:root { color-scheme: light; --ink: #303840; --muted: #596a7e; --link: #70518d; --line: #dce2e7; --tint: #f4f6f8; }
* { box-sizing: border-box; }
html { scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: #fff; font: 16px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
button, input { font: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid #4382b1; outline-offset: 4px; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link:focus { position: fixed; z-index: 10; padding: 10px 20px; background: white; }
.site-header { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 32px; min-height: 64px; padding: 12px 24px; background: #fff; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 40px; font-size: 32px; line-height: 1; text-decoration: none; }
.site-navigation { display: flex; align-items: center; flex: 1; gap: 24px; }
.primary-nav, .project-nav { display: flex; align-items: center; gap: 22px; }
.site-header nav a { font-size: 14px; color: var(--ink); text-decoration: none; white-space: nowrap; }
.site-header nav a:hover { color: var(--link); text-decoration: underline; }
.project-nav { margin-left: auto; }
.site-search input { width: 135px; min-width: 0; padding: 5px 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--tint); font-size: 13px; }
.menu-toggle { border: 1px solid var(--line); background: white; padding: 4px 12px; cursor: pointer; }
.hero { position: relative; isolation: isolate; overflow: hidden; padding: 104px 24px 96px; background: #302b43; color: #fff; text-align: center; }
.hero-content { position: relative; z-index: 1; max-width: 740px; margin: auto; }
h1, h2, h3 { line-height: 1.25; font-weight: 450; }
.hero h1 { font-size: clamp(44px, 6vw, 64px); margin: 0 0 16px; letter-spacing: -1px; }
.hero .tagline { font-size: 19px; margin: 0 auto 18px; text-align: center; }
.hero p { max-width: 680px; margin: 0 auto 24px; }
.actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 20px; margin: 28px 0 0; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 16px; min-width: 142px; padding: 10px 20px; background: #475b72; color: #fff; text-decoration: none; font-size: 15px; }
.button:hover { background: #354b61; text-decoration: none; }
.hero .button { background: #6a567e; }
.hero .button:hover { background: #7b6592; }
.home-section { max-width: 820px; padding: 88px 24px 28px; margin: auto; text-align: center; }
.home-section h2 { color: var(--muted); font-size: 30px; margin: 0 0 26px; }
.home-section p { margin: 0 auto 22px; max-width: 730px; }
.usage-example { padding-top: 28px; }
h3 { color: var(--muted); font-size: 24px; margin: 12px 0 20px; }
pre { text-align: left; overflow-x: auto; padding: 22px; background: var(--tint); border: 1px solid var(--line); font: 14px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace; margin: 28px 0 22px; }
.participate { padding-bottom: 116px; }
.site-footer { padding: 52px 24px 36px; text-align: center; background: #f7f9fa; }
.site-footer .brand { margin-bottom: 22px; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 24px; margin: 10px 0; }
.site-footer nav a { font-size: 14px; text-decoration: none; }
.site-footer nav a:hover { text-decoration: underline; }
.site-footer p { color: var(--muted); font-size: 13px; margin-top: 24px; }
.page-content { max-width: 820px; margin: auto; padding: 65px 24px 100px; min-height: 65vh; }
.page-content h1 { font-size: 42px; color: var(--muted); margin: 0 0 28px; }
.page-content h2 { font-size: 25px; margin: 38px 0 14px; }
.page-content li { margin-bottom: 12px; }
.channel-list li { scroll-margin-top: 100px; }
@media (max-width: 1150px) {
  .site-header { gap: 20px; padding-inline: 18px; }
  .site-navigation { gap: 16px; }
  .primary-nav, .project-nav { gap: 14px; }
  .site-search input { width: 110px; }
}
@media (max-width: 1000px) {
  .site-header { flex-wrap: wrap; justify-content: space-between; }
  .menu-toggle:not([hidden]) { display: block; }
  .site-navigation { flex-basis: 100%; flex-wrap: wrap; padding: 12px 0; }
  .primary-nav { width: 100%; flex-wrap: wrap; gap: 14px 22px; }
  .project-nav { margin: 0; }
  .site-search { margin-left: auto; }
  .site-search input { width: 160px; }
  .js .site-navigation:not(.is-open) { display: none; }
}
@media (min-width: 1001px) { .menu-toggle { display: none; } }
@media (max-width: 600px) {
  .hero { padding: 65px 22px; }
  .hero .tagline { font-size: 17px; }
  .home-section { padding-top: 60px; }
  .home-section h2 { font-size: 27px; }
  .actions { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; }
  #about .actions { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .button { min-width: 0; min-height: 44px; gap: 6px; padding: 10px 8px; font-size: 13px; }
  .participate { padding-bottom: 70px; }
  .page-content { padding-top: 44px; }
  .page-content h1 { font-size: 36px; }
}

