/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Card hover */
.card-hover {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px -8px rgba(30, 58, 138, 0.15);
}

/* Primary button */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn-primary:hover::after {
  transform: translateX(100%);
}

.btn-primary:active {
  transform: scale(0.98);
}

/* FAQ */
details summary::-webkit-details-marker {
  display: none;
}

details[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-item {
  transition: box-shadow 0.2s ease;
}

.faq-item[open] {
  box-shadow: 0 8px 30px -6px rgba(30, 58, 138, 0.12);
}

/* Form invalid state */
input:invalid:not(:placeholder-shown):not(:focus),
select:invalid:not(:focus) {
  border-color: #fca5a5;
}

input.error,
select.error {
  border-color: #ef4444;
  ring-color: #ef4444;
}

/* Header shadow on scroll */
#header.scrolled {
  box-shadow: 0 4px 20px -4px rgba(30, 58, 138, 0.1);
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }

  .btn-primary::after {
    display: none;
  }
}