/* style/download.css */

/* Biến CSS tùy chỉnh cho trang tải xuống */
:root {
  --page-download-primary-color: #017439;
  --page-download-secondary-color: #FFFFFF;
  --page-download-text-dark: #333333;
  --page-download-text-light: #ffffff;
  --page-download-button-register-login-bg: #C30808;
  --page-download-button-register-login-text: #FFFFFF; /* Đã điều chỉnh để đảm bảo độ tương phản WCAG AA */
}

/* Base styles for the page content */
.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--page-download-text-dark); /* Default text color for light backgrounds */
  background-color: var(--page-download-secondary-color); /* Default white background */
}

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

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

.page-download__section-title {
  font-size: 2.5em;
  margin-bottom: 20px;
  color: var(--page-download-primary-color);
  font-weight: bold;
}

.page-download__section-intro {
  font-size: 1.1em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__dark-bg .page-download__section-title {
  color: var(--page-download-text-light);
}

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

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  padding-top: var(--header-offset, 120px); /* Fixed header spacing */
  overflow: hidden;
  text-align: center;
}

.page-download__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.page-download__hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1;
}

.page-download__hero-content {
  position: relative;
  z-index: 2;
  color: var(--page-download-text-light);
  max-width: 900px;
}

.page-download__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-download__hero-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  line-height: 1.5;
}

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

/* Buttons */
.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-download__btn-primary {
  background-color: var(--page-download-button-register-login-bg);
  color: var(--page-download-button-register-login-text);
  border: 2px solid var(--page-download-button-register-login-bg);
}

.page-download__btn-primary:hover {
  background-color: #a30606;
  border-color: #a30606;
}

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

.page-download__btn-secondary:hover {
  background-color: var(--page-download-button-register-login-bg);
  color: var(--page-download-button-register-login-text);
}

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

.page-download__grid--two-columns {
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
}

/* Cards */
.page-download__card {
  background-color: var(--page-download-secondary-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: var(--page-download-text-dark);
}

.page-download__card--transparent {
  background-color: transparent;
  box-shadow: none;
  color: var(--page-download-text-light);
}

.page-download__card--transparent .page-download__card-title {
  color: var(--page-download-text-light);
}

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

.page-download__card-title {
  font-size: 1.8em;
  margin-bottom: 15px;
  color: var(--page-download-primary-color);
  font-weight: bold;
}

.page-download__card--transparent .page-download__card-title {
  color: var(--page-download-text-light);
}

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

/* Step lists */
.page-download__step-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 30px;
}

.page-download__step-list .page-download__list-item {
  margin-bottom: 25px;
  text-align: left;
}

.page-download__step-list .page-download__list-item h4 {
  font-size: 1.3em;
  color: var(--page-download-text-light);
  margin-bottom: 8px;
}

.page-download__step-list .page-download__list-item p {
  font-size: 1em;
  line-height: 1.5;
  color: var(--page-download-text-light);
}

.page-download__subtitle {
  font-size: 2em;
  margin-top: 60px;
  margin-bottom: 20px;
  color: var(--page-download-text-light);
}

.page-download__requirements-list {
  list-style: disc;
  padding-left: 20px;
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
  color: var(--page-download-text-light);
}

.page-download__requirements-list .page-download__list-item {
  margin-bottom: 10px;
}

.page-download__login-cta {
  margin-top: 50px;
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Feature List */
.page-download__feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
  text-align: left;
}

.page-download__feature-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 12px;
  color: var(--page-download-text-light);
}

.page-download__feature-heading {
  font-size: 1.6em;
  margin-bottom: 15px;
  color: var(--page-download-text-light);
  font-weight: bold;
}

/* FAQ Section */
.page-download__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-download__faq-item {
  background-color: var(--page-download-secondary-color);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--page-download-text-dark);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  background-color: #f9f9f9;
  transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
  background-color: #f0f0f0;
}

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

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

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

.page-download__faq-item.active .page-download__faq-answer {
  max-height: 1000px !important; /* Sufficiently large to show content */
  padding: 15px 25px;
}

.page-download__faq-answer p {
  margin-bottom: 0;
  font-size: 1em;
  line-height: 1.6;
}

/* CTA Section */
.page-download__cta-section {
  padding: 80px 0;
  background-color: var(--page-download-primary-color);
  color: var(--page-download-text-light);
}

.page-download__cta-content {
  max-width: 900px;
}

.page-download__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 3em;
  }

  .page-download__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-download__container {
    padding: 0 15px !important;
  }

  .page-download__hero-section {
    min-height: 500px;
    padding-top: var(--header-offset, 120px) !important;
  }

  .page-download__hero-title {
    font-size: 2.5em;
  }

  .page-download__hero-description {
    font-size: 1.1em;
  }

  .page-download__section {
    padding: 60px 0;
  }

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

  .page-download__section-intro {
    font-size: 1em;
  }

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

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

  .page-download__hero-buttons,
  .page-download__login-cta,
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-download__card-image {
    height: 180px;
  }

  .page-download__card-title {
    font-size: 1.5em;
  }

  .page-download__subtitle {
    font-size: 1.8em;
  }

  .page-download__step-list .page-download__list-item h4 {
    font-size: 1.2em;
  }

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

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

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

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

  /* Image and Video responsiveness */
  .page-download img,
  .page-download video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__video-section,
  .page-download__video-container,
  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-download__cta-buttons,
  .page-download__button-group,
  .page-download__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-download__video-section {
    padding-top: var(--header-offset, 120px) !important; /* Ensure mobile header spacing */
  }

  .page-download__btn-primary--full-width {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .page-download__hero-title {
    font-size: 2em;
  }

  .page-download__section-title {
    font-size: 1.6em;
  }

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

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