:root{color-scheme:light;--paper:#fbfaf7;--white:#fff;--ink:#152940;--muted:#596574;--line:#dce1e6;--blue:#174f97;--navy:#142c48;--accent:#e8a15b;--wash:#edf2f8}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.75 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--blue);text-underline-offset:.2em}
a:hover{text-decoration-thickness:2px}
a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:10px;top:10px;background:var(--white);padding:12px;z-index:10}
.wrap{max-width:1240px;margin:auto;padding:0 44px}
.site-header{background:var(--navy);color:white}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:100px}
.brand-lockup{display:flex;align-items:center;gap:26px}
.brand{font:800 40px/1 system-ui,sans-serif;letter-spacing:-2.6px;text-decoration:none;color:var(--ink)}
.brand span{color:var(--accent)}
.site-header .brand{color:white}
.brand-tagline{font-size:12px;letter-spacing:.015em;border-left:1px solid #466078;padding-left:24px;color:#c9d4df}
nav{display:flex;gap:24px;flex-wrap:wrap;font-size:14px}
nav a{text-decoration:none}
.site-header nav a{color:white;font-weight:600}
.eyebrow{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--blue)}
h1,h2,h3{line-height:1.12;letter-spacing:-.035em;overflow-wrap:break-word}
h1{font:600 clamp(38px,5.3vw,70px)/1.07 Georgia,"Times New Roman",serif;letter-spacing:-.045em;margin:18px 0 24px}
h2{font-size:29px;margin:42px 0 18px}
h3{font-size:22px;margin:30px 0 13px}
.hero{padding:62px 0 34px;max-width:940px}
.hero h1{max-width:900px}
.dek{font-size:20px;line-height:1.65;color:var(--muted);max-width:780px;margin:0}
.home-context,.edition-about{max-width:860px;margin:0 0 44px;padding:28px 32px;background:var(--white);border:1px solid var(--line);border-radius:12px}
.home-context h2,.edition-about h2{font:600 28px/1.2 Georgia,"Times New Roman",serif;margin:0 0 14px}
.home-context p,.edition-about p{color:var(--muted);margin:0}
.home-context p+p{margin-top:14px}
.edition-about{margin:56px 0 72px}
.edition-about p+p{margin-top:14px}
.category-nav{gap:12px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:40px}
.category-nav a{padding:6px 16px;background:white;border:1px solid var(--line);border-radius:30px;color:var(--ink);font-weight:600;font-size:12px}
.category-nav a:hover{background:var(--ink);color:white;border-color:var(--ink)}
.section-heading{display:flex;align-items:center;gap:24px;margin-bottom:24px}
.section-heading h2{font-size:19px;letter-spacing:-.02em;margin:0;flex-shrink:0}
.section-line{height:1px;flex:1;background:var(--line)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:0 0 64px}
.card{display:flex;flex-direction:column;min-width:0;padding:30px;background:var(--white);border:1px solid var(--line);border-radius:12px;position:relative;transition:border-color .2s,box-shadow .2s}
.card:hover{border-color:#9fb4cf;box-shadow:0 10px 28px #142c480b}
.card-top{display:flex;justify-content:space-between;align-items:center;gap:20px}
.card-arrow{color:#a7b4c1;font-size:24px}
.card h2{font:600 30px/1.2 Georgia,"Times New Roman",serif;letter-spacing:-.025em;margin:25px 0 16px}
.card h2 a{color:var(--ink);text-decoration:none}
.card h2 a:hover{color:var(--blue)}
.card p{font-size:15px;line-height:1.7;color:var(--muted);margin:0 0 28px}
.card-link{font-size:13px;font-weight:750;text-decoration:none;margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:18px;border-top:1px solid var(--line)}
.featured-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.featured-grid .card:first-child{grid-column:1/-1;background:var(--wash);padding:40px 44px;border-color:#d4dfec;min-height:300px}
.featured-grid .card:first-child h2{max-width:900px;font-size:clamp(32px,3.6vw,47px);line-height:1.12;margin:20px 0}
.featured-grid .card:first-child p{max-width:770px;font-size:17px}
.featured-grid .card:first-child .card-link{max-width:240px;width:100%;border-top-color:#c3d0df}
