/* style/support.css */
/* body đã padding-top: var(--header-offset)；trang này cấm viết lại biến đó */

:root {
  --nc88-primary-color: #11A84E;
  --nc88-secondary-color: #22C768;
  --nc88-card-bg: #11271B;
  --nc88-background: #08160F;
  --nc88-text-main: #F2FFF6;
  --nc88-text-secondary: #A7D9B8;
  --nc88-border-color: #2E7A4E;
  --nc88-glow-color: #57E38D;
  --nc88-gold-color: #F2C14E;
  --nc88-divider-color: #1E3A2A;
  --nc88-deep-green: #0A4B2C;
  --nc88-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--nc88-text-main); /* Đảm bảo độ tương phản với nền body */
  background-color: var(--nc88-background);
}

.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;
  padding-top: 10px; /* Chỉ dùng khoảng cách nhỏ, body đã xử lý --header-offset */
  padding-bottom: 60px;
  overflow: hidden;
}

.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;
}

.page-support__hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -150px; /* Kéo nội dung lên trên hình ảnh một chút, không che phủ hoàn toàn */
  background: rgba(8, 22, 15, 0.85); /* Nền tối để chữ nổi bật */
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-support__main-title {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--nc88-gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-support__description {
  font-size: 1.1em;
  color: var(--nc88-text-secondary);
  margin-bottom: 30px;
}

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

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-support__btn-primary {
  background: var(--nc88-button-gradient);
  color: var(--nc88-text-main);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-support__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

.page-support__btn-secondary {
  background: transparent;
  color: var(--nc88-primary-color);
  border: 2px solid var(--nc88-primary-color);
}

.page-support__btn-secondary:hover {
  background: var(--nc88-primary-color);
  color: var(--nc88-text-main);
  transform: translateY(-3px);
}

.page-support__section-title {
  font-size: 2.2em;
  color: var(--nc88-gold-color);
  text-align: center;
  margin-top: 60px;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-support__section-description {
  font-size: 1.05em;
  color: var(--nc88-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-support__faq-section,
.page-support__contact-section,
.page-support__additional-resources {
  padding: 60px 0;
}

.page-support__faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 30px;
}

.page-support__faq-item {
  background-color: var(--nc88-card-bg);
  border-radius: 10px;
  padding: 20px 30px;
  border: 1px solid var(--nc88-border-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  color: var(--nc88-text-main);
}

.page-support__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.2em;
  color: var(--nc88-text-main);
  list-style: none;
  padding-right: 10px; /* Để tránh toggle bị sát mép */
}

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

.page-support__faq-qtext {
  flex-grow: 1;
  color: var(--nc88-text-main);
}

.page-support__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--nc88-primary-color);
}

.page-support__faq-answer {
  padding-top: 15px;
  font-size: 1em;
  color: var(--nc88-text-secondary);
  border-top: 1px solid var(--nc88-divider-color);
  margin-top: 15px;
}

.page-support__faq-answer p {
  margin-bottom: 0;
  color: var(--nc88-text-secondary);
}

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

.page-support__contact-card {
  background-color: var(--nc88-card-bg);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  border: 1px solid var(--nc88-border-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-support__card-title {
  font-size: 1.5em;
  color: var(--nc88-primary-color);
  margin-bottom: 15px;
}

.page-support__contact-card p {
  color: var(--nc88-text-secondary);
  margin-bottom: 25px;
}

.page-support__resource-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.page-support__resource-card {
  background-color: var(--nc88-card-bg);
  border-radius: 10px;
  padding: 25px;
  border: 1px solid var(--nc88-border-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-support__resource-card .page-support__card-title {
  font-size: 1.3em;
  margin-bottom: 10px;
  color: var(--nc88-gold-color);
}

.page-support__resource-card .page-support__card-title a {
  color: var(--nc88-gold-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-support__resource-card .page-support__card-title a:hover {
  color: var(--nc88-primary-color);
  text-decoration: underline;
}

.page-support__resource-card p {
  color: var(--nc88-text-secondary);
  font-size: 0.95em;
}

.page-support__image-wrapper {
  margin-top: 40px;
  text-align: center;
}

.page-support__content-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  display: block;
  margin: 0 auto;
  min-width: 200px;
  min-height: 200px;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-support__main-title {
    font-size: 2em;
  }
  .page-support__section-title {
    font-size: 1.8em;
  }
  .page-support__hero-content {
    margin-top: -100px;
    padding: 30px 15px;
  }
}

@media (max-width: 768px) {
  .page-support__hero-section {
    padding-bottom: 40px;
  }
  .page-support__hero-content {
    margin-top: -80px;
    padding: 25px 15px;
  }
  .page-support__main-title {
    font-size: 1.8em;
  }
  .page-support__description {
    font-size: 1em;
  }
  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-support__btn-primary,
  .page-support__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
  }
  .page-support__section-title {
    font-size: 1.6em;
    margin-top: 40px;
  }
  .page-support__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }
  .page-support__faq-section,
  .page-support__contact-section,
  .page-support__additional-resources {
    padding: 40px 0;
  }
  .page-support__faq-item summary {
    font-size: 1.1em;
  }
  .page-support__faq-answer {
    font-size: 0.95em;
  }
  .page-support__contact-methods {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-support__resource-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* 强制适配 hình ảnh và video */
  .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__section,
  .page-support__card,
  .page-support__container,
  .page-support__video-section,
  .page-support__video-container,
  .page-support__video-wrapper,
  .page-support__cta-buttons,
  .page-support__button-group,
  .page-support__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    overflow: hidden !important;
  }
  .page-support__video-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }
  .page-support__cta-buttons {
    flex-direction: column !important;
    gap: 10px !important;
  }
}

@media (max-width: 480px) {
  .page-support__hero-content {
    margin-top: -60px;
  }
  .page-support__main-title {
    font-size: 1.5em;
  }
  .page-support__section-title {
    font-size: 1.4em;
  }
  .page-support__faq-item summary {
    font-size: 1em;
  }
  .page-support__faq-toggle {
    font-size: 1.2em;
  }
  .page-support__card-title {
    font-size: 1.2em;
  }
}