:root {
  --brand-night: #09101d;
  --brand-night-2: #0e1524;
  --brand-paper: #f2ead7;
  --brand-paper-2: #f8f2e6;
  --brand-gold: #c2a15c;
  --brand-ink: #121524;
  --brand-signal: #d7e56f;
  --brand-line-dark: rgba(242, 234, 215, .16);
  --brand-line-paper: rgba(18, 21, 36, .16);
  --brand-shadow-paper: 0 20px 45px rgba(2, 7, 15, .2);
  --brand-gutter: clamp(20px, 4.5vw, 76px);
  --font-brand: Inter, Arial, sans-serif;
  --font-brand-condensed: "Arial Narrow", "Liberation Sans Narrow", "Roboto Condensed", sans-serif;
  --font-brand-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --font-brand-ceremony: Baskerville, Georgia, serif;

  /* Backwards-compatible aliases used by the existing public pages. */
  --night: var(--brand-night);
  --night-2: var(--brand-night-2);
  --paper: var(--brand-paper);
  --paper-2: var(--brand-paper-2);
  --gold: var(--brand-gold);
  --ink: var(--brand-ink);
  --signal: var(--brand-signal);
  --gutter: var(--brand-gutter);
  --sans: var(--font-brand);
  --narrow: var(--font-brand-condensed);
  --mono: var(--font-brand-mono);
  --serif: var(--font-brand-ceremony);
  --font-body: var(--font-brand);
  --font-condensed: var(--font-brand-condensed);
  --font-code: var(--font-brand-mono);
  --font-ceremony: var(--font-brand-ceremony);
}

body {
  background:
    radial-gradient(circle at 82% 7%, rgba(52, 48, 106, .34), transparent 31%),
    radial-gradient(circle at 10% 36%, rgba(125, 23, 55, .16), transparent 25%),
    linear-gradient(116deg, transparent 0 47%, rgba(194, 161, 92, .055) 47.1% 47.22%, transparent 47.32%),
    linear-gradient(160deg, var(--brand-night-2), var(--brand-night) 54%, #070c16);
  font-family: var(--font-brand);
}

/* One quiet page texture. Door texture remains local to the door components. */
body::after {
  opacity: .09 !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E") !important;
}

.institution-header {
  min-height: 76px;
  padding: 11px var(--brand-gutter);
  border-bottom: 1px solid var(--brand-line-dark);
  background: rgba(9, 16, 29, .94);
}

.institution-header__brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.institution-header__brand img,
.institution-header__brand .signature-logo,
.institution-header__brand .signature-logo img {
  width: clamp(138px, 11vw, 158px);
  height: auto;
  object-fit: contain;
}

.institution-header a:focus-visible,
.institution-header button:focus-visible,
.institution-route-bar a:focus-visible {
  outline: 2px solid var(--brand-signal);
  outline-offset: 4px;
}

.admission-file,
.learning-document,
.quiz-modal {
  background: var(--brand-paper);
  border: 1px solid var(--brand-line-paper);
  box-shadow: var(--brand-shadow-paper);
}

@media (max-width: 760px) {
  :root { --brand-gutter: 20px; }

  .institution-header {
    min-height: 70px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .institution-header__brand img,
  .institution-header__brand .signature-logo,
  .institution-header__brand .signature-logo img {
    width: 138px;
  }
}