.article-header{max-width:960px;padding:28px 0 36px}
.breadcrumbs{font-size:12px;color:var(--muted);margin-bottom:34px}
.breadcrumbs a{text-decoration:none}
.article-header h1{font-size:clamp(38px,4.9vw,62px);margin-top:18px}
.article-header .dek{max-width:850px}
.article-meta{display:flex;align-items:center;gap:13px;margin-top:30px}
.author-mark{width:38px;height:38px;display:grid;place-items:center;flex-shrink:0;background:var(--navy);color:var(--accent);border-radius:50%;font-size:23px;font-weight:800;line-height:1;letter-spacing:-2px;padding-right:3px}
.meta{display:flex;flex-direction:column;font-size:12px;line-height:1.7;color:var(--muted);margin:0}
.meta strong{color:var(--ink);font-weight:650}
.small{font-size:12px;color:var(--muted)}
.affiliate-disclosure{font-size:14px;line-height:1.45;color:var(--ink)}
.reading-layout{display:grid;grid-template-columns:minmax(0,780px) minmax(190px,1fr);gap:60px;border-top:1px solid var(--line);padding-top:36px;align-items:start}
.article-body{max-width:780px;min-width:0;font-size:18px;line-height:1.85}
.article-body>p:first-child{margin-top:0;font-size:20px;line-height:1.75;color:#273b51}
.article-body p{margin:20px 0}
.article-body h2{font:600 34px/1.2 Georgia,"Times New Roman",serif;margin-top:48px}
.article-body h3{font-size:22px;line-height:1.35;letter-spacing:-.025em}
.article-body ul,.article-body ol{padding-left:25px}
.article-body li{padding-left:5px;margin:12px 0}
.article-body li::marker{color:var(--blue)}
.article-body strong{font-weight:700;color:var(--ink)}
.sidebar{position:sticky;top:32px;align-self:start;border-left:3px solid var(--accent);padding:5px 0 8px 22px}
.sidebar nav{display:block}
.sidebar h2{font-size:11px;text-transform:uppercase;letter-spacing:.1em;margin:0 0 18px;color:var(--muted)}
.sidebar ol{list-style:none;padding:0;margin:0}
.sidebar li{margin:0 0 14px;line-height:1.5}
.sidebar a{font-size:12px;color:var(--ink);display:block}
.sidebar a:hover{color:var(--blue);text-decoration:underline}
.table-wrap{overflow-x:auto;margin:32px 0;max-width:100%;border:1px solid var(--line);border-radius:9px;background:white}
table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.65;text-align:left}
th,td{padding:17px 18px;vertical-align:top;border-bottom:1px solid var(--line);min-width:135px}
th{background:var(--navy);color:white;font-size:12px;font-weight:650}
tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#f4f7fa}
.offers{display:grid;gap:18px;margin-top:24px}
.offer{border:1px solid var(--line);border-radius:10px;padding:26px;background:var(--white)}
.offer h3{margin:0 0 8px;font-size:23px}
.offer .eyebrow{margin:0 0 12px}
.offer .variant{margin:0 0 12px;line-height:1.6}
.offer .decision-summary{font-size:15px;line-height:1.65;margin:12px 0}
.offer dl{display:grid;grid-template-columns:1fr 1.4fr;gap:9px 20px;font-size:13px;line-height:1.6;border-top:1px solid var(--line);padding-top:16px;margin:18px 0}
.offer dt{color:var(--muted)}
.offer dd{margin:0;font-weight:600}
.merchant-links{display:flex;gap:10px;flex-wrap:wrap}
.merchant{display:inline-block;padding:12px 17px;background:var(--blue);border-radius:5px;color:white;text-decoration:none;margin-top:12px;font-size:13px;font-weight:650;line-height:1.5}
.merchant:hover{background:var(--navy)}
.sources{font-size:13px;line-height:1.7;overflow-wrap:anywhere}
.sources li{margin:10px 0}
.related{border-top:1px solid var(--line);margin-top:64px;padding-top:8px}
.related>h2{font-size:23px;margin-bottom:25px}
.policy{max-width:760px;padding:50px 0 70px}
.policy h1{font-size:clamp(36px,4vw,52px)}
.site-footer{border-top:1px solid var(--line);margin-top:80px;padding:40px 0 24px;background:#f0f2f4;color:var(--muted);font-size:12px}
.footer-top{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px}
.footer-top .brand{font-size:32px}
