html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(circle at 12% 16%, rgba(199, 119, 18, 0.18), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(33, 79, 59, 0.14), transparent 22%),
    linear-gradient(180deg, #fffaf1 0%, #f8f2e8 36%, #edf4f9 100%);
}

.gridline {
  background-image:
    linear-gradient(rgba(16, 23, 38, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 23, 38, 0.05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.92), transparent 84%);
  pointer-events: none;
}

.hero-shell {
  background:
    linear-gradient(135deg, rgba(16, 23, 38, 0.96), rgba(24, 35, 59, 0.94)),
    radial-gradient(circle at top right, rgba(199, 119, 18, 0.24), transparent 26%);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

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

.mobile-panel {
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition:
    transform 220ms ease,
    opacity 220ms ease;
}

.mobile-panel.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.hero-orbit {
  transition: transform 180ms ease-out;
  will-change: transform;
}

.nav-dropdown > summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown > summary {
  list-style: none;
}

.nav-dropdown[open] .nav-panel {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-panel {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.subnav-fade {
  position: relative;
}

.subnav-fade::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 3rem;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(248, 242, 232, 0.95));
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal.is-visible,
  .mobile-panel,
  .mobile-panel.is-open,
  .hero-orbit {
    transition: none;
    transform: none;
    opacity: 1;
  }
}