/* ===================================================
   FitForge AI — Animation System
   =================================================== */

/* ── Keyframe Animations ── */

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slideInUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-15px); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%      { transform: translateY(-10px) rotate(1deg); }
  66%      { transform: translateY(-5px) rotate(-1deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

@keyframes pulseScale {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px var(--clr-primary-glow); }
  50%      { box-shadow: 0 0 25px var(--clr-primary-glow), 0 0 50px rgba(163,255,18,0.1); }
}

@keyframes glowText {
  0%, 100% { text-shadow: 0 0 10px var(--clr-primary-glow); }
  50%      { text-shadow: 0 0 30px var(--clr-primary-glow), 0 0 60px rgba(163,255,18,0.15); }
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

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

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

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes bounceIn {
  0%   { opacity: 0; transform: scale(0.3); }
  50%  { opacity: 1; transform: scale(1.05); }
  70%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

@keyframes slideRight {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes dash {
  to { stroke-dashoffset: 0; }
}

@keyframes ripple {
  0%   { transform: scale(0); opacity: 0.5; }
  100% { transform: scale(4); opacity: 0; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

@keyframes checkmark {
  0%   { stroke-dashoffset: 100; }
  100% { stroke-dashoffset: 0; }
}

@keyframes particleFloat {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Scroll Reveal Classes ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.revealed {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* ── Staggered Delays ── */
.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }
.delay-5 { transition-delay: 500ms; }
.delay-6 { transition-delay: 600ms; }
.delay-7 { transition-delay: 700ms; }
.delay-8 { transition-delay: 800ms; }

/* ── Animation Utility Classes ── */
.anim-fade-in     { animation: fadeIn 0.6s ease forwards; }
.anim-fade-up     { animation: fadeInUp 0.6s ease forwards; }
.anim-fade-down   { animation: fadeInDown 0.6s ease forwards; }
.anim-fade-left   { animation: fadeInLeft 0.6s ease forwards; }
.anim-fade-right  { animation: fadeInRight 0.6s ease forwards; }
.anim-scale-in    { animation: scaleIn 0.5s ease forwards; }
.anim-bounce-in   { animation: bounceIn 0.6s ease forwards; }
.anim-float       { animation: float 4s ease-in-out infinite; }
.anim-float-slow  { animation: floatSlow 6s ease-in-out infinite; }
.anim-pulse       { animation: pulse 2s ease-in-out infinite; }
.anim-pulse-scale { animation: pulseScale 2s ease-in-out infinite; }
.anim-glow        { animation: glow 2s ease-in-out infinite; }
.anim-rotate      { animation: rotate 1s linear infinite; }
.anim-rotate-slow { animation: rotateSlow 20s linear infinite; }
.anim-shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}
.anim-gradient {
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
}

/* ── Hover Micro-Animations ── */
.hover-lift {
  transition: transform var(--tr-base), box-shadow var(--tr-base);
}
.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

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

.hover-scale {
  transition: transform var(--tr-base);
}
.hover-scale:hover {
  transform: scale(1.03);
}

.hover-border-glow {
  transition: border-color var(--tr-base), box-shadow var(--tr-base);
}
.hover-border-glow:hover {
  border-color: var(--clr-border-hover);
  box-shadow: var(--shadow-glow-sm);
}

/* ── Page Transition ── */
.page-enter {
  animation: fadeInUp 0.4s ease forwards;
}

/* ── Particle Decoration ── */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clr-primary);
  opacity: 0.3;
  pointer-events: none;
}

/* ── Gradient Orbs (decorative) ── */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.orb-primary {
  background: rgba(163, 255, 18, 0.08);
}

.orb-secondary {
  background: rgba(163, 255, 18, 0.04);
}