/* ============================================================
   NAV — PISCIOTTI GÓMEZ ABOGADOS
   nav.css — Barra de navegación fija y menú móvil
   ============================================================ */


/* ── NAV BASE ────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: rgba(27, 58, 107, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gold-border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* Versión scrolled (con JS se agrega .nav--scrolled) */
.nav--scrolled {
  background: rgba(13, 34, 71, 0.99);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.nav__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}


/* ── LOGO ────────────────────────────────────────────────── */

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--color-text-white);
  line-height: 1.15;
}

.nav__logo-text span {
  color: var(--color-gold);
}

.nav__logo-sub {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
  font-weight: var(--font-regular);
  letter-spacing: var(--tracking-wide);
  display: block;
}


/* ── LINKS DE NAVEGACIÓN ─────────────────────────────────── */

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__links a {
  color: rgba(255, 255, 255, 0.80);
  font-size: 14px;
  font-weight: var(--font-medium);
  letter-spacing: 0.02em;
  transition: color 0.2s;
  position: relative;
}

/* Underline animado */
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-gold);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  transform: scaleX(1);
}


/* ── CTA DEL NAV ─────────────────────────────────────────── */

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav__phone {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: 5px;
}


/* ── MENÚ HAMBURGUESA (MÓVIL) ────────────────────────────── */

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: calc(var(--z-nav) + 1);
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-white);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

/* Estado abierto */
.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}


/* ── MENÚ MÓVIL DROPDOWN ─────────────────────────────────── */

.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-navy-dark);
  border-top: 1px solid var(--color-gold-border);
  padding: var(--space-5) var(--container-pad) var(--space-8);
  z-index: calc(var(--z-nav) - 1);

  /* Animación de entrada */
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.nav__mobile.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.nav__mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav__mobile-links li a {
  display: block;
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-md);
  font-weight: var(--font-medium);
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: color 0.2s, padding-left 0.2s;
}

.nav__mobile-links li a:hover {
  color: var(--color-gold);
  padding-left: var(--space-3);
}

.nav__mobile-cta {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}


/* ── OVERLAY OSCURO (MÓVIL) ──────────────────────────────── */

.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: calc(var(--z-nav) - 2);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.nav__overlay.is-open {
  opacity: 1;
  pointer-events: all;
}


/* ── RESPONSIVE ───────────────────────────────────────────── */

@media (max-width: 900px) {
  .nav__links,
  .nav__phone {
    display: none;
  }

  .nav__cta .btn {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__mobile {
    display: block;
  }

  .nav__overlay {
    display: block;
  }
}

@media (max-width: 480px) {
  .nav__logo-sub {
    display: none;
  }
}