:root {
  --ink: #11343d;
  --ink-soft: #4a666e;
  --canvas: #fbfcfa;
  --paper: #ffffff;
  --line: #dde7e4;
  --line-strong: #c5d6d2;
  --pink: #e6007e;
  --purple: #86258d;
  --blue: #068fbd;
  --lime: #96c11f;
  --yellow: #f8bf20;
  --coral: #ff624f;
  --shadow: 0 28px 80px rgba(17, 52, 61, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(rgba(17,52,61,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,52,61,.025) 1px, transparent 1px),
    var(--canvas);
  background-size: 42px 42px;
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}
button { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; border-radius: .5rem; background: var(--ink); color: white; }
.skip-link:focus { top: 1rem; }

.mission-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  padding: 0 5vw;
  border-bottom: 1px solid rgba(17,52,61,.1);
  background: rgba(251,252,250,.9);
  backdrop-filter: blur(18px);
}
.brand img { width: 138px; height: 50px; object-fit: contain; object-position: left center; }
.mission-id { display: flex; align-items: center; gap: .65rem; color: #627980; }
.mission-id span:last-child { display: flex; align-items: baseline; gap: .65rem; }
.mission-id small { font-size: .64rem; font-weight: 850; letter-spacing: .14em; }
.mission-id strong { color: var(--ink); font-size: .82rem; letter-spacing: .09em; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(150,193,31,.14); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 1.2rem; }
.home-link { font-size: .82rem; font-weight: 750; color: #536e75; }
.home-link:hover { color: var(--purple); }
.language-switch { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: white; }
.language-switch button { min-width: 34px; border: 0; border-radius: 999px; padding: .34rem .46rem; background: transparent; color: #6b8389; cursor: pointer; font-size: .72rem; font-weight: 850; }
.language-switch button.selected { background: var(--ink); color: white; }

.mission-progress { position: sticky; top: 76px; z-index: 25; padding: .65rem 5vw .75rem; border-bottom: 1px solid rgba(17,52,61,.08); background: rgba(255,255,255,.9); backdrop-filter: blur(16px); }
.progress-copy { display: flex; justify-content: space-between; width: min(1080px, 100%); margin: 0 auto .45rem; color: #667f85; font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.progress-copy strong { color: var(--purple); }
.progress-track { width: min(1080px, 100%); height: 4px; margin: 0 auto; overflow: hidden; border-radius: 999px; background: #e5ecea; }
.progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--pink), var(--purple), var(--blue)); transition: width .45s ease; }

main { position: relative; width: min(1120px, 90vw); min-height: calc(100vh - 170px); margin: 0 auto; padding: clamp(2rem, 5vw, 4.5rem) 0 5rem; }
.ambient-field { position: fixed; inset: 125px 0 0; z-index: -1; pointer-events: none; overflow: hidden; }
.ambient-field span { position: absolute; border-radius: 50%; filter: blur(18px); opacity: .22; }
.ambient-field span:nth-child(1) { width: 400px; height: 400px; top: 4%; left: -170px; background: radial-gradient(circle, rgba(6,143,189,.28), transparent 68%); }
.ambient-field span:nth-child(2) { width: 360px; height: 360px; top: 30%; right: -150px; background: radial-gradient(circle, rgba(230,0,126,.2), transparent 68%); }
.ambient-field span:nth-child(3) { width: 300px; height: 300px; bottom: -70px; left: 45%; background: radial-gradient(circle, rgba(150,193,31,.18), transparent 68%); }

