/* =========================================================
   Nav + Footer — shared layout
   ========================================================= */

/* ---- Nav ---- */
#main-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  height: 60px;
}

.nav-logo {
  flex-shrink: 0;
  text-decoration: none;
}

.nav-logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.5px;
}

.nav-logo-text strong {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-inline-start: var(--space-4);
}

.nav-link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-text);
  background-color: var(--color-bg-muted);
  text-decoration: none;
}

.nav-link-cta {
  color: var(--color-primary);
}

.nav-link-cta:hover {
  color: var(--color-primary-hover);
  background-color: var(--color-primary-light);
}

.nav-search-slot {
  flex: 1;
  max-width: 400px;
}

.nav-auth {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  margin-inline-start: auto;
}

.nav-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-avatar:hover {
  background-color: var(--color-primary-hover);
  text-decoration: none;
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-inline-start: auto;
}

.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-base);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .nav-hamburger {
    display: flex;
  }

  .nav-auth {
    display: none;
  }

  .nav-search-slot {
    display: none;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-4);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    box-shadow: var(--shadow-md);
  }

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

  .nav-link {
    width: 100%;
    padding: var(--space-3) var(--space-2);
  }
}

/* ---- Footer ---- */
#main-footer {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-16);
}

.footer-inner {
  display: flex;
  gap: var(--space-12);
  padding-block: var(--space-10);
}

.footer-brand {
  flex: 1;
  max-width: 280px;
}

.footer-tagline {
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.footer-links {
  display: flex;
  gap: var(--space-12);
}

.footer-col h3.footer-heading {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.footer-col a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.footer-bottom {
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    gap: var(--space-8);
  }

  .footer-brand {
    max-width: 100%;
  }
}