@font-face {
  font-family: Inter;
  src: url('../fonts/Inter.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --text: var(--nasah-ink);
  --muted: var(--nasah-muted);
  --paper: var(--nasah-paper);
  --surface: var(--nasah-surface);
  --line: var(--nasah-line);
  --action: var(--nasah-link);
  --accent: var(--nasah-wordmark);
  --space-section: clamp(4rem, 7.5vw, 7.5rem);
  --gutter: clamp(1.5rem, 4.5vw, 4rem);
  --radius-control: 4px;
  color-scheme: light;
  font-family: var(--nasah-font-family);
  color: var(--text);
  background: var(--paper);
  font-size: var(--nasah-body-size);
  line-height: var(--nasah-body-line-height);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
h1, h2, h3, p, figure, ol { margin: 0; }
h1, h2, h3 { font-weight: 600; text-wrap: balance; overflow-wrap: anywhere; }
h1 { font-size: clamp(2.5rem, 5.65vw, 5.5rem); line-height: 1.04; letter-spacing: -.055em; }
h2 { font-size: clamp(2rem, 3.6vw, 3.35rem); line-height: 1.12; letter-spacing: -.045em; }
h3 { font-size: 1.375rem; line-height: 1.3; letter-spacing: -.025em; }
p { overflow-wrap: anywhere; }
p + p { margin-top: 1.25rem; }
a { color: inherit; text-underline-offset: .25em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
button, input, textarea { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
button:disabled { cursor: not-allowed; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--nasah-wordmark); outline-offset: 5px; }
::selection { background: var(--nasah-yellow); color: var(--nasah-ink); }
section[id] { scroll-margin-top: 2rem; }
.container { width: min(100% - 2 * var(--gutter), 1280px); margin-inline: auto; }
.privacy-choices { margin-block: 2rem; padding: 1.5rem; background: var(--surface); border: 1px solid var(--line); }
.privacy-choices h2 { margin-bottom: 1rem; font-size: 1.5rem; letter-spacing: -.025em; }
.privacy-choices p { max-width: 70ch; }
.privacy-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-block: 1.25rem; }
.privacy-button { border: 1px solid var(--action); background: var(--paper); color: var(--action); min-height: 44px; white-space: normal; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -8rem; left: 1.5rem; z-index: 10; background: var(--paper); padding: 1rem; color: var(--action); }
.skip-link:focus { top: .5rem; }
.preview-strip { background: var(--surface); border-bottom: 1px solid var(--line); font-size: .75rem; color: var(--muted); padding-block: .45rem; }
.preview-strip span { margin-inline: .5rem; }
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; min-height: 100px; padding-block: 1rem; }
.brand-link { display: inline-flex; flex: 0 0 auto; padding: 6px; margin-left: -6px; border-radius: 2px; }
.brand-link img { width: 160px; aspect-ratio: 856 / 300; }
.primary-nav { display: flex; align-items: center; gap: 2.25rem; }
.primary-nav a { display: flex; align-items: center; gap: .5rem; padding-block: .7rem; font-size: .875rem; line-height: 1.4; font-weight: 500; text-decoration: none; }
.primary-nav a[aria-current], .primary-nav a:hover { text-decoration: underline; text-underline-offset: .5rem; }
.primary-nav .nav-contact { border-bottom: 1px solid var(--text); margin-left: 1rem; }
.nav-contact span { font-size: 1.3rem; }
.menu-toggle { background: none; border: 1px solid var(--line); border-radius: var(--radius-control); align-items: center; justify-content: center; padding: .75rem; font-size: .8125rem; font-weight: 500; min-width: 44px; min-height: 44px; }
.menu-glyph { position: relative; width: 20px; height: 13px; border-top: 1.5px solid; border-bottom: 1.5px solid; }
.menu-glyph::after { content: ''; position: absolute; inset: 5px 0 auto; border-top: 1.5px solid; }
