/* FD-WEB-023: printed rules, paper tabs and quiet correspondence interactions. */
.book-divider { display: flex; align-items: center; gap: 1rem; width: 100%; color: var(--holding-accent); pointer-events: none; }
.book-divider-line { height: 1px; flex: 1; background: var(--holding-rule); }
.book-divider-stitch { display: flex; align-items: center; gap: 4px; height: 14px; }
.book-divider-stitch i { display: block; width: 1px; height: 6px; background: currentColor; }
.book-divider-stitch i:nth-child(2) { height: 12px; }
.book-divider--section { margin-top: 1.2rem; gap: .75rem; }
.book-divider--section .book-divider-line:first-child { flex: 0 0 2.5rem; background: var(--holding-accent); }
.book-section-heading { margin-block: 2.5rem 2rem; }
.book-section-heading h2 { line-height: 1.65; }
.book-divider--closing { margin-bottom: 2rem; }
.book-divider--colophon { margin-top: 2.5rem; opacity: .75; }
.book-footer { border: 0; padding-top: 0; }
.book-footer::before { display: none; }
.footer-contact-register {
  position: relative; isolation: isolate; display: flex; justify-content: space-between; gap: 1.5rem;
  align-items: center; padding: clamp(1.25rem, 3vw, 2rem); margin-bottom: 2.5rem;
  border: 0; background: var(--holding-accent-soft);
}
.footer-contact-register::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: url('/brand/holding-pattern.png') 20% center / 22rem auto no-repeat; opacity: .045;
}
.footer-contact-title {
  display: inline-flex; align-items: center; gap: 1.5rem; min-height: 56px;
  font-family: var(--font-serif); color: var(--holding-accent); font-size: clamp(2rem, 3vw, 2.75rem); line-height: 1.3; text-decoration: none;
}
.footer-contact-title:hover { text-decoration: none; }
.footer-contact-direction {
  display: grid; place-items: center; width: 44px; height: 44px; flex: 0 0 auto;
  border: 1px solid var(--holding-rule); border-radius: 50%; color: var(--holding-accent);
}
.footer-contact-title:is(:hover, :focus-visible) .footer-contact-direction { background: var(--holding-accent); color: var(--paper-page); border-color: var(--holding-accent); }
.footer-contact-routes { display: grid; gap: .1rem; font-size: .875rem; line-height: 1.7; text-align: start; }
.footer-contact-routes a {
  display: flex; align-items: center; gap: .7rem; min-height: 44px;
  padding: .55rem .7rem; color: var(--holding-accent); text-decoration: none;
  font-variant-numeric: tabular-nums; overflow-wrap: anywhere;
}
.footer-contact-routes svg { flex-shrink: 0; }
.footer-contact-routes a:is(:hover, :focus-visible) { color: var(--holding-accent); background: var(--paper-page); }
.footer-index-link {
  position: relative; display: flex; align-items: center; min-height: 44px;
  width: fit-content; max-width: 100%; padding: .65rem .65rem .65rem 0;
  text-decoration: none; line-height: 1.5; color: var(--copy-muted); isolation: isolate;
}
.footer-index-link::before { content: ""; position: absolute; inset: .15rem -.35rem; background: var(--holding-accent-soft); z-index: -1; opacity: 0; }
.footer-index-link::after { content: ""; width: 5px; height: 5px; flex: 0 0 5px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); margin-inline-start: .65rem; opacity: 0; }
.footer-index-link:is(:hover, :focus-visible) { color: var(--holding-accent); }
.footer-index-link:is(:hover, :focus-visible)::before, .footer-index-link:is(:hover, :focus-visible)::after { opacity: 1; }
[dir="rtl"] .footer-index-link { padding-inline: 0 .65rem; }
[dir="rtl"] .footer-index-link::after { transform: rotate(-135deg); }
[dir="rtl"] .footer-contact-direction svg { transform: scaleX(-1); }
@media (prefers-reduced-motion: no-preference) {
  .footer-contact-direction, .footer-contact-routes a { transition: background-color 220ms ease-out, color 220ms ease-out, transform 280ms cubic-bezier(.16,1,.3,1); }
  .footer-contact-title:hover .footer-contact-direction { transform: translateY(-2px); }
  .footer-index-link::before, .footer-index-link::after { transition: opacity 180ms ease-out; }
}
@media (max-width: 639px) {
  .footer-contact-register { flex-direction: column; align-items: stretch; gap: 1.25rem; }
  .footer-contact-title { justify-content: space-between; }
  .footer-contact-routes a { padding-inline: 0; font-size: .8125rem; }
  .book-divider--section .book-divider-line:first-child { flex-basis: 1.5rem; }
}
@media (forced-colors: active) {
  .book-divider-line, .book-divider-stitch i { background: CanvasText; }
  .footer-index-link, .footer-contact-routes a { text-decoration: underline; }
  .footer-contact-register { border: 1px solid CanvasText; }
}