.article-page .nav a[aria-current="location"] { text-decoration: underline; text-underline-offset: .35em; }
.article-state { padding: 14em 0 8em; min-height: 60vh; }
.article-state a { display: inline-block; margin-top: 2em; }
.article-header { padding: 12.25em 0 3.5em; text-align: center; }
.article-header h1 { font-family: 'Rg Standardbook', Arial, sans-serif; font-size: 4em; font-weight: 400; letter-spacing: -.023em; line-height: 1; margin: .55em auto .4em; max-width: 18em; overflow-wrap: anywhere; }
.article-header > p:last-child { max-width: 32em; font-size: 1.25em; line-height: 1.2; font-weight: 300; letter-spacing: -.025em; margin: 0 auto; color: #6b7280; }
.article-image { display: block; width: 100%; object-fit: cover; background: #f3f4f6; }
#article-cover .article-image, .article-banner .article-image { aspect-ratio: 1320 / 787; }
.article-meta { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5em; padding: 5.5em 0 0; margin: 0; }
.article-meta dt { text-transform: uppercase; color: #6b7280; font-size: .875em; margin-bottom: .6em; }
.article-meta dd { margin: 0; font-size: 1em; font-weight: 300; }
.article-layout { display: grid; grid-template-columns: 21.875em minmax(0,1fr); gap: 3.5em; margin-top: 13em; align-items: start; }
.article-sidebar { align-self: stretch; }
.article-sidebar-inner { position: sticky; top: 8em; border: 1px solid #e5e7eb; padding: 2em; }
.article-sidebar ol { list-style: none; margin: 1.5em 0 0; padding: 0; counter-reset: section; }
.article-sidebar li { counter-increment: section; }
.article-sidebar li a { display: flex; gap: 1.2em; padding: .8em 0 .8em 1em; border-left: 2px solid transparent; font-size: .875em; font-weight: 300; line-height: 1.45; text-decoration: none; }
.article-sidebar li a::before { content: counter(section,decimal-leading-zero); color: #737373; }
.article-sidebar li a[aria-current="location"] { border-color: #8170c6; background: #f7f6fa; }
.article-share { margin-top: 3em; }
.article-share [data-share-links] { display: flex; flex-direction: column; gap: .7em; margin-top: 1.1em; }
.article-share a, .article-share button { border: 0; background: none; padding: 0; font: inherit; font-weight: 300; text-align: left; cursor: pointer; text-decoration: none; width: fit-content; }
.article-share a:hover, .article-share button:hover { text-decoration: underline; }
.article-sidebar-cta { border-top: 1px solid #e5e7eb; margin-top: 2.5em; padding-top: 2em; }
.article-sidebar-cta > p:nth-child(2) { font-size: .875em; line-height: 1.45; margin: 1em 0 1.5em; color: #6b7280; }
.article-button { display: inline-flex; align-items: center; gap: 2em; padding: 1em 1.15em; background: #111; color: #fff; text-transform: uppercase; font-size: .875em; text-decoration: none; }
.article-button:hover { background: #444; }
.article-body { min-width: 0; font-weight: 300; }
.article-body > :first-child { margin-top: 0; }
.article-body p, .article-body li, .article-summary-text { font-size: 1.25em; line-height: 1.3; letter-spacing: -.025em; }
.article-body p { margin: 0 0 1.5em; }
.article-body h2 { font-size: 2em; font-weight: 400; line-height: 1.2; margin: 1.6em 0 1.1em; scroll-margin-top: 5em; }
.article-body h3 { font-size: 1.5em; font-weight: 400; text-transform: uppercase; margin: 2.3em 0 1.4em; scroll-margin-top: 6em; }
.article-body h4 { font-size: .875em; font-weight: 300; color: #6b7280; text-transform: uppercase; margin: 3em 0; }
.article-body ul, .article-body ol { padding-left: 1.5em; margin: 1.5em 0; }
.article-body li { margin-bottom: .5em; }
.article-body li li { font-size: 1em; }
.article-body li ul, .article-body li ol { margin-block: .5em; }
.article-body a { text-decoration: underline; text-underline-offset: .15em; }
.article-body blockquote { border-left: 2px solid #8170c6; padding-left: 1.5em; margin: 2em 0; font-size: 1.5em; line-height: 1.4; }
.article-body figure { margin: 3em 0; }
.article-body figure .article-image { aspect-ratio: 914 / 550; }
.article-body figcaption { color: #6b7280; font-size: .875em; margin-top: .8em; }
.article-metrics { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.5em; margin: 3em 0; }
.article-metrics strong { display: block; font-family: 'Rg Standardbook', Arial, sans-serif; font-size: 4em; line-height: 1.1; font-weight: 400; letter-spacing: -.03em; overflow-wrap: anywhere; }
.article-metrics span { display: block; font-size: .875em; text-transform: uppercase; color: #6b7280; margin-top: .7em; }
.article-banner { margin-top: 3em; }
.article-summary { display: grid; grid-template-columns: 22.5em minmax(0,1fr); gap: 5em; padding: 6em 0 7em; }
.article-summary h2, .article-related h2, .article-case h2 { font: 400 4em/1.1 'Rg Standardbook',Arial,sans-serif; letter-spacing: -.03em; margin: 0 0 .8em; }
#article-summary-text { font-size: 1.25em; line-height: 1.3; font-weight: 300; }
.article-summary [data-share-links] { flex-direction: row; flex-wrap: wrap; gap: 2em; }
.article-expert-quote { font-size: 1em; line-height: 1.4; font-weight: 300; margin: 0 0 1.5em; }
.article-expert-quote::before { content: '“'; display: block; font-size: 4em; line-height: .8; }