.mission-screen { display: none; animation: reveal .38s ease both; }
.mission-screen.active { display: block; }
@keyframes reveal { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.eyebrow { margin: 0 0 .7rem; color: var(--purple); font-size: .72rem; font-weight: 900; letter-spacing: .14em; }
h1, h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 400; line-height: 1.02; letter-spacing: -.035em; }
h1 { font-size: clamp(3.7rem, 9vw, 7.8rem); }
h2 { max-width: 900px; font-size: clamp(2.6rem, 5.5vw, 5rem); }
.lead { color: var(--ink); font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.5rem, 3vw, 2.3rem); line-height: 1.18; }
.screen-heading { margin-bottom: 2rem; }
.screen-heading > p:last-child { max-width: 750px; margin: 1rem 0 0; color: var(--ink-soft); font-size: 1.04rem; }
.screen-heading.compact { margin-bottom: 2.4rem; }
.screen-heading.compact h2 { font-size: clamp(2.5rem, 5vw, 4.4rem); }

.welcome-screen { grid-template-columns: 1.2fr .8fr; align-items: center; gap: 5vw; min-height: 610px; }
.welcome-screen.active { display: grid; }
.welcome-copy > p:not(.eyebrow):not(.lead) { max-width: 630px; color: var(--ink-soft); font-size: 1.08rem; }
.mission-facts { display: flex; gap: 2.5rem; margin: 2.2rem 0; }
.mission-facts span { display: grid; grid-template-columns: auto auto; align-items: baseline; gap: .45rem; }
.mission-facts strong { font-family: Georgia, serif; font-size: 1.8rem; font-weight: 400; }
.mission-facts small { color: #6a8288; font-size: .75rem; }
.briefing-visual { position: relative; display: grid; place-items: center; min-height: 470px; border: 1px solid rgba(17,52,61,.1); border-radius: 28px; overflow: hidden; background: rgba(255,255,255,.7); box-shadow: var(--shadow); }
.briefing-visual::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 52px, rgba(17,52,61,.035) 53px), repeating-linear-gradient(0deg, transparent 0 52px, rgba(17,52,61,.035) 53px); }
.radar { position: relative; width: min(290px, 72vw); aspect-ratio: 1; border: 1px solid rgba(6,143,189,.3); border-radius: 50%; background: conic-gradient(from 20deg, rgba(6,143,189,.18), transparent 24%, transparent 76%, rgba(230,0,126,.14)); animation: drift 9s linear infinite; }
.radar::before, .radar::after, .radar i { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(17,52,61,.15); }
.radar::before { inset: 18%; }.radar::after { inset: 36%; }.radar i:nth-child(1) { inset: 50% 0 auto; height: 1px; border: 0; border-top: 1px solid rgba(17,52,61,.18); border-radius: 0; }.radar i:nth-child(2) { inset: 0 50% auto; width: 1px; height: 100%; border: 0; border-left: 1px solid rgba(17,52,61,.18); border-radius: 0; }.radar i:nth-child(3) { width: 9px; height: 9px; right: 21%; top: 30%; border: 0; background: var(--pink); box-shadow: 0 0 0 7px rgba(230,0,126,.12); }
.radar span { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink); font-family: Georgia, serif; font-size: 3.6rem; transform: rotate(0); }
@keyframes drift { to { transform: rotate(360deg); } }
.briefing-visual > p { position: absolute; right: 1.2rem; bottom: .8rem; margin: 0; color: #6c848a; font-size: .62rem; font-weight: 850; letter-spacing: .12em; line-height: 1.8; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; border: 0; border-radius: 10px; padding: .8rem 1.25rem; cursor: pointer; font-weight: 820; transition: transform .18s, box-shadow .18s, background .18s; }
.button:hover:not(:disabled) { transform: translateY(-2px); }
.button:disabled { cursor: not-allowed; opacity: .42; }
.button-primary { background: var(--ink); color: white; box-shadow: 0 10px 24px rgba(17,52,61,.18); }
.button-primary:hover:not(:disabled) { background: #082a32; }
.button-quiet { border: 1px solid var(--line-strong); background: rgba(255,255,255,.7); color: var(--ink); }
.screen-actions { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; }

