html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

details > summary::-webkit-details-marker { display: none; }
details > summary { list-style: none; }

#site-nav {
  -webkit-backdrop-filter: blur(20px) saturate(180%);
          backdrop-filter: blur(20px) saturate(180%);
}
#site-nav.is-scrolled {
  background-color: rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 32px -12px rgba(12, 46, 92, 0.12);
  border-bottom-color: rgba(229, 231, 235, 0.7);
}

.form-step { animation: fade-in 0.3s ease; }
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Director option radios — highlight selected via peer-checked above; fallback for older Safari */
.director-option input[type="radio"]:focus-visible + div {
  outline: 2px solid #1E5BA8;
  outline-offset: 2px;
}

/* File drop hover */
#tz-drop.is-dragover {
  border-color: #1E5BA8;
  background: rgba(30, 91, 168, 0.05);
}