.site-footer nav{font-size:12px;gap:14px 24px;margin-bottom:24px}
.site-footer nav a{color:var(--muted)}
.editions{font-size:12px;text-align:right;position:relative}
.editions summary{cursor:pointer;list-style:none;padding:9px 12px;border:1px solid #c9d1da;border-radius:5px;background:var(--white);color:var(--ink)}
.editions summary:after{content:' ⌄';padding-left:12px}
.editions nav{display:flex;flex-direction:column;gap:10px;background:white;padding:16px;min-width:160px;margin:8px 0 0;border:1px solid var(--line);border-radius:5px;position:absolute;bottom:100%;right:0;box-shadow:0 5px 20px #142c4810}
.edition-hero{padding:76px 0 44px}
.edition-hero h1{font-size:clamp(46px,7vw,87px);max-width:900px}
.edition-hero h1 span{color:#ba642a}
.edition-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:12px 0 80px}
.edition-card{display:flex;flex-direction:column;padding:30px;background:var(--white);border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--ink);transition:background .2s,border-color .2s}
.edition-card:hover{background:var(--wash);border-color:#9fb4cf}
.edition-card h2{font:600 31px/1.2 Georgia,serif;margin:24px 0 16px}
.edition-card p{font-size:15px;color:var(--muted);margin:0 0 40px}
.edition-cta{font-size:12px;font-weight:700;color:var(--blue);display:flex;justify-content:space-between;gap:12px;margin-top:auto}
.callout{padding:24px;background:var(--wash);border-left:3px solid var(--blue);margin:28px 0}
.badge{display:inline-block;background:var(--wash);padding:4px 9px;border-radius:4px;font-size:11px;font-weight:700}
@media(max-width:1000px){.brand-tagline{display:none}
.reading-layout{gap:32px;grid-template-columns:minmax(0,1fr) 190px}
.wrap{padding:0 30px}
.edition-card{padding:24px}
.edition-card h2{font-size:27px}
}
@media(max-width:760px){.wrap{padding:0 22px}
.site-header .wrap{min-height:80px;gap:20px}
.brand{font-size:33px}
.site-header nav{gap:18px;font-size:12px}
.hero{padding:38px 0 28px}
.hero h1{font-size:44px}
.dek{font-size:18px}
.category-nav{gap:9px;margin-bottom:30px;padding:16px 0}
.category-nav a{font-size:11px;padding:5px 11px}
.grid,.featured-grid{grid-template-columns:1fr;gap:18px;margin-bottom:40px}
.featured-grid .card:first-child{grid-column:auto;padding:26px;min-height:0}
.featured-grid .card:first-child h2{font-size:33px}
.featured-grid .card:first-child p{font-size:15px}
.card{padding:25px}
.card h2{font-size:28px}
.article-header{padding:22px 0 28px}
.breadcrumbs{font-size:11px;margin-bottom:25px}
.article-header h1{font-size:39px}
.article-meta{margin-top:24px}
.reading-layout{display:flex;flex-direction:column;gap:30px;padding-top:24px}
.sidebar{position:static;order:-1;width:100%;border-left:0;border-bottom:1px solid var(--line);padding:0 0 18px}
.sidebar nav{display:block}
.sidebar ol{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
.sidebar li{margin-bottom:10px}
.sidebar h2{margin-bottom:12px}
.sidebar a{font-size:11px}
.article-body{font-size:17px;line-height:1.8;width:100%}
.article-body>p:first-child{font-size:18px}
.article-body h2{font-size:29px;margin-top:38px}
.article-body h3{font-size:21px}
.offer{padding:21px}
.offer h3{font-size:21px}
.offer dl{grid-template-columns:1fr 1.2fr;gap:8px 14px}
.merchant{font-size:12px}
.edition-hero{padding:45px 0 28px}
.edition-grid{grid-template-columns:1fr;gap:16px;margin-bottom:40px}
.edition-card{padding:24px}
.edition-card h2{margin:14px 0 10px}
.edition-card p{margin-bottom:24px}
.edition-hero h1{font-size:58px}
.site-footer{margin-top:48px;padding-top:30px}
.footer-top{align-items:flex-start;gap:16px}
.editions summary{font-size:10px}
.site-footer nav{gap:12px 18px;font-size:11px}
.section-heading h2{font-size:17px}
.related{margin-top:45px}
.related .card h2{font-size:27px}
}
@media(max-width:380px){.wrap{padding:0 17px}
.site-header nav{gap:12px;font-size:11px}
