/*
 * Mahbob Studio — Animations CSS
 * Supplemental keyframes, transitions, and motion utilities.
 *
 * @package MahbobStudio
 */

/* ============================================================
   Keyframes
   ============================================================ */

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

@keyframes ms-fade-up {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes ms-fade-down {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes ms-fade-left {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes ms-fade-right {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}

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

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

@keyframes ms-glow-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200,255,0,0); }
  50%       { box-shadow: 0 0 30px 8px rgba(200,255,0,0.15); }
}

@keyframes ms-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

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

@keyframes ms-bounce-x {
  0%, 100% { transform: translateX(0); }
  50%       { transform: translateX(6px); }
}

@keyframes ms-bounce-y {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes ms-text-reveal {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

@keyframes ms-border-draw {
  from { stroke-dashoffset: 1000; }
  to   { stroke-dashoffset: 0; }
}

@keyframes ms-underline-grow {
  from { transform: scaleX(0); transform-origin: left; }
  to   { transform: scaleX(1); transform-origin: left; }
}

/* ============================================================
   Animation Utility Classes
   ============================================================ */

/* Delays */
.delay-100 { animation-delay: 100ms !important; transition-delay: 100ms !important; }
.delay-200 { animation-delay: 200ms !important; transition-delay: 200ms !important; }
.delay-300 { animation-delay: 300ms !important; transition-delay: 300ms !important; }
.delay-400 { animation-delay: 400ms !important; transition-delay: 400ms !important; }
.delay-500 { animation-delay: 500ms !important; transition-delay: 500ms !important; }
.delay-700 { animation-delay: 700ms !important; transition-delay: 700ms !important; }
.delay-1000{ animation-delay: 1000ms !important; transition-delay: 1000ms !important; }

/* Duration */
.duration-300  { animation-duration: 300ms !important; }
.duration-500  { animation-duration: 500ms !important; }
.duration-700  { animation-duration: 700ms !important; }
.duration-1000 { animation-duration: 1000ms !important; }
.duration-1500 { animation-duration: 1500ms !important; }

/* Fill modes */
.anim-fill-both    { animation-fill-mode: both !important; }
.anim-fill-forward { animation-fill-mode: forwards !important; }

/* Easing */
.ease-bounce { animation-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1) !important; }
.ease-out    { animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1) !important; }

/* ============================================================
   Named Animation Classes
   ============================================================ */

.anim-fade-in  { animation: ms-fade-in  var(--transition-med) var(--ease-out) both; }
.anim-fade-up  { animation: ms-fade-up  var(--transition-med) var(--ease-out) both; }
.anim-fade-down{ animation: ms-fade-down var(--transition-med) var(--ease-out) both; }
.anim-scale-in { animation: ms-scale-in var(--transition-med) var(--ease-out) both; }
.anim-glow     { animation: ms-glow-pulse 3s ease-in-out infinite; }
.anim-bounce-x { animation: ms-bounce-x 1.5s ease-in-out infinite; }
.anim-bounce-y { animation: ms-bounce-y 2s ease-in-out infinite; }
.anim-spin     { animation: ms-spin 1s linear infinite; }

/* ============================================================
   Hover Utilities
   ============================================================ */

.hover-lift {
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.hover-glow:hover {
  box-shadow: var(--shadow-glow);
}

.hover-accent:hover {
  color: var(--clr-accent) !important;
}

/* Link underline grow animation */
.link-underline {
  position: relative;
  text-decoration: none;
}
.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%; height: 1px;
  background: var(--clr-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.link-underline:hover::after { transform: scaleX(1); }

/* Shimmer (loading skeleton) */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--clr-card) 25%,
    var(--clr-surface) 50%,
    var(--clr-card) 75%
  );
  background-size: 200% auto;
  animation: ms-shimmer 1.5s linear infinite;
}

/* ============================================================
   Page Transitions
   ============================================================ */

/* Fade-in whole page on load */
body {
  animation: ms-fade-in 0.4s ease both;
}

/* ============================================================
   Reduced Motion Support
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .animate-on-scroll,
  .stagger-children > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ============================================================
   Loader (optional — shown while page loads)
   ============================================================ */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--clr-primary);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--clr-accent);
  margin: 0 4px;
  animation: ms-bounce-y 0.7s ease-in-out infinite;
}
.loader-dot:nth-child(2) { animation-delay: 0.15s; }
.loader-dot:nth-child(3) { animation-delay: 0.3s;  }

/* ============================================================
   Scroll Progress Bar
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--clr-accent);
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(200,255,0,0.5);
}

/* ============================================================
   Tooltip
   ============================================================ */
[data-tooltip] {
  position: relative;
  cursor: pointer;
}
[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  color: var(--clr-white);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 100;
}
[data-tooltip]:hover::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}