/* Shared site/article components; foundations load from web/brand/foundations.css. */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
.layout-public { display: flex; flex-direction: column; min-height: 100vh; }
.layout-public-main { flex: 1; }
.blog-page { --accent: var(--ink); --secondary: var(--ink-muted); --muted: var(--ink-muted); --border: var(--line); --font-body: var(--font-sans); font-family: var(--font-body); color: var(--ink); background: var(--paper); }
.blog-page .layout-public, .blog-page .site-main { background: var(--paper); }
.blog-page a { color: var(--accent); text-underline-offset: 4px; }
.blog-page :where(a, button, summary, textarea, [tabindex]):focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.blog-page button, .blog-page textarea, .blog-page select { font: inherit; }
.case-width { width: min(960px, calc(100% - 48px)); margin-inline: auto; }
.case-header { border-bottom: 1px solid var(--border); background: var(--paper); }
.case-nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 88px; }
.case-nav img { display: block; width: auto; height: 28px; }
.case-nav nav { display: flex; align-items: center; gap: 30px; font-size: 12px; }
.case-nav nav a { text-decoration: none; padding-block: 12px; }
.case-nav nav > a:first-child { color: var(--secondary); }
.case-nav .case-link { font-weight: 600; }
.case-hero { padding-block: 38px 28px; }
.case-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; font-size: 11px; color: var(--muted); margin-bottom: 21px; }
.case-breadcrumb a { color: inherit; text-decoration: none; }
.case-hero h1 { max-width: 660px; font-size: 39px; font-weight: 500; line-height: 1.14; letter-spacing: -1.3px; margin: 0 0 17px; color: var(--ink); }
.case-hero h1 > span { display: block; }
.case-subtitle { max-width: 760px; color: var(--secondary); font-size: 16px; line-height: 1.75; margin: 0 0 19px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 5px 9px; color: var(--muted); font-size: 11px; line-height: 1.6; margin: 0 0 18px; }
.case-read-link { font-size: 12px; font-weight: 550; text-decoration: none; }
.case-start { padding-block: 16px 24px; }
.case-start-grid { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 40px; padding: 40px; border-radius: 22px; background: var(--accent); color: var(--on-ink); }
.case-start-copy { min-width: 0; }
.blog-page .case-eyebrow { font-size: 10px; font-weight: 550; letter-spacing: 1px; line-height: 1.6; margin: 0 0 12px; }
.case-start h2 { color: var(--on-ink); font-size: 38px; font-weight: 500; line-height: 1.08; letter-spacing: -1.4px; margin: 0 0 24px; }
.case-product-name { display: inline-block; margin-bottom: 24px; }
.case-product-name img { display: block; width: 34px; height: auto;  }
.case-start h2 { text-wrap: balance; }
.case-start-copy > p { font-size: 14px; line-height: 1.8; margin: 0; color: var(--on-ink); }
#case-form { min-width: 0; padding: 26px; background: var(--surface); color: var(--ink); border-radius: 14px; box-shadow: 0 16px 40px rgba(20,20,19,.16); }
#case-form > label { display: block; font-size: 19px; line-height: 1.3; font-weight: 550; letter-spacing: -.4px; margin-bottom: 20px; }
.case-start :where(a, button, textarea):focus-visible { outline-color: var(--accent); }
#case-text { display: block; width: 100%; min-height: 184px; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; margin: 0; resize: vertical; font-size: 14px; line-height: 1.7; background: var(--paper); color: var(--ink); box-shadow: none; }
#case-text::placeholder { color: var(--muted); opacity: 1; }
#case-text:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; background: var(--surface); }
.case-form-actions { display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 20px; }
.case-form-actions > button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 46px; border: 0; border-radius: var(--radius-md); padding: 12px 18px; background: var(--accent); color: var(--on-ink); font-size: 13px; font-weight: 550; cursor: pointer; }
.case-form-actions > button:hover { background: var(--gray-800); }
.blog-page .case-help { font-size: 11px; line-height: 1.7; margin: 11px 0 0; }
#case-status:empty { display: none; }
.case-reading { display: grid; grid-template-columns: minmax(0,700px) 210px; column-gap: 50px; padding-block: 40px 48px; scroll-margin-top: 20px; }
