/* ============================================
   ANIMATIONS.CSS — Keyframes, Reveal, Cursor, Transitions
   Hotel Inti Wasi — Cajamarca, Perú
   ============================================ */

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

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

@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeRight {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes letterReveal {
  from { opacity: 0; transform: translateY(100%); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(10px); }
}

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

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

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

/* ============================================
   CLASES REVEAL (IntersectionObserver)
   ============================================ */

/* Base reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Reveal desde la izquierda */
.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: none;
}

/* Reveal desde la derecha */
.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: none;
}

/* Reveal desde abajo */
.reveal-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal-up.visible {
  opacity: 1;
  transform: none;
}

/* Reveal con escala */
.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

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

/* ============================================
   STAGGER — Delays escalonados
   ============================================ */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ============================================
   CURSOR CUSTOM
   ============================================ */
.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--color-dorado);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: transform 0.08s ease, width 0.2s ease, height 0.2s ease, opacity 0.2s ease;
  will-change: left, top;
}

.cursor-ring {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-dorado);
  border-radius: 50%;
  pointer-events: none;
  z-index: calc(var(--z-cursor) - 1);
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, width 0.35s ease, height 0.35s ease, opacity 0.3s ease;
  opacity: 0.6;
  will-change: left, top;
}

/* Estado hover sobre links/botones */
.cursor-dot.cursor--hover {
  width: 12px;
  height: 12px;
  opacity: 0.9;
}

.cursor-ring.cursor--hover {
  width: 54px;
  height: 54px;
  opacity: 0.3;
}

/* Ocultar cursor custom en touch/móvil */
@media (hover: none) or (pointer: coarse) {
  .cursor-dot,
  .cursor-ring {
    display: none;
  }
}

/* ============================================
   PAGE TRANSITION OVERLAY
   ============================================ */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-oscuro);
  z-index: 9990;
  transform: translateY(100%);
  pointer-events: none;
}

.page-transition-overlay.entering {
  transform: translateY(0);
  transition: transform 0.4s cubic-bezier(0.77, 0, 0.18, 1);
}

.page-transition-overlay.leaving {
  transform: translateY(-100%);
  transition: transform 0.4s 0.1s cubic-bezier(0.77, 0, 0.18, 1);
}

/* ============================================
   PARALLAX
   ============================================ */
.parallax-img {
  transform-style: preserve-3d;
  will-change: transform;
}

.parallax-wrap {
  overflow: hidden;
  position: relative;
}

/* ============================================
   UTILIDADES DE ANIMACIÓN
   ============================================ */

/* Aplicar fadeUp directo (sin IntersectionObserver) */
.animate-fadeUp {
  animation: fadeUp 0.9s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.animate-fadeIn {
  animation: fadeIn 0.7s ease forwards;
}

.animate-scaleIn {
  animation: scaleIn 0.6s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

/* Shimmer en texto dorado */
.text-shimmer {
  background: linear-gradient(
    90deg,
    var(--color-dorado-dark) 0%,
    var(--color-dorado-light) 40%,
    var(--color-dorado) 50%,
    var(--color-dorado-light) 60%,
    var(--color-dorado-dark) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3.5s linear infinite;
}

/* Indicador scroll (hero) */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: scrollBounce 2.2s ease-in-out infinite;
}

.scroll-indicator__line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-dorado), transparent);
  transform-origin: top;
  animation: drawLine 1.2s ease forwards;
}

.scroll-indicator__label {
  font-family: var(--font-ui);
  font-weight: 200;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-dorado);
  opacity: 0.7;
}

/* Línea decorativa animada */
.animate-line {
  display: block;
  height: 1px;
  background: var(--color-dorado);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.animate-line.visible {
  transform: scaleX(1);
}

/* Spinner dorado (loading states) */
.spinner {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-top-color: var(--color-dorado);
  border-radius: 50%;
  animation: rotateSlow 0.8s linear infinite;
}

/* Reducción de movimiento (accesibilidad) */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-up,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .stagger-1, .stagger-2, .stagger-3,
  .stagger-4, .stagger-5, .stagger-6 {
    transition-delay: 0s;
  }

  .cursor-dot,
  .cursor-ring {
    display: none;
  }

  .page-transition-overlay {
    display: none;
  }

  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}