.video-stage { position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 24px; background: #082830; box-shadow: 0 28px 70px rgba(8,40,48,.22); }
.video-stage::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; background: linear-gradient(135deg, rgba(6,143,189,.12), transparent 35%, rgba(230,0,126,.1)); }
.video-stage video { position: relative; z-index: 1; width: 100%; max-height: 520px; background: #061e25; object-fit: contain; }
.video-status { position: relative; z-index: 2; display: flex; justify-content: space-between; padding: .75rem 1rem; color: #c7d8db; font-size: .66rem; font-weight: 850; letter-spacing: .12em; }
.video-status span::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: .5rem; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 4px rgba(255,98,79,.13); }
.video-caption { position: relative; z-index: 1; margin: 0; padding: .7rem 1rem .85rem; color: #97afb4; font-size: .72rem; }
.explainer-stage video { max-height: 560px; }
.video-loading { position: absolute; inset: 50% auto auto 50%; z-index: 2; transform: translate(-50%, -50%); margin: 0; color: #d4e1e3; font-size: .82rem; font-weight: 750; letter-spacing: .05em; }
.video-loading[hidden] { display: none; }
.decision-block { display: grid; grid-template-columns: 58px 1fr; gap: 1.2rem; margin-top: 1.25rem; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.9); padding: clamp(1.3rem, 3vw, 2rem); }
.decision-number { margin: .2rem 0 0; color: var(--pink); font-size: .76rem; font-weight: 900; }
.decision-block h3 { margin: 0 0 1rem; font-family: Georgia, serif; font-size: 1.45rem; font-weight: 400; line-height: 1.25; }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; }
.choice-grid button, .case-options button { border: 1px solid var(--line-strong); border-radius: 12px; background: white; padding: .85rem 1rem; text-align: left; cursor: pointer; transition: border .18s, background .18s, transform .18s; }
.choice-grid button:hover, .case-options button:hover { border-color: var(--blue); transform: translateY(-1px); }
.choice-grid button.selected, .case-options button.selected { border-color: var(--purple); background: #faf2fa; box-shadow: 0 0 0 3px rgba(134,37,141,.08); }
.feedback { margin-top: .9rem; border-left: 3px solid var(--blue); background: #eef8fb; padding: .8rem 1rem; color: #315a66; font-size: .9rem; }
.feedback.good { border-color: var(--lime); background: #f2f8e3; color: #425f13; }
.takeaway-strip { display: flex; gap: 1rem; align-items: start; margin-top: 1.25rem; border: 1px solid var(--line); border-radius: 16px; background: white; padding: 1.1rem 1.2rem; }
.takeaway-strip span { color: var(--pink); }.takeaway-strip p { margin: 0; color: var(--ink-soft); }.takeaway-strip strong { color: var(--ink); }

.definition-card { position: relative; margin: 0; border-radius: 26px; overflow: hidden; background: var(--ink); padding: clamp(2rem, 6vw, 4.7rem); color: white; box-shadow: var(--shadow); }
.definition-card::after { content: ""; position: absolute; width: 280px; height: 280px; right: -80px; top: -110px; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; box-shadow: 0 0 0 50px rgba(255,255,255,.025), 0 0 0 100px rgba(255,255,255,.018); }
.definition-card > span { position: absolute; top: .35rem; left: 1.1rem; color: rgba(255,255,255,.13); font-family: Georgia, serif; font-size: 9rem; line-height: 1; }
.definition-card p { position: relative; z-index: 1; max-width: 920px; margin: 0; font-family: Georgia, serif; font-size: clamp(1.7rem, 4vw, 3.1rem); line-height: 1.2; }
.definition-card cite { position: relative; z-index: 1; display: block; margin-top: 1.5rem; color: #afc2c6; font-size: .75rem; font-style: normal; }
.decode-definition { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }
.decode-definition article { border: 1px solid var(--line); border-radius: 17px; background: rgba(255,255,255,.85); padding: 1.25rem; }
.decode-definition span { color: var(--pink); font-size: .7rem; font-weight: 900; }
.decode-definition h3 { margin: .65rem 0 .35rem; font-size: 1rem; }.decode-definition p { margin: 0; color: var(--ink-soft); font-size: .86rem; }