.article-expert-person { display: flex; align-items: center; gap: 1em; }
.article-expert-person img { width: 5em; height: 5em; border-radius: 50%; }
.article-expert-person p { margin: 0; }
.article-expert-person small { display: block; color: #6b7280; margin-top: .5em; }
.article-case { background: #f3f4f6; padding: 8em 0; }
.article-case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5em; }
.article-case-card { background: white; }
.article-case-card > div { padding: 1.5em; }
.article-case-card h3 { font-size: 2em; font-weight: 400; margin: .6em 0; }
.article-case-card p { color: #6b7280; font-size: .875em; line-height: 1.5; }
.article-case-result { padding: 1.5em; }
.article-case-result > strong { display: block; font: 400 4em/1.1 'Rg Standardbook',Arial,sans-serif; margin-top: .8em; }
.article-case-result > p { margin: 1em 0 2em; }
.article-case-result small { display: block; color: #6b7280; max-width: 33em; font-size: .8em; line-height: 1.5; margin: 2em 0; }
.article-related { padding: 8em 0; }
.article-back { display: inline-block; margin-top: 2.5em; text-underline-offset: .3em; }
.article-share-status:not(:empty) { position: fixed; z-index: 2000; bottom: 1.5em; left: 50%; transform: translateX(-50%); padding: 1em 1.5em; background: #111; color: #fff; max-width: 90vw; }
@media (max-width: 991px) {
 .article-header { padding-top: 10em; }
 .article-header h1 { font-size: 3em; }
 .article-layout { grid-template-columns: 15em minmax(0,1fr); gap: 2em; margin-top: 7em; }
 .article-sidebar-inner { padding: 1em; }
 .article-summary { grid-template-columns: 1fr 2fr; gap: 2em; }
 .article-metrics strong { font-size: 3em; }
}
@media (max-width: 767px) {
 .article-header { padding: 9em 0 2.5em; }
 .article-header h1 { font-size: 2.75em; margin-block: .6em; }
 .article-header > p:last-child { font-size: 1.125em; }
 #article-cover .article-image { aspect-ratio: 1.2; }
 .article-meta { grid-template-columns: 1fr 1fr; gap: 2em 1em; padding-top: 2.5em; }
 .article-layout { display: flex; flex-direction: column; gap: 3em; margin-top: 4em; }
 .article-sidebar { width: 100%; }
 .article-sidebar-inner { position: static; padding: 1.5em; }
 .article-sidebar .article-share, .article-sidebar-cta { display: none; }
 .article-sidebar:has(#article-toc[hidden]) { display: none; }
 .article-body p, .article-body li { font-size: 1.125em; line-height: 1.45; }
 .article-body h2 { font-size: 1.8em; }
 .article-metrics { gap: .8em; }
 .article-metrics strong { font-size: 2.5em; }
 .article-metrics span { font-size: .7em; }
 .article-summary { grid-template-columns: 1fr; gap: 3em; padding: 4em 0; }
 .article-summary > :last-child { grid-row: 1; }
 .article-summary h2, .article-related h2, .article-case h2 { font-size: 3em; }
 .article-case { padding: 4em 0; }
 .article-case-grid { grid-template-columns: 1fr; }
 .article-related { padding-block: 4em; }
}
/* A solid surface keeps the shared fixed navigation readable over article text. */
.article-page .nav { background: #fff; }
.article-body h2, .article-body h3, .article-case-card h3 { font-family: 'Rg Standardbook', Arial, sans-serif; }
.article-audit { background: #f5f5f5; padding: 8em 0; }
.article-audit-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 6em; }
.article-audit h2 { font: 400 4em/1 'Rg Standardbook',Arial,sans-serif; letter-spacing: -.03em; margin: .8em 0 .7em; }
.article-audit-description { font-size: 1.25em; line-height: 1.3; max-width: 31em; margin-bottom: 2em; }
.article-audit-notes { display: flex; flex-wrap: wrap; gap: 1.5em; margin-top: 1.8em; font-size: .875em; color: #6b7280; }
.article-audit-rating { border: 1px solid #ddd; padding: 3em; align-self: start; display: flex; align-items: center; flex-wrap: wrap; gap: 1.5em; }
.article-audit-rating strong { font: 400 4em/1 'Rg Standardbook',Arial,sans-serif; }
.article-audit-rating p { margin: .5em 0; }
.article-audit-stars { width: 100%; color: #8170c6; font-size: 2em; letter-spacing: .2em; }
.article-audit-rating a { text-underline-offset: .3em; }
#article-reviews { scroll-margin-top: 6em; }
@media (max-width: 767px) {
 .article-audit { padding: 4em 0; }
 .article-audit-grid { grid-template-columns: 1fr; gap: 3em; }
 .article-audit h2 { font-size: 3em; }
 .article-audit-rating { padding: 2em; }
}
.article-audit-form { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 1.5em; }
.article-audit-form > div { min-width: 0; }
.article-audit-form label { display: block; color: #6b7280; font-size: .875em; margin-bottom: 1em; }
.article-audit-form input { display: block; width: 100%; min-width: 0; border: 0; border-bottom: 1px solid #ccc; background: transparent; padding: 0 0 1em; font: inherit; font-size: .875em; border-radius: 0; }
.article-audit-form button { border: 0; white-space: nowrap; gap: 1em; }
.article-audit .form-success, .article-audit .form-error { display: none; margin-top: 1em; }
.article-body p, .article-body blockquote { white-space: pre-line; }
@media (max-width: 991px) { .article-audit-form { grid-template-columns: 1fr 1fr; } .article-audit-form button { grid-column: 1 / -1; justify-content: space-between; } }
@media (max-width: 479px) { .article-audit-form { grid-template-columns: 1fr; } }