/* Project logos and diagrams use local assets and readable HTML labels. */
.technology-logos { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); align-items: center; gap: 24px; margin: 38px 0; }
.technology-logos a { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 72px; min-width: 0; text-decoration: none; color: var(--ink); }
.technology-logos img { object-fit: contain; max-width: 100%; }
.rust-logo span { font-size: 23px; font-weight: 600; }
.usage-section { max-width: 1060px; }
.usage-example + .usage-example { margin-top: 66px; }
.data-diagram, .application-diagram { margin: 34px 0 26px; }
.data-flow { display: grid; grid-template-columns: minmax(0,1fr) 24px minmax(0,1fr) 24px minmax(0,1fr); gap: 12px; align-items: stretch; }
.diagram-step { display: flex; flex-direction: column; min-width: 0; padding: 20px 16px; border: 1px solid var(--line); background: #fff; }
.diagram-step h4 { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; font-size: 16px; font-weight: 600; line-height: 1.4; margin: 0 0 22px; }
.diagram-step small, .application-diagram small { display: block; font-size: 12px; color: var(--muted); line-height: 1.6; }
.diagram-step img, .application-diagram img { object-fit: contain; max-width: 100%; }
.diagram-arrow { display: flex; align-items: center; justify-content: center; font-size: 26px; color: #71899c; }
.source-group { padding: 12px 0; }
.source-group + .source-group { border-top: 1px solid var(--line); margin-top: 12px; padding-top: 18px; }
.source-group > strong { display: block; font-size: 13px; font-weight: 500; color: var(--muted); margin-bottom: 10px; }
.source-group > img { display: block; margin: 0 auto 10px; }
.database-logos { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 14px 0; }
.postgres-logo { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; }
.source-step .source-note { font-size: 11px; line-height: 1.6; margin: auto 0 0; padding-top: 14px; color: var(--muted); }
.diagram-step > small:last-child { margin-top: auto; padding-top: 14px; }
.mapping-step { background: #f7fafc; }
.mapping-step h4 span { font-size: 24px; line-height: 1; }
.mapping-key { margin: 0; text-align: left; }
.mapping-key > div { padding: 10px 0; border-bottom: 1px solid var(--line); }
.mapping-key dt { font-size: 13px; }
.mapping-key dd { margin: 3px 0 0; font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.mapped-graph { display: block; width: 100%; height: auto; margin: 8px 0; }
.query-languages { display: flex; justify-content: center; flex-wrap: wrap; gap: 7px; font-size: 12px; color: var(--link); }
.query-step pre { padding: 16px 10px; font-size: 12px; line-height: 1.8; margin: 24px 0 18px; white-space: pre-wrap; overflow-wrap: anywhere; }
.example-result { display: grid; grid-template-columns: 1fr 1fr; border-block: 1px solid var(--line); padding: 8px 0; margin: 0 0 14px; font: 12px/1.6 ui-monospace, monospace; }
.data-diagram figcaption, .application-diagram figcaption { color: var(--muted); font-size: 13px; margin: 20px auto 0; line-height: 1.8; max-width: 700px; }
.application-boundary { border: 1px dashed #a5b4c1; padding: 26px 30px; }
.application-label { display: flex; align-items: center; justify-content: center; gap: 12px; text-align: left; font-size: 16px; }
.application-label small { font-size: 11px; }
.application-flow { display: grid; grid-template-columns: minmax(0,1fr) 30px minmax(0,1fr) 30px minmax(0,1fr); gap: 20px; align-items: stretch; padding: 30px 0; }
.application-flow strong { display: flex; justify-content: center; align-items: center; font-size: 15px; font-weight: 600; line-height: 1.3; margin: 0; }
.application-input, .application-output, .embedded-engine { display: grid; grid-template-rows: 76px 40px minmax(40px, auto); align-items: start; min-width: 0; padding: 18px 12px; border: 1px solid transparent; }
.code-symbol { display: flex; align-items: center; justify-content: center; height: 76px; font: 34px/1 ui-monospace, monospace; color: #71899c; }
.embedded-engine { background: #eef4f8; border-color: #c4d3df; }
.engine-orchid { display: flex; align-items: center; justify-content: center; height: 76px; font-size: 42px; line-height: 1; }
.embedded-engine strong { font-size: 20px; }
.application-output img { display: block; height: 76px; margin: 0 auto; }
.execution-foundation { border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(2, minmax(0,220px)); justify-content: center; gap: 36px; padding-top: 24px; }
.execution-foundation > div { display: grid; grid-template-rows: 40px auto; justify-items: center; align-items: center; }
.execution-foundation small { margin-top: 8px; }
@media (min-width: 761px) and (max-width: 1000px) {
  .database-logos { flex-direction: column; gap: 8px; }
  .application-flow { gap: 12px; }
}
@media (max-width: 760px) {
  .technology-logos { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); justify-items: center; gap: 16px 24px; }
  .technology-logos img { max-width: 100%; }
  .technology-logos a { max-width: 100%; }
  .data-flow, .application-flow { display: flex; flex-direction: column; align-items: center; gap: 10px; }
  .diagram-step { width: 100%; padding: 24px; }
  .diagram-arrow { transform: rotate(90deg); min-height: 34px; }
  .source-group { padding: 12px; }
  .mapping-key { max-width: 300px; margin-inline: auto; }
  .mapped-graph { max-width: 300px; margin-inline: auto; }
  .query-step pre { max-width: 300px; margin-inline: auto; font-size: 13px; }
  .example-result { max-width: 300px; margin-inline: auto; }
  .application-boundary { padding: 24px 18px; }
  .application-flow { padding: 28px 0; }
  .embedded-engine { width: 100%; max-width: 320px; }
  .execution-foundation { gap: 18px; }
  .execution-foundation img { max-width: 100%; height: 34px; }
  .execution-foundation small { font-size: 11px; }
  .usage-example + .usage-example { margin-top: 46px; }
}

