.fade-up {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.animated {
  opacity: 1;
  transform: translateY(0);
}

.fade-up[data-delay="1"] {
  transition-delay: 100ms;
}

.fade-up[data-delay="2"] {
  transition-delay: 200ms;
}

.fade-up[data-delay="3"] {
  transition-delay: 300ms;
}

.fade-up[data-delay="4"] {
  transition-delay: 400ms;
}

.fade-up[data-delay="5"] {
  transition-delay: 500ms;
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

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

.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

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

.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

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

.hero-title {
  opacity: 0;
  transform: translateY(20px);
  animation: hero-title-enter 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-delay: 0.2s;
}

@keyframes hero-title-enter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  position: relative;
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.25s ease;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, 0.15),
      transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease;
}

.btn:active::after {
  width: 180px;
  height: 180px;
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-full);
}

.nav-link:hover::after {
  width: 100%;
}


.value-card,
.feature-item {
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary), var(--color-primary-dark));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.value-card:hover::before {
  transform: scaleX(1);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}


.contact-link {
  position: relative;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: var(--space-6);
  right: var(--space-6);
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-link:hover::after {
  transform: scaleX(1);
}

.contact-link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}


.download-card {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.2s ease;
}

.download-card:hover {
  transform: translateY(-4px) scale(1.02);
}

.download-card:hover .download-arrow {
  transform: translate(3px, -3px);
  color: var(--color-primary);
}

.download-arrow {
  transition: transform 0.2s ease, color 0.2s ease;
}

.section-title {
  position: relative;
  display: inline-block;
}

@media (prefers-reduced-motion: reduce) {

  .fade-up,
  .scale-in,
  .slide-left,
  .slide-right {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-title {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .btn {
    transition: background var(--transition-fast);
  }

  .btn:hover {
    transform: none;
  }

  .btn::before,
  .btn::after {
    display: none;
  }

  .nav-link::after,
  .contact-link::after,
  .value-card::before,
  .download-card,
  .download-arrow {
    transition: none;
  }

  .download-card:hover {
    transform: none;
  }

  .value-card:hover,
  .feature-item:hover {
    transform: none;
  }

  .contact-link:hover {
    transform: none;
  }
}