/* =========================================================
   IDMT / Aurora Visual Engine v0.1
   Visual transitions, portal links and soft motion layer.
   Path: /Engines/Aurora/VISUAL-engine/visual-engine.css
   ========================================================= */

:root {
  --ve-bg: #02050a;
  --ve-blue: #2563eb;
  --ve-cyan: #7dd3fc;
  --ve-gold: #d8b56a;
  --ve-text: #f8fafc;
  --ve-line: rgba(186,230,253,.22);
  --ve-glass: rgba(255,255,255,.075);
  --ve-speed: 520ms;
  --ve-ease: cubic-bezier(.22,1,.36,1);
}

html {
  scroll-behavior: smooth;
}

body {
  transition:
    background-color var(--ve-speed) var(--ve-ease),
    opacity var(--ve-speed) var(--ve-ease),
    filter var(--ve-speed) var(--ve-ease);
}

body.ve-page-enter {
  animation: vePageEnter 680ms var(--ve-ease) both;
}

body.ve-page-exit {
  opacity: 0;
  filter: blur(12px);
  transform: scale(1.018);
}

@keyframes vePageEnter {
  from {
    opacity: 0;
    filter: blur(14px);
    transform: scale(.985) translateY(10px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: scale(1) translateY(0);
  }
}

/* Elements with this class fade into place */
.ve-reveal {
  opacity: 0;
  transform: translateY(18px) scale(.985);
  filter: blur(8px);
  transition:
    opacity 720ms var(--ve-ease),
    transform 720ms var(--ve-ease),
    filter 720ms var(--ve-ease);
}

.ve-reveal.ve-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* Portal links: use on important navigation anchors */
.portal-zoom-link,
.ve-link {
  position: relative;
  isolation: isolate;
  transition:
    transform 260ms ease,
    box-shadow 260ms ease,
    border-color 260ms ease,
    background 260ms ease;
}

.portal-zoom-link::after,
.ve-link::after {
  content: "";
  position: absolute;
  inset: -8px;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(circle at center, rgba(125,211,252,.20), transparent 62%);
  opacity: 0;
  filter: blur(18px);
  transition: opacity 260ms ease;
}

.portal-zoom-link:hover,
.portal-zoom-link:focus,
.ve-link:hover,
.ve-link:focus {
  transform: translateY(-2px) scale(1.012);
}

.portal-zoom-link:hover::after,
.portal-zoom-link:focus::after,
.ve-link:hover::after,
.ve-link:focus::after {
  opacity: 1;
}

/* Full-screen portal overlay created by JS */
.ve-portal-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(circle at var(--ve-x, 50%) var(--ve-y, 50%), rgba(125,211,252,.34), transparent 8rem),
    radial-gradient(circle at var(--ve-x, 50%) var(--ve-y, 50%), rgba(37,99,235,.28), transparent 22rem),
    rgba(2,5,10,.44);
  backdrop-filter: blur(0);
  transform: scale(.98);
  transition:
    opacity 420ms var(--ve-ease),
    transform 420ms var(--ve-ease),
    backdrop-filter 420ms var(--ve-ease);
}

.ve-portal-overlay.active {
  opacity: 1;
  transform: scale(1.06);
  backdrop-filter: blur(14px);
}

.ve-soft-card {
  transition:
    transform 280ms ease,
    box-shadow 280ms ease,
    border-color 280ms ease;
}

.ve-soft-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 54px rgba(7,20,38,.14);
}

/* Small luminous text mark */
.ve-light-mark {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.ve-light-mark::before,
.ve-light-mark::after {
  content: "";
  width: 1.1rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(125,211,252,.8), transparent);
  box-shadow: 0 0 14px rgba(125,211,252,.45);
}

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

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }

  .ve-portal-overlay {
    display: none;
  }
}