/* ═══════════════════════════════════════════
   ANIMATIONS & KEYFRAMES
═══════════════════════════════════════════ */

/* ── Keyframes ── */

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes stripScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes clipReveal {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

/* ── Scroll Reveal ── */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo);
  will-change: opacity, transform;
}

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

/* Delay variants */
.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }
.reveal--delay-3 { transition-delay: 240ms; }
.reveal--delay-4 { transition-delay: 320ms; }
.reveal--delay-5 { transition-delay: 400ms; }
.reveal--delay-6 { transition-delay: 480ms; }
.reveal--delay-7 { transition-delay: 560ms; }

/* Hero reveals fire immediately on load */
.hero .reveal {
  transition-duration: var(--dur-slower);
}

/* ── Page Entrance ── */

body {
  animation: fadeIn 0.4s ease-out both;
}

/* ── Reduced Motion Overrides ── */

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .strip__track {
    animation: none;
  }
  .hero__badge-dot {
    animation: none;
  }
  .hero__scroll-line {
    animation: none;
  }
  .project-card__img {
    transition: none;
  }
}