/* =========================
   HEADER
========================= */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;

  height: var(--header-height);

  background: rgba(var(--primary-rgb), 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  border-bottom: 1px solid rgba(255, 255, 255, 0.06);

  transition:
    background var(--duration-base) var(--ease-standard),
    border-color var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard),
    transform var(--duration-base) var(--ease-smooth);
}

/* Enhanced glassmorphism on scroll */
.header.scrolled {
  background: rgba(var(--primary-rgb), 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}


/* =========================
   NAVBAR INNER
========================= */

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}


/* =========================
   LOGO
========================= */

.logo {
  display: inline-block;
  position: relative;
  z-index: 2001;
  /* Mantiene el logo por encima del buscador desplegado */
}

.logo img {
  height: 38px;
  transition:
    transform var(--duration-fast) var(--ease-smooth),
    filter var(--duration-fast) var(--ease-smooth);
  will-change: transform;
}

.logo:hover img {
  transform: scale(1.08) rotate(-2deg);
  filter: brightness(1.1);
}

/* Logo pulse animation on load */
@keyframes logoPulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

.logo img {
  animation: logoPulse 2s var(--ease-smooth) 0.5s;
}


/* =========================
   NAV
========================= */

.nav {
  display: flex;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--gap-lg);
}

.nav-link,
.nav-list a {
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-wider);

  color: var(--text-inverse);

  display: flex;
  align-items: center;
  gap: 4px;

  background: none;
  border: none;
  cursor: pointer;

  position: relative;

  transition: color var(--duration-fast) var(--ease-standard);
}

.nav-list a:hover,
.nav-link:hover {
  color: var(--action-primary);
}


/* Subtle underline animation */
.nav-list a::after,
.nav-link::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;

  width: 0;
  height: 2px;

  background: linear-gradient(90deg, var(--action-primary), var(--accent-hover));
  transition:
    width var(--duration-base) var(--ease-smooth),
    opacity var(--duration-fast) var(--ease-smooth);
  opacity: 0;
}

.nav-list a:hover::after,
.nav-link:hover::after {
  width: 100%;
  opacity: 1;
  animation: shimmerLine 1.5s ease-in-out;
}

@keyframes shimmerLine {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

.nav-list a::after,
.nav-link::after {
  background-size: 200% auto;
}


/* =========================
   DROPDOWN
========================= */

.nav-item {
  position: relative;
}

.dropdown {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  transform: translateY(12px) scale(0.95);

  min-width: 280px;
  padding: .5rem;

  background: rgba(var(--primary-rgb), 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);

  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25);

  display: flex;
  flex-direction: column;
  gap: 0;

  opacity: 0;
  visibility: hidden;

  transition:
    opacity var(--duration-base) var(--ease-smooth),
    transform var(--duration-base) var(--ease-smooth),
    visibility var(--duration-base),
    box-shadow var(--duration-base) var(--ease-smooth);
}

/* ── Dropdown item: structured card row ── */

.dropdown-item {
  display: flex;
  flex-direction: column;
  gap: .18rem;

  padding: .85rem 1rem;
  border-radius: 10px;

  position: relative;
  color: inherit;

  transition:
    background var(--duration-fast) var(--ease-standard);
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: inherit;
}

.dropdown li+li .dropdown-item {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 0;
}

.dropdown li:first-child .dropdown-item {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.dropdown li:last-child .dropdown-item {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.dropdown-item__title {
  font-size: .93rem;
  font-weight: var(--weight-regular);
  color: var(--text-inverse);
  letter-spacing: -.01em;
  line-height: 1.2;
  width: 100%;
  text-align: left;
}

.dropdown-item__sub {
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.3;
  width: 100%;
  text-align: left;
}

/* Remove old generic .dropdown a overrides from conflicting */
.dropdown a.active::before {
  display: none;
}


/* Desktop interaction */
.nav-item--has-dropdown:hover .dropdown,
.nav-item--has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* Stagger dropdown items */
.dropdown li {
  opacity: 0;
  animation: dropdownItemFadeIn var(--duration-base) var(--ease-smooth) forwards;
}

.nav-item--has-dropdown:hover .dropdown li:nth-child(1),
.nav-item--has-dropdown:focus-within .dropdown li:nth-child(1) {
  animation-delay: 50ms;
}

.nav-item--has-dropdown:hover .dropdown li:nth-child(2),
.nav-item--has-dropdown:focus-within .dropdown li:nth-child(2) {
  animation-delay: 110ms;
}

.nav-item--has-dropdown:hover .dropdown li:nth-child(3),
.nav-item--has-dropdown:focus-within .dropdown li:nth-child(3) {
  animation-delay: 170ms;
}

