:root {
  --bg-black: #030405;
  --bg-deep: #07090b;
  --graphite: #11161b;
  --graphite-2: #1a2026;
  --panel-dark: rgba(9, 11, 14, 0.96);
  --panel-mid: rgba(18, 22, 27, 0.94);

  --bronze: #c8873a;
  --bronze-hot: #e6ad5f;
  --copper: #9a552b;
  --copper-dark: #4d2917;

  --blue: #37bfff;
  --blue-soft: #7bdcff;
  --blue-dim: #0a4d70;

  --text-main: #f3eadb;
  --text-soft: #d7c5aa;
  --text-muted: #8b8176;

  --line-bronze: rgba(200, 135, 58, 0.34);
  --line-bright: rgba(230, 173, 95, 0.62);
  --line-blue: rgba(55, 191, 255, 0.34);

  --shadow-main: 0 34px 90px rgba(0, 0, 0, 0.82);
  --shadow-inner: inset 0 0 0 1px rgba(255,255,255,.04);
  --glow-bronze: 0 0 32px rgba(200,135,58,.26);
  --glow-blue: 0 0 34px rgba(55,191,255,.24);

  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }

html,
body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  color: var(--text-main);
  font-family: "Rajdhani", Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at 11% 4%, rgba(200,135,58,.26), transparent 30%),
    radial-gradient(circle at 91% 84%, rgba(55,191,255,.17), transparent 34%),
    linear-gradient(135deg, #020304 0%, #07090b 48%, #030405 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .14;
  background-image:
    linear-gradient(rgba(230,173,95,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55,191,255,.07) 1px, transparent 1px);
  background-size: 66px 66px;
  mask-image: radial-gradient(circle at 50% 45%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 45%, black, transparent 80%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0,0,0,.74), transparent 18%, transparent 82%, rgba(0,0,0,.76)),
    radial-gradient(circle at 50% 0%, rgba(255,255,255,.045), transparent 36%);
}

button { font-family: inherit; border: none; outline: none; background: none; }

.app-shell {
  width: min(1640px, 96vw);
  min-height: 88vh;
  margin: 18px auto;
  position: relative;
  z-index: 1;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-bronze);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,.055), transparent 12%),
    radial-gradient(circle at 72% 14%, rgba(55,191,255,.09), transparent 30%),
    radial-gradient(circle at 8% 0%, rgba(200,135,58,.16), transparent 28%),
    linear-gradient(135deg, rgba(19,23,28,.97), rgba(3,4,6,.99));
  box-shadow:
    var(--shadow-main),
    var(--shadow-inner),
    0 0 0 1px rgba(200,135,58,.07);
}

.app-shell::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: 0;
  border-radius: calc(var(--radius-xl) - 1px);
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(230,173,95,.10), transparent 26%, transparent 74%, rgba(55,191,255,.10));
}

.app-shell > * {
  position: relative;
  z-index: 1;
}

.top-rail {
  min-height: 72px;
  display: grid;
  grid-template-columns: 360px 1fr 360px;
  align-items: center;
  gap: 18px;
  padding: 0 32px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,0)),
    linear-gradient(90deg, rgba(200,135,58,.10), transparent 25%, transparent 75%, rgba(55,191,255,.09)),
    rgba(5,6,8,.94);
  border-bottom: 1px solid var(--line-bronze);
  box-shadow: 0 14px 34px rgba(0,0,0,.46);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.vanguard-symbol {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  position: relative;
  border: 1px solid var(--line-bright);
  background:
    radial-gradient(circle at 50% 40%, rgba(55,191,255,.34), transparent 18%),
    linear-gradient(180deg, rgba(230,173,95,.20), rgba(0,0,0,.68));
  box-shadow: var(--glow-bronze), var(--glow-blue);
}

.vanguard-symbol::before,
.vanguard-symbol::after {
  content: "";
  position: absolute;
  top: 9px;
  width: 3px;
  height: 24px;
  background: linear-gradient(#e6ad5f, #9a552b);
  border-radius: 999px;
  box-shadow: 0 0 12px rgba(230,173,95,.35);
}

.vanguard-symbol::before {
  left: 15px;
  transform: rotate(-18deg);
}

.vanguard-symbol::after {
  right: 15px;
  transform: rotate(18deg);
}

.brand-copy { display: grid; gap: 5px; }

.brand-name {
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  color: var(--bronze-hot);
  font-size: 24px;
  line-height: .95;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(200,135,58,.24);
}

