/* ========================================
   Optimized Working - Animations
   ======================================== */

/* --- Scroll-triggered animations --- */
[data-animate] {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* --- Stagger delays for cards --- */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="150"] { transition-delay: 0.15s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="450"] { transition-delay: 0.45s; }
[data-delay="500"] { transition-delay: 0.5s; }

/* --- Card glow on hover --- */
.card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(0, 168, 255, 0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.card:hover::after {
  opacity: 1;
}

/* --- Stat counter pulse --- */
.stat__number {
  transition: color 0.3s;
}

.stat:hover .stat__number {
  text-shadow: 0 0 20px rgba(0, 168, 255, 0.4);
}

/* --- Nav link underline --- */
.nav__link:not(.nav__link--cta)::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: var(--accent);
  margin-top: 2px;
  transition: width 0.3s;
}

.nav__link:not(.nav__link--cta):hover::after {
  width: 100%;
}

/* --- Process step hover --- */
.process__step:hover .process__number {
  background: var(--accent);
  color: #000;
  transform: scale(1.08);
  transition: all 0.3s;
}

/* --- Button press effect --- */
.btn:active {
  transform: translateY(0) scale(0.98);
}

/* --- Hero parallax support --- */
.hero__content {
  will-change: transform, opacity;
}

/* --- Focus ring for accessibility --- */
.btn:focus-visible,
.form__input:focus-visible,
.nav__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__gradient-bg {
    animation: none;
  }

  .hero__scroll-indicator span::after {
    animation: none;
  }
}