/* Sentra Response site. Tokens match the Part 107 app ("Daylight + Sectional", dark mode "Night Ops"). */

:root {
  --bg: #FFFFFF;
  --ink: #0E1726;
  --ink-2: #3A4558;
  --muted: #5A6476;
  --hairline: #E1E4EA;
  --track: #ECEEF2;
  --surface: #F3F4F7;
  --route: #1E56A0;
  --scout: #EE6A0E;
  --scout-text: #C2410C;
  --scout-tint: #FFF3EA;
  --scout-letter: #0E1726;
  --correct: #157A4A;
  --correct-tint: #EAF6EF;
  --wrong: #A0306A;
  --wrong-tint: #F9ECF2;
  --btn: #0E1726;
  --btn-text: #FFFFFF;
  --btn-2-border: #D5DAE1;
  --ring: #C5CBD4;
  --answer: #FFFFFF;
  --data: #F3F4F7;
  --screen-border: #E1E4EA;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: 24px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --ink: #EEF1F5;
    --ink-2: #C3CAD5;
    --muted: #8D97A6;
    --hairline: #262E3A;
    --track: #1A212C;
    --surface: #0D1219;
    --route: #39C6E6;
    --scout: #FFB219;
    --scout-text: #FFB219;
    --scout-tint: #161002;
    --scout-letter: #000000;
    --correct: #4CC38A;
    --correct-tint: #08170F;
    --wrong: #E37AB0;
    --wrong-tint: #1A0A13;
    --btn: #EEF1F5;
    --btn-text: #000000;
    --btn-2-border: #3A4659;
    --ring: #3A4659;
    --answer: #0A0E14;
    --data: #11161F;
    --screen-border: #262E3A;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 24px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.47;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }

a { color: var(--route); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--ink); }

:focus-visible { outline: 3px solid var(--route); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; color: var(--ink); }

p { margin: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 10;
  padding: 10px 14px; border-radius: 10px;
  background: var(--btn); color: var(--btn-text); font-weight: 600; text-decoration: none;
}
.skip:focus { top: 12px; color: var(--btn-text); }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 var(--gutter); }

/* Header */

.site-header { border-bottom: 1px solid var(--hairline); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }

.brand {
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 9px;
  color: var(--ink); text-decoration: none;
  font-size: 17px; font-weight: 650; letter-spacing: -0.2px;
}
.brand:hover { color: var(--ink); }

/* Logo: Scout's head and the wordmark. Brand colors are fixed; the wordmark, the accent and
   the outline around Scout follow the theme. */
.logo { display: block; height: 34px; width: auto; flex: none; }
@media (max-width: 640px) { .logo { height: 30px; } }
.logo .sr-o { fill: #141A38; stroke: #141A38; }
.logo .sr-stalk { fill: none; stroke: #F4EEE3; }
.logo .sr-shell { fill: #F4EEE3; }
.logo .sr-visor { fill: #141A38; }
.logo .sr-ear { fill: #F4EEE3; stroke: #141A38; }
.logo .sr-ball, .logo .sr-rim { fill: var(--logo-accent); }
.logo .sr-arc { fill: none; stroke: var(--logo-accent); }
.logo .sr-tri { fill: var(--logo-accent); stroke: var(--logo-accent); }
.logo .sr-ff { fill: #FFA347; }
.logo .sr-fs { fill: none; stroke: #FFA347; }
.logo .sr-text { fill: var(--logo-text); }
:root { --logo-text: #141A38; --logo-accent: #F2760F; }
@media (prefers-color-scheme: dark) {
  :root { --logo-text: #F6F1E7; --logo-accent: #FF8A2A; }
  .logo .sr-o { display: none; }
}

.nav { display: flex; align-items: center; gap: 24px; }
.nav a { white-space: nowrap; color: var(--ink-2); font-size: 15px; font-weight: 500; text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--route); }

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 56px;
  align-items: start;
  padding-top: 72px;
  padding-bottom: 96px;
}

.hero h1 {
  font-size: clamp(40px, 5.6vw, 64px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.028em;
  text-wrap: balance;
  max-width: 11ch;
}

.lede {
  margin-top: 24px;
  max-width: 34ch;
  font-size: 21px;
  line-height: 1.43;
  color: var(--ink-2);
}

.availability {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  max-width: 34ch;
  font-size: 15px;
  color: var(--muted);
}
.availability strong { color: var(--ink); font-weight: 600; }

