:root{color-scheme:light;--paper:#fbf6ee;--ink:#3a3029;--muted:#746454;--accent:#994d2f;--wash:#efe4d5;--line:#cabaac;--button:#703d2b}
[data-theme=dark]{color-scheme:dark;--paper:#26221e;--ink:#f5e9d7;--muted:#cbbca8;--accent:#edb28e;--wash:#373029;--line:#746455;--button:#ecc2a2}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:19px/1.75 Georgia,"Times New Roman",serif}h1,h2,h3{font-weight:400;line-height:1.12;letter-spacing:-.025em;margin:0 0 .6em}h1{font-size:clamp(2.7rem,5.3vw,5.15rem)}h2{font-size:clamp(1.9rem,3.5vw,2.6rem)}h3{font-size:1.7rem}p{margin:0 0 1.2em}a{color:var(--accent);text-underline-offset:4px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}img{max-width:100%;height:auto;display:block}ul,ol{padding-left:1.3em}li{margin:0 0 .85em}button,input,select{font:inherit;color:var(--ink)}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:absolute;top:-100px;left:15px;z-index:10;background:var(--paper);padding:12px}.skip-link:focus{top:8px}
.nav-shell{max-width:1260px;margin:auto;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;padding:32px 25px 15px;gap:14px}.brand-lockup{text-align:center;text-decoration:none;color:var(--ink);width:100%;position:relative}.brand-lockup>span{font-size:32px;font-weight:700;letter-spacing:-.05em}.brand-lockup small{display:block;font:11px/1.4 Arial,sans-serif;letter-spacing:.15em;text-transform:uppercase;margin-top:5px;color:var(--muted)}.site-nav{display:flex;align-items:center;justify-content:center;gap:30px}.site-nav a{font:13px/1.5 Arial,sans-serif;display:flex;align-items:center;min-height:44px;color:var(--ink);text-decoration:none}.site-nav a[aria-current=page]{text-decoration:underline}.theme-button{min-height:44px;min-width:44px;border:0;background:transparent;color:var(--ink);font-size:23px;position:absolute;right:40px;top:35px}.menu-button{display:none;min-width:44px;min-height:44px;background:transparent;border:0}.menu-button span:not(.sr-only){display:block;width:19px;height:1px;margin:5px auto;background:var(--ink)}.page-intro{max-width:960px;margin:auto;padding:60px 0 36px}.site-context{font:11px/1.5 Arial,sans-serif;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:24px}.site-context a{color:var(--muted)}.intro-text{font-size:23px;line-height:1.6;color:var(--muted);max-width:780px}.home-page>.page-intro{text-align:center;padding:55px 0 40px;max-width:1060px}.home-page h1{max-width:930px;margin-left:auto;margin-right:auto}.home-page .intro-text{margin-left:auto;margin-right:auto;max-width:700px}.home-page .site-context{display:none}.discovery-search{display:grid;grid-template-columns:minmax(0,1fr) auto;max-width:590px;margin:30px auto 0;text-align:left;font:15px/1.5 Arial,sans-serif}.discovery-search label{grid-column:1/-1;margin-bottom:8px;font-size:12px;color:var(--muted)}.discovery-search input{min-width:0;min-height:50px;border:1px solid var(--line);border-right:0;padding:13px 18px;border-radius:0;background:var(--paper)}.discovery-search input::placeholder{color:var(--muted);opacity:1}.discovery-search button{border:0;border-radius:0;min-height:50px;padding:12px 22px;background:var(--button);color:var(--paper);font-size:13px}.discovery-search>div{grid-column:1/-1;display:flex}.discovery-search>div input{flex:1}