@keyframes dropdownItemFadeIn {
  to {
    opacity: 1;
  }
}


/* =========================
   ACTIONS
========================= */

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--gap-md);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 24px;
  color: var(--text-inverse);
  cursor: pointer;

  transition:
    color var(--duration-fast) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
}

.icon-btn:hover {
  color: var(--action-primary);
  transform: translateY(-1px);
}


/* =========================
   HAMBURGER
========================= */

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-inverse);
}





/* =========================
   RESPONSIVE — TABLET & MOBILE
========================= */

@media (max-width: 64rem) {

  /* =========================
     NAV CONVERTIDO EN PANEL
  ========================= */

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;

    background: rgba(var(--primary-rgb), 0.98);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    border-bottom: 1px solid rgba(255, 255, 255, 0.08);

    display: none;
    z-index: 999;
  }

  .nav.active {
    display: block;
  }

  /* =========================
     LISTA VERTICAL
  ========================= */

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-5) var(--space-4);
    gap: var(--space-2);
  }

  /* =========================
     LINKS PRINCIPALES
  ========================= */

  .nav-list a,
  .nav-link {
    width: 100%;
    padding: var(--space-2) 0;

    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);

    display: flex;
    justify-content: space-between;
    align-items: center;
  }


  /* Quitar underline animado en mobile */

  .nav-list a::after,
  .nav-link::after {
    display: none;
  }

  /* Hover mobile */

  .nav-list a:hover,
  .nav-link:hover {
    color: var(--action-primary);
  }

  /* =========================
     ESTADO ACTIVO DEL DROPDOWN
  ========================= */

  .nav-item--open>.nav-link {
    color: var(--action-primary);
  }

  .dropdown-icon {
    transition: transform var(--duration-fast) var(--ease-standard);
  }

  .nav-item--open>.nav-link .dropdown-icon {
    transform: rotate(180deg);
  }

  /* =========================
     DROPDOWN MOBILE
  ========================= */

  .dropdown {
    position: static;

    background: transparent;
    backdrop-filter: none;
    border: none;
    box-shadow: none;

    padding-left: var(--space-4);
    margin-top: var(--space-2);

    display: none;
    flex-direction: column;
    gap: var(--space-2);

    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-item--open .dropdown {
    display: flex;
  }

  /* =========================
     SUBLINKS
  ========================= */

  .dropdown a {
    font-size: var(--text-sm);
    font-weight: var(--weight-regular);

    color: rgba(255, 255, 255, 0.85);

    padding: var(--space-2) 0;
    border-radius: 0;

    transition: color var(--duration-fast) var(--ease-standard);
  }

  .dropdown a:hover {
    background: none;
    color: var(--action-primary);
  }

  .dropdown a.active {
    font-weight: var(--weight-semibold);
    color: var(--action-primary);
  }

  .dropdown a.active::before {
    display: none;
  }

  /* =========================
     HAMBURGER VISIBLE
  ========================= */

  .hamburger {
    display: block;
  }

}

/* =========================
   SEARCH BAR
========================= */

.search-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  /* Usar el mismo fondo que el navbar pero completamente opaco */
  background: rgba(var(--primary-rgb), 1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  /* Animación suave estilo fade + translateX */
  transform: translateX(15px);
  transition:
    opacity var(--duration-base) var(--ease-smooth),
    visibility var(--duration-base),
    transform var(--duration-base) var(--ease-smooth);
}

.search-bar.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
}

.search-bar__inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  /* Alinea hacia la derecha para esquivar logo */
  width: 100%;
  height: 100%;
}

.search-form {
  display: flex;
  align-items: center;
  flex: 1;
  max-width: calc(100% - 200px);
  /* Deja espacio intacto para el logo a la izq (aumentado para seguridad) */
  background: rgba(255, 255, 255, 0.08);
  /* Gris sutil */
  border-bottom: 2px solid var(--action-primary);
  /* Subrayado base marca */
  height: 48px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

@media (max-width: 64rem) {
  .search-form {
    margin-left: 0;
    max-width: none;
    flex: 1;
    margin-right: 0;
    gap: var(--space-2);
  }
}

/* =========================
   LOGO HIDE ON MOBILE SEARCH
========================= */

@media (max-width: 64rem) {
  .header:has(.search-bar.active) .logo {
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-base) var(--ease-smooth);
  }
}

.search-bar__input {
  flex: 1;
  background: transparent;
  border: none;
  font-family: var(--font-base);
  font-size: var(--text-base);
  color: var(--text-inverse);
  outline: none;
  padding-left: var(--space-4);
}

.search-bar__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.search-bar__icon,
.search-bar__close {
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.search-bar__icon:hover,
.search-bar__close:hover {
  color: var(--action-primary);
}

.search-bar__close:hover {
  transform: rotate(90deg) scale(1.1);
}