.brand-sub {
  margin-top: 5px;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.nav-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
}

.nav-icons button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(200,135,58,.36);
  color: var(--bronze-hot);
  background:
    radial-gradient(circle at 50% 40%, rgba(55,191,255,.12), transparent 35%),
    rgba(7,9,12,.86);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.025);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-weight: 700;
  cursor: pointer;
}

.nav-icons button:nth-child(2) {
  color: var(--blue-soft);
  border-color: rgba(55,191,255,.44);
  box-shadow: var(--glow-blue);
}

.division-status {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.division-status i {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
  border: 1px solid rgba(200,135,58,.38);
}

.division-status i.active {
  background: var(--blue);
  border-color: var(--blue-soft);
  box-shadow: 0 0 16px var(--blue);
}

/* Landing Screen */
.landing-screen {
  min-height: calc(88vh - 72px);
  display: grid;
  grid-template-columns: minmax(420px, .84fr) minmax(520px, 1.16fr);
  gap: 28px;
  padding: 34px;
  align-items: stretch;
}

.landing-panel {
  position: relative;
  overflow: hidden;
  padding: 42px;
  display: flex;
  align-items: center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-bronze);
  background:
    radial-gradient(circle at 0% 20%, rgba(55,191,255,.11), transparent 30%),
    radial-gradient(circle at 90% 75%, rgba(200,135,58,.10), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.012)),
    rgba(15,18,23,.92);
  box-shadow: 0 20px 48px rgba(0,0,0,.52), inset 0 0 0 1px rgba(255,255,255,.04);
}

.landing-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .12;
  background-image:
    linear-gradient(rgba(230,173,95,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55,191,255,.08) 1px, transparent 1px);
  background-size: 42px 42px;
}

.landing-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 560px;
}

.eyebrow {
  margin: 0;
  color: var(--text-muted);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .20em;
  text-transform: uppercase;
}

.landing-title {
  margin: 0;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: clamp(48px, 4.6vw, 74px);
  line-height: .9;
  font-weight: 800;
  letter-spacing: .045em;
  color: transparent;
  background: linear-gradient(180deg, #f2bf72, #c8873a 64%, #8e4d27);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 28px rgba(200,135,58,.18);
  text-transform: uppercase;
}

.landing-subtitle {
  margin: -4px 0 0;
  color: var(--text-main);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: clamp(20px, 1.7vw, 30px);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.landing-division {
  margin: 0 0 14px;
  color: var(--bronze-hot);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .28em;
  text-transform: uppercase;
}

.landing-description {
  margin: 8px 0;
  max-width: 480px;
  color: var(--text-soft);
  font-family: "Rajdhani", system-ui, sans-serif;
  font-size: 19px;
  line-height: 1.55;
  font-weight: 600;
}

.category-chips { display: flex; flex-wrap: wrap; gap: 12px; margin: 12px 0 4px; }

.chip-button {
  min-width: 104px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(200,135,58,.30);
  color: var(--text-soft);
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.006)), rgba(15,18,23,.92);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .10em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.chip-button:hover {
  transform: translateY(-1px);
  border-color: rgba(230,173,95,.82);
  box-shadow: var(--glow-blue);
  color: var(--text-main);
}

.landing-actions { display: flex; gap: 14px; margin-top: 8px; flex-wrap: wrap; }

.btn-primary,
.start-button,
.btn-secondary,
.browse-button {
  min-height: 54px;
  border-radius: 999px;
  padding: 0 24px;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.btn-primary,
.start-button {
  min-width: 230px;
  border: 1px solid rgba(230,173,95,.82);
  color: #120b05;
  background: linear-gradient(135deg, #efb866, #c8873a 55%, #9a552b);
  box-shadow: var(--glow-bronze), 0 0 24px rgba(55,191,255,.16);
}

.btn-secondary,
.browse-button {
  min-width: 190px;
  border: 1px solid var(--line-bronze);
  color: var(--text-soft);
  background: rgba(15,18,23,.92);
}

.btn-primary:hover,
.start-button:hover,
.btn-secondary:hover,
.browse-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-blue), var(--glow-bronze);
}

.landing-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
  letter-spacing: .08em;
}