.guide-section{max-width:1140px;margin:0 auto;padding:43px 0}.home-page #spreadsheet{padding-top:25px}.home-page #spreadsheet>h2{text-align:center;font-size:26px;margin-bottom:30px}.category-list{display:grid;grid-template-columns:repeat(4,1fr);gap:24px 32px;margin:25px 0}.category-link{display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--ink);font-size:20px;line-height:1.2}.category-link img{width:92px;height:102px;object-fit:cover;flex-shrink:0;background:var(--wash)}.category-link:hover span{text-decoration:underline;text-underline-offset:4px}.home-page #spreadsheet>p{text-align:center;font-size:16px;margin-top:28px}.lead-story{display:grid;grid-template-columns:1.3fr 1fr;gap:90px;background:var(--wash);max-width:none;padding:65px max(45px,calc((100vw - 1140px)/2));margin:25px 0}.lead-story h2{font-size:40px}.kicker{font:11px/1.5 Arial,sans-serif;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}.reading-list{display:flex;flex-direction:column;justify-content:center;gap:32px}.reading-list a{text-decoration:none;color:var(--ink)}.reading-list small{display:block;color:var(--muted);font:12px/1.5 Arial,sans-serif;margin-bottom:9px}.reading-list strong{display:block;font-size:30px;line-height:1.2;font-weight:400}.reading-list a:hover strong{text-decoration:underline;text-underline-offset:6px}.home-page #review-bench{max-width:800px;padding-top:55px}.home-page #parcel-decisions{max-width:800px}.home-page #route-compass{max-width:800px;padding-top:15px}.review-checklist{margin:26px 0 30px;display:grid;gap:0}.review-checklist label{display:flex;gap:15px;padding:12px 0;align-items:flex-start;font:16px/1.65 Arial,sans-serif;cursor:pointer}.review-checklist input{width:20px;height:20px;flex-shrink:0;accent-color:var(--accent);margin:3px 0}.review-checklist output{font:12px/1.5 Arial,sans-serif;color:var(--muted);margin-top:16px}
.article-page{max-width:960px;margin:auto}.article-page .page-intro{padding:55px 0 25px}.article-page h1{font-size:clamp(2.5rem,4.5vw,4.35rem);max-width:900px}.article-page .guide-section{max-width:750px;margin-left:0;padding:28px 0}.article-page .guide-section h2{font-size:32px}.article-page .guide-section>p:first-of-type{margin-top:14px}.article-page .intro-text{max-width:850px}.answers dt{font-weight:700;font-size:20px;margin:25px 0 8px;line-height:1.4}.answers dd{margin:0 0 24px;color:var(--muted)}body[data-route='/sheet/'] .article-page{max-width:1140px}body[data-route='/sheet/'] .article-page>.page-intro{margin-left:0}.article-page .catalog-section{max-width:none;padding-top:40px}.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 35px}.filter-bar button{font:13px/1.5 Arial,sans-serif;padding:10px 14px;border:0;border-radius:25px;background:var(--wash);min-height:44px}.filter-bar button.is-active{background:var(--button);color:var(--paper)}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px 50px}.product-story{display:grid;grid-template-columns:185px minmax(0,1fr);gap:24px;align-items:start}.product-story img{width:100%;aspect-ratio:1;object-fit:contain;background:white}.product-story h3{font-size:25px}.product-story p{font-size:16px;line-height:1.6;margin-bottom:13px}.product-links{display:flex;flex-direction:column;gap:0;font:12px/1.5 Arial,sans-serif!important}.product-links a{display:inline-flex;align-items:center;min-height:35px}.site-footer{margin-top:55px;background:var(--wash)}.footer-inner{max-width:1140px;margin:auto;padding:46px 0;display:grid;grid-template-columns:1fr 1fr;gap:25px 100px;font:13px/1.7 Arial,sans-serif}.footer-inner strong{font:25px/1.2 Georgia,serif}.footer-inner p{max-width:370px;margin:12px 0}.footer-inner nav{display:flex;flex-direction:column;align-items:flex-start}.footer-inner a{display:inline-flex;align-items:center;min-height:44px}.guide-sitemap{grid-column:1/-1}.guide-sitemap ul{columns:2;max-width:900px}.guide-sitemap li{break-inside:avoid}.guide-sitemap a{min-height:44px}summary{cursor:pointer;min-height:44px;line-height:1.6;padding:12px 0}
