/* Shared site navigation. Run python -m tools.sync_navigation after editing.
   The blog receives a static copy so both sites remain independently deployable. */
.site-header {
  padding: 0;
  background: var(--card);
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid var(--line);
}
.site-header .site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  max-width: var(--column);
  margin: 0 auto;
  padding: .9rem 1.25rem;
}
.site-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: .75rem;
  min-height: 48px;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.2;
}
.site-brand img { display: block; width: 44px; height: 44px; flex: none; }
.site-brand-name { display: block; font-size: 1.25rem; font-weight: 650; letter-spacing: -.025em; white-space: nowrap; }
.site-header .site-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: .2rem;
  width: auto;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}
.site-header .site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .5rem .8rem;
  margin: 0;
  border-radius: 5px;
  color: var(--muted);
  font-size: .95rem;
  font-weight: 550;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}
.site-header .site-nav a:hover { color: var(--accent); background: var(--accent-soft); }
.site-header .site-nav a[aria-current] {
  color: var(--ink);
  font-weight: 650;
  box-shadow: inset 0 -2px 0 var(--accent);
}
.site-header .site-nav .nav-cta {
  margin-left: .8rem;
  padding: .7rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 650;
  box-shadow: none;
}
.site-header .site-nav .nav-cta:hover { background: #0e3d6e; color: var(--accent-ink); }
.site-header .site-nav .nav-cta[aria-current] {
  color: var(--accent-ink);
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: none;
}
.skip-link {
  position: fixed;
  top: .5rem;
  left: 1rem;
  z-index: 100;
  transform: translateY(-200%);
  padding: .7rem 1rem;
  border: 2px solid var(--accent);
  border-radius: 6px;
  background: var(--card);
  color: var(--accent);
  font-weight: 700;
}
.skip-link:focus { transform: none; }
#main-content:focus { outline: none; }

/* One footer layout for the blog and calculator. */
.site-footer {
  max-width: var(--column);
  margin: 3rem auto 0;
  padding: 2rem 1.25rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .94rem;
}
.site-footer p { margin: .35rem 0; }
.site-footer a { color: var(--accent); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2rem; }
.footer-grid > * { min-width: 0; }
.site-footer .footer-heading { margin: 0 0 .65rem; color: var(--ink); font-weight: 650; }
.site-footer .footer-contact p { margin-bottom: .5rem; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 0; }
.site-footer .footer-grid a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; overflow-wrap: anywhere; }
.site-footer .footer-grid a:hover { text-decoration: underline; text-underline-offset: .2em; }
.site-footer .footer-note { margin: 1.5rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--line-soft); font-size: .9rem; line-height: 1.7; }
.site-footer .footer-bottom { margin: 1.5rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line-soft); font-size: .85rem; }
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
  .footer-contact { grid-column: 1 / -1; }
}
@media (max-width: 420px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .site-footer { padding-inline: 1rem; }
}

/* Keep every destination visible on small screens; no hidden hamburger menu. */
@media (max-width: 960px) {
  .site-header .site-header-inner { flex-wrap: wrap; gap: .65rem; padding-bottom: .65rem; }
  .site-header .site-nav { width: 100%; justify-content: flex-start; flex-wrap: wrap; }
  .site-header .site-nav .nav-cta { margin-left: auto; }
}
@media (max-width: 600px) {
  .site-header .site-header-inner { padding: .85rem 1rem .7rem; }
  .site-brand img { width: 40px; height: 40px; }
  .site-brand-name { font-size: 1.2rem; }
  .site-header .site-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .15rem .4rem; }
  .site-header .site-nav a { padding: .55rem .3rem; white-space: normal; }
  .site-header .site-nav .nav-cta { grid-column: 1 / -1; margin: .35rem 0 0; }
}
@media print {
  .site-header, .skip-link, .local-environment { display: none; }
  .site-footer .footer-grid { display: none; }
  .site-footer { margin-top: 1rem; padding-top: .5rem; }
}