/* Shared navigation and reading controls for the public static site. */
.skip-link { position: fixed; top: 8px; left: 16px; z-index: 100; padding: 12px 18px; background: var(--paper); color: var(--ink); border: 1px solid var(--rule); border-radius: 8px; transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.top { background: var(--paper); }
.top .top-in { position: relative; gap: 24px; }
.top nav[aria-label="Main"] { display: flex; gap: 26px; margin-left: auto; }
.top nav[aria-label="Main"] a { min-height: 44px; display: inline-flex; align-items: center; }
.top nav a[aria-current="page"], .top nav a[aria-current="location"] { font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 7px; }
.top .theme-toggle { min-width: 44px; min-height: 44px; }
.site-menu { display: none; }
.site-menu summary { list-style: none; cursor: pointer; border: 1px solid var(--rule); border-radius: 999px; padding: 0 16px; min-height: 44px; align-items: center; gap: 10px; font: 500 15px/1.2 "IBM Plex Sans", Arial, sans-serif; }
.site-menu summary::-webkit-details-marker { display: none; }
.site-menu summary::after { content: "+"; font-size: 21px; font-weight: 400; }
.site-menu[open] summary::after { content: "−"; }
.site-menu summary:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; }
.top .site-menu nav { margin: 0; position: absolute; top: 100%; right: 0; left: 0; display: grid; gap: 0; padding: 12px 20px 20px; border: 1px solid var(--rule); border-radius: 0 0 16px 16px; background: var(--paper); box-shadow: 0 12px 24px rgb(20 22 21 / 10%); max-height: calc(100dvh - 90px); overflow-y: auto; overscroll-behavior: contain; }
.site-menu:not([open]) nav { display: none; }
.top .site-menu nav a:not(.btn) { display: flex; align-items: center; min-height: 48px; padding: 10px 4px; border-bottom: 1px solid var(--rule); font: 400 17px/1.4 "IBM Plex Sans", Arial, sans-serif; }
.top .site-menu nav a[aria-current] { font-weight: 600; }
.top .site-menu nav .btn { display: flex; justify-content: center; margin-top: 18px; min-height: 46px; }
.reading-nav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin: 0 auto 24px; font: 500 15px/1.5 "IBM Plex Sans", Arial, sans-serif; }
.reading-nav a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 4px; }
.reading-nav.after-reading { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--rule); }
.signup-privacy, .benchmark-note { margin-top: 18px; color: var(--muted); font: 400 14px/1.6 "IBM Plex Sans", Arial, sans-serif; }
.signup-privacy a, .benchmark-note a { text-decoration: underline; text-underline-offset: 3px; }
.signup .su-status { min-height: 1.6em; }
.signup input:disabled { opacity: .7; }
.signup input { font-size: max(16px, 1em); }
.info-page { max-width: 760px; margin: 0 auto; padding: 60px 0 88px; }
.info-page h1 { margin: 16px 0 24px; font: 600 clamp(34px, 5vw, 54px)/1.12 "IBM Plex Sans", Arial, sans-serif; letter-spacing: -.025em; }
.info-page h2 { margin-top: 36px; font: 500 25px/1.3 "IBM Plex Sans", Arial, sans-serif; }
.info-page p, .info-page ul, .info-page ol { margin-top: 18px; line-height: 1.7; }
.info-page ul, .info-page ol { padding-left: 24px; }
.info-page li + li { margin-top: 10px; }
.info-page a:not(.btn) { text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.info-page .label { margin-top: 0; }
.table-scroll { overflow-x: auto; margin-top: 24px; border: 1px solid var(--rule); border-radius: 8px; }
.table-scroll:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; }
.info-page table { border-collapse: collapse; width: 100%; font-size: 14px; text-align: left; }
.info-page th, .info-page td { padding: 12px; vertical-align: top; border-bottom: 1px solid var(--rule); }
.info-page tr:last-child td { border-bottom: 0; }
.info-page caption { text-align: left; font-weight: 500; padding: 12px; }
.info-page .method-note { padding: 20px; background: var(--t-sand); border-radius: 12px; }
html { scroll-padding-top: 104px; }
main:focus { outline: none; }
@media (max-width: 1000px) {
  .top nav[aria-label="Main"] { display: none; }
  .top .top-in { gap: 12px; height: 72px; }
  .top .theme-toggle { margin-left: auto; }
  .site-menu { display: block; }
  .site-menu summary { display: flex; }
  .top .top-in > .btn { display: inline-flex; }
}
@media (max-width: 620px) {
  .top .top-in { gap: 10px; height: 68px; }
  .top .top-in > .btn { display: none; }
  .top .brand .logo { height: 30px; }
  .site-menu summary { padding-inline: 13px; }
  .top .site-menu nav { left: 0; right: 0; }
  .info-page { padding-top: 32px; }
  html { scroll-padding-top: 88px; }
}
@media (max-width: 360px) {
  .top .top-in { gap: 8px; }
  .top .brand .logo { height: 27px; }
  .site-menu summary { padding-inline: 12px; gap: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; }
}
@media (max-width: 800px) {
  footer .foot-links { flex-wrap: wrap; gap: 28px 36px; }
  footer .foot-links > div { min-width: 100px; }
}
@media (max-width: 620px) {
  .f-grid { grid-template-columns: minmax(0, 1fr); }
  .f-grid li { min-width: 0; }
  .mv-row { grid-template-columns: minmax(0, 1fr); }
  .mv-row .chip, .mv-row .tag { grid-column: 1; justify-self: start; }
  .mv-row p { overflow-wrap: anywhere; }
}
.signup-privacy a, .benchmark-note a { display: inline-block; }