/* ===== АНИМАЦИИ ДЛЯ ФОРМЫ ===== */

/* Пульсация для активных элементов */
@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(255, 215, 0, 0);
  }
  50% {
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.1);
  }
}

.cosmic-field:focus {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* Появление элементов */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-step.active {
  animation: fadeInUp 0.6s ease;
}

/* Свечение для кнопок */
@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.cosmic-btn .btn-shimmer {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}

/* Парящие элементы */
@keyframes levitate {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  25% {
    transform: translateY(-5px) rotate(1deg);
  }
  75% {
    transform: translateY(5px) rotate(-1deg);
  }
}

.hero-icon {
  animation: levitate 6s ease-in-out infinite;
}

/* Мерцание звёзд */
@keyframes twinkle-slow {
  0%,
  100% {
    opacity: 0.2;
  }
  50% {
    opacity: 0.8;
  }
}

.star-1 {
  animation: twinkle-slow 4s ease-in-out infinite;
}
.star-2 {
  animation: twinkle-slow 5s ease-in-out infinite 1s;
}
.star-3 {
  animation: twinkle-slow 6s ease-in-out infinite 2s;
}

/* Спиннер загрузки */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loader-ring {
  animation: spin 1.5s linear infinite;
}

.loader-ring:nth-child(2) {
  animation-duration: 2s;
  animation-direction: reverse;
}

.loader-ring:nth-child(3) {
  animation-duration: 2.5s;
}

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

.gradient-text {
  background-size: 200% auto;
  animation: gradient-shift 4s ease-in-out infinite;
}