.culture-layers { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.layer-card { position: relative; min-height: 180px; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; background: white; padding: 1.5rem; text-align: left; cursor: pointer; }
.layer-card::after { content: ""; position: absolute; width: 170px; height: 170px; right: -75px; bottom: -75px; border: 25px solid rgba(6,143,189,.09); border-radius: 50%; }
.layer-card.invisible::after { border-color: rgba(134,37,141,.1); }
.layer-card.selected { border-color: var(--blue); box-shadow: 0 12px 35px rgba(17,52,61,.08), 0 0 0 3px rgba(6,143,189,.07); }
.layer-card.invisible.selected { border-color: var(--purple); box-shadow: 0 12px 35px rgba(17,52,61,.08), 0 0 0 3px rgba(134,37,141,.07); }
.layer-code { display: block; color: #789096; font-size: .64rem; font-weight: 900; letter-spacing: .12em; }
.layer-card strong { display: block; margin: 2.2rem 0 .3rem; font-family: Georgia, serif; font-size: 1.9rem; font-weight: 400; }
.layer-card small { color: var(--ink-soft); }
.layer-detail { grid-column: 1 / -1; min-height: 165px; border-radius: 20px; background: var(--ink); padding: clamp(1.4rem, 3vw, 2rem); color: white; }
.layer-detail h3 { margin: 0 0 1rem; font-size: .75rem; letter-spacing: .12em; }
.detail-tags { display: flex; flex-wrap: wrap; gap: .6rem; }
.detail-tags span { border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: .55rem .75rem; color: #d7e4e6; font-size: .82rem; }
.source-note { margin: 1rem 0 0; color: #71878d; font-size: .74rem; }

.pyramid-layout { display: grid; grid-template-columns: minmax(360px, .95fr) 1.05fr; gap: 2rem; align-items: center; }
.pyramid { display: flex; flex-direction: column; align-items: center; gap: .4rem; padding: 1rem; }
.pyramid-layer { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 88px; border: 1px solid var(--line-strong); clip-path: polygon(12% 0, 88% 0, 100% 100%, 0 100%); background: white; cursor: pointer; transition: transform .18s, filter .18s; }
.pyramid-layer:hover { transform: translateY(-2px); }
.pyramid-layer.personality { width: 46%; clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.pyramid-layer.culture { width: 72%; }
.pyramid-layer.nature { width: 100%; }
.pyramid-layer.selected { background: linear-gradient(135deg, var(--purple), var(--pink)); color: white; filter: drop-shadow(0 12px 20px rgba(134,37,141,.18)); }
.pyramid-layer span { font-family: Georgia, serif; font-size: 1.35rem; }.pyramid-layer small { margin-top: .2rem; font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; opacity: .72; }
.pyramid-detail { min-height: 330px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.92); padding: clamp(1.5rem, 4vw, 2.6rem); box-shadow: 0 20px 50px rgba(17,52,61,.07); }
.pyramid-detail .detail-level { color: var(--purple); font-size: .68rem; font-weight: 900; letter-spacing: .12em; }
.pyramid-detail h3 { margin: 1rem 0 .8rem; font-family: Georgia, serif; font-size: 2.3rem; font-weight: 400; }.pyramid-detail p { color: var(--ink-soft); }.pyramid-detail .example { border-top: 1px solid var(--line); margin-top: 1.3rem; padding-top: 1.2rem; color: var(--ink); font-size: .9rem; }

