/* ── Shared Navigation ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg, rgba(212, 215, 221, 0.6));
  border-bottom: 1px solid var(--shadow-dark, rgba(0, 0, 0, 0.08));
  font-family: 'Inter', 'Nunito Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-nav .nav-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-nav .nav-brand {
  color: var(--nav-text, #3a3f4a);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.3rem 0;
  transition: color 0.25s;
}

.site-nav .nav-brand:hover {
  color: var(--accent, #5a5f6b);
}

.site-nav .nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav .nav-links a {
  color: var(--nav-text-secondary, #5a5f6b);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  transition: color 0.25s, box-shadow 0.2s;
}

.site-nav .nav-links a:hover {
  color: var(--accent, #5a5f6b);
}

.site-nav .nav-toggle {
  display: none;
  background: var(--nav-bg, #d4d7dd);
  border: none;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  color: var(--nav-text-secondary, #5a5f6b);
  font-size: 1.2rem;
  border-radius: 8px;
  box-shadow: 2px 2px 5px var(--shadow-dark, #b0b3b9), -2px -2px 5px var(--shadow-light, #f5f6f8);
  transition: box-shadow 0.2s, color 0.2s;
}

.site-nav .nav-toggle:hover {
  box-shadow: inset 2px 2px 4px var(--shadow-dark, #b0b3b9), inset -2px -2px 4px var(--shadow-light, #f5f6f8);
  color: var(--accent, #3a3f4a);
}

@media (max-width: 600px) {
  .site-nav .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--nav-bg, rgba(212, 215, 221, 0.6));
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--shadow-dark, rgba(0, 0, 0, 0.08));
    gap: 0.15rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .site-nav .nav-links a {
    display: block;
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
  }

  .site-nav .nav-links.open {
    display: flex;
  }

  .site-nav .nav-toggle {
    display: block;
  }
}

/* ── Shared Footer ── */
.site-footer {
  text-align: center;
  padding: 3rem 1.5rem 2.5rem;
  border-top: 1px solid var(--footer-border, #c0c3c9);
  margin-top: 2rem;
  font-family: 'Inter', 'Nunito Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

.site-footer-inner {
  max-width: 800px;
  margin: 0 auto;
}

.site-footer-links {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.site-footer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--footer-icon-bg, #d4d7dd);
  color: var(--footer-icon-color, #5a5f6b);
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 3px 3px 6px var(--shadow-dark, #b0b3b9), -3px -3px 6px var(--shadow-light, #f5f6f8);
  transition: box-shadow 0.2s, color 0.2s;
}

.site-footer-links a:hover {
  color: var(--accent, #3a3f4a);
  box-shadow: inset 2px 2px 4px var(--shadow-dark, #b0b3b9), inset -2px -2px 4px var(--shadow-light, #f5f6f8);
}

.site-footer-copy {
  font-size: 0.75rem;
  color: var(--footer-text, #8a8f9a);
  margin: 0;
}

.site-footer-privacy {
  font-size: 0.7rem;
  color: var(--footer-text, #8a8f9a);
  margin-top: 0.5rem;
}

.site-footer-privacy a {
  color: var(--footer-link-color, #3a6fb5);
  text-decoration: none;
  margin-left: 0.3em;
}

.site-footer-privacy a:hover {
  text-decoration: underline;
}