:root {
  --brand-navy: #0b1d3a;
  --brand-navy-deep: #07162c;
  --brand-blue: #1677ff;
  --brand-blue-action: #0b63ce;
  --brand-blue-hover: #0957b7;
  --brand-blue-soft: rgba(22, 119, 255, 0.12);
  --brand-accent: var(--brand-blue);
  --brand-surface: #0d213f;
  --brand-border: rgba(132, 158, 198, 0.35);
  --brand-progress: var(--brand-blue);
  --brand-highlight: #dbeafe;
}

.dn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.dn-brand__mark {
  display: block;
  width: auto;
  height: 2rem;
  aspect-ratio: 1 / 1;
  flex: 0 0 auto;
}

.dn-brand__wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.24em;
  font-family: var(--dn-font-sans, Inter, "Segoe UI", sans-serif);
  font-size: 1.08rem;
  font-weight: 850;
  letter-spacing: -0.035em;
  line-height: 1;
  white-space: nowrap;
}

.dn-brand__do { color: var(--dn-text-strong, #f8faff); }
.dn-brand__now { color: var(--brand-blue); }

.dn-brand__context {
  margin-left: 0.2rem;
  padding-left: 0.7rem;
  border-left: 1px solid var(--brand-border);
  color: var(--dn-muted, #9fb1d7);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

body.light .dn-brand__do,
.light .dn-brand__do { color: var(--brand-navy); }

.dn-brand--compact .dn-brand__mark { width: auto; height: 1.75rem; }
.dn-brand--compact .dn-brand__wordmark { font-size: 1rem; }

.dn-brand-tagline {
  margin: 0;
  color: var(--dn-muted, #9fb1d7);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.005em;
}

.dn-brand-strip {
  width: min(1100px, 92vw);
  margin: 1.25rem auto 0;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--brand-border);
}

.dn-brand-footer {
  width: min(1100px, 92vw);
  margin: 2.5rem auto 0;
  padding: 1.5rem 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--brand-border);
  color: var(--dn-muted, #9fb1d7);
}

.dn-brand-footer__identity { display: grid; gap: 0.65rem; }
.dn-brand-footer__links { display: flex; flex-wrap: wrap; gap: 0.8rem 1.15rem; }
.dn-brand-footer__links a { font-size: 0.9rem; font-weight: 650; text-underline-offset: 0.2em; }

.dn-progress-motif {
  display: block;
  width: min(12.5rem, 100%);
  height: auto;
  opacity: 0.9;
}

.dn-progress-signature {
  position: relative;
  overflow: hidden;
}

.dn-progress-signature::after {
  content: "";
  position: absolute;
  right: 1rem;
  bottom: 0.8rem;
  width: 7rem;
  height: 2.5rem;
  background: url("/brand/progress-motif.svg") center / contain no-repeat;
  opacity: 0.22;
  pointer-events: none;
}

.dn-depth-note {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 0;
  border: 1px solid var(--brand-border);
  background: color-mix(in srgb, var(--brand-blue) 5%, var(--dn-surface, #0d213f));
}

.dn-depth-note > div { padding: 1rem; }
.dn-depth-note > div + div { border-left: 1px solid var(--brand-border); }
.dn-depth-note strong { display: block; margin-bottom: 0.3rem; color: var(--dn-text-strong, #fff); }
.dn-depth-note span { color: var(--dn-muted, #9fb1d7); font-size: 0.9rem; }

.dn-brand-loader {
  width: 5.5rem;
  height: 2.25rem;
  display: inline-block;
  background: url("/brand/progress-motif.svg") center / contain no-repeat;
  animation: dn-brand-step 1.25s ease-in-out infinite alternate;
}

@keyframes dn-brand-step {
  from { opacity: 0.45; transform: translateY(2px); }
  to { opacity: 1; transform: translateY(-2px); }
}

@media (max-width: 640px) {
  .dn-brand__context { display: none; }
  .dn-brand-footer { align-items: flex-start; flex-direction: column; }
  .dn-depth-note { grid-template-columns: 1fr; }
  .dn-depth-note > div + div { border-left: 0; border-top: 1px solid var(--brand-border); }
}

@media (prefers-reduced-motion: reduce) {
  .dn-brand-loader { animation: none; }
}