/* style/support.css */

/* Biến màu sắc */
:root {
  --page-support-primary-color: #FFD700; /* Vàng */
  --page-support-secondary-color: #1A202C; /* Xanh đậm/Đen */
  --page-support-text-light: #ffffff;
  --page-support-text-dark: #333333;
  --page-support-bg-dark: var(--dark-bg-1, #1A202C); /* Sử dụng biến từ shared.css hoặc màu mặc định */
  --page-support-bg-light: #f8f8f8;
  --page-support-card-bg: rgba(255, 255, 255, 0.1);
  --page-support-border-color: rgba(255, 255, 255, 0.2);
}

/* Toàn bộ trang support */
.page-support {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-support-text-light); /* Màu chữ sáng vì body background là dark */
  background-color: var(--page-support-bg-dark);
  padding-bottom: 50px; /* Khoảng cách với footer */
}

/* Đảm bảo nội dung không bị che bởi header cố định */
.page-support__intro-section {
  padding-top: 120px; /* Khoảng cách cho header cố định trên desktop */
  background: var(--page-support-secondary-color);
  padding-bottom: 60px;
}

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

/* Tiêu đề chính */
.page-support__main-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--page-support-primary-color);
  text-align: center;
  margin-bottom: 25px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Đoạn giới thiệu */
.page-support__intro-text {
  font-size: 18px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: var(--page-support-text-light);
}

/* Link trong văn bản */
.page-support__link-inline {
  color: var(--page-support-primary-color);
  text-decoration: underline;
  transition: color 0.3s ease;
}

.page-support__link-inline:hover {
  color: #fff;
}

/* CTA giới thiệu */
.page-support__contact-cta {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* Nút chính */
.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;
  font-size: 16px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
}

.page-support__btn-primary {
  background-color: var(--page-support-primary-color);
  color: var(--page-support-secondary-color); /* Vàng trên nền xanh/đen */
  border-color: var(--page-support-primary-color);
}

.page-support__btn-primary:hover {
  background-color: #fff;
  color: var(--page-support-secondary-color);
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(255, 215, 0, 0.4);
}

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

.page-support__btn-secondary:hover {
  background-color: var(--page-support-primary-color);
  color: var(--page-support-secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(255, 215, 0, 0.4);
}

.page-support__btn-small {
  padding: 8px 18px;
  font-size: 14px;
  border-radius: 6px;
  background-color: var(--page-support-primary-color);
  color: var(--page-support-secondary-color);
  border-color: var(--page-support-primary-color);
}

.page-support__btn-small:hover {
  background-color: #fff;
  color: var(--page-support-secondary-color);
  border-color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

/* Tiêu đề phần */
.page-support__section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--page-support-primary-color);
  text-align: center;
  margin: 80px 0 20px 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-support__section-description {
  font-size: 17px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
  color: var(--page-support-text-light);
}

/* Phần FAQ */
.page-support__faq-section {
  padding: 60px 0;
  background-color: var(--page-support-bg-dark);
}

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

.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05); /* Nền hơi trong suốt */
  border: 1px solid var(--page-support-border-color);
}

.page-support__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 25px;
  opacity: 0;
  color: var(--page-support-text-light);
}

.page-support__faq-item.active .page-support__faq-answer {
  max-height: 2000px !important;
  padding: 20px 25px !important;
  opacity: 1;
  background: rgba(255, 255, 255, 0.1); /* Nền hơi sáng hơn khi mở */
  border-top: 1px solid var(--page-support-border-color);
  border-radius: 0 0 8px 8px;
}

.page-support__faq-answer p {
  margin: 0;
  font-size: 16px;
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: rgba(255, 255, 255, 0.08); /* Nền hơi trong suốt */
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
  color: var(--page-support-text-light);
}

.page-support__faq-question:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--page-support-primary-color);
}

.page-support__faq-question:active {
  background: rgba(255, 255, 255, 0.2);
}

.page-support__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none;
  color: var(--page-support-text-light);
}

.page-support__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: var(--page-support-primary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
}

.page-support__faq-item.active .page-support__faq-toggle {
  color: var(--page-support-text-light);
  transform: rotate(45deg); /* Thêm hiệu ứng xoay cho dấu trừ */
}

/* Phần liên hệ */
.page-support__contact-section {
  padding: 60px 0;
  background-color: var(--page-support-secondary-color);
}

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

.page-support__contact-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--page-support-border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--page-support-text-light);
}

.page-support__contact-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  border-color: var(--page-support-primary-color);
}

.page-support__contact-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-support__card-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--page-support-primary-color);
  margin-bottom: 15px;
}

.page-support__card-text {
  font-size: 16px;
  margin-bottom: 25px;
  color: var(--page-support-text-light);
}