.case-file { display: grid; grid-template-columns: minmax(200px, .55fr) 1.45fr; gap: 2rem; border: 1px solid var(--line); border-radius: 26px; background: rgba(255,255,255,.9); padding: clamp(1.3rem, 4vw, 3rem); box-shadow: 0 20px 60px rgba(17,52,61,.07); }
.case-signal { position: relative; display: grid; place-items: center; align-content: center; min-height: 330px; border-radius: 18px; overflow: hidden; background: var(--ink); color: white; }
.case-signal::before { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 30px 30px; }
.case-signal strong { position: relative; z-index: 1; font-family: Georgia, serif; font-size: 5rem; font-weight: 400; }.case-signal small { position: relative; z-index: 1; color: #b4c8cc; font-size: .62rem; font-weight: 850; letter-spacing: .13em; }
.pulse-ring { position: absolute; width: 160px; height: 160px; border: 1px solid rgba(6,143,189,.6); border-radius: 50%; box-shadow: 0 0 0 38px rgba(6,143,189,.06), 0 0 0 76px rgba(230,0,126,.035); animation: breathe 2.5s ease-in-out infinite; }
@keyframes breathe { 50% { transform: scale(1.07); opacity: .7; } }
.case-file > div:last-child { align-self: center; }.case-question { margin: 0 0 1.2rem; font-family: Georgia, serif; font-size: 1.5rem; line-height: 1.3; }
.case-options { display: grid; gap: .65rem; }

.final-check { display: grid; gap: .8rem; }
.final-check fieldset { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin: 0; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.92); padding: 1.2rem; }
.final-check legend { display: flex; gap: .8rem; width: 100%; padding: 0 0 .9rem; font-family: Georgia, serif; font-size: 1.18rem; }
.final-check legend span:first-child { color: var(--pink); font-family: Inter, sans-serif; font-size: .68rem; font-weight: 900; }
.final-check label { display: flex; align-items: center; gap: .7rem; border: 1px solid var(--line); border-radius: 11px; padding: .8rem; cursor: pointer; font-size: .88rem; }
.final-check label:has(input:checked) { border-color: var(--purple); background: #faf2fa; }
.final-check input { accent-color: var(--purple); }
.check-feedback { margin: 0; }.check-feedback strong { color: var(--ink); }

.completion-screen.active { display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 5vw; min-height: 600px; }
.completion-copy h2 { font-size: clamp(3.2rem, 7vw, 6.6rem); }.completion-copy .lead { color: var(--ink-soft); }
.reflex-card { display: grid; grid-template-columns: 50px 1fr; gap: 1rem; max-width: 560px; margin: 2rem 0; border: 1px solid var(--line); border-radius: 18px; background: white; padding: 1.2rem; }
.reflex-card > span { color: var(--pink); font-size: .72rem; font-weight: 900; }.reflex-card p { margin: 0; color: var(--ink-soft); }.reflex-card strong { color: var(--ink); }
.completion-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.earned-stamp { position: relative; display: grid; place-items: center; min-height: 510px; overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: rgba(255,255,255,.78); box-shadow: var(--shadow); }
.earned-stamp img { position: relative; z-index: 2; width: min(62%, 310px); border-radius: 22px; box-shadow: 0 25px 60px rgba(8,40,48,.25); transform: rotate(-4deg); animation: stampIn .7s cubic-bezier(.2,.9,.2,1) both; }
.earned-stamp p { position: absolute; bottom: 1.4rem; z-index: 2; color: var(--purple); font-size: .67rem; font-weight: 900; letter-spacing: .13em; }
.stamp-halo { position: absolute; width: 360px; height: 360px; border: 1px solid rgba(6,143,189,.25); border-radius: 50%; box-shadow: 0 0 0 45px rgba(6,143,189,.035), 0 0 0 90px rgba(230,0,126,.025); }
@keyframes stampIn { from { opacity: 0; transform: scale(.8) rotate(-10deg); } to { opacity: 1; transform: scale(1) rotate(-4deg); } }

footer { display: flex; justify-content: space-between; width: min(1120px, 90vw); min-height: 90px; margin: 0 auto; border-top: 1px solid var(--line); color: #71878d; font-size: .74rem; align-items: center; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }

