/* ============================================
   ANIMATIONS - Keyframes & Transitions
   ============================================ */

/* === FADE IN UP === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === CURSOR BLINK === */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* === SCROLL LINE === */
@keyframes scrollLine {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* === PULSE === */
@keyframes pulse {
  0%, 100% {
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.7), 0 0 0 12px rgba(37, 211, 102, 0.1);
  }
}

/* === SPIN === */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* === ANIMATE ON SCROLL === */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll[data-animation="fade-left"] {
  transform: translateX(-30px);
}

.animate-on-scroll[data-animation="fade-left"].is-visible {
  transform: translateX(0);
}

.animate-on-scroll[data-animation="fade-right"] {
  transform: translateX(30px);
}

.animate-on-scroll[data-animation="fade-right"].is-visible {
  transform: translateX(0);
}

/* Stagger delays */
.animate-on-scroll[data-delay="100"] { transition-delay: 100ms; }
.animate-on-scroll[data-delay="200"] { transition-delay: 200ms; }
.animate-on-scroll[data-delay="300"] { transition-delay: 300ms; }
.animate-on-scroll[data-delay="400"] { transition-delay: 400ms; }
.animate-on-scroll[data-delay="500"] { transition-delay: 500ms; }
.animate-on-scroll[data-delay="600"] { transition-delay: 600ms; }

/* === LOADING STATE === */
.page-loader {
  position: fixed;
  inset: 0;
  background-color: var(--cream-light);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-slow);
}

.page-loader__spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--cream-warm);
  border-top-color: var(--terracotta);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.page-loader.is-hidden {
  opacity: 0;
  pointer-events: none;
}