/**
 * Navbar canónico — Núcleo Digital
 * Requiere: css/tokens.css antes que este archivo.
 * Clases: .main-header, .navbar-logo, .nav-links-nd, .mobile-nav, .nav-hamburger
 */

/* ── Menú móvil ── */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nd-header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--nd-surface);
  z-index: var(--nd-z-mobile);
  overflow-y: auto;
  padding: var(--nd-space-4) var(--nd-space-5) 40px;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}
.mobile-nav .mobile-details {
  border: 1px solid var(--nd-border);
  border-radius: var(--nd-radius-sm);
  overflow: hidden;
  margin-bottom: 6px;
}
.mobile-nav .mobile-details > summary {
  list-style: none;
  cursor: pointer;
  padding: 14px var(--nd-space-4);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--nd-ink);
}
.mobile-nav .mobile-details > summary::-webkit-details-marker {
  display: none;
}
.mobile-nav .mobile-details .mobile-sub {
  display: flex;
  flex-direction: column;
  padding: 4px var(--nd-space-2) var(--nd-space-4);
}
.mobile-nav .mobile-details--nested {
  border: none;
  margin: 4px 0 4px 10px;
  padding-left: 10px;
  border-left: 2px solid var(--nd-border);
  border-radius: 0;
}
.mobile-nav .mobile-nav__login {
  text-align: center;
  font-weight: 700;
  color: var(--nd-accent);
  border: 1px solid var(--nd-accent);
  background: transparent;
  margin-top: 6px;
}
.mobile-nav .mobile-nav__login:hover {
  background: rgba(0, 71, 255, 0.08);
}
.mobile-nav.open {
  display: flex;
}
.mobile-nav a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--nd-nav-link, #041736);
  text-decoration: none;
  padding: 14px var(--nd-space-4);
  border-radius: var(--nd-radius-md);
  transition: background 0.15s;
  display: flex;
  align-items: center;
  gap: 10px;
}
.mobile-nav a:active {
  background: #f1f5f9;
}
.mobile-nav .mobile-cta {
  background: var(--nd-accent);
  color: #fff !important;
  text-align: center;
  justify-content: center;
  border-radius: var(--nd-radius-md);
  padding: var(--nd-space-4);
  margin-top: var(--nd-space-4);
  font-weight: 700;
  font-size: 1rem;
}
.mobile-nav .mobile-sep {
  height: 1px;
  background: #e2e8f0;
  margin: 6px 0;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: var(--nd-space-2);
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--nd-ink);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Barra principal ── */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  min-height: var(--nd-header-h);
  background: var(--nd-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 4%;
  z-index: var(--nd-z-header);
  box-shadow: var(--nd-shadow-header);
  border-radius: 0 0 var(--nd-header-radius-bottom, 18px) var(--nd-header-radius-bottom, 18px);
  border-bottom: 1px solid var(--nd-border);
  transition: box-shadow 0.28s ease, padding 0.28s ease;
}
.main-header.main-header--scrolled {
  box-shadow: 0 10px 36px rgba(15, 23, 42, 0.1);
  padding-block: 0.3rem;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  position: relative;
}

.navbar-logo__svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: block;
}

/* Fallback si no hay SVG (órbita CSS legacy) */
.navbar-logo__nucleus {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--nd-cyan) 0%, var(--nd-nucleo-ciudadania) 100%);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.4);
  position: relative;
  z-index: 2;
}
.navbar-logo__orbit {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border: 1.5px solid rgba(13, 17, 23, 0.1);
  border-radius: 50%;
  animation: logo-spin-nd 8s linear infinite;
  z-index: 1;
}
.navbar-logo__node {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: var(--nd-cyan);
  border-radius: 50%;
}
@keyframes logo-spin-nd {
  to {
    transform: translateY(-50%) rotate(360deg);
  }
}

.navbar-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.navbar-logo__name {
  font-family: var(--nd-font-display);
  font-size: 1rem;
  font-weight: 900;
  color: var(--nd-ink);
  letter-spacing: 1px;
}
.navbar-logo__sub {
  font-family: var(--nd-font-display);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--nd-teal);
  letter-spacing: 3px;
}

.nav-links-nd {
  display: flex;
  gap: var(--nd-space-5);
  align-items: center;
  height: 100%;
  position: relative;
  background: transparent;
  border-bottom: none;
  padding: 0;
}
.nav-item-nd {
  position: relative;
  height: var(--nd-header-h);
  display: flex;
  align-items: center;
}
.nav-link-nd {
  text-decoration: none;
  color: var(--nd-nav-link, #041736);
  font-weight: 600;
  font-size: 0.9rem;
  transition: 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}
.nav-link-nd:hover {
  color: var(--nd-accent);
}

