/* ============================================================
   SYSNOT Master Theme — animations.css
   Animations, Effects & Interactive Elements
   ============================================================ */

/* ----------------------------------------------------------
   1. Grain Film Overlay
   ---------------------------------------------------------- */

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9000;
  pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
  opacity: var(--grain-opacity, .45);
  mix-blend-mode: overlay;
}

body.no-grain::after {
  display: none;
}

/* ----------------------------------------------------------
   2. Custom Cursor
   ---------------------------------------------------------- */

#cur {
  position: fixed;
  width: 10px;
  height: 10px;
  background: var(--a3);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
  transition: width .3s var(--e2), height .3s var(--e2), background .3s;
}

#cur-r {
  position: fixed;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(123, 94, 167, .5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
}

body:has(a:hover) #cur,
body:has(button:hover) #cur {
  width: 22px;
  height: 22px;
  background: var(--a2);
}

body.no-cursor #cur,
body.no-cursor #cur-r {
  display: none;
}

body.no-cursor {
  cursor: auto;
}

/* ----------------------------------------------------------
   3. Scroll Progress Bar
   ---------------------------------------------------------- */

#pgbar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  z-index: 8999;
  background: linear-gradient(90deg, var(--a1), var(--a2), var(--a3));
}

body.no-pgbar #pgbar {
  display: none;
}

/* ----------------------------------------------------------
   4. Reveal Animations
   ---------------------------------------------------------- */

.rv {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity .9s var(--e1), transform .9s var(--e1);
}

.rv-l {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity .9s var(--e1), transform .9s var(--e1);
}

.rv-r {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity .9s var(--e1), transform .9s var(--e1);
}

.rv-s {
  opacity: 0;
  transform: scale(.94);
  transition: opacity .9s var(--e1), transform .9s var(--e1);
}

.rv.in,
.rv-l.in,
.rv-r.in,
.rv-s.in {
  opacity: 1;
  transform: none;
}

body.no-reveal .rv,
body.no-reveal .rv-l,
body.no-reveal .rv-r,
body.no-reveal .rv-s {
  opacity: 1;
  transform: none;
}

/* ----------------------------------------------------------
   5. Delay Classes
   ---------------------------------------------------------- */

.d1 { transition-delay: .1s; }
.d2 { transition-delay: .2s; }
.d3 { transition-delay: .3s; }
.d4 { transition-delay: .4s; }
.d5 { transition-delay: .5s; }
.d6 { transition-delay: .6s; }

/* ----------------------------------------------------------
   6. Dark Mode Toggle Button
   ---------------------------------------------------------- */

.dt {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--sur);
  border: 1px solid var(--brd);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 500;
  font-size: 1.2rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .3);
  transition: all .35s var(--e2);
}

.dt:hover {
  transform: scale(1.15) rotate(20deg);
  border-color: var(--a1);
}

body.no-darkmode .dt {
  display: none;
}

/* ----------------------------------------------------------
   7. Keyframe Animations
   ---------------------------------------------------------- */

/* Fade Up */
@keyframes fu {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Word Up */
@keyframes wup {
  from {
    opacity: 0;
    transform: translateY(110%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Blink */
@keyframes blink {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(123, 94, 167, .4);
  }
  50% {
    opacity: .4;
    box-shadow: 0 0 12px 4px rgba(123, 94, 167, .2);
  }
}

/* Ticker */
@keyframes tk {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* Scroll Down Indicator */
@keyframes sdown {
  0% {
    height: 0;
    opacity: 1;
  }
  100% {
    height: 50px;
    opacity: 0;
  }
}

/* Pulse Ring */
@keyframes pulse-r {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

/* Sparkline Up */
@keyframes spup {
  from {
    height: 0;
  }
  to {
    height: 100%;
  }
}

/* ----------------------------------------------------------
   8. Reduced Motion Preference
   ---------------------------------------------------------- */

@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;
  }

  .rv,
  .rv-l,
  .rv-r,
  .rv-s {
    opacity: 1;
    transform: none;
  }

  #cur,
  #cur-r {
    display: none;
  }

  body {
    cursor: auto;
  }

  body::after {
    display: none;
  }
}