/* Elite styling variables and premium responsive transitions */
:root {
  --navy: #1453D4;
  --navy-dark: #0e3a96;
  --navy-deep: #071f54;
  --crimson: #E60A0A;
  --crimson-hover: #bd0808;
  --gold: #D4A237;
  --gold-light: #f5dfa8;
}

/* Premium Jony Ive inspired link underline animation */
.nav-link::after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--navy);
  transform-origin: bottom right;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

/* Tabs underline indicators */
.tab-btn {
  border-bottom-width: 2px;
}
.tab-btn.active {
  border-color: var(--navy);
  color: var(--navy);
}

/* Scroll drawer adjustments */
#mobileDrawer {
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Micro-interactions for social connectors */
.social-icon:hover {
  transform: translateY(-3px);
  background-color: var(--gold);
  color: var(--navy-deep) !important;
}

/* Modal Dialog animation */
#prospectusModal {
  transition: opacity 0.25s ease-out;
}

/* Premium Reveal-on-scroll animations using IntersectionObserver */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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