/* ─── Preloader ────────────────────────────────────────────── */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #0b0c10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s, visibility 0.5s;
}
#preloader.loaded {
  opacity: 0;
  visibility: hidden;
}
.preloader-content {
  text-align: center;
}
.preloader-logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #1f8fff, #00d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse-glow 1.5s ease-in-out infinite;
  margin-bottom: 1.5rem;
}
.preloader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}
.preloader-progress {
  height: 100%;
  background: linear-gradient(90deg, #1f8fff, #00d4ff);
  border-radius: 3px;
  animation: preloader-fill 1.2s ease-out forwards;
}
@keyframes preloader-fill {
  0% { width: 0%; }
  100% { width: 100%; }
}
@keyframes pulse-glow {
  0%, 100% { opacity: 1; filter: drop-shadow(0 0 8px rgba(31, 143, 255, 0.5)); }
  50% { opacity: 0.7; filter: drop-shadow(0 0 20px rgba(31, 143, 255, 0.8)); }
}

/* ─── Particle Canvas ─────────────────────────────────────── */
#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ─── Typed Text Cursor ───────────────────────────────────── */
#typed-text::after {
  content: '|';
  animation: blink 0.7s infinite;
  color: #00d4ff;
  font-weight: 300;
}
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ─── Scroll Reveal Animations ────────────────────────────── */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children within revealed sections */
.scroll-reveal.revealed .product-card,
.scroll-reveal.revealed .feature-card,
.scroll-reveal.revealed .philosophy-card {
  animation: fadeSlideUp 0.6s ease-out forwards;
  opacity: 0;
}
.scroll-reveal.revealed .product-card:nth-child(1),
.scroll-reveal.revealed .feature-card:nth-child(1) { animation-delay: 0.1s; }
.scroll-reveal.revealed .product-card:nth-child(2),
.scroll-reveal.revealed .feature-card:nth-child(2) { animation-delay: 0.2s; }
.scroll-reveal.revealed .product-card:nth-child(3),
.scroll-reveal.revealed .feature-card:nth-child(3) { animation-delay: 0.3s; }
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero section should always be visible (no scroll-reveal on first section) */
.hero.scroll-reveal {
  opacity: 1;
  transform: none;
}

/* ─── Button Glow Pulse ───────────────────────────────────── */
.glow-pulse {
  position: relative;
  overflow: visible;
}
.glow-pulse::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, #1f8fff, #00d4ff, #1f8fff);
  background-size: 200% 200%;
  animation: glow-shift 3s ease-in-out infinite;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s;
  filter: blur(8px);
}
.glow-pulse:hover::before {
  opacity: 1;
}
@keyframes glow-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ─── Cursor Glow Trail ───────────────────────────────────── */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 143, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: left 0.1s ease-out, top 0.1s ease-out;
}

/* ─── Enhanced Button Hover ───────────────────────────────── */
.btn {
  transition: transform 0.2s ease-out, box-shadow 0.3s;
}
.btn:hover {
  box-shadow: 0 0 20px rgba(31, 143, 255, 0.3), 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ─── Reduce motion for accessibility ─────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .scroll-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  #typed-text::after { animation: none; }
  .glow-pulse::before { animation: none; }
  .cursor-glow { display: none; }
  #particle-canvas { display: none; }
  #preloader { display: none; }
  .preloader-logo { animation: none; }
}