.research-grid {
 display: grid;
 grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
 gap: 1rem;
 }
 .research-card {
 background: var(--white);
 border: 1px solid var(--border-gray);
 border-radius: 12px;
 padding: 1rem;
 transition: all 0.3s ease;
 display: flex;
 flex-direction: column;
 }
 .research-card:hover {
 box-shadow: var(--shadow-md);
 transform: translateY(-4px);
 border-color: var(--primary-blue);
 }
 .research-card .category-tag {
 display: inline-block;
 background: var(--primary-light);
 color: var(--primary-blue);
 padding: 0.35rem 0.75rem;
 border-radius: 4px;
 font-size: 0.75rem;
 font-weight: 600;
 text-transform: uppercase;
 letter-spacing: 0.5px;
 margin-bottom: 1rem;
 }
 .research-card h3 {
 color: var(--primary-navy);
 font-size: 1.25rem;
 margin-bottom: 0.75rem;
 line-height: 1.4;
 }
 .research-card .abstract {
 color: var(--text-medium);
 font-size: 0.9375rem;
 line-height: 1.7;
 margin-bottom: 0.75rem;
 flex-grow: 1;
 }
 .research-card .meta {
 display: flex;
 flex-wrap: wrap;
 gap: 1rem;
 font-size: 0.875rem;
 color: var(--text-light);
 margin-bottom: 1.25rem;
 padding-top: 1rem;
 border-top: 1px solid var(--border-gray);
 }
 .research-card .meta span {
 display: flex;
 align-items: center;
 gap: 0.4rem;
 }
 .research-card .meta i {
 color: var(--primary-blue);
 }
 .research-card .keywords {
 display: flex;
 flex-wrap: wrap;
 gap: 0.5rem;
 margin-bottom: 1.25rem;
 }
 .research-card .keywords span {
 background: var(--light-gray);
 color: var(--text-medium);
 padding: 0.25rem 0.6rem;
 border-radius: 4px;
 font-size: 0.75rem;
 }
 .research-card .read-more {
 display: inline-flex;
 align-items: center;
 gap: 0.5rem;
 color: var(--primary-blue);
 font-weight: 600;
 font-size: 0.9375rem;
 text-decoration: none;
 transition: all 0.3s ease;
 }
 .research-card .read-more:hover {
 color: var(--primary-navy);
 }
 .research-card .read-more i {
 transition: transform 0.3s ease;
 }
 .research-card .read-more:hover i {
 transform: translateX(4px);
 }
 .filter-bar {
 background: var(--light-gray);
 padding: 1.25rem 1.5rem;
 border-radius: 8px;
 margin-bottom: 1.25rem;
 display: flex;
 flex-wrap: wrap;
 gap: 1rem;
 align-items: center;
 }
 .filter-bar label {
 font-weight: 600;
 color: var(--primary-navy);
 font-size: 0.9375rem;
 }
 .filter-bar .filter-options {
 display: flex;
 flex-wrap: wrap;
 gap: 0.5rem;
 }
 .filter-bar .filter-btn {
 background: var(--white);
 border: 1px solid var(--border-gray);
 color: var(--text-medium);
 padding: 0.5rem 1rem;
 border-radius: 6px;
 font-size: 0.875rem;
 cursor: pointer;
 transition: all 0.3s ease;
 }
 .filter-bar .filter-btn:hover,
 .filter-bar .filter-btn.active {
 background: var(--primary-blue);
 color: var(--white);
 border-color: var(--primary-blue);
 }
 .research-intro {
 background: var(--light-gray);
 padding: 1rem;
 border-radius: 8px;
 margin-bottom: 1.25rem;
 }
 .research-intro p {
 color: var(--text-medium);
 line-height: 1.7;
 margin: 0;
 }
 @media (max-width: 768px) {
 .research-grid {
 grid-template-columns: 1fr;
 }
 }
 .hero-features {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 14px;
 margin-top: 2.5rem;
 }
 .hero-feature-item {
 background: rgba(255,255,255,0.1);
 border-radius: 12px;
 padding: 14px;
 text-align: center;
 transition: all 0.3s ease;
 }
 .hero-feature-item:hover {
 background: rgba(255,255,255,0.15);
 transform: translateY(-4px);
 }
 .hero-feature-item i {
 font-size: 2rem;
 color: var(--accent-gold);
 margin-bottom: 12px;
 }
 .hero-feature-item h4 {
 color: var(--white);
 font-size: 1rem;
 margin-bottom: 4px;
 }
 .hero-feature-item p {
 color: rgba(255,255,255,0.7);
 font-size: 0.875rem;
 margin: 0;
 }
 @media (max-width: 992px) {
 .hero-features { grid-template-columns: repeat(2, 1fr); }
 }
 @media (max-width: 768px) {
 .hero-features { grid-template-columns: 1fr; gap: 16px; }
 .hero-feature-item { padding: 14px; }
 }

.hero-features a.hero-feature-item { transition: all 0.3s ease; }
.hero-features a.hero-feature-item:hover { transform: translateY(-4px); background: rgba(255,255,255,0.15); }
.hero-features a.hero-feature-item:hover h4 { color: #8a6d1c; }