:root {
  color-scheme: light;
  --bg: #fff; --bg-2: #f2f5f8; --panel: #fff; --panel-2: #f2f5f8;
  --fg: #142333; --fg-dim: #46596b; --fg-mute: #5b6d7d;
  --line: #d9e1e8; --line-2: #bccbd7;
  --cyan: #175bcc; --cyan-d: #12489f; --cyan-soft: #edf3ff;
  --green: #146b52; --green-soft: #e8f5ef;
  --amber: #8b570b; --amber-soft: #fff4dd;
  --red: #b6293b; --red-soft: #ffedf0; --violet: #6341a5;
  --f-body: 'Inter', system-ui, sans-serif;
  --f-display: 'Space Grotesk', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { background: var(--bg); color: var(--fg); font: 1rem/1.7 var(--f-body); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: .25em; }
button { font: inherit; cursor: pointer; }
img { max-width: 100%; }
svg { width: 20px; height: 20px; flex-shrink: 0; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 5px; }
::selection { background: #c9ddff; color: #142333; }
.wrap { width: min(1320px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 300; padding: 10px 20px; background: var(--fg); color: white; }
.skip-link:focus { top: 12px; }
.topbar { position: sticky; top: 0; z-index: 60; background: #fffffff5; border-bottom: 1px solid var(--line); }
.topbar-in { min-height: 86px; display: flex; align-items: center; gap: 26px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.mark { width: 42px; height: 42px; background: #dceaff; border-radius: 50%; display: grid; place-items: center; }
.mark svg { width: 24px; height: 24px; }
.brand-txt b { font: 700 1.1rem/1.3 var(--f-display); display: block; letter-spacing: -.04em; }
.brand-txt b span { color: var(--cyan); }
.brand-txt small { display: block; font-size: .75rem; color: var(--fg-mute); }
.nav { display: flex; margin-left: auto; gap: 20px; }
.nav a { font-size: .875rem; text-decoration: none; color: var(--fg-dim); padding-block: 12px; }
.nav a:hover { color: var(--cyan); }
.status { color: var(--green); font-size: .875rem; white-space: nowrap; }
.dot { display: inline-block; width: 6px; height: 6px; background: currentColor; border-radius: 50%; margin-right: 6px; }
.menu-btn { display: none; background: white; color: var(--fg); border: 1px solid var(--line); padding: 8px 12px; border-radius: 4px; }
.eyebrow { display: block; font: 500 .75rem/1.6 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); }
.hero { padding: 74px 0 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(260px, .75fr); gap: 8%; align-items: end; }
.hero h1 { font: 600 clamp(3.5rem, 7.7vw, 7.2rem)/.95 var(--f-display); letter-spacing: -.075em; margin: 25px 0 22px; }
.hero h1 span { color: var(--cyan); }
.hero-subtitle { font: 500 clamp(1.4rem, 2.7vw, 2.4rem)/1.2 var(--f-display); letter-spacing: -.035em; margin-bottom: 24px; max-width: 650px; }
.lede { font-size: 1.0625rem; color: var(--fg-dim); max-width: 650px; }
.hero-result { background: #144fb1; color: white; padding: clamp(24px, 3vw, 42px); align-self: stretch; display: flex; flex-direction: column; justify-content: space-between; gap: 28px; }
.hero-result .eyebrow { color: #e2edff; }
.grade { font: 500 clamp(5rem, 8vw, 8rem)/1 var(--f-display); letter-spacing: -.07em; white-space: nowrap; }
.grade span { font-size: .34em; letter-spacing: -.04em; }
.result-label { font-size: 1.125rem; margin-top: 10px; }
.result-meta { padding-top: 25px; border-top: 1px solid #ffffff50; font-size: .875rem; line-height: 1.8; }
.result-meta b { display: block; font-size: 1rem; font-weight: 500; }
.chips { display: flex; flex-wrap: wrap; gap: 8px 20px; padding-block: 23px; margin-top: 20px; border-top: 1px solid var(--line); color: var(--fg-dim); }
.chip { font-size: .875rem; }
.chip b { color: var(--fg); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 18px; text-decoration: none; font-size: .875rem; border: 1px solid var(--line-2); border-radius: 4px; background: white; color: var(--fg); }
.btn:hover { border-color: var(--cyan); color: var(--cyan); }
.btn.primary { background: var(--fg); border-color: var(--fg); color: white; }
.btn.primary:hover { background: var(--cyan); border-color: var(--cyan); }
.synoptic { margin-top: 52px; background: var(--bg-2); border: 1px solid var(--line); }
