/* style/download.css */

/* Base styles for page-download */
.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Light text for dark body background */
  background-color: transparent; /* Body background is handled by shared.css */
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Sections */
.page-download__hero-section,
.page-download__features-section,
.page-download__guide-section,
.page-download__benefits-section,
.page-download__faq-section,
.page-download__cta-bottom-section {
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-download__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  position: relative;
  min-height: 70vh;
}

.page-download__dark-bg {
  background-color: #0a0a0a; /* Ensure consistency with body background */
  color: #ffffff;
}

.page-download__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-download__section-title {
  font-size: 2.5em;
  margin-bottom: 30px;
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-download__hero-section .page-download__section-title {
  color: #ffffff;
}

.page-download__light-bg .page-download__section-title {
  color: #000000;
}

.page-download__text-block {
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* Hero Section Specifics */
.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 70vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

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

.page-download__hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  padding: 40px 20px;
  margin-top: -80px; /* Adjust to bring content closer to image */
  background-color: rgba(10, 10, 10, 0.85); /* Slightly transparent dark background for readability */
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-download__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
  color: #ffffff;
}

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

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

.page-download__btn-primary,
.page-download__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-download__btn-primary {
  background-color: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-download__btn-primary:hover {
  background-color: #1e87b6;
  border-color: #1e87b6;
}

.page-download__btn-secondary {
  background-color: #ffffff;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-download__btn-secondary:hover {
  background-color: #f0f0f0;
  color: #1e87b6;
  border-color: #1e87b6;
}

.page-download__btn-block {
  width: 100%;
  display: block;
  margin-top: 20px;
}

/* Features Section */
.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-download__feature-card {
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__card {
  background: #ffffff;
  color: #333333;
  border: 1px solid #e0e0e0;
}

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

.page-download__feature-icon {
  width: 200px; /* Min size 200x200 */
  height: 150px; /* Min size 200x200 */
  object-fit: contain;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__feature-description {
  font-size: 1em;
  color: #555555;
}

/* Guide Section */
.page-download__guide-tabs {
  margin-top: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  background-color: #1a1a1a;
  border-radius: 10px;
  overflow: hidden;
}

.page-download__tab-header {
  display: flex;
  justify-content: center;
  background-color: #26A9E0;
  border-bottom: 1px solid #1e87b6;
}

.page-download__tab-button {
  background: none;
  border: none;
  padding: 15px 25px;
  font-size: 1.1em;
  font-weight: bold;
  color: #ffffff;
  cursor: pointer;
  transition: background-color 0.3s ease;
  flex-grow: 1;
  max-width: 33.33%;
}

.page-download__tab-button:hover,
.page-download__tab-button--active {
  background-color: #1e87b6;
}

.page-download__tab-content {
  padding: 30px;
  text-align: left;
  color: #f0f0f0;
}

.page-download__tab-pane {
  display: none;
}

.page-download__tab-pane--active {
  display: block;
}

.page-download__tab-title {
  font-size: 1.8em;
  margin-bottom: 25px;
  color: #26A9E0;
}

.page-download__guide-list {
  list-style: decimal;
  padding-left: 20px;
  margin-bottom: 30px;
}

.page-download__guide-list li {
  margin-bottom: 15px;
  font-size: 1.05em;
}

.page-download__guide-list li strong {
  color: #ffffff;
}

.page-download__guide-image {
  width: 100%;
  height: auto;
  max-width: 600px;
  display: block;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Benefits Section */
.page-download__benefits-list {
  list-style: none;
  padding: 0;
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  text-align: left;
}

.page-download__benefits-item {
  background-color: #f8f8f8;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: flex-start;
  gap: 15px;
  color: #333333;
}

.page-download__benefit-icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  object-fit: contain;
  min-width: 200px; /* Enforce min size 200x200 */
  min-height: 200px; /* Enforce min size 200x200 */
}

.page-download__benefits-item span strong {
  color: #26A9E0;
}

/* FAQ Section */
.page-download__faq-list {
  max-width: 800px;
  margin: 50px auto 0 auto;
  text-align: left;
}

.page-download__faq-item {
  background-color: #1a1a1a;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #ffffff;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background-color: #26A9E0;
  color: #ffffff;
  font-weight: bold;
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  list-style: none; /* For details/summary */
}

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

.page-download__faq-question:hover {
  background-color: #1e87b6;
}

.page-download__faq-qtext {
  flex-grow: 1;
  font-size: 1.1em;
}

.page-download__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
  transform: rotate(45deg);
}

.page-download__faq-answer {
  padding: 20px 25px;
  background-color: #1a1a1a;
  color: #f0f0f0;
  font-size: 1em;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.page-download__faq-answer p {
  margin: 0;
  color: #f0f0f0;
}

/* CTA Bottom Section */
.page-download__cta-bottom-section .page-download__card {
  padding: 50px;
  background-color: #ffffff;
  color: #333333;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.page-download__cta-bottom-section .page-download__section-title {
  color: #26A9E0;
}

.page-download__cta-bottom-section .page-download__text-block {
  color: #555555;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-content {
    margin-top: -60px;
    padding: 30px 20px;
  }

  .page-download__section-title {
    font-size: 2em;
  }

  .page-download__description {
    font-size: 1.1em;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section,
  .page-download__features-section,
  .page-download__guide-section,
  .page-download__benefits-section,
  .page-download__faq-section,
  .page-download__cta-bottom-section {
    padding: 60px 0;
  }

  .page-download__hero-content {
    margin-top: -40px;
    padding: 20px 15px;
  }

  .page-download__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

  .page-download__description {
    font-size: 1em;
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-download__features-grid,
  .page-download__benefits-list {
    grid-template-columns: 1fr;
  }

  .page-download__feature-icon {
    min-width: 200px !important;
    min-height: 200px !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__benefit-icon {
    min-width: 200px !important;
    min-height: 200px !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__tab-button {
    font-size: 0.9em;
    padding: 12px 15px;
  }

  .page-download__tab-content {
    padding: 20px;
  }

  .page-download__guide-image {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
  }

  .page-download__cta-bottom-section .page-download__card {
    padding: 30px 20px;
  }

  /* Ensure all images are responsive */
  .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__video-section,
  .page-download__video-container,
  .page-download__video-wrapper,
  .page-download__cta-buttons,
  .page-download__button-group,
  .page-download__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-download__video-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }

  .page-download__cta-buttons {
    flex-wrap: wrap !important;
    gap: 10px;
  }

  /* Video specific mobile adaptations */
  .page-download video,
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}

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

  .page-download__tab-button {
    font-size: 0.8em;
    padding: 10px;
  }

  .page-download__tab-title {
    font-size: 1.5em;
  }

  .page-download__guide-list li {
    font-size: 0.95em;
  }

  .page-download__benefits-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}