.menu-toggle[aria-expanded='true'] .menu-glyph { border-bottom: 0; transform: rotate(45deg); height: 1px; }
.menu-toggle[aria-expanded='true'] .menu-glyph::after { inset: -1.5px 0 auto; transform: rotate(90deg); }

.hero { padding-block: clamp(3rem, 5.8vw, 6rem) clamp(4rem, 6.5vw, 7rem); }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr); align-items: center; gap: clamp(2rem, 4.7vw, 5rem); }
.eyebrow { font-size: .75rem; font-weight: 600; line-height: 1.5; letter-spacing: .1em; text-transform: uppercase; }
.hero .eyebrow { margin-bottom: 2rem; }
.hero h1 span { color: var(--accent); }
.hero-intro { font-size: 1.0625rem; max-width: 37rem; margin-top: 1.75rem; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem 2rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 52px; padding: .9rem 1.25rem; border: 1px solid transparent; border-radius: var(--radius-control); font-size: .875rem; line-height: 1.5; font-weight: 500; text-decoration: none; transition: background-color .18s, color .18s; }
.button span { font-size: 1.25rem; }
.button-primary { background: var(--action); color: var(--paper); }
.button-primary:hover { background: var(--text); color: var(--paper); }
.text-link { display: inline-flex; align-items: center; gap: .75rem; min-height: 44px; font-size: .875rem; font-weight: 500; color: var(--action); }
.text-link span { font-size: 1.25rem; }
.hero-map { background: var(--text); color: var(--paper); padding: clamp(1.5rem, 3.2vw, 3rem); min-height: 430px; display: flex; flex-direction: column; justify-content: center; align-self: stretch; margin-block: .5rem; }
.map-caption { font-size: .8125rem; color: var(--nasah-descriptor-dark); margin-bottom: 3.5rem; }
.map-row { display: grid; grid-template-columns: 1.5rem minmax(0, 1fr) auto; align-items: center; gap: .75rem; padding-block: 1.25rem; border-top: 1px solid var(--muted); }
.map-row > span:first-child { color: var(--nasah-descriptor-dark); font-size: .6875rem; }
.map-row strong { font-size: clamp(1.75rem, 3vw, 3rem); line-height: 1.1; letter-spacing: -.04em; font-weight: 500; overflow-wrap: anywhere; }
.map-row > span:last-child { color: var(--nasah-blue); font-size: 2rem; line-height: 1; }
.map-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-top: 2rem; font-size: .75rem; }
.map-bottom > span:first-child { min-width: 0; overflow-wrap: anywhere; }
.map-end { width: 32px; height: 6px; background: var(--nasah-blue); align-self: center; }

.section { padding-block: var(--space-section); }
.split-section { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(3rem, 8vw, 8rem); }
.section-heading h2 { margin-top: 1.25rem; }
.section-heading > p:not(.eyebrow) { margin-top: 1.5rem; max-width: 36rem; color: var(--muted); }
.section-heading .scope-note, .scope-note { font-size: .8125rem; color: var(--muted); }
.section-heading .scope-note { margin-top: 2rem !important; padding-top: 1rem; border-top: 1px solid var(--line); }
.service-list, .process-list, .culture-list, .ai-process-list, .criteria-list { list-style: none; padding: 0; }
.service-list li { border-top: 1px solid var(--line); padding-block: 1.7rem; display: grid; grid-template-columns: 2rem minmax(0, 1fr); gap: 1.5rem; }
.service-list li:last-child { border-bottom: 1px solid var(--line); }
.item-number { display: block; font-size: .75rem; font-weight: 500; padding-top: .25rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.service-list p, .process-list p, .culture-list p, .ai-process-list p, .criteria-list p { margin-top: .8rem; color: var(--muted); }
.area-section { background: var(--surface); }
.area-section .section-heading { max-width: 44rem; margin-bottom: 3rem; }
