.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--container-padding);
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 3px;
  color: var(--lime);
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color var(--transition-base);
}

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

.nav__cta {
  background: var(--lime);
  color: #000;
  border: none;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  transition: background var(--transition-base), transform var(--transition-fast);
}

.nav__cta:hover {
  background: var(--lime-hover);
  transform: scale(1.02);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Scrolled state */
.nav--scrolled {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

/* Mobile CTA items inside nav__links — hidden on desktop */
.nav__mobile-cta-item {
  display: none;
}

/* Mobile */
@media (max-width: 768px) {
  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav.nav--open .nav__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem var(--container-padding) 1.25rem;
    gap: 1.25rem;
  }

  /* Reveal the mobile CTA items inside the panel */
  .nav.nav--open .nav__mobile-cta-item {
    display: block;
    width: 100%;
  }

  /* Separator line before CTA buttons */
  .nav.nav--open .nav__mobile-cta-item--survey {
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    margin-top: 0.25rem;
  }

  /* Primary button: ENCUESTA */
  .nav__survey-btn {
    display: block;
    width: 100%;
    padding: 0.875rem 1.25rem;
    background: var(--lime);
    color: #000;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-align: center;
    cursor: pointer;
    transition: background var(--transition-base), transform var(--transition-fast);
  }

  .nav__survey-btn:hover,
  .nav__survey-btn:active {
    background: var(--lime-hover);
    transform: scale(1.01);
  }

  /* Secondary button: Únete a la lista */
  .nav__waitlist-btn {
    display: block;
    width: 100%;
    padding: 0.75rem 1.25rem;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-base), color var(--transition-base);
  }

  .nav__waitlist-btn:hover,
  .nav__waitlist-btn:active {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text);
  }
}