/* Immersive realm layer — 3D field, ciphers, portal hero */

.realm-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.55;
}

:root[data-theme="light"] .realm-canvas {
  opacity: 0.28;
}

.realm-cipher-rail {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  overflow: hidden;
  pointer-events: none;
  border-bottom: 1px solid var(--cipher-dim);
  background: color-mix(in srgb, var(--color-bg) 72%, transparent);
  backdrop-filter: blur(8px);
}

.realm-cipher-rail__track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  padding: 0.35rem 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--cipher-accent) 75%, var(--color-muted));
  white-space: nowrap;
  animation: realm-marquee 48s linear infinite;
}

.realm-cipher-rail__track span {
  opacity: 0.85;
}

@keyframes realm-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

body.has-realm-rail {
  padding-top: 1.65rem;
}

/* —— Portal hero (home) —— */
.realm-hero {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  margin-top: calc(-1 * clamp(1.5rem, 4.6vw, 3.7rem));
  margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
  min-height: min(92vh, 860px);
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.realm-hero__stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, color-mix(in srgb, var(--cipher-accent) 16%, transparent), transparent 70%),
    radial-gradient(circle at 20% 70%, color-mix(in srgb, var(--memoria-accent) 14%, transparent), transparent 45%),
    linear-gradient(180deg, transparent 40%, var(--color-bg) 100%);
}

.realm-hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.realm-hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--color-bg) 78%, transparent) 0%, transparent 48%),
    linear-gradient(180deg, transparent 35%, color-mix(in srgb, var(--color-bg) 88%, transparent) 100%);
  pointer-events: none;
}

.realm-hero__content {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: clamp(2.5rem, 8vw, 5rem) clamp(1.25rem, 4vw, 3rem) clamp(2rem, 5vw, 3.5rem);
  transform-style: preserve-3d;
  perspective: 1200px;
}

.realm-hero__sigil {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cipher-accent);
}

.realm-hero__sigil::before {
  content: "◈";
  animation: realm-pulse 2.8s ease-in-out infinite;
}

@keyframes realm-pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.92);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

.realm-hero__brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8.5vw, 5.4rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.045em;
  color: var(--color-text);
  text-wrap: balance;
  max-width: 12ch;
}

.realm-hero__brand-cipher {
  display: block;
  margin-top: 0.45rem;
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.6vw, 0.85rem);
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--cipher-accent) 70%, var(--color-muted));
  opacity: 0.8;
}

.realm-hero__headline {
  margin: 0 0 0.75rem;
  max-width: 28ch;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: color-mix(in srgb, var(--color-text) 92%, var(--cipher-accent));
}

.realm-hero__lede {
  margin: 0 0 1.35rem;
  max-width: 42ch;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--color-muted);
}

.realm-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.realm-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid color-mix(in srgb, var(--cipher-accent) 55%, transparent);
  background: color-mix(in srgb, var(--cipher-accent) 14%, transparent);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease, color 200ms ease;
}

.realm-hero__cta:hover,
.realm-hero__cta:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cipher-accent);
  background: color-mix(in srgb, var(--cipher-accent) 24%, transparent);
  color: var(--color-text);
  text-decoration: none;
}

.realm-hero__cta--ghost {
  background: transparent;
  border-color: var(--color-panel-outline);
  color: var(--color-muted);
}

.realm-hero__cta--ghost:hover,
.realm-hero__cta--ghost:focus-visible {
  color: var(--color-text);
  border-color: color-mix(in srgb, var(--color-text) 35%, transparent);
  background: color-mix(in srgb, var(--color-text) 6%, transparent);
}

.realm-hero__float {
  position: absolute;
  right: clamp(4%, 8vw, 12%);
  top: 18%;
  z-index: 1;
  width: min(38vw, 320px);
  aspect-ratio: 1;
  pointer-events: none;
  transform-style: preserve-3d;
  animation: realm-drift 14s ease-in-out infinite;
}

@keyframes realm-drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotateX(12deg) rotateY(-18deg);
  }
  50% {
    transform: translate3d(12px, -18px, 40px) rotateX(22deg) rotateY(12deg);
  }
}

.realm-hero__float-ring {
  position: absolute;
  inset: 8%;
  border: 1px solid color-mix(in srgb, var(--cipher-accent) 35%, transparent);
  border-radius: 50%;
  animation: realm-spin 28s linear infinite;
}

.realm-hero__float-ring--inner {
  inset: 22%;
  border-style: dashed;
  border-color: color-mix(in srgb, var(--memoria-accent) 40%, transparent);
  animation-direction: reverse;
  animation-duration: 18s;
}

.realm-hero__float-glyph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: color-mix(in srgb, var(--cipher-accent) 55%, transparent);
  text-shadow: 0 0 40px color-mix(in srgb, var(--cipher-accent) 35%, transparent);
}

