/* =============================================================
   PROJECT PHOENIX — LOVELY JAISWAL WEBSITE
   FILE: assets/css/animations.css
   PURPOSE: Reusable CSS keyframes, entrance animations,
            scroll-triggered states, hover effects, loaders.
   All animations respect prefers-reduced-motion.
   ============================================================= */


/* -----------------------------------------------------------
   KEYFRAMES — FOUNDATIONAL
   ----------------------------------------------------------- */

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

@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* Fade + Slide Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade + Slide Down */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade + Slide Left */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Fade + Slide Right */
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* Scale Up (subtle zoom — for cards on hover) */
@keyframes scaleUp {
  from { transform: scale(1);    }
  to   { transform: scale(1.03); }
}

/* Slide In from Bottom (modal / drawer) */
@keyframes slideInUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0);    }
}

/* Slide Out to Bottom */
@keyframes slideOutDown {
  from { transform: translateY(0);    }
  to   { transform: translateY(100%); }
}

/* Spin — loading indicator */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Pulse — CTA pulse ring */
@keyframes pulse {
  0%   { transform: scale(1);    opacity: 1;    }
  50%  { transform: scale(1.08); opacity: 0.75; }
  100% { transform: scale(1);    opacity: 1;    }
}

/* Shimmer — skeleton loading effect */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

/* Gold shimmer — for text/borders */
@keyframes goldShimmer {
  0%   { background-position: 0% 50%;   }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%;   }
}

/* Float — subtle levitate effect */
@keyframes float {
  0%, 100% { transform: translateY(0px);  }
  50%       { transform: translateY(-8px); }
}

/* Gentle sway */
@keyframes sway {
  0%, 100% { transform: rotate(-1.5deg); }
  50%       { transform: rotate(1.5deg);  }
}

/* Marquee — horizontal scroll ticker */
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Line draw — SVG line reveal */
@keyframes drawLine {
  from { stroke-dashoffset: 1000; }
  to   { stroke-dashoffset: 0;    }
}

/* Count Up — progress bars */
@keyframes expandWidth {
  from { width: 0%; }
  to   { width: var(--target-width, 100%); }
}

/* Blink — cursor */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}


/* -----------------------------------------------------------
   SCROLL-TRIGGERED REVEAL CLASSES
   Added via JS IntersectionObserver on [data-reveal] elements.
   Initial hidden state + visible revealed state.
   ----------------------------------------------------------- */

/* Base: elements start invisible and slightly offset */
[data-reveal] {
  opacity: 0;
  transition:
    opacity  var(--duration-slower) var(--ease-decelerate),
    transform var(--duration-slower) var(--ease-decelerate);
}

/* Revealed — when .is-visible class is added by JS */
[data-reveal].is-visible {
  opacity: 1;
  transform: none !important;  /* Override any direction transform */
}

/* Direction variants */
[data-reveal="up"]    { transform: translateY(32px); }
[data-reveal="down"]  { transform: translateY(-32px); }
[data-reveal="left"]  { transform: translateX(40px); }
[data-reveal="right"] { transform: translateX(-40px); }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal="fade"]  { transform: none; }

/* Stagger delay helpers — apply to children */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="600"] { transition-delay: 600ms; }
[data-delay="700"] { transition-delay: 700ms; }
[data-delay="800"] { transition-delay: 800ms; }


/* -----------------------------------------------------------
   UTILITY ANIMATION CLASSES — Direct application
   ----------------------------------------------------------- */

.animate-fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-decelerate) both;
}

.animate-fade-in-up {
  animation: fadeInUp var(--duration-slow) var(--ease-decelerate) both;
}

.animate-fade-in-down {
  animation: fadeInDown var(--duration-slow) var(--ease-decelerate) both;
}

.animate-fade-in-left {
  animation: fadeInLeft var(--duration-slow) var(--ease-decelerate) both;
}

.animate-fade-in-right {
  animation: fadeInRight var(--duration-slow) var(--ease-decelerate) both;
}

.animate-scale-in {
  animation: scaleIn var(--duration-slow) var(--ease-decelerate) both;
}

.animate-float {
  animation: float 4s var(--ease-standard) infinite;
}

.animate-pulse {
  animation: pulse 2.5s var(--ease-standard) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}


/* -----------------------------------------------------------
   HOVER EFFECTS — UTILITY CLASSES
   ----------------------------------------------------------- */

/* Image zoom on card hover — apply to img wrapper */
.hover-zoom {
  overflow: hidden;
}

.hover-zoom img {
  transition: transform var(--duration-slower) var(--ease-standard);
}

.hover-zoom:hover img {
  transform: scale(1.04);   /* Subtle: 4% not 6% — more refined */
}

.hover-lift {
  transition:
    transform  var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-slow) var(--ease-standard);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow:
    0 12px 40px rgba(26, 23, 20, 0.10),
    0 2px  0   rgba(176, 141, 87, 0.08);  /* warm layered shadow */
}

/* Gold border appear on hover */
.hover-gold-border {
  border: 1px solid rgba(176, 141, 87, 0.12);
  transition:
    border-color var(--duration-base) var(--ease-standard),
    box-shadow   var(--duration-slow) var(--ease-standard);
}

.hover-gold-border:hover {
  border-color: rgba(176, 141, 87, 0.40);
  box-shadow: 0 4px 20px rgba(176, 141, 87, 0.08);
}

.hover-underline {
  position: relative;
  text-decoration: none;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  transition: width var(--duration-slow) var(--ease-decelerate);
}

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


/* -----------------------------------------------------------
   MARQUEE / TICKER
   ----------------------------------------------------------- */
.marquee-container {
  overflow: hidden;
  width: 100%;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-item {
  flex-shrink: 0;
  padding-inline: var(--space-8);
}


/* -----------------------------------------------------------
   SHIMMER — SKELETON LOADER
   ----------------------------------------------------------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-neutral-200) 25%,
    var(--color-neutral-100) 50%,
    var(--color-neutral-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.8s infinite linear;
  border-radius: 0;           /* Sharp — consistent with design language */
}

.skeleton--text {
  height: 1em;
  border-radius: 0;
}

.skeleton--title {
  height: 2em;
  width: 55%;
  border-radius: 0;
}

.skeleton--image {
  width: 100%;
  aspect-ratio: 4 / 3;
}

.skeleton--circle {
  border-radius: var(--border-radius-full);
}


/* -----------------------------------------------------------
   PAGE TRANSITION — LOADER OVERLAY
   ----------------------------------------------------------- */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-modal) + 10);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
}

.page-loader.is-loading {
  opacity: 1;
  pointer-events: all;
}

.page-loader__logo {
  animation: pulse 1.8s var(--ease-standard) infinite;
}


/* -----------------------------------------------------------
   RESPECT REDUCED MOTION
   ----------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .animate-fade-in,
  .animate-fade-in-up,
  .animate-fade-in-down,
  .animate-fade-in-left,
  .animate-fade-in-right,
  .animate-scale-in,
  .animate-float,
  .animate-pulse,
  .animate-spin {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .hover-zoom img,
  .hover-lift,
  .marquee-track {
    transition: none;
    animation: none;
  }
}