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

:root {
  --page-support-primary-color: #C61F1F;
  --page-support-secondary-color: #E53030;
  --page-support-background-dark: #140C0C;
  --page-support-card-bg: #2A1212;
  --page-support-text-main: #FFF1E8;
  --page-support-border-color: #6A1E1E;
  --page-support-gold-color: #F3C54D;
  --page-support-deep-red: #7E0D0D;
  --page-support-button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
}

.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--page-support-text-main); /* Mặc định chữ trắng cho nền tối */
  background-color: var(--page-support-background-dark);
}

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

.page-support__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 60px 0; /* body đã có padding-top, đây chỉ là khoảng cách nhỏ */
  background-color: var(--page-support-background-dark);
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 675px; /* Giới hạn chiều cao cho hero image */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  min-height: 200px; /* Đảm bảo kích thước tối thiểu */
}

.page-support__hero-content {
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  z-index: 1;
  color: var(--page-support-text-main);
}

.page-support__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--page-support-gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-support__hero-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--page-support-text-main);
}

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

.page-support__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--page-support-gold-color);
}

.page-support__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: var(--page-support-text-main);
}

.page-support__faq-section {
  padding: 60px 0;
  background-color: var(--page-support-card-bg);
  color: var(--page-support-text-main);
}

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

.page-support__faq-item {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--page-support-border-color);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  color: var(--page-support-text-main);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  background-color: var(--page-support-deep-red);
  color: var(--page-support-text-main);
  transition: background-color 0.3s ease;
  list-style: none; /* For <details> */
}

.page-support__faq-question:hover {
  background-color: var(--page-support-primary-color);
}

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

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

.page-support__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: var(--page-support-text-main);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.page-support__faq-item[open] .page-support__faq-answer {
  max-height: 1000px; /* Đủ lớn để chứa nội dung */
  padding-top: 15px;
}

.page-support__faq-item.active .page-support__faq-answer {
  max-height: 1000px !important;
  padding-top: 15px;
}

.page-support__faq-item.active .page-support__faq-question {
  background-color: var(--page-support-primary-color);
}

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

.page-support__section-cta {
  text-align: center;
  margin-top: 40px;
}

.page-support__guides-section {
  padding: 60px 0;
  background-color: var(--page-support-background-dark);
  color: var(--page-support-text-main);
}

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

.page-support__card {
  background-color: var(--page-support-card-bg);
  border: 1px solid var(--page-support-border-color);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: var(--page-support-text-main);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-height: 450px; /* Đảm bảo chiều cao tối thiểu cho card */
}

.page-support__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-support__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  min-height: 200px; /* Đảm bảo kích thước tối thiểu */
}

.page-support__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 20px 20px 10px 20px;
  color: var(--page-support-gold-color);
}

.page-support__card-title a {
  color: inherit;
  text-decoration: none;
}

.page-support__card-title a:hover {
  text-decoration: underline;
}

.page-support__card-text {
  font-size: 1rem;
  color: var(--page-support-text-main);
  margin: 0 20px 20px 20px;
  flex-grow: 1;
}

.page-support__card-link {
  display: inline-block;
  background: var(--page-support-button-gradient);
  color: var(--page-support-text-main);
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  margin: 0 20px 20px 20px;
  align-self: flex-start;
  transition: opacity 0.3s ease;
}

.page-support__card-link:hover {
  opacity: 0.9;
}

.page-support__security-section {
  padding: 60px 0;
  background-color: var(--page-support-card-bg);
  color: var(--page-support-text-main);
}

.page-support__security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support__security-item {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--page-support-border-color);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--page-support-text-main);
}

.page-support__security-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
  min-width: 200px;
  min-height: 200px;
}

.page-support__item-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--page-support-gold-color);
}

.page-support__item-text {
  font-size: 1rem;
  color: var(--page-support-text-main);
}

.page-support__contact-section {
  padding: 60px 0;
  background-color: var(--page-support-background-dark);
  color: var(--page-support-text-main);
}

.page-support__contact-section .page-support__container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.page-support__contact-content {
  flex: 1;
  min-width: 300px;
}

.page-support__contact-image-wrapper {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.page-support__contact-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 10px;
  display: block;
  margin: 0 auto;
  min-width: 200px;
  min-height: 200px;
}

.page-support__contact-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 30px;
}

.page-support__btn-primary,
.page-support__btn-secondary,
.page-support a[class*="button"],
.page-support a[class*="btn"] {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

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

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

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

.page-support__btn-secondary:hover {
  background: var(--page-support-gold-color);
  color: var(--page-support-background-dark);
  transform: translateY(-2px);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .page-support__hero-content {
    padding: 30px 15px;
  }

  .page-support__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .page-support__section-title {
    font-size: clamp(1.6rem, 4vw, 2.5rem);
  }

  .page-support__guide-cards,
  .page-support__security-grid {
    grid-template-columns: 1fr;
  }

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

  .page-support__contact-content, .page-support__contact-image-wrapper {
    min-width: unset;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .page-support__container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__hero-section {
    padding: 10px 0 40px 0;
  }

  .page-support__hero-image {
    max-height: 400px;
  }

  .page-support__faq-section,
  .page-support__guides-section,
  .page-support__security-section,
  .page-support__contact-section {
    padding: 40px 0;
  }

  .page-support__hero-cta-buttons,
  .page-support__contact-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .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__faq-question {
    padding: 15px 20px;
    font-size: 1rem;
  }

  .page-support__faq-answer {
    padding: 0 20px 15px 20px;
  }

  /* Force responsive images */
  .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__contact-image-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 { /* Video section specific padding, if it were here */
    padding-top: 10px !important;
  }

  /* Ensure content area images are at least 200px wide for display, if they were smaller */
  .page-support__security-icon {
    width: 200px !important;
    height: auto !important; /* Allow height to adjust */
    min-width: 200px !important;
    min-height: 200px !important;
  }

  .page-support__card-image {
    height: auto !important; /* Allow height to adjust */
    min-height: 200px !important;
  }
}