@media(max-width:1240px){.guide-section,.footer-inner{margin-left:40px;margin-right:40px}.article-page{padding:0 40px}.article-page .guide-section{margin-left:0;margin-right:0}.home-page>.page-intro{margin-left:40px;margin-right:40px}.category-list{gap:22px}.category-link{gap:12px;font-size:18px}.category-link img{width:75px;height:86px}.lead-story{margin-left:0;margin-right:0;gap:50px}.product-story{grid-template-columns:150px minmax(0,1fr)}.product-grid{gap:45px 35px}}
@media(max-width:950px){.site-nav{gap:20px}.theme-button{right:20px}.category-list{grid-template-columns:repeat(4,1fr)}.category-link{display:block;font-size:17px}.category-link img{width:100%;height:auto;aspect-ratio:1.15;margin-bottom:10px}.product-story{display:block}.product-story img{max-height:280px;margin-bottom:20px}.home-page #review-bench,.home-page #parcel-decisions,.home-page #route-compass{margin-left:40px;margin-right:40px}}
@media(max-width:700px){body{font-size:18px;line-height:1.72}.nav-shell{padding:20px 18px 10px;justify-content:flex-start;gap:5px}.brand-lockup{width:auto;text-align:left;margin-right:auto}.brand-lockup>span{font-size:23px;letter-spacing:-.06em}.brand-lockup small{font-size:8px;letter-spacing:.12em}.theme-button{position:static;min-width:37px;font-size:21px}.menu-button{display:block;min-width:37px}.site-nav{display:none;order:5;width:100%;justify-content:flex-start;flex-wrap:wrap;gap:5px 20px;padding:14px 0 0}.site-nav.is-open{display:flex}.site-nav a{font-size:14px}.page-intro,.home-page>.page-intro{margin:0 23px;padding:34px 0 20px}.home-page h1{font-size:44px;line-height:1.08}.intro-text{font-size:20px}.discovery-search{margin-top:23px}.discovery-search input{padding:12px;min-height:48px}.discovery-search button{padding:12px 16px;min-height:48px}.guide-section,.footer-inner{margin-left:23px;margin-right:23px;padding:30px 0}.category-list{grid-template-columns:1fr 1fr;gap:20px 17px}.category-link{display:flex;gap:11px;font-size:17px;align-items:center}.category-link img{width:65px;height:78px;margin:0}.home-page #spreadsheet>h2{text-align:left;font-size:27px}.home-page #spreadsheet>p{text-align:left}.lead-story{display:block;margin:20px 0;padding:35px 23px}.lead-story h2{font-size:34px}.reading-list{margin-top:35px;gap:26px}.reading-list strong{font-size:27px}.home-page #review-bench,.home-page #parcel-decisions,.home-page #route-compass{margin-left:23px;margin-right:23px;padding:32px 0}.home-page h2{font-size:31px}.article-page{padding:0 23px}.article-page .page-intro{margin:0;padding:36px 0 18px}.article-page h1{font-size:40px}.article-page .guide-section{padding:24px 0}.article-page .guide-section h2{font-size:29px}.site-context{font-size:10px;margin-bottom:20px}.review-checklist label{font-size:15px;padding:11px 0}.product-grid{grid-template-columns:1fr;gap:37px}.product-story{display:grid;grid-template-columns:110px minmax(0,1fr);gap:17px}.product-story img{margin-bottom:0}.product-story h3{font-size:24px}.product-story p{font-size:15px}.filter-bar{gap:7px;margin:22px 0 27px}.filter-bar button{font-size:12px;padding:9px 12px}.product-links a{min-height:44px}.footer-inner{display:block;padding:34px 0}.footer-inner nav{margin-top:24px}.guide-sitemap{margin-top:15px}.guide-sitemap ul{columns:1}.answers dt{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:700px){.category-list{grid-template-columns:repeat(2,minmax(0,1fr))}.category-link{min-width:0;font-size:16px;gap:9px}.category-link img{width:55px;height:68px}.category-link span{min-width:0;overflow-wrap:anywhere}}

