:root {
  --color-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --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;
}

/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */
.page-download {
  color: var(--color-text-main); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--color-background);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 20px 60px; /* Nhỏ hơn cho top, lớn hơn cho bottom */
  box-sizing: border-box;
  text-align: center;
  overflow: hidden;
}

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

.page-download__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4); /* Làm tối ảnh nền để chữ dễ đọc */
}

.page-download__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
  color: var(--color-text-main);
}

.page-download__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  color: var(--color-gold);
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: bold;
}

.page-download__description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--color-text-secondary);
}

.page-download__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  width: 100%; /* Đảm bảo container chiếm đủ chiều rộng */
}

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

.page-download__btn-primary {
  background: var(--color-button-gradient);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-download__btn-secondary:hover {
  background: rgba(242, 193, 78, 0.1);
  transform: translateY(-2px);
}

.page-download__section {
  padding: 80px 0;
  box-sizing: border-box;
}

.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(--color-gold);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-download__text-block {
  font-size: 1.1em;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px;
}

.page-download__why-download {
  background-color: var(--color-background);
}

.page-download__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-item {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  border: 1px solid var(--color-border);
}

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

.page-download__feature-text {
  color: var(--color-text-secondary);
  font-size: 0.95em;
}

.page-download__content-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 60px auto 0;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
}

.page-download__content-image--center {
  margin-left: auto;
  margin-right: auto;
}

.page-download__how-to-download {
  background-color: var(--color-background);
}

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

.page-download__step-card {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-download__step-title {
  font-size: 1.6em;
  color: var(--color-text-main);
  margin-bottom: 20px;
  text-align: center;
}

.page-download__step-card ol {
  list-style-type: decimal;
  padding-left: 25px;
  margin-bottom: 25px;
  color: var(--color-text-secondary);
  font-size: 0.95em;
}

.page-download__step-card ol li {
  margin-bottom: 10px;
}

.page-download__btn-small {
  padding: 10px 20px;
  font-size: 1em;
  margin-top: auto;
  align-self: center;
}

.page-download__system-requirements {
  background-color: var(--color-deep-green);
}

.page-download__dark-section .page-download__section-title,
.page-download__dark-section .page-download__text-block {
  color: var(--color-text-main);
}

.page-download__requirements-list {
  list-style-type: disc;
  padding-left: 25px;
  max-width: 800px;
  margin: 0 auto;
  color: var(--color-text-secondary);
  font-size: 1.1em;
}

.page-download__requirements-list li {
  margin-bottom: 10px;
}

.page-download__safety-security {
  background-color: var(--color-background);
}

.page-download__security-features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__security-item {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  border: 1px solid var(--color-border);
}

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

.page-download__security-text {
  color: var(--color-text-secondary);
  font-size: 0.95em;
}

.page-download__exclusive-features {
  background-color: var(--color-background);
}

.page-download__feature-list {
  list-style-type: disc;
  padding-left: 25px;
  max-width: 800px;
  margin: 0 auto;
  color: var(--color-text-secondary);
  font-size: 1.1em;
}

.page-download__feature-list li {
  margin-bottom: 10px;
}

.page-download__feature-list li strong {
  color: var(--color-text-main);
}

.page-download__faq {
  background-color: var(--color-deep-green);
}

.page-download__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

.page-download__faq-item {
  background-color: var(--color-card-bg);
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.page-download__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.2em;
  color: var(--color-text-main);
  list-style: none; /* Hide default marker */
}

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

.page-download__faq-qtext {
  flex-grow: 1;
}

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

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

.page-download__faq-answer {
  padding: 0 20px 20px;
  color: var(--color-text-secondary);
  font-size: 1em;
  line-height: 1.5;
}

.page-download__final-cta {
  background-color: var(--color-background);
  text-align: center;
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .page-download__section {
    padding: 60px 0;
  }

  .page-download__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }

  .page-download__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-download {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-download__hero-section {
    padding: 10px 15px 40px;
  }

  .page-download__hero-content {
    padding: 15px;
  }

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

  .page-download__description {
    font-size: 1em;
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

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

  .page-download__section {
    padding: 40px 0;
  }

  .page-download__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-download__text-block {
    font-size: 0.95em;
    margin-bottom: 20px;
  }

  .page-download__feature-grid,
  .page-download__download-steps,
  .page-download__security-features-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__content-image {
    max-width: 100% !important;
    height: auto !important;
    width: 100% !important;
    margin-top: 30px;
  }

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

  .page-download__faq-answer {
    padding: 0 15px 15px;
    font-size: 0.9em;
  }

  .page-download__video-section {
    padding-top: 10px !important;
  }
}

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: clamp(1.5em, 8vw, 2em);
  }

  .page-download__section-title {
    font-size: 1.5em;
  }

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