:root { color-scheme: dark; font-family: Arial, Helvetica, sans-serif; color: #eef2f8; background: #090d15; }
* { box-sizing: border-box; }
body { margin: 0; isolation: isolate; }
.starfield { position: absolute; inset: 0 0 auto; height: 850px; z-index: -1; pointer-events: none; overflow: hidden; background: radial-gradient(ellipse at 50% 0, #172340 0, transparent 70%); mask-image: linear-gradient(#000 60%, transparent); }
.starfield span { position: absolute; inset: 0; background-image: radial-gradient(circle at 7% 23%, #c7d7ff 1px, transparent 2px), radial-gradient(circle at 83% 16%, #c7d7ff 1px, transparent 1.5px), radial-gradient(circle at 24% 71%, #c7d7ff 1px, transparent 1.5px), radial-gradient(circle at 92% 68%, #c7d7ff 1.5px, transparent 2px), radial-gradient(circle at 43% 9%, #c7d7ff 1px, transparent 1.5px); background-size: 431px 367px; opacity: .2; animation: twinkle 7s ease-in-out infinite alternate; }
.starfield span:nth-child(2) { background-size: 593px 419px; background-position: 51px 83px; animation-delay: -4s; animation-duration: 11s; }
.starfield span:nth-child(3) { background-size: 719px 533px; background-position: 117px 41px; animation-delay: -2s; animation-duration: 9s; }
@keyframes twinkle { from { opacity: .12; } to { opacity: .42; } }
.star-controls { display: flex; align-items: center; justify-content: flex-end; min-height: 40px; }
.star-toggle { position: static; opacity: 1; width: 22px; height: 22px; margin: 0 10px; accent-color: #c3ceff; cursor: pointer; }
.star-label { font-size: 12px; color: #aab5c7; cursor: pointer; padding: 7px 12px 7px 0; }
.star-label span { margin-right: 6px; }
.star-state { font-size: 12px; color: #aab5c7; min-width: 78px; }
.motion-off { display: none; }
.star-toggle:checked ~ .star-state .motion-on { display: none; }
.star-toggle:checked ~ .star-state .motion-off { display: inline; }
.star-toggle:checked ~ .starfield span { animation-play-state: paused; opacity: .18; }
.star-toggle:focus-visible { outline: 2px solid #b7c8ff; outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) {
  .starfield span { animation: none; }
  .star-controls .star-toggle, .star-controls .star-label, .star-controls .star-state { display: none; }
}
a { color: inherit; text-underline-offset: 5px; }
a:focus-visible { outline: 3px solid #eab58c; outline-offset: 6px; border-radius: 2px; }
.wrap { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.masthead { display: flex; align-items: center; justify-content: space-between; min-height: 96px; border-bottom: 1px solid #344054; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-size: 27px; font-weight: 700; letter-spacing: -1px; text-decoration: none; }
.brand img { object-fit: contain; clip-path: inset(6px round 4px); }
.mobile-menu { display: none; }
nav { display: flex; gap: 32px; font-size: 14px; }
nav a { text-decoration: none; }
nav a:hover, .text-link:hover { text-decoration: underline; }
nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 5px; }
nav[aria-label="Main navigation"] { flex-wrap: wrap; row-gap: 14px; }
.hero { text-align: center; padding-block: 66px 76px; }
.hero h1 { font-size: clamp(40px, 6vw, 82px); }
.hero-status { margin: 26px 0 0; font-size: 11px; letter-spacing: .6px; color: #aab5c7; }
.nav-project { font-weight: 700; }
.project-actions { justify-content: flex-start; flex-wrap: wrap; }
.eyebrow { font-size: 10px; line-height: 1.6; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; }
.status-dot { display: inline-block; width: 6px; height: 6px; margin: 0 7px 1px 0; border-radius: 50%; background: #a6bfff; }
h1, h2, .example-grid h3 { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }
h1 { font-size: clamp(40px, 5.6vw, 76px); line-height: 1.06; letter-spacing: -3.5px; margin: 25px 0 24px; }
h1 em { font-weight: 400; color: #b7c8ff; }
.intro { font-size: 20px; line-height: 1.6; margin: 0; }
.hero-detail { font-size: 15px; line-height: 1.65; color: #aab5c7; margin: 16px 0 26px; }
.actions { display: flex; justify-content: center; align-items: center; gap: 28px; }