/* Live question (mirrors the app's question screen) */

.demo-wrap { position: relative; }

.demo {
  border: 1px solid var(--hairline);
  border-radius: 28px;
  padding: 26px 24px 24px;
  background: var(--bg);
  /* demo.js sets a min-height that fits the tallest state, so the card never changes size;
     Scout and the buttons stay pinned to the bottom. */
  display: flex; flex-direction: column;
}
.demo-bottom { margin-top: auto; }

.demo-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.q-meta { display: flex; align-items: center; gap: 10px; min-width: 0; }

.chip {
  padding: 3px 10px 4px;
  border: 1.5px dashed var(--route);
  border-radius: 8px;
  font-size: 14px; font-weight: 600; line-height: 20px;
  color: var(--route);
  white-space: nowrap;
}
.ref { font-size: 14px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.count { font-size: 15px; font-weight: 500; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

.data {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--data);
  font-family: var(--mono);
  font-size: 14px; line-height: 21px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.stem {
  margin-top: 14px;
  font-family: var(--font);
  font-size: 24px; line-height: 30px;
  font-weight: 600;
  letter-spacing: -0.3px;
  text-wrap: balance;
}

.answers { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; border: 0; padding: 0; min-width: 0; }

.ans {
  position: relative;
  display: flex; align-items: center; gap: 14px;
  min-height: 60px;
  padding: 14px 16px;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--answer);
  font-size: 17px; font-weight: 500; line-height: 22px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.ans input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; pointer-events: none; }
.ans:has(input:focus-visible) { outline: 3px solid var(--route); outline-offset: 3px; }

.letter {
  width: 30px; height: 30px; flex: none;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--ring);
  border-radius: 15px;
  font-size: 15px; font-weight: 600; color: var(--ink-2);
}
.ans-text { flex: 1; min-width: 0; }
.ans-icon { width: 20px; height: 20px; flex: none; display: none; }

.ans.is-selected { border: 2px solid var(--ink); padding: 13px 15px; }
.ans.is-selected .letter { border-color: var(--ink); background: var(--ink); color: var(--bg); }

.ans.is-flagged { border: 2px solid var(--scout); padding: 13px 15px; background: var(--scout-tint); }
.ans.is-flagged .letter { border-color: var(--scout); background: var(--scout); color: var(--scout-letter); font-weight: 700; }
.ans.is-flagged .icon-warn { display: block; color: var(--scout-text); }

.ans.is-correct { border: 2px solid var(--correct); padding: 13px 15px; background: var(--correct-tint); }
.ans.is-correct .letter { border-color: var(--correct); background: var(--correct); color: var(--bg); }
.ans.is-correct .icon-check { display: block; color: var(--correct); }

.ans.is-wrong { border: 2px solid var(--wrong); padding: 13px 15px; background: var(--wrong-tint); }
.ans.is-wrong .letter { border-color: var(--wrong); background: var(--wrong); color: var(--bg); }
.ans.is-wrong .icon-cross { display: block; color: var(--wrong); }

.demo.is-done .ans { cursor: default; }

.hint-link {
  align-self: flex-start;
  margin-top: 16px;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 0; border: 0; background: none;
  font: inherit; font-size: 15px; font-weight: 600;
  color: var(--scout-text); cursor: pointer;
}
.hint-link svg { width: 15px; height: 17px; }
.hint-link[hidden] { display: none; }

/* Scout's row: what he says, and Scout himself */

.say-row { display: flex; align-items: center; gap: 6px; margin-top: 10px; position: relative; }
.say-row.is-trap { align-items: flex-start; margin-top: 0; padding-top: 22px; }
.say-row.is-trap::before {
  content: ""; position: absolute; left: 34px; top: 0;
  width: 2px; height: 22px; background: var(--scout);
  transform-origin: top; animation: leader 0.28s ease-out both;
}
.say-row.is-trap::after {
  content: ""; position: absolute; left: 30px; top: -5px;
  width: 10px; height: 10px; border-radius: 5px;
  border: 2px solid var(--bg); background: var(--scout);
}
@keyframes leader { from { transform: scaleY(0); } to { transform: scaleY(1); } }

.say { flex: 1; min-width: 0; font-size: 16px; line-height: 22px; }

.bubble { padding: 12px 14px 13px; border-radius: 14px; background: var(--surface); color: var(--ink); }

.callout {
  padding: 11px 14px 13px;
  border: 1.5px solid var(--scout);
  border-radius: 10px;
  background: var(--bg);
}
.callout-name { display: block; margin-bottom: 2px; font-size: 14px; font-weight: 700; color: var(--scout-text); }

