body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 50%, transparent 45%, rgba(0,0,0,0.55) 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.06;
  mix-blend-mode: soft-light;
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(255,255,255,0.04) 0px,
      rgba(255,255,255,0.04) 1px,
      transparent 1px,
      transparent 3px
    );
}

.hero-copy {
  animation: heroFade 1.8s cubic-bezier(.19,.91,.22,1);
}

h1 {
  animation:
    titleReveal 1.4s cubic-bezier(.19,.91,.22,1);
}

.subtitle {
  animation:
    subtitleReveal 2s cubic-bezier(.19,.91,.22,1);
}

.hero-actions {
  animation:
    buttonReveal 2.4s cubic-bezier(.19,.91,.22,1);
}

.hero-actions a {
  transition:
    transform 0.4s ease,
    box-shadow 0.4s ease,
    background 0.4s ease;
}

.hero-actions a:hover {
  transform: translateY(-4px);
  box-shadow:
    0 18px 60px rgba(255,255,255,0.18),
    0 0 24px rgba(255,255,255,0.12);
}

.hero-actions span {
  transition:
    border-color 0.4s ease,
    color 0.4s ease,
    background 0.4s ease;
}

.hero-actions span:hover {
  border-color: rgba(255,255,255,0.42);
  color: rgba(255,255,255,0.95);
  background: rgba(255,255,255,0.08);
}

.scroll-ui span {
  animation: scrollPulse 2.4s infinite ease-in-out;
}

@keyframes heroFade {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes titleReveal {
  from {
    opacity: 0;
    transform: translateY(80px) scale(0.96);
    filter: blur(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes subtitleReveal {
  from {
    opacity: 0;
    transform: translateY(24px);
    filter: blur(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes buttonReveal {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes titleFloat {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-8px);
  }

  100% {
    transform: translateY(0px);
  }
}

@keyframes scrollPulse {
  0% {
    opacity: 0.22;
    transform: translateY(0px);
  }

  50% {
    opacity: 0.8;
    transform: translateY(6px);
  }

  100% {
    opacity: 0.22;
    transform: translateY(0px);
  }
}