@keyframes bounce-arrow {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%       { transform: translateY(8px); opacity: 0.5; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes lightbox-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }
.reveal:nth-child(5) { transition-delay: 0.32s; }
.reveal:nth-child(6) { transition-delay: 0.4s; }

.shake-anim {
  animation: shake 0.45s ease-in-out;
}

#lightbox:not([hidden]) .lightbox-content {
  animation: lightbox-in 0.3s var(--ease-out) forwards;
}

.hero-kicker.reveal         { transition-delay: 0.1s; }
.hero-headline.reveal       { transition-delay: 0.2s; }
.hero-lead.reveal           { transition-delay: 0.3s; }
.hero-form.reveal           { transition-delay: 0.4s; }
.hero-meta.reveal           { transition-delay: 0.45s; }
.hero-stats.reveal          { transition-delay: 0.5s; }
.scroll-hint.reveal         { transition-delay: 0.6s; }

.portfolio-card {
  transition:
    box-shadow var(--transition),
    transform var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-4px);
}

.number-item {
  transition: transform var(--transition);
}

.number-item:hover .big-number {
  color: var(--gold);
  transition: color var(--transition);
}

.faq-question {
  position: relative;
}

.faq-question::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}

.faq-question:hover::after {
  width: 100%;
}

.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.04);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.btn:active::after {
  opacity: 1;
}

#nav {
  transition: background 0.3s ease, border-color 0.3s ease;
}

.service-card,
.testimonial-card,
.pricing-card {
  will-change: transform;
}

.nav-cta {
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.portfolio-card img {
  will-change: transform, filter;
}