.button { display: inline-flex; gap: 24px; text-decoration: none; padding: 16px 22px; background: #c3ceff; color: #101629; border-radius: 6px; font-size: 14px; }
.button:hover { background: #dce3ff; }
.text-link { font-size: 14px; text-decoration: none; }
.mobile-break { display: none; }
.workflow { border: 1px solid #344054; border-radius: 5px; padding: 30px; scroll-margin-top: 24px; }
.section-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
h2 { font-size: clamp(30px, 3.1vw, 42px); line-height: 1.15; letter-spacing: -1.2px; margin: 12px 0 24px; }
.section-top h2 { font-size: 30px; margin: 0; }
.section-top .eyebrow { color: #aab5c7; font-size: 9px; white-space: nowrap; }
.flight-flow { display: grid; grid-template-columns: 1fr 295px; align-items: center; gap: 28px; margin-top: 36px; }
.permission { text-align: center; font-size: 12px; color: #b7c8ff; border: 1px solid #647ba9; border-bottom: 0; border-radius: 6px 6px 0 0; padding: 12px 8px 0; margin: 0; }
.steps { list-style: none; padding: 24px 0 8px; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; }
.step-number { font-size: 10px; letter-spacing: 1px; color: #aab5c7; }
.steps h3, .commitment h3 { font-size: 14px; font-weight: 400; margin: 8px 0 20px; }
.step-icon { display: grid; place-items: center; margin: auto; border-radius: 50%; width: 54px; height: 54px; background: #202d48; color: #b7c8ff; font-size: 35px; line-height: 1; }
.steps p { font-size: 12px; line-height: 1.6; color: #aab5c7; }
.commitment { border: 1px solid #eab58c; border-radius: 5px; text-align: center; padding: 20px 16px 12px; background: #1c202c; }
.commitment h3 { margin-bottom: 16px; }
.route { font-family: Georgia, serif; font-size: 27px; margin: 0 0 8px; }
.route span { color: #eab58c; margin-inline: 8px; }
.fare { font-size: 12px; margin: 8px 0; }
.scope { font-size: 10px; color: #aab5c7; }
.approval-example { color: #eab58c; font-size: 13px; border-top: 1px solid #685342; padding: 14px 8px 0; margin-top: 18px; line-height: 1.8; }
.approval-example small { color: #aab5c7; font-size: 11px; }
.example-note { color: #aab5c7; font-size: 9px; line-height: 1.5; margin-bottom: 0; }
.workflow-note { margin: 26px 0 0; padding-top: 16px; border-top: 1px solid #2b3547; color: #aab5c7; text-align: center; font-size: 11px; line-height: 1.6; }
.examples { padding-block: 72px 52px; }
.section-heading { text-align: center; margin-bottom: 40px; }
.example-grid, .security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.example-grid article + article { border-left: 1px solid #2b3547; padding-left: 34px; }
.category { font-size: 10px; letter-spacing: 1px; color: #aab5c7; }
.example-grid h3 { font-size: 29px; margin: 16px 0; }
.example-grid p, .security-grid p, .concept p, .project-status p:not(.eyebrow) { font-size: 14px; line-height: 1.8; color: #aab5c7; }
.example-grid .boundary { color: #edbc98; font-size: 12px; margin-top: 22px; }
.caption { font-size: 11px; color: #aab5c7; margin-top: 36px; text-align: center; line-height: 1.6; }
.concept { border-block: 1px solid #344054; padding-block: 64px; display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.concept h2 { font-size: 46px; }
.receipt { background: #121b2a; border: 1px solid #2b3547; padding: 30px; border-radius: 3px; }
.receipt-title { font-size: 13px; display: flex; justify-content: space-between; }
.receipt-title span { font-size: 10px; color: #aab5c7; }
dl { margin: 24px 0; }
dl div { display: grid; grid-template-columns: 90px 1fr; border-bottom: 1px solid #2b3547; padding: 13px 0; font-size: 12px; gap: 12px; }
dt { color: #aab5c7; } dd { margin: 0; font-family: monospace; }
.receipt p { font-size: 12px; margin-bottom: 0; }
.security { padding-block: 64px; scroll-margin-top: 24px; }
.security-grid h3 { font-size: 16px; font-weight: 500; }
.project-status { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding-block: 40px; border-top: 1px solid #344054; }
.project-status h2 { font-size: 34px; }
footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid #344054; padding-block: 28px; font-size: 11px; color: #aab5c7; }
.footer-brand { font-size: 18px; font-weight: 700; color: #eef2f8; }