.chamber-panel {
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-bronze);
  background:
    radial-gradient(circle at 50% 85%, rgba(200,135,58,.24), transparent 16%),
    radial-gradient(circle at 50% 54%, rgba(55,191,255,.14), transparent 36%),
    linear-gradient(90deg, rgba(0,0,0,.48), transparent 35%, transparent 65%, rgba(0,0,0,.48)),
    linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.012)),
    rgba(15,18,23,.92);
  box-shadow: 0 20px 48px rgba(0,0,0,.52), inset 0 0 0 1px rgba(255,255,255,.04);
}

.chamber-visual {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  gap: 18px;
  width: 100%;
  min-height: 500px;
}

.portal-rings {
  position: absolute;
  width: min(72%, 560px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(55,191,255,.18), transparent 8%),
    repeating-radial-gradient(circle, rgba(230,173,95,.22) 0 1px, transparent 1px 42px);
  opacity: .68;
  filter: drop-shadow(0 0 26px rgba(55,191,255,.16));
}

.vanguard-seal {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 24px 50px rgba(0,0,0,.64));
}

.chamber-data {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 18px;
  border: 1px solid rgba(55,191,255,.26);
  border-radius: 999px;
  background: rgba(4,7,10,.74);
  color: var(--text-muted);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.chamber-data strong {
  color: var(--blue-soft);
  text-shadow: 0 0 14px var(--blue);
}

.chamber-label {
  position: absolute;
  bottom: 14px;
  margin: 0;
  color: var(--bronze-hot);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .36em;
  text-transform: uppercase;
  opacity: .78;
}

/* Translator Workspace */
.translator-workspace { min-height: calc(88vh - 72px); }
.is-hidden { display: none !important; }

.translation-interface {
  display: grid;
  grid-template-columns: 270px minmax(620px, 1fr) 360px;
  gap: 22px;
  padding: 26px;
  align-items: start;
  overflow: visible;
}

.concept-index {
  max-height: calc(88vh - 128px);
  overflow-y: auto;
  padding: 20px;
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.016)),
    radial-gradient(circle at 50% 0%, rgba(200,135,58,.18), transparent 34%),
    rgba(15,18,23,.92);
  border: 1px solid rgba(200,135,58,.36);
  box-shadow:
    0 20px 48px rgba(0,0,0,.52),
    inset 0 0 0 1px rgba(255,255,255,.04);
}

.concept-index::-webkit-scrollbar { width: 8px; }
.concept-index::-webkit-scrollbar-track { background: rgba(255,255,255,.04); border-radius: 999px; }
.concept-index::-webkit-scrollbar-thumb { background: linear-gradient(var(--bronze), var(--blue-dim)); border-radius: 999px; }

.concept-index::before {
  content: "CONCEPT INDEX";
  display: block;
  margin-bottom: 14px;
  color: var(--bronze-hot);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .20em;
  text-transform: uppercase;
}

.concept-item,
.concept-index button {
  width: 100%;
  min-height: 50px;
  margin-bottom: 10px;
  border-radius: 14px;
  border: 1px solid rgba(200,135,58,.28);
  background:
    linear-gradient(180deg, rgba(255,255,255,.052), rgba(255,255,255,.014)),
    linear-gradient(135deg, rgba(200,135,58,.08), rgba(55,191,255,.035));
  color: var(--text-soft);
  font-family: "Rajdhani", system-ui, sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.025);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.concept-item:hover,
.concept-index button:hover {
  transform: translateY(-1px);
  border-color: rgba(230,173,95,.82);
  color: var(--text-main);
  box-shadow: var(--glow-blue);
}

.concept-item.active,
.concept-item[aria-pressed="true"],
.concept-index button.active,
.concept-index button[aria-pressed="true"] {
  color: #120b05;
  border-color: rgba(230,173,95,.82);
  background:
    linear-gradient(135deg, #efb866, #c8873a 58%, #9a552b);
  box-shadow:
    0 0 26px rgba(200,135,58,.35),
    0 0 20px rgba(55,191,255,.16);
}

.translation-content {
  min-height: 630px;
  padding: 32px;
  border-radius: 28px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 10%, rgba(55,191,255,.12), transparent 30%),
    radial-gradient(circle at 6% 0%, rgba(200,135,58,.12), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.018)),
    rgba(15,18,23,.94);
  border: 1px solid rgba(200,135,58,.34);
  box-shadow:
    0 24px 68px rgba(0,0,0,.56),
    inset 0 0 0 1px rgba(255,255,255,.04);
}

