/* ===================================================================
   R&E GLAMOUR — animations.css
   Keyframes y clases utilitarias de animación
   =================================================================== */

/* ============== KEYFRAMES ============== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes drawLine {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulse-rose {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 180, 184, 0.4); }
  50% { box-shadow: 0 0 0 16px rgba(232, 180, 184, 0); }
}

@keyframes spin360 {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes curtainDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

@keyframes curtainUp {
  from { transform: translateY(0); }
  to { transform: translateY(100%); }
}

/* ============== LOADER INICIAL ============== */
.loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.loader__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 10vw, 6.5rem);
  letter-spacing: 0.08em;
  color: var(--color-cream);
  display: flex;
  gap: 0.05em;
}

.loader__logo span {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px);
  background: linear-gradient(135deg, var(--color-gold-soft), var(--color-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: letterReveal 0.7s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes letterReveal {
  to { opacity: 1; transform: translateY(0); }
}

.loader__line {
  width: clamp(140px, 24vw, 240px);
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  animation: drawLine 0.9s 0.6s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

.loader__tag {
  font-family: var(--font-body);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--color-text-muted);
  opacity: 0;
  animation: fadeIn 0.8s 1.1s ease forwards;
}

.loader.is-leaving {
  animation: loaderLeave 0.9s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

@keyframes loaderLeave {
  to { opacity: 0; transform: translateY(-100%); }
}

/* ============== CORTINA DE TRANSICIÓN ============== */
.page-curtain {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-soft) 100%);
  z-index: 9998;
  transform: translateY(-100%);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-curtain__inner {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2rem, 6vw, 4rem);
  color: var(--color-bg);
  letter-spacing: 0.05em;
  opacity: 0;
}

.page-curtain.is-entering {
  animation: curtainDown 0.7s cubic-bezier(0.76, 0, 0.24, 1) forwards;
}

.page-curtain.is-entering .page-curtain__inner {
  animation: fadeIn 0.4s 0.4s ease forwards;
}

.page-curtain.is-leaving {
  animation: curtainUp 0.7s cubic-bezier(0.76, 0, 0.24, 1) forwards;
}

/* ============== REVEAL SCROLL ============== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--right { transform: translateX(60px); }
.reveal--right.is-visible { transform: translateX(0); }

.reveal--left { transform: translateX(-60px); }
.reveal--left.is-visible { transform: translateX(0); }

.reveal--scale { transform: scale(0.9); }
.reveal--scale.is-visible { transform: scale(1); }

.reveal--clip {
  clip-path: inset(0 0 100% 0);
  transform: none;
  transition: clip-path 1.2s cubic-bezier(0.76, 0, 0.24, 1), opacity 0.6s ease;
}

.reveal--clip.is-visible {
  clip-path: inset(0 0 0 0);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.55s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.65s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.75s; }

/* Stagger en zigzag para equipo */
.reveal-zigzag > *:nth-child(odd) {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-zigzag > *:nth-child(even) {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-zigzag.is-visible > * {
  opacity: 1;
  transform: translateX(0);
}

/* Drop columns (servicios) */
.reveal-drop > * {
  opacity: 0;
  transform: translateY(-40px);
  transition: opacity 0.7s cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal-drop.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-drop.is-visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-drop.is-visible > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-drop.is-visible > *:nth-child(3) { transition-delay: 0.24s; }
.reveal-drop.is-visible > *:nth-child(4) { transition-delay: 0.36s; }
.reveal-drop.is-visible > *:nth-child(5) { transition-delay: 0.48s; }
.reveal-drop.is-visible > *:nth-child(6) { transition-delay: 0.6s; }
.reveal-drop.is-visible > *:nth-child(7) { transition-delay: 0.72s; }

/* ============== SPLIT TEXT (líneas) ============== */
.split-line {
  display: block;
  overflow: hidden;
}

.split-line__inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.9s cubic-bezier(0.76, 0, 0.24, 1);
}

.is-visible .split-line__inner,
.split-line.is-visible .split-line__inner {
  transform: translateY(0);
}

.split-line:nth-child(1) .split-line__inner { transition-delay: 0.05s; }
.split-line:nth-child(2) .split-line__inner { transition-delay: 0.18s; }
.split-line:nth-child(3) .split-line__inner { transition-delay: 0.31s; }
.split-line:nth-child(4) .split-line__inner { transition-delay: 0.44s; }

/* ============== PARALLAX ============== */
.parallax-img {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ============== UTILIDADES VARIAS ============== */
.float { animation: float 6s ease-in-out infinite; }
.spin-hover:hover { animation: spin360 0.6s ease; }

.shimmer-text {
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-bright) 30%, var(--color-cream) 50%, var(--color-gold-bright) 70%, var(--color-gold) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}

/* Reduced motion: bloque eliminado a propósito — animaciones forzadas. */