/* Shared site shell and long-form reading components. */
:root { --rb-header-height: 88px; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--rb-header-height) + 24px); }
body.rb-marketing { overflow-wrap: break-word; }
:where(.rb-marketing) h1, :where(.rb-marketing) h2, :where(.rb-marketing) h3, :where(.rb-marketing) h4 { font-family: var(--rb-font-heading); font-weight: 400; line-height: 1.25; margin: 0; }
:where(.rb-marketing) svg { width: 24px; height: 24px; flex-shrink: 0; }
:where(.rb-marketing) a, :where(.rb-marketing) button { touch-action: manipulation; }
.site-frame { overflow: clip; }
.site-skip { position: fixed; left: 12px; top: 12px; z-index: 1000; padding: 12px 20px; background: #fff; color: #101211; clip-path: inset(50%); width: 1px; height: 1px; overflow: hidden; white-space: nowrap; }
.site-skip:focus { clip-path: none; width: auto; height: auto; }
.site-header { position: sticky; top: 0; z-index: 60; padding-top: 0; background: var(--rb-page); border-bottom: 1px solid var(--rb-line); }
.site-topline { display: flex; justify-content: space-between; gap: 24px; border: 1px solid var(--rb-line); border-radius: var(--rb-radius); padding: 7px 30px; color: var(--rb-muted); font-size: 12px; }
.site-topline a { display: inline-flex; align-items: center; gap: 16px; }
.site-nav-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--rb-header-height); }
.site-logo { display: block; flex: none; width: 155px; }
.site-logo img { width: 100%; }
.site-logo-dark { display: none !important; }
.rb-dark .site-logo-light { display: none !important; }
.rb-dark .site-logo-dark { display: block !important; }
.site-nav { display: flex; align-items: center; gap: 2px; padding: 9px; background: #101211; border-radius: var(--rb-radius); }
.site-nav > a { padding: 14px 17px; color: #fff; font-size: 11px; line-height: 1.3; font-weight: 700; text-transform: uppercase; letter-spacing: .01em; border: 1px solid transparent; border-radius: var(--rb-radius-control); }
.site-nav > a:hover { background: #343636; }
.site-nav > a[aria-current="page"] { border-color: #626465; }
.site-header-actions { display: flex; align-items: center; gap: 20px; }
.site-login { font-size: 13px; }
body.rb-marketing .site-header-cta.rb-button { background: var(--rb-cta-primary); font-size: 15px; }
body.rb-marketing .site-header-cta.rb-button:is(:hover, :focus-visible) { background: var(--rb-cta-primary-hover); }
body.rb-marketing .site-nav .site-mobile-trial { border-radius: var(--rb-radius-control); background: var(--rb-cta-primary); box-shadow: 0 8px 20px rgba(50, 52, 116, .25); font: 600 14px/1.35 var(--rb-font-heading); text-transform: none; }
.site-theme, .site-menu-toggle { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border: 0; border-radius: var(--rb-radius-control); background: var(--rb-soft); color: var(--rb-ink); }
.site-theme svg { width: 21px; height: 21px; }
.site-theme { margin-inline-start: var(--rb-space-6); }
.site-menu-toggle, .site-nav .site-mobile-login, .site-nav .site-mobile-trial { display: none; }
.site-footer { padding-top: var(--rb-content-gap); }
.site-footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--rb-space-8); padding-bottom: var(--rb-content-gap); }
.site-footer-brand p { max-width: 48ch; color: var(--rb-muted); font-size: 14px; line-height: 1.75; margin-top: var(--rb-space-6); }
.site-footer nav > a { display: block; font-size: 14px; line-height: 1.75; margin-block: var(--rb-space-2); }
.site-footer nav > a:hover { color: var(--rb-accent); }
.site-footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: var(--rb-space-6); padding-block: var(--rb-space-6); border-top: 1px solid var(--rb-line); color: var(--rb-muted); font-size: 12px; }