.skip { position: absolute; top: 8px; left: 8px; padding: 12px; background: #121b2a; transform: translateY(-200%); z-index: 10; }
.skip:focus { transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.docs-shell { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 56px; padding-block: 48px 72px; }
.vision { padding-block: 72px 36px; }
.mandate-token { display: inline-flex; align-items: center; gap: 18px; border: 1px solid #647ba9; border-radius: 24px; padding: 9px 14px; color: #c3ceff; font-size: 12px; }
.verification-boundary { display: block; color: #edbc98; font-size: 12px; line-height: 1.8; }
.simple-flow .verifying-role { border-left: 2px solid #eab58c; }
.simple-flow .authority-roles li { display: flex; flex-direction: column; align-items: flex-start; }
.simple-flow .authority-roles p { flex: 1; }
.authority-flow { margin: 24px 0; border: 1px solid #344054; border-radius: 5px; overflow: hidden; }
.authority-flow figcaption { padding: 18px 22px; border-bottom: 1px solid #2b3547; font-size: 12px; color: #b7c8ff; }
.authority-roles { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 0; margin: 0; }
.authority-roles li { padding: 24px; min-width: 0; }
.authority-roles li + li { border-left: 1px solid #2b3547; margin-top: 0; }
.authority-roles h3 { font-family: Georgia, serif; font-size: 24px; font-weight: 400; margin: 14px 0; }
.authority-roles p, .prose .authority-roles p { font-size: 14px; line-height: 1.7; }
.verifying-role { background: #1c202c; }
.flow-handoff { display: block; margin-top: 20px; font-size: 12px; color: #edbc98; line-height: 1.6; }
.flow-outcomes { padding: 12px 22px; background: #151f30; border-top: 1px solid #2b3547; }
.flow-outcomes p, .prose .flow-outcomes p { font-size: 13px; line-height: 1.7; }
.flow-caption, .prose .flow-caption { padding: 0 22px 12px; font-size: 12px; line-height: 1.7; color: #aab5c7; }
.docs-nav { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; font-size: 14px; }
.docs-nav a[aria-current="page"] { text-decoration: underline; font-weight: 700; }
.prose { max-width: 820px; min-width: 0; overflow-wrap: anywhere; }
.prose h1 { font-size: clamp(36px, 5vw, 58px); letter-spacing: -2px; }
.prose h2 { font-size: 30px; margin-top: 42px; }
.prose h3 { font-size: 20px; font-weight: 500; margin-top: 28px; }
.prose p, .prose li { font-size: 16px; line-height: 1.8; }
.prose li + li { margin-top: 10px; }
.doc-summary { color: #aab5c7; }
.doc-notice { border-left: 3px solid #eab58c; padding: 12px 18px; background: #1c202c; }
.prose table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 13px; line-height: 1.6; }
.prose th, .prose td { border-bottom: 1px solid #344054; padding: 12px 8px; text-align: left; vertical-align: top; }
.prose pre { white-space: pre-wrap; overflow-wrap: anywhere; padding: 20px; background: #121b2a; font-size: 13px; line-height: 1.8; }
.prose code { font-family: monospace; }
@media (max-width: 960px) {
  .prose .authority-roles { grid-template-columns: 1fr; }
  .prose .authority-roles li + li { border-left: 0; border-top: 1px solid #2b3547; }
  .wrap { width: calc(100% - 48px); } .flight-flow { gap: 18px; grid-template-columns: 1fr 260px; }
  .workflow { padding: 24px; } .section-top { align-items: flex-start; flex-direction: column; gap: 12px; }
  .concept, .project-status { gap: 40px; } .example-grid, .security-grid { gap: 22px; }
  .example-grid article + article { padding-left: 22px; }
}
@media (max-width: 680px) {
  .masthead { position: relative; }
  .masthead .desktop-nav { display: none; }
  .mobile-menu { display: block; margin-left: auto; }
  .mobile-menu summary { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 12px; border: 1px solid #344054; border-radius: 6px; cursor: pointer; font-size: 14px; list-style: none; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary:focus-visible { outline: 2px solid #c3ceff; outline-offset: 4px; }
  .mobile-menu nav { position: absolute; top: calc(100% - 1px); left: 0; right: 0; width: auto; z-index: 5; display: flex; flex-direction: column; gap: 0; padding: 12px; background: #121b2a; border: 1px solid #344054; border-radius: 0 0 8px 8px; box-shadow: 0 16px 32px #0008; }