.translation-content::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .12;
  background-image:
    linear-gradient(rgba(230,173,95,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55,191,255,.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 50% 22%, black, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 22%, black, transparent 78%);
}

.translation-content > * {
  position: relative;
  z-index: 1;
}

.translation-content::after {
  content: "VANGUARD TRANSLATION FIELD ACTIVE";
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: 24px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(55,191,255,.24);
  color: rgba(123,220,255,.70);
  background:
    linear-gradient(90deg, rgba(55,191,255,.08), rgba(200,135,58,.055), transparent);
  display: flex;
  align-items: center;
  padding-left: 18px;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  pointer-events: none;
}

.concept-header h2,
.translation-content h1,
.translation-content h2,
.translation-content .concept-title {
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: clamp(48px, 4vw, 68px);
  line-height: .9;
  font-weight: 800;
  letter-spacing: .015em;
  color: transparent;
  background: linear-gradient(180deg, #f2bf72, #c8873a 64%, #8e4d27);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 28px rgba(200,135,58,.18);
  margin: 0 0 22px;
}

.concept-header::before,
.translation-content .eyebrow,
.concept-mechanism,
.translation-content small {
  content: "CONCEPT MECHANISM";
  display: block;
  margin-bottom: 11px;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .20em;
  text-transform: uppercase;
}

.tab-rail,
[role="tablist"] {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 30px;
}

.tab-button,
[role="tab"],
.translation-content button.tab-button {
  min-height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(200,135,58,.32);
  background:
    linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.006)),
    rgba(5,6,8,.92);
  color: var(--text-soft);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  padding: 0 18px;
  text-transform: uppercase;
  letter-spacing: .10em;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.03);
  transition: border-color .18s ease, color .18s ease, box-shadow .18s ease, background .18s ease;
}

.tab-button:hover,
[role="tab"]:hover {
  border-color: rgba(230,173,95,.82);
  color: var(--text-main);
  box-shadow: var(--glow-blue);
}

.tab-button.active,
.tab-button[aria-selected="true"],
[role="tab"].active,
[role="tab"][aria-selected="true"] {
  color: #120b05;
  border-color: rgba(230,173,95,.82);
  background:
    linear-gradient(135deg, #efb866, #c8873a 55%, #9a552b);
  box-shadow:
    0 0 34px rgba(200,135,58,.26),
    0 0 24px rgba(55,191,255,.16);
}

.tab-content,
.translation-card,
.copy-block { max-width: 820px; padding-bottom: 80px; }

.tab-content p,
.translation-card p,
.copy-block p,
.translation-content p,
.tab-content li,
.translation-content li {
  max-width: 760px;
  color: var(--text-soft);
  font-family: "Rajdhani", system-ui, sans-serif;
  font-size: 19px;
  line-height: 1.55;
  font-weight: 600;
  margin: 0 0 16px;
}

.tab-content h3 {
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  color: var(--bronze-hot);
  font-size: 19px;
  font-weight: 700;
  margin: 24px 0 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.tab-content h4 { color: var(--text-main); font-size: 17px; margin: 18px 0 10px; font-weight: 700; }
.tab-content ul { margin: 0 0 18px; padding-left: 24px; }

.section-card,
.boundary-card,
.signal-card,
.misread-card {
  max-width: 820px;
  padding: 18px;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.012)), rgba(22,26,32,.84);
  border: 1px solid rgba(200,135,58,.24);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.025), 0 14px 34px rgba(0,0,0,.25);
}

.visual-rail {
  min-height: 710px;
  padding: 22px;
  border-radius: 28px;
  position: static;
  overflow: visible;
  background:
    radial-gradient(circle at 50% 20%, rgba(55,191,255,.12), transparent 34%),
    radial-gradient(circle at 50% 84%, rgba(200,135,58,.14), transparent 44%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.018)),
    rgba(15,18,23,.94);
  border: 1px solid rgba(200,135,58,.34);
  box-shadow:
    0 24px 68px rgba(0,0,0,.56),
    inset 0 0 0 1px rgba(255,255,255,.04);
}

.visual-rail::before,
.rail-label {
  content: "CONCEPT INFOGRAPHIC";
  display: block;
  text-align: center;
  margin-bottom: 18px;
  color: var(--text-muted);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.rail-label { display: none; }