/* Original IR diagram, preserved alongside the technology logos. */
.architecture { max-width: 550px; margin: 40px auto; font-size: 16px; }
.language-row, .engine-row { display: flex; gap: 8px; }
.language-row span, .engine-row span, .flow-box { flex: 1; border: 1px solid #c4ced6; padding: 13px 8px; background: var(--tint); }
.architecture small { display: block; font-size: 13px; color: var(--muted); }
.flow-arrow { color: #8497a8; line-height: 1.6; font-size: 22px; }
.result-box { background: #eaf1f6; }
@media (max-width: 600px) {
  .architecture { font-size: 14px; }
  .architecture small { font-size: 11px; }
}

/* Decorative graph animation. The central text area remains quiet. */
.hero-graph { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: -1; }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0; background: linear-gradient(90deg, transparent, rgba(36,55,70,.8) 33%, rgba(36,55,70,.8) 67%, transparent); }
.animation-toggle { position: absolute; right: 20px; bottom: 16px; z-index: 2; padding: 4px 9px; border: 1px solid #698194; border-radius: 3px; color: #dde7ef; background: #302b43; cursor: pointer; font-size: 11px; }
@media (max-width: 760px) {
  .hero::after { background: rgba(36,55,70,.38); }
  .animation-toggle { right: 12px; bottom: 10px; }
}

