/* style/support.css */

/* Biến màu sắc */
:root {
  --page-support-primary-color: #1A202C;
  --page-support-secondary-color: #FFD700;
  --page-support-text-light: #ffffff;
  --page-support-text-dark: #333333;
  --page-support-bg-dark: #0a0a0a; /* Body background from shared.css */
}

.page-support {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-support-text-light); /* Text color for dark body background */
  background-color: var(--page-support-bg-dark);
}

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

/* --- Hero Section --- */
.page-support__hero-section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 80px 0;
  padding-top: var(--header-offset, 120px); /* Ensure space for fixed header */
  min-height: 600px;
  overflow: hidden;
  background: var(--page-support-primary-color);
  color: var(--page-support-text-light);
}

.page-support__hero-content {
  flex: 1;
  padding-right: 40px;
  z-index: 1;
}

.page-support__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--page-support-secondary-color);
}

.page-support__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
}

.page-support__hero-cta-buttons {
  display: flex;
  gap: 20px;
}

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

.page-support__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

/* --- General Section Styles --- */
.page-support__introduction-section,
.page-support__channels-section,
.page-support__faq-section,
.page-support__security-section,
.page-support__cta-section {
  padding: 80px 0;
}

.page-support__light-bg {
  background-color: #f0f2f5;
  color: var(--page-support-text-dark);
}

.page-support__dark-section {
  background-color: var(--page-support-primary-color);
  color: var(--page-support-text-light);
}

.page-support__section-title {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 40px;
  color: inherit;
}

.page-support__light-bg .page-support__section-title {
  color: var(--page-support-primary-color);
}

.page-support__dark-section .page-support__section-title {
  color: var(--page-support-secondary-color);
}

.page-support__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Buttons --- */
.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  text-align: center;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-support__btn-primary {
  background-color: var(--page-support-secondary-color);
  color: var(--page-support-primary-color);
  border: 2px solid var(--page-support-secondary-color);
}

.page-support__btn-primary:hover {
  background-color: #e6c200; /* Darken #FFD700 */
  border-color: #e6c200;
}

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

.page-support__btn-secondary:hover {
  background-color: var(--page-support-secondary-color);
  color: var(--page-support-primary-color);
}

.page-support__btn-text-link {
  color: var(--page-support-secondary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-support__btn-text-link:hover {
  color: #ffeb99; /* Lighten #FFD700 */
  text-decoration: underline;
}

.page-support__btn-small {
  padding: 10px 20px;
  font-size: 1em;
}

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

.page-support__channel-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__channel-icon {
  width: 200px; /* Min size 200px */
  height: 200px;
  margin-bottom: 20px;
  object-fit: contain;
  max-width: 100%;
  height: auto;
}

.page-support__channel-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: var(--page-support-secondary-color);
}

.page-support__channel-description {
  font-size: 1em;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* --- FAQ Section --- */
.page-support__faq-list {
  max-width: 900px;
  margin: 40px auto;
}

.page-support__faq-item {
  background-color: #ffffff;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  color: var(--page-support-text-dark);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  background-color: #f9f9f9;
  border-bottom: 1px solid #eee;
  transition: background-color 0.3s ease;
}

.page-support__faq-question:hover {
  background-color: #f0f0f0;
}

.page-support__faq-title {
  font-size: 1.2em;
  margin: 0;
  color: var(--page-support-primary-color);
}

.page-support__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--page-support-primary-color);
  transition: transform 0.3s ease;
}

.page-support__faq-item.active .page-support__faq-toggle {
  transform: rotate(45deg); /* Change to '-' visually */
}

.page-support__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-support__faq-item.active .page-support__faq-answer {
  max-height: 1000px !important; /* Sufficiently large */
  padding: 20px;
  padding-top: 0;
}

.page-support__faq-answer p {
  margin-bottom: 15px;
  color: var(--page-support-text-dark);
  text-align: left;
}

.page-support__faq-image-wrapper {
  margin-top: 40px;
  text-align: center;
}

.page-support__faq-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* --- Security Section --- */
.page-support__security-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support__security-item {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-support__security-subtitle {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: var(--page-support-secondary-color);
}

.page-support__security-item p {
  font-size: 1em;
  margin-bottom: 20px;
  text-align: left;
}

.page-support__security-image-wrapper {
  grid-column: 1 / -1; /* Span across all columns */
  text-align: center;
  margin-top: 20px;
}

.page-support__security-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* --- CTA Section --- */
.page-support__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-support__cta-image-wrapper {
  margin-top: 40px;
  text-align: center;
}

.page-support__cta-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .page-support__hero-section {
    flex-direction: column;
    text-align: center;
    padding-bottom: 40px;
  }

  .page-support__hero-content {
    padding-right: 0;
    margin-bottom: 40px;
  }

  .page-support__hero-title {
    font-size: 2.8em;
  }

  .page-support__hero-cta-buttons {
    justify-content: center;
  }

  .page-support__channels-grid,
  .page-support__security-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-support {
    font-size: 16px;
    line-height: 1.6;
  }
  
  .page-support__hero-section {
    padding-top: var(--header-offset, 120px) !important; /* Ensure space for fixed header on mobile */
    min-height: auto;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__hero-title {
    font-size: 2.2em;
  }

  .page-support__hero-description {
    font-size: 1em;
  }

  .page-support__btn-primary,
  .page-support__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__hero-cta-buttons,
  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  
  .page-support__section-title {
    font-size: 2em;
    padding: 0 15px;
  }

  .page-support__text-block {
    padding: 0 15px;
  }

  .page-support__container {
    padding: 0 15px;
  }

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

  .page-support__channel-card,
  .page-support__faq-item,
  .page-support__security-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__faq-question {
    padding: 15px;
  }

  .page-support__faq-answer {
    padding: 0 15px;
  }

  .page-support__faq-item.active .page-support__faq-answer {
    padding: 15px;
    padding-top: 0;
  }

  .page-support__channel-icon {
    width: 200px !important;
    height: auto !important;
  }

  .page-support__security-image-wrapper,
  .page-support__faq-image-wrapper,
  .page-support__cta-image-wrapper,
  .page-support__hero-image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
    padding: 0 15px;
  }
  
  /* Ensure content sections have padding and don't overflow */
  .page-support__introduction-section,
  .page-support__channels-section,
  .page-support__faq-section,
  .page-support__security-section,
  .page-support__cta-section {
    padding-left: 0;
    padding-right: 0;
  }
}