.area-links { display: grid; grid-template-columns: 1.12fr 1fr; gap: 1.5rem; }
.area-link { display: flex; flex-direction: column; justify-content: space-between; gap: 3.5rem; padding: clamp(1.5rem, 3vw, 3rem); text-decoration: none; min-height: 365px; }
.area-link h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); line-height: 1.35; margin-top: 2.5rem; letter-spacing: -.03em; max-width: 27rem; }
.area-link .eyebrow { padding-bottom: 1rem; border-bottom: 1px solid currentColor; display: block; }
.area-culture { background: var(--nasah-magenta); color: var(--paper); }
.area-ai { background: var(--paper); border: 1px solid var(--line); border-top: 8px solid var(--nasah-blue); }
.area-link-bottom { display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-size: .875rem; font-weight: 500; }
.area-link-bottom > span { font-size: 1.75rem; }
.area-link:hover .area-link-bottom { text-decoration: underline; text-underline-offset: .3em; }
.area-culture:focus-visible { outline-color: var(--text); }
.section-mark { font-size: 9rem; line-height: 1; font-weight: 400; margin-top: 3rem; color: var(--action); }
.process-list li { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; border-top: 1px solid var(--line); padding-block: 1.75rem; }
.process-list .item-number { width: 2.5rem; height: 2.5rem; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 50%; }
.experience-section { background: var(--text); color: var(--paper); }
.experience-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem 5rem; }
.experience-layout > .eyebrow { grid-column: 1 / -1; }
.experience-layout h2 { max-width: 38rem; }
.experience-copy { max-width: 36rem; padding-top: .25rem; }
.experience-section .experience-copy { color: var(--nasah-descriptor-dark); }

.faq-section { border-bottom: 1px solid var(--line); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; font-weight: 500; line-height: 1.5; padding-block: 1.5rem; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-icon { flex: 0 0 auto; font-size: 1.75rem; font-weight: 400; line-height: 1; width: 1.25rem; text-align: center; transition: transform .18s; }
.faq-list details[open] .faq-icon { transform: rotate(45deg); }
.faq-answer { padding: 0 3rem 1.5rem 0; color: var(--muted); }
.contact-section { background: var(--surface); }
.contact-section .section-heading h2 { max-width: 32rem; }
.demo-label { display: flex; align-items: center; gap: .75rem; font-size: .8125rem; font-weight: 500; }
.demo-label > span { font-size: 2rem; }
.contact-notice { border-left: 3px solid var(--action); padding: .25rem 0 .25rem 1rem; font-size: .875rem; margin-bottom: 2rem; }
.contact-notice strong { display: block; font-weight: 600; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.field { margin-bottom: 1.5rem; }
.field label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: .5rem; }
.field input, .field textarea { display: block; width: 100%; min-width: 0; min-height: 50px; background: var(--paper); border: 1px solid var(--muted); border-radius: var(--radius-control); padding: .75rem; font-size: 1rem; line-height: 1.5; }
.field textarea { resize: vertical; }
.field-help { font-size: .75rem; line-height: 1.5; color: var(--muted); margin-top: .5rem; }
.field-error { font-size: .8125rem; line-height: 1.5; font-weight: 600; margin-top: .5rem; }
.field-error::before { content: '! '; }
[aria-invalid='true'] { border-width: 2px !important; }
.form-summary, .form-message { border: 1px solid var(--text); padding: 1rem; font-size: .875rem; margin-bottom: 1.5rem; }
.form-status:not(:empty) { border-left: 3px solid var(--action); padding: .75rem 1rem; margin-top: 1.5rem; font-size: .875rem; font-weight: 500; background: var(--paper); }

