.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main-color, #F2FFF6); /* Default to light text as body background is dark */
  background-color: var(--background-color, #08160F); /* Ensure body background is dark */
}

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

/* Sections */
.page-download__hero-section,
.page-download__why-download-section,
.page-download__how-to-download-section,
.page-download__app-games-section,
.page-download__faq-section,
.page-download__cta-section {
  padding: 80px 0;
  text-align: center;
}

.page-download__dark-bg {
  background-color: var(--background-color, #08160F);
  color: var(--text-main-color, #F2FFF6);
}

.page-download__light-bg {
  background-color: var(--card-bg-color, #11271B);
  color: var(--text-main-color, #F2FFF6);
}

/* Hero Section */
.page-download__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  padding-bottom: 80px;
}

.page-download__hero-content-wrapper {
  max-width: 800px;
  margin-bottom: 40px;
}

.page-download__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-main-color, #F2FFF6);
}

.page-download__description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--text-secondary-color, #A7D9B8);
}

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

.page-download__hero-image-container {
  width: 100%;
  max-width: 800px;
  margin-top: 40px;
}

.page-download__hero-image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* General Titles & Descriptions */
.page-download__section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--text-main-color, #F2FFF6);
}

.page-download__light-bg .page-download__section-title,
.page-download__light-bg .page-download__section-description {
  color: var(--text-main-color, #F2FFF6); /* Ensure light text on light-bg (card-bg-color) */
}

.page-download__section-description {
  font-size: 1rem;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--text-secondary-color, #A7D9B8);
}

/* Buttons */
.page-download__cta-button,
.page-download__btn-primary,
.page-download__btn-secondary,
.page-download a[class*="button"],
.page-download a[class*="btn"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff; /* Button text always white */
  border: none;
  box-shadow: 0 5px 15px rgba(17, 168, 78, 0.4);
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(17, 168, 78, 0.6);
}

.page-download__btn-secondary {
  background: var(--card-bg-color, #11271B);
  color: var(--text-main-color, #F2FFF6); /* Text Main for secondary button */
  border: 2px solid var(--border-color, #2E7A4E);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-download__btn-secondary:hover {
  background: var(--deep-green-color, #0A4B2C);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__small-button {
  padding: 10px 20px;
  font-size: 0.9rem;
}

/* Why Download Section */
.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-download__feature-card {
  background-color: var(--card-bg-color, #11271B);
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  color: var(--text-main-color, #F2FFF6);
  height: 100%; /* Ensure cards have equal height */
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.page-download__feature-icon {
  width: 100%;
  height: auto;
  max-width: 150px;
  margin: 0 auto 20px;
  border-radius: 10px;
  object-fit: cover; /* Ensure image covers the area */
}

.page-download__feature-title {
  font-size: 1.4rem;
  font-weight: bold;
  margin-bottom: 10px;
  color: var(--text-main-color, #F2FFF6);
}

.page-download__feature-text {
  font-size: 0.95rem;
  color: var(--text-secondary-color, #A7D9B8);
}

/* How to Download Section */
.page-download__download-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
  margin-top: 50px;
  text-align: left;
}

.page-download__download-platform {
  counter-reset: step-counter;
}

.page-download__platform-title {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 25px;
  color: var(--text-main-color, #F2FFF6);
}

.page-download__qr-code {
  max-width: 250px;
  height: auto;
  display: block;
  margin: 0 auto 30px;
  border: 5px solid #ffffff;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

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

.page-download__step-list li {
  font-size: 1.05rem;
  margin-bottom: 15px;
  position: relative;
  padding-left: 30px;
  color: var(--text-secondary-color, #A7D9B8);
}

.page-download__step-list li::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  position: absolute;
  left: 0;
  top: 0;
  background-color: var(--primary-color, #11A84E);
  color: #ffffff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: bold;
}

.page-download__download-button {
  margin-top: 20px;
  width: auto;
  min-width: 200px;
}

/* App Games Section */
.page-download__game-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-download__game-card {
  background-color: var(--card-bg-color, #11271B);
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-align: left;
  color: var(--text-main-color, #F2FFF6);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-download__game-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 15px;
}

