/* Accessibility refinements, loaded last. Brand colors and 3D artwork remain.
   This stylesheet is implementation work, not a conformance certification. */
:root {
  --header-offset: 6rem;
  --muted: #b4b4c3;
  --control-edge: #898697;
  --focus-ring: #dce3ea;
}
html { scroll-padding-block-start: calc(var(--header-offset, 0px) + 1rem); }
body.menu-open { overflow: visible; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
:where(a, button, summary, [tabindex]) { scroll-margin-block: calc(var(--header-offset, 0px) + 1rem) 1rem; }
:is(a, button, summary, [tabindex]):focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 4px; }
main:focus, section[tabindex="-1"]:focus { outline: none; }
.skip-link { top: 0; transform: translateY(-150%); max-width: calc(100% - 2rem); white-space: normal; }
.skip-link:focus { top: .75rem; transform: none; }
[data-reveal]:focus-within, .hero-copy:focus-within { animation: none !important; opacity: 1 !important; transform: none !important; }

/* The longer slogan should read as two lines on desktop, not a huge stack.
   rem + vw sizing continues responding to font preferences and browser zoom. */
.hero h1 { font-size: clamp(2.25rem, 1.375rem + 2.5vw, 5rem); line-height: 1.16; letter-spacing: -.05em; }
.hero-line { display: block; }
.hero-copy, .studio-copy, .section-heading > *, .meaning-root, .meaning-statement { min-width: 0; }
h1, h2, h3, p, a, button, small, .capture-caption { overflow-wrap: anywhere; }
.hero-bottom { position: static; grid-column: 1 / -1; width: 100%; margin-top: 2rem; flex-wrap: wrap; }
.hero { padding-bottom: 2rem; }
.hero .eyebrow, .hero-note, .eyebrow { flex-wrap: wrap; }

/* Visible labels, not low-contrast hairlines alone, identify the controls. */
.site-header { background: #0a0a0f; }
.nav-shell { height: auto; min-height: 88px; padding-block: .75rem; gap: 1rem; flex-wrap: wrap; }
.header-actions { display: flex; align-items: center; gap: .5rem; margin-left: 0; }
.primary-nav, .detail-nav { margin-left: auto; flex-wrap: wrap; }
.primary-nav > a, .detail-nav a, .footer-main nav a, .simple-nav a, .site-map nav a {
  display: inline-flex; align-items: center; min-height: 44px; min-width: 24px; padding-block: .5rem;
}
.primary-nav .nav-cta, .menu-toggle { border-color: var(--control-edge); }
.primary-nav > a[aria-current], .simple-nav a[aria-current], .site-map a[aria-current] { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .3em; }
.motion-control { min-height: 44px; min-width: 44px; padding: .5rem; border: 1px solid var(--control-edge); border-radius: 5px; font-size: .75rem; color: var(--ice); gap: .35rem; }
.motion-state { font-size: .6875rem; }
.motion-control:disabled { color: var(--muted); cursor: default; opacity: 1; }
.button, .text-link { max-width: 100%; }
.button-primary { background: #5b52ed; color: #ffffff; }
.button-primary:hover { background: #5045d8; }
.button-primary:active { background: #473cc8; }
.back-to-top, .footer-main .back-to-top { min-width: 44px; min-height: 44px; border-color: var(--control-edge); }
.footer-main, .footer-main nav, .footer-bottom, .simple-nav { flex-wrap: wrap; }
.footer-main nav { row-gap: .25rem; }
.footer-bottom { font-size: .75rem; color: var(--muted); }
.footer-bottom > p { max-width: 100%; }
.simple-nav { display: flex; gap: .5rem 1.5rem; }

/* Supporting copy is readable over the darkest AND raised card surfaces. */
.ownership-note, .product-number, .approach-index, .product-tags > span,
.foundation-note > p, .capture-caption, .hero-note, .color-key { color: #b4b4c3; }
.ownership-note, .capture-caption, .foundation-note > p { font-size: .75rem; }
.product-tags > span { font-size: .6875rem; }
.meaning-tab { min-width: 0; padding-top: 2rem; }
.meaning-tab > small { font-size: .6875rem; }
.meaning-tab > .tab-selection { visibility: hidden; position: absolute; right: .65rem; top: .35rem; font: 1rem/1.2 var(--font); letter-spacing: 0; color: var(--ice); }
.meaning-tab[aria-selected="true"] > .tab-selection { visibility: visible; }
.meaning-tab[aria-selected="true"] { border-bottom-width: 4px; }
.meaning-tab:focus-visible { outline-offset: -4px; }
.meaning-panel { min-height: 0; }

