/* ============================================================
   animations.css: keyframes, entrance animations, transitions
   Uses Animate.css classes for scroll-triggered reveals
   ============================================================ */

/* ── Page Load Fade-In ────────────────────────────────────── */
@keyframes page-enter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

body {
  animation: page-enter 0.5s ease forwards;
}

/* ── Float ────────────────────────────────────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

.float {
  animation: float 4s ease-in-out infinite;
}

.float--slow {
  animation: float 6s ease-in-out infinite;
}

.float--fast {
  animation: float 2.5s ease-in-out infinite;
}

/* ── Pulse glow ───────────────────────────────────────────── */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 10px var(--glow-purple), 0 0 20px rgba(191, 95, 255, 0.2);
  }
  50% {
    box-shadow: 0 0 20px var(--glow-purple), 0 0 50px rgba(191, 95, 255, 0.4), 0 0 80px rgba(191, 95, 255, 0.15);
  }
}

.pulse-glow {
  animation: pulse-glow 3s ease-in-out infinite;
}

/* ── Shimmer sweep (for buttons, cards) ───────────────────── */
@keyframes shimmer {
  0%   { transform: translateX(-100%) skewX(-15deg); }
  100% { transform: translateX(200%) skewX(-15deg); }
}

.shimmer-btn {
  position: relative;
  overflow: hidden;
}

.shimmer-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  animation: shimmer 2.5s ease infinite;
  pointer-events: none;
}

/* ── Sparkle spin ─────────────────────────────────────────── */
@keyframes sparkle-spin {
  0%   { transform: rotate(0deg)   scale(1);   opacity: 0.6; }
  25%  { transform: rotate(90deg)  scale(1.3); opacity: 1;   }
  50%  { transform: rotate(180deg) scale(1);   opacity: 0.6; }
  75%  { transform: rotate(270deg) scale(0.8); opacity: 0.9; }
  100% { transform: rotate(360deg) scale(1);   opacity: 0.6; }
}

.sparkle-spin {
  animation: sparkle-spin 4s linear infinite;
  display: inline-block;
}

/* ── Typing cursor blink ──────────────────────────────────── */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--purple);
}

/* ── Scroll-reveal setup ──────────────────────────────────── */
/* Elements start hidden; JS adds .revealed when in viewport */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal--left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal--left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal--right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal--right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children reveal */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.revealed > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0s; }
.reveal-stagger.revealed > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.1s; }
.reveal-stagger.revealed > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.reveal-stagger.revealed > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }
.reveal-stagger.revealed > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.4s; }
.reveal-stagger.revealed > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.5s; }

/* ── Hero name entrance ───────────────────────────────────── */
@keyframes hero-name-in {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

.hero-name-enter {
  animation: hero-name-in 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero-sub-enter {
  animation: hero-name-in 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
}

.hero-cta-enter {
  animation: hero-name-in 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
}

/* ── Gradient orb animation ───────────────────────────────── */
@keyframes orb-drift {
  0%, 100% { transform: translate(0,    0)    scale(1); }
  25%       { transform: translate(30px, -20px) scale(1.1); }
  50%       { transform: translate(-20px, 30px) scale(0.95); }
  75%       { transform: translate(20px, 20px) scale(1.05); }
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: orb-drift 12s ease-in-out infinite;
}

.orb--purple {
  background: rgba(191, 95, 255, 0.2);
  animation-duration: 12s;
}

.orb--teal {
  background: rgba(42, 191, 191, 0.12);
  animation-duration: 16s;
  animation-delay: -4s;
}

.orb--orange {
  background: rgba(204, 85, 0, 0.1);
  animation-duration: 10s;
  animation-delay: -8s;
}

/* ── Mobile nav overlay ───────────────────────────────────── */
@keyframes nav-overlay-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-overlay {
  animation: nav-overlay-in 0.25s ease forwards;
}

/* ── Reduce motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
}