.page-download__game-title {
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 10px;
  color: var(--text-main-color, #F2FFF6);
}

.page-download__game-text {
  font-size: 0.95rem;
  color: var(--text-secondary-color, #A7D9B8);
  margin-bottom: 20px;
  flex-grow: 1;
}

/* FAQ Section */
.page-download__faq-list {
  max-width: 900px;
  margin: 50px auto 0;
  text-align: left;
}

.page-download__faq-item {
  background-color: var(--card-bg-color, #11271B);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main-color, #F2FFF6);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--text-main-color, #F2FFF6);
  background-color: var(--deep-green-color, #0A4B2C);
  border-bottom: 1px solid var(--divider-color, #1E3A2A);
}

.page-download__faq-question:hover {
  background-color: var(--primary-color, #11A84E);
}

.page-download__faq-qtext {
  flex-grow: 1;
}

.page-download__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  width: 30px;
  text-align: center;
}

.page-download__faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  color: var(--text-secondary-color, #A7D9B8);
}

.page-download__faq-answer p {
  padding-bottom: 20px;
  margin: 0;
}

.page-download__faq-item[open] .page-download__faq-answer {
  max-height: 500px; /* Adjust as needed */
  padding-top: 15px;
  padding-bottom: 20px;
}

.page-download__faq-item[open] .page-download__faq-question {
  border-bottom: none;
}

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

/* CTA Section */
.page-download__cta-content {
  max-width: 900px;
}

.page-download__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-section {
    flex-direction: column;
  }

  .page-download__hero-image-container {
    margin-top: 40px;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section,
  .page-download__why-download-section,
  .page-download__how-to-download-section,
  .page-download__app-games-section,
  .page-download__faq-section,
  .page-download__cta-section {
    padding: 60px 0;
  }

  .page-download__container {
    padding: 0 15px;
  }

  .page-download__hero-content-wrapper {
    margin-bottom: 30px;
  }

  .page-download__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

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

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

  .page-download__cta-button,
  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download a[class*="button"],
  .page-download 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-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;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column;
  }

  .page-download__section-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
  }

  .page-download__section-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  .page-download__features-grid,
  .page-download__download-steps-grid,
  .page-download__game-categories-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-download__feature-card,
  .page-download__game-card {
    padding: 25px;
  }

  .page-download__qr-code {
    max-width: 200px;
    margin-bottom: 20px;
  }

  .page-download__step-list li {
    font-size: 1rem;
    margin-bottom: 10px;
  }

  .page-download__game-image {
    height: 180px;
  }

  .page-download__faq-question {
    font-size: 1rem;
    padding: 15px;
  }

  .page-download__faq-answer {
    font-size: 0.95rem;
  }

  /* Image responsiveness */
  .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 {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

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

/* Ensure color contrast for elements on dark background */
.page-download__dark-bg .page-download__section-description,
.page-download__dark-bg .page-download__step-list li,
.page-download__dark-bg .page-download__faq-answer p {
  color: var(--text-secondary-color, #A7D9B8);
}

.page-download__dark-bg .page-download__main-title,
.page-download__dark-bg .page-download__section-title,
.page-download__dark-bg .page-download__platform-title,
.page-download__dark-bg .page-download__feature-title,
.page-download__dark-bg .page-download__game-title,
.page-download__dark-bg .page-download__faq-question {
  color: var(--text-main-color, #F2FFF6);
}

/* Ensure color contrast for elements on light background (Card BG) */
.page-download__light-bg .page-download__section-description,
.page-download__light-bg .page-download__feature-text,
.page-download__light-bg .page-download__game-text {
  color: var(--text-secondary-color, #A7D9B8);
}

.page-download__light-bg .page-download__section-title,
.page-download__light-bg .page-download__feature-title,
.page-download__light-bg .page-download__game-title {
  color: var(--text-main-color, #F2FFF6);
}

/* Details summary reset */
.page-download__faq-item summary {
  list-style: none;
}
.page-download__faq-item summary::-webkit-details-marker {
  display: none;
}