/* style/download.css */
:root {
  --primary-color: #FF8C1A;
  --secondary-color: #FFA53A;
  --card-bg-color: #17191F;
  --body-bg-color: #0D0E12;
  --text-main-color: #FFF3E6;
  --border-color: #A84F0C;
  --glow-color: #FFB04D;
  --deep-orange-color: #D96800;
  --button-gradient: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange-color) 100%);
}

.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* Sử dụng màu chữ chính được chỉ định */
  background-color: var(--body-bg-color); /* Sử dụng màu nền body được chỉ định */
}

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

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

.page-download__section-title {
  font-size: 38px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-download__section-description {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: rgba(255, 255, 255, 0.85);
}

.page-download__sub-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--secondary-color);
  margin-top: 30px;
  margin-bottom: 15px;
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ hơn so với 60px để tránh trùng padding-top của body */
  background-color: var(--body-bg-color);
}

.page-download__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-download__hero-image {
  width: 100%;
  margin-bottom: 30px;
}

.page-download__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5), 0 0 30px var(--glow-color) inset;
  border: 1px solid var(--border-color);
}

.page-download__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.page-download__hero-title {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  color: var(--primary-color);
  margin-bottom: 20px;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
  letter-spacing: -1px;
}

.page-download__hero-description {
  font-size: 20px;
  line-height: 1.6;
  max-width: 900px;
  margin: 0 auto 30px auto;
  color: var(--text-main-color);
}

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

.page-download__cta-button {
  display: inline-block;
  padding: 16px 40px;
  background: var(--button-gradient);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 20px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  border: none;
  cursor: pointer;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__cta-button:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
  opacity: 0.9;
}

.page-download__cta-download {
  background: var(--button-gradient);
}

.page-download__cta-register {
  background: var(--button-gradient);
}

/* General Content Grid */
.page-download__content-grid {
  display: flex;
  align-items: center;
  gap: 40px;
  text-align: left;
}

.page-download__content-grid:nth-child(even) {
  flex-direction: row-reverse;
}

.page-download__text-block {
  flex: 1;
  padding: 20px;
  background-color: var(--card-bg-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-download__text-block p,
.page-download__text-block li {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 15px;
}

.page-download__text-block ul,
.page-download__text-block ol {
  padding-left: 25px;
}

.page-download__image-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-download__image-wrapper img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
}

/* How-to-download Section */
.page-download__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  text-align: left;
}

.page-download__guide-item {
  padding: 30px;
  background-color: var(--card-bg-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__guide-title {
  font-size: 28px;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.page-download__guide-item p,
.page-download__guide-item ol,
.page-download__guide-item li {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 10px;
}

.page-download__qr-code-wrapper {
  margin-top: 25px;
  margin-bottom: 25px;
  text-align: center;
}

.page-download__qr-code-wrapper img {
  width: 250px;
  height: 250px;
  border: 5px solid #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-download__qr-label {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 10px;
}

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

.page-download__feature-item {
  padding: 25px;
  background-color: var(--card-bg-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-align: left;
}

.page-download__feature-item img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-download__feature-title {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-download__feature-item p {
  color: rgba(255, 255, 255, 0.85);
}

/* Promotions Section */
.page-download__promotion-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__promotion-card {
  padding: 25px;
  background-color: var(--card-bg-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-align: left;
}

.page-download__promotion-card img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-download__promotion-title {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-download__promotion-card p {
  color: rgba(255, 255, 255, 0.85);
}

.page-download__button-center {
  margin-top: 40px;
  text-align: center;
}

/* FAQ Section */
details.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--card-bg-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  text-align: left;
}
details.page-download__faq-item summary.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-download__faq-item summary.page-download__faq-question::-webkit-details-marker {
  display: none;
}
details.page-download__faq-item summary.page-download__faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}
.page-download__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-main-color);
}
.page-download__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}
details.page-download__faq-item .page-download__faq-answer {
  padding: 0 25px 20px;
  background: var(--card-bg-color);
  border-radius: 0 0 12px 12px;
  color: rgba(255, 255, 255, 0.85);
}

.page-download__faq-answer p {
  margin-bottom: 10px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 40px;
  }
  .page-download__section-title {
    font-size: 32px;
  }
  .page-download__content-grid {
    flex-direction: column;
  }
  .page-download__content-grid:nth-child(even) {
    flex-direction: column;
  }
  .page-download__text-block, .page-download__image-wrapper {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__hero-title {
    font-size: 32px;
    margin-bottom: 15px;
  }
  .page-download__hero-description {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-download__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 14px 25px;
    font-size: 18px;
  }

  .page-download__section {
    padding: 40px 0;
  }
  .page-download__section-title {
    font-size: 28px;
  }
  .page-download__section-description {
    font-size: 16px;
    margin-bottom: 30px;
  }
  .page-download__sub-title {
    font-size: 20px;
  }

  .page-download__guide-item, .page-download__feature-item, .page-download__promotion-card {
    padding: 20px;
  }
  .page-download__qr-code-wrapper img {
    width: 200px;
    height: 200px;
  }
  .page-download__guide-title, .page-download__feature-title, .page-download__promotion-title {
    font-size: 20px;
  }
  .page-download__text-block p,
  .page-download__text-block li,
  .page-download__feature-item p,
  .page-download__promotion-card p {
    font-size: 15px;
  }

  details.page-download__faq-item summary.page-download__faq-question { padding: 15px; }
  .page-download__faq-qtext { font-size: 16px; }
  .page-download__faq-toggle { font-size: 24px; }
  details.page-download__faq-item .page-download__faq-answer { padding: 0 15px 15px; }

  /* Image responsiveness for all images within .page-download */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-download__section, .page-download__card, .page-download__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}

@media (max-width: 480px) {
  .page-download__hero-title {
    font-size: 28px;
  }
  .page-download__section-title {
    font-size: 24px;
  }
  .page-download__cta-button {
    font-size: 16px;
    padding: 12px 20px;
  }
}