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

:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-bg-dark: #08160F;
  --color-card-bg: #11271B;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
}

.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Text Main for general content */
  background-color: var(--color-bg-dark);
}

.page-support__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding as body handles header offset */
  padding-bottom: 60px;
  background-color: var(--color-bg-dark);
  overflow: hidden;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.6); /* Slightly darken image for text readability */
  max-height: 700px;
}

.page-support__hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #ffffff;
  max-width: 90%;
  z-index: 10;
  padding: 20px;
  box-sizing: border-box;
}

.page-support__hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: bold;
  color: var(--color-gold);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-support__hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-main);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 12px 30px;
  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;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-support__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
}

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

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

.page-support__section-spacing {
  padding: 60px 0;
}

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

.page-support__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
  line-height: 1.3;
}

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

.page-support__text-block {
  font-size: 1rem;
  color: var(--color-text-main);
  margin-bottom: 20px;
  text-align: justify;
}

.page-support__faq-section {
  background-color: var(--color-bg-dark);
}

.page-support__faq-category-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.page-support__faq-category {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
}

.page-support__category-title {
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: 25px;
  text-align: center;
}

.page-support__category-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 25px;
  display: block;
  object-fit: cover;
}

.page-support__faq-list {
  margin-top: 20px;
}

.page-support__faq-item {
  margin-bottom: 15px;
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: 15px;
  color: var(--color-text-main);
}

.page-support__faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-support__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 10px 0;
  font-weight: bold;
  font-size: 1.1rem;
  color: var(--color-text-main);
  list-style: none; /* Hide default marker */
}

.page-support__faq-item summary::-webkit-details-marker {
  display: none; /* Hide default marker for webkit browsers */
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.page-support__faq-qtext {
  flex-grow: 1;
  color: var(--color-text-main);
}

.page-support__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--color-secondary);
  transition: transform 0.3s ease;
}

.page-support__faq-item[open] .page-support__faq-toggle {
  transform: rotate(45deg);
}

.page-support__faq-answer {
  padding: 10px 0 0 0;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.page-support__faq-answer p {
  margin-bottom: 10px;
}

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

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

.page-support__contact-methods {
  margin-top: 30px;
  margin-bottom: 40px;
  color: var(--color-text-main);
}

.page-support__contact-methods p {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.page-support__contact-methods a {
  color: var(--color-glow);
  text-decoration: none;
  font-weight: bold;
}

.page-support__contact-methods a:hover {
  text-decoration: underline;
}

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

/* --- Responsive Styles --- */

/* Mobile-first approach, so general styles apply to mobile first */
@media (max-width: 768px) {
  .page-support {
    font-size: 16px;
    line-height: 1.6;
  }

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

  .page-support__hero-content {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    padding: 20px;
    margin-top: -100px; /* Adjust to bring text over image if image is too tall */
  }

  .page-support__hero-image {
    filter: brightness(0.4); /* Darker image for better text contrast on small screens */
    max-height: 400px;
  }

  .page-support__hero-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-support__hero-description {
    font-size: clamp(0.9rem, 3vw, 1.1rem);
    margin-bottom: 20px;
  }

  .page-support__hero-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;
  }

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

  .page-support__container {
    padding: 0 15px;
  }

  .page-support__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 20px;
  }

  .page-support__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-support__faq-category-wrapper {
    grid-template-columns: 1fr;
  }

  .page-support__faq-category {
    padding: 20px;
  }

  .page-support__category-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
  }

  .page-support__category-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-support__faq-item summary {
    font-size: 1rem;
  }

  .page-support__faq-answer {
    font-size: 0.9rem;
  }

  .page-support__contact-cta-section {
    padding: 40px 15px;
  }

  .page-support__contact-methods {
    margin-top: 20px;
    margin-bottom: 30px;
  }

  .page-support__contact-methods p {
    font-size: 1rem;
  }

  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  /* Ensure all images are responsive */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-support__section,
  .page-support__card,
  .page-support__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__hero-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset, tại đây chỉ cần padding nhỏ */
  }

  .page-support__cta-buttons {
    flex-wrap: wrap !important;
    gap: 10px;
  }
}

/* Desktop specific adjustments */
@media (min-width: 769px) {
  .page-support__hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
}

/* Ensure contrast for text on dark backgrounds */
.page-support h1, .page-support h2, .page-support h3 {
  color: var(--color-gold);
}

.page-support p, .page-support li, .page-support__faq-qtext {
  color: var(--color-text-main);
}

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