/* Page-specific styles: kenniscentrum.html */
.knowledge-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 40px;
      margin-top: 40px;
    }

.article-card {
      background-color: rgba(255, 255, 255, 0.03);
      border-radius: var(--border-radius);
      padding: 30px;
      border: 1px solid rgba(61, 245, 165, 0.1);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

.article-card:hover {
      transform: translateY(-10px);
      box-shadow: var(--card-shadow);
      border-color: rgba(61, 245, 165, 0.3);
    }

.article-card h3 {
      color: var(--white);
      margin-bottom: 15px;
      position: relative;
      z-index: 1;
    }

.article-card p {
      color: var(--text-gray);
      margin-bottom: 25px;
      flex-grow: 1;
      position: relative;
      z-index: 1;
    }

.article-card::after {
      content: "";
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(61, 245, 165, 0.08) 0%, rgba(26, 43, 71, 0) 70%);
      opacity: 0;
      transition: var(--transition);
      z-index: 0;
    }

.article-card:hover::after {
      opacity: 1;
    }

.category-badge {
      display: inline-block;
      background-color: rgba(61, 245, 165, 0.1);
      color: var(--accent-green);
      font-size: 0.85rem;
      font-weight: 500;
      padding: 5px 12px;
      border-radius: 20px;
      margin-bottom: 15px;
      border: 1px solid rgba(61, 245, 165, 0.2);
      position: relative;
      z-index: 1;
    }

.btn {
      display: inline-block;
      padding: 10px 25px;
      background-color: var(--accent-green);
      color: var(--dark-text);
      font-size: 1rem;
      font-weight: 600;
      border-radius: 30px;
      transition: var(--transition);
      border: none;
      cursor: pointer;
      text-align: center;
      position: relative;
      z-index: 1;
      align-self: flex-start;
    }

.btn:hover {
      background-color: var(--accent-green-dark);
      color: var(--dark-text);
      transform: translateY(-3px);
      box-shadow: 0 5px 15px rgba(61, 245, 165, 0.3);
    }

.btn i {
      margin-left: 8px;
    }

.search-filter {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      margin-bottom: 40px;
      background-color: rgba(255, 255, 255, 0.03);
      border-radius: var(--border-radius);
      padding: 25px;
      border: 1px solid rgba(61, 245, 165, 0.1);
    }

.search-box {
      flex: 1;
      min-width: 250px;
      position: relative;
    }

.search-box input {
      width: 100%;
      padding: 12px 20px 12px 45px;
      background-color: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 30px;
      color: var(--white);
      font-family: inherit;
      font-size: 1rem;
      transition: var(--transition);
    }

.search-box input:focus {
      outline: none;
      border-color: var(--accent-green);
      background-color: rgba(255, 255, 255, 0.08);
    }

.search-box i {
      position: absolute;
      left: 18px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-gray);
    }

.filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

.filter-tag {
      background-color: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: var(--text-gray);
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 0.9rem;
      cursor: pointer;
      transition: var(--transition);
    }

.filter-tag:hover, .filter-tag.active {
      background-color: rgba(61, 245, 165, 0.1);
      border-color: rgba(61, 245, 165, 0.3);
      color: var(--accent-green);
    }

.no-results {
      display: none;
      text-align: center;
      color: var(--text-gray);
      grid-column: 1 / -1;
      padding: 40px 0;
    }

.articles-detail {
      margin-top: 40px;
      display: flex;
      flex-direction: column;
      gap: 40px;
    }

.article-detail {
      background-color: rgba(255, 255, 255, 0.03);
      border-radius: var(--border-radius);
      padding: 40px;
      border: 1px solid rgba(61, 245, 165, 0.1);
      scroll-margin-top: 100px;
    }

.article-detail h3 {
      color: var(--white);
    }

.article-detail p {
      color: var(--text-gray);
    }

.article-detail ul {
      color: var(--text-gray);
      margin: 0 0 1.5rem 1.3rem;
    }

.article-detail li {
      margin-bottom: 10px;
    }

.article-detail .back-to-top {
      display: inline-block;
      margin-top: 10px;
      font-size: 0.95rem;
    }

@media (max-width: 768px) {
      h1 {
        font-size: 2.5rem;
      }

      h2 {
        font-size: 1.8rem;
      }

      .menu-toggle {
        display: block;
      }

      .nav-links {
        position: fixed;
        background-color: var(--primary-blue);
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 100;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        background-color: rgba(26, 43, 71, 0.95);
        border-bottom: 1px solid rgba(61, 245, 165, 0.1);
      }

      .nav-links.active {
        transform: translateY(0);
      }

      .nav-links li {
        margin: 15px 0;
      }

      header {
        padding: 80px 0;
      }

      .article-detail {
        padding: 25px;
      }

      .btn {
        width: 100%;
      }
    }

.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 1000; background: var(--accent-green); color: var(--primary-blue); padding: .75rem 1rem; border-radius: 6px; font-weight: 700; }

.skip-link:focus { top: 1rem; }

button.filter-tag { font: inherit; }