/* style/index.css */

/* Biến CSS */
:root {
  --page-index-primary-color: #003366;
  --page-index-secondary-color: #FFCC00;
  --page-index-light-text: #ffffff;
  --page-index-dark-text: #333333;
  --page-index-bg-light: #f4f7f6;
  --page-index-bg-dark: #002244;
  --page-index-border-color: #e0e0e0;
}

/* Phần chung cho trang chủ */
.page-index {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-index-dark-text);
  background-color: #ffffff;
}

.page-index-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-index-section-padding {
  padding: 80px 0;
}

.page-index-section-title {
  font-size: 2.8em;
  color: var(--page-index-primary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
}

.page-index-sub-title {
  font-size: 2.2em;
  color: var(--page-index-primary-color);
  margin-top: 40px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-index-section-description,
.page-index-paragraph {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: #555;
}

.page-index-paragraph {
  text-align: left;
  margin-bottom: 20px;
}

.page-index-list {
  list-style-type: disc;
  margin: 20px auto;
  padding-left: 40px;
  max-width: 800px;
  text-align: left;
  font-size: 1.1em;
  color: #555;
}

.page-index-list li {
  margin-bottom: 10px;
}

.page-index-text-light {
  color: var(--page-index-light-text) !important;
}

.page-index-text-center {
  text-align: center;
}

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

.page-index-bg-light {
  background-color: var(--page-index-bg-light);
}

.page-index-img-responsive {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-index-img-center {
  margin: 30px auto;
}

/* Nút chung */
.page-index-btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}

.page-index-btn-primary {
  background-color: var(--page-index-secondary-color);
  color: var(--page-index-primary-color);
  border: 2px solid var(--page-index-secondary-color);
}

.page-index-btn-primary:hover {
  background-color: #e6b800;
  border-color: #e6b800;
}

.page-index-btn-secondary {
  background-color: transparent;
  color: var(--page-index-secondary-color);
  border: 2px solid var(--page-index-secondary-color);
  margin-left: 15px;
}

.page-index-btn-secondary:hover {
  background-color: var(--page-index-secondary-color);
  color: var(--page-index-primary-color);
}

.page-index-btn-tertiary {
  background-color: var(--page-index-primary-color);
  color: var(--page-index-light-text);
  border: 2px solid var(--page-index-primary-color);
  margin-left: 15px;
}

.page-index-btn-tertiary:hover {
  background-color: #004488;
  border-color: #004488;
}

.page-index-btn-outline {
  background-color: transparent;
  color: var(--page-index-primary-color);
  border: 2px solid var(--page-index-primary-color);
}

.page-index-btn-outline:hover {
  background-color: var(--page-index-primary-color);
  color: var(--page-index-light-text);
}

.page-index-btn-small {
  padding: 10px 20px;
  font-size: 0.95em;
  border-radius: 5px;
}

.page-index-btn-large {
  padding: 18px 40px;
  font-size: 1.25em;
  border-radius: 10px;
}

.page-index-cta-bottom {
  text-align: center;
  margin-top: 50px;
}

/* Hero Section */
.page-index-hero {
  background: linear-gradient(135deg, var(--page-index-primary-color) 0%, #004488 100%);
  color: var(--page-index-light-text);
  padding: 100px 0;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.page-index-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('[GALLERY:bg:abstract_geometric_pattern,dark_blue,gold_accents]');
  background-size: cover;
  opacity: 0.1;
  z-index: 0;
}

.page-index-hero .page-index-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

.page-index-hero-content {
  flex: 1;
  min-width: 300px;
  margin-right: 40px;
}

.page-index-hero-title {
  font-size: 3.8em;
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--page-index-secondary-color);
}

.page-index-hero-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  line-height: 1.5;
  color: #e0e0e0;
  text-align: left;
  max-width: 700px;
}

.page-index-hero-actions .page-index-btn {
  margin-right: 15px;
  margin-bottom: 15px;
}

.page-index-hero-image {
  flex: 1;
  min-width: 400px;
  text-align: center;
}

.page-index-hero-image img {
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* About Section (features) */
.page-index-about .page-index-section-description {
  margin-bottom: 60px;
}

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

.page-index-feature-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 5px solid var(--page-index-secondary-color);
}

.page-index-feature-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.page-index-feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  filter: drop-shadow(2px 2px 5px rgba(0,0,0,0.2));
}

.page-index-feature-title {
  font-size: 1.6em;
  color: var(--page-index-primary-color);
  margin-bottom: 15px;
}

.page-index-feature-text {
  font-size: 1em;
  color: #666;
}

/* Games Section */
.page-index-games .page-index-section-title,
.page-index-games .page-index-section-description {
  color: var(--page-index-light-text);
}

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

.page-index-game-category-item {
  background-color: #003e7a;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index-game-category-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-index-game-category-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-index-game-category-title {
  font-size: 1.8em;
  margin: 20px 0 10px;
  color: var(--page-index-secondary-color);
}

