html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
}

::selection {
  background: #2D5BFF;
  color: #fff;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.reveal-up {
  transform: translateY(40px);
}
.reveal.reveal-sm {
  transform: translateY(20px);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header background once scrolled */
#site-header.scrolled {
  background-color: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(10px);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

/* FAQ accordion */
.faq-panel {
  max-height: 0;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-panel {
  max-height: 20rem;
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}
.faq-trigger:focus-visible {
  outline: 2px solid #2D5BFF;
  outline-offset: 4px;
}