/* === Scroll-triggered Animations === */
.animate-on-scroll {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: none !important;
}

/* Direction variants */
[data-animate="fade-up"] {
  transform: translateY(40px);
}

[data-animate="fade-down"] {
  transform: translateY(-40px);
}

[data-animate="fade-left"] {
  transform: translateX(-50px);
}

[data-animate="fade-right"] {
  transform: translateX(50px);
}

[data-animate="scale-in"] {
  transform: scale(0.9);
}

[data-animate="zoom-in"] {
  transform: scale(0.85);
}

/* Stagger children */
[data-animate="stagger"] > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

[data-animate="stagger"].is-visible > * {
  opacity: 1;
  transform: none;
}

/* Stagger delays */
[data-animate="stagger"].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-animate="stagger"].is-visible > *:nth-child(2) { transition-delay: 80ms; }
[data-animate="stagger"].is-visible > *:nth-child(3) { transition-delay: 160ms; }
[data-animate="stagger"].is-visible > *:nth-child(4) { transition-delay: 240ms; }
[data-animate="stagger"].is-visible > *:nth-child(5) { transition-delay: 320ms; }
[data-animate="stagger"].is-visible > *:nth-child(6) { transition-delay: 400ms; }
[data-animate="stagger"].is-visible > *:nth-child(7) { transition-delay: 480ms; }
[data-animate="stagger"].is-visible > *:nth-child(8) { transition-delay: 560ms; }
[data-animate="stagger"].is-visible > *:nth-child(9) { transition-delay: 640ms; }
[data-animate="stagger"].is-visible > *:nth-child(10) { transition-delay: 720ms; }
[data-animate="stagger"].is-visible > *:nth-child(11) { transition-delay: 800ms; }
[data-animate="stagger"].is-visible > *:nth-child(12) { transition-delay: 880ms; }

/* === Hero entrance animations === */
.hero__badge {
  animation: hero-entrance 0.8s var(--ease-out-expo) 0.2s both;
}

.hero__title {
  animation: hero-entrance 0.8s var(--ease-out-expo) 0.4s both;
}

.hero__subtitle {
  animation: hero-entrance 0.8s var(--ease-out-expo) 0.6s both;
}

.hero__cta {
  animation: hero-entrance 0.8s var(--ease-out-expo) 0.8s both;
}

.hero__stats {
  animation: hero-entrance 0.8s var(--ease-out-expo) 1s both;
}

.hero__visual {
  animation: hero-visual-entrance 1.2s var(--ease-out-expo) 0.5s both;
}

@keyframes hero-entrance {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes hero-visual-entrance {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* === Grid line background effect === */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(77, 208, 225, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77, 208, 225, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
  pointer-events: none;
}

/* === Glow line animation === */
.glow-line {
  position: relative;
  height: 1px;
  width: 100%;
  overflow: hidden;
}

.glow-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
  animation: glow-sweep 4s ease-in-out infinite;
}

@keyframes glow-sweep {
  0% { left: -60%; }
  100% { left: 100%; }
}

/* === Typing cursor === */
.typing-cursor::after {
  content: '|';
  color: var(--color-cyan);
  animation: cursor-blink 1s step-end infinite;
  margin-left: 2px;
}

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

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

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }

  [data-animate="stagger"] > * {
    opacity: 1;
    transform: none;
    transition-delay: 0ms !important;
  }
}