/* ========================================
   ANIMAZIONI INGRANAGGI
   ======================================== */

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

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

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

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

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

/* ========================================
   ANIMAZIONI VAPORE E FUMO
   ======================================== */

@keyframes steam-rise {
  0% {
    transform: translateY(0) scale(1);
    opacity: 0.7;
  }
  50% {
    opacity: 0.4;
  }
  100% {
    transform: translateY(-100px) scale(1.5);
    opacity: 0;
  }
}

@keyframes steam-float {
  0%, 100% {
    transform: translateX(0) translateY(0);
  }
  25% {
    transform: translateX(10px) translateY(-20px);
  }
  50% {
    transform: translateX(-5px) translateY(-40px);
  }
  75% {
    transform: translateX(15px) translateY(-60px);
  }
}

@keyframes smoke-drift {
  0% {
    transform: translateX(0) translateY(0) scale(1);
    opacity: 0.6;
  }
  100% {
    transform: translateX(50px) translateY(-150px) scale(2);
    opacity: 0;
  }
}

/* ========================================
   ANIMAZIONI MANOMETRI E INDICATORI
   ======================================== */

@keyframes gauge-needle {
  0%, 100% {
    transform: rotate(-45deg);
  }
  50% {
    transform: rotate(45deg);
  }
}

@keyframes pressure-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* ========================================
   ANIMAZIONI GLOW E LUCE
   ======================================== */

@keyframes brass-glow {
  0%, 100% {
    box-shadow: 0 0 10px var(--color-brass-primary),
                0 0 20px var(--color-brass-primary),
                0 0 30px var(--color-brass-primary);
  }
  50% {
    box-shadow: 0 0 20px var(--color-brass-primary),
                0 0 40px var(--color-brass-primary),
                0 0 60px var(--color-brass-primary);
  }
}

@keyframes steam-glow {
  0%, 100% {
    text-shadow: 0 0 10px var(--color-steam-glow),
                 0 0 20px var(--color-steam-glow);
  }
  50% {
    text-shadow: 0 0 20px var(--color-steam-glow),
                 0 0 40px var(--color-steam-glow),
                 0 0 60px var(--color-steam-glow);
  }
}

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

/* ========================================
   ANIMAZIONI INTERFACCIA
   ======================================== */

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

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-down {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========================================
   ANIMAZIONI BOTTONI E INTERAZIONI
   ======================================== */

@keyframes button-press {
  0% {
    transform: translateY(0);
    box-shadow: 0 4px 0 var(--color-brass-dark),
                0 8px 20px rgba(0, 0, 0, 0.3);
  }
  100% {
    transform: translateY(4px);
    box-shadow: 0 0 0 var(--color-brass-dark),
                0 4px 10px rgba(0, 0, 0, 0.3);
  }
}

@keyframes lever-toggle {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(-30deg);
  }
  100% {
    transform: rotate(0deg);
  }
}

@keyframes rivet-pop {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

/* ========================================
   ANIMAZIONI PRELOADER
   ======================================== */

@keyframes portal-spin {
  0% {
    transform: rotate(0deg) scale(1);
  }
  50% {
    transform: rotate(180deg) scale(1.1);
  }
  100% {
    transform: rotate(360deg) scale(1);
  }
}

@keyframes clock-tick {
  0%, 100% {
    transform: rotate(0deg);
  }
  10% {
    transform: rotate(36deg);
  }
  20% {
    transform: rotate(72deg);
  }
  30% {
    transform: rotate(108deg);
  }
  40% {
    transform: rotate(144deg);
  }
  50% {
    transform: rotate(180deg);
  }
  60% {
    transform: rotate(216deg);
  }
  70% {
    transform: rotate(252deg);
  }
  80% {
    transform: rotate(288deg);
  }
  90% {
    transform: rotate(324deg);
  }
}

@keyframes preloader-fade-out {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

/* ========================================
   ANIMAZIONI SCROLL REVEAL
   ======================================== */

@keyframes reveal-from-bottom {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes reveal-scale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========================================
   ANIMAZIONI PARTICELLE
   ======================================== */

@keyframes particle-float {
  0% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translate(var(--tx), var(--ty)) rotate(360deg);
    opacity: 0;
  }
}

/* ========================================
   ANIMAZIONI COOKIE BANNER
   ======================================== */

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

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

/* ========================================
   CLASSI UTILITY PER ANIMAZIONI
   ======================================== */

.animate-gear-slow {
  animation: rotate-clockwise 30s linear infinite;
}

.animate-gear-medium {
  animation: rotate-clockwise 20s linear infinite;
}

.animate-gear-fast {
  animation: rotate-clockwise 10s linear infinite;
}

.animate-gear-reverse {
  animation: rotate-counterclockwise 25s linear infinite;
}

.animate-steam {
  animation: steam-rise 4s ease-out infinite;
}

.animate-glow {
  animation: brass-glow 2s ease-in-out infinite;
}

.animate-fade-in {
  animation: fade-in 0.5s ease-out forwards;
}

.animate-fade-in-up {
  animation: fade-in-up 0.6s ease-out forwards;
}

.animate-scale-in {
  animation: scale-in 0.5s ease-out forwards;
}