.site-footer-bottom nav { display: flex; gap: var(--rb-space-6); }
.site-footer-bottom nav > a { font-size: 12px; margin: 0; }
.site-back-top { position: fixed; right: 22px; bottom: 22px; z-index: 30; width: 44px; height: 44px; border-radius: var(--rb-radius-control); border: 1px solid #727672; background: #181c1a; color: #fff; font-size: 20px; }

/* Policies retain their live content; presentation is shared rather than copied per page. */
.rb-policy-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: var(--rb-column-gap); align-items: start; }
.rb-policy-layout:not(:has(.rb-policy-toc)) { grid-template-columns: minmax(0, 1fr); }
.rb-policy-toc { position: sticky; top: calc(var(--rb-header-height) + 24px); font-size: 14px; }
.rb-policy-toc details { border: 1px solid var(--rb-line); border-radius: var(--rb-radius); padding: var(--rb-space-6); }
.rb-policy-toc summary { font-weight: 600; cursor: pointer; }
.rb-policy-toc nav { margin-top: var(--rb-space-6); }
.rb-policy-toc nav h2 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.rb-policy-toc :is(ul, ol) { list-style: none; padding: 0; margin: 0; }
.rb-policy-toc li + li { margin-top: var(--rb-space-3); }
.rb-policy-toc a:hover { color: var(--rb-accent); text-decoration: underline; }
.rb-prose { max-width: 72ch; min-width: 0; color: var(--rb-ink); font: 400 16px/1.75 var(--rb-font-body); }
.rb-prose h1 { font-size: var(--rb-title-size); line-height: 1.16; letter-spacing: -.045em; margin: 0 0 var(--rb-space-6); text-wrap: balance; }
.rb-prose h2 { font-size: var(--rb-panel-size); letter-spacing: -.035em; margin: var(--rb-space-12) 0 var(--rb-space-6); }
.rb-prose h3 { font-size: var(--rb-card-size); margin: var(--rb-space-8) 0 var(--rb-space-4); }
.rb-prose h4 { font: 600 16px/1.5 var(--rb-font-body); margin: var(--rb-space-6) 0 var(--rb-space-3); }
.rb-prose p { margin: 0 0 var(--rb-space-6); }
.rb-prose :is(ul, ol) { padding-left: var(--rb-space-6); margin: 0 0 var(--rb-space-6); }
.rb-prose li + li { margin-top: var(--rb-space-2); }
.rb-prose a { color: var(--rb-accent); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.rb-prose .heading-accent { color: var(--rb-accent); }
.rb-prose .legal-layout { display: block; }
.rb-prose .policy-sidebar { position: static; width: auto; padding: var(--rb-space-6); margin-top: var(--rb-space-12); background: var(--rb-soft); border-radius: var(--rb-radius); }
.rb-prose .policy-sidebar h2:first-child { margin-top: 0; }
.rb-prose :is(.table-scroll, table) { display: block; max-width: 100%; overflow-x: auto; }
.rb-prose table { border-collapse: collapse; margin-block: var(--rb-space-6); font-size: 14px; }
.rb-prose :is(th, td) { padding: var(--rb-space-3); text-align: left; vertical-align: top; border: 1px solid var(--rb-line); min-width: 130px; }
.rb-prose th { background: var(--rb-soft); font-weight: 600; }
.rb-prose [id] { scroll-margin-top: var(--rb-space-8); }

@media (max-width: 1250px) {
  .site-login { display: none; }
  .site-nav > a { padding-inline: 13px; font-size: 10px; }
  .site-logo { width: 135px; }
  .site-header-actions { gap: 14px; }
}
@media (max-width: 1050px) {
  :root { --rb-header-height: 80px; }
  .site-logo { width: 150px; }
  .site-nav { display: none; position: absolute; left: var(--rb-gutter); right: var(--rb-gutter); top: calc(100% - 5px); flex-direction: column; align-items: stretch; padding: 15px; max-height: calc(100dvh - 150px); overflow-y: auto; box-shadow: 0 15px 35px #0003; }
  .site-menu-open .site-nav { display: flex; }
  .site-nav > a { padding: 15px 20px; font-size: 13px; }