.result-title { font-size: 17px; font-weight: 700; }
.say.is-correct .result-title { color: var(--correct); }
.say.is-wrong .result-title { color: var(--wrong); }
.result-body { margin-top: 3px; color: var(--ink-2); }
.result-source { margin-top: 8px; font-size: 13px; color: var(--muted); }

.scout-img {
  width: 132px; height: 172px; flex: none;
  object-fit: contain; object-position: bottom center;
  margin-right: -10px;
  animation: hover 3.2s ease-in-out infinite;
}
.scout-img.is-mirrored { transform: scaleX(-1); animation: none; }
/* At the bottom of the card Scout stands on the same spot whatever the length of his line. */
.say-row:not(.is-trap) .scout-img { align-self: flex-end; }

@keyframes hover { 0%, 100% { translate: 0 0; } 50% { translate: 0 -6px; } }

.actions { margin-top: 18px; display: flex; gap: 10px; }

.btn {
  flex: 1;
  height: 54px; padding: 0 18px;
  border-radius: 16px;
  font: inherit; font-size: 17px; font-weight: 600;
  cursor: pointer;
}
.btn[hidden] { display: none; }
.btn-primary { border: 0; background: var(--btn); color: var(--btn-text); }
.btn-primary:disabled { opacity: 0.32; cursor: default; }
.btn-secondary { border: 1.5px solid var(--btn-2-border); background: var(--bg); color: var(--ink); }

.demo-note { margin-top: 14px; padding-left: 4px; font-size: 14px; color: var(--muted); }

/* Sections */

.section { padding: 96px 0; border-top: 1px solid var(--hairline); }

.section h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.intro { max-width: 640px; }
.intro p { margin-top: 18px; font-size: 19px; line-height: 1.5; color: var(--ink-2); }

/* Route to test day: waypoints on a flight route */

.route-title { margin-top: 64px; font-size: 22px; font-weight: 650; letter-spacing: -0.2px; }

.route {
  position: relative;
  list-style: none; margin: 28px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px;
}
.route::before {
  content: ""; position: absolute;
  left: 7px; top: 6px; height: 2px;
  width: calc(100% - (100% - 3 * 32px) / 4);
  background: var(--route);
}
.wp { position: relative; padding-top: 34px; }
.wp-mark {
  position: absolute; left: 0; top: 0;
  width: 14px; height: 14px; border-radius: 7px;
  border: 3px solid var(--route); background: var(--bg);
}
.wp-mark.is-goal { width: 20px; height: 20px; left: -3px; top: -3px; border-radius: 10px; border: 0; background: var(--route); }
.wp-mark.is-goal svg { width: 20px; height: 20px; display: block; color: var(--bg); }

.wp h4 { font-size: 19px; line-height: 1.25; font-weight: 650; letter-spacing: -0.2px; }
.wp p { margin-top: 8px; font-size: 16px; line-height: 1.5; color: var(--ink-2); max-width: 34ch; }

.screen {
  display: block;
  margin-top: 24px;
  width: 100%; max-width: 250px;
  border: 1px solid var(--screen-border);
  border-radius: 30px;
  overflow: hidden;
}
.screen img { width: 100%; }

/* Areas */

.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 56px; align-items: start; }
.split .intro p { font-size: 18px; }

.fine { margin-top: 18px; font-size: 14px; line-height: 1.5; color: var(--muted); }

.areas { list-style: none; margin: 6px 0 0; padding: 0; }
.area {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr) 52px;
  align-items: center; gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}
.area:first-child { padding-top: 0; }
.area-name { font-size: 18px; font-weight: 600; line-height: 1.25; }
.area-note { display: block; margin-top: 2px; font-size: 14px; font-weight: 400; color: var(--muted); }
.track { position: relative; height: 4px; border-radius: 2px; background: var(--track); }
.track > span { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 2px; background: var(--route); }
.s48 { width: 48%; } .s25 { width: 25%; } .s20 { width: 20%; } .s5 { width: 5%; } .s2 { width: 2%; }
.pct { text-align: right; font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }

/* Scout */

.scout-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.scout-portrait { width: 100%; max-width: 340px; justify-self: center; }
.scout-grid .intro p + p { margin-top: 14px; }

.faces {
  list-style: none; margin: 32px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 10px;
  max-width: 640px;
}
.faces li { text-align: center; font-size: 12px; line-height: 1.3; color: var(--muted); }
.faces img { width: 100%; aspect-ratio: 1; border-radius: 14px; background: #0B1424; margin-bottom: 6px; }

