/* ============================================================
   LUSTRAVVIA — Animation & Motion System
   ============================================================ */


/* ─── KEYFRAMES ────────────────────────────────────────────── */

@keyframes lv-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes lv-fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes lv-fade-down {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes lv-slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes lv-slide-in-left {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes lv-scale-in {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes lv-reveal-width {
  from { width: 0; }
  to   { width: 100%; }
}

/* Journey line animation — subtle horizontal trace */
@keyframes lv-journey-line {
  from { stroke-dashoffset: 1000; opacity: 0; }
  to   { stroke-dashoffset: 0;    opacity: 1; }
}

/* Glove finger reveal */
@keyframes lv-glove-extend {
  0%   { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
  60%  { transform: scaleY(1.05); opacity: 1; }
  100% { transform: scaleY(1); opacity: 1; }
}

/* Shimmer for loading states */
@keyframes lv-shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Pulse for live indicators */
@keyframes lv-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.96); }
}

/* Dot pulse for loading */
@keyframes lv-dot-pulse {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40%            { transform: scale(1);   opacity: 1; }
}

/* Subtle parallax background */
@keyframes lv-parallax-drift {
  0%   { transform: scale(1.08) translateY(0); }
  100% { transform: scale(1.08) translateY(-2%); }
}

/* Nav crystallize on scroll */
@keyframes lv-nav-crystallize {
  from { backdrop-filter: blur(0); background: transparent; }
  to   { backdrop-filter: blur(20px); background: rgba(13, 14, 18, 0.85); }
}

/* Text char-by-char reveal — applied via JS */
@keyframes lv-char-reveal {
  from { opacity: 0; transform: translateY(60%); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Concierge panel slide */
@keyframes lv-panel-slide-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

@keyframes lv-panel-slide-out {
  from { transform: translateX(0); opacity: 1; }
  to   { transform: translateX(100%); opacity: 0; }
}

/* Section line draw */
@keyframes lv-line-draw {
  from { transform: scaleX(0); transform-origin: left; }
  to   { transform: scaleX(1); transform-origin: left; }
}

/* Status dot breathe */
@keyframes lv-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(186, 148, 96, 0.4); }
  50%       { box-shadow: 0 0 0 6px rgba(186, 148, 96, 0); }
}


/* ─── SCROLL-REVEAL BASE STATES ────────────────────────────── */

/* Elements start hidden, JS adds .is-visible */
[data-reveal] {
  opacity: 0;
  transition: opacity var(--dur-slower) var(--ease-luxury),
              transform var(--dur-slower) var(--ease-luxury);
}

[data-reveal="fade-up"] {
  transform: translateY(32px);
}

[data-reveal="fade-in"] {
  transform: none;
}

[data-reveal="fade-left"] {
  transform: translateX(-24px);
}

[data-reveal="fade-right"] {
  transform: translateX(24px);
}

[data-reveal="scale"] {
  transform: scale(0.96);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Staggered children */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease-luxury),
              transform var(--dur-slow) var(--ease-luxury);
}

[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 80ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 160ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 240ms; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 320ms; }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 400ms; }

[data-reveal-stagger].is-visible > * {
  opacity: 1;
  transform: none;
}


/* ─── HOVER INTERACTIONS ───────────────────────────────────── */

/* Image reveal on hover */
.lv-img-hover {
  overflow: hidden;
}

.lv-img-hover img,
.lv-img-hover .lv-bg-img {
  transition: transform var(--dur-slower) var(--ease-luxury);
}

.lv-img-hover:hover img,
.lv-img-hover:hover .lv-bg-img {
  transform: scale(1.04);
}

/* Lift hover */
.lv-hover-lift {
  transition: transform var(--dur-normal) var(--ease-out),
              box-shadow var(--dur-normal) var(--ease-out);
}

.lv-hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Underline reveal */
.lv-hover-underline {
  position: relative;
  text-decoration: none;
}

.lv-hover-underline::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--dur-normal) var(--ease-out);
}

.lv-hover-underline:hover::after {
  width: 100%;
}


/* ─── LOADING STATES ───────────────────────────────────────── */

.lv-shimmer {
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.04) 0%,
    rgba(255,255,255,0.10) 50%,
    rgba(255,255,255,0.04) 100%
  );
  background-size: 200% 100%;
  animation: lv-shimmer 1.8s ease-in-out infinite;
}

.lv-skeleton {
  border-radius: var(--radius-sm);
  animation: lv-shimmer 1.8s ease-in-out infinite;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.04) 0%,
    rgba(255,255,255,0.08) 50%,
    rgba(255,255,255,0.04) 100%
  );
  background-size: 200% 100%;
}

/* Three-dot loader */
.lv-loader {
  display: flex;
  gap: 6px;
  align-items: center;
}

.lv-loader span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lv-champagne);
  animation: lv-dot-pulse 1.4s ease-in-out infinite;
}

.lv-loader span:nth-child(1) { animation-delay: 0ms; }
.lv-loader span:nth-child(2) { animation-delay: 160ms; }
.lv-loader span:nth-child(3) { animation-delay: 320ms; }


/* ─── PAGE TRANSITIONS ─────────────────────────────────────── */

.lv-page-enter {
  animation: lv-fade-up var(--dur-slowest) var(--ease-luxury) both;
}

.lv-section-enter {
  animation: lv-fade-up var(--dur-slower) var(--ease-luxury) both;
}


/* ─── UTILITY ANIMATIONS ───────────────────────────────────── */

.animate-fade-in  { animation: lv-fade-in  var(--dur-slow) var(--ease-out) both; }
.animate-fade-up  { animation: lv-fade-up  var(--dur-slow) var(--ease-luxury) both; }
.animate-scale-in { animation: lv-scale-in var(--dur-slow) var(--ease-spring) both; }
.animate-pulse    { animation: lv-pulse 2s ease-in-out infinite; }