  .site-nav .site-mobile-login { display: block; }
  .site-nav .site-mobile-trial { display: flex; align-items: center; justify-content: space-between; background: #343636; }
  .site-menu-toggle { display: flex; flex-direction: column; gap: 7px; justify-content: center; align-items: center; background: transparent; }
  .site-menu-toggle span { width: 22px; height: 1.5px; background: currentColor; transition: transform .2s; }
  .site-menu-open .site-menu-toggle span:first-child { transform: translateY(4.25px) rotate(45deg); }
  .site-menu-open .site-menu-toggle span:last-child { transform: translateY(-4.25px) rotate(-45deg); }
  .site-footer-main { grid-template-columns: repeat(3, 1fr); }
  .site-footer-brand { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: var(--rb-space-8); }
  .site-footer-brand p { margin: 0; }
  .rb-policy-layout { grid-template-columns: 210px minmax(0, 1fr); }
}
@media (max-width: 767px) {
  :root { --rb-header-height: 72px; }
  .site-theme { margin-inline-start: 0; }
  .site-header { padding-top: 0; }
  .site-topline { display: none; }
  .site-nav-row { gap: 10px; }
  .site-logo { width: 137px; }
  .site-header-actions { gap: 7px; }
  .site-nav { max-height: calc(100dvh - 95px); }
  .site-footer-main { grid-template-columns: 1fr 1fr; }
  .site-footer-main > nav:last-child { grid-column: 1 / -1; }
  .site-footer-brand { display: block; }
  .site-footer-brand p { margin-top: var(--rb-space-6); }
  .site-footer-bottom { display: block; }
  .site-footer-bottom nav { flex-wrap: wrap; margin-top: var(--rb-space-4); gap: 12px 22px; }
  .site-back-top { right: 14px; bottom: 14px; }
  .rb-policy-layout { grid-template-columns: 1fr; }
  .rb-policy-toc { position: static; }
  .rb-prose { max-width: 100%; }
}
@media (max-width: 600px) { .site-header-cta { display: none !important; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* One vertical rhythm across marketing, tools and blog consumers.
 * Each section end includes the prelaunch 10px breathing room.
 * Adjacent half-gutters add to one section gap; page edges are shared too. */
body.rb-marketing.rb-site { --rb-section-extra: 10px; --rb-page-edge: 42px; --rb-section-gap: 100px; --rb-section-space: var(--rb-section-gap); --rb-content-gap: 32px; }
body.rb-marketing.rb-site main > :is(section, .rb-section) { margin-block: 0; padding-block: calc(var(--rb-section-gap) / 2); }
body.rb-marketing.rb-site main > :is(section, .rb-section):first-child { padding-top: var(--rb-page-edge); }
body.rb-marketing.rb-site .site-footer { padding-top: calc(var(--rb-section-gap) / 2); }
body.rb-marketing.rb-site .rb-section-heading { margin-bottom: var(--rb-content-gap); }
body.rb-marketing.rb-site .rbf-stories .rbf-feature { padding-block: calc(var(--rb-section-gap) / 2); }
body.rb-marketing.rb-site .rbf-stories .rbf-feature:first-child { padding-top: 0; }
body.rb-marketing.rb-site .rbf-stories .rbf-feature:last-child { padding-bottom: 0; }
body.rb-marketing.rb-site.rb-blog-listing .rp-page-header { padding-block: var(--rb-page-edge) calc(var(--rb-section-gap) / 2); }
body.rb-marketing.rb-site .rp-article-hero { padding-block: var(--rb-page-edge) var(--rb-section-extra); }
body.rb-marketing.rb-site .rp-article-layout { padding-block: calc(var(--rb-section-gap) / 2); }
body.rb-marketing.rb-site.rb-blog-listing main { padding-bottom: calc(var(--rb-section-gap) / 2); }
@media (max-width: 1050px) {
  body.rb-marketing.rb-site { --rb-page-edge: 34px; --rb-section-gap: 84px; }
}
@media (max-width: 767px) {
  body.rb-marketing.rb-site { --rb-page-edge: 26px; --rb-section-gap: 68px; --rb-content-gap: 24px; }
}