/* ==========================================================================
   OsamaPro.com — Animations Stylesheet
   Subtle, premium motion — "Kinetic Engineering"
   ========================================================================== */

/* ===== KEYFRAMES ===== */

/* Character reveal for hero name */
@keyframes char-reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Pulse dot — used for status indicators */
@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.85);
  }
}

/* Ripple effect on buttons */
@keyframes ripple-anim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Marching ants for progress bars */
@keyframes marching-ants {
  to {
    background-position: 16px 0;
  }
}

/* Float animation for decorative elements */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Network node pulse */
@keyframes network-pulse {
  0%, 100% {
    opacity: 0.3;
    r: 3;
  }
  50% {
    opacity: 1;
    r: 5;
  }
}

/* Network line draw */
@keyframes line-draw {
  from {
    stroke-dashoffset: 200;
  }
  to {
    stroke-dashoffset: 0;
  }
}

/* Glow breathing */
@keyframes glow-breathe {
  0%, 100% {
    box-shadow: 0 0 20px var(--accent-glow);
  }
  50% {
    box-shadow: 0 0 40px var(--accent-glow-strong);
  }
}

/* Gradient shift */
@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

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

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

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

/* Slide up */
@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in */
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Scale in */
@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scanning line — for system status */
@keyframes scan-line {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(100%);
    opacity: 0;
  }
}

/* Data flow — for network connections */
@keyframes data-flow {
  0% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: -20;
  }
}

/* ===== ANIMATION UTILITY CLASSES ===== */

.anim-fade-in {
  animation: fade-in 0.6s ease forwards;
}

.anim-slide-up {
  animation: slide-up 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.anim-slide-left {
  animation: slide-in-left 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.anim-slide-right {
  animation: slide-in-right 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.anim-scale-in {
  animation: scale-in 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Stagger delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* Initially hidden for scroll animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== HOVER GLOW EFFECT ===== */
.glow-on-hover {
  transition: box-shadow var(--transition);
}

.glow-on-hover:hover {
  animation: glow-breathe 2s ease-in-out infinite;
}

/* ===== GLASS REFLECTION ===== */
.glass-reflection {
  position: relative;
  overflow: hidden;
}

.glass-reflection::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.03),
    transparent
  );
  transform: skewX(-20deg);
  transition: left 0.8s ease;
  pointer-events: none;
}

.glass-reflection:hover::after {
  left: 150%;
}

/* ===== REDUCED MOTION ===== */
@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;
  }

  .scroll-reveal,
  .scroll-reveal-left,
  .scroll-reveal-right,
  .scroll-reveal-scale {
    opacity: 1 !important;
    transform: none !important;
  }
}