/* =============================================
   koudd.lab — Animations
   ============================================= */

/* ─── KEYFRAMES ─── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-60px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes floatY {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-18px); }
}

@keyframes floatX {
  0%, 100% { transform: translateX(0px) rotate(0deg); }
  50%       { transform: translateX(12px) rotate(3deg); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(255,85,0,0.3); }
  50%       { box-shadow: 0 0 50px rgba(255,85,0,0.6), 0 0 80px rgba(255,85,0,0.2); }
}

@keyframes textGlowPulse {
  0%, 100% { text-shadow: 0 0 20px rgba(255,85,0,0.3); }
  50%       { text-shadow: 0 0 40px rgba(255,85,0,0.7); }
}

@keyframes borderRotate {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes ripple {
  0%   { transform: scale(0); opacity: 0.6; }
  100% { transform: scale(3); opacity: 0; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

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

@keyframes dashDraw {
  from { stroke-dashoffset: 1000; }
  to   { stroke-dashoffset: 0; }
}

@keyframes numberCount {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes scanLine {
  0%   { top: 0%; }
  100% { top: 100%; }
}

@keyframes particleFloat {
  0%, 100% { transform: translateY(0) translateX(0) scale(1); opacity: 0.7; }
  33%       { transform: translateY(-30px) translateX(10px) scale(1.1); opacity: 1; }
  66%       { transform: translateY(10px) translateX(-15px) scale(0.9); opacity: 0.5; }
}

@keyframes orbDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -20px) scale(1.05); }
  66%       { transform: translate(-20px, 30px) scale(0.95); }
}

/* ─── SCROLL-REVEAL CLASSES ─── */
/* Elements start hidden; JS adds .revealed when in viewport */

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal-left.revealed { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal-right.revealed { opacity: 1; transform: translateX(0); }

.reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--spring);
}
.reveal-scale.revealed { opacity: 1; transform: scale(1); }

/* Stagger delays */
.delay-1  { transition-delay: 0.1s; }
.delay-2  { transition-delay: 0.2s; }
.delay-3  { transition-delay: 0.3s; }
.delay-4  { transition-delay: 0.4s; }
.delay-5  { transition-delay: 0.5s; }
.delay-6  { transition-delay: 0.6s; }
.delay-7  { transition-delay: 0.7s; }

/* ─── FLOATING ELEMENTS ─── */
.float-y { animation: floatY 5s ease-in-out infinite; }
.float-x { animation: floatX 7s ease-in-out infinite; }
.glow-pulse { animation: glowPulse 3s ease-in-out infinite; }
.text-glow-pulse { animation: textGlowPulse 3s ease-in-out infinite; }

/* ─── SHIMMER TEXT ─── */
.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--white) 0%,
    var(--orange) 40%,
    var(--white) 60%,
    var(--orange-glow) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ─── CURSOR BLINK ─── */
.cursor-blink {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--orange);
  margin-left: 4px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

/* ─── HERO LINES (decorative) ─── */
.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,85,0,0.3), transparent);
  animation: scanLine 4s linear infinite;
  pointer-events: none;
}

/* ─── CARD HOVER ─── */
.card-3d {
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease-out);
}
.card-3d:hover {
  transform: translateY(-8px) rotateX(2deg) rotateY(-2deg);
}

/* ─── MAGNETIC BUTTON ─── */
.magnetic {
  transition: transform 0.3s var(--spring);
}

/* ─── PAGE TRANSITIONS ─── */
.page-enter {
  animation: fadeIn 0.5s var(--ease-out) forwards;
}