/* Knowledge Base */
.hero--small {
  padding: 120px 0 40px;
}

.search-box {
  max-width: 500px;
  margin: 24px auto 0;
}

.search-input {
  width: 100%;
  padding: 14px 20px;
  border: 2px solid var(--gray-200);
  border-radius: 50px;
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}

/* Article Grid */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.article-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  border-left: 4px solid var(--purple);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.article-card-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.article-card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.article-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.article-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 12px;
}

.article-card-meta {
  font-size: 0.8rem;
  color: var(--gray-400);
  font-weight: 600;
}

/* Article View */
.btn-back {
  margin-bottom: 32px;
  font-size: 0.9rem;
  padding: 10px 20px;
}

.article-content {
  max-width: 760px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 48px;
}

.article-content h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
  line-height: 1.3;
}

.article-meta {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-100);
}

.article-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--purple-dark);
  margin: 32px 0 12px;
}

.article-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin: 24px 0 8px;
}

.article-content p {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.article-content ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.7;
}

.article-content ul li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

.article-content blockquote {
  border-left: 4px solid var(--purple-light);
  background: var(--gray-50);
  padding: 16px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
  font-style: italic;
  color: var(--gray-600);
}

.article-content .highlight-box {
  background: linear-gradient(135deg, #ede9fe, #dbeafe);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 24px 0;
}

.article-content .highlight-box h3 {
  color: var(--purple-dark);
  margin-top: 0;
}

.article-content .highlight-box p {
  margin-bottom: 0;
}

.no-results {
  text-align: center;
  color: var(--gray-400);
  font-size: 1.05rem;
  padding: 40px 0;
}

@media (max-width: 768px) {
  .article-grid {
    grid-template-columns: 1fr;
  }

  .article-content {
    padding: 24px 20px;
  }

  .article-content h1 {
    font-size: 1.4rem;
  }
}