.site-footer { background: var(--text); color: var(--paper); padding-block: 4rem 1.5rem; }
.site-footer :focus-visible { outline-color: var(--nasah-yellow); }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem; padding-bottom: 4rem; }
.footer-brand .brand-link { margin-top: -6px; }
.footer-brand p { margin-top: 1rem; max-width: 21rem; color: var(--nasah-descriptor-dark); font-size: .875rem; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; align-items: flex-start; }
.footer-top h2 { font-size: .75rem; line-height: 1.5; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--nasah-descriptor-dark); margin-bottom: 1.25rem; }
.footer-top a:not(.brand-link) { display: inline-block; padding-block: .55rem; font-size: .875rem; }
.footer-contact p { font-size: .75rem; color: var(--nasah-descriptor-dark); margin-top: .75rem; }
.footer-bottom { border-top: 1px solid var(--muted); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; font-size: .75rem; color: var(--nasah-descriptor-dark); }
.footer-bottom a { display: inline-flex; gap: 1.5rem; align-items: center; min-height: 44px; }

.page-culture { --accent: var(--nasah-magenta); }
.hero-culture { padding-bottom: 5rem; }
.hero-culture .hero-layout { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 3rem; }
.hero-culture h1 { font-size: clamp(2.75rem, 5.1vw, 4.9rem); }
.hero-culture .hero-intro { max-width: 30rem; }
.hero-culture .hero-actions { gap: 1rem; }
.culture-art { padding-top: .5rem; }
.art-frame { border-bottom: 12px solid var(--nasah-yellow); }
.art-frame img { width: 100%; height: auto; }
.culture-art figcaption { color: var(--muted); font-size: .6875rem; line-height: 1.6; margin-top: 1rem; max-width: 40rem; }
.culture-art figcaption a { color: inherit; }
.culture-art cite { font-style: normal; }
.culture-possibilities { border-top: 1px solid var(--line); }
.wide-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem 6rem; }
.wide-heading .eyebrow { grid-column: 1 / -1; }
.wide-heading h2 { margin-top: 0; }
.wide-heading > p:not(.eyebrow) { margin-top: 0; align-self: center; }
.culture-list { margin-top: 3.5rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem; }
.culture-list li { border-top: 3px solid var(--nasah-magenta); padding-top: 1.5rem; }
.culture-list .item-number { color: var(--nasah-magenta); font-size: .875rem; margin-bottom: 2rem; }
.culture-list h3 { max-width: 17rem; font-size: 1.625rem; }
.culture-method { background: var(--nasah-magenta); color: var(--paper); }
.culture-method .section-heading > p, .culture-method .process-list p { color: var(--paper); }
.culture-method .process-list li { border-color: var(--paper); }
.culture-method .item-number { border-color: var(--paper); color: var(--paper); }
.scope-layout { display: grid; grid-template-columns: minmax(0, .65fr) minmax(0, 1.35fr); gap: 5rem; }
.scope-index { font-size: clamp(8rem, 20vw, 18rem); line-height: 1; background: var(--nasah-yellow); display: flex; align-items: center; justify-content: center; }
.scope-layout h2 { margin: 1.25rem 0 1.75rem; max-width: 42rem; }
.scope-layout p:not(.eyebrow) { max-width: 41rem; }
.scope-layout .scope-note { padding-top: 1.5rem; border-top: 1px solid var(--line); margin-top: 1.75rem; }

.page-ai { --accent: var(--nasah-blue); }
.hero-ai { background: var(--text); color: var(--paper); }
.hero-ai .hero-intro { color: var(--nasah-descriptor-dark); }
.hero-ai .button-primary { background: var(--nasah-blue); color: var(--text); }
.hero-ai .button-primary:hover { background: var(--paper); }
.hero-ai .text-link { color: var(--paper); }
.hero-ai :focus-visible { outline-color: var(--nasah-yellow); }
