/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --login-button-color: #EA7C07;
  --dark-background: #000000;
  --light-text: #ffffff;
  --dark-text: #333333;
  --border-color: #e0e0e0;
}

.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--light-text); /* Mặc định cho nền body tối */
  background-color: var(--dark-background);
}

.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 20px 60px 20px; /* Nhỏ ở trên, lớn ở dưới */
  text-align: center;
  overflow: hidden;
}

.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;
  object-fit: cover;
  border-radius: 10px;
}

.page-download__hero-content {
  position: relative; /* Không absolute để đảm bảo trên ảnh */
  z-index: 10;
  max-width: 900px;
  padding: 40px 20px;
  background: rgba(0, 0, 0, 0.7); /* Nền tối nhẹ cho văn bản */
  border-radius: 10px;
  margin-top: -80px; /* Kéo lên một chút để tạo hiệu ứng */
  backdrop-filter: blur(5px);
}

.page-download__main-title {
  font-size: clamp(2em, 4vw, 3.2em); /* Giới hạn kích thước chữ H1 */
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-download__description {
  font-size: 1.1em;
  color: var(--secondary-color);
  margin-bottom: 30px;
}

.page-download__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  box-sizing: border-box;
}

.page-download__btn-primary,
.page-download__btn-secondary,
.page-download__btn-promo {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  text-align: center;
}

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

.page-download__btn-primary:hover {
  background-color: darken(var(--primary-color), 10%);
  border-color: darken(var(--primary-color), 10%);
}

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

.page-download__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

.page-download__btn-promo {
  background-color: var(--login-button-color);
  color: var(--secondary-color);
  border: 2px solid var(--login-button-color);
}

.page-download__btn-promo:hover {
  background-color: darken(var(--login-button-color), 10%);
  border-color: darken(var(--login-button-color), 10%);
}

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

.page-download__dark-bg {
  background-color: var(--dark-background);
  color: var(--light-text);
}

.page-download__light-bg {
  background-color: var(--secondary-color);
  color: var(--dark-text);
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-download__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.page-download__section-description {
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 40px auto;
  line-height: 1.7;
}

/* Why Download Section */
.page-download__why-download .page-download__section-description {
  color: var(--dark-text);
}

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

.page-download__feature-card {
  background-color: var(--secondary-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  color: var(--dark-text);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__feature-icon {
  width: 100%;
  max-width: 250px; /* Reduced from 400 to fit card better */
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

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

.page-download__feature-text {
  font-size: 1em;
  line-height: 1.6;
}

/* Download Guide Section */
.page-download__download-guide .page-download__section-description {
  color: var(--light-text);
}

.page-download__guide-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 50px;
  justify-content: center;
}

.page-download__guide-platform {
  flex: 1 1 45%; /* Allow flex-item to grow/shrink */
  min-width: 300px;
  background-color: rgba(255, 255, 255, 0.05); /* Slightly transparent white */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  text-align: left;
  color: var(--light-text);
}

.page-download__platform-title {
  font-size: 2em;
  color: var(--primary-color);
  margin-bottom: 30px;
  text-align: center;
}

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

.page-download__step-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
}

.page-download__step-number {
  background-color: var(--primary-color);
  color: var(--secondary-color);
  border-radius: 50%;
  width: 35px;
  height: 35px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  font-size: 1.2em;
  margin-right: 15px;
  flex-shrink: 0;
}

.page-download__step-content h4 {
  font-size: 1.3em;
  color: var(--secondary-color);
  margin-top: 0;
  margin-bottom: 5px;
}

.page-download__step-content p {
  font-size: 0.95em;
  color: rgba(255, 255, 255, 0.8);
}

.page-download__platform-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  display: block;
  margin: 30px auto 0 auto;
  border-radius: 10px;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

.page-download__cta-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-download__cta-section p {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--light-text);
}

/* App Features Section */
.page-download__app-features .page-download__section-description {
  color: var(--dark-text);
}

