.page-download__hero-section {
  position: relative;
  padding: var(--header-offset, 120px) 20px 60px;
  color: #ffffff;
  background: linear-gradient(135deg, #26A9E0 0%, #1a7bbd 100%); /* Sử dụng màu chủ đạo */
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.page-download__hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  gap: 40px;
}

.page-download__hero-content {
  flex: 1;
  text-align: center;
}

.page-download__hero-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
}

.page-download__hero-description {
  font-size: 1.2em;
  line-height: 1.6;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

.page-download__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  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;
  font-size: 1.1em;
  transition: all 0.3s ease;
  white-space: nowrap;
  box-sizing: border-box;
}

.page-download__btn-primary {
  background-color: #EA7C07; /* Màu cam cho nút chính */
  color: #ffffff;
  border: 2px solid #EA7C07;
}

.page-download__btn-primary:hover {
  background-color: #d46f06;
  border-color: #d46f06;
}

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

.page-download__btn-secondary:hover {
  background-color: #ffffff;
  color: #26A9E0;
}

.page-download__hero-image-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 300px;
}

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

.page-download__benefits-section,
.page-download__features-section,
.page-download__cta-bottom-section {
  padding: 80px 20px;
  text-align: center;
  color: #ffffff; /* Text màu trắng trên nền tối (body) */
}

.page-download__light-bg {
  background-color: #121212; /* Giữ màu nền body */
  color: #ffffff; /* Đảm bảo chữ trắng trên nền tối */
}

.page-download__dark-bg {
  background-color: #26A9E0;
  color: #ffffff;
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
}

.page-download__section-title {
  font-size: 2.5em;
  margin-bottom: 20px;
  color: #ffffff; /* Đảm bảo chữ trắng trên nền tối */
}

.page-download__section-description {
  font-size: 1.1em;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #f0f0f0;
}

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

.page-download__benefit-card,
.page-download__feature-card {
  background: rgba(255, 255, 255, 0.08); /* Nền hơi trong suốt */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: #ffffff;
}

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

.page-download__benefit-text,
.page-download__feature-text {
  font-size: 1em;
  line-height: 1.6;
  color: #f0f0f0;
}

.page-download__feature-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-download__guide-section {
  padding: 80px 20px;
  text-align: center;
  background-color: #1a1a1a; /* Nền tối hơn cho phần hướng dẫn */
  color: #ffffff;
}

.page-download__guide-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  gap: 15px;
}

.page-download__tab-button {
  background-color: #26A9E0;
  color: #ffffff;
  border: none;
  padding: 12px 25px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.page-download__tab-button:hover {
  background-color: #1a7bbd;
  transform: translateY(-2px);
}

.page-download__tab-button--active {
  background-color: #EA7C07; /* Màu cam cho tab active */
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-download__guide-content {
  display: none;
  text-align: left;
}

.page-download__guide-content--active {
  display: block;
}

.page-download__guide-subtitle {
  font-size: 2em;
  margin-bottom: 30px;
  color: #26A9E0;
  text-align: center;
}

.page-download__guide-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-download__step-item {
  background: rgba(255, 255, 255, 0.08);
  padding: 25px;
  border-radius: 10px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  color: #f0f0f0;
}

.page-download__step-number {
  font-size: 1.8em;
  font-weight: bold;
  color: #EA7C07;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.page-download__step-text {
  font-size: 1.1em;
  line-height: 1.6;
  flex: 1;
}

.page-download__qr-code {
  max-width: 150px;
  height: auto;
  border-radius: 5px;
  margin: 20px auto 0;
  display: block;
}

.page-download__faq-section {
  padding: 80px 20px;
  background-color: #121212;
  color: #ffffff;
  text-align: center;
}

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

.page-download__faq-item {
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.05);
  transition: background-color 0.3s ease;
}

.page-download__faq-question h3 {
  font-size: 1.2em;
  color: #ffffff;
  margin: 0;
}

.page-download__faq-toggle {
  font-size: 1.8em;
  font-weight: bold;
  color: #EA7C07;
  transition: transform 0.3s ease;
  line-height: 1;
}

.page-download__faq-item.active .page-download__faq-toggle {
  transform: rotate(45deg); /* Change + to X visually */
}

.page-download__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 25px;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: #f0f0f0;
}

.page-download__faq-item.active .page-download__faq-answer {
  max-height: 1000px !important; /* Ensure it expands sufficiently */
  padding: 15px 25px;
}

.page-download__faq-answer p {
  margin: 0;
  line-height: 1.6;
}

.page-download__cta-bottom-section .page-download__btn-large {
  padding: 18px 40px;
  font-size: 1.2em;
}

/* Responsive Styles */
@media (min-width: 769px) {
  .page-download__hero-container {
    flex-direction: row;
    text-align: left;
  }

  .page-download__hero-content {
    text-align: left;
  }

  .page-download__hero-image-wrapper {
    order: 2;
  }

  .page-download__hero-title {
    font-size: 3.8em;
  }

  .page-download__guide-steps {
    grid-template-columns: repeat(auto-fit, minmax(45%, 1fr));
  }

  .page-download__qr-code {
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: var(--header-offset, 120px) 15px 40px;
  }

  .page-download__hero-title {
    font-size: 2.2em;
    margin-top: 20px;
  }

  .page-download__hero-description {
    font-size: 1em;
  }

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

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

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

  .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;
  }
  
  .page-download__container,
  .page-download__benefits-section,
  .page-download__features-section,
  .page-download__guide-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;
    padding-right: 15px;
  }

  .page-download img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__qr-code {
    margin-left: auto;
    margin-right: auto;
  }

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

  .page-download__step-number {
    margin-bottom: 15px;
  }

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

  .page-download__faq-question h3 {
    font-size: 1em;
  }

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

  .page-download__faq-item.active .page-download__faq-answer {
    padding: 10px 20px;
  }
}