/* style/download.css */
/* body đã padding-top: var(--header-offset); trang này không được viết lại padding-top cho body hoặc các phần tử đầu trang */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --text-dark: #333333;
  --text-light: #ffffff;
  --login-color: #EA7C07;
  --background-light: #FFFFFF;
  --background-dark: #000000; /* Assuming body background is dark from shared.css */
}

.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-light); /* Default to light text as body is assumed dark */
}

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

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

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

.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Nhỏ gọn, không sử dụng var(--header-offset) */
  padding-bottom: 60px;
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a7bbd 100%);
  color: var(--text-light);
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 1200px;
  margin-bottom: 30px;
  box-sizing: border-box;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-download__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-download__main-title {
  font-size: clamp(2em, 4vw, 3.2em);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--text-light);
}

.page-download__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__section-title {
  font-size: 2.5em;
  font-weight: 700;
  margin-bottom: 40px;
  line-height: 1.3;
}

.page-download__light-bg .page-download__section-title {
  color: var(--text-dark);
}

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

.page-download__sub-title {
  font-size: 1.8em;
  font-weight: 600;
  margin-top: 30px;
  margin-bottom: 20px;
  color: inherit;
}

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

.page-download__content-area {
  text-align: left;
  font-size: 1.05em;
  line-height: 1.7;
  max-width: 900px;
  margin: 0 auto;
}

.page-download__content-area p {
  margin-bottom: 1em;
}

.page-download__content-area--center {
  text-align: center;
}

.page-download__image-content {
  width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  min-width: 200px;
  min-height: 200px;
}

.page-download__image-centered {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__cta-buttons--center {
  justify-content: center;
}

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-download__btn-primary:hover {
  background: darken(var(--login-color), 10%);
  border-color: darken(var(--login-color), 10%);
  transform: translateY(-2px);
}

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

.page-download__btn-secondary:hover {
  background: var(--primary-color);
  color: var(--secondary-color);
  transform: translateY(-2px);
}

.page-download__btn-block {
  width: 100%;
  margin-top: 20px;
}

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

/* Download Steps */
.page-download__download-steps {
  list-style: none;
  padding: 0;
  margin: 30px auto;
  max-width: 800px;
  counter-reset: step-counter;
  text-align: left;
}

.page-download__download-steps li {
  counter-increment: step-counter;
  margin-bottom: 20px;
  padding-left: 40px;
  position: relative;
  font-size: 1.05em;
}

.page-download__download-steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  background: var(--primary-color);
  color: var(--text-light);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9em;
}

.page-download__download-steps li strong {
  color: var(--primary-color);
}

.page-download__dark-bg .page-download__download-steps li strong {
  color: var(--login-color);
}

/* FAQ Section */
.page-download__faq-section {
  padding: 60px 20px;
  background: var(--background-light);
  color: var(--text-dark);
}

.page-download__faq-item {
  background: var(--secondary-color);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: 600;
  cursor: pointer;
  background: #f9f9f9;
  color: var(--text-dark);
  border-bottom: 1px solid #e0e0e0;
}

.page-download__faq-item[open] .page-download__faq-question {
  border-bottom: none;
}

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

.page-download__faq-toggle {
  font-size: 1.5em;
  font-weight: 300;
  line-height: 1;
  margin-left: 15px;
  color: var(--primary-color);
}

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

.page-download__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1em;
  line-height: 1.6;
  color: #555555;
  text-align: left;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__main-title {
    font-size: clamp(1.8em, 5vw, 2.8em);
  }
  .page-download__section-title {
    font-size: 2em;
  }
  .page-download__sub-title {
    font-size: 1.5em;
  }
}

@media (max-width: 768px) {
  .page-download__section {
    padding: 40px 15px;
  }
  .page-download__hero-section {
    padding-bottom: 40px;
  }
  .page-download__hero-image-wrapper {
    margin-bottom: 20px;
  }
  .page-download__main-title {
    font-size: clamp(1.5em, 6vw, 2.5em) !important;
    margin-bottom: 15px;
  }
  .page-download__description {
    font-size: 1em;
    margin-bottom: 20px;
  }
  .page-download__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-download__sub-title {
    font-size: 1.3em;
    margin-top: 20px;
    margin-bottom: 15px;
  }
  .page-download__container,
  .page-download__content-area {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-download__content-area p {
    font-size: 0.95em;
  }
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 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;
    font-size: 1em;
  }
  .page-download__btn-large {
    padding: 15px 30px;
    font-size: 1.1em;
  }
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: unset !important;
    min-height: unset !important;
  }
  .page-download__hero-section, .page-download__video-section {
    padding-top: 10px !important; /* body đã xử lý padding-top từ header */
  }
  .page-download__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }
  .page-download__faq-answer {
    padding: 10px 20px 15px;
    font-size: 0.95em;
  }
}

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: clamp(1.2em, 7vw, 2em) !important;
  }
  .page-download__section-title {
    font-size: 1.5em;
  }
  .page-download__sub-title {
    font-size: 1.2em;
  }
  .page-download__description {
    font-size: 0.9em;
  }
}