.article-header h1{font-size:35px}
.hero h1{font-size:38px}
.sidebar ol{grid-template-columns:1fr}
.footer-top{flex-direction:column;gap:20px}
.edition-hero h1{font-size:48px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}
}


/* Reading revision: compact entry, optional navigation, mobile comparisons. */
.article-header{max-width:880px;padding:26px 0 24px}
.article-header .breadcrumbs{margin-bottom:20px}
.article-header h1{font-size:clamp(34px,4.4vw,56px);line-height:1.1;margin:0 0 18px;text-wrap:balance}
.article-header .dek{font-size:19px;line-height:1.55;max-width:760px}
.article-meta{margin-top:20px}
.article-meta .meta{flex-direction:row;flex-wrap:wrap;gap:6px 18px}
.reading-layout{grid-template-columns:minmax(0,720px) minmax(190px,1fr);gap:64px;padding-top:28px}
.article-body{max-width:720px;font-size:18px;line-height:1.8}
.article-body>p:first-child{font-size:19px;line-height:1.7}
.article-body h2{scroll-margin-top:24px}
.mobile-toc,.cell-label{display:none}
.table-wrap{border-radius:0}
th:first-child{width:28%}
tbody td:first-child{font-weight:650;color:var(--ink)}
@media(max-width:1000px){.reading-layout{gap:32px;grid-template-columns:minmax(0,1fr) 185px}}
@media(max-width:760px){
.site-header .wrap{min-height:64px}
.site-header .brand{font-size:30px}
.article-header{padding:18px 0 20px}
.article-header .breadcrumbs{margin-bottom:16px;font-size:11px}
.article-header h1{font-size:32px;line-height:1.13;letter-spacing:-.035em;text-wrap:pretty;margin-bottom:14px}
.article-header .dek{font-size:16px;line-height:1.55}
.article-meta{margin-top:16px}
.article-meta .meta{font-size:11px;gap:4px 14px}
.mobile-toc{display:block;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.mobile-toc summary{padding:13px 0;font-size:13px;font-weight:650;cursor:pointer}
.mobile-toc nav{display:block;padding:0 0 14px}
.mobile-toc ol{margin:0;padding-left:20px;font-size:13px}
.mobile-toc li{margin:10px 0;line-height:1.5}
.reading-layout{display:block;padding-top:23px;border-top:0}
.sidebar{display:none}
.article-body{font-size:17px;line-height:1.75}
.article-body>p:first-child{font-size:18px;line-height:1.65}
.article-body h2{font-size:27px;line-height:1.2}
.table-wrap{border:0;overflow:visible;background:transparent}
table,tbody,tr,td{display:block;width:100%}
thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
tbody tr{margin:0 0 16px;border:1px solid var(--line);background:white!important}
tbody td{min-width:0;padding:12px 18px;border:0;font-size:15px;line-height:1.6}
tbody td:first-child{padding:16px 18px;background:var(--wash);font-size:17px;border-bottom:1px solid var(--line)}
tbody td:last-child{padding-bottom:18px}
.cell-label{display:block;font-size:10px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:5px}
}

/* Edition front pages: article-led hierarchy with original topic diagrams. */
.home-intro{max-width:none;padding:32px 0 26px;display:grid;grid-template-columns:1fr 1fr;gap:10px 48px;align-items:end}
.home-intro .eyebrow{grid-column:1/-1}
.home-intro h1{font-size:44px;margin:6px 0 0;max-width:580px;line-height:1.08}
.home-intro .dek{font-size:16px;line-height:1.6;max-width:490px}
.home-intro+.category-nav{padding:16px 0;margin-bottom:28px}
.card{padding:0;overflow:hidden;border-radius:3px}
.card-visual{overflow:hidden;background:#f0eee4}
.card-visual img{display:block;width:100%;height:220px;object-fit:contain}
.card-copy{padding:26px;display:flex;flex-direction:column;flex:1}
.card-copy h2{margin:15px 0 14px}
.card-copy p{margin-bottom:22px}
.card-arrow{display:none}
.featured-grid .card:first-child{display:grid;grid-template-columns:1fr 1fr;min-height:0;padding:0;background:white;border-color:var(--line)}
.featured-grid .card:first-child .card-visual{display:flex;align-items:center}
.featured-grid .card:first-child .card-visual img{height:100%;max-height:410px;min-height:290px}
