/* style/download.css */
/* body đã padding-top: var(--header-offset)；tránh trùng lặp */

:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-button-gradient-start: #2AD16F;
  --color-button-gradient-end: #13994A;
  --color-card-bg: #11271B;
  --color-background: #08160F;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
}

.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Mặc định cho nền tối */
  background-color: var(--color-background);
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Dựa trên body padding-top */
  text-align: center;
  color: var(--color-text-main);
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.page-download__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5); /* Giảm độ sáng để chữ nổi bật */
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
  background: rgba(0, 0, 0, 0.4); /* Nền tối nhẹ để chữ dễ đọc hơn */
  border-radius: 10px;
}

.page-download__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  color: var(--color-gold);
  margin-bottom: 15px;
  line-height: 1.2;
  font-weight: bold;
}

.page-download__hero-description {
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  color: var(--color-text-secondary);
  margin-bottom: 30px;
}

.page-download__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.page-download__btn-primary,
.page-download__btn-secondary,
.page-download__btn-tertiary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.2s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
}

.page-download__btn-primary {
  background: var(--color-button-gradient-start);
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: var(--color-text-main);
  border: none;
}

.page-download__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

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

.page-download__btn-secondary:hover {
  background-color: var(--color-gold);
  color: var(--color-background);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-download__btn-tertiary {
  background-color: transparent;
  color: var(--color-text-main);
  border: 2px solid var(--color-border);
}

.page-download__btn-tertiary:hover {
  background-color: var(--color-border);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-download__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
  line-height: 1.3;
}

.page-download__text-block {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: var(--color-text-secondary);
}

.page-download__dark-section {
  background-color: var(--color-background);
  color: var(--color-text-main);
}

.page-download__light-bg {
  background-color: #f8f9fa;
  color: #333333;
}

.page-download__light-bg .page-download__section-title,
.page-download__light-bg .page-download__text-block,
.page-download__light-bg .page-download__list-highlight,
.page-download__light-bg .page-download__card-title,
.page-download__light-bg .page-download__card-description,
.page-download__light-bg .page-download__faq-qtext {
  color: #333333; /* Đảm bảo độ tương phản */
}

.page-download__light-bg .page-download__faq-toggle {
  color: var(--color-primary);
}

.page-download__content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  align-items: center;
  margin-bottom: 30px;
}

.page-download__content-grid > div {
  flex: 1;
  min-width: 300px;
}

.page-download__image-wrapper {
  text-align: center;
}

.page-download__content-image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-download__benefit-list,
.page-download__requirements-list,
.page-download__security-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-download__benefit-list li,
.page-download__requirements-list li,
.page-download__security-list li {
  margin-bottom: 15px;
  padding-left: 30px;
  position: relative;
  font-size: 1.05rem;
  color: inherit;
}

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

.page-download__list-highlight {
  font-weight: bold;
  color: inherit;
}

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

.page-download__feature-card {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  text-align: center;
  padding-bottom: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-download__card-image {
  width: 100%;
  height: 250px; /* Chiều cao cố định cho ảnh thẻ */
  object-fit: cover;
  display: block;
}

.page-download__card-title {
  font-size: 1.5rem;
  color: var(--color-gold);
  margin: 20px 15px 10px;
  font-weight: bold;
}

.page-download__card-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  padding: 0 15px;
}

.page-download__download-guide {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
  margin-top: 30px;
}

.page-download__guide-item {
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 30px;
  color: #333333;
}

.page-download__guide-title {
  font-size: 1.8rem;
  color: var(--color-primary);
  margin-bottom: 20px;
  text-align: center;
}

.page-download__guide-steps {
  list-style-type: decimal;
  padding-left: 20px;
  margin-bottom: 25px;
}

.page-download__guide-steps li {
  margin-bottom: 10px;
  font-size: 1rem;
  line-height: 1.6;
  color: #555555;
}

.page-download__guide-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin-top: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-download__qr-section {
  text-align: center;
  margin-top: 50px;
  padding: 30px;
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  color: #333333;
}

.page-download__qr-code-image {
  width: 250px;
  height: 250px;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto 0;
  border: 5px solid var(--color-primary);
  border-radius: 5px;
}

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

.page-download__faq-item {
  background-color: var(--color-card-bg);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--color-text-main);
}

.page-download__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  background-color: var(--color-deep-green);
  border-bottom: 1px solid var(--color-divider);
}

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

.page-download__faq-qtext {
  font-size: 1.15rem;
  font-weight: bold;
  color: var(--color-gold);
}

.page-download__faq-toggle {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--color-gold);
  transition: transform 0.3s ease;
}

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

.page-download__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  background-color: var(--color-card-bg);
}

.page-download__text-center {
  text-align: center;
}

.page-download__final-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  margin-bottom: 40px;
}

.page-download__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 800px;
  margin: 30px auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  width: 100%; /* Đảm bảo chiều rộng 100% cho desktop */
  box-sizing: border-box;
}

.page-download__promo-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
  border-radius: 10px;
}

.page-download__video-caption {
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: 10px;
  font-size: 0.95rem;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-download__hero-content {
    padding: 15px;
  }

  .page-download__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

  .page-download__hero-description {
    font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  }

  .page-download__section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  }

  .page-download__text-block {
    font-size: 1rem;
  }

  .page-download__feature-card .page-download__card-image {
    height: 200px;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-download__hero-content {
    padding: 10px;
  }

  .page-download__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-download__hero-description {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download__btn-tertiary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px;
    font-size: 1rem;
  }

  .page-download__container {
    padding: 30px 15px;
  }

  .page-download__content-grid {
    flex-direction: column;
  }

  .page-download__content-grid > div {
    min-width: unset;
  }

  .page-download__content-image,
  .page-download__guide-image,
  .page-download__qr-code-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__feature-grid {
    grid-template-columns: 1fr;
  }

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

  .page-download__download-guide {
    grid-template-columns: 1fr;
  }

  .page-download__guide-item {
    padding: 20px;
  }

  .page-download__guide-title {
    font-size: 1.5rem;
  }

  .page-download__faq-qtext {
    font-size: 1rem;
  }

  .page-download__faq-toggle {
    font-size: 1.5rem;
  }

  .page-download__faq-answer {
    padding: 10px 15px 15px;
  }

  .page-download__final-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-download__promo-video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
}