.ai-map { padding: 1rem 0; }
.ai-map figcaption { font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 3rem; color: var(--nasah-descriptor-dark); }
.diagram-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--muted); border-left: 1px solid var(--muted); }
.diagram-step { min-height: 170px; display: flex; flex-direction: column; align-items: flex-start; padding: 1.5rem; border-right: 1px solid var(--muted); border-bottom: 1px solid var(--muted); gap: 1.25rem; }
.diagram-number { font-size: .6875rem; color: var(--nasah-descriptor-dark); }
.diagram-step strong { font-size: clamp(1.125rem, 1.75vw, 1.5rem); font-weight: 500; letter-spacing: -.025em; line-height: 1.3; overflow-wrap: anywhere; }
.diagram-arrow { align-self: flex-end; font-size: 1.5rem; line-height: 1; color: var(--nasah-blue); }
.step-2 { background: var(--nasah-blue); color: var(--text); }
.step-2 .diagram-number, .step-2 .diagram-arrow { color: var(--text); }
.diagram-note { font-size: .75rem; padding-top: 1.5rem; margin-top: 0; }
.ai-process { background: var(--surface); }
.ai-process-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 3rem; }
.ai-process-list li { border-top: 2px solid var(--action); border-right: 1px solid var(--line); padding: 1.5rem 1.5rem 0; }
.ai-process-list li:first-child { padding-left: 0; }
.ai-process-list li:last-child { border-right: 0; padding-right: 0; }
.ai-process-list .item-number { color: var(--action); font-size: 2.5rem; line-height: 1; letter-spacing: -.05em; margin-bottom: 2rem; }
.ai-process-list h3 { font-size: 1.25rem; }
.ai-process-list p { font-size: .875rem; }
.criteria-list { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.criteria-list li { border-top: 1px solid var(--line); padding-top: 1.25rem; }
.criteria-list .item-number { margin-bottom: 1.5rem; }
.criteria-list h3 { font-size: 1.25rem; }
.criteria-list p { font-size: .875rem; }
.ai-experience { background: var(--action); color: var(--paper); }
.ai-experience .experience-layout h2 { max-width: 34rem; }

@media (min-width: 960px) {
  .menu-toggle { display: none !important; }
}
@media (max-width: 1100px) {
  .primary-nav { gap: 1.5rem; }
  .primary-nav .nav-contact { margin-left: 0; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .hero-layout { gap: 2rem; }
  .hero-map { padding: 1.75rem; }
  .split-section { gap: 3rem; }
  .footer-top { gap: 2rem; }
}
@media (max-width: 959px) {
  .header-inner { flex-wrap: wrap; gap: 0; min-height: 88px; }
  .brand-link img { width: 144px; }
  .menu-toggle:not([hidden]) { display: inline-flex; }
  .primary-nav { width: 100%; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-block: 1rem .5rem; }
  .js .primary-nav:not(.is-open) { display: none; }
  .hero-layout, .hero-culture .hero-layout { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .hero h1 { font-size: clamp(2.5rem, 5.75vw, 3.75rem); }
  .hero-intro { font-size: 1rem; }
  .hero-map { min-height: 380px; padding: 1.5rem; }
  .map-caption { margin-bottom: 2.5rem; }
  .map-row { gap: .5rem; }
  .map-row strong { font-size: 2rem; }
  .hero-culture .hero-layout { align-items: start; }
  .culture-art { padding-top: 3.5rem; }
  .wide-heading { gap: 1.25rem 3rem; }
  .culture-list { gap: 1.75rem; }
  .culture-list h3 { font-size: 1.375rem; }
  .ai-process-list { grid-template-columns: 1fr 1fr; gap: 2.5rem 0; }
  .ai-process-list li:nth-child(3) { padding-left: 0; }
  .ai-process-list li:nth-child(2) { border-right: 0; padding-right: 0; }
  .diagram-step { min-height: 150px; padding: 1rem; }
  .diagram-step strong { font-size: 1.0625rem; }
  .experience-layout { gap: 1.5rem 3rem; }
  .footer-top { grid-template-columns: 1.3fr 1fr; }