.infographic-frame {
  width: clamp(300px, 22vw, 360px);
  aspect-ratio: 9 / 16;
  height: auto;
  min-height: 540px;
  max-height: none;
  margin: 0 auto;
  border-radius: 28px;
  border: 1px solid rgba(230,173,95,.62);
  background:
    radial-gradient(circle at 50% 30%, rgba(55,191,255,.10), transparent 32%),
    #07090c;
  box-shadow:
    0 28px 74px rgba(0,0,0,.74),
    0 0 36px rgba(200,135,58,.24),
    0 0 24px rgba(55,191,255,.18),
    inset 0 0 0 1px rgba(255,255,255,.04);
  overflow: hidden;
}

.infographic-frame img,
img.concept-svg,
.concept-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  display: block;
}

@media (max-width: 1180px) {
  .top-rail {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 18px 22px;
  }
  
  .nav-icons,
  .division-status {
    justify-content: flex-start;
  }
  
  .landing-screen,
  .translation-interface {
    grid-template-columns: 1fr;
  }
  
  .visual-rail {
    max-width: 430px;
    margin-inline: auto;
    min-height: auto;
  }
  
  .concept-index {
    max-height: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .landing-title { font-size: clamp(44px, 8vw, 76px); }
}

@media (max-width: 760px) {
  .app-shell {
    width: 100%;
    max-width: 100%;
    margin: 0;
    border-radius: 0;
  }
  
  .landing-screen,
  .translation-interface {
    padding: 16px;
    gap: 16px;
  }

  .landing-panel { padding: 28px 22px; }
  
  .concept-index {
    display: flex;
    overflow-x: auto;
    gap: 10px;
  }
  
  .concept-item,
  .concept-index button {
    min-width: 180px;
  }
  
  .translation-content {
    min-height: auto;
    padding: 20px;
  }
  
  .translation-content::after {
    display: none;
  }
  
  .tab-rail,
  [role="tablist"] {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  
  .tab-button,
  [role="tab"] {
    white-space: nowrap;
  }
  
  .infographic-frame {
    width: min(100%, 340px);
  }
}

@media (max-width: 560px) {
  .landing-title { font-size: clamp(34px, 12vw, 50px); letter-spacing: .025em; }
}

@media (max-width: 480px) {
  .brand-name { font-size: 17px; }
  .brand-sub,
  .nav-icons { display: none; }
  .concept-header h2 { font-size: 36px; }
  .tab-content p,
  .translation-card p,
  .copy-block p { font-size: 15px; line-height: 1.62; }
}

/* Vanguard Chatbot */
.vanguard-chatbot {
  position: fixed;
  left: 22px;
  bottom: 22px;
  z-index: 9999;
  font-family: "Rajdhani", Inter, system-ui, sans-serif;
}

.vg-chat-launcher {
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px 0 8px;
  border-radius: 999px;
  border: 1px solid rgba(224, 167, 90, 0.62);
  background:
    radial-gradient(circle at 20% 50%, rgba(54,184,255,.22), transparent 32%),
    linear-gradient(135deg, rgba(15,18,23,.96), rgba(5,6,8,.98));
  color: #f4efe6;
  box-shadow:
    0 18px 44px rgba(0,0,0,.62),
    0 0 28px rgba(200,135,58,.24),
    0 0 24px rgba(54,184,255,.18),
    inset 0 0 0 1px rgba(255,255,255,.04);
  cursor: pointer;
}

.vg-chat-mark,
.vg-chat-orb {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(224,167,90,.72);
  color: #e0a75a;
  background:
    radial-gradient(circle at 50% 38%, rgba(54,184,255,.28), transparent 24%),
    linear-gradient(180deg, rgba(224,167,90,.18), rgba(0,0,0,.56));
  box-shadow: 0 0 20px rgba(200,135,58,.24), 0 0 20px rgba(54,184,255,.18);
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-weight: 800;
}

.vg-chat-launch-text {
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  color: #e0a75a;
}

