/* style/support.css */
/* body đã có padding-top từ shared.css, không thêm vào đây */

.page-support {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default dark text for light body background */
  background-color: #FFFFFF; /* Explicitly set for clarity, though body is white */
}

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

/* Hero Section */
.page-support__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  background-color: #f0f8ff; /* Light background for hero content */
  text-align: center;
  overflow: hidden; /* Ensure image doesn't overflow */
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 500px; /* Limit height of hero image */
  overflow: hidden;
  margin-bottom: 20px;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-support__hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-support__main-title {
  font-size: clamp(1.8em, 4vw, 2.8em); /* Responsive font size */
  font-weight: bold;
  color: #26A9E0;
  margin-bottom: 15px;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.page-support__intro-text {
  font-size: 1.1em;
  color: #555555;
  margin-bottom: 30px;
}

/* General Section Styling */
.page-support__section {
  padding: 60px 0;
  background-color: #FFFFFF;
}

.page-support__section:nth-of-type(even) {
  background-color: #f9f9f9;
}

.page-support__section-title {
  font-size: 2.2em;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-support__section-title--light {
  color: #FFFFFF;
}

.page-support__paragraph {
  font-size: 1em;
  margin-bottom: 1em;
  color: #333333;
}

.page-support__paragraph--light {
  color: #f0f0f0;
}

.page-support__paragraph a {
  color: #26A9E0;
  text-decoration: underline;
}

.page-support__paragraph a:hover {
  color: #1a7bb0;
}

/* Buttons */
.page-support__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-sizing: border-box;
  max-width: 100%; /* Ensure button fits container */
  white-space: normal; /* Allow text wrap */
  word-wrap: break-word; /* Allow text wrap */
}

.page-support__btn-primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-support__btn-primary:hover {
  background-color: #1a7bb0;
  border-color: #1a7bb0;
  transform: translateY(-2px);
}

.page-support__btn-secondary {
  background-color: #EA7C07; /* Login color for secondary CTA */
  color: #FFFFFF;
  border: 2px solid #EA7C07;
}

.page-support__btn-secondary:hover {
  background-color: #d16b06;
  border-color: #d16b06;
  transform: translateY(-2px);
}

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

.page-support__channel-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid #e0e0e0;
}

.page-support__channel-card:hover {
  transform: translateY(-5px);
}

.page-support__channel-title {
  font-size: 1.5em;
  color: #26A9E0;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-support__channel-description {
  font-size: 0.95em;
  color: #555555;
  margin-bottom: 20px;
}

.page-support__channel-list {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
  text-align: left;
  color: #333333;
}

.page-support__channel-list li {
  margin-bottom: 10px;
  padding-left: 25px;
  position: relative;
}

.page-support__channel-list li::before {
  content: '✔️'; /* Unicode checkmark */
  position: absolute;
  left: 0;
  color: #26A9E0;
}

.page-support__channel-list a {
  color: #26A9E0;
  text-decoration: none;
}

.page-support__channel-list a:hover {
  text-decoration: underline;
}

.page-support__channel-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  object-fit: cover;
}

/* Common Issues */
.page-support__issue-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  padding: 25px;
  margin-bottom: 20px;
  border-left: 5px solid #26A9E0;
}

.page-support__issue-title {
  font-size: 1.3em;
  color: #26A9E0;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-support__issue-list {
  list-style: disc;
  padding-left: 25px;
  color: #555555;
}

.page-support__issue-list li {
  margin-bottom: 8px;
}

.page-support__issue-list a {
  color: #26A9E0;
  text-decoration: none;
}

.page-support__issue-list a:hover {
  text-decoration: underline;
}

/* FAQ Section */
.page-support__faq-section {
  background-color: #f0f8ff; /* Light blue background */
}

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

.page-support__faq-item {
  background-color: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  margin-bottom: 15px;
  overflow: hidden;
  border: 1px solid #e0e0e0;
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.1em;
  font-weight: bold;
  color: #333333;
  cursor: pointer;
  background-color: #fefefe;
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-support__faq-item[open] .page-support__faq-question {
  background-color: #e6f7ff;
  color: #26A9E0;
}

.page-support__faq-qtext {
  flex-grow: 1;
  color: #333333;
}

.page-support__faq-item[open] .page-support__faq-qtext {
  color: #26A9E0;
}

.page-support__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  color: #26A9E0;
}

.page-support__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1em;
  color: #555555;
  border-top: 1px solid #eee;
}

.page-support__faq-answer p {
  margin-bottom: 0;
}

.page-support__image-center {
  display: block;
  margin: 30px auto 0;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

/* Advice Section */
.page-support__advice-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.page-support__advice-list li {
  background-color: #FFFFFF;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  font-size: 1.05em;
  color: #333333;
  line-height: 1.5;
  border-left: 4px solid #26A9E0;
}

.page-support__advice-list li strong {
  color: #26A9E0;
}

/* Final CTA Section */
.page-support__cta-final {
  padding: 80px 0;
  text-align: center;
}

.page-support__dark-bg {
  background-color: #26A9E0;
  color: #FFFFFF;
  padding: 50px 20px;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Keywords styling */
.page-support .keyword {
  color: #EA7C07; /* Highlight keywords with login color */
  font-weight: bold;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .page-support__container {
    padding: 0 15px;
  }

  .page-support__hero-section {
    padding-top: 10px; /* Small top padding for mobile */
    padding-bottom: 30px;
  }

  .page-support__main-title {
    font-size: clamp(1.5em, 7vw, 2em);
    margin-bottom: 10px;
  }

  .page-support__intro-text {
    font-size: 1em;
    margin-bottom: 20px;
  }

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

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

  .page-support__cta-button {
    padding: 12px 25px;
    font-size: 1em;
    width: 100% !important; /* Mobile button full width */
    max-width: 100% !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-support__channel-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
  }

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

  .page-support__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-support__faq-answer {
    padding: 10px 20px 15px;
  }

  /* Mobile image and video responsive adaptation */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__hero-image-wrapper,
  .page-support__channel-card,
  .page-support__issue-card,
  .page-support__faq-item,
  .page-support__advice-list,
  .page-support__dark-bg {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Prevent horizontal scroll */
  }
  
  .page-support__hero-section {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  .page-support__hero-content {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-support__video-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  .page-support video,
  .page-support__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-support__video-section,
  .page-support__video-container,
  .page-support__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-support__cta-buttons,
  .page-support__button-group,
  .page-support__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-support__cta-buttons {
    display: flex;
    flex-direction: column;
  }
}