.syn-head { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--line); font: .75rem/1.6 var(--f-mono); color: var(--fg-dim); }
.syn-head .live { color: var(--fg); font-weight: 600; }
.syn-head .src { margin-left: auto; }
.syn-head .src b { color: var(--cyan); }
.telemetry-toggle { background: white; border: 1px solid var(--line-2); border-radius: 4px; padding: 6px 12px; color: var(--fg); font-size: .875rem; }
.syn-flow { padding: 28px 24px 10px; overflow-x: auto; }
.line { display: flex; min-width: 1040px; }
.unit { flex: 1; min-width: 0; text-align: center; position: relative; }
.glyph { display: grid; place-items: center; width: 44px; height: 44px; margin-inline: auto; background: white; color: var(--cyan); border: 1px solid var(--line-2); border-radius: 50%; position: relative; z-index: 1; }
.glyph svg { width: 22px; height: 22px; }
.u-name { font-size: .75rem; color: var(--fg); margin-top: 12px; }
.u-id { font: .75rem var(--f-mono); color: var(--fg-mute); margin-top: 4px; }
.pipe { position: absolute; top: 21px; left: 50%; width: 100%; border-top: 1px solid var(--line-2); }
.pipe::after { content: '›'; position: absolute; right: 50%; top: -16px; color: var(--cyan); font-size: 20px; }
.unit:last-child .pipe { display: none; }
.unit.warn .glyph { color: var(--amber); border-color: var(--amber); background: var(--amber-soft); }
.syn-tiles { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin-top: 28px; border-top: 1px solid var(--line); }
.tile { padding: 20px 16px; border-right: 1px solid var(--line); background: white; }
.tile:last-child { border: 0; }
.t-label, .t-unit, .t-lim { font-size: .75rem; color: var(--fg-mute); }
.t-val { font: 500 1.9rem/1.3 var(--f-display); letter-spacing: -.04em; color: var(--cyan); margin-top: 10px; font-variant-numeric: tabular-nums; }
.t-lim { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
.tile.warn { background: var(--amber-soft); }
.tile.warn .t-val { color: var(--amber); }
.stats { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); padding: 34px 0; margin-top: 6px; border-bottom: 1px solid var(--line); }
.stat { padding-left: 22px; border-left: 1px solid var(--line); }
.stat:first-child { padding-left: 0; border: 0; }
.stat .n { font: 500 2.15rem/1.2 var(--f-display); letter-spacing: -.04em; }
.stat .l { font-size: .75rem; color: var(--fg-mute); margin-top: 9px; }
section { padding: 80px 0; }
section > .wrap { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 0 64px; }
section > .wrap > * { grid-column: 2; min-width: 0; }
section > .wrap > .sec-head { grid-column: 1; grid-row: 1 / span 20; }
.sec-head h2 { font: 500 clamp(1.65rem, 2.7vw, 2.4rem)/1.12 var(--f-display); letter-spacing: -.045em; margin: 18px 0; }
.sec-head p { color: var(--fg-dim); font-size: 1rem; }
.divider { border: 0; border-top: 1px solid var(--line); }
.arch { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.layers { display: flex; flex-direction: column; gap: 12px; }
.layer { background: var(--bg-2); padding: 20px; border-left: 2px solid var(--accent, var(--cyan)); }
.l-top { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.l-tag { font: .75rem var(--f-mono); color: var(--accent, var(--cyan)); }
.l-name { font-weight: 600; font-size: 1rem; }
.l-items { display: flex; flex-wrap: wrap; gap: 5px 12px; }
.l-items span { font-size: .875rem; color: var(--fg-dim); }
.flowbox { border: 1px solid var(--line); padding: 22px; }
.flowbox h4 { font-size: .875rem; font-weight: 600; margin-bottom: 18px; }
.fnode { display: flex; align-items: center; gap: 12px; }
.fi { width: 32px; height: 32px; color: var(--cyan); display: grid; place-items: center; background: var(--cyan-soft); border-radius: 4px; flex-shrink: 0; }
.fnode b { display: block; font-size: .875rem; }
.fnode small { color: var(--fg-mute); font-size: .75rem; }
.farrow { color: var(--cyan); padding: 2px 0 2px 12px; font-size: .875rem; }
.farrow .lab { margin-left: 22px; color: var(--fg-mute); font: .75rem var(--f-mono); }
.flow-note { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 18px; font-size: .875rem; color: var(--fg-dim); }
.svc-grid { margin-top: 28px; }