.h1-brand{display:block;font:600 12px/1.5 Arial,sans-serif;letter-spacing:.06em;margin:0 0 23px;color:var(--muted)}.h1-message{display:block}

.official-support-logo{width:84px;height:auto;background:#292520;padding:7px;margin-right:10px}.home-page .h1-brand{font-weight:400;letter-spacing:.12em;text-transform:uppercase}

/* Round 5 visible journal chapters */
.home-tagline{font-size:26px;line-height:1.35;color:var(--accent);margin:0 0 25px}.journal-contents{max-width:960px;margin:0 auto 26px;font:14px/1.55 Arial,sans-serif;text-align:center}.journal-contents>span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin:0 0 12px}.journal-contents>div{display:flex;justify-content:center;flex-wrap:wrap;gap:5px 26px}.journal-contents a{display:inline-flex;align-items:center;min-height:44px}.journal-core{max-width:830px;margin:25px auto 45px}.journal-chapter{padding:33px 0}.journal-chapter h2{font-size:38px;margin-bottom:24px}.journal-chapter p,.journal-chapter ol{max-width:760px}.journal-chapter>p:last-child{font-size:16px;margin:24px 0 0}.journal-chapter#first-order{background:var(--wash);padding:35px 40px;margin:20px -40px}.journal-chapter#first-order h2{font-size:38px}.journal-notes{max-width:1140px;margin:25px auto;padding:38px 0}.journal-notes>h2{max-width:760px;font-size:37px;margin-bottom:40px}.note-columns{display:grid;grid-template-columns:1fr 1fr;gap:28px 80px}.journal-note{min-width:0}.journal-note h3{font-size:28px;margin-bottom:16px}.journal-note p{font-size:18px;line-height:1.72}.journal-note>p:last-child{font:14px/1.6 Arial,sans-serif;margin-top:18px}.journal-notes #parcel-decisions{max-width:none;padding:0;margin:0}.journal-notes#dated-notes{background:var(--wash);max-width:none;padding:48px max(40px,calc((100vw - 1140px)/2));margin-bottom:0}.home-page #review-bench{margin-top:30px;margin-bottom:35px}
@media(max-width:1240px){.journal-contents,.journal-notes{margin-left:40px;margin-right:40px}.journal-core{margin-left:auto;margin-right:auto;max-width:calc(100% - 120px)}.journal-notes#dated-notes{margin-left:0;margin-right:0}.note-columns{gap:25px 45px}}
@media(max-width:700px){.home-tagline{font-size:22px}.journal-contents{margin:12px 23px 20px;text-align:left}.journal-contents>div{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}.journal-contents a{line-height:1.45}.journal-core{max-width:none;margin:10px 23px 30px}.journal-chapter{padding:27px 0}.journal-chapter h2,.journal-chapter#first-order h2{font-size:31px}.journal-chapter#first-order{margin:14px -23px;padding:32px 23px}.journal-notes{margin:10px 23px;padding:30px 0}.journal-notes>h2{font-size:32px;margin-bottom:29px}.note-columns{grid-template-columns:1fr;gap:26px}.journal-note h3{font-size:28px}.journal-note p{font-size:18px}.journal-notes#dated-notes{padding:35px 23px}.home-page .journal-notes #parcel-decisions{margin:0;padding:0}.home-page #review-bench{margin-top:15px;margin-bottom:15px}}

.home-page h1>.home-tagline{display:block;margin:22px 0 0;font-weight:400;letter-spacing:0}

@media(max-width:360px){.nav-shell{padding-left:12px;padding-right:12px;gap:2px}.brand-lockup>span{font-size:21px}.menu-button,.theme-button{min-width:35px;padding-left:4px;padding-right:4px}}

/* Final header target-size correction */
.menu-button,.theme-button{min-width:44px;min-height:44px}