/* Phần hướng dẫn game */
.page-support__guides-section {
  padding: 60px 0;
  background-color: var(--page-support-bg-dark);
}

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

.page-support__guide-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--page-support-border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--page-support-text-light);
  text-align: center;
  display: flex;
  flex-direction: column;
}

.page-support__guide-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  border-color: var(--page-support-primary-color);
}

.page-support__guide-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 20px;
}

.page-support__guide-card .page-support__card-title {
  font-size: 20px;
  margin-top: 0;
  padding: 0 20px;
}

.page-support__guide-card .page-support__card-text {
  flex-grow: 1;
  padding: 0 20px;
  margin-bottom: 20px;
}

.page-support__guide-card .page-support__btn-small {
  margin: 0 auto 20px auto;
}

/* Phần an toàn và trách nhiệm */
.page-support__security-responsible-section {
  padding: 60px 0;
  background-color: var(--page-support-secondary-color);
}

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

.page-support__security-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--page-support-border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--page-support-text-light);
}

.page-support__security-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  border-color: var(--page-support-primary-color);
}

.page-support__security-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-support__security-item .page-support__card-title {
  font-size: 22px;
  margin-bottom: 15px;
}

.page-support__security-item .page-support__card-text {
  font-size: 16px;
}

.page-support__security-cta {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* Phần quảng bá di động */
.page-support__mobile-promo-section {
  padding: 60px 0;
  background-color: var(--page-support-bg-dark);
}

.page-support__mobile-promo-content {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-top: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.page-support__mobile-app-image {
  width: 400px;
  height: auto;
  max-width: 100%;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  object-fit: contain;
}

.page-support__mobile-promo-text {
  flex: 1;
  min-width: 300px;
  color: var(--page-support-text-light);
}

.page-support__mobile-promo-text h3 {
  font-size: 28px;
  color: var(--page-support-primary-color);
  margin-bottom: 20px;
}

.page-support__mobile-promo-text p {
  font-size: 17px;
  margin-bottom: 30px;
}

/* Responsive */
@media (max-width: 1024px) {
  .page-support__main-title {
    font-size: 36px;
  }

  .page-support__section-title {
    font-size: 30px;
  }

  .page-support__contact-methods,
  .page-support__game-guides-grid,
  .page-support__security-content {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }

  .page-support__mobile-promo-content {
    flex-direction: column;
    text-align: center;
  }

  .page-support__mobile-app-image {
    width: 300px;
  }
}

@media (max-width: 768px) {
  .page-support__intro-section {
    padding-top: 100px; /* Khoảng cách cho header cố định trên mobile */
    padding-bottom: 40px;
  }

  .page-support__main-title {
    font-size: 28px;
    margin-bottom: 15px;
  }

  .page-support__intro-text {
    font-size: 16px;
    margin-bottom: 30px;
  }

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

  .page-support__btn-primary,
  .page-support__btn-secondary {
    width: 100%;
    padding: 10px 20px;
    font-size: 15px;
  }

  .page-support__section-title {
    font-size: 26px;
    margin: 60px 0 15px 0;
  }

  .page-support__section-description {
    font-size: 15px;
    margin-bottom: 30px;
  }

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

  .page-support__faq-question h3 {
    font-size: 16px;
  }

  .page-support__faq-toggle {
    font-size: 24px;
    width: 25px;
    height: 25px;
  }

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

  .page-support__faq-item.active .page-support__faq-answer {
    padding: 15px 20px !important;
  }

  .page-support__contact-methods,
  .page-support__game-guides-grid,
  .page-support__security-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-support__contact-card,
  .page-support__guide-card,
  .page-support__security-item {
    padding: 25px;
  }

  .page-support__contact-icon,
  .page-support__security-icon {
    width: 70px;
    height: 70px;
  }

  .page-support__card-title {
    font-size: 20px;
  }

  .page-support__card-text {
    font-size: 15px;
  }

  .page-support__guide-image {
    height: 180px;
  }

  .page-support__security-cta {
    flex-direction: column;
    gap: 15px;
  }

  .page-support__mobile-promo-content {
    gap: 30px;
  }

  .page-support__mobile-promo-text h3 {
    font-size: 24px;
  }

  .page-support__mobile-promo-text p {
    font-size: 16px;
  }

  /* Tất cả hình ảnh phải thích ứng với màn hình di động */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__contact-card,
  .page-support__guide-card,
  .page-support__security-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}

@media (max-width: 480px) {
  .page-support__main-title {
    font-size: 24px;
  }

  .page-support__section-title {
    font-size: 22px;
  }

  .page-support__faq-question h3 {
    font-size: 15px;
  }

  .page-support__faq-toggle {
    font-size: 22px;
  }

  .page-support__contact-icon,
  .page-support__security-icon {
    width: 60px;
    height: 60px;
  }
}