.svc { display: grid; grid-template-columns: minmax(170px, .8fr) minmax(0, 1.2fr); gap: 4px 24px; padding: 22px 0; border-top: 1px solid var(--line); }
.s-top { display: flex; flex-direction: column; align-items: start; gap: 6px; }
.s-name { color: var(--cyan); font: 500 .875rem var(--f-mono); overflow-wrap: anywhere; }
.s-port, .s-tech { font-size: .75rem; color: var(--fg-mute); }
.svc p { color: var(--fg-dim); }
.s-tech { grid-column: 2; }
.dom-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.ent { padding: 22px 0; border-top: 1px solid var(--line); }
.e-name { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.e-name i { width: 6px; height: 6px; background: var(--accent, var(--cyan)); }
.ent p { color: var(--fg-dim); margin-top: 9px; }
.pat-wrap { display: grid; gap: 30px; }
.pat { padding: 20px 0; border-top: 1px solid var(--line); }
.pat h4 { display: flex; align-items: center; gap: 12px; font: 500 1.4rem var(--f-display); margin-bottom: 10px; }
.pk { font: .75rem var(--f-mono); color: var(--green); background: var(--green-soft); padding: 4px 8px; border-radius: 3px; }
.pat p { color: var(--fg-dim); }
code { font: .875em var(--f-mono); overflow-wrap: anywhere; }
.pat code, .vcard code { background: var(--bg-2); color: var(--cyan); padding: 2px 4px; }
.code { background: #142333; color: #ebf3ff; border-radius: 4px; overflow: hidden; }
.code-top { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; padding: 16px 22px; border-bottom: 1px solid #405264; color: #c5d4e4; font: .75rem var(--f-mono); overflow-wrap: anywhere; }
.code-top .d { width: 7px; height: 7px; background: #91b7e6; border-radius: 50%; }
.code pre { padding: 24px; overflow: auto; font: .875rem/1.8 var(--f-mono); }
.code .kw { color: #c6b6ff; }.code .ty { color: #8ec6ff; }.code .cm { color: #a0b4c7; }.code .fn { color: #92e3d9; }
.gal { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.gcard { display: block; width: 100%; border: 1px solid var(--line); background: white; text-align: left; text-decoration: none; color: var(--fg); border-radius: 4px; overflow: hidden; transition: border-color .2s; }
.gcard:hover { border-color: var(--cyan); }
.gcard .thumb { height: 190px; background: var(--bg-2); padding: 18px; }
.thumb img { width: 100%; height: 100%; object-fit: contain; }
.cap { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 16px; border-top: 1px solid var(--line); }
.cap b { font-size: .875rem; font-weight: 600; }.cap small { color: var(--fg-mute); font-size: .75rem; }.cap svg { width: 16px; height: 16px; margin-left: auto; }
.uc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.uc { border-top: 2px solid var(--cyan); padding-top: 18px; }
.uc-n { font: .75rem var(--f-mono); color: var(--cyan); }
.uc h4 { font: 500 1.4rem/1.25 var(--f-display); margin: 12px 0; letter-spacing: -.025em; }
.uc p { color: var(--fg-dim); }
.flowmini, .fsm, .perms { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.flowmini span, .st-chip { background: var(--bg-2); border: 1px solid var(--line); padding: 5px 8px; border-radius: 3px; font: .75rem var(--f-mono); }
.flowmini .ok, .st-run { background: var(--green-soft); color: var(--green); }
.flowmini .hl, .st-fault { background: var(--red-soft); color: var(--red); }.st-maint { color: var(--amber); }
.roles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 22px; }
.role { padding-top: 18px; border-top: 1px solid var(--line); }
.rn { font: 500 .875rem var(--f-mono); color: var(--violet); }.role p { color: var(--fg-dim); margin-top: 12px; }
.perms span { font: .75rem var(--f-mono); color: var(--fg-mute); overflow-wrap: anywhere; }.perms span.key { color: var(--violet); }
.callout { display: flex; align-items: flex-start; gap: 14px; background: var(--bg-2); padding: 24px; margin-top: 40px; color: var(--fg-dim); }
.callout svg { margin-top: 3px; }.callout p { font-size: .875rem; }
.deliv { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.dcard { padding-top: 20px; border-top: 1px solid var(--line-2); }.dnum { font: 400 2.5rem var(--f-display); color: var(--cyan); }
.dcard h4 { font: 500 1.3rem/1.2 var(--f-display); margin: 12px 0; }.dcard p { color: var(--fg-dim); }