@media (max-width: 820px) {
  .mission-header { grid-template-columns: 1fr auto; padding: 0 4vw; }.mission-id { display: none; }.home-link { display: none; }
  .mission-progress { padding-left: 4vw; padding-right: 4vw; }
  main { width: min(92vw, 720px); padding-top: 2rem; }
  .welcome-screen.active, .completion-screen.active, .pyramid-layout, .case-file { grid-template-columns: 1fr; }
  .briefing-visual { min-height: 360px; }.welcome-screen { min-height: auto; }.mission-facts { gap: 1rem; flex-wrap: wrap; }
  .decode-definition { grid-template-columns: 1fr; }.pyramid-layout { gap: 1rem; }.case-signal { min-height: 220px; }
  .completion-screen.active { gap: 2rem; }.earned-stamp { min-height: 380px; }
}

@media (max-width: 560px) {
  h1 { font-size: 3.4rem; } h2, .screen-heading.compact h2 { font-size: 2.6rem; }
  .brand img { width: 120px; }.mission-header { min-height: 68px; }.mission-progress { top: 68px; }
  .choice-grid, .culture-layers, .final-check fieldset { grid-template-columns: 1fr; }
  .layer-detail { grid-column: 1; }.decision-block { grid-template-columns: 1fr; }.decision-number { margin: 0; }
  .pyramid-layer.personality { width: 58%; }.pyramid-layer.culture { width: 80%; }
  .screen-actions, .completion-actions { flex-direction: column-reverse; }.screen-actions .button, .completion-actions .button { width: 100%; }
  footer { flex-direction: column; justify-content: center; gap: .3rem; text-align: center; }
}

