/* style/support.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này KHÔNG được viết lại padding-top với biến đó */
.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background: var(--background);
}

.page-support__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small decorative top padding, not --header-offset */
  background: var(--deep-green);
  overflow: hidden;
}

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

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  object-fit: cover;
}

.page-support__hero-content {
  text-align: center;
  max-width: 900px;
  color: var(--text-main);
  z-index: 1;
}

.page-support__main-title {
  font-size: clamp(2.2em, 4vw, 3.2em);
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--text-main);
  line-height: 1.2;
}

.page-support__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

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

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-support__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
}

.page-support__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

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

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

.page-support__section {
  padding: 60px 20px;
  border-bottom: 1px solid var(--divider);
}

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

.page-support__container {
  max-width: 1200px;
  margin: 0 auto;
}

.page-support__section-title {
  font-size: 2.2em;
  font-weight: bold;
  color: var(--text-main);
  margin-bottom: 30px;
  text-align: center;
}

.page-support__text-block {
  font-size: 1.05em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-align: justify;
}

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

.page-support__faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main);
}

.page-support__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.1em;
  color: var(--text-main);
  background: var(--deep-green);
  border-bottom: 1px solid var(--border);
}

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

.page-support__faq-item summary:hover {
  background: var(--glow);
  color: #ffffff;
}

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

.page-support__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
}

.page-support__faq-answer {
  padding: 20px;
  font-size: 1em;
  color: var(--text-secondary);
  text-align: justify;
}

.page-support__faq-answer p {
  margin-bottom: 10px;
  color: var(--text-secondary);
}

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

.page-support__faq-answer a {
  color: var(--main-color);
  text-decoration: none;
}

.page-support__faq-answer a:hover {
  text-decoration: underline;
}

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

.page-support__channel-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-main);
  transition: transform 0.3s ease;
}

.page-support__channel-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.page-support__channel-icon {
  width: 150px;
  height: 150px;
  object-fit: contain;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-support__channel-title {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-support__channel-description {
  font-size: 0.95em;
  color: var(--text-secondary);
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-support__guidelines-list {
  list-style: none;
  padding-left: 0;
  margin-top: 20px;
}

.page-support__guidelines-list li {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px 20px;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  color: var(--text-secondary);
}

.page-support__guidelines-list li p {
  margin: 0;
  color: var(--text-secondary);
}

.page-support__guidelines-list li strong {
  color: var(--text-main);
}

.page-support__legal-links-list {
  list-style: disc;
  padding-left: 25px;
  margin-top: 20px;
}

.page-support__legal-links-list li {
  margin-bottom: 10px;
  font-size: 1.05em;
  color: var(--text-secondary);
}

.page-support__legal-links-list li a {
  color: var(--main-color);
  text-decoration: none;
}

.page-support__legal-links-list li a:hover {
  text-decoration: underline;
}

.page-support__final-cta-section {
  text-align: center;
  background: var(--deep-green);
  color: var(--text-main);
}

.page-support__final-cta-section .page-support__section-title {
  color: var(--text-main);
}

.page-support__final-cta-section .page-support__text-block {
  color: var(--text-secondary);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__btn-large {
  padding: 15px 35px;
  font-size: 1.2em;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-support__main-title {
    font-size: clamp(2em, 5vw, 2.8em);
  }
  .page-support__section-title {
    font-size: 1.8em;
  }
  .page-support__hero-section {
    padding: 40px 15px;
  }
  .page-support__section {
    padding: 40px 15px;
  }
}

@media (max-width: 768px) {
  .page-support__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }
  .page-support__description {
    font-size: 1em;
  }
  .page-support__section-title {
    font-size: 1.6em;
  }
  .page-support__text-block {
    font-size: 0.95em;
  }
  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-support__btn-primary,
  .page-support__btn-secondary {
    width: 100%;
    max-width: 100% !important;
    padding: 12px 15px;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-support__hero-section,
  .page-support__section,
  .page-support__container,
  .page-support__channel-card,
  .page-support__faq-item,
  .page-support__guidelines-list li {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-support__hero-image,
  .page-support__channel-icon,
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .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: 10px !important; /* body đã xử lý offset */
  }
  .page-support__channels-grid {
    grid-template-columns: 1fr;
  }
  .page-support__channel-icon {
    width: 100px;
    height: 100px;
  }
}

/* Color Contrast & Custom Palette */
:root {
  --main-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border: #2E7A4E;
  --glow: #57E38D;
  --gold: #F2C14E;
  --divider: #1E3A2A;
  --deep-green: #0A4B2C;
}

.page-support {
  color: var(--text-secondary); /* Default text color for the main content area */
  background-color: var(--background);
}

.page-support h1, .page-support h2, .page-support h3, .page-support h4, .page-support h5, .page-support h6 {
  color: var(--text-main);
}

.page-support a {
  color: var(--main-color);
}

.page-support__hero-section {
  background: var(--deep-green);
}

.page-support__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
}

.page-support__btn-secondary {
  background: transparent;
  color: var(--text-main);
  border-color: var(--border);
}
.page-support__btn-secondary:hover {
  background: var(--border);
  color: #ffffff;
}

.page-support__faq-item,
.page-support__channel-card,
.page-support__guidelines-list li {
  background: var(--card-bg);
  border-color: var(--border);
}

.page-support__faq-item summary {
  background: var(--deep-green);
  color: var(--text-main);
  border-color: var(--border);
}

.page-support__faq-item summary:hover {
  background: var(--glow);
  color: #ffffff;
}

.page-support__faq-answer {
  color: var(--text-secondary);
}

.page-support__channel-description {
  color: var(--text-secondary);
}

.page-support__final-cta-section {
  background: var(--deep-green);
}

.page-support__section {
  border-color: var(--divider);
}