/* ============================================================
   animations.css — Kazan Terminal × Glass Morphism
   Keyframes, scroll fade, typing cursor, orbit, particles
   ============================================================ */

/* ----------------------------------------------------------
   1. Base Keyframes
   ---------------------------------------------------------- */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* ----------------------------------------------------------
   2. Scroll Fade-In Utility Classes
   ---------------------------------------------------------- */

.fade-in-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up.delay-1 { transition-delay: 0.1s; }
.fade-in-up.delay-2 { transition-delay: 0.2s; }
.fade-in-up.delay-3 { transition-delay: 0.3s; }
.fade-in-up.delay-4 { transition-delay: 0.4s; }
.fade-in-up.delay-5 { transition-delay: 0.5s; }

/* ----------------------------------------------------------
   3. Typing Cursor (blinking caret)
   ---------------------------------------------------------- */

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

.typing-cursor::after {
  content: '|';
  display: inline-block;
  color: #00E5FF;
  font-weight: 300;
  margin-left: 2px;
  animation: caretBlink 1s step-end infinite;
}

/* ----------------------------------------------------------
   4. Orbit Ring Animation
   ---------------------------------------------------------- */

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

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

.orbit-ring {
  animation: orbitSpin 8s linear infinite;
}

.orbit-ring-reverse {
  animation: orbitSpinReverse 12s linear infinite;
}

/* ----------------------------------------------------------
   5. Gradient Pulse (hero title shimmer)
   ---------------------------------------------------------- */

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

.gradient-animate {
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
}

/* ----------------------------------------------------------
   6. Glow Pulse (accent elements)
   ---------------------------------------------------------- */

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 8px rgba(0, 229, 255, 0.3),
                0 0 20px rgba(0, 229, 255, 0.1);
  }
  50% {
    box-shadow: 0 0 16px rgba(0, 229, 255, 0.6),
                0 0 40px rgba(0, 229, 255, 0.25);
  }
}

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

/* Purple variant */
@keyframes glowPulsePurple {
  0%, 100% {
    box-shadow: 0 0 8px rgba(124, 77, 255, 0.3),
                0 0 20px rgba(124, 77, 255, 0.1);
  }
  50% {
    box-shadow: 0 0 16px rgba(124, 77, 255, 0.6),
                0 0 40px rgba(124, 77, 255, 0.25);
  }
}

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

/* ----------------------------------------------------------
   7. Floating (subtle up-down bob)
   ---------------------------------------------------------- */

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

.float {
  animation: float 4s ease-in-out infinite;
}

/* ----------------------------------------------------------
   8. Slide-In for Notification / Toast
   ---------------------------------------------------------- */

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* ----------------------------------------------------------
   9. Scale Pop (button click / card hover)
   ---------------------------------------------------------- */

@keyframes scalePop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.06); }
  100% { transform: scale(1); }
}

.scale-pop {
  animation: scalePop 0.3s ease;
}

/* ----------------------------------------------------------
   10. Hero Section Entrance
   ---------------------------------------------------------- */

.hero-badge {
  animation: fadeInDown 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-title {
  animation: fadeInUp 0.7s 0.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-subtitle {
  animation: fadeInUp 0.7s 0.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-cta {
  animation: fadeInUp 0.7s 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-stats {
  animation: fadeInUp 0.7s 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ----------------------------------------------------------
   11. Terminal Scanline Effect
   ---------------------------------------------------------- */

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

.terminal-scanlines {
  position: relative;
  overflow: hidden;
}

.terminal-scanlines::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 229, 255, 0.015) 2px,
    rgba(0, 229, 255, 0.015) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* ----------------------------------------------------------
   12. Reduced Motion Overrides
   ---------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in-up {
    opacity: 1;
    transform: none;
  }
}