.page-download {
  background-color: #08160F; /* Nền chính của body */
  color: #F2FFF6; /* Màu chữ chính cho nền tối */
  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;
  padding: 10px 20px 60px; /* body đã có padding-top, chỉ cần 10px */
  text-align: center;
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao của hình ảnh hero */
  overflow: hidden;
  margin-bottom: 30px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
}

.page-download__hero-content {
  max-width: 900px;
  margin: 0 auto;
  z-index: 1;
}

.page-download__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: #F2FFF6;
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download__description {
  font-size: 1.15rem;
  color: #A7D9B8;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #F2FFF6;
  border: 2px solid transparent;
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(42, 209, 111, 0.4);
}

.page-download__btn-secondary {
  background: none;
  color: #2AD16F;
  border: 2px solid #2AD16F;
}

.page-download__btn-secondary:hover {
  background: #2AD16F;
  color: #F2FFF6;
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(42, 209, 111, 0.2);
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-download__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #F2FFF6;
  text-align: center;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 15px;
}

.page-download__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #11A84E, #22C768);
  border-radius: 2px;
}

.page-download__section-description {
  font-size: 1.05rem;
  color: #A7D9B8;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px;
}

.page-download__light-bg {
  background-color: #0A4B2C; /* Deep Green for light sections */
  color: #F2FFF6;
}

.page-download__dark-section {
  background-color: #08160F;
  color: #F2FFF6;
}

.page-download__benefits-grid,
.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__card {
  background-color: #11271B; /* Card BG */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #F2FFF6; /* Text Main */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-download__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-download__card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #F2FFF6;
  margin-bottom: 15px;
}

.page-download__card-text {
  font-size: 1rem;
  color: #A7D9B8; /* Text Secondary */
}

.page-download__link {
  color: #2AD16F;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-download__link:hover {
  color: #57E38D;
  text-decoration: underline;
}

.page-download__highlight-text {
  color: #F2C14E; /* Gold */
  font-weight: 600;
}

.page-download__download-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: flex-start;
  margin-top: 40px;
}

.page-download__download-item {
  background-color: #11271B;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-download__qr-code {
  width: 250px;
  height: 250px;
  display: block;
  margin: 0 auto 25px;
  border: 5px solid #2E7A4E;
  border-radius: 8px;
  object-fit: contain;
}

.page-download__btn-small {
  padding: 10px 20px;
  font-size: 1rem;
}

.page-download__download-steps {
  background-color: #11271B;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

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

.page-download__step-list li {
  background-color: #0A4B2C;
  padding: 15px 20px;
  margin-bottom: 10px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  font-size: 1rem;
  color: #F2FFF6;
  border-left: 5px solid #2AD16F;
}

.page-download__step-list li::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  background-color: #2AD16F;
  color: #08160F;
  font-weight: 700;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  flex-shrink: 0;
}

.page-download__download-steps ol {
  counter-reset: step-counter;
}

.page-download__feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: #11271B;
  padding: 20px;
}

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

.page-download__feature-content {
  padding: 10px;
}

/* Adjust for alternating image/content layout */
.page-download__features-grid .page-download__feature-card:nth-child(even) {
  flex-direction: column-reverse; /* for mobile */
}

@media (min-width: 769px) {
  .page-download__features-grid .page-download__feature-card {
    flex-direction: row;
    text-align: left;
  }
  .page-download__features-grid .page-download__feature-card:nth-child(even) {
    flex-direction: row-reverse;
  }
  .page-download__feature-image {
    width: 50%;
    margin-bottom: 0;
    margin-right: 20px;
  }
  .page-download__features-grid .page-download__feature-card:nth-child(even) .page-download__feature-image {
    margin-right: 0;
    margin-left: 20px;
  }
  .page-download__feature-content {
    width: 50%;
  }
}

.page-download__faq-list {
  margin-top: 40px;
}

.page-download__faq-item {
  background-color: #11271B;
  border: 1px solid #2E7A4E;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-download__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #F2FFF6;
  cursor: pointer;
  list-style: none;
  outline: none;
}

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

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

.page-download__faq-toggle {
  font-size: 1.5rem;
  color: #2AD16F;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

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

.page-download__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: #A7D9B8;
  line-height: 1.8;
}

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

/* Mobile Responsive Adaptations */
@media (max-width: 768px) {
  .page-download {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-download__container,
  .page-download__hero-section,
  .page-download__benefits-section,
  .page-download__how-to-section,
  .page-download__features-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 !important;
    padding-right: 15px !important;
    overflow: hidden !important;
  }

  .page-download__hero-image,
  .page-download__qr-code,
  .page-download__feature-image,
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    object-fit: cover !important;
  }

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

  .page-download__main-title {
    font-size: 2.2rem; /* Adjusted for mobile */
  }

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

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

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

  .page-download__section-title {
    font-size: 1.8rem;
  }

  .page-download__section-description {
    font-size: 0.95rem;
  }

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

  .page-download__card {
    padding: 20px;
  }

  .page-download__card-title {
    font-size: 1.3rem;
  }

  .page-download__download-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .page-download__qr-code {
    width: 200px;
    height: 200px;
  }

  .page-download__faq-item summary {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-download__faq-answer {
    padding: 0 20px 15px;
  }
}