/* ==========================================================================
   Shared Site Styles — Logo, Footer Brand, Mobile Nav Overlay
   ========================================================================== */

/* Logo color classes */
.header-logo .logo-bot { color: var(--color-secondary); }
.header-logo .logo-piper { color: var(--color-primary); }
.header-logo .logo-dot { color: var(--color-primary); }
.header-logo img { margin-right: var(--spacing-2); vertical-align: middle; }

/* Skip to content focus style */
a.sr-only:focus {
  position: fixed;
  top: var(--spacing-2);
  left: var(--spacing-2);
  width: auto;
  height: auto;
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  z-index: 9999;
  clip: auto;
  white-space: normal;
  margin: 0;
  overflow: visible;
  text-decoration: none;
}

/* Footer brand column */
.footer-brand {
  min-width: 200px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  text-decoration: none;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-3);
}

.footer-logo img {
  margin-right: 8px;
  width: 36px;
  height: 36px;
}

.footer-logo:hover {
  text-decoration: none;
  color: var(--color-text-inverse);
}

.footer-logo img { margin-right: var(--spacing-2); vertical-align: middle; }
.footer-logo span { color: var(--color-text-inverse); }

.footer-tagline {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--line-height-relaxed);
  max-width: 340px;
}

/* Hide mobile-only links on desktop */
.mobile-only {
  display: none;
}

/* Mobile navigation overlay */
@media (max-width: 1000px) {
  .header-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface-elevated);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-50);
  }

  .header-nav.mobile-open .header-nav-link {
    padding: var(--spacing-4) var(--spacing-4);
    min-height: 48px;
    display: flex;
    align-items: center;
    font-size: var(--font-size-base);
  }

  .header-nav.mobile-open .mobile-only {
    display: flex;
    margin-top: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-lg);
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
  }

  .header-nav.mobile-open .mobile-only:hover {
    background: var(--color-accent, #332E8F);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}