/* ═══════════════════════════════════════════════════════════
   HIMPULSA — nav.css
   Desktop + tablet + móvil + hamburguesa + fomo banner
   Todo en un solo archivo. Nada más controla el nav.
   ═══════════════════════════════════════════════════════════ */

/* ─── NAV DESKTOP ─── */
nav {
  position: fixed;
  top: 40px;
  left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: transparent;
  transition: background 0.4s ease;
}
nav.scrolled {
  background: rgba(7,7,15,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid rgba(127,119,221,0.2);
}
.nav-logo {
  font-family: var(--font-titulo);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-decoration: none;
  flex-shrink: 0;
  z-index: 121;
}
.nav-logo .morado { color: var(--morado); }
.nav-logo .blanco { color: var(--blanco); }

/* ─── LINKS DESKTOP ─── */
.nav-links {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gris);
  text-decoration: none;
  white-space: nowrap;
  transition: color .3s ease;
}
.nav-links a:hover { color: var(--blanco); }
.nav-links a.nav-activo { color: var(--morado-light); font-weight: 800; }

/* ─── CTA DESKTOP ─── */
.nav-cta {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--blanco);
  text-decoration: none;
  border: 0.5px solid rgba(127,119,221,0.5);
  padding: 10px 22px;
  border-radius: var(--radio-pill);
  transition: background 0.3s ease, border-color 0.3s ease;
  flex-shrink: 0;
  z-index: 121;
}
.nav-cta:hover {
  background: rgba(127,119,221,0.15);
  border-color: var(--morado);
}

/* ─── HAMBURGUESA: oculto en desktop ─── */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 121;
  flex-direction: column;
  gap: 5px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* ─── FOMO BANNER ─── */
.fomo-banner {
  position: fixed;
  top: 0;
  left: 0; right: 0;
  z-index: 110;
  background: linear-gradient(135deg, #534AB7, #7F77DD);
  padding: 11px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.fomo-banner-text {
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  text-align: center;
  line-height: 1.4;
  position: relative;
  display: block;
  height: 20px;
  width: 100%;
  overflow: hidden;
}
.fomo-banner-text strong { font-weight: 800; }
.fomo-banner-msg {
  position: absolute;
  left: 0; right: 0;
  top: 0;
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;          /* móvil: el texto largo no se desborda */
  text-overflow: ellipsis;   /* corta con … en pantallas angostas */
}
.fomo-banner-msg.activo {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}
.fomo-banner-msg.saliendo {
  opacity: 0;
  transform: translateX(-60px);
}


/* ═══════════════════════════════════════════════════════════
   TABLET + MÓVIL — ≤860px
   Nav se convierte en hamburguesa + overlay fullscreen
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 860px) {

  nav {
    padding: 16px 20px;
    top: 42px;
  }

  /* ── FIX OVERLAY vs SCROLL ──
     backdrop-filter en nav.scrolled convierte al <nav> en containing
     block de sus hijos position:fixed → el overlay .nav-links se
     encogía al tamaño de la barra al hacer scroll. En móvil quitamos
     el filter (el overlay ya trae su propio fondo casi opaco). */
  nav.scrolled {
    background: rgba(7,7,15,0.98);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  /* Mostrar hamburguesa */
  .nav-hamburger {
    display: flex;
  }

  /* Animación X */
  nav.nav-open .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  nav.nav-open .nav-hamburger span:nth-child(2) { opacity: 0; }
  nav.nav-open .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* Links: overlay fullscreen, oculto por defecto */
  .nav-links {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(9,9,14,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 115;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .3s, visibility .3s;
  }
  nav.nav-open .nav-links {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-links a {
    font-family: var(--font-titulo);
    font-size: 22px;
    font-weight: 800;
    color: var(--blanco);
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .nav-links a:hover,
  .nav-links a.nav-activo { color: var(--lima); }

  /* CTA: oculto, reaparece dentro del overlay */
  .nav-cta {
    position: fixed;
    bottom: 18%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 116;
    font-size: 16px;
    padding: 14px 36px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .3s, visibility .3s;
  }
  nav.nav-open .nav-cta {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  /* Banner más compacto */
  .fomo-banner { padding: 10px 16px; }
  .fomo-banner-text { font-size: 11px; }
}


/* ═══════════════════════════════════════════════════════════
   MÓVIL — ≤480px
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  nav { padding: 12px 16px; top: 36px; }
  .nav-logo { font-size: 22px; }
  .nav-links a { font-size: 20px; gap: 22px; }
  .fomo-banner { padding: 8px 12px; }
  .fomo-banner-text { font-size: 10px; height: 16px; }
}

/* ═══════════════════════════════════════════════════════════
   iPhone SE — ≤380px
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 380px) {
  nav { padding: 10px 12px; top: 32px; }
  .nav-logo { font-size: 20px; }
  .nav-links a { font-size: 18px; }
}