.case-reading:focus { outline: none; }
.case-article { min-width: 0; }
.case-reading-label { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding-bottom: 14px; border-bottom: 1px solid var(--border); margin-bottom: 24px; font-size: 11px; color: var(--muted); }
.blog-page .article-body { font-size: 15px; line-height: 1.85; color: var(--ink); overflow-wrap: anywhere; }
.blog-page .article-body > p:first-of-type { font: inherit; color: inherit; margin-bottom: 16px; }
.blog-page .article-body p { margin: 0 0 16px; }
.blog-page .article-body h2, .case-faq h2 { font-size: 23px; font-weight: 500; line-height: 1.3; letter-spacing: -.45px; color: var(--ink); margin: 32px 0 16px; padding: 0; border: 0; scroll-margin-top: 24px; }
.blog-page .article-body h2::before, .blog-page .article-body h2::after { display: none; }
.blog-page .article-body h3 { font-size: 17px; font-weight: 500; line-height: 1.4; color: var(--ink); margin: 24px 0 12px; }
.blog-page .article-body :is(ul,ol) { font-size: 14px; line-height: 1.8; padding-left: 22px; margin: 12px 0 20px; }
.blog-page .article-body li { margin-bottom: 7px; }
.blog-page .article-body li::marker { color: var(--ink); }
.blog-page .article-body strong { color: inherit; font-weight: 600; }
.blog-page .article-body pre { max-width: 100%; overflow-x: auto; padding: 16px; background: var(--paper); border: 1px solid var(--border); border-radius: 6px; font-size: 13px; line-height: 1.6; }
.blog-page .article-body img { max-width: 100%; height: auto; }
.blog-page .article-body blockquote { margin: 20px 0; padding: 4px 18px; border-left: 2px solid var(--accent); color: var(--secondary); }
.case-hero, .case-reading-label, .case-rail nav { overflow-wrap: anywhere; }
.blog-page .article-body .article-summary { background: var(--paper) !important; border: 1px solid var(--border) !important; border-radius: 6px !important; padding: 18px 20px !important; margin: 22px 0 !important; }
.blog-page .article-summary ul { margin-bottom: 0; }
.blog-page .article-body hr { border: 0; border-top: 1px solid var(--border); margin: 26px 0; height: 0; background: none; }
.guide-table { max-width: 100%; overflow-x: auto; margin: 20px 0; }
.blog-page .guide-table table { display: table; width: 100%; min-width: 440px; margin: 0; border-collapse: collapse; border: 0; border-radius: 0; box-shadow: none; font-size: 13px; line-height: 1.65; overflow-wrap: normal; }
.blog-page .guide-table :is(th,td) { text-align: left; vertical-align: top; padding: 11px 12px; border: 0; border-bottom: 1px solid var(--border); color: var(--ink); }
.blog-page .guide-table th { background: var(--paper); font-weight: 600; }
.blog-page .guide-table :is(tbody tr,tbody tr:nth-child(even),tbody tr:hover) { background: var(--surface); }
.case-rail { position: static; min-width: 0; }
.case-rail > .case-eyebrow { color: var(--muted); }
.case-rail nav, .case-mobile-index nav { display: grid; gap: 2px; }
.case-rail nav a, .case-mobile-index nav a { display: block; padding-block: 9px; font-size: 12px; line-height: 1.5; color: var(--secondary); text-decoration: none; }
.case-rail nav a:hover, .case-rail nav a:focus-visible { color: var(--accent); text-decoration: underline; }
.case-rail-card { position: sticky; top: 24px; z-index: 1; background: var(--ink); color: var(--on-ink); border-radius: 8px; padding: 21px 18px; }
.case-rail-index { margin-top: 27px; }
.blog-page .article-body .case-section-action { display: inline-block; font-size: 12px; margin: -4px 0 18px; text-decoration-thickness: 1px; }
.blog-page .article-body .case-inline-card { margin: 32px 0; padding: 24px; border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 8px; background: var(--paper); }
.blog-page .article-body .case-inline-card > strong { display: block; font-size: 20px; line-height: 1.4; margin-bottom: 8px; }
.blog-page .article-body .case-inline-card > p { font-size: 14px; margin-bottom: 16px; }
.case-inline-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.blog-page .case-inline-button { display: inline-block; padding: 10px 14px; border-radius: var(--radius-md); background: var(--accent); color: var(--on-ink); font-size: 12px; font-weight: 600; text-decoration: none; }
