/* ============================================
   PLAGPREVENT V2 — ANIMATIONS V2
   Keyframes, transitions, reveals
   ============================================ */

/* ─── Scroll Reveal ─── */
.reveal {
  opacity: 1;                /* VISIBLE BY DEFAULT — no-JS fallback */
  transform: translateY(0);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

/* When JS is loaded, initially hide for animation */
.js-loaded .reveal {
  opacity: 0;
  transform: translateY(40px);
}

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

/* Stagger delays */
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }
.reveal-d5 { transition-delay: 0.5s; }
.reveal-d6 { transition-delay: 0.6s; }
.reveal-d7 { transition-delay: 0.7s; }
.reveal-d8 { transition-delay: 0.8s; }

/* ─── Fade Variants ─── */
.js-loaded .reveal-left {
  opacity: 0;
  transform: translateX(-50px);
}
.js-loaded .reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.js-loaded .reveal-right {
  opacity: 0;
  transform: translateX(50px);
}
.js-loaded .reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.js-loaded .reveal-scale {
  opacity: 0;
  transform: scale(0.85);
}
.js-loaded .reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

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

@keyframes float-rotate {
  0%   { transform: translateY(0) rotate(0deg); }
  50%  { transform: translateY(-8px) rotate(2deg); }
  100% { transform: translateY(0) rotate(0deg); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(34, 211, 238, 0.15); }
  50%      { box-shadow: 0 0 40px rgba(34, 211, 238, 0.35); }
}

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

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

@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes scan-sweep {
  0%   { transform: translateY(-100%); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(100%); opacity: 0; }
}

@keyframes cursor-expand {
  0%   { width: 20px; height: 20px; }
  50%  { width: 40px; height: 40px; }
  100% { width: 20px; height: 20px; }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

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

@keyframes count-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); color: var(--cyan-300); }
}

@keyframes typewriter {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes blink-caret {
  0%, 100% { border-right-color: var(--cyan-400); }
  50%      { border-right-color: transparent; }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; }
}

@keyframes orbit {
  from { transform: rotate(0deg) translateX(50px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(50px) rotate(-360deg); }
}

@keyframes border-glow {
  0%, 100% {
    border-color: rgba(34, 211, 238, 0.15);
    box-shadow: 0 0 0 rgba(34, 211, 238, 0);
  }
  50% {
    border-color: rgba(34, 211, 238, 0.4);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.15);
  }
}

@keyframes slide-in-nav {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes particle-drift {
  0%   { transform: translate(0, 0) scale(1); }
  25%  { transform: translate(10px, -15px) scale(1.1); }
  50%  { transform: translate(-5px, -25px) scale(0.95); }
  75%  { transform: translate(8px, -10px) scale(1.05); }
  100% { transform: translate(0, 0) scale(1); }
}

/* ─── Page Load Sequence ─── */
.nav {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out), transform 0.4s var(--ease-out);
}
.nav.is-visible {
  opacity: 1;
  animation: slide-in-nav 0.6s var(--ease-out) forwards;
}
/* Nav logo hidden initially, shown after transition-logo slides in */
.nav__logo img {
  opacity: 0;
  transition: opacity 0.3s ease;
}
.nav.logo-arrived .nav__logo img {
  opacity: 1;
}

/* Transition logo sizing */
#transition-logo img {
  transition: height 1s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ─── Intro overlay ─── */
#intro-overlay {
  transition: opacity 0.8s var(--ease-out);
}
#intro-overlay.is-done {
  opacity: 0;
  pointer-events: none;
}

/* ─── Loading bar ─── */
#loading-bar {
  transition: width 0.3s ease, opacity 0.3s ease;
}

/* ─── Reduced 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-scale {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}