/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-button-gradient-start: #2AD16F;
  --color-button-gradient-end: #13994A;
  --color-card-bg: #11271B;
  --color-background: #08160F;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
}

.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Mặc định cho nền tối */
  background-color: var(--color-background);
}

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

.page-download__section-title {
  font-size: 2.5em;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  line-height: 1.2;
}

.page-download__text-block {
  font-size: 1.1em;
  text-align: center;
  margin-bottom: 30px;
  color: var(--color-text-secondary);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* HERO SECTION */
.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 0;
  padding-top: 10px; /* Small top padding, body handles header offset */
  overflow: hidden;
  background: var(--color-deep-green);
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Adjust as needed */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  min-height: 200px; /* Minimum size requirement */
}

.page-download__hero-content {
  text-align: center;
  padding-bottom: 30px;
  position: relative;
  z-index: 2;
}

.page-download__main-title {
  font-size: clamp(2em, 4vw, 3.5em); /* Responsive font size for H1 */
  color: var(--color-gold);
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-download__subtitle {
  font-size: 1.25em;
  color: var(--color-text-main);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

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

.page-download__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-download__btn-primary {
  background: var(--color-button-gradient-start);
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: #ffffff;
  border: 2px solid var(--color-button-gradient-start);
}

.page-download__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.page-download__btn-secondary {
  background: transparent;
  color: var(--color-button-gradient-start);
  border: 2px solid var(--color-button-gradient-start);
}

.page-download__btn-secondary:hover {
  background: var(--color-button-gradient-start);
  color: #ffffff;
  transform: translateY(-2px);
}

/* WHY DOWNLOAD SECTION */
.page-download__why-download-section {
  background-color: #ffffff; /* Light background */
  color: #333333; /* Dark text for light background */
  padding: 80px 0;
}

.page-download__why-download-section .page-download__section-title {
  color: var(--color-primary);
}

.page-download__why-download-section .page-download__text-block {
  color: #555555;
}

.page-download__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

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

.page-download__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__feature-icon {
  width: 100%; /* Ensure images are responsive within card */
  height: auto;
  max-width: 150px;
  min-width: 200px; /* Minimum size requirement */
  min-height: 200px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  object-fit: contain;
}

.page-download__feature-title {
  font-size: 1.5em;
  color: var(--color-gold);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__feature-item p {
  color: var(--color-text-secondary);
  font-size: 1em;
}

/* DOWNLOAD GUIDE SECTION (DARK) */
.page-download__dark-section {
  background-color: var(--color-background);
  color: var(--color-text-main);
  padding: 80px 0;
}

.page-download__dark-section .page-download__section-title {
  color: var(--color-gold);
}

.page-download__dark-section .page-download__text-block {
  color: var(--color-text-secondary);
}

.page-download__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.page-download__step-item {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.page-download__step-title {
  font-size: 1.6em;
  color: var(--color-gold);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__step-item p {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.page-download__step-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  min-width: 200px; /* Minimum size requirement */
  min-height: 200px;
  object-fit: contain;
}

/* DOWNLOAD GUIDE SECTION (LIGHT) */
.page-download__light-bg {
  background-color: #ffffff;
  color: #333333;
  padding: 80px 0;
}

.page-download__light-bg .page-download__section-title {
  color: var(--color-primary);
}

.page-download__light-bg .page-download__text-block {
  color: #555555;
}

.page-download__light-bg .page-download__step-item {
  background-color: #f9f9f9;
  color: #333333;
  border: 1px solid #e0e0e0;
}

.page-download__light-bg .page-download__step-title {
  color: var(--color-primary);
}

.page-download__light-bg .page-download__step-item p {
  color: #555555;
}

/* FEATURES SECTION */
.page-download__features-section {
  background-color: var(--color-deep-green);
  padding: 80px 0;
}

.page-download__features-section .page-download__section-title {
  color: var(--color-gold);
}

.page-download__features-section .page-download__text-block {
  color: var(--color-text-secondary);
}

.page-download__feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-download__list-item {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.page-download__list-title {
  font-size: 1.5em;
  color: var(--color-gold);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__list-item p {
  color: var(--color-text-secondary);
}

/* FAQ SECTION */
.page-download__faq-section {
  padding: 80px 0;
  background-color: #f9f9f9;
  color: #333333;
}

.page-download__faq-section .page-download__section-title {
  color: var(--color-primary);
}

.page-download__faq-list {
  max-width: 900px;
  margin: 50px auto 0 auto;
}

.page-download__faq-item {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--color-primary);
  cursor: pointer;
  background-color: #ffffff;
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-download__faq-item[open] .page-download__faq-question {
  background-color: #e6ffe6;
}

.page-download__faq-qtext {
  flex-grow: 1;
  pointer-events: none; /* Prevent summary click from being blocked by span */
}

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--color-primary);
  pointer-events: none; /* Prevent summary click from being blocked by span */
}

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1.1em;
  color: #555555;
  background-color: #fdfdfd;
}

/* CTA BOTTOM SECTION */
.page-download__cta-bottom-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--color-deep-green);
}

.page-download__cta-bottom-section .page-download__section-title {
  color: var(--color-gold);
}

.page-download__cta-bottom-section .page-download__text-block {
  color: var(--color-text-secondary);
  margin-bottom: 50px;
}


/* RESPONSIVE STYLES */
@media (max-width: 1024px) {
  .page-download__section-title {
    font-size: 2em;
  }
  .page-download__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }
  .page-download__subtitle {
    font-size: 1.1em;
  }
  .page-download__feature-grid, .page-download__guide-steps, .page-download__feature-list {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

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

  .page-download__hero-section {
    padding: 40px 0;
    padding-top: 10px !important;
  }

  .page-download__hero-image-wrapper {
    max-height: 400px;
  }

  .page-download__hero-image {
    min-width: 200px !important;
    min-height: 200px !important;
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    margin-bottom: 15px;
  }

  .page-download__subtitle {
    font-size: 1em;
    margin-bottom: 30px;
  }

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

  .page-download__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__why-download-section, 
  .page-download__download-guide-section, 
  .page-download__features-section, 
  .page-download__faq-section, 
  .page-download__cta-bottom-section {
    padding: 50px 0;
  }

  .page-download__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-download__text-block {
    font-size: 0.95em;
    margin-bottom: 20px;
  }

  .page-download__feature-grid, .page-download__guide-steps, .page-download__feature-list {
    grid-template-columns: 1fr;
    gap: 25px;
  }

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

  .page-download__feature-title, .page-download__step-title {
    font-size: 1.3em;
  }

  .page-download__faq-question {
    padding: 15px 20px;
    font-size: 1.1em;
  }

  .page-download__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 1em;
  }
}

/* Ensure all images are responsive */
.page-download img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-download__hero-image-wrapper,
.page-download__feature-item,
.page-download__step-item,
.page-download__list-item {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Override for images in mobile */
@media (max-width: 768px) {
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__hero-image-wrapper,
  .page-download__feature-item,
  .page-download__step-item,
  .page-download__list-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-download__hero-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }
}