/* ============================================================
   INDAGO Labs — Navigation CSS
   ============================================================ */

/* NAVBAR BASE */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: 1.25rem 0;
  transition: background var(--duration-slow) ease,
              padding var(--duration-slow) ease,
              box-shadow var(--duration-slow) ease;
}

/* ESTADO TRANSPARENTE (sobre el hero) */
.navbar--transparent {
  background: transparent;
}

/* ESTADO SÓLIDO (al scroll) — Navy oscuro del hero */
.navbar--scrolled {
  background: rgba(0,18,51,0.97);
  padding: 0.875rem 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* LOGO */
.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.navbar__logo img,
.navbar__logo svg {
  height: 36px;
  width: auto;
}

.navbar__logo--dark { display: none; }
.navbar__logo--light { display: block; }

/* Fondo siempre oscuro → mantener logo blanco */
.navbar--scrolled .navbar__logo--dark  { display: none; }
.navbar--scrolled .navbar__logo--light { display: block; }

/* LINKS DE NAVEGACIÓN */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.navbar__link {
  position: relative;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) ease,
              background var(--duration-fast) ease;
  white-space: nowrap;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--blue-signature);
  border-radius: var(--radius-pill);
  transition: width var(--duration-base) var(--ease-out);
}

.navbar__link:hover {
  color: white;
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: calc(100% - var(--space-6));
}

.navbar__link.active {
  color: white;
}

/* Estado sólido — links blancos sobre navy */
.navbar--scrolled .navbar__link {
  color: rgba(255,255,255,0.80);
}
.navbar--scrolled .navbar__link:hover {
  color: white;
  background: rgba(255,255,255,0.08);
}
.navbar--scrolled .navbar__link.active {
  color: white;
}
.navbar--scrolled .navbar__link::after {
  background: var(--orange-cta);
}

/* ACCIONES DERECHAS */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

/* LANGUAGE TOGGLE */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: rgba(255,255,255,0.70);
  cursor: pointer;
  border: none;
  background: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) ease;
}
.lang-toggle:hover {
  color: white;
}
.navbar--scrolled .lang-toggle {
  color: rgba(255,255,255,0.60);
}
.navbar--scrolled .lang-toggle:hover {
  color: white;
}

.lang-toggle__sep {
  opacity: 0.3;
  font-size: 0.7em;
}

.lang-toggle__option.active {
  color: var(--text-on-dark);
}
.navbar--scrolled .lang-toggle__option.active {
  color: white;
}

/* CTA BOTÓN NAV */
.navbar__cta {
  font-size: var(--text-sm) !important;
  padding: 0.625rem 1.375rem !important;
}

/* HAMBURGER — Mobile */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) ease;
}
.navbar__hamburger:hover {
  background: rgba(255,255,255,0.1);
}
.navbar--scrolled .navbar__hamburger:hover {
  background: rgba(255,255,255,0.10);
}

.hamburger__line {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.85);
  border-radius: var(--radius-pill);
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-base) ease,
              width var(--duration-base) ease;
}
.navbar--scrolled .hamburger__line {
  background: rgba(255,255,255,0.85);
}

/* Hamburger → X cuando abierto */
.navbar__hamburger.is-open .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.is-open .hamburger__line:nth-child(2) {
  opacity: 0;
  width: 0;
}
.navbar__hamburger.is-open .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   MOBILE MENU
   ============================================================ */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--bg-white);
  box-shadow: -8px 0 40px rgba(0,0,0,0.15);
  z-index: calc(var(--z-sticky) + 1);
  display: flex;
  flex-direction: column;
  padding: var(--space-8) var(--space-6);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
  overflow-y: auto;
}

.mobile-menu.is-open {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-10);
}

.mobile-menu__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1.25rem;
  transition: background var(--duration-fast) ease;
}
.mobile-menu__close:hover {
  background: var(--border-medium);
}

.mobile-menu__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex-grow: 1;
}

.mobile-menu__link {
  display: block;
  padding: var(--space-4) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) ease, color var(--duration-fast) ease;
  opacity: 0;
  transform: translateX(20px);
}

.mobile-menu__link:hover {
  background: var(--blue-light);
  color: var(--blue-primary);
}

.mobile-menu.is-open .mobile-menu__link {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger animation via CSS delays */
.mobile-menu__link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu__link:nth-child(2) { transition-delay: 0.10s; }
.mobile-menu__link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu__link:nth-child(4) { transition-delay: 0.20s; }
.mobile-menu__link:nth-child(5) { transition-delay: 0.25s; }
.mobile-menu__link:nth-child(6) { transition-delay: 0.30s; }

.mobile-menu__footer {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* OVERLAY para cerrar el menú mobile */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: var(--z-sticky);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-slow) ease;
}
.mobile-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}