.page-index-game-category-text {
  font-size: 1em;
  color: #ccc;
  padding: 0 20px 20px;
}

/* Promotions Section */
.page-index-promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index-promo-item {
  background-color: var(--page-index-bg-light);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index-promo-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.page-index-promo-img {
  width: 100%;  height: 250px;
  object-fit: cover;
  display: block;
}

.page-index-promo-title {
  font-size: 1.8em;
  color: var(--page-index-primary-color);
  margin: 25px 0 10px;
  padding: 0 20px;
}

.page-index-promo-text {
  font-size: 1em;
  color: #666;
  padding: 0 20px 25px;
}

/* Registration Section */
.page-index-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index-step-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  position: relative;
  border-bottom: 5px solid var(--page-index-primary-color);
}

.page-index-step-number {
  width: 60px;
  height: 60px;
  background-color: var(--page-index-secondary-color);
  color: var(--page-index-primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2em;
  font-weight: bold;
  margin: -60px auto 20px auto;
  border: 4px solid #ffffff;
  box-shadow: 0 0 0 5px var(--page-index-secondary-color);
}

.page-index-step-item:nth-child(1) .page-index-step-number {
  background-color: var(--page-index-secondary-color);
  box-shadow: 0 0 0 5px var(--page-index-secondary-color);
}
.page-index-step-item:nth-child(2) .page-index-step-number {
  background-color: var(--page-index-secondary-color);
  box-shadow: 0 0 0 5px var(--page-index-secondary-color);
}
.page-index-step-item:nth-child(3) .page-index-step-number {
  background-color: var(--page-index-secondary-color);
  box-shadow: 0 0 0 5px var(--page-index-secondary-color);
}

.page-index-step-title {
  font-size: 1.6em;
  color: var(--page-index-primary-color);
  margin-bottom: 10px;
}

.page-index-step-text {
  font-size: 1em;
  color: #666;
}

/* Deep Content Section */
.page-index-deep-content .page-index-section-title {
  margin-bottom: 50px;
}

/* Testimonials Section */
.page-index-testimonials .page-index-section-description {
  margin-bottom: 60px;
}

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

.page-index-testimonial-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  position: relative;
  border-left: 5px solid var(--page-index-secondary-color);
}

.page-index-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 3px solid var(--page-index-primary-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-index-testimonial-text {
  font-size: 1.1em;
  font-style: italic;
  color: #444;
  margin-bottom: 20px;
}

.page-index-testimonial-author {
  font-weight: bold;
  color: var(--page-index-primary-color);
  font-size: 1em;
}

/* Detail Pages Section */
.page-index-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index-detail-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid var(--page-index-border-color);
}

.page-index-detail-item:hover {
  transform: translateY(-5px);
}

.page-index-detail-title {
  font-size: 1.5em;
  color: var(--page-index-primary-color);
  margin-bottom: 10px;
}

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

.page-index-detail-title a:hover {
  text-decoration: underline;
}

.page-index-detail-description {
  font-size: 0.95em;
  color: #666;
  margin-bottom: 20px;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-index-hero .page-index-container {
    flex-direction: column;
    text-align: center;
  }

  .page-index-hero-content {
    margin-right: 0;
    margin-bottom: 40px;
  }

  .page-index-hero-title {
    font-size: 3em;
  }

  .page-index-hero-description {
    text-align: center;
  }

  .page-index-hero-actions .page-index-btn {
    margin: 0 10px 15px 10px;
  }

  .page-index-hero-image {
    min-width: unset;
  }

  .page-index-section-title {
    font-size: 2.2em;
  }

  .page-index-sub-title {
    font-size: 1.8em;
  }

  .page-index-section-padding {
    padding: 60px 0;
  }
}

@media (max-width: 768px) {
  .page-index-hero-title {
    font-size: 2.5em;
  }

  .page-index-hero-description {
    font-size: 1.1em;
  }

  .page-index-btn {
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-index-btn-secondary, .page-index-btn-tertiary {
    margin-left: 0;
    margin-top: 10px;
  }

  .page-index-section-title {
    font-size: 2em;
  }

  .page-index-sub-title {
    font-size: 1.6em;
  }

  .page-index-features-grid, .page-index-game-categories, .page-index-promo-grid, .page-index-steps-grid, .page-index-testimonial-grid, .page-index-detail-grid {
    grid-template-columns: 1fr;
  }

  .page-index-step-number {
    margin-top: 0;
  }
}

@media (max-width: 480px) {
  .page-index-hero-title {
    font-size: 2em;
  }

  .page-index-hero-description {
    font-size: 1em;
  }

  .page-index-btn {
    display: block;
    width: 100%;
    margin-left: 0 !important;
    margin-right: 0 !important;
    margin-bottom: 15px;
  }

  .page-index-section-title {
    font-size: 1.8em;
  }

  .page-index-sub-title {
    font-size: 1.4em;
  }

  .page-index-section-padding {
    padding: 40px 0;
  }

  .page-index-step-number {
    width: 50px;
    height: 50px;
    font-size: 1.8em;
  }
}