/* style/index.css */

/* Biến CSS cho màu sắc */
:root {
  --page-index-primary-color: #0A2239;
  --page-index-secondary-color: #FFD700;
  --page-index-accent-color: #DC143C;
  --page-index-text-light: #F8F8F8;
  --page-index-text-dark: #333333;
  --page-index-background-light: #FFFFFF;
  --page-index-background-dark: #1a1a1a;
  --page-index-card-bg: #1e3a51;
  --page-index-border-color: rgba(255, 255, 255, 0.1);
}

.page-index {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--page-index-text-dark);
  background-color: var(--page-index-background-light);
}

.page-index section {
  padding: 60px 20px;
  margin: 0 auto;
  max-width: 1200px;
  text-align: center;
}

.page-index h1,
.page-index h2,
.page-index h3 {
  color: var(--page-index-primary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-index h1 {
  font-size: 3.2em;
  color: var(--page-index-secondary-color);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-index h2 {
  font-size: 2.5em;
  margin-top: 40px;
}

.page-index h3 {
  font-size: 1.8em;
  margin-top: 30px;
}

.page-index p {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: var(--page-index-text-dark);
}

.page-index ul {
  list-style-type: disc;
  text-align: left;
  margin: 20px auto;
  padding-left: 40px;
  max-width: 800px;
  color: var(--page-index-text-dark);
}

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

.page-index-btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.2s ease;
  cursor: pointer;
  border: none;
}

.page-index-btn-primary {
  background-color: var(--page-index-accent-color);
  color: var(--page-index-text-light);
  box-shadow: 0 4px 15px rgba(220, 20, 60, 0.4);
}

.page-index-btn-primary:hover {
  background-color: #c01234;
  transform: translateY(-2px);
}

.page-index-btn-secondary {
  background-color: transparent;
  color: var(--page-index-primary-color);
  border: 2px solid var(--page-index-primary-color);
  margin-left: 20px;
}

.page-index-btn-secondary:hover {
  background-color: var(--page-index-primary-color);
  color: var(--page-index-text-light);
  transform: translateY(-2px);
}

.page-index-text-link {
  color: var(--page-index-accent-color);
  text-decoration: none;
  font-weight: bold;
}

.page-index-text-link:hover {
  text-decoration: underline;
}

/* Hero Section */
.page-index-hero {
  background: linear-gradient(135deg, var(--page-index-primary-color) 0%, #1e3a51 100%);
  color: var(--page-index-text-light);
  padding: 100px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 40px;
  min-height: 60vh;
}

.page-index-hero-content {
  max-width: 800px;
}

.page-index-hero h1 {
  color: var(--page-index-secondary-color);
  font-size: 3.8em;
  margin-bottom: 20px;
}

.page-index-hero p {
  font-size: 1.3em;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

.page-index-hero-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-index-hero-actions .page-index-btn-secondary {
  color: var(--page-index-secondary-color);
  border-color: var(--page-index-secondary-color);
}

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

.page-index-hero-image-wrapper {
  max-width: 600px;
  margin-top: 40px;
}

.page-index-hero-image {
  width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* About Section */
.page-index-about {
  background-color: var(--page-index-background-light);
}

.page-index-about h2 {
  color: var(--page-index-primary-color);
}

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

.page-index-about-item {
  background-color: var(--page-index-card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  color: var(--page-index-text-light);
}

.page-index-about-item h3 {
  color: var(--page-index-secondary-color);
  margin-top: 15px;
  font-size: 1.5em;
}

.page-index-about-item p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1em;
}

.page-index-about-icon {
  width: 70px;
  height: 70px;
  object-fit: contain;
}

/* Featured Platforms */
.page-index-featured-platforms {
  background-color: var(--page-index-background-dark);
  color: var(--page-index-text-light);
}

.page-index-featured-platforms h2 {
  color: var(--page-index-secondary-color);
}

.page-index-featured-platforms p {
  color: rgba(255, 255, 255, 0.8);
}

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

.page-index-platform-card {
  background-color: var(--page-index-card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  min-height: 320px;
}

.page-index-platform-card h3 {
  color: var(--page-index-secondary-color);
  margin-top: 15px;
  font-size: 1.6em;
}

.page-index-platform-card p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-index-platform-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 15px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 10px;
}

/* Deep Content Section */
.page-index-deep-content {
  background-color: var(--page-index-background-light);
  text-align: left;
}

.page-index-deep-content h2,
.page-index-deep-content h3,
.page-index-deep-content h4 {
  color: var(--page-index-primary-color);
  text-align: center;
}

.page-index-deep-content p,
.page-index-deep-content ul li {
  color: var(--page-index-text-dark);
  margin-bottom: 15px;
}

.page-index-deep-content strong {
  color: var(--page-index-accent-color);
}

.page-index-deep-content ul {
  list-style-type: square;
  padding-left: 20px;
  margin-bottom: 20px;
}

.page-index-deep-content ul li {
  margin-bottom: 8px;
}

/* Related Pages Section */
.page-index-related-pages {
  background-color: var(--page-index-card-bg);
  color: var(--page-index-text-light);
}

.page-index-related-pages h2 {
  color: var(--page-index-secondary-color);
}

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

.page-index-detail-card {
  background-color: var(--page-index-primary-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 250px;
}

.page-index-detail-card h3 {
  color: var(--page-index-secondary-color);
  font-size: 1.6em;
  margin-bottom: 15px;
}

.page-index-detail-card h3 a {
  color: var(--page-index-secondary-color);
  text-decoration: none;
}

.page-index-detail-card h3 a:hover {
  text-decoration: underline;
}

.page-index-detail-card p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-index-detail-card .page-index-btn {
  align-self: flex-start;
  background-color: var(--page-index-accent-color);
  color: var(--page-index-text-light);
  padding: 10px 20px;
  font-size: 1em;
}

.page-index-detail-card .page-index-btn:hover {
  background-color: #c01234;
}

/* CTA Bottom */
.page-index-cta-bottom {
  background-color: var(--page-index-primary-color);
  color: var(--page-index-text-light);
  padding: 80px 20px;
}

.page-index-cta-bottom h2 {
  color: var(--page-index-secondary-color);
  font-size: 2.8em;
}

.page-index-cta-bottom p {
  font-size: 1.2em;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-index-hero h1 {
    font-size: 3em;
  }
  .page-index-hero p {
    font-size: 1.1em;
  }
  .page-index h2 {
    font-size: 2em;
  }
  .page-index h3 {
    font-size: 1.6em;
  }
  .page-index section {
    padding: 40px 15px;
  }
}

@media (max-width: 768px) {
  .page-index-hero {
    flex-direction: column;
  }
  .page-index-hero h1 {
    font-size: 2.5em;
  }
  .page-index-hero p {
    font-size: 1em;
  }
  .page-index-hero-actions {
    flex-direction: column;
    gap: 15px;
  }
  .page-index-btn-secondary {
    margin-left: 0;
  }
  .page-index-about-grid,
  .page-index-platform-grid,
  .page-index-detail-list {
    grid-template-columns: 1fr;
  }
  .page-index-cta-bottom h2 {
    font-size: 2.2em;
  }
  .page-index-cta-bottom p {
    font-size: 1.1em;
  }
}

@media (max-width: 480px) {
  .page-index-hero h1 {
    font-size: 2em;
  }
  .page-index-hero p {
    font-size: 0.95em;
  }
  .page-index h2 {
    font-size: 1.8em;
  }
  .page-index h3 {
    font-size: 1.4em;
  }
  .page-index-btn {
    padding: 12px 20px;
    font-size: 1em;
  }
}