.dropdown-menu-nd {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--nd-surface);
  min-width: 400px;
  border-radius: 0 0 var(--nd-radius-lg) var(--nd-radius-lg);
  box-shadow: var(--nd-shadow-dropdown);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  border-top: 3px solid var(--nd-accent);
}
.nav-item-nd:hover .dropdown-menu-nd {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-item-nd {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  text-decoration: none;
  border-radius: var(--nd-radius-md);
  transition: 0.2s;
}
.dropdown-item-nd:hover {
  background: #f1f5f9;
}
.dropdown-icon-nd {
  font-size: 1.6rem;
  min-width: 45px;
  height: 45px;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--nd-radius-md);
}
.dropdown-icon-nd.dropdown-icon-nd--abbr {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
  line-height: 1;
  text-transform: uppercase;
}
.dropdown-icon-nd--ciudadania {
  background: linear-gradient(145deg, #2563eb, #1d4ed8);
}
.dropdown-icon-nd--familia {
  background: linear-gradient(145deg, #059669, #047857);
}
.dropdown-icon-nd--educadores {
  background: linear-gradient(145deg, #7c3aed, #5b21b6);
}
.dropdown-icon-nd--profesional {
  background: linear-gradient(145deg, #ea580c, #c2410c);
}
.dropdown-content-nd {
  display: flex;
  flex-direction: column;
}
.dropdown-title-nd {
  color: var(--nd-slate-800);
  font-weight: 700;
  font-size: 0.95rem;
}
.dropdown-desc-nd {
  color: var(--nd-text-muted);
  font-size: 0.8rem;
  line-height: 1.2;
  margin-top: 3px;
}
.status-tag-nd {
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.status-available-nd {
  color: #10b981;
}
.status-soon-nd {
  color: #f59e0b;
}

.header-actions-nd {
  display: flex;
  gap: 10px;
  align-items: center;
}
.btn-nav-wa-nd {
  background: var(--nd-wa);
  color: #fff;
  padding: 9px 16px;
  border-radius: var(--nd-radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s;
}
.btn-nav-wa-nd:hover {
  opacity: 0.85;
}
.btn-nav-ins-nd {
  background: var(--nd-accent);
  color: #fff;
  padding: 10px var(--nd-space-5);
  border-radius: var(--nd-radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  transition: opacity 0.2s;
}
.btn-nav-ins-nd:hover {
  opacity: 0.85;
}
.btn-nav-login-nd {
  padding: 9px 14px;
  border-radius: var(--nd-radius-sm);
  border: 1px solid var(--nd-accent);
  color: var(--nd-accent);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.82rem;
  background: transparent;
  transition: background 0.2s, color 0.2s;
}
.btn-nav-login-nd:hover {
  background: rgba(0, 71, 255, 0.08);
}
.btn-nav-cta-nd {
  background: var(--nd-accent);
  color: #fff !important;
  padding: 10px var(--nd-space-5);
  border-radius: var(--nd-radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  transition: opacity 0.2s;
}
.btn-nav-cta-nd:hover {
  opacity: 0.9;
}

/* Mismo árbol Familia que styles.css (partial / nav-links-nd): subpanel en hover/foco */
.dropdown-familia-block {
  position: relative;
  z-index: 0;
  border-radius: var(--nd-radius-md, 8px);
  overflow: visible;
  margin-bottom: 4px;
}
.dropdown-familia-block:hover,
.dropdown-familia-block:focus-within {
  z-index: 5;
}
.dropdown-familia-block > .dropdown-item-nd {
  border-radius: var(--nd-radius-md, 8px);
  margin-bottom: 0;
  position: relative;
  padding-right: 28px;
}
.dropdown-familia-block > .dropdown-item-nd::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-right: 2px solid #64748b;
  border-bottom: 2px solid #64748b;
  transform: translateY(-65%) rotate(45deg);
  opacity: 0.45;
  transition: transform 0.2s, opacity 0.2s;
  pointer-events: none;
}
.dropdown-familia-block:hover > .dropdown-item-nd::after,
.dropdown-familia-block:focus-within > .dropdown-item-nd::after {
  transform: translateY(-30%) rotate(-135deg);
  opacity: 0.85;
}
.dropdown-familia-tree {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% - 4px);
  z-index: 4;
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 4px;
  padding: 12px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--nd-radius-md, 8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}
.dropdown-familia-block:hover .dropdown-familia-tree,
.dropdown-familia-block:focus-within .dropdown-familia-tree {
  display: flex;
}
.dropdown-familia-pill {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #0f172a;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: var(--nd-radius-sm, 6px);
  background: #f8fafc;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
  position: relative;
  z-index: 1;
}
.dropdown-familia-pill:hover {
  background: #e8eef5;
  border-color: #e2e8f0;
  color: #020617;
}

@media (max-width: 1024px) {
  .nav-links-nd {
    display: none !important;
  }
  .header-actions-nd {
    display: none !important;
  }
  .nav-hamburger {
    display: flex !important;
  }
}

/* WhatsApp flotante (chrome sitio) */
.btn-whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #22c55e;
  color: #fff;
  padding: 14px 22px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.4);
  z-index: var(--nd-z-float);
  animation: float-wa 3s ease-in-out infinite;
}
@keyframes float-wa {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}