/* ═══════════════════════════════════════════════════════════
   NAVBAR.CSS
   ═══════════════════════════════════════════════════════════ */

/* ── Barra de anuncio superior ──────────────────────────── */
.topbar {
  background: var(--rojo-oscuro);
  color: rgba(255,255,255,0.9);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  overflow: hidden;
  position: relative;
  z-index: 999;
}

.topbar-scroll {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  animation: topbarScroll 28s linear infinite;
  white-space: nowrap;
}

@keyframes topbarScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0.88;
}

.topbar-sep { opacity: 0.35; }

/* ── Navbar principal ───────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 998;
  transition: var(--trans);
  padding: 1.1rem 0;
}

#navbar.is-scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  padding: 0.7rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}

/* Dos marcas en la misma caja, crossfade en loop (10s cada una + 1s fundido) */
.nav-logo-stack {
  display: grid;
  grid-template: 1fr / 1fr;
  align-items: center;
  justify-items: start;
}

.nav-logo-layer {
  grid-area: 1 / 1;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  pointer-events: none;
  opacity: 0;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-duration: 22s;
}

.nav-logo-layer--banco {
  animation-name: navLogoCrossfadeBanco;
}

.nav-logo-layer--caritas {
  animation-name: navLogoCrossfadeCaritas;
}

/* Marca Cáritas: logo sobre fondo blanco (no sobre el rojo del header) */
.nav-logo-caritas-mark {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
  box-sizing: border-box;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.nav-logo-caritas-img {
  width: 100%;
  height: 100%;
  max-width: 42px;
  max-height: 42px;
  object-fit: contain;
}

.nav-logo-text--caritas-single {
  line-height: 1.2;
  max-width: 12.5rem;
}

.nav-logo-caritas-title {
  font-family: var(--font-serif);
  font-size: clamp(0.72rem, 1.5vw, 0.88rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.3;
}

#navbar:not(.is-scrolled) .nav-logo-caritas-title {
  color: white;
}

#navbar.is-scrolled .nav-logo-caritas-title {
  color: var(--rojo);
}

@keyframes navLogoCrossfadeBanco {
  0%,
  45.45% {
    opacity: 1;
  }
  50%,
  95.45% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes navLogoCrossfadeCaritas {
  0%,
  45.45% {
    opacity: 0;
  }
  50%,
  95.45% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-logo-layer {
    animation: none !important;
  }

  .nav-logo-layer--banco {
    opacity: 1;
  }

  .nav-logo-layer--caritas {
    opacity: 0;
    visibility: hidden;
  }
}

.nav-logo-mark {
  position: relative;
  width: 50px;
  height: 50px;
  flex-shrink: 0;
}

.nav-logo-mark-bg {
  width: 50px;
  height: 50px;
  background: var(--rojo);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--trans);
  box-shadow: var(--sombra-rojo);
}

.nav-logo-img {
  width: 50px;
  height: 50px;
  display: block;
  object-fit: contain;
  transform: scale(1.4);
  transform-origin: center;
}

.nav-logo:hover .nav-logo-mark-bg {
  transform: rotate(-8deg) scale(1.05);
  background: var(--rojo-oscuro);
}

.nav-logo-mark-bg svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: white;
  stroke-width: 2;
  stroke-linecap: round;
}

.nav-logo-text {
  line-height: 1.25;
}

.nav-logo-name {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--rojo);
  transition: color var(--trans);
}

.nav-logo-sub {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris-500);
  transition: color var(--trans);
}

/* Nav transparente — texto blanco */
#navbar:not(.is-scrolled) .nav-logo-name { color: white; }
#navbar:not(.is-scrolled) .nav-logo-sub { color: rgba(255,255,255,0.65); }

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-link {
  position: relative;
  font-weight: 600;
  font-size: 0.83rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radio-sm);
  color: rgba(255,255,255,0.88);
  transition: var(--trans);
}

#navbar.is-scrolled .nav-link { color: var(--gris-700); }

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 70%;
  height: 2px;
  background: var(--rojo);
  border-radius: 2px;
  transition: transform 0.28s var(--ease);
}

.nav-link:hover { color: white; background: rgba(255,255,255,0.12); }
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); }

#navbar.is-scrolled .nav-link:hover { color: var(--rojo); background: var(--rojo-suave); }

.nav-link.is-active { color: var(--oro-brillante) !important; }
#navbar.is-scrolled .nav-link.is-active { color: var(--rojo) !important; }
.nav-link.is-active::after { transform: translateX(-50%) scaleX(1); }

/* CTA */
.nav-cta {
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6rem 1.3rem;
  border-radius: 100px;
  background: var(--oro);
  color: white;
  box-shadow: var(--sombra-oro);
  transition: var(--trans);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: #c98b18;
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 28px rgba(232,160,32,0.5);
}

/* Hamburger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
  background: transparent;
  border: none;
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--trans);
}

#navbar.is-scrolled .nav-burger span { background: var(--negro); }

.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20,20,20,0.97);
  backdrop-filter: blur(18px);
  z-index: 997;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.nav-mobile.is-open { display: flex; }

.nav-mobile .nav-link {
  font-size: 1.8rem;
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  color: white;
  padding: 0.75rem 2rem;
}

.nav-mobile .nav-link:hover { color: var(--oro); background: transparent; }

.nav-mobile .nav-cta {
  margin-top: 1.5rem;
  font-size: 1rem;
  padding: 0.9rem 2.5rem;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-cta.desktop-only { display: none; }
  .nav-burger { display: flex; }
}