.voice { margin-top: 80px; }
.voice h3 { font-size: 26px; line-height: 1.2; font-weight: 700; letter-spacing: -0.3px; }
.voice > p { margin-top: 12px; max-width: 56ch; font-size: 18px; color: var(--ink-2); }

.lines { margin-top: 32px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 32px; max-width: 900px; }
.line { margin: 0; }
.line figcaption { font-size: 14px; font-weight: 600; color: var(--muted); }
.line blockquote { margin: 10px 0 0; font-size: 17px; line-height: 1.45; }
.line .callout { position: relative; margin-top: 32px; }
.line .callout::before {
  content: ""; position: absolute; left: 22px; top: -22px; width: 2px; height: 22px; background: var(--scout);
}
.line .callout::after {
  content: ""; position: absolute; left: 18px; top: -27px; width: 10px; height: 10px; border-radius: 5px;
  border: 2px solid var(--bg); background: var(--scout);
}

/* Price and next */

.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; }
.pair h2 { font-size: clamp(26px, 2.8vw, 34px); }
.pair p { margin-top: 14px; font-size: 18px; line-height: 1.5; color: var(--ink-2); max-width: 44ch; }
.price { font-variant-numeric: tabular-nums; }

/* Footer */

.site-footer { border-top: 1px solid var(--hairline); padding: 48px 0 56px; font-size: 15px; color: var(--muted); }
.foot { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot-about p { margin-top: 12px; max-width: 44ch; }
.foot-nav { display: flex; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.foot-nav a { color: var(--ink-2); text-decoration: none; font-weight: 500; }
.foot-nav a:hover { color: var(--route); }
.foot-fine { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--hairline); font-size: 13px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot-fine p { max-width: 70ch; }

/* Document pages: support, privacy, terms */

.doc { padding-top: 64px; padding-bottom: 96px; }
.doc-body { max-width: 680px; }
.doc h1 { font-size: clamp(36px, 5vw, 52px); line-height: 1.06; font-weight: 700; letter-spacing: -0.025em; }
.doc .updated { margin-top: 12px; font-size: 15px; color: var(--muted); }
.doc .lede { max-width: none; margin-top: 20px; font-size: 20px; }
.doc h2 { margin-top: 48px; font-size: 24px; line-height: 1.25; font-weight: 700; letter-spacing: -0.3px; }
.doc h3 { margin-top: 28px; font-size: 18px; line-height: 1.3; font-weight: 650; }
.doc p, .doc li { color: var(--ink-2); }
.doc p { margin-top: 12px; }
.doc h3 + p { margin-top: 6px; }
.doc ul { margin: 12px 0 0; padding-left: 22px; }
.doc li { margin-top: 6px; }
.doc strong { color: var(--ink); font-weight: 600; }

.contact-card {
  margin-top: 32px; padding: 20px 22px;
  border: 1.5px dashed var(--route); border-radius: 16px;
}
.contact-card p { margin: 0; }
.contact-card .label { font-size: 14px; font-weight: 600; color: var(--route); }
.contact-card a { font-size: 22px; font-weight: 650; letter-spacing: -0.2px; text-decoration: none; }
.contact-card .small { margin-top: 6px; font-size: 15px; color: var(--muted); }

.qa { border-top: 1px solid var(--hairline); margin-top: 20px; }
.qa > div { padding: 18px 0; border-bottom: 1px solid var(--hairline); }
.qa h3 { margin: 0; font-size: 18px; }
.qa p { margin-top: 6px; }

.missing { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 40px; align-items: center; padding-top: 80px; padding-bottom: 120px; }
.missing img { width: 180px; }

