/* =============================================
   davidnavratil.com — Shared Brand Layer
   Include in every analysis for visual consistency.
   ============================================= */

/* --- Brand Tokens --- */
:root {
  --brand-bg: #F5F1E8;
  --brand-surface: #FFFFFF;
  --brand-surface-elevated: #FAF8F3;
  --brand-text: #111111;
  --brand-text-secondary: #4B4B4B;
  --brand-muted: #736D64;
  --brand-border: #E0DCD4;
  --brand-accent: #1B7D8A;
  --brand-accent-hover: #156A75;
  --brand-band: #EDE9E0;
  --brand-font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --brand-font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --brand-font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', Menlo, monospace;
  --brand-radius: 12px;
  --brand-radius-sm: 8px;
  --brand-max-width: 1280px;
}

/* --- Brand Header --- */
.brand-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--brand-border);
  font-family: var(--brand-font-sans);
}

.brand-header-inner {
  max-width: var(--brand-max-width);
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  height: 56px;
  gap: 1rem;
}

@media (min-width: 640px) {
  .brand-header-inner { padding: 0 1.5rem; }
}
@media (min-width: 1024px) {
  .brand-header-inner { padding: 0 2rem; }
}

.brand-back-link {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--brand-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.2s;
}

.brand-back-link:hover {
  color: var(--brand-text);
}

.brand-back-link svg {
  flex-shrink: 0;
}

.brand-header-divider {
  width: 1px;
  height: 24px;
  background: var(--brand-border);
  flex-shrink: 0;
}

/* --- Brand Footer --- */
.brand-footer {
  border-top: 1px solid var(--brand-border);
  background: var(--brand-band);
  font-family: var(--brand-font-sans);
  color: var(--brand-muted);
  font-size: 0.8125rem;
}

.brand-footer-inner {
  max-width: var(--brand-max-width);
  margin: 0 auto;
  padding: 2rem 1rem;
}

@media (min-width: 640px) {
  .brand-footer-inner { padding: 2rem 1.5rem; }
}
@media (min-width: 1024px) {
  .brand-footer-inner { padding: 2rem; }
}

.brand-footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--brand-border);
}

.brand-footer-cta {
  font-family: var(--brand-font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--brand-text);
  max-width: 400px;
  line-height: 1.4;
}

.brand-footer-subscribe {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.2rem;
  border-radius: var(--brand-radius-sm);
  background: var(--brand-accent);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.2s;
}

.brand-footer-subscribe:hover {
  background: var(--brand-accent-hover);
  color: #FFFFFF;
}

.brand-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand-footer-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.brand-footer-nav a {
  color: var(--brand-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.brand-footer-nav a:hover {
  color: var(--brand-text);
}

.brand-footer-copy {
  color: var(--brand-muted);
  font-size: 0.75rem;
}

/* --- Analyses Navigation (cross-links in footer) --- */
.brand-analyses-nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.brand-analyses-nav a {
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  border: 1px solid var(--brand-border);
  color: var(--brand-muted);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  transition: border-color 0.2s, color 0.2s;
}

.brand-analyses-nav a:hover,
.brand-analyses-nav a.current {
  border-color: var(--brand-accent);
  color: var(--brand-accent);
}