/* style/download.css */
/* body đã padding-top: var(--header-offset); nên các section đầu tiên chỉ cần padding-top nhỏ */

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

.page-download {
  color: var(--page-download-text-main);
  background-color: var(--page-download-bg-dark); /* Đảm bảo màu nền chính */
}

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

.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 0;
  padding-top: 10px; /* Đảm bảo không bị che bởi header và không lặp lại header-offset */
  background-color: var(--page-download-bg-dark);
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 40px; /* Khoảng cách giữa ảnh và nội dung */
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-download__hero-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  line-height: 1.2;
  color: var(--page-download-text-main);
  margin-bottom: 20px;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
}

.page-download__hero-description {
  font-size: 1.1em;
  line-height: 1.6;
  color: var(--page-download-text-secondary);
  margin-bottom: 30px;
}

.page-download__btn-primary {
  display: inline-block;
  padding: 15px 30px;
  background: var(--page-download-btn-gradient);
  color: var(--page-download-text-main);
  font-size: 1.1em;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(34, 199, 104, 0.4);
  border: none;
  cursor: pointer;
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(34, 199, 104, 0.6);
}

.page-download__video-section {
  padding: 40px 0;
  background-color: var(--page-download-bg-dark);
  padding-top: 10px; /* Small padding, body handles --header-offset */
}

.page-download__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  margin-top: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-download__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  cursor: pointer;
}

.page-download__section {
  padding: 60px 0;
  background-color: var(--page-download-bg-dark);
}

.page-download__dark-section {
  background-color: var(--page-download-card-bg);
}

.page-download__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  font-weight: 700;
  color: var(--page-download-text-main);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-download__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--page-download-primary);
  border-radius: 2px;
}

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

.page-download__feature-card {
  background-color: var(--page-download-deep-green);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid var(--page-download-border);
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
}

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

.page-download__feature-text {
  font-size: 1em;
  line-height: 1.6;
  color: var(--page-download-text-secondary);
}

.page-download__download-guide {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  justify-content: center;
  margin-top: 30px;
}

.page-download__guide-steps {
  flex: 1;
  min-width: 300px;
  max-width: 600px;
}

.page-download__step-item {
  background-color: var(--page-download-card-bg);
  padding: 25px;
  border-radius: 10px;
  margin-bottom: 20px;
  border-left: 5px solid var(--page-download-primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download__step-title {
  font-size: 1.3em;
  color: var(--page-download-text-main);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-download__step-description {
  font-size: 0.95em;
  line-height: 1.6;
  color: var(--page-download-text-secondary);
}

.page-download__qr-code-wrapper {
  flex: 1;
  min-width: 300px;
  max-width: 400px;
  text-align: center;
  background-color: var(--page-download-card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--page-download-border);
}

.page-download__qr-code {
  width: 100%;
  height: auto;
  display: block;
  max-width: 300px; /* Adjusted for visual appeal within wrapper */
  margin: 0 auto;
  border-radius: 8px;
}

.page-download__app-features-image-wrapper {
  margin-top: 50px;
  text-align: center;
}

.page-download__app-features-image {
  width: 100%;
  height: auto;
  max-width: 800px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  border: 2px solid var(--page-download-border);
}

.page-download__faq-list {
  margin-top: 30px;
}

.page-download__faq-item {
  background-color: var(--page-download-card-bg);
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid var(--page-download-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.15em;
  font-weight: 600;
  color: var(--page-download-text-main);
  outline: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

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

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

.page-download__faq-toggle {
  font-size: 1.5em;
  color: var(--page-download-primary);
  margin-left: 15px;
  transition: transform 0.3s ease;
}

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

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

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

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

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

.page-download__conclusion-cta {
  text-align: center;
  padding-bottom: 80px;
}

.page-download__description {
  font-size: 1.1em;
  line-height: 1.6;
  color: var(--page-download-text-secondary);
  max-width: 800px;
  margin: 20px auto 40px auto;
}

.page-download__conclusion-image-wrapper {
  margin-top: 50px;
  text-align: center;
}

.page-download__conclusion-image {
  width: 100%;
  height: auto;
  max-width: 1000px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  border: 2px solid var(--page-download-border);
}

/* ========================================= */
/* Responsive Styles */
/* ========================================= */

/* Tablet */
@media (max-width: 992px) {
  .page-download__hero-title {
    font-size: clamp(1.8em, 5vw, 3em);
  }

  .page-download__section-title {
    font-size: clamp(1.6em, 4.5vw, 2.5em);
  }

  .page-download__grid-features {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .page-download__download-guide {
    flex-direction: column;
  }

  .page-download__guide-steps,
  .page-download__qr-code-wrapper {
    max-width: 100%;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .page-download__container,
  .page-download__hero-content,
  .page-download__section,
  .page-download__dark-section,
  .page-download__video-section {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* Images */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__hero-image-wrapper,
  .page-download__qr-code-wrapper,
  .page-download__app-features-image-wrapper,
  .page-download__conclusion-image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* Videos */
  .page-download video,
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

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

  /* Buttons */
  .page-download__btn-primary,
  .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: 20px !important; /* Ensure text spacing */
    padding-right: 20px !important;
    text-align: center;
  }

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

  .page-download__hero-title {
    font-size: clamp(1.6em, 7vw, 2.5em);
  }

  .page-download__hero-description {
    font-size: 1em;
  }

  .page-download__section-title {
    font-size: clamp(1.4em, 6vw, 2em);
    margin-bottom: 30px;
  }

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

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

  .page-download__faq-item summary {
    font-size: 1em;
    padding: 15px 20px;
  }

  .page-download__faq-answer {
    padding: 0 20px 15px;
  }
  
  .page-download__conclusion-cta .page-download__description {
    font-size: 1em;
  }
}