/* Shared navigation, footer layout and accessibility. Content stays local. */
footer {
  border-top: 1px solid var(--rule); padding: 2rem 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
}
.footer-links { display: flex; }
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--nav-h); display: flex; align-items: center;
  justify-content: space-between; padding: 0 var(--pad);
  background: var(--cream); border-bottom: 1px solid var(--rule);
  transition: border-color .3s;
}
#nav.scrolled { border-bottom-color: rgba(0,0,0,.14); }
.nav-logo {
  display: flex; align-items: center; gap: .75rem;
  font-family: var(--serif); font-size: 1.1rem; font-weight: 300; letter-spacing: -.01em;
}
.nav-logo img { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 2.5rem; }
.nav-links a {
  font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); transition: color .15s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -3px; width: 0; height: 1px;
  background: var(--red); transition: width .2s;
}
.nav-links a:hover { color: var(--black); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.nav-cta {
  font-size: .68rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--black); border: 1px solid var(--black); padding: .5rem 1.1rem;
  transition: background .15s, color .15s;
}
.nav-links a.nav-cta::after { display: none; }
.nav-links a.nav-cta:hover { background: var(--black); color: var(--cream); }
.nav-burger {
  display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 4px;
}
.nav-burger span { display: block; width: 24px; height: 1px; background: var(--black); transition: .25s; }
.nav-mobile {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--cream); border-bottom: 1px solid var(--rule);
  padding: 2rem var(--pad); z-index: 800; flex-direction: column; gap: 1.5rem;
  max-height: calc(100dvh - var(--nav-h)); overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 1.1rem; font-family: var(--serif); font-weight: 300;
  border-bottom: 1px solid var(--rule); padding-bottom: 1.25rem;
}
body[data-page="landertalks"] .nav-links { gap: 2.25rem; }
@media (max-width: 800px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
}
@media (max-width: 1080px) {
  body[data-page="index"] .nav-links { display: none; }
  body[data-page="index"] .nav-burger { display: flex; }
}
@media (max-width: 900px) {
  body[data-page="landertalks"] .nav-links { display: none; }
  body[data-page="landertalks"] .nav-burger { display: flex; }
}
/* Preserve the existing 404 page's compact navigation. */
body[data-page="404"] #nav { z-index: 100; border-bottom-color: transparent; transition: border-color .2s; }
body[data-page="404"] #nav.scrolled { border-bottom-color: rgba(0,0,0,.14); }
body[data-page="404"] .nav-logo { gap: .6rem; letter-spacing: normal; }
body[data-page="404"] .nav-links a { font-size: .68rem; font-family: var(--sans); transition: none; }
body[data-page="404"] .nav-links a::after { bottom: -2px; background: var(--black); }
body[data-page="404"] .nav-links a.nav-cta { padding: .45rem 1.1rem; transition: background .2s, color .2s; }
body[data-page="404"] .nav-mobile { padding: 1.5rem var(--pad) 2rem; z-index: 99; gap: 0; }
body[data-page="404"] .nav-mobile a {
  font-family: var(--sans); font-size: .8rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; padding: .75rem 0; color: var(--muted);
}
@media (min-width: 769px) and (max-width: 800px) {
  body[data-page="404"] .nav-links { display: flex; }
  body[data-page="404"] .nav-burger { display: none; }
}
:where(a, button, input, iframe):focus-visible { outline: 2px solid var(--red); outline-offset: 4px; }
.inline-form input[type="email"]:focus-visible { outline: 2px solid var(--red); outline-offset: 4px; }
.inline-form { position: relative; }
.form-status {
  position: absolute; top: calc(100% + .5rem); left: 0; right: 0;
  color: var(--red); font-size: .875rem; line-height: 1.4;
}
.form-status:empty { display: none; }
.inline-form[aria-busy="true"] button { cursor: wait; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}