/* The screenshot is a visual example; a real-text description is available too. */
.capture-caption .image-description { flex-basis: 100%; width: 100%; font: .875rem/1.7 var(--font); letter-spacing: 0; }
.image-description summary { min-height: 44px; padding-block: .65rem; color: var(--ice); cursor: pointer; text-decoration: underline; text-underline-offset: .25em; }
.image-description p { margin-block: .5rem; color: var(--ice); max-width: 75ch; }
.screenshot-open { max-width: calc(100% - 24px); flex-wrap: wrap; }
.detail-capture .product-capture { max-width: 1600px; margin-inline: auto; }
.site-map { max-width: 70rem; }
.site-map h1 { font-size: clamp(2.25rem, 2rem + 2vw, 4rem); line-height: 1.15; margin-block: 1rem; }
.site-map nav { margin-top: 2rem; }
.site-map ul { padding-left: 1.5rem; }
.site-map nav a { text-decoration: underline; text-underline-offset: .25em; }
.site-map li { padding-block: .25rem; }

/* No uncontrolled automatic motion when JS fails, is blocked, or is disabled.
   Stopping motion must not freeze a reveal while its text is transparent. */
html:not([data-motion="on"]) *, html:not([data-motion="on"]) *::before,
html:not([data-motion="on"]) *::after { animation: none !important; transition: none !important; }
html:not([data-motion="on"]) { scroll-behavior: auto; }
html:not([data-motion="on"]) .product-screenshot,
html:not([data-motion="on"]) .product-screenshot:hover,
html:not([data-motion="on"]) .button:hover,
html:not([data-motion="on"]) .button:hover span,
html:not([data-motion="on"]) .text-link:hover span { transform: none !important; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .product-screenshot, .product-screenshot:hover { transform: none !important; }
}
@media (max-width: 1100px) {
  .nav-shell { column-gap: .75rem; }
  .primary-nav { gap: 1rem; }
}
@media (max-width: 850px) {
  :root { --header-offset: 0px; }
  .header-actions { margin-left: auto; }
  .site-header { position: static; }
  .nav-shell { min-height: 72px; }
  .js .menu-toggle { display: block; }
  .primary-nav { flex-basis: 100%; width: 100%; }
  .js .primary-nav { display: none; position: static; inset: auto; max-height: none; overflow: visible; padding: .75rem 0; background: transparent; border: 0; }
  .js .primary-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: .375rem; }
  .js .primary-nav > a { padding: .75rem; font-size: 1rem; }
  .js .primary-nav > .nav-cta { display: flex; margin: 0; }
  .detail-nav { flex-basis: 100%; margin: 0; justify-content: space-between; }
  .detail-nav a:last-child { display: inline-flex; }
  .studio-intro, .meaning-panel { grid-template-columns: minmax(0, 1fr); }
  .meaning-statement { border-left: 0; padding-left: 0; }
}
@media (max-width: 620px) {
  .nav-shell { gap: .5rem; }
  .header-actions { gap: .375rem; }
  .wordmark { gap: .5rem; font-size: 1.35rem; }
  .motion-control { padding-inline: .375rem; font-size: .6875rem; }
  .motion-icon { display: none; }
  .hero { padding-bottom: 1.5rem; }
  .hero h1 { font-size: clamp(2rem, 1.5rem + 2.5vw, 2.625rem); }
  .hero-note { font-size: .6875rem; }
  .orbital-scene { max-width: 100%; }
  .screenshot-open { max-width: none; }
  .meaning-tab { padding-inline: .5rem; }
  .meaning-tab > small { font-size: .625rem; }
  .footer-main nav { gap: .25rem 1rem; }
  .footer-main .back-to-top { width: 44px; height: 44px; }
}
@media (max-height: 500px) { :root { --header-offset: 0px; } .site-header { position: static; } }
@media (forced-colors: active) {
  :is(a, button, summary, [tabindex]):focus-visible { outline-color: Highlight; }
  .motion-control, .menu-toggle, .back-to-top { border-color: ButtonText; }
  .tab-selection { color: ButtonText !important; }
  .future-text { background: none; color: CanvasText; -webkit-text-fill-color: CanvasText; }
}
@media print {
  .header-actions, .image-description summary { display: none; }
  .image-description p { display: block; color: #111; }
}
/* Four tabs normally; fewer columns when enlarged text needs more room. */
.meaning-tabs { grid-template-columns: repeat(auto-fit, minmax(min(100%, 4rem), 1fr)); }
.wordmark { min-height: 44px; }
/* Entrance effects move the panel without making its text unreadable. */
@keyframes reveal-in { from { opacity: 1; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes panel-in { from { opacity: 1; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.principle-strip-inner { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.principle-strip-inner > span { min-width: 0; flex-wrap: wrap; }
@media (max-width: 620px) { .principle-strip-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); } }