/* Installation and client APIs follow the plain project-site layout. */
.lake-box { display: flex; align-items: center; justify-content: center; gap: 20px; }
.lake-box img { max-width: 30%; object-fit: contain; }
.client-languages { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 38px 0; }
.client-languages > div { display: grid; grid-template-rows: 56px 52px auto; justify-items: center; align-items: center; }
.client-languages strong { font-size: 15px; line-height: 1.5; }
.client-languages span, .client-flow small { color: var(--muted); font-size: 12px; line-height: 1.6; }
.client-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 18px; margin: 28px 0; padding: 24px 16px; border-block: 1px solid var(--line); }
.client-flow small { display: block; margin-top: 6px; }
.client-flow b { font-weight: 400; color: var(--muted); }
.install-options { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 28px 0; }
.install-options[hidden], .install-panel[hidden] { display: none; }
.install-options button, .copy-install { padding: 8px 18px; border: 1px solid var(--line); border-radius: 3px; background: white; color: var(--ink); cursor: pointer; }
.install-options button[aria-pressed="true"] { background: #302b43; color: white; border-color: #302b43; }
.install-panel { text-align: left; padding: 24px; border: 1px solid var(--line); background: var(--tint); }
.install-panel pre { background: white; white-space: pre-wrap; overflow-wrap: anywhere; margin: 16px 0; }
.install-panel h3 { margin-top: 0; }
.install-panel p.install-note { color: var(--muted); font-size: 13px; margin: 18px 0; }
.install-section .copy-status { min-height: 1.7em; margin: 12px 0 0; font-size: 13px; }
@media (max-width: 600px) {
  .client-languages { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 14px; }
  .client-flow { grid-template-columns: 1fr; gap: 12px; }
  .client-flow b { transform: rotate(90deg); }
  .install-panel { padding: 18px; }
  .lake-box { gap: 12px; }
}

/* Recorded upstream conformance, with explicit SPARQL scope. */
.conformance-scores { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 30px 0 24px; }
.conformance-scores a { display: flex; flex-direction: column; align-items: center; padding: 22px 12px; border-block: 1px solid var(--line); text-decoration: none; }
.conformance-scores a:hover { background: var(--tint); }
.conformance-scores strong { font-size: 42px; font-weight: 500; line-height: 1.2; }
.conformance-scores span { margin: 8px 0; font-size: 20px; color: var(--ink); }
.conformance-scores small { color: var(--muted); font-size: 13px; }
.home-section .conformance-scope { font-size: 13px; color: var(--muted); max-width: 700px; }
@media (max-width: 600px) {
  .conformance-scores { grid-template-columns: 1fr; gap: 12px; }
  .conformance-scores a { padding: 18px 12px; }
}

/* Approved Orchid kamon landing design. */

:root{--ink:#352330;--muted:#766770;--link:#83546b;--line:#e1d9dd;--tint:#f7f4f5}body{color:var(--ink)}.site-header{position:relative;max-width:1440px;margin:auto;padding:17px 40px;gap:34px;border-bottom:1px solid #e9e2e5;min-height:82px}.brand{gap:10px;min-width:148px}.wordmark{font-size:21px;font-weight:600;letter-spacing:-.65px}.crest-icon{object-fit:contain;flex-shrink:0}.site-navigation{gap:20px}.primary-nav,.project-nav{gap:18px}.site-header nav a{font-size:12px}.site-search input{width:118px;border-radius:3px;background:transparent;font-size:12px}.hero:after{display:none}.hero-content{max-width:none;margin:0}.hero h1{font-weight:400;letter-spacing:-2.5px}.hero .tagline{line-height:1.5;font-size:19px;color:inherit}.hero p{font-size:15px;line-height:1.9}.button{border:1px solid #352330;background:#352330;font-size:13px;padding:11px 20px;min-width:130px;gap:12px}.button:hover{background:#513849}.hero .button{background:#352330;color:#fff}.hero .button:nth-child(n+2){background:transparent;color:#352330;border-color:#cfc1c8}.hero .button:hover{background:#765568;color:#fff}.actions{gap:12px}.eyebrow{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:#8a6979;margin-bottom:20px}.home-section{max-width:850px;padding-top:65px}.home-section h2{color:#352330;font-size:29px;font-weight:450;letter-spacing:-.7px}.home-section>p{font-size:15px;line-height:1.9}.usage-section{max-width:1100px}.conformance-section{padding-bottom:25px}.conformance-scores strong{color:#6f445c}.technology-logos{margin-top:32px}.architecture{margin-block:34px}.site-footer{background:#f6f2f3}.site-footer .brand{display:flex;margin:auto;width:max-content}.mapping-step h4 .crest-icon{width:24px;height:24px}.install-section{padding-bottom:0}.hero-crest{display:block;object-fit:contain;width:100%;height:100%}.install-line{font:12px/1.5 ui-monospace,SFMono-Regular,monospace;color:#806e78;margin:28px 0 0;overflow-wrap:anywhere}.install-line a{color:inherit}.hero .tagline,.hero p{max-width:none}
@media(max-width:1180px) and (min-width:1001px){.site-header{padding-inline:22px;gap:20px}.brand{min-width:130px}.primary-nav,.project-nav{gap:12px}.site-navigation{gap:15px}.site-search input{width:102px}}
@media(max-width:1000px){.site-header{padding:14px 22px}.site-navigation{padding-top:18px}.site-header nav a{font-size:14px}.brand{min-width:0}.menu-toggle{border-color:#d7c9d0;font-size:12px;padding:6px 12px;color:#352330}.hero h1{letter-spacing:-1.7px}.site-search input{width:145px}}
@media(max-width:600px){.hero .tagline{font-size:17px}.hero p{font-size:14px}.hero .actions{display:flex;gap:9px;justify-content:center}.hero .button{font-size:12px;padding:10px 13px;min-width:0}.home-section{padding-top:48px}.home-section h2{font-size:26px}.brand .crest-icon{width:33px;height:33px}.wordmark{font-size:20px}.install-line{font-size:10px}.architecture{margin-inline:0}.technology-logos{gap:15px 22px}}