/* Round6 Buying Journal: editorial columns, a broad paper feature and reading destinations. */
.journal-overview .page-intro{padding-bottom:25px}.journal-overview #spreadsheet{padding-bottom:28px}.journal-opening{max-width:1060px;margin:28px auto 58px;display:grid;grid-template-columns:1.2fr 1fr;gap:100px}.journal-eyebrow{font:11px/1.5 Arial,sans-serif;letter-spacing:.14em;color:var(--muted);margin-bottom:22px}.journal-opening h2{font-size:34px}.journal-opening p{font-size:19px}.journal-editor article+article{margin-top:34px}.journal-editor #why-spreadsheet h2{font-size:29px}.journal-browsing{padding-top:0}.journal-opening article>a,.journal-purchase article>a{font:14px/1.5 Arial,sans-serif;min-height:44px;display:inline-flex;align-items:center}.journal-opening .journal-find-entry{font:14px/1.6 Arial,sans-serif;margin:22px 0 0}.journal-find-entry a{display:inline-flex;min-height:44px;align-items:center}.journal-purchase{background:var(--wash);padding:48px 40px 55px;margin:0 0 55px}.journal-purchase-inner{max-width:1060px;margin:auto}.journal-agent-lead{max-width:840px;margin:0 auto 36px;text-align:center}.journal-agent-lead h2{font-size:45px}.journal-agent-lead p:not(.journal-eyebrow){font-size:22px;line-height:1.65}.journal-order-columns{display:grid;grid-template-columns:1.3fr 1fr;gap:100px}.journal-order-columns h2{font-size:34px}.journal-order-columns p{font-size:19px}.journal-next{max-width:1060px;margin:0 auto 40px;display:grid;grid-template-columns:1.2fr 1fr;gap:35px 100px}.journal-guide-entry h2{font-size:48px}.journal-next h2 a,.journal-next h3 a{color:var(--ink)}.journal-answer-entries h3{font-size:28px}.journal-answer-entries p{font-size:17px}.journal-answer-entries article+article{margin-top:26px}.journal-footnote{grid-column:1/-1;font:14px/1.6 Arial,sans-serif;margin:0}.journal-footnote a{display:inline-flex;min-height:44px;align-items:center}.journal-page-contents{padding:24px 30px;background:var(--wash);margin:20px 0 28px;font:14px/1.5 Arial,sans-serif}.journal-page-contents strong{font-size:11px;font-weight:400;letter-spacing:.12em;display:block;margin-bottom:12px}.journal-page-contents>div{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}.journal-page-contents a{display:flex;min-height:44px;align-items:center;padding:7px 0}.journal-connections{font:14px/1.6 Arial,sans-serif;margin:0 0 28px}.journal-connections a{display:inline-flex;align-items:center;min-height:44px;margin-right:20px}
@media(max-width:1180px){.journal-opening,.journal-next{margin-left:40px;margin-right:40px;gap:60px}.journal-order-columns{gap:60px}}
@media(max-width:700px){.journal-overview .page-intro{padding-bottom:18px}.journal-overview #spreadsheet{padding-bottom:20px}.journal-opening,.journal-next{display:block;margin:20px 23px 36px}.journal-opening h2{font-size:31px}.journal-editor #why-spreadsheet h2{font-size:29px}.journal-editor article+article{margin-top:27px}.journal-browsing{margin-top:36px}.journal-opening p{font-size:18px}.journal-eyebrow{margin-bottom:17px}.journal-purchase{padding:34px 23px 38px;margin-bottom:35px}.journal-agent-lead{text-align:left;margin-bottom:32px}.journal-agent-lead h2{font-size:37px}.journal-agent-lead p:not(.journal-eyebrow){font-size:20px}.journal-order-columns{display:block}.journal-order-columns h2{font-size:31px}.journal-order-columns p{font-size:18px}.journal-order-columns article+article{margin-top:30px}.journal-guide-entry h2{font-size:40px}.journal-answer-entries{margin-top:33px}.journal-footnote{margin-top:25px}.journal-page-contents{padding:20px;margin-top:10px}.journal-page-contents>div{grid-template-columns:1fr}.journal-next{margin-bottom:20px}}


/* Round6 independent resource destinations: touch-sized title links. */
.journal-answer-entries h3 a{display:inline-flex;align-items:center;min-height:44px}

/* Round7: a visual reading journal; practical scenes have a specific job. */
.journal-photo{margin:0}.journal-photo img{display:block;width:100%;height:auto}.journal-photo figcaption{font:13px/1.7 Arial,sans-serif;color:var(--muted);margin:13px 0 0}.journal-browsing .reference-photo{margin:22px 0 16px}.journal-purchase-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:35px 70px;align-items:center}.journal-agent-lead{text-align:left;max-width:none;margin:0}.journal-order-columns{grid-column:1/-1;margin-top:10px}.journal-next{grid-template-columns:1.2fr 1fr;column-gap:85px;row-gap:25px}.journal-guide-entry{grid-column:1;grid-row:1}.journal-next>.arrival-photo{grid-column:1;grid-row:2}.journal-answer-entries{grid-column:2;grid-row:1/span 2;align-self:center}.journal-footnote{grid-row:3}.journal-step{margin:28px 0 9px}.journal-step>a{display:block;background:#fff}.journal-step img{display:block;width:100%;height:auto}.journal-step figcaption{font:14px/1.75 Arial,sans-serif;color:var(--muted);margin-top:13px}.journal-step figcaption a{min-height:44px;display:inline-flex;align-items:center}.article-page .journal-photo{margin:28px 0}.journal-video{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;margin:30px 0}.journal-video img{display:block;width:100%;height:auto}.journal-video h2{font-size:30px}.journal-video-link{font:15px/1.6 Arial,sans-serif;min-height:44px;display:inline-flex;align-items:center}.journal-video p{font:13px/1.7 Arial,sans-serif;color:var(--muted);margin:6px 0 0}
@media(max-width:1180px){.journal-purchase-inner{column-gap:40px}.journal-next{column-gap:55px}}
@media(max-width:700px){.journal-purchase-inner,.journal-next,.journal-video{display:block}.journal-browsing .reference-photo{margin:22px 0 15px}.journal-agent-lead{margin-bottom:24px}.journal-order-columns{margin-top:30px}.journal-next>.arrival-photo{margin:24px 0 0}.journal-answer-entries{margin-top:31px}.journal-video>div{margin-top:20px}.journal-photo figcaption,.journal-step figcaption{font-size:13px}}