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minmax(0,1fr);align-items:start;gap:clamp(2rem,7vw,6rem);padding-block:clamp(4rem,8vw,7rem);display:grid}.guide-toc{border-top:2px solid var(--ink);padding-top:1rem;position:sticky;top:7rem}.guide-toc>p{color:var(--citrus-dark);letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem;font-size:.7rem;font-weight:850}.guide-toc nav{display:grid}.guide-toc a{border-bottom:1px solid var(--line);color:var(--ink-soft);padding:.5rem 0;font-size:.82rem;text-decoration:none}.guide-toc a:hover{color:var(--citrus-dark)}.guide-content{min-width:0}.guide-content>section{padding:0 0 clamp(4rem,8vw,7rem);scroll-margin-top:7rem}.guide-content>section:last-child{padding-bottom:0}.guide-content h2{max-width:14ch;margin-bottom:1.5rem;font-size:clamp(2.25rem,4.7vw,4.2rem)}.guide-content h3{margin:0 0 .7rem;font-size:1.12rem}.guide-content p{max-width:48rem;color:var(--ink-soft)}.guide-content .intro-copy{max-width:46rem;font-family:var(--serif);font-size:clamp(1.55rem,3vw,2.4rem);line-height:1.25}.source-note{border-left:4px solid var(--sky);background:color-mix(in srgb,var(--sky) 12%,var(--paper));margin-top:1.5rem;padding:1rem 1.15rem;font-size:.86rem}.source-note strong{color:var(--ink)}.source-note a{font-weight:750}.concept-figure{border:1px solid var(--line);background:var(--ink);margin:2rem 0 0}.concept-figure img{width:100%;height:auto;display:block}.concept-figure figcaption{color:#fff;letter-spacing:.08em;text-transform:uppercase;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.35rem 1rem;padding:.7rem 1rem;font-size:.65rem;display:flex}.concept-figure figcaption strong{color:var(--citrus)}.concept-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:2rem;display:grid}.concept-pair .concept-figure{margin:0}.number-bands{border-top:2px solid var(--ink);margin-top:2.5rem}.number-band{border-bottom:1px solid var(--line);grid-template-columns:3.5rem minmax(12rem,.8fr) minmax(0,1.4fr);gap:1.2rem;padding:1.6rem 0;display:grid}.number-band>span{color:var(--citrus-dark);font-family:var(--serif);font-size:1.55rem}.number-band p{margin:0}.fact-grid{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:2rem;display:grid}.fact-grid article{background:var(--paper);min-height:12rem;padding:clamp(1.25rem,3vw,2rem)}.fact-grid article:nth-child(3n+1){box-shadow:inset 5px 0 var(--citrus)}.fact-grid strong{color:var(--ink);font-family:var(--serif);margin-bottom:.8rem;font-size:1.65rem;font-weight:500;line-height:1.1;display:block}.fact-grid p{margin:0}.comparison-wrap{border:1px solid var(--line);width:100%;margin-top:2rem;overflow-x:auto}.comparison{border-collapse:collapse;text-align:left;width:100%;min-width:44rem}.comparison th,.comparison td{border-bottom:1px solid var(--line);vertical-align:top;padding:1rem}.comparison th{background:var(--ink);color:#fff;letter-spacing:.06em;text-transform:uppercase;font-size:.78rem}.comparison td:first-child{color:var(--ink);font-weight:800}.step-list{counter-reset:step;margin:2rem 0 0;padding:0;list-style:none}.step-list li{counter-increment:step;grid-template-columns:4.5rem minmax(0,1fr);gap:1.25rem;padding:0 0 2.5rem;display:grid;position:relative}.step-list li:before{border:2px solid var(--ink);width:3.25rem;height:3.25rem;color:var(--citrus-dark);font-family:var(--serif);content:counter(step,decimal-leading-zero);place-items:center;font-size:1.25rem;display:grid}.step-list li:not(:last-child):after{background:var(--line);content:"";width:1px;position:absolute;top:3.25rem;bottom:0;left:1.55rem}.step-list p{margin:0}.callout{background:var(--ink);color:#fff;padding:clamp(1.75rem,4vw,3.5rem);position:relative}.callout:before{background:var(--citrus);content:"";width:3rem;height:3rem;position:absolute;top:0;right:0}.callout h2,.callout h3,.callout p{color:#fff}.callout a{color:var(--sky);font-weight:750}.check-list{margin:1.5rem 0 0;padding:0;list-style:none}.check-list li{border-bottom:1px solid var(--line);padding:.85rem 0 .85rem 2.2rem;position:relative}.check-list li:before{color:var(--citrus-dark);content:"✓";font-weight:900;position:absolute;left:0}.next-link{background:var(--sky);grid-template-columns:1fr auto;align-items:center;gap:2rem;margin-top:2rem;padding:1.5rem;text-decoration:none;display:grid}.next-link strong{font-family:var(--serif);font-size:clamp(1.4rem,3vw,2.2rem);font-weight:500}.legal-copy h2{margin-top:3.5rem}.legal-copy ul{padding-left:1.2rem}@media (width<=800px){.guide-hero-grid{grid-template-columns:1fr;gap:1.5rem}.guide-hero h1{font-size:clamp(3rem,12vw,5rem)}.guide-shell{grid-template-columns:1fr}.guide-toc{position:static}.guide-toc nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1rem}}@media (width<=560px){.breadcrumb{margin-bottom:2.5rem}.guide-hero h1{font-size:clamp(2.8rem,14vw,4.1rem)}.guide-toc nav{grid-template-columns:1fr}.number-band{grid-template-columns:2.6rem 1fr}.number-band p{grid-column:2}.fact-grid,.concept-pair{grid-template-columns:1fr}.comparison-wrap{border-inline:0;width:calc(100% + 2rem);margin-inline:-1rem}.next-link{grid-template-columns:1fr;gap:.7rem}}