/* ============================================================
   Shared site chrome — navigation bar + footer.
   Single source of truth loaded by every page (index, terms, privacy).
   Depends on each page defining the color tokens (--bg, --text, etc.)
   and loading the Tabler icon font.
   ============================================================ */

/* Language visibility — only ever hide the inactive language */
html:not(.lang-es) [data-l="es"] { display: none; }
html.lang-es [data-l="en"] { display: none; }

/* Reserve nav height before chrome.js injects, to avoid layout shift */
#site-nav { display: block; min-height: 56px; }

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg2);
  border-bottom: 0.5px solid var(--border);
  padding: 0 40px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.3s;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--orange); }
.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  color: var(--text3);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  transition: color 0.2s, transform 0.1s;
  display: inline-block;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--orange); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.mode-btn {
  background: none;
  border: 0.5px solid var(--border);
  border-radius: 8px;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text3);
  font-size: 17px;
  transition: color 0.2s, border-color 0.2s, transform 0.1s;
}
.mode-btn:hover { color: var(--text); border-color: var(--text3); }
.lang-btn {
  background: none;
  border: 0.5px solid var(--border);
  border-radius: 8px;
  height: 34px;
  padding: 0 11px;
  display: flex; align-items: center; gap: 5px;
  cursor: pointer;
  color: var(--text3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  transition: color 0.2s, border-color 0.2s, transform 0.1s;
}
.lang-btn:hover { color: var(--text); border-color: var(--text3); }
.lang-btn i { font-size: 16px; }
.hamburger {
  display: none;
  background: none;
  border: 0.5px solid var(--border);
  border-radius: 8px;
  width: 34px; height: 34px;
  align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text3);
  font-size: 20px;
  transition: color 0.2s;
}
.hamburger:hover { color: var(--text); }
.nav-links a:active { transform: scale(0.92); }
.mode-btn:active, .lang-btn:active, .hamburger:active { transform: scale(0.88); }

/* ── MOBILE MENU ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  z-index: 99;
  max-height: calc(100vh - 56px);
  overflow-y: auto;
  flex-direction: column;
  background: var(--bg2);
  border-bottom: 0.5px solid var(--border);
  padding: 8px 20px 16px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text3);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 0.5px solid var(--border);
  transition: color 0.2s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--orange); }

/* ── FOOTER ── */
.site-footer { position: relative; }
/* Top divider only where the page has no section dividers of its own (added by chrome.js) */
.site-footer.has-top-divider::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  margin: 0 auto;
  width: calc(100% - 80px);
  max-width: 880px;
  height: 0.5px;
  background: var(--border);
}
.site-footer-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text3);
  display: flex; align-items: center; gap: 8px;
}
.footer-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.footer-social { display: flex; align-items: center; gap: 6px; }
.social-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--bg2);
  border: 0.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text3);
  font-size: 18px;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.1s;
}
.social-icon:hover { color: var(--text); border-color: var(--text3); }
.social-icon:active { transform: scale(0.88); background: var(--bg3); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text3);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

/* ── RESPONSIVE ── */
@media (max-width: 720px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .site-footer-inner { flex-direction: column; text-align: center; padding: 28px 20px; }
  .site-footer-inner > div { justify-content: center; }
}