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.crumbs{font-size:.82rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:26px 0}.crumbs a{color:var(--ink-2)}.page-mast{border-bottom:1px solid var(--line);padding:32px 0 65px}.page-mast-inner{display:grid;grid-template-columns:1fr .85fr;gap:60px;align-items:center}.page-mast h1{font-size:clamp(2.8rem,5vw,5.3rem);margin:14px 0 18px}.page-mast p{font-size:1.1rem;color:var(--muted);max-width:620px}.page-mast img{width:100%;aspect-ratio:700/450;object-fit:cover}.page-mast .mast-number{font:400 3rem Georgia,serif;color:var(--coral)}.category-section{padding:75px 0}.category-intro{display:grid;grid-template-columns:.4fr 1fr;gap:50px;border-top:2px solid var(--ink);padding-top:25px}.category-intro h2{font-size:1.6rem}.category-intro p{max-width:760px;font-size:1.08rem}.category-variant{background:var(--oat);padding:60px 0}.category-variant .wrap{max-width:1100px}.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.path-block{background:#fff;border-top:4px solid var(--coral);padding:25px;min-height:220px}.path-block b{color:var(--berry);font:400 2.2rem Georgia,serif}.path-block h3{margin:20px 0 8px}.path-block p{color:var(--muted);font-size:.9rem}.variant-doc{display:grid;grid-template-columns:250px 1fr;gap:50px}.variant-doc nav{border-top:2px solid var(--ink);padding-top:15px}.variant-doc nav a{display:block;padding:8px 0}.variant-doc .note{background:#fff;padding:30px;border-left:3px solid var(--berry)}.contrast-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contrast-box{background:#fff;padding:24px;border-top:3px solid var(--berry)}.contrast-box strong{display:block;font-size:1.2rem}.contrast-box p{color:var(--muted);margin:8px 0 0}.topic-index{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.topic-index>div{border-top:2px solid var(--ink);padding-top:15px}.topic-index a{display:block;padding:7px 0}.category-articles{padding:75px 0 90px}.category-articles .article-card-grid{margin:25px 0 30px}.pagination{display:flex;gap:8px;align-items:center;justify-content:center}.pagination button{min-width:44px;min-height:44px;border:1px solid var(--line);background:#fff;color:var(--ink)}.pagination button[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:#fff}.related-categories{display:flex;flex-wrap:wrap;gap:10px}.related-categories a{padding:11px 16px;background:var(--oat);color:var(--ink);text-decoration:none;font-weight:700}.related-categories a:hover{background:var(--coral)}
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@media(max-width:1120px){.main-nav{gap:12px}.main-nav a{font-size:.78rem}.header-inner{gap:15px}.header-actions>a{display:none}.hero-grid{gap:30px}.doc-grid{gap:40px}}@media(max-width:900px){.menu-button{display:grid}.header-inner{min-height:70px}.main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--ink);padding:12px 24px 20px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 14px 20px #24191633}.main-nav.is-open{display:flex}.main-nav a{font-size:1rem;padding:11px 4px;border-bottom:1px solid #685A54}.header-actions{margin-left:auto}.header-actions>a{display:none}.hero-grid,.page-mast-inner,.learning-timeline,.app-editorial{grid-template-columns:1fr}.hero-art{max-width:730px}.quick-grid{grid-template-columns:1fr 1fr}.quick-item:first-child{grid-row:span 2}.quick-item:nth-child(2){grid-column:auto}.quick-item:nth-child(4){grid-column:auto}.split-feature,.app-strip .wrap{grid-template-columns:1fr}.steps,.path-grid{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border:0}.step:nth-child(3){padding-left:0}.doc-grid{grid-template-columns:1fr}.doc-title{position:static}.footer-grid{grid-template-columns:1fr 1fr}.article-layout{width:min(calc(100% - 48px),var(--read));display:block}.article-aside{display:none}.mobile-toc{display:block;margin:0 0 24px;border:1px solid var(--line);background:#fff;padding:14px}.mobile-toc summary{cursor:pointer;font-weight:700}.mobile-toc a{display:block;padding:6px 0}.article-card-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){.wrap{width:min(calc(100% - 32px),var(--max))}.brand{font-size:.9rem}.brand img{width:36px;height:36px}.hero{padding:42px 0 60px}.hero-copy h1{font-size:clamp(2.6rem,12vw,4rem)}.hero-counter{display:none}.hero-caption{font-size:.66rem}.section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:14px}.quick-grid,.twin-grid,.featured-layout,.article-card-grid,.contrast-grid,.topic-index,.app-strip-links,.prev-next,.related-list{grid-template-columns:1fr}.quick-item,.quick-item:first-child{min-height:180px;grid-row:auto}.quick-item:first-child h3{font-size:2rem}.quick-item:nth-child(2),.quick-item:nth-child(4){grid-column:auto}.doc-row{grid-template-columns:50px 1fr}.doc-row>a{grid-column:2}.twin-panel{min-height:310px;padding:27px}.featured-main h3{font-size:1.5rem}.steps,.path-grid{grid-template-columns:1fr}.step,.step:not(:first-child),.step:nth-child(3){border-right:0;border-bottom:1px solid #79685F;padding:22px 0;min-height:auto}.step:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:span 2}.footer-bottom{display:block}.category-intro,.variant-doc{grid-template-columns:1fr;gap:16px}.category-variant{padding:45px 0}.page-mast{padding-bottom:45px}.page-mast-inner{gap:22px}.article-mast h1{font-size:2.35rem}.article-layout{width:calc(100% - 24px);padding:25px 0 60px}.article-body{padding:20px;font-size:1rem}.article-body h2{font-size:1.45rem}.article-body table{display:block;overflow-x:auto}.search-inner{padding:18px}}@media(max-width:380px){.brand span{max-width:82px;line-height:1.15}.header-inner{gap:8px}.header-actions{gap:7px}.hero-copy h1{font-size:2.55rem}.actions .button{width:100%}}
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