/* style/index.css */
.page-index {
  font-family: 'Arial', sans-serif;
  color: #333;
  line-height: 1.6;
}

.page-index__hero {
  background: linear-gradient(135deg, #003366 0%, #004d99 100%); /* Darker blue gradient */
  color: #fff;
  padding: 80px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.page-index__hero::before {
  content: '';
  position: absolute;
  top: -50px;
  left: -50px;
  width: 200px;
  height: 200px;
  background: rgba(255, 215, 0, 0.1);
  border-radius: 50%;
  filter: blur(50px);
}

.page-index__hero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: rgba(255, 215, 0, 0.15);
  border-radius: 50%;
  filter: blur(60px);
}

.page-index__hero-content {
  max-width: 900px;
  z-index: 1;
}

.page-index__hero-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-index__hero-title .highlight {
  color: #FFD700;
}

.page-index__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  opacity: 0.9;
}

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

.page-index__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  font-size: 1.1em;
  text-align: center;
}

.page-index__btn--primary {
  background-color: #FFD700;
  color: #003366;
  border: 2px solid #FFD700;
}

.page-index__btn--primary:hover {
  background-color: #e6c200;
  border-color: #e6c200;
  transform: translateY(-2px);
}

.page-index__btn--secondary {
  background-color: transparent;
  color: #FFD700;
  border: 2px solid #FFD700;
}

.page-index__btn--secondary:hover {
  background-color: #FFD700;
  color: #003366;
  transform: translateY(-2px);
}

.page-index__hero-image-wrapper {
  width: 100%;
  max-width: 700px;
  margin-top: 40px;
  z-index: 1;
}

.page-index__hero-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-index__section-title {
  font-size: 2.5em;
  color: #003366;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  padding-bottom: 15px;
}

.page-index__section-title .highlight {
  color: #FFD700;
}

.page-index__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #FFD700;
  border-radius: 2px;
}

.page-index__about, .page-index__features, .page-index__detail-pages, .page-index__deep-content, .page-index__cta {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-index__about {
  background-color: #f8f9fa;
  border-radius: 12px;
  margin-top: 40px;
  padding: 60px 40px;
}

.page-index__about-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.page-index__about-text {
  flex: 1;
  min-width: 300px;
  color: #555;
}

.page-index__about-text h2 {
  font-size: 2em;
  color: #003366;
  margin-bottom: 20px;
}

.page-index__about-text p {
  margin-bottom: 15px;
  font-size: 1.05em;
}

.page-index__btn--learn-more {
  background-color: #003366;
  color: #fff;
  border: 2px solid #003366;
  margin-top: 20px;
}

.page-index__btn--learn-more:hover {
  background-color: #004d99;
  border-color: #004d99;
}

.page-index__about-image-wrapper {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.page-index__about-image {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-index__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  text-align: center;
}

.page-index__feature-item {
  background-color: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.page-index__feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  filter: drop-shadow(0 4px 8px rgba(0, 51, 102, 0.2));
}

.page-index__feature-item h3 {
  font-size: 1.5em;
  color: #003366;
  margin-bottom: 15px;
}

.page-index__feature-item p {
  color: #666;
  font-size: 0.95em;
}

.page-index__btn--download {
  background-color: #FFD700;
  color: #003366;
  border: 2px solid #FFD700;
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 0.95em;
}

.page-index__btn--download:hover {
  background-color: #e6c200;
  border-color: #e6c200;
}

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

.page-index__detail-item {
  background-color: #003366;
  color: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease;
}

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

.page-index__detail-item h3 {
  font-size: 1.6em;
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-index__detail-item h3 a {
  color: #FFD700;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-index__detail-item h3 a:hover {
  color: #fff;
}

.page-index__detail-item p {
  font-size: 0.95em;
  opacity: 0.9;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-index__btn--view-detail {
  background-color: #FFD700;
  color: #003366;
  border: 2px solid #FFD700;
  padding: 10px 20px;
  font-size: 0.95em;
  align-self: flex-start;
}

.page-index__btn--view-detail:hover {
  background-color: #e6c200;
  border-color: #e6c200;
}

.page-index__deep-content h2, .page-index__deep-content h3, .page-index__deep-content h4 {
  color: #003366;
  margin-top: 40px;
  margin-bottom: 20px;
  line-height: 1.4;
}