.blog-page .case-inline-button + .case-inline-button { background: transparent; color: var(--accent); padding-inline: 0; text-decoration: underline; }
.case-rail-card h2 { color: var(--on-ink); font-size: 20px; line-height: 1.2; font-weight: 500; margin: 0 0 14px; }
.case-rail-card > p:not(.case-eyebrow) { font-size: 12px; line-height: 1.8; color: var(--on-ink-muted); margin-bottom: 20px; }
.case-rail-card .case-link { color: var(--on-ink); font-size: 12px; }
.case-mobile-index { display: none; }
.case-faq { margin-top: 34px; }
.case-faq details { border-bottom: 1px solid var(--border); }
.case-faq summary { display: flex; justify-content: space-between; gap: 18px; padding: 18px 0; cursor: pointer; list-style: none; font-size: 14px; font-weight: 550; line-height: 1.6; }
.case-faq summary::-webkit-details-marker { display: none; }
.case-faq summary > span { color: var(--accent); font-size: 18px; }
.case-faq details[open] summary > span { transform: rotate(45deg); }
.case-faq details p { font-size: 14px; line-height: 1.85; color: var(--secondary); padding-bottom: 18px; margin: 0; }
.case-final { background: var(--ink); color: var(--on-ink); border-radius: 8px; padding: 29px; margin-top: 36px; }
.case-final h2 { color: var(--on-ink); font-size: 27px; line-height: 1.2; font-weight: 500; letter-spacing: -.5px; margin: 0 0 16px; max-width: 470px; }
.case-final > p:not(.case-eyebrow) { font-size: 13px; line-height: 1.8; color: var(--on-ink-muted); margin-bottom: 20px; }
.case-final .case-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 44px; background: var(--surface); color: var(--accent); border-radius: var(--radius-md); padding: 12px 16px; font-size: 12px; font-weight: 600; text-decoration: none; }
.case-final :focus-visible, .case-rail-card :focus-visible { outline-color: var(--on-ink); }
.case-footer { border-top: 1px solid var(--border); background: var(--paper); }
.case-footer > div { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; padding-block: 25px; color: var(--muted); font-size: 11px; }
.case-footer img { display: block; width: auto; height: 24px; }
.case-footer > div > a:last-child { margin-left: auto; color: var(--secondary); }
@media (max-width: 800px) {
  .case-start-grid { grid-template-columns: 1fr; gap: 30px; }
  .case-start-copy { max-width: 520px; }
  .case-reading { display: block; }
  .case-rail { display: none; }
  .case-mobile-index { display: block; margin-bottom: 26px; border-block: 1px solid var(--border); }
  .case-mobile-index summary { padding-block: 15px; cursor: pointer; font-size: 13px; font-weight: 600; }
  .case-mobile-index nav { padding: 0 4px 12px; }
  .case-mobile-index nav a { min-height: 44px; }
}
@media (max-width: 560px) {
  .case-width { width: calc(100% - 40px); }
  .case-nav { min-height: 88px; gap: 14px; }
  .case-nav img { height: 24px; }
  .case-nav nav { gap: 12px; font-size: 11px; }
  .case-nav .case-link { max-width: 140px; line-height: 1.5; }
  .case-hero { padding-block: 28px; }
  .case-hero h1 { font-size: 31px; line-height: 1.16; letter-spacing: -.8px; }
  .case-hero h1 > span { display: inline; }
  .case-subtitle { font-size: 15px; }
  .case-start-grid { padding: 26px 20px 20px; border-radius: 16px; }
  .case-start h2 { font-size: 32px; letter-spacing: -1px; margin-bottom: 18px; }
  .case-product-name { margin-bottom: 22px; }
  #case-form { padding: 20px; border-radius: 10px; }
  #case-text { min-height: 150px; padding: 12px; }
  .case-form-actions { justify-content: flex-end; }
  .case-final { padding: 24px 20px; }
  .case-final h2 { font-size: 25px; }
  .case-final .case-button { width: 100%; }
  .case-footer > div > span { max-width: 130px; }
}

/* Shared site chrome, D17: existing routes and real homepage sections only. */
.case-header .case-width, .case-footer .case-width { width: min(1120px, calc(100% - 48px)); }
.case-nav { display: grid; grid-template-columns: auto 1fr auto; min-height: 72px; gap: 28px; }
.case-nav nav { justify-content: center; gap: 28px; }
.case-nav nav a { font-size: 13px; color: var(--ink-muted); }
.case-nav nav a:hover, .case-nav nav a[aria-current] { color: var(--ink); }
.site-account-links { display: flex; align-items: center; gap: 20px; font-size: 13px; }
.site-account-links a { text-decoration: none; }
