/* style/index.css */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #EA7C07;
  --text-color-dark: #333333;
  --text-color-light: #ffffff;
  --background-light: #f9f9f9;
  --background-white: #ffffff;
  --border-color: #e0e0e0;
}

.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color-dark);
  background-color: var(--background-white);
}

.page-index__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-index__section-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-index__section-description {
  font-size: 18px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--text-color-dark);
}

.page-index__center-button {
  text-align: center;
  margin-top: 40px;
}

.page-index__cta-button,
.page-index__btn-quick-access,
.page-index__btn-game-detail,
.page-index__btn-view-all-promos,
.page-index__btn-contact,
.page-index__btn-faq-more,
.page-index__btn-view-all-posts {
  display: inline-block;
  padding: 15px 40px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__cta-button--primary {
  background: var(--primary-color);
  color: var(--text-color-light);
  border: 2px solid var(--primary-color);
  margin-right: 15px;
}

.page-index__cta-button--primary:hover {
  background: #1e87b7;
  border-color: #1e87b7;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-index__cta-button--secondary {
  background: var(--secondary-color);
  color: var(--text-color-light);
  border: 2px solid var(--secondary-color);
}

.page-index__cta-button--secondary:hover {
  background: #c26505;
  border-color: #c26505;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-index__btn-quick-access,
.page-index__btn-game-detail,
.page-index__btn-view-all-promos,
.page-index__btn-contact,
.page-index__btn-faq-more,
.page-index__btn-view-all-posts {
  background: var(--primary-color);
  color: var(--text-color-light);
  border: 2px solid var(--primary-color);
}

.page-index__btn-quick-access:hover,
.page-index__btn-game-detail:hover,
.page-index__btn-view-all-promos:hover,
.page-index__btn-contact:hover,
.page-index__btn-faq-more:hover,
.page-index__btn-view-all-posts:hover {
  background: #1e87b7;
  border-color: #1e87b7;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* HERO主图区域 */
.page-index__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* 小额顶距，由 body padding-top 承担大部分 */
  background-color: var(--primary-color);
  color: var(--text-color-light);
}

.page-index__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.page-index__hero-image {
  width: 100%;
  margin-bottom: 30px;
}

.page-index__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-index__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.page-index__hero-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 15px;
  color: var(--text-color-light);
}

.page-index__hero-description {
  font-size: clamp(16px, 2vw, 20px);
  margin-bottom: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-color-light);
}

.page-index__hero-cta-group {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

/* Giới Thiệu */
.page-index__intro-section {
  padding: 80px 0;
  background-color: var(--background-white);
}

.page-index__intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

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

.page-index__intro-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-index__intro-item-title {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-index__intro-item-text {
  font-size: 16px;
  color: var(--text-color-dark);
}

/* Lối Vào Nhanh & Dự Phòng */
.page-index__quick-access-section {
  padding: 80px 0;
  background-color: var(--primary-color);
  color: var(--text-color-light);
}

.page-index__quick-access-section .page-index__section-title,
.page-index__quick-access-section .page-index__section-description {
  color: var(--text-color-light);
}

.page-index__quick-access-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 50px;
}

.page-index__quick-access-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: background 0.3s ease;
}

.page-index__quick-access-item:hover {
  background: rgba(255, 255, 255, 0.2);
}

.page-index__quick-access-label {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-color-light);
}

.page-index__btn-quick-access {
  padding: 12px 25px;
  font-size: 16px;
  background: var(--secondary-color);
  border-color: var(--secondary-color);
}

.page-index__btn-quick-access:hover {
  background: #c26505;
  border-color: #c26505;
}

/* Giới Thiệu Trò Chơi/Dịch Vụ Cốt Lõi */
.page-index__game-showcase-section {
  padding: 80px 0;
  background-color: var(--background-light);
}

.page-index__game-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__game-card {
  background: var(--background-white);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-index__game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-index__game-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-index__game-card-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-color);
  padding: 20px 20px 10px;
}

.page-index__game-card-description {
  font-size: 15px;
  color: var(--text-color-dark);
  padding: 0 20px 20px;
}

.page-index__btn-game-detail {
  display: block;
  width: calc(100% - 40px);
  margin: 0 20px 20px;
  padding: 12px 20px;
  font-size: 16px;
  border-radius: 8px;
}

/* Khuyến Mãi Hấp Dẫn */
.page-index__promotions-section {
  padding: 80px 0;
  background-color: var(--primary-color);
  color: var(--text-color-light);
}

.page-index__promotions-section .page-index__section-title,
.page-index__promotions-section .page-index__section-description {
  color: var(--text-color-light);
}

.page-index__promo-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__promo-card {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: background 0.3s ease;
}

.page-index__promo-card:hover {
  background: rgba(255, 255, 255, 0.25);
}

.page-index__promo-card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-color-light);
}

.page-index__promo-card-text {
  font-size: 16px;
  color: var(--text-color-light);
}

.page-index__btn-view-all-promos {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
}

.page-index__btn-view-all-promos:hover {
  background: #c26505;
  border-color: #c26505;
}

/* An Toàn & Dịch Vụ Khách Hàng */
.page-index__security-support-section {
  padding: 80px 0;
  background-color: var(--background-white);
}

.page-index__security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__security-item {
  background: var(--background-white);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  border: 1px solid var(--border-color);
}

.page-index__security-item-title {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-index__security-item-text {
  font-size: 16px;
  color: var(--text-color-dark);
}

.page-index__btn-contact {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.page-index__btn-contact:hover {
  background: #1e87b7;
  border-color: #1e87b7;
}

/* Câu Hỏi Thường Gặp (FAQ) */
.page-index__faq-section {
  padding: 80px 0;
  background-color: var(--background-light);
}

