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

:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-button-gradient-start: #2AD16F;
  --color-button-gradient-end: #13994A;
  --color-card-bg: #11271B;
  --color-background: #08160F;
  --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); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--color-background); /* Nền tối */
}

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

.page-support__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ hơn để body xử lý offset */
  background-color: var(--color-deep-green);
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 30px;
  overflow: hidden;
  border-radius: 10px;
}

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

.page-support__hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 1;
}

.page-support__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  color: var(--color-gold);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: 0.05em;
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-support__description {
  font-size: 1.1rem;
  color: var(--color-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: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  max-width: 100%; /* Đảm bảo nút không tràn */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-support__btn-primary {
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: var(--color-text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-support__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

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

.page-support__btn-secondary:hover {
  background-color: var(--color-button-gradient-start);
  color: var(--color-text-main);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-support__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  text-shadow: 0 0 8px rgba(87, 227, 141, 0.3);
}

.page-support__introduction-section,
.page-support__contact-channels-section,
.page-support__faq-section,
.page-support__security-section,
.page-support__final-cta-section {
  padding: 80px 0;
  background-color: var(--color-background);
}

.page-support__introduction-section,
.page-support__security-section {
  background-color: var(--color-deep-green);
}

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

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

.page-support__channel-card {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
  border: 1px solid var(--color-border);
}

.page-support__channel-card:hover {
  transform: translateY(-5px);
}

.page-support__channel-image {
  width: 100%;
  height: 200px; /* Chiều cao cố định để hình ảnh đồng nhất */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

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

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

.page-support__faq-list {
  margin-top: 40px;
}

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

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15rem;
  color: var(--color-text-main);
  cursor: pointer;
  font-weight: bold;
  background-color: var(--color-card-bg);
  transition: background-color 0.3s ease;
}

.page-support__faq-item[open] > .page-support__faq-question {
  background-color: var(--color-deep-green);
}

.page-support__faq-question:hover {
  background-color: var(--color-deep-green);
}

.page-support__faq-item details > summary {
  list-style: none;
}

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

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

.page-support__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--color-gold);
}

.page-support__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: var(--color-text-secondary);
}

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

.page-support__faq-cta {
  text-align: center;
  margin-top: 30px;
  font-size: 1.1rem;
  color: var(--color-text-main);
}

.page-support__faq-cta a {
  color: var(--color-gold);
  text-decoration: underline;
  font-weight: bold;
}

.page-support__security-image {
  width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

.page-support__btn-large {
  padding: 18px 40px;
  font-size: 1.2rem;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-support__hero-section {
    padding: 40px 20px;
  }

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

  .page-support__description {
    font-size: 1rem;
  }

  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-support__btn-primary,
  .page-support__btn-secondary {
    width: 100%;
  }

  .page-support__channels-grid {
    grid-template-columns: 1fr;
  }

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

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

  .page-support__hero-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }

  .page-support__hero-image-wrapper,
  .page-support__hero-image,
  .page-support__security-image,
  .page-support__channel-image,
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }

  .page-support__container,
  .page-support__section,
  .page-support__card,
  .page-support__cta-buttons,
  .page-support__button-group,
  .page-support__btn-container,
  .page-support__channels-grid,
  .page-support__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .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__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

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

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

  .page-support__faq-toggle {
    font-size: 1.5rem;
  }
}

/* Đảm bảo các video đáp ứng */
.page-support video,
.page-support__video {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

.page-support__video-section,
.page-support__video-container,
.page-support__video-wrapper {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

@media (max-width: 768px) {
  .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;
  }

  .page-support__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}