.vg-chat-panel {
  width: 360px;
  max-width: calc(100vw - 24px);
  max-height: 620px;
  display: grid;
  grid-template-rows: auto minmax(220px, 1fr) auto auto;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(224,167,90,.48);
  background:
    radial-gradient(circle at 16% 0%, rgba(200,135,58,.16), transparent 34%),
    radial-gradient(circle at 92% 20%, rgba(54,184,255,.13), transparent 32%),
    linear-gradient(135deg, rgba(18,22,27,.97), rgba(4,5,7,.99));
  box-shadow:
    0 28px 80px rgba(0,0,0,.78),
    0 0 34px rgba(200,135,58,.20),
    0 0 34px rgba(54,184,255,.14),
    inset 0 0 0 1px rgba(255,255,255,.04);
}

.vg-chat-panel[hidden] {
  display: none !important;
}

.vg-chat-header {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(200,135,58,.30);
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0)),
    rgba(5,6,8,.88);
}

.vg-chat-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.vg-chat-title {
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .16em;
  color: #e0a75a;
}

.vg-chat-subtitle {
  margin-top: 4px;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
  color: #8b8176;
}

.vg-chat-close {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(200,135,58,.34);
  background: rgba(5,6,8,.82);
  color: #d8c7ad;
  cursor: pointer;
}

.vg-chat-body {
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.vg-message {
  border-radius: 16px;
  padding: 12px 13px;
  border: 1px solid rgba(200,135,58,.22);
  background: rgba(5,6,8,.62);
  color: #d8c7ad;
}

.vg-message-user {
  margin-left: 36px;
  border-color: rgba(54,184,255,.30);
  background: rgba(54,184,255,.08);
}

.vg-message-bot {
  margin-right: 18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01)),
    rgba(8,10,13,.78);
}

.vg-message-label {
  margin-bottom: 6px;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  color: #e0a75a;
}

.vg-message p {
  margin: 0;
  font-size: 15px;
  line-height: 1.48;
  font-weight: 600;
}

.vg-message ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.vg-message li {
  margin: 5px 0;
  font-size: 14px;
  line-height: 1.42;
}

.vg-message a,
.vg-jump-link {
  color: #78d8ff;
  text-decoration: none;
  font-weight: 800;
}

.vg-chat-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 14px;
  border-top: 1px solid rgba(200,135,58,.16);
}

.vg-chat-chips button {
  flex: 0 0 auto;
  min-height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(200,135,58,.30);
  background: rgba(5,6,8,.78);
  color: #d8c7ad;
  padding: 0 10px;
  font-family: "Rajdhani", system-ui, sans-serif;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.vg-chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid rgba(200,135,58,.22);
  background: rgba(5,6,8,.72);
}

.vg-chat-form textarea {
  resize: none;
  min-height: 44px;
  max-height: 110px;
  border-radius: 14px;
  border: 1px solid rgba(200,135,58,.28);
  background: rgba(0,0,0,.34);
  color: #f4efe6;
  padding: 10px 11px;
  font-family: "Rajdhani", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.35;
  outline: none;
}

.vg-chat-form textarea:focus {
  border-color: rgba(54,184,255,.52);
  box-shadow: 0 0 18px rgba(54,184,255,.15);
}

.vg-chat-form button {
  min-width: 76px;
  border-radius: 14px;
  border: 1px solid rgba(224,167,90,.62);
  background: linear-gradient(135deg, #e0a75a, #c8873a 58%, #9f5b2d);
  color: #130b05;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .10em;
  cursor: pointer;
}

.vg-recommendation-card {
  margin-top: 10px;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(54,184,255,.22);
  background: rgba(54,184,255,.06);
}

.vg-recommendation-title {
  color: #e0a75a;
  font-family: "Oxanium", "Rajdhani", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.vg-recommendation-tabs {
  margin-top: 7px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.vg-recommendation-tabs button {
  border-radius: 999px;
  border: 1px solid rgba(54,184,255,.24);
  background: rgba(5,6,8,.74);
  color: #78d8ff;
  padding: 5px 8px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}

@media (max-width: 760px) {
  .vanguard-chatbot {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .vg-chat-panel {
    width: 100%;
    max-height: 78vh;
  }

  .vg-chat-launcher {
    max-width: calc(100vw - 24px);
  }
}

/* VANGUARD HEADER POSITIONING LOCK */

.top-rail {
min-height: 82px !important;
display: grid !important;
grid-template-columns: minmax(220px, 330px) minmax(0, 1fr) !important;
align-items: center !important;
gap: 28px !important;
padding: 0 34px !important;
border-bottom: 1px solid rgba(200, 135, 58, 0.34) !important;
background:
linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,0)),
linear-gradient(90deg, rgba(200,135,58,.12), transparent 32%, rgba(55,191,255,.08)),
rgba(5,6,8,.94) !important;
box-shadow: 0 16px 42px rgba(0,0,0,.48) !important;
}

