/* ════════════════════════════════════════
   NAVBAR — Sticky, gradiente naranja,
   links, botón CTA y hamburger mobile
   ════════════════════════════════════════ */

nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #FF8C00 0%, #e07800 100%);
  box-shadow: 0 4px 20px rgba(255,140,0,0.4);
  padding: 0 2rem;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
}

.nav-links a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  transition: background 0.2s;
}

.nav-links a:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

/* Botón "Registrarme" destacado dentro del nav */
.nav-links .btn-nav {
  background: var(--white);
  color: var(--orange) !important;
  padding: 0.45rem 1.1rem;
  border-radius: 25px;
  font-weight: 700;
  margin-left: 0.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-links .btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  background: var(--white);
}

/* Hamburger — oculto en desktop */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--white);
  border-radius: 3px;
  transition: all 0.3s;
}