/* style/download.css */

:root {
  --page-download-bg: #08160F;
  --page-download-card-bg: #11271B;
  --page-download-text-main: #F2FFF6;
  --page-download-text-secondary: #A7D9B8;
  --page-download-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-download-button-text: #ffffff;
  --page-download-border: #2E7A4E;
  --page-download-glow: #57E38D;
  --page-download-gold: #F2C14E;
  --page-download-divider: #1E3A2A;
  --page-download-deep-green: #0A4B2C;
}

.page-download {
  background-color: var(--page-download-bg);
  color: var(--page-download-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-download__section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--page-download-text-main);
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.2;
}

.page-download__description {
  font-size: 18px;
  color: var(--page-download-text-secondary);
  text-align: center;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__card {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--page-download-text-main);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__card-title {
  font-size: 24px;
  color: var(--page-download-text-main);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__cta-button--primary {
  background: var(--page-download-button-gradient);
  color: var(--page-download-button-text);
  border: none;
}

.page-download__cta-button--primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 15px var(--page-download-glow);
}

.page-download__cta-button--secondary {
  background-color: transparent;
  color: var(--page-download-glow);
  border: 2px solid var(--page-download-glow);
}

.page-download__cta-button--secondary:hover {
  background-color: rgba(87, 227, 141, 0.1);
  color: var(--page-download-glow);
}

.page-download__cta-button--small {
  padding: 12px 25px;
  font-size: 16px;
}

.page-download__cta-button--large {
  padding: 18px 35px;
  font-size: 20px;
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 60px;
  padding-top: 10px; /* body handles header offset */
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 40px;
}

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

.page-download__hero-content {
  max-width: 900px;
  text-align: center;
  padding: 0 20px;
}

.page-download__main-title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  color: var(--page-download-text-main);
  margin-bottom: 20px;
  line-height: 1.1;
}

.page-download__hero-content .page-download__description {
  font-size: 20px;
  margin-bottom: 40px;
}

.page-download__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

/* Benefits Section */
.page-download__benefits-section {
  padding: 80px 0;
  border-top: 1px solid var(--page-download-divider);
  border-bottom: 1px solid var(--page-download-divider);
}

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

/* Guide Section */
.page-download__guide-section {
  padding: 80px 0;
}

.page-download__guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.page-download__guide-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-download__guide-list {
  list-style: none;
  padding: 0;
  margin-bottom: 25px;
}

.page-download__guide-list li {
  background-color: var(--page-download-deep-green);
  padding: 12px 15px;
  margin-bottom: 10px;
  border-radius: 6px;
  font-size: 16px;
  color: var(--page-download-text-main);
}

.page-download__guide-list li b {
  color: var(--page-download-glow);
}

/* Features Section */
.page-download__features-section {
  padding: 80px 0;
  border-top: 1px solid var(--page-download-divider);
  border-bottom: 1px solid var(--page-download-divider);
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  text-align: center;
}

.page-download__feature-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin: 0 auto 20px;
  display: block;
  object-fit: contain;
}

/* Video Section */
.page-download__video-section {
  padding: 80px 0;
  text-align: center;
}

.page-download__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background-color: #000;
  border-radius: 12px;
  margin-top: 40px;
}

.page-download__video-wrapper .page-download__video-link {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.page-download__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 12px;
  object-fit: cover;
  cursor: pointer;
}

/* FAQ Section */
.page-download__faq-section {
  padding: 80px 0;
  border-top: 1px solid var(--page-download-divider);
}

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

.page-download__faq-item {
  margin-bottom: 20px;
  border-color: var(--page-download-border);
  background-color: var(--page-download-card-bg);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 20px;
  font-weight: 600;
  color: var(--page-download-text-main);
  cursor: pointer;
  border-bottom: 1px solid var(--page-download-divider);
  list-style: none;
}

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

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

.page-download__faq-toggle {
  font-size: 24px;
  line-height: 1;
  color: var(--page-download-glow);
  margin-left: 15px;
}

.page-download__faq-answer {
  padding: 15px 25px 25px;
  font-size: 16px;
  color: var(--page-download-text-secondary);
  line-height: 1.7;
}

.page-download__faq-item[open] .page-download__faq-question {
  border-bottom: 1px solid var(--page-download-divider);
}

/* CTA Bottom Section */
.page-download__cta-bottom-section {
  padding: 80px 0;
  text-align: center;
  border-top: 1px solid var(--page-download-divider);
}

.page-download__cta-bottom-section .page-download__cta-buttons {
  margin-top: 40px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-content {
    padding: 0 40px;
  }
  .page-download__benefits-grid,
  .page-download__guide-grid,
  .page-download__features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-download__container {
    padding: 0 15px;
  }

  .page-download__section-title {
    font-size: clamp(24px, 6vw, 36px);
    margin-bottom: 30px;
  }

  .page-download__description {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .page-download__hero-section {
    padding-bottom: 40px;
  }

  .page-download__main-title {
    font-size: clamp(30px, 7vw, 48px);
  }

  .page-download__hero-content .page-download__description {
    font-size: 18px;
    margin-bottom: 30px;
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    max-width: 350px;
  }

  .page-download__cta-button {
    width: 100% !important;
    max-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__benefits-section,
  .page-download__guide-section,
  .page-download__features-section,
  .page-download__video-section,
  .page-download__faq-section,
  .page-download__cta-bottom-section {
    padding: 40px 0;
  }

  .page-download__benefits-grid,
  .page-download__guide-grid,
  .page-download__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__guide-list li {
    font-size: 15px;
    padding: 10px 12px;
  }

  .page-download__faq-question {
    font-size: 18px;
    padding: 15px 20px;
  }

  .page-download__faq-answer {
    font-size: 15px;
    padding: 10px 20px 20px;
  }

  .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__video-section,
  .page-download__video-container,
  .page-download__video-wrapper {
    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 */
  }
}

@media (max-width: 480px) {
  .page-download__hero-content {
    padding: 0 15px;
  }
  .page-download__main-title {
    font-size: clamp(28px, 8vw, 40px);
  }
  .page-download__card-title {
    font-size: 20px;
  }
}