.header-brand-zone {
display: flex !important;
align-items: center !important;
gap: 14px !important;
min-width: 0 !important;
}

.header-v-mark {
width: 42px !important;
height: 42px !important;
flex: 0 0 42px !important;
display: grid !important;
place-items: center !important;
border-radius: 50% !important;
border: 1px solid rgba(230, 173, 95, 0.72) !important;
color: #e6ad5f !important;
background:
radial-gradient(circle at 50% 38%, rgba(55,191,255,.30), transparent 24%),
linear-gradient(180deg, rgba(230,173,95,.18), rgba(0,0,0,.60)) !important;
box-shadow:
0 0 28px rgba(200,135,58,.24),
0 0 24px rgba(55,191,255,.18),
inset 0 0 0 1px rgba(255,255,255,.04) !important;
font-family: "Oxanium", "Rajdhani", system-ui, sans-serif !important;
font-size: 19px !important;
font-weight: 800 !important;
letter-spacing: .03em !important;
}

.header-brand-name {
font-family: "Oxanium", "Rajdhani", system-ui, sans-serif !important;
color: #e6ad5f !important;
font-size: 24px !important;
line-height: .95 !important;
font-weight: 800 !important;
letter-spacing: .18em !important;
text-transform: uppercase !important;
text-shadow: 0 0 18px rgba(200,135,58,.24) !important;
white-space: nowrap !important;
}

.header-positioning-zone {
justify-self: end !important;
max-width: 920px !important;
min-width: 0 !important;
padding-left: 28px !important;
border-left: 1px solid rgba(200,135,58,.22) !important;
text-align: right !important;
position: relative !important;
}

.header-positioning-zone::before {
content: "";
position: absolute;
left: -1px;
top: 10px;
bottom: 10px;
width: 1px;
background: linear-gradient(180deg, transparent, rgba(55,191,255,.60), transparent);
box-shadow: 0 0 16px rgba(55,191,255,.36);
}

.header-positioning-line {
font-family: "Oxanium", "Rajdhani", system-ui, sans-serif !important;
color: #f3eadb !important;
font-size: clamp(18px, 1.45vw, 25px) !important;
line-height: 1.05 !important;
font-weight: 800 !important;
letter-spacing: .035em !important;
text-transform: none !important;
text-shadow:
0 0 18px rgba(200,135,58,.16),
0 0 22px rgba(55,191,255,.10) !important;
}

.header-positioning-subline {
margin-top: 7px !important;
font-family: "Rajdhani", Inter, system-ui, sans-serif !important;
color: rgba(215,197,170,.86) !important;
font-size: clamp(14px, 1vw, 18px) !important;
line-height: 1.18 !important;
font-weight: 600 !important;
letter-spacing: .025em !important;
}

.top-rail .nav-icons,
.top-rail nav,
.top-rail .division-status,
.top-rail .brand-sub,
.top-rail button[aria-label="Home"],
.top-rail button[aria-label="Lab"],
.top-rail button[aria-label="Grid"],
.top-rail button[aria-label="Signal"],
.top-rail button[aria-label="Panel"] {
display: none !important;
}

@media (max-width: 900px) {
.top-rail {
grid-template-columns: 1fr !important;
gap: 12px !important;
padding: 18px 22px !important;
min-height: auto !important;
}

.header-positioning-zone {
justify-self: stretch !important;
text-align: left !important;
padding-left: 0 !important;
border-left: 0 !important;
padding-top: 12px !important;
border-top: 1px solid rgba(200,135,58,.20) !important;
}

.header-positioning-zone::before {
display: none !important;
}

.header-positioning-line {
font-size: 20px !important;
}

.header-positioning-subline {
font-size: 15px !important;
}
}

@media (max-width: 520px) {
.header-brand-name {
font-size: 20px !important;
letter-spacing: .14em !important;
}

.header-v-mark {
width: 36px !important;
height: 36px !important;
flex-basis: 36px !important;
font-size: 16px !important;
}

.header-positioning-line {
font-size: 18px !important;
}

.header-positioning-subline {
font-size: 14px !important;
}
}