/* style/download-center-installation-guide.css */
:root {
  --page-ku77-primary-color: #1A237E;
  --page-ku77-secondary-color: #FFD700;
  --page-ku77-text-dark: #212121;
  --page-ku77-text-light: #FFFFFF;
  --page-ku77-background-light: #F8F8F8;
  --page-ku77-background-dark: #0F1640; /* Slightly darker than primary for contrast */
  --page-ku77-accent-dark: #998100; /* Darker version of secondary for text on secondary bg */
  --page-ku77-link-hover: #e5dc81; /* Complementary for hover */
}

.page-download-center-installation-guide {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-ku77-text-dark);
  background-color: var(--page-ku77-background-light);
}

.page-download-center-installation-guide__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-download-center-installation-guide__container--center {
    text-align: center;
}

.page-download-center-installation-guide__hero {
  background: linear-gradient(135deg, var(--page-ku77-primary-color) 0%, #0F1640 100%);
  color: var(--page-ku77-text-light);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-download-center-installation-guide__hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('[GALLERY:bg:abstract,geometric,patterns]') no-repeat center center/cover;
    opacity: 0.1;
    z-index: 0;
}

.page-download-center-installation-guide__hero .page-download-center-installation-guide__container {
    position: relative;
    z-index: 1;
}

.page-download-center-installation-guide__title {
  font-size: 3.5em;
  margin-bottom: 20px;
  font-weight: bold;
  color: var(--page-ku77-secondary-color);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.page-download-center-installation-guide__subtitle {
  font-size: 1.5em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download-center-installation-guide__cta-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-download-center-installation-guide__button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-download-center-installation-guide__button--primary {
  background-color: var(--page-ku77-secondary-color);
  color: var(--page-ku77-primary-color);
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.page-download-center-installation-guide__button--primary:hover {
  background-color: #FFEA40;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

.page-download-center-installation-guide__button--secondary {
  background-color: transparent;
  color: var(--page-ku77-secondary-color);
  border: 2px solid var(--page-ku77-secondary-color);
}

.page-download-center-installation-guide__button--secondary:hover {
  background-color: var(--page-ku77-secondary-color);
  color: var(--page-ku77-primary-color);
  transform: translateY(-3px);
}

.page-download-center-installation-guide__section {
  padding: 60px 0;
}

.page-download-center-installation-guide__section:nth-child(odd) {
  background-color: var(--page-ku77-background-light);
}

.page-download-center-installation-guide__section:nth-child(even) {
  background-color: #FFFFFF;
}

.page-download-center-installation-guide__section-title {
  font-size: 2.5em;
  color: var(--page-ku77-primary-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-download-center-installation-guide__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--page-ku77-secondary-color);
  border-radius: 2px;
}

.page-download-center-installation-guide__description {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px auto;
  color: var(--page-ku77-text-dark);
}

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

.page-download-center-installation-guide__grid-item {
  background-color: #FFFFFF;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download-center-installation-guide__grid-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-download-center-installation-guide__grid-item h3 {
  font-size: 1.5em;
  color: var(--page-ku77-primary-color);
  margin-top: 20px;
  margin-bottom: 15px;
}

.page-download-center-installation-guide__grid-item p {
  color: var(--page-ku77-text-dark);
  font-size: 1em;
}

.page-download-center-installation-guide__icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 10px;
}

.page-download-center-installation-guide__step-by-step {
  margin-top: 50px;
}

.page-download-center-installation-guide__step-title {
  font-size: 2em;
  color: var(--page-ku77-primary-color);
  margin-top: 50px;
  margin-bottom: 30px;
  padding-left: 15px;
  border-left: 5px solid var(--page-ku77-secondary-color);
}

.page-download-center-installation-guide__step-content ol {
  list-style: decimal;
  padding-left: 25px;
  margin-bottom: 30px;
  color: var(--page-ku77-text-dark);
}

.page-download-center-installation-guide__step-content ol li {
  margin-bottom: 15px;
  font-size: 1.1em;
  line-height: 1.8;
}