  .footer-contact { grid-column: 2; }
  .footer-brand { grid-row: span 2; }
}
@media (max-width: 719px) {
  :root { --space-section: 4rem; }
  .preview-strip { font-size: .625rem; }
  .preview-strip span { margin-inline: .25rem; }
  .header-inner { min-height: 84px; }
  .brand-link img { width: 142px; }
  .menu-toggle { padding: .65rem; font-size: .6875rem; gap: .5rem; }
  .primary-nav { flex-direction: column; align-items: stretch; gap: 0; padding-block: 1rem .25rem; }
  .primary-nav a { min-height: 48px; padding: .8rem 0; border-top: 1px solid var(--line); }
  .primary-nav .nav-contact { border-bottom: 0; justify-content: space-between; }
  .hero { padding-block: 3rem 4rem; }
  .hero-layout, .hero-culture .hero-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero h1 { font-size: clamp(2.5rem, 9.4vw, 4rem); letter-spacing: -.05em; }
  .hero .eyebrow { margin-bottom: 1.5rem; }
  .hero-intro { margin-top: 1.5rem; max-width: 34rem; }
  .hero-actions { margin-top: 1.75rem; }
  .hero-map { min-height: 0; padding: 1.75rem; margin: 0; }
  .map-caption { margin-bottom: 2rem; }
  .map-row { padding-block: 1.25rem; }
  .map-row strong { font-size: 2.25rem; }
  .map-bottom { padding-top: 1.5rem; }
  .button { font-size: .8125rem; gap: 1rem; max-width: 100%; }
  .split-section { grid-template-columns: 1fr; gap: 2.5rem; }
  .section-heading h2 { margin-top: 1rem; }
  .section-heading > p:not(.eyebrow) { margin-top: 1.25rem; }
  .service-list li { gap: 1rem; grid-template-columns: 1.5rem minmax(0, 1fr); padding-block: 1.5rem; }
  .service-list h3 { font-size: 1.25rem; }
  .service-list p { font-size: .9375rem; }
  .area-section .section-heading { margin-bottom: 2rem; }
  .area-links { grid-template-columns: 1fr; }
  .area-link { min-height: 315px; padding: 1.75rem; gap: 2.5rem; }
  .area-link h3 { font-size: 1.375rem; margin-top: 1.75rem; }
  .area-link-bottom { font-size: .8125rem; }
  .section-mark { display: none; }
  .process-list li { grid-template-columns: 2.5rem minmax(0, 1fr); }
  .experience-layout { grid-template-columns: 1fr; gap: 1.25rem; }
  .experience-layout > .eyebrow { grid-column: auto; }
  .experience-copy { padding-top: .75rem; }
  .faq-list summary { font-size: .9375rem; gap: 1rem; }
  .faq-answer { padding-right: 1.5rem; font-size: .9375rem; }
  .contact-section .split-section { gap: 2rem; }
  .footer-top { grid-template-columns: 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
  .footer-brand { grid-row: auto; }
  .footer-contact { grid-column: auto; }
  .footer-top h2 { margin-bottom: .75rem; }
  .footer-bottom { gap: 1rem; align-items: flex-start; flex-wrap: wrap; }
  .site-footer { padding-top: 3rem; }
  .culture-art { padding-top: 0; }
  .culture-art figcaption { font-size: .6875rem; }
  .wide-heading { display: block; }
  .wide-heading > p:not(.eyebrow) { margin-top: 1.5rem; }
  .culture-list { grid-template-columns: 1fr; gap: 2rem; margin-top: 2.5rem; }
  .culture-list li { display: grid; grid-template-columns: 1.5rem minmax(0, 1fr); gap: 1rem; }
  .culture-list .item-number { margin-bottom: 0; padding-top: .25rem; }
  .culture-list h3 { max-width: none; font-size: 1.375rem; }
  .scope-layout { grid-template-columns: 1fr; gap: 2rem; }
  .scope-index { display: none; }
  .scope-layout h2 { margin-bottom: 1.5rem; }
  .culture-scope { border-bottom: 8px solid var(--nasah-yellow); }
  .ai-map { padding-top: .5rem; }
  .ai-map figcaption { margin-bottom: 1.5rem; }
  .diagram-step { min-height: 160px; padding: 1.25rem; }
  .diagram-step strong { font-size: 1.125rem; }
  .ai-process-list { grid-template-columns: 1fr; gap: 2rem; margin-top: 2.5rem; }
