/* =========================================
   CSS/animations.css — themahdi.ir
   Premium Animations & Keyframes
   ========================================= */

/* ---------- BASE ANIMATION CLASSES ---------- */
.animate {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate.visible {
  opacity: 1;
}

/* ---------- FADE UP ---------- */
.fade-up {
  transform: translateY(40px);
}
.fade-up.visible {
  transform: translateY(0);
}

/* ---------- FADE LEFT ---------- */
.fade-left {
  transform: translateX(-40px);
}
.fade-left.visible {
  transform: translateX(0);
}

/* ---------- FADE RIGHT ---------- */
.fade-right {
  transform: translateX(40px);
}
.fade-right.visible {
  transform: translateX(0);
}

/* ---------- SCALE IN ---------- */
.scale-in {
  transform: scale(0.85);
}
.scale-in.visible {
  transform: scale(1);
}

/* ---------- STAGGER DELAYS ---------- */
.delay-1 { transition-delay: 0.05s; }
.delay-2 { transition-delay: 0.10s; }
.delay-3 { transition-delay: 0.15s; }
.delay-4 { transition-delay: 0.20s; }
.delay-5 { transition-delay: 0.25s; }
.delay-6 { transition-delay: 0.30s; }
.delay-7 { transition-delay: 0.35s; }
.delay-8 { transition-delay: 0.40s; }

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

@keyframes floatX {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-10px); }
}

@keyframes floatRotate {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(3deg); }
}

.float-y {
  animation: floatY 4s ease-in-out infinite;
}
.float-x {
  animation: floatX 5s ease-in-out infinite;
}
.float-rotate {
  animation: floatRotate 6s ease-in-out infinite;
}

.float-y-delay-1 { animation-delay: 0.2s; }
.float-y-delay-2 { animation-delay: 0.5s; }
.float-y-delay-3 { animation-delay: 0.8s; }

/* ---------- GRADIENT MOVEMENT ---------- */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gradient-shift {
  background: linear-gradient(135deg, #6366F1, #06B6D4, #8B5CF6, #6366F1);
  background-size: 300% 300%;
  animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientBorder {
  0% { border-color: #6366F1; }
  33% { border-color: #06B6D4; }
  66% { border-color: #8B5CF6; }
  100% { border-color: #6366F1; }
}

.gradient-border {
  animation: gradientBorder 4s ease-in-out infinite;
}

/* ---------- BUTTON HOVER ---------- */
.btn-hover-glow {
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}
.btn-hover-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 60px;
  background: linear-gradient(135deg, #6366F1, #06B6D4);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
  filter: blur(8px);
}
.btn-hover-glow:hover::before {
  opacity: 0.6;
}
.btn-hover-glow:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.35);
}

/* ---------- CARD HOVER ---------- */
.card-hover {
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.card-hover:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
}

.card-glow {
  transition: all 0.4s ease;
  position: relative;
}
.card-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, #6366F1, #06B6D4, transparent, transparent);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: -1;
  filter: blur(12px);
}
.card-glow:hover::after {
  opacity: 0.5;
}
.card-glow:hover {
  transform: translateY(-6px);
}

/* ---------- SMOOTH SCROLL ---------- */
.smooth-scroll {
  scroll-behavior: smooth;
}

/* ---------- LOADING ANIMATION ---------- */
@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 0.2; }
  100% { transform: scale(0.8); opacity: 0.8; }
}

.loading-pulse {
  animation: pulse-ring 1.8s ease-in-out infinite;
}

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

.shimmer {
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 255, 255, 0.05) 50%, 
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2.5s ease-in-out infinite;
}

/* ---------- TEXT REVEAL ---------- */
@keyframes revealText {
  0% { opacity: 0; transform: translateY(20px); filter: blur(4px); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.text-reveal {
  animation: revealText 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes revealTextLeft {
  0% { opacity: 0; transform: translateX(-30px); filter: blur(4px); }
  100% { opacity: 1; transform: translateX(0); filter: blur(0); }
}

.text-reveal-left {
  animation: revealTextLeft 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes revealTextRight {
  0% { opacity: 0; transform: translateX(30px); filter: blur(4px); }
  100% { opacity: 1; transform: translateX(0); filter: blur(0); }
}

.text-reveal-right {
  animation: revealTextRight 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* ---------- COUNTER ANIMATION ---------- */
@keyframes countUp {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

