.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--Text-Main);
  background-color: var(--Background);
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* body đã có padding-top: var(--header-offset) */
  text-align: center;
  overflow: hidden;
  background: var(--Deep-Green);
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%; /* Đảm bảo hình ảnh không tràn */
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  margin-bottom: 30px;
}

.page-download__hero-content {
  max-width: 900px;
  margin: 0 auto;
  color: var(--Text-Main);
}

.page-download__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: bold;
  color: var(--Gold);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download__description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: var(--Text-Secondary);
}

.page-download__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
}

.page-download__btn-secondary {
  background: var(--Card-BG);
  color: var(--Glow);
  border: 2px solid var(--Glow);
  box-shadow: 0 4px 15px rgba(87, 227, 141, 0.2);
}

.page-download__btn-secondary:hover {
  transform: translateY(-3px);
  background: var(--Glow);
  color: var(--Deep-Green);
  box-shadow: 0 6px 20px rgba(87, 227, 141, 0.4);
}

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

.page-download__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
  color: var(--Gold);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.page-download__section-description {
  font-size: 1.05rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: var(--Text-Secondary);
}

.page-download__light-bg {
  background-color: var(--Background);
  color: var(--Text-Main);
}

.page-download__dark-bg {
  background-color: var(--Deep-Green);
  color: var(--Text-Main);
}

.page-download__why-download-section {
  padding: 80px 0;
}

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

.page-download__feature-card {
  background: var(--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;
  color: var(--Text-Main);
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
}

.page-download__feature-icon {
  width: 100%;
  max-width: 250px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 8px;
}

.page-download__feature-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--Glow);
  margin-bottom: 15px;
}

.page-download__feature-text {
  font-size: 1rem;
  color: var(--Text-Secondary);
}

.page-download__guide-section {
  padding: 80px 0;
}

.page-download__guide-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
}

.page-download__tab-item {
  flex: 1;
  min-width: 300px;
  background: var(--Card-BG);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--Text-Main);
}

.page-download__tab-title {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--Glow);
  margin-bottom: 25px;
  text-align: center;
}

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

.page-download__step-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.page-download__step-number {
  background: var(--Glow);
  color: var(--Deep-Green);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-right: 15px;
}

.page-download__step-text {
  font-size: 1rem;
  color: var(--Text-Secondary);
  margin: 0;
}

.page-download__guide-image {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-download__troubleshooting-section {
  background: var(--Deep-Green);
  border: 1px solid var(--Divider);
  padding: 30px;
  border-radius: 12px;
  margin-top: 50px;
  text-align: center;
}

.page-download__troubleshooting-title {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--Gold);
  margin-bottom: 25px;
}

.page-download__troubleshooting-list {
  list-style: none;
  padding: 0;
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.page-download__troubleshooting-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 15px 20px;
  border-radius: 8px;
  margin-bottom: 15px;
  font-size: 1rem;
  color: var(--Text-Secondary);
  border-left: 4px solid var(--Glow);
}

.page-download__troubleshooting-item strong {
  color: var(--Text-Main);
}

.page-download__features-section {
  padding: 80px 0;
}

.page-download__assurance-section {
  padding: 80px 0;
}

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

.page-download__assurance-item {
  background: var(--Card-BG);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--Text-Main);
}

.page-download__assurance-title {
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--Glow);
  margin-bottom: 15px;
}

.page-download__assurance-text {
  font-size: 1rem;
  color: var(--Text-Secondary);
  margin-bottom: 20px;
}

.page-download__text-link {
  color: var(--Glow);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-download__text-link:hover {
  color: var(--Gold);
  text-decoration: underline;
}

.page-download__faq-section {
  padding: 80px 0;
}

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

.page-download__faq-item {
  background: var(--Card-BG);
  margin-bottom: 15px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  color: var(--Text-Main);
  border: 1px solid var(--Divider);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.15rem;
  font-weight: bold;
  color: var(--Text-Main);
  cursor: pointer;
  background: var(--Deep-Green);
  border-bottom: 1px solid var(--Divider);
}

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

.page-download__faq-qtext {
  flex-grow: 1;
  color: var(--Text-Main);
}

.page-download__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--Glow);
}

.page-download__faq-answer {
  padding: 20px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--Text-Secondary);
  background: var(--Card-BG);
}

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

/* Hide default details arrow */
.page-download__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-download__faq-item summary {
  list-style: none;
}

.page-download__conclusion-section {
  padding: 80px 0;
  text-align: center;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-download__hero-image {
    width: 90%;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-download__hero-image {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    margin-bottom: 20px;
  }

  .page-download__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-download__description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

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

  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__container,
  .page-download__why-download-section,
  .page-download__guide-section,
  .page-download__features-section,
  .page-download__assurance-section,
  .page-download__faq-section,
  .page-download__conclusion-section {
    padding: 30px 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 15px;
  }

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

  .page-download__feature-grid,
  .page-download__guide-tabs,
  .page-download__assurance-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__feature-card,
  .page-download__tab-item,
  .page-download__assurance-item,
  .page-download__faq-item {
    padding: 20px;
  }

  .page-download__feature-icon,
  .page-download__guide-image {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
  }

  .page-download__tab-title,
  .page-download__troubleshooting-title,
  .page-download__assurance-title {
    font-size: 1.5rem;
  }

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

  .page-download__faq-toggle {
    font-size: 1.5rem;
  }

  .page-download__faq-answer {
    font-size: 0.95rem;
    padding: 15px;
  }
}

@media (max-width: 480px) {
  .page-download__hero-section {
    padding: 30px 10px;
    padding-top: 10px !important;
  }

  .page-download__main-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .page-download__description {
    font-size: 0.9rem;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary {
    padding: 10px 15px;
    font-size: 0.9rem;
  }

  .page-download__section-title {
    font-size: clamp(1.3rem, 5vw, 1.8rem);
  }

  .page-download__section-description {
    font-size: 0.9rem;
  }

  .page-download__feature-title,
  .page-download__tab-title,
  .page-download__troubleshooting-title,
  .page-download__assurance-title {
    font-size: 1.3rem;
  }

  .page-download__feature-text,
  .page-download__step-text,
  .page-download__troubleshooting-item,
  .page-download__assurance-text,
  .page-download__faq-answer {
    font-size: 0.9rem;
  }

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