@keyframes realm-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 720px) {
  .realm-hero__float {
    opacity: 0.35;
    width: 42vw;
    top: 10%;
    right: 4%;
  }
}

/* —— Cryptic transmission band —— */
.realm-oracle {
  max-width: var(--max-width);
  margin: 0 auto 1.75rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--cipher-dim);
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--cipher-accent) 8%, transparent), transparent 55%),
    color-mix(in srgb, var(--color-surface) 88%, transparent);
  display: grid;
  gap: 0.55rem;
}

.realm-oracle__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cipher-accent);
}

.realm-oracle__text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1rem);
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--color-text);
  min-height: 3.2em;
}

.realm-oracle__text[data-decoding="true"] {
  color: var(--cipher-accent);
}

.realm-oracle__hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-muted);
}

.realm-oracle__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.realm-oracle__btn {
  border: 1px solid var(--color-panel-outline);
  background: transparent;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.realm-oracle__btn:hover,
.realm-oracle__btn:focus-visible {
  color: var(--color-text);
  border-color: var(--cipher-accent);
  background: color-mix(in srgb, var(--cipher-accent) 10%, transparent);
}

/* —— 3D faculty portals —— */
.faculty-panels.realm-portals {
  perspective: 1400px;
  gap: 1rem;
}

.realm-portals .panel {
  transform-style: preserve-3d;
  border-radius: 0.35rem;
  border-color: color-mix(in srgb, var(--cipher-accent) 18%, var(--color-panel-outline));
  background:
    linear-gradient(155deg, color-mix(in srgb, var(--color-surface) 92%, transparent), var(--color-surface)),
    var(--color-surface);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--cipher-accent) 6%, transparent) inset;
  transition: transform 280ms ease, border-color 280ms ease, box-shadow 280ms ease;
  will-change: transform;
}

.realm-portals .panel::before {
  content: attr(data-cipher);
  position: absolute;
  top: 0.65rem;
  right: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--cipher-accent);
  opacity: 0.45;
  pointer-events: none;
}

.realm-portals .panel:hover,
.realm-portals .panel:focus-within {
  transform: translateY(-0.45rem) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  border-color: color-mix(in srgb, var(--cipher-accent) 45%, var(--color-panel-outline));
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.35),
    0 0 28px color-mix(in srgb, var(--cipher-accent) 12%, transparent);
}

.realm-portals .panel-latin {
  font-family: var(--font-mono);
  letter-spacing: 0.32em;
}

.realm-portals .panel-heading {
  font-family: var(--font-display);
  font-weight: 700;
}

/* —— Showoff / dossier restyled —— */
.home-showoff {
  border-radius: 0.35rem;
  border-color: var(--cipher-dim);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--cipher-accent) 7%, transparent), transparent 40%),
    linear-gradient(
      160deg,
      color-mix(in srgb, var(--color-surface) 94%, var(--cipher-accent) 6%),
      var(--color-surface) 50%,
      color-mix(in srgb, var(--color-surface) 88%, var(--color-bg) 12%)
    );
}

.home-showoff__eyebrow {
  font-family: var(--font-mono);
  letter-spacing: 0.2em;
}

.home-showoff__title {
  font-family: var(--font-display);
  font-weight: 700;
  max-width: 24ch;
}

.home-showoff__cta {
  border-radius: 0.25rem;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

/* —— Page intros sitewide —— */
.page-intro {
  position: relative;
}

.page-kicker {
  font-family: var(--font-mono) !important;
  letter-spacing: 0.28em !important;
  color: var(--cipher-accent) !important;
}

.page-intro h1 {
  font-family: var(--font-display);
  font-weight: 700;
}

.page-intro[data-realm-intro]::after {
  content: attr(data-realm-gloss);
  display: block;
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--cipher-accent) 65%, var(--color-muted));
  opacity: 0.75;
}

/* —— Header polish —— */
.site-title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: none;
}

.site-tagline {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.nav-label {
  font-family: var(--font-display);
  font-variant: normal;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.92rem;
}

.nav-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.theme-toggle {
  border-radius: 0.25rem;
  font-family: var(--font-mono);
}

.site-header {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-bg-accent) 88%, transparent) 0%,
    color-mix(in srgb, var(--color-bg) 55%, transparent) 100%
  );
  border-bottom-color: var(--cipher-dim);
}

.realm-sigil-mark {
  font-family: var(--font-mono);
  font-size: 0.75em;
  letter-spacing: 0.14em;
  opacity: 0.7;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--cipher-accent);
}

.skip-link:focus {
  top: 2rem;
}

@media (prefers-reduced-motion: reduce) {
  .realm-cipher-rail__track,
  .realm-hero__float,
  .realm-hero__float-ring,
  .realm-hero__float-ring--inner,
  .realm-hero__sigil::before {
    animation: none !important;
  }

  .realm-portals .panel:hover,
  .realm-portals .panel:focus-within {
    transform: translateY(-0.2rem);
  }
}