  .mobile-menu nav a { padding-inline: 12px; }
  .simple-flow .verifying-role { border-left: 0; border-top: 2px solid #eab58c; }
  .mandate-token span { display: inline-block; transform: rotate(90deg); }
  .authority-roles { grid-template-columns: 1fr; }
  .authority-roles li + li { border-left: 0; border-top: 1px solid #2b3547; }
  .docs-shell { grid-template-columns: 1fr; gap: 28px; padding-top: 26px; }
  .docs-nav { flex-direction: row; flex-wrap: wrap; justify-content: flex-start; gap: 18px; }
  .prose table { font-size: 14px; }
  .prose th, .prose td { padding: 8px 4px; }
  .wrap { width: calc(100% - 36px); } .masthead { min-height: 80px; flex-wrap: wrap; padding-block: 16px; gap: 16px; }
  .brand { font-size: 24px; } nav { gap: 8px 18px; font-size: 14px; width: 100%; justify-content: flex-start; }
  nav a, footer a { display: inline-flex; align-items: center; min-height: 44px; }
  .star-label { min-height: 44px; display: inline-flex; align-items: center; font-size: 13px; padding-inline: 14px; }
  .hero { padding-block: 44px 38px; } h1 { font-size: clamp(35px, 8vw, 53px); letter-spacing: -1.6px; }
  .intro { font-size: 18px; } .mobile-break { display: initial; } .hero-detail { font-size: 16px; }
  .hero-status { font-size: 13px; line-height: 1.7; }
  .actions { gap: 12px; flex-wrap: wrap; } .button { padding: 14px 18px; gap: 12px; font-size: 15px; min-height: 48px; } .text-link { font-size: 15px; display: inline-flex; align-items: center; min-height: 44px; }
  .workflow { padding: 22px 14px 16px; } .section-top h2 { font-size: 27px; }
  .flight-flow { grid-template-columns: 1fr; gap: 20px; margin-top: 22px; }
  .steps { grid-template-columns: 1fr; text-align: left; padding-block: 20px; gap: 24px; }
  .steps li { display: grid; grid-template-columns: 48px minmax(0, 1fr); column-gap: 16px; }
  .steps .step-number { grid-column: 2; font-size: 12px; }
  .steps h3 { grid-column: 2; font-size: 17px; margin: 5px 0 8px; }
  .steps .step-icon { grid-column: 1; grid-row: 1 / 4; width: 44px; height: 44px; font-size: 28px; align-self: center; }
  .steps p { grid-column: 2; font-size: 15px; margin: 0; }
  .permission { font-size: 14px; line-height: 1.6; padding: 12px; border-bottom: 1px solid #647ba9; border-radius: 6px; }
  .commitment { max-width: 360px; width: 100%; margin: auto; padding: 24px 18px; }
  .commitment h3 { font-size: 18px; }
  .step-number, .category { font-size: 12px; line-height: 1.6; }
  .fare { font-size: 16px; line-height: 1.6; }
  .scope, .example-note, .approval-example small { font-size: 14px; line-height: 1.6; }
  .approval-example { font-size: 16px; }
  .workflow-note, .caption { font-size: 14px; line-height: 1.7; }
  .section-top .eyebrow { white-space: normal; font-size: 11px; }
  .examples, .security { padding-block: 44px; }
  .authority-flow figcaption, .flow-caption, .prose .flow-caption, .mandate-token, .verification-boundary, .flow-handoff { font-size: 14px; line-height: 1.7; }
  .authority-roles p, .prose .authority-roles p, .flow-outcomes p, .prose .flow-outcomes p { font-size: 16px; }
  .security-grid p, .concept p, .project-status p:not(.eyebrow) { font-size: 16px; }
  .example-grid, .security-grid, .concept, .project-status { grid-template-columns: 1fr; gap: 24px; }
  .example-grid article + article { border-left: 0; border-top: 1px solid #2b3547; padding: 24px 0 0; }
  .example-grid h3 { margin-block: 12px; } .example-grid p { margin-block: 12px; }
  .section-heading { margin-bottom: 28px; } .concept { padding-block: 40px; } .concept h2 { font-size: 39px; }
  .receipt { padding: 22px; } .project-status { gap: 4px; }
  .receipt-title { font-size: 16px; } .receipt-title span { font-size: 12px; }
  dl div { grid-template-columns: 72px minmax(0, 1fr); font-size: 14px; line-height: 1.6; }
  dd { overflow-wrap: anywhere; }
  .receipt p { font-size: 15px; }
  footer { flex-wrap: wrap; font-size: 14px; line-height: 1.7; } footer span:nth-child(2) { order: 3; width: 100%; }
}