.counter-animate {
  animation: countUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ---------- GLASS ENTRANCE ---------- */
@keyframes glassEntrance {
  0% { opacity: 0; transform: scale(0.9) translateY(30px); backdrop-filter: blur(0); }
  100% { opacity: 1; transform: scale(1) translateY(0); backdrop-filter: blur(12px); }
}

.glass-entrance {
  animation: glassEntrance 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* ---------- SLIDE IN ---------- */
@keyframes slideInUp {
  0% { opacity: 0; transform: translateY(60px); }
  100% { opacity: 1; transform: translateY(0); }
}

.slide-up {
  animation: slideInUp 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes slideInDown {
  0% { opacity: 0; transform: translateY(-60px); }
  100% { opacity: 1; transform: translateY(0); }
}

.slide-down {
  animation: slideInDown 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* ---------- NAVBAR SCROLL TRANSITION ---------- */
.nav-transition {
  transition: all 0.4s ease, backdrop-filter 0.4s ease;
}

/* ---------- HERO CODE TYPING ---------- */
@keyframes typing {
  0% { width: 0; opacity: 0; }
  30% { opacity: 1; }
  90% { width: 100%; }
  100% { width: 100%; opacity: 1; }
}

@keyframes blink {
  0%, 50% { border-color: #6366F1; }
  50.1%, 100% { border-color: transparent; }
}

.typing-effect {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-left: 2px solid #6366F1;
  animation: typing 2.5s steps(30, end) forwards, blink 0.8s step-end infinite;
  max-width: 0;
}

/* ---------- PULSE GLOW ---------- */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.2); }
  50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.5); }
}

.pulse-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

/* ---------- ROTATE SLOW ---------- */
@keyframes rotateSlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.rotate-slow {
  animation: rotateSlow 20s linear infinite;
}

/* ---------- BOUNCE SOFT ---------- */
@keyframes bounceSoft {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
  60% { transform: translateY(-4px); }
}

.bounce-soft {
  animation: bounceSoft 2s ease-in-out infinite;
}

/* ---------- FADE IN STAGGER ---------- */
@keyframes fadeInStagger {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

.fade-stagger > * {
  opacity: 0;
  animation: fadeInStagger 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
.fade-stagger > *:nth-child(1) { animation-delay: 0.05s; }
.fade-stagger > *:nth-child(2) { animation-delay: 0.12s; }
.fade-stagger > *:nth-child(3) { animation-delay: 0.19s; }
.fade-stagger > *:nth-child(4) { animation-delay: 0.26s; }
.fade-stagger > *:nth-child(5) { animation-delay: 0.33s; }
.fade-stagger > *:nth-child(6) { animation-delay: 0.40s; }
.fade-stagger > *:nth-child(7) { animation-delay: 0.47s; }
.fade-stagger > *:nth-child(8) { animation-delay: 0.54s; }

/* ---------- BACKGROUND SHIMMER ---------- */
@keyframes bgShimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.bg-shimmer {
  background: linear-gradient(90deg,
    rgba(99, 102, 241, 0.05) 0%,
    rgba(99, 102, 241, 0.15) 50%,
    rgba(99, 102, 241, 0.05) 100%
  );
  background-size: 200% 100%;
  animation: bgShimmer 4s ease-in-out infinite;
}

/* ---------- GLASSMORPHISM ENTRANCE ---------- */
@keyframes glassReveal {
  0% { opacity: 0; transform: scale(0.95); backdrop-filter: blur(0); }
  100% { opacity: 1; transform: scale(1); backdrop-filter: blur(12px); }
}

.glass-reveal {
  animation: glassReveal 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* ---------- TECHNICAL WORDS GLOW ---------- */
@keyframes techGlow {
  0%, 100% { color: #A1A1AA; text-shadow: 0 0 0px #6366F1; }
  50% { color: #fff; text-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
}

.tech-glow {
  animation: techGlow 4s ease-in-out infinite;
}

/* ---------- LOADER SPIN (already in style.css, but keeping here for reference) ---------- */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ---------- 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;
    animation-delay: 0.01ms !important;
  }
  .float-y,
  .float-x,
  .float-rotate,
  .gradient-shift,
  .pulse-glow,
  .bounce-soft {
    animation: none !important;
  }
  .animate {
    opacity: 1 !important;
    transform: none !important;
  }
  .fade-up,
  .fade-left,
  .fade-right,
  .scale-in {
    transform: none !important;
  }
}