.page-index__faq-list {
  margin-top: 50px;
}

details.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--background-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

details.page-index__faq-item summary.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease, color 0.3s ease;
  color: var(--text-color-dark);
}

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

details.page-index__faq-item summary.page-index__faq-question:hover {
  background: var(--background-light);
  color: var(--primary-color);
}

.page-index__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: inherit; /* Kế thừa màu từ summary */
}

.page-index__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-index__faq-item .page-index__faq-answer {
  padding: 0 25px 25px;
  background: var(--background-light);
  border-radius: 0 0 12px 12px;
  color: var(--text-color-dark);
}

details.page-index__faq-item .page-index__faq-answer p {
  margin: 0;
  font-size: 16px;
}

.page-index__btn-faq-more {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.page-index__btn-faq-more:hover {
  background: #1e87b7;
  border-color: #1e87b7;
}

/* Nội Dung Blog Mới Nhất */
.page-index__latest-blog-section {
  padding: 80px 0;
  background-color: var(--background-white);
}

.page-index__blog-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__blog-card {
  background: var(--background-white);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-index__blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-index__blog-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-index__blog-card-content {
  padding: 20px;
}

.page-index__blog-card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-index__blog-card-title a {
  color: var(--primary-color);
  text-decoration: none;
}

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

.page-index__blog-card-date {
  font-size: 14px;
  color: #777;
  margin-bottom: 15px;
}

.page-index__blog-card-excerpt {
  font-size: 15px;
  color: var(--text-color-dark);
}

.page-index__btn-view-all-posts {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.page-index__btn-view-all-posts:hover {
  background: #1e87b7;
  border-color: #1e87b7;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-index__section-title {
    font-size: 32px;
  }
  .page-index__hero-title {
    font-size: clamp(26px, 3.5vw, 42px);
  }
  .page-index__hero-description {
    font-size: clamp(15px, 1.8vw, 18px);
  }
  .page-index__cta-button,
  .page-index__btn-quick-access,
  .page-index__btn-game-detail,
  .page-index__btn-view-all-promos,
  .page-index__btn-contact,
  .page-index__btn-faq-more,
  .page-index__btn-view-all-posts {
    padding: 12px 30px;
    font-size: 16px;
  }
  .page-index__intro-item-title,
  .page-index__quick-access-label,
  .page-index__game-card-title,
  .page-index__promo-card-title,
  .page-index__security-item-title,
  .page-index__blog-card-title {
    font-size: 20px;
  }
  .page-index__faq-qtext {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  .page-index__container {
    padding: 20px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__section-title {
    font-size: 28px;
    margin-bottom: 15px;
  }
  .page-index__section-description {
    font-size: 16px;
    margin-bottom: 30px;
  }
  .page-index__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-index__hero-title {
    font-size: clamp(24px, 7vw, 36px);
  }
  .page-index__hero-description {
    font-size: clamp(14px, 4vw, 16px);
  }
  .page-index__hero-cta-group {
    flex-direction: column;
    gap: 10px;
  }
  .page-index__cta-button--primary,
  .page-index__cta-button--secondary {
    margin-right: 0;
    width: 100% !important;
    max-width: 100% !important;
  }

  .page-index__intro-grid,
  .page-index__quick-access-grid,
  .page-index__game-cards-grid,
  .page-index__promo-cards-grid,
  .page-index__security-grid,
  .page-index__blog-cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-index__intro-item,
  .page-index__quick-access-item,
  .page-index__game-card,
  .page-index__promo-card,
  .page-index__security-item,
  .page-index__blog-card {
    padding: 20px;
    border-radius: 8px;
  }

  .page-index__intro-item-title,
  .page-index__quick-access-label,
  .page-index__game-card-title,
  .page-index__promo-card-title,
  .page-index__security-item-title,
  .page-index__blog-card-title {
    font-size: 18px;
  }

  .page-index__game-card-image {
    height: 180px;
  }

  .page-index__btn-game-detail {
    width: calc(100% - 40px);
    margin: 0 20px 20px;
  }

  details.page-index__faq-item {
    border-radius: 8px;
  }
  details.page-index__faq-item summary.page-index__faq-question {
    padding: 15px 20px;
  }
  .page-index__faq-qtext {
    font-size: 16px;
  }
  .page-index__faq-toggle {
    font-size: 24px;
    width: 24px;
  }
  details.page-index__faq-item .page-index__faq-answer {
    padding: 0 20px 20px;
  }
  .page-index__faq-answer p {
    font-size: 15px;
  }

  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-index__cta-button,
  .page-index__btn-quick-access,
  .page-index__btn-game-detail,
  .page-index__btn-view-all-promos,
  .page-index__btn-contact,
  .page-index__btn-faq-more,
  .page-index__btn-view-all-posts {
    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;
  }
}

@media (max-width: 480px) {
  .page-index__section-title {
    font-size: 24px;
  }
  .page-index__hero-title {
    font-size: clamp(22px, 8vw, 32px);
  }
  .page-index__hero-description {
    font-size: clamp(13px, 5vw, 15px);
  }
  .page-index__intro-item-title,
  .page-index__quick-access-label,
  .page-index__game-card-title,
  .page-index__promo-card-title,
  .page-index__security-item-title,
  .page-index__blog-card-title {
    font-size: 16px;
  }
  .page-index__cta-button,
  .page-index__btn-quick-access,
  .page-index__btn-game-detail,
  .page-index__btn-view-all-promos,
  .page-index__btn-contact,
  .page-index__btn-faq-more,
  .page-index__btn-view-all-posts {
    font-size: 14px;
    padding: 10px 20px;
  }
  .page-index__faq-qtext {
    font-size: 15px;
  }
  .page-index__faq-toggle {
    font-size: 20px;
  }
}