.hero{background:#fff;color:#352330;padding:40px 24px 38px;max-width:1120px;margin:auto;border-bottom:1px solid #d9ccd3}.journal-crest{display:block;width:142px;height:142px;margin:0 auto 22px;object-fit:contain}.hero-content{max-width:770px;margin:auto}.hero h1{font-family:Georgia,serif;font-size:74px;margin-bottom:14px}.hero .tagline{font-size:20px;margin-bottom:16px}.hero p{max-width:660px}.hero .actions{margin-top:24px}.journal-rule{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:37px;color:#8a6b7c;font:11px/1.5 ui-monospace,monospace;letter-spacing:1px}.journal-rule i{font-style:normal;color:#c3aebb}.home-section{padding-top:56px}.site-header{border-bottom:0}.site-footer{border-top:1px solid #e9e2e6;background:white}
@media(max-width:600px){.hero{padding:30px 24px 33px}.journal-crest{width:120px;height:120px;margin-bottom:18px}.hero h1{font-size:57px}.hero .tagline{font-size:17px}.journal-rule{gap:18px;margin-top:27px}}


/* Selected direction: layout 02 + hero palette and crest treatment 03. */
.hero{max-width:none;background:#30222d;color:#f7f1e7;border-bottom:0;padding-top:24px}
.hero .tagline{color:#f1e1e9}
.hero p{color:#c9b9c2}
/* Remove transparent image margins without resizing or changing the ink artwork. */
.journal-crest-frame{--crest-size:370px;position:relative;width:calc(var(--crest-size) * .82);height:calc(var(--crest-size) * .82);margin:0 auto 12px;overflow:hidden}
.journal-crest{position:absolute;left:50%;top:50%;width:var(--crest-size);height:var(--crest-size);max-width:none;margin:0;transform:translate(-50%,-50%);filter:invert(1);mix-blend-mode:screen;opacity:.88}
@media(max-width:1000px){.journal-crest-frame{--crest-size:300px}}
@media(max-width:760px){.journal-crest-frame{--crest-size:170px;margin-bottom:12px}}
.hero .button:first-child{background:#f1e6ec;color:#352330;border-color:#f1e6ec}
.hero .button:nth-child(n+2){background:transparent;color:#f1e6ec;border-color:#a38695}
.hero .button:hover{background:#765568;color:#fff}
.hero .button:focus-visible{outline-color:#f1e6ec;outline-offset:4px}
.journal-rule{color:#c3a9b8}
.journal-rule i{color:#ab8f9e}

@media(max-width:600px){.actions .button{min-width:0;padding-inline:10px;overflow-wrap:anywhere}}
