/* style/download.css */

/* Cấu hình màu sắc */
:root {
  --page-download-primary-color: #017439;
  --page-download-secondary-color: #FFFFFF;
  --page-download-text-color-dark-bg: #FFFFFF;
  --page-download-text-color-light-bg: #333333;
  --page-download-btn-register: #C30808;
  --page-download-btn-login: #C30808;
  --page-download-bg-color: #1a1a2e; /* Kế thừa từ body background */
  --page-download-font-login-register: #FFFF00;
}

.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-download-text-color-dark-bg); /* Body background is dark */
  background-color: var(--page-download-bg-color);
  padding-top: var(--header-offset, 120px); /* Đảm bảo không bị header che */
}

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

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

.page-download__section-description {
  font-size: 1.1em;
  color: var(--page-download-text-color-dark-bg);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  height: 70vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 20px;
  box-sizing: border-box;
}

.page-download__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.page-download__hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2;
}

.page-download__hero-content {
  position: relative;
  z-index: 3;
  color: var(--page-download-text-color-dark-bg);
  max-width: 900px;
}

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

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

.page-download__hero-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: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

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

.page-download__btn-primary:hover {
  background-color: #005c2d;
  border-color: #005c2d;
}

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

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

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

.page-download__features-section,
.page-download__how-to-download-section,
.page-download__app-overview-section,
.page-download__security-section,
.page-download__promotions-section,
.page-download__faq-section,
.page-download__cta-section {
  padding: 80px 0;
  background-color: #21213e; /* Slightly lighter dark background for contrast */
  margin-bottom: 20px;
  border-radius: 10px;
}

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

.page-download__feature-card {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--page-download-text-color-dark-bg);
}

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

.page-download__card-text {
  font-size: 1em;
  color: var(--page-download-text-color-dark-bg);
}

.page-download__download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 50px;
}

.page-download__download-card {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--page-download-text-color-dark-bg);
}

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

.page-download__download-steps li {
  margin-bottom: 15px;
  font-size: 1em;
  line-height: 1.5;
  position: relative;
  padding-left: 30px;
}

.page-download__download-steps li::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  position: absolute;
  left: 0;
  top: 0;
  background-color: var(--page-download-primary-color);
  color: var(--page-download-secondary-color);
  border-radius: 50%;
  width: 25px;
  height: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9em;
}

.page-download__step-highlight {
  color: var(--page-download-primary-color);
}

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

.page-download__qr-code-section {
  text-align: center;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 10px;
}

.page-download__qr-code-title {
  font-size: 2em;
  color: var(--page-download-primary-color);
  margin-bottom: 25px;
}

.page-download__qr-code-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-download__qr-code-image {
  max-width: 400px;
  height: auto;
  border: 5px solid var(--page-download-secondary-color);
  border-radius: 10px;
  margin-bottom: 20px;
}

.page-download__qr-code-text {
  font-size: 1.1em;
  color: var(--page-download-text-color-dark-bg);
  max-width: 600px;
}

.page-download__app-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-download__app-feature-item {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 25px;
  border-radius: 10px;
  color: var(--page-download-text-color-dark-bg);
}

.page-download__item-title {
  font-size: 1.5em;
  color: var(--page-download-primary-color);
  margin-bottom: 10px;
}

.page-download__item-text {
  font-size: 0.95em;
}

.page-download__app-overview-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 40px auto 0 auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-download__security-content {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-download__security-image {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-download__security-list {
  flex: 2;
  list-style: none;
  padding: 0;
  color: var(--page-download-text-color-dark-bg);
}

.page-download__security-list li {
  margin-bottom: 15px;
  font-size: 1.1em;
  position: relative;
  padding-left: 30px;
}

.page-download__security-list li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--page-download-primary-color);
  font-weight: bold;
}

.page-download__list-highlight {
  color: var(--page-download-primary-color);
}

.page-download__security-conclusion {
  text-align: center;
  font-size: 1.1em;
  margin-top: 40px;
  color: var(--page-download-text-color-dark-bg);
}

.page-download__promotions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-download__promotion-card {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--page-download-text-color-dark-bg);
}

.page-download__promotions-cta-text {
  text-align: center;
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--page-download-text-color-dark-bg);
}

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

.page-download__faq-item {
  background-color: rgba(255, 255, 255, 0.08);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  color: var(--page-download-text-color-dark-bg);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.15);
  transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.25);
}

.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;
  font-size: 1em;
  color: var(--page-download-text-color-dark-bg);
}

.page-download__faq-item.active .page-download__faq-answer {
  max-height: 1000px !important; /* Đủ lớn để chứa mọi nội dung */
  padding: 15px 25px;
}

.page-download__faq-answer p {
  margin: 0;
  color: var(--page-download-text-color-dark-bg);
}

.page-download__faq-answer a {
  color: var(--page-download-primary-color);
  text-decoration: none;
}

.page-download__faq-answer a:hover {
  text-decoration: underline;
}

.page-download__cta-section {
  text-align: center;
  background-color: var(--page-download-primary-color);
  color: var(--page-download-secondary-color);
  padding: 80px 0;
}

.page-download__cta-section .page-download__section-title,
.page-download__cta-section .page-download__section-description {
  color: var(--page-download-secondary-color);
}

.page-download__cta-image {
  max-width: 600px;
  height: auto;
  display: block;
  margin: 50px auto 0 auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 3em;
  }
  .page-download__hero-description {
    font-size: 1.1em;
  }
  .page-download__section-title {
    font-size: 2em;
  }
  .page-download__download-grid {
    grid-template-columns: 1fr;
  }
  .page-download__security-content {
    flex-direction: column;
    text-align: center;
  }
  .page-download__security-image {
    max-width: 100%;
  }
  .page-download__security-list li {
    text-align: left;
  }
}

@media (max-width: 768px) {
  .page-download {
    font-size: 16px;
    line-height: 1.6;
    padding-top: var(--header-offset, 120px) !important; /* Ensure mobile header offset */
  }
  .page-download__container {
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__hero-section {
    height: auto;
    min-height: 400px;
    padding: 60px 15px;
  }
  .page-download__hero-title {
    font-size: 2.2em;
  }
  .page-download__hero-description {
    font-size: 1em;
  }
  .page-download__hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__features-section,
  .page-download__how-to-download-section,
  .page-download__app-overview-section,
  .page-download__security-section,
  .page-download__promotions-section,
  .page-download__faq-section,
  .page-download__cta-section {
    padding: 40px 0;
  }
  .page-download__section-title {
    font-size: 1.8em;
  }
  .page-download__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }
  .page-download__qr-code-section {
    padding: 30px;
  }
  .page-download__qr-code-title {
    font-size: 1.6em;
  }
  .page-download__qr-code-image {
    max-width: 250px;
    height: auto;
  }
  .page-download__app-overview-grid {
    grid-template-columns: 1fr;
  }
  .page-download__security-list li {
    padding-left: 25px;
  }
  .page-download__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }
  .page-download__faq-answer {
    padding: 0 20px;
  }
  .page-download__faq-item.active .page-download__faq-answer {
    padding: 10px 20px;
  }
  /* Mobile image responsiveness */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__hero-section,
  .page-download__features-section,
  .page-download__how-to-download-section,
  .page-download__app-overview-section,
  .page-download__security-section,
  .page-download__promotions-section,
  .page-download__faq-section,
  .page-download__cta-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__video-section {
    padding-top: var(--header-offset, 120px) !important; /* With !important */
  }
}