/* nav.css — Navegación principal. Mobile-first. */

/* ------------------------------------------------------------------ */
/*  Nav wrapper                                                         */
/* ------------------------------------------------------------------ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

/* Scrolled state — toggled by IntersectionObserver in nav.js */
.nav.is-stuck {
  background: var(--surface-default);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}

/* ------------------------------------------------------------------ */
/*  Brand                                                               */
/* ------------------------------------------------------------------ */

.brand {
  display: flex;
  flex-direction: column;
  gap: 0;
  color: var(--text-default);
  text-decoration: none;
  line-height: 1;
}

.brand:hover {
  color: var(--accent-primary);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ------------------------------------------------------------------ */
/*  Desktop nav links — hidden on mobile                               */
/* ------------------------------------------------------------------ */

.nav-links {
  display: none;
  gap: var(--space-6);
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-default);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links .current-menu-item > a {
  color: var(--accent-primary);
}

/* ------------------------------------------------------------------ */
/*  Right side                                                          */
/* ------------------------------------------------------------------ */

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* WhatsApp CTA button */
.btn-wa {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--accent-primary);
  color: var(--text-on-accent);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.btn-wa:hover {
  background: var(--accent-secondary);
  color: var(--text-on-accent);
  transform: translateY(-1px);
}

/* ------------------------------------------------------------------ */
/*  Hamburger                                                           */
/* ------------------------------------------------------------------ */

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.hamburger:hover {
  border-color: var(--accent-primary);
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-default);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

/* X state when drawer is open */
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ------------------------------------------------------------------ */
/*  Mobile drawer                                                       */
/* ------------------------------------------------------------------ */

.nav-drawer {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface-default);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6) var(--pad-mobile);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.drawer-links,
.nav-drawer ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.drawer-links a,
.nav-drawer ul a {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text-default);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.drawer-links a:hover,
.nav-drawer ul a:hover {
  color: var(--accent-primary);
}

/* ------------------------------------------------------------------ */
/*  FAB WhatsApp — mobile only                                          */
/* ------------------------------------------------------------------ */

.fab-wa {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: #25D366; /* WhatsApp green — intentionally hardcoded */
  color: #ffffff;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  transition: transform var(--transition-spring), box-shadow var(--transition-fast);
}

.fab-wa:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-xl);
  color: #ffffff;
}

.fab-wa svg {
  width: 28px;
  height: 28px;
}

/* ------------------------------------------------------------------ */
/*  Language selector                                                   */
/* ------------------------------------------------------------------ */

.nav-lang {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-lang-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-1);
}

.nav-lang-link.is-active {
  color: var(--text-default);
}

.nav-lang-link:hover {
  color: var(--accent-primary);
}

.nav-lang-sep {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--border-default);
}

/* ------------------------------------------------------------------ */
/*  Footer                                                              */
/* ------------------------------------------------------------------ */

.footer {
  background: var(--bone);
  border-top: 6px solid var(--accent-primary);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  padding: var(--space-12) var(--pad-mobile);
}

/* Columna brand */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-addr {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

/* Columna nav — menú de WP */
.footer-inner nav > ul,
.footer-inner .footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-inner nav > ul a,
.footer-inner .footer-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-default);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-inner nav > ul a:hover,
.footer-inner .footer-links a:hover {
  color: var(--accent-primary);
}

/* Columna CTA */
.footer-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}

.footer-cta a:not(.btn-wa) {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-cta a:not(.btn-wa):hover {
  color: var(--accent-primary);
}

/* Columna heading */
.footer-col-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  margin: 0 0 var(--space-4);
}

.footer-addr a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-addr a:hover {
  color: var(--accent-primary);
}

/* Barra legal */
.footer-bottom {
  border-top: 1px solid var(--border-default);
  padding: var(--space-5) var(--pad-mobile);
}

.footer-bottom small {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--text-muted);
}