/* ============================================================
   RecibIA — Nav
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--ri-paper);
  border-bottom: 1px solid transparent;
  transition: border-color var(--ri-duration) var(--ri-easing),
              background var(--ri-duration) var(--ri-easing);
}

.nav.is-scrolled {
  border-bottom-color: var(--ri-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--ri-space-sm);
  padding-bottom: var(--ri-space-sm);
}

.nav__logo img {
  height: 28px;
  width: auto;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--ri-space-lg);
  font-size: var(--ri-text-sm);
  font-weight: 600;
  color: var(--ri-ink-soft);
}

.nav__links a {
  transition: color var(--ri-duration) var(--ri-easing);
}

.nav__links a:hover {
  color: var(--ri-teal);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--ri-space-sm);
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--ri-radius-sm);
  border: 1px solid var(--ri-border);
  background: var(--ri-surface);
}

.nav__toggle svg { width: 18px; height: 18px; }

@media (min-width: 860px) {
  .nav__links { display: flex; }
  .nav__toggle { display: none; }
}

/* Mobile menu panel */
.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--ri-navy-950);
  display: flex;
  flex-direction: column;
  padding: calc(var(--ri-space-xl) + 56px) var(--ri-space-lg) var(--ri-space-lg);
  transform: translateY(-100%);
  transition: transform var(--ri-duration) var(--ri-easing);
}

.nav-mobile.is-open { transform: translateY(0); }

.nav-mobile__links {
  display: flex;
  flex-direction: column;
  gap: var(--ri-space-md);
  font-family: var(--ri-font-display);
  font-size: var(--ri-text-xl);
  font-weight: 700;
  color: var(--ri-ink-inverse);
}

.nav-mobile__cta { margin-top: var(--ri-space-xl); }