.site-account-links .case-link { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 36px; padding: 8px 12px; border-radius: var(--radius-md); background: var(--ink); color: var(--paper); }
.site-account-links .case-link:hover { background: var(--gray-800); }
.case-footer { background: var(--ink); border-top: 1px solid var(--gray-800); color: var(--paper); padding-block: 40px 24px; }
.case-footer > .site-footer-grid { display: grid; grid-template-columns: 2fr repeat(3,1fr); gap: 32px; align-items: start; padding: 0 0 32px; color: var(--paper); font-size: 12px; }
.site-footer-brand p { margin: 14px 0 0; color: var(--on-ink-muted); font-size: 12px; }
.case-footer nav { display: flex; flex-direction: column; gap: 10px; }
.case-footer h2 { margin: 0 0 4px; font: 600 12px/18px var(--font-sans); color: var(--paper); }
.case-footer a { color: var(--on-ink-muted); font-size: 12px; text-decoration: none; }
.case-footer a:hover { color: var(--paper); text-decoration: underline; }
.case-footer a:focus-visible { outline-color: var(--paper); }
 .site-mobile-menu { display: none; }
@media (max-width: 720px) {
  .case-header .case-width { width: calc(100% - 32px); }
  .case-nav { position: relative; grid-template-columns: 1fr auto auto; min-height: 56px; gap: 6px; padding-block: 0; }
  .case-nav img { height: 24px; }
  .case-nav .site-desktop-nav, .site-desktop-login { display: none; }
  .site-account-links .case-link { font-size: 11px; padding: 8px; min-height: 36px; max-width: none; }
  .site-account-links .case-link span { display: none; }
  .site-mobile-menu { display: block; }
  .site-mobile-menu summary { display: grid; place-items: center; width: 44px; height: 44px; cursor: pointer; list-style: none; }
  .site-mobile-menu summary::-webkit-details-marker { display: none; }
  .site-mobile-menu summary svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
  .site-mobile-menu nav { position: absolute; top: 100%; right: 0; left: 0; z-index: 10; display: flex; flex-direction: column; gap: 0; padding: 8px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper); box-shadow: var(--shadow-card); }
  .site-mobile-menu nav a { display: block; padding: 12px; min-height: 44px; font-size: 13px; }
  .case-footer > .site-footer-grid { grid-template-columns: repeat(3,1fr); gap: 28px 16px; }
  .site-footer-brand { grid-column: 1 / -1; }
}

/* Reference article: reading first, compact entry and TOC above the quiet card. */
.article-case-page > .article-progress, .article-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 20; background: transparent; pointer-events: none; }
.article-progress span { display: block; width: 100%; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; }
.article-case-page .case-width { width: min(1120px, calc(100% - 48px)); }
.article-case-page .case-hero { padding-block: 48px 20px; }
.article-case-page .case-hero h1 { max-width: 760px; font-size: 42px; line-height: 1.12; text-wrap: balance; }
.article-case-page .case-hero h1 > span { display: inline; }
.article-case-page .case-subtitle { max-width: 760px; font-size: 15px; line-height: 1.7; }
.article-case-page .case-meta { max-width: 760px; padding-top: 16px; border-top: 1px solid var(--line); }
.article-case-page .case-start { padding-block: 0 0; }
.article-case-page #case-form { width: min(760px, 100%); padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); color: var(--ink); }
.article-case-page #case-form label { display: block; font-size: 12px; margin-bottom: 8px; }
.article-case-page #case-text { min-height: 66px; padding: 10px; border: 1px solid var(--line-strong); border-radius: var(--radius-md); background: var(--surface); font-size: 14px; line-height: 22px; }
.article-case-page .case-form-actions { justify-content: space-between; margin-top: 10px; gap: 10px; }
.article-case-page #case-attach { background: transparent; color: var(--ink); font-size: 12px; font-weight: 400; padding: 4px 0; gap: 6px; }
.article-case-page #case-continue { min-height: 36px; font-size: 12px; padding: 8px 12px; gap: 12px; }
.article-case-page .case-reading { grid-template-columns: minmax(0,760px) minmax(0,1fr); gap: 64px; padding-block: 40px 48px; }
.article-case-page .case-reading-label { display: none; }