  .ai-process-list li { border-right: 0; display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1.25rem; padding: 1.5rem 0 0; }
  .ai-process-list .item-number { font-size: 2rem; margin-bottom: 0; }
  .ai-process-list p { font-size: .9375rem; }
  .criteria-list { grid-template-columns: 1fr; gap: 1.75rem; }
  .criteria-list li { display: grid; grid-template-columns: 1.5rem minmax(0, 1fr); gap: 1rem; }
  .criteria-list .item-number { margin: 0; }
}
@media (max-width: 359px) {
  .menu-toggle { flex-direction: column; gap: .4rem; }
  .header-inner { column-gap: .5rem; }
  .hero h1 { font-size: 2.5rem; }
  .hero .eyebrow { font-size: .6875rem; }
  .map-row strong { font-size: 2rem; }
  .diagram-step { padding: 1rem; }
  .diagram-step strong { font-size: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Presentation data remains plain text; paragraphs preserve editorial breaks. */
.editorial-text { white-space: pre-line; }
.hero-general h1 { max-width: 13.5ch; }
.hero-general h1 > span { display: block; }
.area-links > :nth-child(odd) { background: var(--nasah-magenta); color: var(--paper); }
.area-links > :nth-child(even) { background: var(--paper); color: var(--text); border: 1px solid var(--line); border-top: 8px solid var(--nasah-blue); }
.area-links > :nth-child(odd):focus-visible { outline-color: var(--text); }
.area-link .area-item-note { margin-top: 1rem; font-size: .8125rem; }
.presentation-body { width: min(100% - 2 * var(--gutter), 1280px); margin-inline: auto; padding-block: 3rem; }
.standard-page { width: min(100% - 2 * var(--gutter), 75ch); margin-inline: auto; padding-block: 3rem; }
.standard-page h1 { margin-bottom: 2rem; }
.standard-page h2 { margin-block: 2.5rem 1rem; }
.standard-page dl { margin-block: 1.5rem; }
.standard-page dt { font-weight: 600; }
.standard-page dd { margin: 0; }
.standard-page dd + dt, .standard-page dl > div + div { margin-top: 1.5rem; }
.standard-page code { overflow-wrap: anywhere; }
.form-summary:focus { outline: 3px solid var(--nasah-wordmark); outline-offset: 5px; }
.contact-body:empty { display: none; }
.contact-section .split-section:has(.contact-body:empty) { grid-template-columns: 1fr; }

.nav-unavailable { display: block; font-size: .875rem; font-weight: 500; line-height: 1.4; padding-block: .7rem; color: var(--muted); }
.site-footer .nav-unavailable { color: var(--nasah-descriptor-dark); }
@media (max-width: 719px) { .primary-nav .nav-unavailable { min-height: 48px; padding: .8rem 0; border-top: 1px solid var(--line); } }

/* The native content culture picker is supplied by the Site projection. */
.primary-nav { flex-wrap: wrap; justify-content: flex-end; min-width: 0; }
.culture-selector { position: relative; max-width: 100%; }
.culture-toggle { align-items: center; justify-content: center; gap: .45rem; min-height: 44px; padding: .5rem .65rem; border: 1px solid var(--line); border-radius: var(--radius-control); background: var(--paper); font-size: .75rem; font-weight: 500; line-height: 1.4; }
.culture-toggle:not([hidden]) { display: inline-flex; }
.culture-toggle:hover { background: var(--surface); }
.culture-globe, .culture-chevron { display: block; fill: none; stroke: currentColor; stroke-width: 1.5; flex: 0 0 auto; }
.culture-globe { width: 18px; height: 18px; }
.culture-chevron { width: 10px; height: 7px; transition: transform .18s; }
.culture-toggle[aria-expanded='true'] .culture-chevron { transform: rotate(180deg); }
.culture-options { display: flex; flex-wrap: wrap; gap: .75rem; list-style: none; margin: 0; padding: 0; }
.culture-options li { max-width: 100%; line-height: 1.4; font-size: .8125rem; }