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

.page-download__feature-item {
  display: flex;
  align-items: flex-start;
  background-color: var(--secondary-color);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  text-align: left;
  color: var(--dark-text);
}

.page-download__feature-icon-small {
  width: 80px; /* Min 200px rule applies to content images, not icons for features */
  height: 80px;
  margin-right: 20px;
  flex-shrink: 0;
  object-fit: contain;
  min-width: 200px; /* Enforcing minimum size for all images */
  min-height: 200px; /* Enforcing minimum size for all images */
}

.page-download__feature-details h3 {
  font-size: 1.4em;
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 10px;
}

.page-download__feature-details p {
  font-size: 1em;
  line-height: 1.6;
}

/* Promotions Section */
.page-download__promotions .page-download__section-description {
  color: var(--light-text);
}

.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-color: rgba(255, 255, 255, 0.05);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  color: var(--light-text);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__promo-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

.page-download__promo-title {
  font-size: 1.5em;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.page-download__promo-text {
  font-size: 1em;
  line-height: 1.6;
  margin-bottom: 25px;
}

/* FAQ Section */
.page-download__faq-section .page-download__section-description {
  color: var(--dark-text);
}

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

.page-download__faq-item {
  background-color: var(--secondary-color);
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  color: var(--dark-text);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  cursor: pointer;
  color: var(--primary-color);
  list-style: none; /* Remove default marker */
  outline: none; /* Remove outline on focus */
}

.page-download__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for webkit */
}

.page-download__faq-toggle {
  font-size: 1.5em;
  font-weight: 700;
  margin-left: 15px;
  color: var(--primary-color);
}

.page-download__faq-item[open] .page-download__faq-toggle {
  content: '−'; /* Change to minus when open */
}

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  line-height: 1.7;
  color: var(--dark-text);
}

/* Call to Action Section */
.page-download__call-to-action {
  padding-bottom: 100px;
}

.page-download__call-to-action .page-download__section-description {
  color: var(--light-text);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-content {
    margin-top: -60px;
    padding: 30px 15px;
  }

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

  .page-download__section-title {
    font-size: clamp(1.8em, 3.8vw, 2.5em);
  }
}

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

  .page-download__hero-section {
    padding: 10px 10px 40px 10px;
  }

  .page-download__hero-content {
    margin-top: -40px;
    padding: 25px 10px;
  }

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

  .page-download__description,
  .page-download__section-description {
    font-size: 1em;
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

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

  .page-download__section {
    padding: 60px 10px;
  }

  .page-download__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__feature-card,
  .page-download__promo-card {
    padding: 25px 15px;
  }

  .page-download__feature-icon,
  .page-download__platform-image,
  .page-download__promo-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__feature-icon-small {
    max-width: 100% !important;
    width: 100px !important; /* Allow icons to be smaller than 200px if they are icons for features */
    height: 100px !important;
    min-width: unset !important; /* Override global min-width for true icons */
    min-height: unset !important; /* Override global min-height for true icons */
    object-fit: contain !important;
  }

  .page-download__guide-platform {
    flex: 1 1 100%;
  }

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

  .page-download__feature-icon-small {
    margin-right: 0;
    margin-bottom: 15px;
  }

  .page-download__faq-question {
    padding: 15px 20px;
    font-size: 1.1em;
  }

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

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

  .page-download__video-container,
  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .page-download__hero-content {
    padding: 20px 10px;
  }

  .page-download__main-title {
    font-size: clamp(1.5em, 7vw, 2em);
  }

  .page-download__section-title {
    font-size: clamp(1.6em, 5vw, 2em);
  }

  .page-download__features-grid,
  .page-download__promo-grid {
    gap: 20px;
  }

  .page-download__feature-card,
  .page-download__promo-card {
    padding: 20px 10px;
  }

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

  .page-download__step-number {
    margin-right: 0;
    margin-bottom: 10px;
  }

  .page-download__step-content {
    width: 100%;
  }

  .page-download__step-content h4 {
    font-size: 1.2em;
  }
}