/* style/support.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --login-color: #EA7C07;
  --background-color: #FFFFFF;
  --text-dark: #333333;
  --text-light: #f0f0f0;
  --border-color: #e0e0e0;
  --card-bg-dark-mode: rgba(255, 255, 255, 0.05);
}

.page-support {
  color: var(--text-light); /* Giả định body có nền tối, dùng chữ sáng */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-support__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Nhỏ gọn, body đã có padding-top */
  padding-bottom: 60px;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.7); /* Nền tối để chữ nổi bật */
  color: var(--secondary-color);
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.6); /* Làm mờ ảnh để chữ dễ đọc */
  width: 1920px; /* Kích thước vùng hiển thị, không phải kích thước request */
  height: 1080px;
}

.page-support__hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  max-width: 900px;
  width: 90%;
  padding: 20px;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.4); /* Nền overlay cho text */
  border-radius: 10px;
}

.page-support__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-support__intro-text {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--secondary-color);
}

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

.page-support__btn-primary,
.page-support__btn-secondary,
.page-support__btn-small {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
}

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

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

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

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

.page-support__btn-small {
  padding: 8px 15px;
  font-size: 0.9em;
  background-color: var(--primary-color);
  color: var(--secondary-color);
  border: 1px solid var(--primary-color);
}

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

.page-support__section {
  padding: 60px 0;
  background-color: rgba(0, 0, 0, 0.8);
  color: var(--text-light);
}

.page-support__section:nth-of-type(even) {
  background-color: rgba(0, 0, 0, 0.7);
}

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

.page-support__section-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
}

.page-support__paragraph {
  font-size: 1.1em;
  margin-bottom: 20px;
  text-align: justify;
}

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

.page-support__grid-item,
.page-support__channel-card,
.page-support__issue-card,
.page-support__commitment-item {
  background-color: var(--card-bg-dark-mode);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-support__grid-title,
.page-support__channel-title,
.page-support__issue-title,
.page-support__commitment-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-support__channel-icon {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 20px;
  border-radius: 8px;
  object-fit: cover;
  width: 400px; /* Kích thước vùng hiển thị */
  height: 300px;
}

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

.page-support__issue-list {
  list-style: none;
  padding: 0;
  text-align: left;
}

.page-support__issue-list li {
  margin-bottom: 15px;
}

.page-support__issue-list li:last-child {
  margin-bottom: 0;
}

.page-support__issue-subtitle {
  font-size: 1.1em;
  color: var(--secondary-color);
  margin-bottom: 5px;
}

.page-support__issue-card a {
  color: var(--primary-color);
  text-decoration: none;
}

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

.page-support__faq-section {
  background-color: rgba(0, 0, 0, 0.8);
}

.page-support__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

.page-support__faq-item {
  background-color: var(--card-bg-dark-mode);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-support__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--secondary-color);
  background-color: rgba(255, 255, 255, 0.08);
}

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

.page-support__faq-item summary:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

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

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

.page-support__faq-answer {
  padding: 20px;
  padding-top: 0;
  font-size: 1.1em;
  color: var(--text-light);
  text-align: justify;
}

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

.page-support__commitment-item {
  text-align: left;
}

.page-support__cta-bottom {
  margin-top: 60px;
  text-align: center;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-support .text-highlight {
  color: var(--primary-color);
  font-weight: 600;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-support__hero-content {
    max-width: 700px;
  }
  .page-support__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }
  .page-support__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-support {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-support__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }
  .page-support__hero-content {
    padding: 15px;
    width: 95%;
  }
  .page-support__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em) !important;
    margin-bottom: 15px;
  }
  .page-support__intro-text {
    font-size: 1em;
    margin-bottom: 20px;
  }
  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }
  .page-support__btn-primary,
  .page-support__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px !important;
    font-size: 1em !important;
  }

  .page-support__section {
    padding: 40px 0;
  }
  .page-support__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-support__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-support__content-grid,
  .page-support__channels-grid,
  .page-support__issues-grid,
  .page-support__commitment-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-support__grid-item,
  .page-support__channel-card,
  .page-support__issue-card,
  .page-support__commitment-item {
    padding: 20px;
  }

  .page-support__grid-title,
  .page-support__channel-title,
  .page-support__issue-title,
  .page-support__commitment-title {
    font-size: 1.3em;
  }

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

  .page-support__faq-list {
    margin-top: 30px;
  }
  .page-support__faq-item summary {
    font-size: 1.1em;
    padding: 15px;
  }
  .page-support__faq-answer {
    padding: 15px;
    font-size: 1em;
  }

  .page-support__cta-bottom {
    flex-direction: column;
    gap: 15px;
    margin-top: 40px;
    padding: 0 15px;
    box-sizing: border-box;
  }
  .page-support__cta-bottom .page-support__btn-primary,
  .page-support__cta-bottom .page-support__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
  }

  .page-support__video-section {
    padding-top: 10px !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;
  }
}

/* Color Contrast Fixes (if needed, though design aims for contrast) */
.page-support__hero-content .page-support__main-title,
.page-support__hero-content .page-support__intro-text {
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}