.article-case-page .article-body { font-size: 15px; line-height: 1.75; }
.article-case-page .article-body h2:first-child { margin-top: 0; }
.article-case-page .article-body h2 { font-size: 26px; }
.article-case-page .guide-table th { background: var(--surface-sunken); }
.article-case-page .case-rail { align-self: start; position: sticky; top: 24px; }
.article-case-page .case-rail-index { margin-top: 0; margin-bottom: 28px; max-height: 65vh; overflow-y: auto; }
.case-rail nav a, .case-mobile-index nav a { padding: 6px 10px; border-left: 1px solid var(--line); font-size: 11px; }
.case-rail nav a[aria-current="location"], .case-mobile-index nav a[aria-current="location"] { border-left-color: var(--ink); color: var(--ink); font-weight: 600; }
.article-case-page .case-rail-card { position: static; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); color: var(--ink); }
.article-case-page .case-rail-card h2 { color: var(--ink); font-size: 18px; }
.article-case-page .case-rail-card p, .article-case-page .case-rail-card a { color: var(--ink-muted); }
.article-case-page .case-rail-card :focus-visible { outline-color: var(--ink); }
.article-case-page .article-body .case-inline-card { border: 1px solid var(--line); background: var(--surface); padding: 20px; }
.article-case-page .case-final { background: var(--surface); color: var(--ink); border: 1px solid var(--line); padding: 24px; }
.article-case-page .case-final h2, .article-case-page .case-final p { color: var(--ink); }
.article-case-page .case-final .case-button { background: var(--ink); color: var(--paper); }
.article-case-page .case-final :focus-visible { outline-color: var(--ink); }
.case-related { padding-bottom: 32px; }
.case-related .case-eyebrow { margin-bottom: 16px; color: var(--ink-muted); }
@media (max-width: 960px) { .article-case-page .case-reading { grid-template-columns: minmax(0,1fr) 210px; gap: 32px; } }
@media (max-width: 800px) { .article-case-page .case-reading { display: block; } }
@media (max-width: 560px) {
  .article-case-page .case-hero { padding-top: 28px; }
  .article-case-page .case-hero h1 { font-size: 32px; }
  .article-case-page #case-text { font-size: 16px; }
  .article-case-page #case-continue { min-height: 44px; }
  .article-case-page .case-form-actions { flex-wrap: wrap; }
  .article-case-page .article-body h2 { font-size: 24px; }
}
.site-closing { padding-block: 64px; background: var(--ink); color: var(--paper); }
.site-closing > .case-width { width: min(1120px, calc(100% - 48px)); display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.site-closing h2 { font-size: 40px; line-height: 1.12; max-width: 640px; margin: 12px 0 16px; }
.site-closing p { font-size: 13px; line-height: 22px; color: var(--on-ink-muted); margin: 0; }
.site-closing a { flex-shrink: 0; border-radius: var(--radius-md); padding: 12px 16px; background: var(--paper); color: var(--ink); font-size: 12px; text-decoration: none; }
.site-closing a:focus-visible { outline-color: var(--paper); }
@media (max-width: 720px) { .site-closing > .case-width { display: block; } .site-closing h2 { font-size: 32px; } .site-closing a { display: inline-flex; margin-top: 24px; } }
.article-case-page #case-form { box-shadow: none; }
.site-error { width: min(1120px, calc(100% - 48px)); padding-block: 88px 112px; min-height: 55vh; }
.site-error-code { font: 12px/20px var(--font-mono); color: var(--ink-muted); margin: 0 0 20px; }
.site-error h1 { max-width: 760px; font: 500 48px/1.12 var(--font-display); letter-spacing: -.025em; text-wrap: balance; margin: 0 0 24px; }
.site-error-description { max-width: 560px; color: var(--ink-muted); font-size: 16px; line-height: 26px; margin: 0 0 24px; }
.site-error-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.site-error-actions a { display: inline-flex; align-items: center; min-height: 40px; border: 1px solid var(--line-strong); border-radius: var(--radius-md); padding: 10px 14px; font-size: 12px; text-decoration: none; }
.site-error-actions .site-error-primary { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.site-error-actions a:last-child { border-color: transparent; }
@media (max-width: 720px) { .site-error { padding-block: 48px 64px; } .site-error h1 { font-size: 36px; } .site-error-actions a { min-height: 44px; } }