: #555555;
}

.page-download__requirements-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.page-download__req-card {
  flex: 1 1 45%;
  min-width: 300px;
  background-color: #FFFFFF;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__req-title {
  font-size: 1.8em;
  color: #017439;
  margin-bottom: 20px;
  font-weight: bold;
  text-align: center;
}

.page-download__req-list {
  list-style: disc;
  padding-left: 20px;
}

.page-download__req-list li {
  margin-bottom: 10px;
  font-size: 1em;
  color: #555555;
}

.page-download__troubleshooting-section {
  padding: 80px 20px;
  background-color: #1a1a2e;
  text-align: center;
}

.page-download__troubleshooting-section .page-download__section-title {
  color: #FFFFFF;
}

.page-download__troubleshooting-section .page-download__section-intro {
  color: #f0f0f0;
}

.page-download__trouble-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-download__trouble-card {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 10px;
  text-align: left;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: #FFFFFF;
}

.page-download__trouble-title {
  font-size: 1.5em;
  color: #017439;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__trouble-list {
  list-style: disc;
  padding-left: 20px;
}

.page-download__trouble-list li {
  margin-bottom: 8px;
  font-size: 0.95em;
  color: #cccccc;
}

.page-download__faq-section {
  padding: 80px 20px;
  background-color: #f9f9f9;
  color: #333333;
}

.page-download__faq-section .page-download__section-title {
  color: #017439;
}

.page-download__faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.page-download__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: #333333;
  cursor: pointer;
  background-color: #f0f0f0;
  border-bottom: 1px solid #e0e0e0;
  transition: background-color 0.3s ease;
  list-style: none;
}

.page-download__faq-question::-webkit-details-marker {
  display: none;
}

.page-download__faq-question:hover {
  background-color: #e6e6e6;
}

.page-download__faq-toggle {
  font-size: 1.5em;
  font-weight: normal;
  color: #017439;
  margin-left: 15px;
}

.page-download__faq-item[open] .page-download__faq-question {
  background-color: #e6e6e6;
  border-bottom: 1px solid #d0d0d0;
}

.page-download__faq-item[open] .page-download__faq-toggle {
  content: '−';
}

.page-download__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  color: #555555;
  background-color: #FFFFFF;
}

.page-download__cta-bottom-section {
  padding: 80px 20px;
  background-color: #017439;
  text-align: center;
}

.page-download__cta-bottom-section .page-download__section-title {
  color: #FFFFFF;
}

.page-download__cta-bottom-section .page-download__description-text {
  color: #f0f0f0;
  max-width: 800px;
  margin: 0 auto 40px;
}

.page-download__large-btn {
  padding: 18px 40px;
  font-size: 1.2em;
  background-color: #C30808; /* Use specific color for CTA */
  border-color: #C30808;
}

.page-download__large-btn:hover {
  background-color: #a00606;
  border-color: #a00606;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__main-title {
    font-size: 2.8em;
  }
  .page-download__section-title {
    font-size: 2em;
  }
  .page-download__features-grid, .page-download__features-list, .page-download__guide-steps, .page-download__requirements-grid, .page-download__trouble-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-download__guide-platform, .page-download__req-card {
    flex: 1 1 100%;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 40px 15px;
    padding-top: var(--header-offset, 120px) !important; /* Mobile header offset */
  }
  .page-download__main-title {
    font-size: 2.2em;
  }
  .page-download__description-text {
    font-size: 1em;
  }
  .page-download__section-title {
    font-size: 1.8em;
  }
  .page-download__download-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-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-download__hero-image-wrapper {
    max-width: 100%;
  }
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__hero-section,
  .page-download__why-app-section,
  .page-download__how-to-section,
  .page-download__key-features-section,
  .page-download__system-req-section,
  .page-download__troubleshooting-section,
  .page-download__faq-section,
  .page-download__cta-bottom-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__feature-card, .page-download__feature-item, .page-download__guide-platform, .page-download__req-card, .page-download__trouble-card {
    min-width: unset;
    flex: 1 1 100%;
  }
  .page-download__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }
  .page-download__faq-answer {
    padding: 15px 20px;
  }
  .page-download__large-btn {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: 1.8em;
  }
  .page-download__section-title {
    font-size: 1.5em;
  }
  .page-download__download-btn {
    font-size: 1em;
    padding: 12px 20px;
  }
  .page-download__feature-title, .page-download__platform-title, .page-download__req-title, .page-download__trouble-title, .page-download__item-title {
    font-size: 1.4em;
  }
  .page-download__step-heading {
    font-size: 1.1em;
  }
  .page-download__large-btn {
    font-size: 1.1em;
    padding: 15px 30px;
  }
}