.page-download-center-installation-guide__step-content strong {
  color: var(--page-ku77-primary-color);
}

.page-download-center-installation-guide__link {
  color: var(--page-ku77-primary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-download-center-installation-guide__link:hover {
  color: var(--page-ku77-link-hover);
  text-decoration: underline;
}

.page-download-center-installation-guide__image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin: 30px auto;
  display: block;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-download-center-installation-guide__image--half {
    max-width: 600px;
}

.page-download-center-installation-guide__note {
  background-color: #FFFBE6; /* Light yellow for notes */
  border-left: 5px solid var(--page-ku77-secondary-color);
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: 5px;
  color: var(--page-ku77-accent-dark);
  font-weight: bold;
}

.page-download-center-installation-guide__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  margin-bottom: 15px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-download-center-installation-guide__faq-question {
  font-size: 1.3em;
  color: var(--page-ku77-primary-color);
  margin-bottom: 10px;
}

.page-download-center-installation-guide__faq-answer {
  font-size: 1em;
  color: var(--page-ku77-text-dark);
}

.page-download-center-installation-guide__final-cta {
  background-color: var(--page-ku77-primary-color);
  color: var(--page-ku77-text-light);
  text-align: center;
  padding: 80px 0;
}

.page-download-center-installation-guide__final-cta .page-download-center-installation-guide__section-title {
  color: var(--page-ku77-secondary-color);
}

.page-download-center-installation-guide__final-cta .page-download-center-installation-guide__description {
  color: var(--page-ku77-text-light);
  margin-bottom: 40px;
}

.page-download-center-installation-guide__explore .page-download-center-installation-guide__features-list {
    list-style: none;
    padding: 0;
    margin: 40px auto;
    max-width: 800px;
    text-align: left;
}

.page-download-center-installation-guide__explore .page-download-center-installation-guide__features-list li {
    background-color: #FFFFFF;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 10px;
    font-size: 1.1em;
    color: var(--page-ku77-primary-color);
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: relative;
    padding-left: 40px;
}

.page-download-center-installation-guide__explore .page-download-center-installation-guide__features-list li::before {
    content: '✓';
    color: var(--page-ku77-secondary-color);
    font-size: 1.2em;
    font-weight: bolder;
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .page-download-center-installation-guide__title {
    font-size: 2.5em;
  }

  .page-download-center-installation-guide__subtitle {
    font-size: 1.2em;
  }

  .page-download-center-installation-guide__button {
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-download-center-installation-guide__cta-group {
    flex-direction: column;
    gap: 15px;
  }

  .page-download-center-installation-guide__section-title {
    font-size: 2em;
  }

  .page-download-center-installation-guide__grid-item {
    padding: 25px;
  }

  .page-download-center-installation-guide__grid-item h3 {
    font-size: 1.3em;
  }

  .page-download-center-installation-guide__step-title {
    font-size: 1.7em;
  }

  .page-download-center-installation-guide__image--half {
    max-width: 100%;
  }

  .page-download-center-installation-guide__faq-question {
    font-size: 1.1em;
  }
}

@media (max-width: 480px) {
  .page-download-center-installation-guide__hero {
    padding: 60px 0;
  }

  .page-download-center-installation-guide__title {
    font-size: 2em;
  }

  .page-download-center-installation-guide__subtitle {
    font-size: 1em;
  }

  .page-download-center-installation-guide__button {
    width: 100%;
  }

  .page-download-center-installation-guide__section {
    padding: 40px 0;
  }

  .page-download-center-installation-guide__section-title {
    font-size: 1.8em;
  }

  .page-download-center-installation-guide__description {
    font-size: 0.95em;
  }

  .page-download-center-installation-guide__grid {
    grid-template-columns: 1fr;
  }

  .page-download-center-installation-guide__step-title {
    font-size: 1.5em;
  }

  .page-download-center-installation-guide__step-content ol li {
    font-size: 1em;
  }
}