/* Small hand-written additions that sit alongside Tailwind's generated
   utilities — kept here instead of duplicated inline on every page. */

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-rise-in {
  animation: rise-in 0.6s ease-out both;
}

@media (prefers-reduced-motion: reduce) {
  .animate-rise-in {
    animation: none;
  }
}

/* Mobile nav panel — collapsed by default, expands on .is-open */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.25s ease, opacity 0.2s ease;
}

#mobile-menu.is-open {
  max-height: 20rem;
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  #mobile-menu {
    transition: none;
  }
}

/* Hamburger icon morph */
.menu-bar {
  transition: transform 0.2s ease, opacity 0.2s ease;
}

#menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

#menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) {
  opacity: 0;
}

#menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
  .menu-bar {
    transition: none;
  }
}

/* Scroll-triggered reveal — starts invisible and offset, rises into place
   as it enters the viewport (see the IntersectionObserver in each page
   that uses it). Distinct from .animate-rise-in, which fires on load. */
.scroll-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

/* Inline field validation messages (e.g. the consent checkbox on Enquiry) —
   a plain fade-in, no movement, no bounce, to match the site's calm tone. */
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.animate-fade-in {
  animation: fade-in 0.3s ease-out both;
}

@media (prefers-reduced-motion: reduce) {
  .animate-fade-in {
    animation: none;
  }
}

/* Custom field-validation message — replaces the browser's native
   tooltip (system font, orange warning icon) with a small card built
   from the site's own materials: hairline border, soft shadow, rounded
   corners, and a thin accent border standing in for an icon. */
.field-message {
  position: relative;
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: #F4F2EC;
  border: 1px solid rgba(20, 51, 92, 0.12);
  border-left: 2px solid #14335C;
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(20, 51, 92, 0.08);
  color: #0B1F3A;
  font-size: 0.75rem;
  line-height: 1.5;
}

.field-message-arrow {
  position: absolute;
  top: -5px;
  left: 16px;
  width: 8px;
  height: 8px;
  background: #F4F2EC;
  border-left: 1px solid rgba(20, 51, 92, 0.12);
  border-top: 1px solid rgba(20, 51, 92, 0.12);
  transform: rotate(45deg);
}