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

@keyframes sv-float {
  from {
    translate: 0 0;
  }
  to {
    translate: 0 -12px;
  }
}

@keyframes sv-bounce {
  0%,
  100% {
    transform: rotate(45deg) translateY(0);
  }
  50% {
    transform: rotate(45deg) translateY(4px);
  }
}

@keyframes sv-modal-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.sv-animate-rise {
  opacity: 0;
  animation: sv-rise 0.75s var(--sv-ease) forwards;
}

.sv-animate-rise--1 { animation-delay: 0.1s; }
.sv-animate-rise--2 { animation-delay: 0.22s; }
.sv-animate-rise--3 { animation-delay: 0.34s; }
.sv-animate-rise--4 { animation-delay: 0.46s; }
.sv-animate-rise--5 { animation-delay: 0.58s; }

.sv-hero__plane {
  animation: sv-float 12s var(--sv-ease) infinite alternate;
}

.sv-hero__plane:nth-child(2) {
  animation-delay: -4s;
}

.sv-hero__plane:nth-child(3) {
  animation-delay: -8s;
}

.sv-scroll-hint__chevron {
  animation: sv-bounce 2s ease-in-out infinite;
}

.sv-modal__panel {
  animation: sv-modal-in 0.35s var(--sv-ease);
}

.sv-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--sv-ease), transform 0.65s var(--sv-ease);
}

.sv-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .sv-animate-rise,
  .sv-hero__plane,
  .sv-scroll-hint__chevron,
  .sv-modal__panel,
  .sv-reveal {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}