.doc-hero{background:linear-gradient(135deg,#0b1f35,#083375)}.doc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:18px;gap:18px}.doc-grid article{padding:24px}.doc-grid h3{font-size:1.2rem}.sample-request img{border-radius:var(--radius);box-shadow:var(--shadow-soft)}