/* ═══════════════════════════════════════════════════════════
   BELKIS ONE 1.0 — Animations & Keyframes
   ═══════════════════════════════════════════════════════════ */

/* ─── Entrance Animations ─── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ─── Reveal (scroll-triggered) ─── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal--left {
  transform: translateX(-40px);
}

.reveal--right {
  transform: translateX(40px);
}

.reveal--scale {
  transform: scale(0.9);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger delays */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 500ms; }
.reveal-stagger > .reveal:nth-child(7) { transition-delay: 600ms; }
.reveal-stagger > .reveal:nth-child(8) { transition-delay: 700ms; }
.reveal-stagger > .reveal:nth-child(9) { transition-delay: 800ms; }
.reveal-stagger > .reveal:nth-child(10) { transition-delay: 900ms; }

/* ─── Pulse Effects ─── */
@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes markerPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.5);
    opacity: 0;
  }
}

@keyframes mapPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 currentColor;
    opacity: 1;
  }
  70% {
    box-shadow: 0 0 0 12px transparent;
    opacity: 0.7;
  }
}

@keyframes glowPulse {
  0%, 100% {
    filter: brightness(1) drop-shadow(0 0 4px var(--accent));
  }
  50% {
    filter: brightness(1.2) drop-shadow(0 0 12px var(--accent));
  }
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14% { transform: scale(1.1); }
  28% { transform: scale(1); }
  42% { transform: scale(1.08); }
  56% { transform: scale(1); }
}

/* Orb Animations */
@keyframes orbCoreBreath {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 20px rgba(255,255,255,0.5), 0 0 60px rgba(0,212,255,0.2), 0 0 100px rgba(0,212,255,0.1);
  }
  50% {
    transform: scale(1.15);
    box-shadow: 0 0 30px rgba(255,255,255,0.6), 0 0 80px rgba(0,212,255,0.3), 0 0 120px rgba(0,212,255,0.15);
  }
}

@keyframes orbRingSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes prologBrandIn {
  from { opacity: 0; letter-spacing: 0.5em; }
  to { opacity: 1; letter-spacing: 0.35em; }
}

/* ─── Scroll Hint ─── */
@keyframes scrollHintFloat {
  0%, 100% {
    opacity: 0.5;
    transform: translateX(-50%) translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
  }
}

@keyframes scrollHintBounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(8px); }
  60% { transform: translateY(4px); }
}

/* ─── SVG Drawing ─── */
@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

.draw-line {
  stroke-dasharray: var(--path-length, 1000);
  stroke-dashoffset: var(--path-length, 1000);
}

.draw-line.is-visible {
  animation: drawLine 2s var(--ease-out-expo) forwards;
}

/* ─── Counter Animation ─── */
@keyframes countSlideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ─── Typewriter ─── */
.typewriter {
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--text-primary);
  animation: typewriterBlink 1s step-end infinite;
}

@keyframes typewriterBlink {
  0%, 100% { border-color: var(--text-primary); }
  50% { border-color: transparent; }
}

/* ─── Particle Glow ─── */
@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  25% {
    transform: translateY(-20px) translateX(10px);
  }
  50% {
    transform: translateY(-10px) translateX(-5px);
  }
  75% {
    transform: translateY(-30px) translateX(15px);
  }
}

/* ─── Background Gradient Shift ─── */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gradient-shift {
  background-size: 200% 200%;
  animation: gradientShift 10s ease infinite;
}

/* ─── Swoosh (for momentum arrows) ─── */
@keyframes swooshRight {
  from {
    opacity: 0;
    transform: translateX(-60px) scaleX(0.3);
  }
  to {
    opacity: 1;
    transform: translateX(0) scaleX(1);
  }
}

@keyframes swooshLeft {
  from {
    opacity: 0;
    transform: translateX(60px) scaleX(0.3);
  }
  to {
    opacity: 1;
    transform: translateX(0) scaleX(1);
  }
}

.swoosh-right {
  opacity: 0;
}

.swoosh-right.is-visible {
  animation: swooshRight 0.6s var(--ease-out-expo) forwards;
}

/* ─── Wave Effect ─── */
@keyframes wave {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Rotate ─── */
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes rotateReverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

/* ─── Scale Breathe ─── */
@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* ─── Shimmer Loading ─── */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.shimmer {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2s ease infinite;
}

/* ─── Comet Trail (for indicator marker) ─── */
@keyframes cometTrail {
  0% {
    opacity: 0.8;
    transform: scaleX(1);
  }
  100% {
    opacity: 0;
    transform: scaleX(0);
  }
}

/* ─── Section Transition Background ─── */
.section-transition {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}

.section-transition.is-active {
  opacity: 1;
}

/* ─── Number Flip ─── */
@keyframes flipDown {
  0% {
    transform: perspective(400px) rotateX(0deg);
  }
  100% {
    transform: perspective(400px) rotateX(-90deg);
  }
}

@keyframes flipUp {
  0% {
    transform: perspective(400px) rotateX(90deg);
  }
  100% {
    transform: perspective(400px) rotateX(0deg);
  }
}

/* ─── Magnetic Button ─── */
.magnetic-wrap {
  display: inline-block;
  transition: transform 0.3s var(--ease-out-quart);
}

/* ─── Progress Reveal ─── */
.progress-reveal {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.5s var(--ease-out-expo);
}

.progress-reveal.is-visible {
  clip-path: inset(0 0% 0 0);
}

/* ─── Parallax ─── */
.parallax-layer {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ─── Easter Egg ─── */
@keyframes easterEggReveal {
  0% {
    opacity: 0;
    filter: blur(10px);
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    filter: blur(0px);
    transform: scale(1);
  }
}

.easter-egg {
  display: none;
  opacity: 0;
}

.easter-egg.is-active {
  display: block;
  animation: easterEggReveal 1.5s var(--ease-out-expo) forwards;
}