/* Night-blue Culture Hub universe shared with the entry and internal tools. */
:root {
  --ink: #f6f7ff;
  --ink-soft: #aeb8d1;
  --canvas: #020718;
  --paper: #09132f;
  --line: rgba(83, 121, 255, .25);
  --line-strong: rgba(92, 137, 255, .43);
  --pink: #cf3cff;
  --purple: #9b4dff;
  --blue: #1bbcff;
  --lime: #5ee0aa;
  --yellow: #f2c65d;
  --shadow: 0 28px 80px rgba(0, 0, 0, .34);
  color-scheme: dark;
}
body {
  background:
    radial-gradient(circle at 12% 22%, rgba(114, 48, 236, .17), transparent 31rem),
    radial-gradient(circle at 90% 60%, rgba(0, 167, 255, .12), transparent 34rem),
    linear-gradient(rgba(75, 107, 226, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 107, 226, .04) 1px, transparent 1px),
    #020718;
  background-size: auto, auto, 42px 42px, 42px 42px, auto;
  color: #f6f7ff;
}
.mission-header { border-bottom-color: rgba(96, 124, 231, .28); background: rgba(2, 7, 24, .9); box-shadow: 0 14px 45px rgba(0, 0, 0, .22); }
.mission-header .brand img { content: url("./assets/culture-hub-logo-night.png"); }
.mission-id { border-color: rgba(103, 129, 234, .34); background: #0b1636; }
.mission-id small,
.home-link { color: #9ba7c2; }
.language-switch { border-color: rgba(98, 125, 229, .34); background: #09132f; }
.language-switch button { color: #9ca8c5; }
.language-switch button.selected { background: linear-gradient(135deg, #8d20ff, #0d7fff); }
.mission-progress { border-color: rgba(83, 111, 218, .26); background: rgba(3, 9, 29, .92); }
.progress-copy { color: #96a2bf; }
.progress-copy strong { color: #b597ff; }
.progress-track { background: #1a2547; }
.progress-track span { background: linear-gradient(90deg, #9b26ff, #147fff, #1ecbff); }
.ambient-field span:nth-child(1) { background: radial-gradient(circle, rgba(24, 184, 255, .26), transparent 68%); }
.ambient-field span:nth-child(2) { background: radial-gradient(circle, rgba(176, 57, 255, .2), transparent 68%); }
.ambient-field span:nth-child(3) { background: radial-gradient(circle, rgba(93, 92, 239, .16), transparent 68%); }
.eyebrow { color: #a98cff; }
.lead { color: #eef1ff; }
.screen-heading > p:last-child,
.welcome-copy > p:not(.eyebrow):not(.lead),
.mission-facts small,
.source-note { color: #aab5cf; }
.briefing-visual,
.decision-block,
.decode-definition article,
.layer-card,
.pyramid-detail,
.case-file,
.final-check fieldset,
.reflex-card,
.earned-stamp,
.takeaway-strip {
  border-color: rgba(83, 121, 255, .34);
  background: linear-gradient(145deg, rgba(12, 26, 64, .97), rgba(5, 12, 36, .97));
  color: #f6f7ff;
  box-shadow: 0 26px 78px rgba(0, 0, 0, .3), inset 0 1px 0 rgba(255, 255, 255, .035);
}
.briefing-visual::before,
.case-signal::before { background-image: linear-gradient(rgba(91, 126, 255, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(91, 126, 255, .07) 1px, transparent 1px); }
.radar { border-color: rgba(35, 190, 255, .5); background: conic-gradient(from 20deg, rgba(29, 188, 255, .23), transparent 24%, transparent 76%, rgba(184, 62, 255, .2)); }
.radar::before,
.radar::after,
.radar i { border-color: rgba(129, 150, 239, .24); }
.radar span { color: #f3f5ff; }
.button-primary { background: linear-gradient(110deg, #8d20ff, #0d7fff); box-shadow: 0 11px 30px rgba(75, 52, 240, .32); }
.button-primary:hover:not(:disabled) { background: linear-gradient(110deg, #a13dff, #2591ff); }
.button-quiet { border-color: rgba(97, 125, 232, .42); background: #0a1635; color: #e9ecff; }
.choice-grid button,
.case-options button,
.final-check label {
  border-color: rgba(86, 124, 242, .33);
  background: #091633;
  color: #eef1ff;
}
.choice-grid button:hover,
.case-options button:hover { border-color: #25c0ff; }
.choice-grid button.selected,
.case-options button.selected,
.final-check label:has(input:checked) { border-color: #a75cff; background: rgba(112, 65, 222, .22); box-shadow: 0 0 0 3px rgba(147, 87, 255, .1); }
.feedback { border-color: #1ebcff; background: rgba(22, 185, 255, .11); color: #cbeeff; }
.feedback.good { border-color: #5ee0aa; background: rgba(94, 224, 170, .1); color: #c8f8e6; }
.takeaway-strip p,
.decode-definition p,
.pyramid-detail p,
.reflex-card p,
.completion-copy .lead { color: #aeb8d1; }
.takeaway-strip strong,
.pyramid-detail .example,
.reflex-card strong,
.check-feedback strong { color: #f6f7ff; }
.definition-card,
.layer-detail,
.case-signal { border: 1px solid rgba(98, 125, 231, .36); background: linear-gradient(145deg, #111b43, #07102c); }
.definition-card cite,
.detail-tags span,
.case-signal small { color: #b7c1d7; }
.layer-card small,
.pyramid-detail p { color: #a9b4cc; }
.layer-card.selected { border-color: #22beff; box-shadow: 0 14px 42px rgba(0, 0, 0, .28), 0 0 0 3px rgba(28, 183, 255, .1); }
.layer-card.invisible.selected { border-color: #aa5dff; box-shadow: 0 14px 42px rgba(0, 0, 0, .28), 0 0 0 3px rgba(166, 84, 255, .1); }
.pyramid-layer { border-color: rgba(90, 128, 244, .42); background: #0b1737; color: #e8ecff; }
.pyramid-layer.selected { background: linear-gradient(135deg, #8d20ff, #0d7fff); filter: drop-shadow(0 14px 25px rgba(82, 52, 235, .32)); }
.case-signal { color: white; }
.earned-stamp p { color: #b997ff; }
footer { border-color: rgba(80, 108, 215, .27); color: #8c98b4; }