.featured-grid .card:first-child .card-copy{padding:32px}
.featured-grid .card:first-child h2{font-size:35px;margin:18px 0}
.featured-grid .card:first-child p{font-size:15px}
.featured-grid .card:first-child .card-link{max-width:none}
.related .card-visual img{height:170px}
@media(max-width:760px){
.home-intro{display:block;padding:24px 0 20px}
.home-intro h1{font-size:34px;margin:10px 0 12px}
.home-intro .dek{font-size:15px;line-height:1.55}
.home-intro+.category-nav{margin-bottom:24px}
.featured-grid .card:first-child{display:flex;padding:0}
.card-visual img,.featured-grid .card:first-child .card-visual img{height:190px;min-height:0;max-height:none}
.card-copy,.featured-grid .card:first-child .card-copy{padding:22px}
.featured-grid .card:first-child h2,.card-copy h2{font-size:28px;margin:12px 0}
.card-copy p{font-size:14px}
.related .card-visual img{height:150px}
}
@media(max-width:760px){.home-intro .dek{display:none}.home-intro{padding-bottom:12px}.home-intro h1{margin-bottom:6px}}

.consent-panel{position:fixed;bottom:16px;left:16px;z-index:100;max-width:440px;width:calc(100% - 32px);background:#fff;color:#162d47;border:1px solid #9eacba;border-radius:6px;padding:16px;box-shadow:0 4px 24px #162d4726;font-size:14px;line-height:1.45}.consent-panel[hidden],.consent-panel [hidden]{display:none}.consent-panel p{font-size:14px;line-height:1.45;margin:8px 0}.consent-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.consent-actions button{font:inherit;border:1px solid #8495a6;background:#fff;color:#162d47;padding:7px 11px;border-radius:4px;cursor:pointer}.consent-reopen{font:inherit;color:inherit;background:transparent;border:0;padding:0;text-decoration:underline;cursor:pointer}.consent-panel input{accent-color:#162d47}.consent-panel button:focus-visible,.consent-reopen:focus-visible{outline:3px solid #cd7a30;outline-offset:3px}

.tool-invitation{margin:48px 0;padding:32px;border:1px solid var(--line);border-radius:16px;background:var(--paper)}
.tool-invitation h2{margin:12px 0;max-width:28ch;font-size:clamp(1.55rem,3vw,2.1rem)}
.tool-invitation p{max-width:65ch;margin:0 0 20px}
@media(max-width:600px){.tool-invitation{padding:24px}}

/* One buying destination per product; inline references lead to that destination. */
.product-reference{font-weight:650;text-decoration-style:dotted;text-decoration-thickness:1px;text-underline-offset:.2em}
.product-reference:hover{text-decoration-style:solid}
.buying-options{margin:44px 0;scroll-margin-top:24px}
.article-body .buying-options>h2{margin:0 0 12px}
.article-body .buying-options>.affiliate-disclosure{font-size:14px;line-height:1.5;margin:0 0 20px;color:var(--muted)}
.buying-options .offers{margin-top:16px}
.offer{scroll-margin-top:24px}
.offer-compact{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px 24px;align-items:center;padding:22px 24px}
.offer-compact h3{font-size:20px;line-height:1.35;margin:0}
.offer .variant{font-size:14px;line-height:1.5;color:var(--muted);margin:8px 0 0}
.merchant-links{align-items:center;gap:8px 12px}
.offer-compact .merchant-links{max-width:260px}
.merchant{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 18px;margin:0;font-size:15px;font-weight:700;line-height:1.4;text-align:center;text-decoration:none;border-radius:6px}
.affiliate-label{display:inline-block;font-size:12px;line-height:1.4;color:var(--muted);white-space:nowrap}
.merchant-inline+.affiliate-label{margin-left:.3em}
@media(max-width:760px){
 .buying-options{margin:36px 0}
 .offer-compact{grid-template-columns:1fr;gap:16px;padding:20px}
 .offer-compact h3{font-size:20px}
 .offer-compact .merchant-links{max-width:none}
 .merchant-links .merchant{flex:1 1 auto;min-height:48px}
 .merchant-links .affiliate-label{flex:0 0 auto}
 .article-body .buying-options>.affiliate-disclosure{font-size:14px;line-height:1.5}
}