/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top cho main hoặc các section đầu tiên */

:root {
  --page-download-primary-color: #11A84E;
  --page-download-secondary-color: #22C768;
  --page-download-background-color: #08160F;
  --page-download-card-bg: #11271B;
  --page-download-text-main: #F2FFF6;
  --page-download-text-secondary: #A7D9B8;
  --page-download-border-color: #2E7A4E;
  --page-download-glow-color: #57E38D;
  --page-download-gold-color: #F2C14E;
  --page-download-divider-color: #1E3A2A;
  --page-download-deep-green-color: #0A4B2C;
  --page-download-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-download {
  font-family: 'Arial', sans-serif;
  color: var(--page-download-text-main); /* Deep green background, so light text */
  background-color: var(--page-download-background-color);
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.page-download__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4); /* Slightly darken image for text readability */
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
  background: rgba(0, 0, 0, 0.4); /* Semi-transparent background for text */
  border-radius: 10px;
}

.page-download__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--page-download-text-main);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-download__description {
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  color: var(--page-download-text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  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-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
}

.page-download__btn-primary {
  background: var(--page-download-button-gradient);
  color: var(--page-download-text-main);
  border: 2px solid transparent;
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(var(--page-download-glow-color), 0.4);
}

.page-download__btn-secondary {
  background: var(--page-download-card-bg);
  color: var(--page-download-primary-color);
  border: 2px solid var(--page-download-primary-color);
}

.page-download__btn-secondary:hover {
  transform: translateY(-3px);
  background: var(--page-download-primary-color);
  color: var(--page-download-text-main);
  box-shadow: 0 5px 15px rgba(var(--page-download-primary-color), 0.4);
}

.page-download__section {
  padding: 80px 20px;
  text-align: center;
}

.page-download__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--page-download-gold-color);
  margin-bottom: 40px;
  font-weight: 700;
}

.page-download__text-block {
  font-size: 1.1rem;
  color: var(--page-download-text-secondary);
  max-width: 800px;
  margin: 0 auto 50px auto;
  line-height: 1.6;
}

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

.page-download__why-app {
  background-color: var(--page-download-deep-green-color);
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-item {
  background: var(--page-download-card-bg);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__feature-icon {
  width: 200px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
}

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

.page-download__feature-text {
  font-size: 1rem;
  color: var(--page-download-text-secondary);
  line-height: 1.5;
}

.page-download__how-to-download {
  background-color: var(--page-download-background-color);
}

.page-download__tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  border-bottom: 2px solid var(--page-download-divider-color);
}

.page-download__tab-header {
  padding: 15px 30px;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--page-download-text-secondary);
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.page-download__tab-header:hover {
  color: var(--page-download-gold-color);
}

.page-download__tab-header.active {
  color: var(--page-download-gold-color);
  border-bottom-color: var(--page-download-gold-color);
}

.page-download__tab-content {
  display: none;
  text-align: left;
  padding-top: 30px;
}

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

.page-download__tab-subtitle {
  font-size: 1.8rem;
  color: var(--page-download-gold-color);
  margin-bottom: 30px;
  font-weight: 600;
}

.page-download__steps-list {
  list-style: none;
  padding: 0;
  margin-bottom: 40px;
}

.page-download__steps-list li {
  background: var(--page-download-card-bg);
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: flex-start;
  color: var(--page-download-text-main);
  font-size: 1.1rem;
  line-height: 1.6;
}

.page-download__steps-list li strong {
  color: var(--page-download-gold-color);
  margin-right: 10px;
  flex-shrink: 0;
}

.page-download__guide-image {
  max-width: 800px;
  width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-download__download-button {
  margin-top: 20px;
  display: block;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.page-download__app-features {
  background-color: var(--page-download-deep-green-color);
}

.page-download__features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-card {
  background: var(--page-download-card-bg);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__feature-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-download__feature-card-title {
  font-size: 1.4rem;
  color: var(--page-download-gold-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-download__feature-card-title a {
  color: inherit;
  text-decoration: none;
}

