.process-steps { display: flex; flex-direction: row; flex-wrap: wrap; gap: 1.5rem; justify-content: center; }
 .process-step { display: flex; flex-direction: column; align-items: center; text-align: center; flex: 1; min-width: 200px; max-width: 260px; background: var(--white); border: 1px solid var(--border-gray); border-radius: 12px; padding: 1rem; }
 .refinery-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow-sm); }
 .refinery-table th { background: var(--primary-navy); color: var(--white); padding: 14px 16px; text-align: left; font-weight: 600; font-size: 0.875rem; }
 .refinery-table td { padding: 12px 16px; border-bottom: 1px solid var(--border-gray); font-size: 0.875rem; }
 .table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 8px; }
 .calc-box { background: var(--primary-light); border: 1px solid var(--primary-blue); border-radius: 8px; padding: 1rem; margin: 1rem 0; }
 
 .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
 .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; }