.primary-nav .culture-options a, .culture-options .culture-name { display: flex; align-items: center; font-size: .8125rem; padding: .65rem .85rem; min-height: 44px; line-height: 1.4; border: 0; }
.culture-options [aria-current] { font-weight: 700; text-decoration: underline; text-underline-offset: .3em; }
.culture-unavailable { display: block; color: var(--muted); font-size: .6875rem; padding: 0 .85rem .65rem; }
.culture-enhanced .culture-options { position: absolute; inset-inline-end: 0; top: calc(100% + .5rem); z-index: 5; display: block; width: max-content; max-width: min(18rem, calc(100vw - 2 * var(--gutter))); padding: .35rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-control); }
.culture-enhanced .culture-options li + li { border-top: 1px solid var(--line); }
.culture-enhanced .culture-options a:hover { background: var(--surface); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 719px) { .culture-selector { padding-block: .75rem; border-top: 1px solid var(--line); } .culture-enhanced .culture-options { inset-inline-start: auto; inset-inline-end: 0; top: calc(100% - .25rem); } }

/* E1 specialized compositions retain plain editorial titles and optional notes. */
.hero-culture h1 { max-width: 11.7ch; text-wrap: wrap; }
.hero-ai h1 { max-width: 12.3ch; text-wrap: wrap; }
.hero-culture h1 > span, .hero-ai h1 > span { display: block; }
.culture-possibilities .wide-heading .scope-note { grid-column: 1 / -1; }
.culture-method .scope-note { color: var(--paper); }
.culture-method .text-link { color: var(--paper); }
.culture-method :focus-visible { outline-color: var(--nasah-yellow); }
.ai-experience .scope-note, .ai-experience .text-link { color: var(--paper); }
.ai-experience :focus-visible { outline-color: var(--nasah-yellow); }

.motion-panel { position: relative; }
.motion-panel .map-caption { padding-inline-end: 52px; }
.motion-overlay { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: hidden; }
.motion-trace { fill: none; stroke: var(--nasah-blue); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 12 112; opacity: 0; }
.motion-panel[data-motion-state='running'] .motion-trace,
.motion-panel[data-motion-state='paused'] .motion-trace { opacity: 1; }
.motion-controls { position: absolute; left: var(--motion-control-left); top: var(--motion-control-top); width: var(--motion-control-width); height: 44px; display: flex; align-items: center; justify-content: flex-end; }
.motion-controls button { width: 44px; min-width: 44px; height: 44px; padding: .65rem; flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--nasah-descriptor-dark); border-radius: var(--radius-control); background: transparent; color: var(--paper); }
.motion-controls button:hover { background: color-mix(in srgb, var(--paper) 7%, transparent); }
.motion-controls button:focus-visible { outline-color: var(--nasah-yellow); }
.motion-controls button[aria-disabled='true'] { cursor: default; }
.motion-button-icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.motion-button-icon > * { display: none; }
.motion-play { fill: currentColor; stroke: none; }
.motion-pause { stroke-width: 3; }
.motion-panel[data-motion-state='ready'] .motion-play,
.motion-panel[data-motion-state='paused'] .motion-play,
.motion-panel[data-motion-state='reduced'] .motion-play,
.motion-panel[data-motion-state='running'] .motion-pause,
.motion-panel[data-motion-state='finished'] .motion-replay { display: block; }
.motion-reduced-note { position: absolute; left: 0; top: var(--motion-note-top); display: none; font-size: .7rem; line-height: 1.3; }
.motion-panel[data-motion-state='reduced'] .motion-reduced-note { display: block; }
@media (prefers-reduced-motion: reduce) {
  .motion-trace { display: none !important; animation: none !important; }
}