.page-download__feature-card-title a:hover {
  text-decoration: underline;
}

.page-download__feature-card-text {
  font-size: 1rem;
  color: var(--page-download-text-secondary);
  line-height: 1.5;
}

.page-download__security {
  background-color: var(--page-download-background-color);
}

.page-download__security-list {
  list-style: none;
  padding: 0;
  margin: 40px auto;
  max-width: 800px;
  text-align: left;
}

.page-download__security-list li {
  background: var(--page-download-card-bg);
  padding: 15px 20px;
  margin-bottom: 10px;
  border-radius: 8px;
  color: var(--page-download-text-main);
  font-size: 1.1rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
}

.page-download__security-list li::before {
  content: '✅';
  margin-right: 15px;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.page-download__security-image {
  max-width: 800px;
  width: 100%;
  height: auto;
  display: block;
  margin: 40px auto 0 auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-download__promotions {
  background-color: var(--page-download-deep-green-color);
}

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

.page-download__promo-card {
  background: var(--page-download-card-bg);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__promo-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-download__promo-title {
  font-size: 1.4rem;
  color: var(--page-download-gold-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-download__promo-title a {
  color: inherit;
  text-decoration: none;
}

.page-download__promo-title a:hover {
  text-decoration: underline;
}

.page-download__promo-text {
  font-size: 1rem;
  color: var(--page-download-text-secondary);
  line-height: 1.5;
}

.page-download__cta-center {
  margin-top: 50px;
}

.page-download__faq {
  background-color: var(--page-download-background-color);
}

.page-download__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
  text-align: left;
}

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

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--page-download-text-main);
  transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
  background-color: var(--page-download-deep-green-color);
}

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

.page-download__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-download-text-main);
}

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

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

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: var(--page-download-text-secondary);
  line-height: 1.6;
}

.page-download__cta-final {
  background-color: var(--page-download-deep-green-color);
  padding-bottom: 80px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-content {
    padding: 15px;
  }

  .page-download__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

  .page-download__description {
    font-size: clamp(0.9rem, 1.8vw, 1.2rem);
  }

  .page-download__btn-primary,
  .page-download__btn-secondary {
    padding: 12px 25px;
    font-size: 1rem;
  }

  .page-download__section {
    padding: 60px 20px;
  }

  .page-download__section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  }
}

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

  .page-download__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

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

  .page-download__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-download__description {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    margin-bottom: 20px;
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding-left: 15px;
    padding-right: 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;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-download__section {
    padding: 40px 15px;
  }

  .page-download__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Prevent horizontal scroll from content */
  }

  .page-download__section-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
    margin-bottom: 30px;
  }

  .page-download__text-block {
    font-size: 1rem;
    margin-bottom: 30px;
  }

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

  .page-download__feature-item,
  .page-download__feature-card,
  .page-download__promo-card {
    padding: 20px;
  }

  .page-download__feature-icon,
  .page-download__feature-card-image,
  .page-download__promo-image,
  .page-download__guide-image,
  .page-download__security-image {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    width: 100% !important;
    border-radius: 8px !important;
  }

  .page-download__tabs {
    flex-direction: column;
    gap: 10px;
  }

  .page-download__tab-header {
    padding: 10px 15px;
    font-size: 1.1rem;
    border-bottom: none;
    border-radius: 5px;
    background-color: var(--page-download-card-bg);
  }

  .page-download__tab-header.active {
    border-bottom: none;
    background-color: var(--page-download-gold-color);
    color: var(--page-download-background-color);
  }

  .page-download__tab-subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
  }

  .page-download__steps-list li {
    font-size: 1rem;
    padding: 15px;
  }

  .page-download__security-list,
  .page-download__faq-list {
    margin-left: 0;
    margin-right: 0;
  }

  .page-download__security-list li,
  .page-download__faq-question {
    font-size: 1.05rem;
    padding: 15px 20px;
  }

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

  .page-download__cta-center {
    margin-top: 30px;
  }
}