.dstate { display: inline-block; margin-top: 20px; font-size: .875rem; color: var(--green); }
.verify { margin-top: 20px; }.vcard { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; padding: 22px 0; border-top: 1px solid var(--line); }
.project-notes { margin-top: 38px; }
.vcard h5 { font-size: .875rem; color: var(--cyan); font-weight: 600; }.vcard ul { padding-left: 20px; color: var(--fg-dim); }.vcard li + li { margin-top: 8px; }
.privacy-tail { padding: 0 24px 28px; text-align: center; }
.lb { width: min(1400px, calc(100% - 48px)); max-width: none; max-height: calc(100dvh - 48px); margin: auto; padding: 24px; border: 0; border-radius: 6px; background: white; color: var(--fg); }
.lb::backdrop { background: #142333e8; }
.lb-toolbar { display: flex; align-items: center; gap: 20px; margin-bottom: 20px; }.lb-cap { font-weight: 600; }.lb-close { margin-left: auto; border: 1px solid var(--line-2); border-radius: 4px; background: white; color: var(--fg); padding: 8px 14px; }
.lb img { display: block; width: 100%; max-height: 70dvh; object-fit: contain; }.lb-hint { margin-top: 16px; font-size: .875rem; color: var(--fg-mute); }
@media (max-width: 1180px) {
  .status { display: none; }.nav { gap: 14px; }
  section > .wrap { grid-template-columns: 220px minmax(0, 1fr); gap: 0 36px; }
  .arch, .deliv { grid-template-columns: 1fr; }.syn-tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); }.tile { border-bottom: 1px solid var(--line); }
}
@media (max-width: 960px) {
  .wrap { width: calc(100% - 48px); }.topbar-in { min-height: 72px; }.menu-btn { display: block; margin-left: auto; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: white; border: 1px solid var(--line); padding: 18px 24px; flex-direction: column; gap: 2px; box-shadow: 0 15px 25px #14233312; }.nav.is-open { display: flex; }
  .hero { padding-top: 48px; }.hero-grid { gap: 32px; grid-template-columns: 1.3fr 1fr; }.hero h1 { font-size: clamp(3rem, 7.8vw, 5rem); }
  section > .wrap { display: block; }.sec-head { max-width: 680px; margin-bottom: 34px; }.sec-head h2 { max-width: 520px; font-size: 2.1rem; }
  .arch { grid-template-columns: 1fr 1fr; }.stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }.stat:nth-child(4) { border: 0; padding-left: 0; }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 36px); }.hero-grid, .arch, .dom-grid, .gal, .uc-grid, .roles { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(3rem, 12vw, 4.5rem); }.hero-result { gap: 24px; }.grade { font-size: 5rem; }.hero-subtitle { font-size: 1.7rem; }
  .synoptic { margin-top: 32px; }.syn-head { padding: 16px; gap: 10px; }.syn-head .src { margin-left: 0; }.syn-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }.tile { padding: 18px 12px; }
  .stats { gap: 22px 12px; }.stat { padding-left: 12px; }.stat .n { font-size: 1.9rem; }
  section { padding: 48px 0; }.svc, .vcard { grid-template-columns: 1fr; gap: 12px; }.s-tech { grid-column: 1; }.s-top { flex-direction: row; flex-wrap: wrap; gap: 12px; }
  .cta { flex-direction: column; align-items: stretch; }.btn { justify-content: space-between; }
  .lb { width: calc(100% - 20px); padding: 16px; }.lb-hint { font-size: .75rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* Author profiles use the SE4A identity and light interface palette. */
.author-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; align-items:center; }
.author-oval { display:flex; align-items:center; gap:20px; border:1px solid #c7d8ee; border-radius:999px; background:#f0f6ff; padding:34px 28px; min-height:160px; }
.author-monogram { width:56px; height:56px; flex-shrink:0; display:grid; place-items:center; border-radius:50%; background:#dceaff; color:#175bcc; font:600 1.125rem var(--f-display); }
.author-label { color:var(--fg-mute); font-size:.75rem; margin-bottom:5px; }
.author-oval h3 { font:600 1.2rem/1.25 var(--f-display); letter-spacing:-.025em; }
.author-id { color:var(--fg-dim); font: .75rem/1.8 var(--f-mono); margin-top:8px; }
@media(max-width:1180px) { .author-grid { grid-template-columns:1fr; } }
@media(max-width:400px) { .author-oval { gap:14px; padding:28px 22px; }.author-monogram { width:44px; height:44px; }.author-oval h3 { font-size:1.05rem; } }