/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top cho body hoặc main */

:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --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;
}

.page-download {
  font-family: 'Arial', sans-serif;
  color: var(--color-text-main); /* Default text color for the page */
  background-color: var(--color-background); /* Default background for the page */
}

.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, header offset handled by body in shared.css */
  background-color: var(--color-deep-green);
  overflow: hidden;
}

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

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-download__hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 1;
}

.page-download__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive font size for H1 */
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-download__description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

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

.page-download__btn-primary,
.page-download__btn-secondary,
.page-download__btn-tertiary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
  cursor: pointer;
  box-sizing: border-box;
}

.page-download__btn-primary {
  background: var(--color-button-gradient);
  color: var(--color-text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-download__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

.page-download__btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: 0 4px 15px rgba(17, 168, 78, 0.2);
}

.page-download__btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-main);
  box-shadow: 0 6px 20px rgba(17, 168, 78, 0.4);
}

.page-download__btn-tertiary {
  background-color: var(--color-deep-green);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
  padding: 10px 20px;
}

.page-download__btn-tertiary:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-download__section {
  padding: 80px 20px;
  text-align: center;
  border-bottom: 1px solid var(--color-divider);
}

.page-download__section:last-of-type {
  border-bottom: none;
}

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

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-download__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--color-text-main);
  margin-bottom: 20px;
  font-weight: 700;
}

.page-download__section-description {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 900px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

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

.page-download__card {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%; /* Ensure cards have equal height */
}

.page-download__feature-icon,
.page-download__offer-image,
.page-download__step-image {
  width: 100%;
  height: auto;
  min-height: 200px; /* Enforce minimum size */
  max-height: 300px; /* Optional max height for consistency */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-download__feature-title,
.page-download__offer-title,
.page-download__step-title {
  font-size: 1.4rem;
  color: var(--color-text-main);
  margin-bottom: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.page-download__feature-text,
.page-download__offer-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex-grow: 1; /* Allow text to grow and push buttons to bottom */
}

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

.page-download__step-item {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__step-list {
  list-style-type: decimal;
  padding-left: 20px;
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

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

.page-download__step-list li:last-child {
  margin-bottom: 0;
}

.page-download__step-list ul {
  list-style-type: disc;
}

.page-download__cta-buttons--centered {
  margin-top: 60px;
}

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

.page-download__faq-item {
  background-color: var(--color-card-bg);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-download__faq-item[open] .page-download__faq-question {
  background-color: var(--color-deep-green);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-main);
  background-color: var(--color-deep-green);
  border-bottom: 1px solid var(--color-divider);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-download__faq-question:hover {
  background-color: var(--color-primary);
}

.page-download__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  font-weight: 300;
  margin-left: 20px;
  color: var(--color-glow);
}

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

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-download__hero-section {
    padding: 40px 15px;
  }

  .page-download__section {
    padding: 60px 15px;
  }

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

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

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 30px 15px;
    padding-top: 10px !important; /* Ensure small top padding */
  }

  .page-download__hero-image-wrapper {
    margin-bottom: 20px;
  }

  .page-download__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-download__hero-content,
  .page-download__container,
  .page-download__section,
  .page-download__card,
  .page-download__step-item,
  .page-download__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

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

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

  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download__btn-tertiary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__features-grid,
  .page-download__offers-grid,
  .page-download__guide-steps {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 0 15px; /* Add padding to grid containers */
  }

  .page-download__feature-icon,
  .page-download__offer-image,
  .page-download__step-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-height: 200px !important; /* Enforce minimum size */
    display: block !important;
  }

  .page-download p,
  .page-download li {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-download__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

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

  .page-download__faq-answer {
    padding: 15px 20px;
  }
}

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-download__section-title {
    font-size: clamp(1.5rem, 5.5vw, 2.2rem);
  }

  .page-download__description {
    font-size: 0.95rem;
  }
}