/* Hero Section */
.hero {
  background: var(--primary-color-gradient);
  color: var(--text-color-alt);
  padding: 60px 20px;
  margin-top: 6.5rem;
  text-align: center;
}

.hero-container {
  max-width: 800px;
  margin: 0 auto;
}

.notice-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
}

.hero .date {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 20px;
}

/* Article Section */
.article-section {
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 20px;
}

.article-content {
  background: var(--background);
  padding: 50px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.article-content h2 {
  font-size: 28px;
  color: var(--text-color);
  margin-bottom: 20px;
  margin-top: 40px;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-gray);
  margin-bottom: 20px;
}

.article-content strong {
  color: var(--text-color);
  font-weight: 600;
}

/* Feature Highlights */
.feature-highlights {
  background: var(--bg-light);
  padding: 40px;
  border-radius: 8px;
  margin: 40px 0;
}

.feature-highlights h3 {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 25px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 30px;
}

.feature-item {
  text-align: center;
  padding: 20px;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: var(--text-color-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  margin: 0 auto 15px;
}

.feature-item h4 {
  font-size: 18px;
  color: var(--text-color);
  margin-bottom: 10px;
}

.feature-item p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.6;
}

/* Call to Action */
.cta-box {
  background: var(--primary-color-gradient);
  color: var(--text-color-alt);
  padding: 40px;
  border-radius: 8px;
  text-align: center;
  margin: 40px 0;
}

.cta-box h3 {
  font-size: 24px;
  margin-bottom: 15px;
}

.cta-box p {
  font-size: 16px;
  margin-bottom: 25px;
  opacity: 0.95;
}

.btn-primary {
  display: inline-block;
  background: var(--text-color-alt);
  color: var(--primary-color);
  padding: 12px 35px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  background: var(--background);
}

/* Timeline */
.timeline {
  margin: 40px 0;
}

.timeline-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-light);
}

.timeline-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.timeline-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: var(--text-color-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.timeline-content h4 {
  font-size: 18px;
  color: var(--text-color);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 15px;
  color: var(--text-gray);
  margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .article-content {
    padding: 40px 30px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 40px 20px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .notice-badge {
    font-size: 12px;
    padding: 6px 15px;
  }

  .hero .date {
    font-size: 14px;
  }

  .article-section {
    margin: 40px auto;
  }

  .article-content {
    padding: 30px 20px;
  }

  .article-content h2 {
    font-size: 24px;
    margin-top: 30px;
  }

  .article-content p {
    font-size: 15px;
  }

  .feature-highlights {
    padding: 30px 20px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-highlights h3 {
    font-size: 20px;
  }

  .timeline-item {
    gap: 15px;
  }

  .timeline-icon {
    width: 35px;
    height: 35px;
    font-size: 16px;
  }

  .timeline-content h4 {
    font-size: 16px;
  }

  .timeline-content p {
    font-size: 14px;
  }

  .cta-box {
    padding: 30px 20px;
  }

  .cta-box h3 {
    font-size: 20px;
  }

  .cta-box p {
    font-size: 15px;
  }

  .btn-primary {
    padding: 10px 25px;
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 26px;
  }

  .article-content h2 {
    font-size: 20px;
  }

  .article-content {
    padding: 25px 15px;
  }

  .feature-highlights {
    padding: 25px 15px;
  }

  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }

  .feature-item h4 {
    font-size: 16px;
  }

  .cta-box {
    padding: 25px 15px;
  }

  .timeline-item {
    gap: 12px;
  }

  .timeline-icon {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }
}