/* Base reveal states */
.reveal-up  { opacity: 0; transform: translateY(36px); }
.reveal-clip { clip-path: inset(100% 0 0 0); }

/* Split text */
.split-line-wrap { overflow: hidden; display: block; }

/* Blue shimmer */
@keyframes blue-shimmer {
  0%   { background-position: -300% center; }
  100% { background-position:  300% center; }
}

.text-shimmer {
  background: linear-gradient(90deg,
    var(--c-blue-dark)  0%,
    var(--c-blue-light) 40%,
    var(--c-blue-dark)  80%
  );
  background-size: 300% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: blue-shimmer 5s linear infinite;
}

/* Scroll-cue pulse */
@keyframes scroll-drop {
  0%   { transform: scaleY(0); transform-origin: top;    opacity: 0; }
  45%  { transform: scaleY(1); transform-origin: top;    opacity: 1; }
  55%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* Subtle noise grain — light-mode friendly */
.grain::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9998;
  opacity: 0.2;
  mix-blend-mode: multiply;
}

/* Magnetic */
[data-magnetic] { transition: transform 0.6s var(--ease-out-expo); }

/* Page transition */
.page-curtain {
  position: fixed;
  inset: 0;
  background: var(--c-blue);
  z-index: 9999;
  transform: scaleY(0);
  transform-origin: bottom;
}