/* ============================================================
   URBANIA — animations.css
   Animaciones, transiciones y efectos de entrada
   ============================================================ */

/* ── 1. FADE-UP (IntersectionObserver) ──────────────────── */
/*
   Uso: añadir clase .animate-on-scroll a cualquier elemento.
   Al entrar en viewport, js/main.js le añade clase .visible.
*/

.animate-on-scroll {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 0.72s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.72s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Variantes de delay para stagger en grids */
.animate-on-scroll.delay-1 { transition-delay: 0.10s; }
.animate-on-scroll.delay-2 { transition-delay: 0.20s; }
.animate-on-scroll.delay-3 { transition-delay: 0.30s; }
.animate-on-scroll.delay-4 { transition-delay: 0.40s; }
.animate-on-scroll.delay-5 { transition-delay: 0.50s; }

/* Variante fade-left */
.animate-fade-left {
  opacity: 0;
  transform: translateX(-36px);
  transition:
    opacity 0.72s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.72s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Variante fade (solo opacidad) */
.animate-fade {
  opacity: 0;
  transition: opacity 0.90s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-fade.visible {
  opacity: 1;
}

/* Variante scale-in */
.animate-scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition:
    opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* ── 2. NAVBAR SCROLL ────────────────────────────────────── */
/*
   Aplicado desde js/main.js al añadir clase .scrolled al .navbar.
   Las propiedades de transición están en style.css (navbar section).
   Aquí definimos el keyframe del logo que pulsa sutilmente
   cuando la navbar se hace sólida.
*/

@keyframes logoAppear {
  from { opacity: 0.6; transform: translateY(-4px); }
  to   { opacity: 1;   transform: translateY(0); }
}

.navbar.scrolled .navbar__logo {
  animation: logoAppear 0.35s ease forwards;
}

/* ── 3. HOVER TARJETAS ────────────────────────────────────── */

/* Línea dorada inferior animada — ya definida en style.css
   vía ::before con scaleX. Aquí complementamos con glow sutil. */

.service-card:hover {
  --glow: 0 0 0 1px var(--color-dorado-20), 0 8px 32px rgba(0,0,0,0.40);
  box-shadow: var(--glow);
}

/* Efecto shimmer en botones dorados */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.btn-dorado::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255,255,255,0.22) 50%,
    transparent 60%
  );
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity 0.2s;
}

.btn-dorado:hover::before {
  opacity: 1;
  animation: shimmer 0.70s ease forwards;
}

/* ── 4. HERO — Ken Burns sutil ──────────────────────────── */

@keyframes kenBurns {
  0%, 100% { scale: 1.0; }
  50%       { scale: 1.08; }
}

.hero__bg,
.hero-interior__bg {
  animation: kenBurns 8s ease-in-out infinite;
}

/* En móvil: imagen completamente estática */
@media (max-width: 768px) {
  .hero__bg,
  .hero-interior__bg {
    animation: none !important;
    scale: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ── 5. CONTADORES / CIFRAS (para sección stats futura) ─── */

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.stat-number.visible {
  animation: countUp 0.55s ease forwards;
}

/* ── 6. MENÚ MÓVIL — deslizamiento de links ─────────────── */

@keyframes mobileNavItem {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.navbar__mobile-menu.open .navbar__link {
  animation: mobileNavItem 0.45s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.navbar__mobile-menu.open .navbar__link:nth-child(1) { animation-delay: 0.08s; }
.navbar__mobile-menu.open .navbar__link:nth-child(2) { animation-delay: 0.14s; }
.navbar__mobile-menu.open .navbar__link:nth-child(3) { animation-delay: 0.20s; }
.navbar__mobile-menu.open .navbar__link:nth-child(4) { animation-delay: 0.26s; }
.navbar__mobile-menu.open .navbar__link:nth-child(5) { animation-delay: 0.32s; }
.navbar__mobile-menu.open .navbar__link:nth-child(6) { animation-delay: 0.38s; }

/* ── 7. LÍNEA DECORATIVA PULSANTE (acento hero) ──────────── */

@keyframes linePulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

.gold-line--pulse {
  animation: linePulse 2.8s ease-in-out infinite;
}

/* ── 8. SCROLL INDICATOR (hero) ─────────────────────────── */

.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  opacity: 0.65;
}

.scroll-indicator__line {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, var(--color-dorado), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.scroll-indicator__label {
  font-size: 9px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  writing-mode: vertical-rl;
}

/* ── 9. REDUCE MOTION ────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll,
  .animate-fade-left,
  .animate-fade,
  .animate-scale-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-line-inner--animated,
  .hero-reveal-fade--animated {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-line-mask {
    overflow: visible;
  }
}

/* ── 10. HERO REVEAL CINEMATOGRÁFICO ─────────────────────── */

/* Contenedor-máscara: el overflow:hidden oculta el span interior
   mientras está en translateY(110%), creando el efecto de "salida" */
.hero-line-mask {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em; /* evita clipping de descendentes (g, y, p…) */
}

.hero-line-inner {
  display: block;
  will-change: transform, opacity;
}

/* fill-mode: both → aplica el estado "from" durante el delay
   (elemento invisible mientras espera su turno) */
.hero-line-inner--animated {
  animation: heroLineReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes heroLineReveal {
  from { transform: translateY(110%); opacity: 0; }
  to   { transform: translateY(0);   opacity: 1; }
}

.hero-reveal-fade--animated {
  animation: heroFadeReveal 0.70s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes heroFadeReveal {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}