/* Scroll-triggered animations */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for children */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* Slide in from left */
.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide in from right */
.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale up */
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Card hover interactions */
.stat-card,
.feature-card,
.smart-card,
.step,
.tech-item {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

/* Button press effect */
.btn:active {
  transform: translate(2px, 2px);
}

/* Typing cursor for hero */
.typing-cursor::after {
  content: '|';
  animation: blink 1s step-end infinite;
  color: var(--color-accent);
  font-weight: 400;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Marquee for tech stack (optional) */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee {
  animation: marquee 20s linear infinite;
}

/* Shake on error (for forms) */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.shake {
  animation: shake 0.5s ease;
}

/* Pulse attention */
@keyframes pulse {
  0%, 100% { box-shadow: var(--shadow-brutal); }
  50% { box-shadow: 6px 6px 0 var(--color-accent); }
}

.pulse {
  animation: pulse 2s ease infinite;
}

/* Draw border effect */
.draw-border {
  position: relative;
}

.draw-border::before,
.draw-border::after {
  content: '';
  position: absolute;
  background: var(--color-accent);
  transition: all 0.3s ease;
}

.draw-border::before {
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
}

.draw-border::after {
  bottom: 0;
  right: 0;
  width: 0;
  height: 2px;
}

.draw-border:hover::before,
.draw-border:hover::after {
  width: 100%;
}

/* Hero section always visible on load */
.hero .animate-in {
  opacity: 1;
  transform: translateY(0);
  animation: fadeSlideUp 0.8s ease forwards;
}

.hero .animate-in.stagger-1 { animation-delay: 0.1s; }
.hero .animate-in.stagger-2 { animation-delay: 0.2s; }
.hero .animate-in.stagger-3 { animation-delay: 0.3s; }
.hero .animate-in.stagger-4 { animation-delay: 0.4s; }
.hero .animate-in.stagger-5 { animation-delay: 0.5s; }

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

/* Device card special animation */
.device-card {
  animation: floatIn 0.8s ease 0.4s forwards;
  opacity: 0;
  transform: translateY(40px) rotate(-2deg);
}

@keyframes floatIn {
  to {
    opacity: 1;
    transform: translateY(0) rotate(0);
  }
}