/* Material directory: a consistent icon language, generous rhythm and clear actions. */
#materials{background:#f7f8fa;padding-block:clamp(48px,6vw,96px)}
#materials .section-heading{align-items:flex-end;margin-bottom:36px;gap:32px}
#materials h2{font-size:clamp(30px,3.2vw,48px);letter-spacing:-.035em;line-height:1.3;margin:8px 0 12px}
#materials #materialsTitle .muted{font-size:inherit;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:#7c879c}
#materials .section-heading p{line-height:1.8;color:#64718b}
#categories.category-grid513{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
#categories .category-tile513{display:flex;flex-direction:column;align-items:stretch;text-align:left;min-width:0;min-height:254px;padding:26px;border:1px solid #e2e6ed;border-radius:16px;background:#fff;color:#23336b;box-shadow:none;overflow:hidden;transition:border-color .2s,box-shadow .2s,transform .2s}
#categories .category-top520{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
#categories .category-icon520{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#eef1f8;color:#344782}
#categories .category-icon520 svg{width:29px;height:29px;stroke-width:1.4}
#categories .category-number520{font:400 12px/1 Arial,sans-serif;letter-spacing:.1em;color:#8590a5}
#categories .category-label513{display:block;padding:0;margin:0 0 10px;min-height:0}
#categories .category-label513 b{font-size:17px;line-height:1.5;font-weight:600}
#categories .category-tile513>small{padding:0;margin:0 0 24px;font-size:12px;line-height:1.8;color:#6c7890;min-height:0}
#categories .category-action520{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:17px;border-top:1px solid #edf0f4;font-size:12px;font-weight:600}
#categories .category-action520>span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#f1f3f8;font-size:17px;transition:background .2s,color .2s}
#categories .category-tile513:hover,#categories .category-tile513[aria-expanded=true]{border-color:#8191b8;box-shadow:0 10px 25px #25376b0c;transform:translateY(-3px)}
#categories .category-tile513:hover .category-action520>span,#categories .category-tile513[aria-expanded=true] .category-action520>span{background:#283777;color:#fff}
#categories .category-tile513:focus-visible{outline:3px solid #dca23d;outline-offset:3px}
#categoryExplorer{margin-top:20px;border-radius:16px;border:1px solid #dce2ed;padding:28px;background:#fff}
@media(min-width:1200px){#categories .category-tile513:nth-last-child(-n+2){grid-column:span 2}}
@media(max-width:1199px){#categories.category-grid513{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){#categories.category-grid513{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}#categories .category-tile513{padding:18px;min-height:240px}#categories .category-label513 b{font-size:15px}#categories .category-top520{margin-bottom:20px}}
@media(max-width:380px){#categories .category-tile513{padding:14px}#categories .category-number520{display:none}}
@media(prefers-reduced-motion:reduce){#categories .category-tile513,#categories .category-action520>span{transition:none}#categories .category-tile513:hover{transform:none}}