/* Responsive */

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 44px; padding-top: 48px; padding-bottom: 72px; }
  .hero h1 { max-width: 14ch; }
  .lede, .availability { max-width: 40ch; }
  .demo-wrap { max-width: 600px; }
  .split, .scout-grid { grid-template-columns: 1fr; gap: 40px; }
  .scout-portrait { max-width: 260px; justify-self: start; }
  .route { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px 32px; }
  .route::before { display: none; }
  .faces { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .nav { gap: 18px; }
  .nav .nav-extra { display: none; }
  .hero { padding-top: 36px; gap: 36px; }
  .hero h1 { font-size: 40px; }
  .lede { font-size: 19px; }
  .demo { padding: 20px 16px 16px; border-radius: 24px; }
  .stem { font-size: 21px; line-height: 27px; }
  .ans { min-height: 56px; padding: 12px 14px; gap: 12px; font-size: 16px; }
  .ans.is-selected, .ans.is-flagged, .ans.is-correct, .ans.is-wrong { padding: 11px 13px; }
  .say-row.is-trap::before { left: 28px; }
  .say-row.is-trap::after { left: 24px; }
  .say { font-size: 15px; line-height: 21px; }
  .scout-img { width: 96px; height: 128px; margin-right: -6px; }
  .btn { font-size: 16px; padding: 0 12px; }
  .section { padding: 64px 0; }
  .intro p { font-size: 17px; }
  .route { grid-template-columns: 1fr; gap: 40px; margin-top: 24px; }
  .wp:not(:last-child)::before { content: ""; position: absolute; left: 6px; top: 7px; width: 2px; height: calc(100% + 40px); background: var(--route); }
  .wp { padding-top: 0; padding-left: 36px; }
  .wp-mark.is-goal { left: -3px; }
  .screen { max-width: 220px; border-radius: 26px; }
  .route-title { margin-top: 48px; }
  .area { grid-template-columns: minmax(0, 1fr) 72px 44px; gap: 12px; }
  .area-name { font-size: 17px; }
  .faces { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 300px; }
  .voice { margin-top: 56px; }
  .lines { grid-template-columns: 1fr; gap: 24px; }
  .pair { grid-template-columns: 1fr; gap: 48px; }
  .doc { padding-top: 40px; padding-bottom: 72px; }
  .contact-card a { font-size: 19px; }
  .missing { grid-template-columns: 1fr; gap: 24px; padding-top: 48px; }
  .missing img { width: 130px; }
}

@media (prefers-reduced-motion: reduce) {
  .scout-img { animation: none; }
  .say-row.is-trap::before { animation: none; }
}

/* Daylight polish (light mode only). Dark mode stays Night Ops. A soft sky at the top,
   a sectional-chart airspace ring behind the live question, white cards that sit above the
   page, and Scout's section on visor navy so his cream shell and beacon stand out. */

@media (prefers-color-scheme: light) {
  body { background: linear-gradient(180deg, #E8F0FA 0, #F4F6F9 560px) no-repeat, #F4F6F9; }
  main { overflow-x: hidden; overflow-x: clip; }
  .site-header { border-bottom-color: rgba(14, 23, 38, 0.08); }

  .demo-wrap::before {
    content: "";
    position: absolute;
    right: -120px;
    top: -110px;
    width: 520px;
    height: 520px;
    pointer-events: none;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 520 520' fill='none'%3E%3Ccircle cx='260' cy='260' r='250' stroke='%23C2185B' stroke-opacity='.10' stroke-width='18'/%3E%3Ccircle cx='260' cy='260' r='196' stroke='%231E56A0' stroke-opacity='.30' stroke-width='2' stroke-dasharray='10 8'/%3E%3Ccircle cx='260' cy='260' r='120' stroke='%231E56A0' stroke-opacity='.22' stroke-width='2' stroke-dasharray='10 8'/%3E%3Cpath d='M260 40v440M40 260h440' stroke='%231E56A0' stroke-opacity='.10' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat center / contain;
  }
  .demo {
    position: relative;
    background: #FFFFFF;
    border-color: rgba(14, 23, 38, 0.07);
    box-shadow: 0 1px 2px rgba(14, 23, 38, 0.05), 0 22px 50px -22px rgba(14, 23, 38, 0.28);
  }

  .section { border-top-color: rgba(14, 23, 38, 0.08); }

  .screen {
    border-color: rgba(14, 23, 38, 0.07);
    background: #FFFFFF;
    box-shadow: 0 1px 2px rgba(14, 23, 38, 0.05), 0 18px 40px -20px rgba(14, 23, 38, 0.3);
  }

  #scout {
    --bg: #141A38;
    --ink: #F3F5F8;
    --ink-2: #C9D0DC;
    --muted: #9AA6B8;
    --hairline: #2B3558;
    --surface: #1D2550;
    --route: #8DBBF2;
    --scout: #FF8A2A;
    --scout-text: #FFB066;
    background: var(--bg);
    color: var(--ink);
    border-top: 0;
  }
  #scout .faces img { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08); }

  .site-footer { background: #FFFFFF; }
}

@media (prefers-color-scheme: light) and (max-width: 640px) {
  .demo-wrap::before { right: -150px; top: -90px; width: 380px; height: 380px; }
}

/* 404 */
.missing h1 { font-size: clamp(32px, 4.4vw, 48px); line-height: 1.08; font-weight: 700; letter-spacing: -0.02em; }
.missing .lede { margin-top: 16px; }