/* style/support.css */

/* Biến CSS */
:root {
  --page-support-primary-color: #26A9E0;
  --page-support-secondary-color: #FFFFFF;
  --page-support-text-color-dark-bg: #FFFFFF;
  --page-support-text-color-light-bg: #333333;
  --page-support-login-color: #EA7C07;
  --page-support-background-color: #000000; /* Body background is dark */
}

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

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

/* Sections */
.page-support__section-title {
  font-size: 2.5em;
  color: var(--page-support-text-color-dark-bg);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-support__section-description {
  font-size: 1.1em;
  color: var(--page-support-text-color-dark-bg);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-support__hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  background: linear-gradient(135deg, #000000 0%, #26A9E0 100%);
  padding: 80px 0;
  text-align: center;
}

.page-support__hero-section .page-support__container {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 40px;
}

.page-support__hero-content {
  flex: 1;
  text-align: left;
}

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

.page-support__hero-description {
  font-size: 1.3em;
  color: var(--page-support-text-color-dark-bg);
  margin-bottom: 30px;
}

.page-support__hero-cta {
  display: flex;
  gap: 20px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

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

.page-support__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Video Section */
.page-support__video-section {
  padding: 80px 0;
  background-color: var(--page-support-background-color);
}

.page-support__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-support__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  cursor: pointer;
}

/* Channels Section */
.page-support__channels-section {
  padding: 80px 0;
  background-color: var(--page-support-background-color);
}

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

/* Common Issues Section */
.page-support__common-issues-section {
  padding: 80px 0;
  background-color: var(--page-support-background-color);
}

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

.page-support__issue-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0 0;
}

.page-support__issue-list li {
  margin-bottom: 10px;
  color: var(--page-support-text-color-dark-bg);
}

.page-support__issue-list li b {
  color: var(--page-support-primary-color);
}

/* FAQ Guide Section */
.page-support__faq-guide-section {
  padding: 80px 0;
  background-color: var(--page-support-background-color);
}

.page-support__faq-guide-section .page-support__container {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 40px;
}

.page-support__guide-content {
  flex: 1;
  text-align: left;
}

.page-support__guide-list {
  list-style-type: disc;
  margin-left: 20px;
  color: var(--page-support-text-color-dark-bg);
}

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

.page-support__guide-image {
  flex: 1;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.page-support__faq-section {
  padding: 80px 0;
  background-color: var(--page-support-background-color);
}

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

.page-support__faq-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-support__faq-question h3 {
  margin: 0;
  color: var(--page-support-text-color-dark-bg);
  font-size: 1.2em;
}

.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);
  color: var(--page-support-primary-color);
}

.page-support__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--page-support-text-color-dark-bg);
}

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

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

/* Policy Section */
.page-support__policy-section {
  padding: 80px 0;
  background-color: var(--page-support-background-color);
}

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

/* CTA Section */
.page-support__cta-section {
  padding: 80px 0;
  background: linear-gradient(45deg, #000000 0%, #26A9E0 100%);
  text-align: center;
}

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

.page-support__cta-image {
  margin-top: 50px;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Cards */
.page-support__card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--page-support-text-color-dark-bg);
}

.page-support__card-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  min-width: 200px; /* Enforce minimum size */
  min-height: 200px;
  object-fit: cover;
}

.page-support__card-title {
  font-size: 1.5em;
  color: var(--page-support-primary-color);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-support__card-text {
  font-size: 1em;
  color: var(--page-support-text-color-dark-bg);
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Buttons */
.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  box-sizing: border-box;
  max-width: 100%;
}

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

.page-support__btn-primary:hover {
  background-color: darken(var(--page-support-primary-color), 10%);
  border-color: darken(var(--page-support-primary-color), 10%);
}

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

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

.page-support__btn-small {
  padding: 8px 18px;
  font-size: 0.9em;
}

.page-support__btn-large {
  padding: 15px 30px;
  font-size: 1.1em;
}

/* Specific button for login/register if needed */
.page-support__btn-login {
  background-color: var(--page-support-login-color);
  border-color: var(--page-support-login-color);
  color: var(--page-support-secondary-color);
}

.page-support__btn-login:hover {
  background-color: darken(var(--page-support-login-color), 10%);
  border-color: darken(var(--page-support-login-color), 10%);
}

/* Dark background general styles */
.page-support__dark-section {
  background-color: var(--page-support-background-color);
  color: var(--page-support-text-color-dark-bg);
}

.page-support__dark-section h1, .page-support__dark-section h2, .page-support__dark-section h3, .page-support__dark-section p, .page-support__dark-section li {
  color: var(--page-support-text-color-dark-bg);
}

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

  .page-support__hero-content {
    text-align: center;
  }

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

  .page-support__faq-guide-section .page-support__container {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .page-support__section-title {
    font-size: 2em;
  }

  .page-support__hero-title {
    font-size: 2.5em;
  }

  .page-support__hero-description {
    font-size: 1.1em;
  }

  .page-support__hero-section {
    padding: 60px 0;
  }

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

  .page-support__hero-image,
  .page-support__card-image,
  .page-support__guide-image,
  .page-support__cta-image {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
  }

  /* Video responsive */
  .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__video-section {
    padding-top: var(--header-offset, 120px) !important; /* Specific for video section on mobile */
  }

  /* Buttons responsive */
  .page-support__btn-primary,
  .page-support__btn-secondary,
  .page-support a[class*="button"],
  .page-support a[class*="btn"] {
    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,
  .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;
  }

  .page-support__container,
  .page-support__channels-grid,
  .page-support__issues-grid,
  .page-support__policy-grid {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__card {
    padding: 20px;
  }

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

  .page-support__faq-question h3 {
    font-size: 1em;
  }

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

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