.page-index__deep-content h2 {
  font-size: 2.2em;
}

.page-index__deep-content h3 {
  font-size: 1.8em;
  color: #004d99;
}

.page-index__deep-content h4 {
  font-size: 1.4em;
  color: #0066cc;
}

.page-index__deep-content p {
  margin-bottom: 15px;
  color: #444;
  font-size: 1.05em;
}

.page-index__deep-content ol, .page-index__deep-content ul {
  margin-left: 25px;
  margin-bottom: 20px;
  color: #444;
}

.page-index__deep-content li {
  margin-bottom: 8px;
  font-size: 1.05em;
}

.page-index__content-image {
  width: 100%;
  height: auto;
  max-width: 800px;
  display: block;
  margin: 30px auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.page-index__inline-link {
  color: #003366;
  font-weight: bold;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.page-index__inline-link:hover {
  color: #FFD700;
}

.page-index__cta {
  background: linear-gradient(90deg, #003366 0%, #004d99 100%);
  color: #fff;
  text-align: center;
  padding: 80px 20px;
  border-radius: 12px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  overflow: hidden;
  position: relative;
}

.page-index__cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg width="100%" height="100%" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 L 0 10" fill="none" stroke="%23FFD700" stroke-width="0.5" opacity="0.1"/></pattern><rect width="100%" height="100%" fill="url(%23grid)" /></svg>');
  opacity: 0.1;
  z-index: 0;
}

.page-index__cta-content {
  max-width: 800px;
  z-index: 1;
}

.page-index__cta-title {
  font-size: 2.8em;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  color: #fff;
}

.page-index__cta-title .highlight {
  color: #FFD700;
}

.page-index__cta-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  opacity: 0.9;
}

.page-index__btn--cta {
  background-color: #FFD700;
  color: #003366;
  border: 2px solid #FFD700;
  padding: 18px 40px;
  font-size: 1.3em;
  border-radius: 10px;
}

.page-index__btn--cta:hover {
  background-color: #e6c200;
  border-color: #e6c200;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-index__cta-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  margin-top: 40px;
  z-index: 1;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-index__hero {
    padding: 60px 20px;
  }
  .page-index__hero-title {
    font-size: 2.5em;
  }
  .page-index__hero-description {
    font-size: 1.1em;
  }
  .page-index__section-title {
    font-size: 2em;
    margin-bottom: 40px;
  }
  .page-index__about, .page-index__features, .page-index__detail-pages, .page-index__deep-content, .page-index__cta {
    padding: 60px 20px;
  }
  .page-index__about-grid {
    flex-direction: column;
  }
  .page-index__cta-title {
    font-size: 2.2em;
  }
  .page-index__cta-description {
    font-size: 1.1em;
  }
}

@media (max-width: 768px) {
  .page-index__hero {
    padding: 40px 15px;
  }
  .page-index__hero-title {
    font-size: 2em;
  }
  .page-index__hero-description {
    font-size: 1em;
  }
  .page-index__hero-actions {
    flex-direction: column;
    gap: 15px;
  }
  .page-index__btn {
    padding: 12px 25px;
    font-size: 1em;
    width: 100%;
    max-width: 280px;
  }
  .page-index__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-index__about, .page-index__features, .page-index__detail-pages, .page-index__deep-content, .page-index__cta {
    padding: 40px 15px;
  }
  .page-index__feature-grid, .page-index__detail-grid {
    grid-template-columns: 1fr;
  }
  .page-index__cta-title {
    font-size: 1.8em;
  }
  .page-index__cta-description {
    font-size: 1em;
  }
  .page-index__btn--cta {
    padding: 15px 30px;
    font-size: 1.1em;
  }
  .page-index__deep-content h2 {
    font-size: 2em;
  }
  .page-index__deep-content h3 {
    font-size: 1.6em;
  }
}

@media (max-width: 480px) {
  .page-index__hero-title {
    font-size: 1.8em;
  }
  .page-index__hero-description {
    font-size: 0.95em;
  }
  .page-index__section-title {
    font-size: 1.5em;
  }
  .page-index__deep-content h2 {
    font-size: 1.8em;
  }
  .page-index__deep-content h3 {
    font-size: 1.4em;
  }
  .page-index__cta-title {
    font-size: 1.6em;
  }
}