/* Digital twin visuals — shared RTT theme, per-page variants */

.page-hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(180px, 0.72fr);
  align-items: center;
  gap: clamp(1rem, 3.5vw, 2.5rem);
}

.page-hero-split__content {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.dt-visual {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: clamp(200px, 32vw, 360px);
  pointer-events: none;
  user-select: none;
}

.dt-visual--sm { min-height: clamp(160px, 28vw, 240px); }
.dt-visual--sm .dt-visual__stage { max-width: min(100%, 260px); }

.dt-visual__glow {
  position: absolute;
  inset: 6% 4%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--rgb-blue), 0.14) 0%, rgba(var(--rgb-green), 0.08) 42%, transparent 72%);
  filter: blur(14px);
  animation: dt-glow 5.5s ease-in-out infinite;
}

@keyframes dt-glow {
  0%, 100% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.05); opacity: 1; }
}

.dt-visual__stage {
  position: relative;
  width: min(100%, 340px);
  aspect-ratio: 1;
  max-height: min(68vw, 340px);
}

.dt-visual__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.dt-visual__badges li {
  padding: 0.26rem 0.55rem;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--theme-teal);
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--theme-teal) 35%, var(--color-border));
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(8px);
  animation: dt-badge 4s ease-in-out infinite;
  animation-delay: calc(var(--badge-i, 0) * 0.35s);
}

.dt-visual__badges li:nth-child(1) { --badge-i: 0; }
.dt-visual__badges li:nth-child(2) { --badge-i: 1; }
.dt-visual__badges li:nth-child(3) { --badge-i: 2; }

@keyframes dt-badge {
  0%, 100% { transform: translateY(0); opacity: 0.85; }
  50% { transform: translateY(-2px); opacity: 1; }
}

.dt-visual__svg {
  position: absolute;
  inset: 8%;
  width: 84%;
  height: 84%;
  margin: auto;
  overflow: visible;
}

.dt-visual__dot {
  fill: var(--theme-green);
  animation: dt-dot 2.4s ease-in-out infinite;
}

.dt-visual__dot--2 { fill: var(--theme-blue); animation-delay: 0.55s; }
.dt-visual__dot--3 { animation-delay: 1.1s; }
.dt-visual__dot--hub { fill: var(--theme-teal); }

@keyframes dt-dot {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* Tunnel */
.dt-visual__stage--tunnel { perspective: 900px; }

.dt-visual__tunnel-mesh {
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  background:
    repeating-conic-gradient(from 0deg, rgba(var(--rgb-blue), 0.07) 0deg 8deg, transparent 8deg 16deg),
    repeating-radial-gradient(circle, transparent 0 14px, rgba(var(--rgb-green), 0.05) 14px 15px);
  mask: radial-gradient(circle, #000 42%, transparent 72%);
  -webkit-mask: radial-gradient(circle, #000 42%, transparent 72%);
  animation: dt-spin 36s linear infinite;
}

.dt-visual__ring {
  --delay: calc(var(--ring-i) * 0.55s);
  position: absolute;
  left: 50%;
  top: 50%;
  width: 88%;
  height: 22%;
  border: 1.5px solid color-mix(in srgb, var(--theme-teal) 55%, transparent);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.12);
  opacity: 0;
  animation: dt-ring 5.5s linear infinite;
  animation-delay: var(--delay);
}

.dt-visual__ring:nth-child(even) { border-color: color-mix(in srgb, var(--theme-blue) 50%, transparent); }

@keyframes dt-ring {
  0% { transform: translate(-50%, -50%) scale(0.1); opacity: 0; }
  12% { opacity: 0.85; }
  100% { transform: translate(-50%, -50%) scale(1.05); opacity: 0; }
}

.dt-visual__core,
.dt-visual__orbit-core,
.dt-visual__radar-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14%;
  height: 14%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 24px rgba(var(--rgb-green), 0.4);
  animation: dt-core 3s ease-in-out infinite;
}

@keyframes dt-core {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.1); }
}

.dt-visual__scan-line {
  position: absolute;
  left: 12%;
  right: 12%;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(var(--rgb-green), 0.85) 45%, rgba(var(--rgb-blue), 0.85) 55%, transparent);
  animation: dt-scan-line 4s ease-in-out infinite;
}

@keyframes dt-scan-line {
  0%, 100% { transform: translateY(-38%); opacity: 0.3; }
  50% { transform: translateY(38%); opacity: 0.95; }
}

.dt-visual__profile-line {
  fill: none;
  stroke: rgba(var(--rgb-green), 0.55);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 6 10;
  animation: dt-dash 12s linear infinite;
}

.dt-visual__profile-line--2 {
  stroke: rgba(var(--rgb-blue), 0.45);
  animation-duration: 16s;
  animation-direction: reverse;
}

@keyframes dt-dash { to { stroke-dashoffset: -120; } }
@keyframes dt-spin { to { transform: rotate(360deg); } }

/* Strata / slope */
.dt-visual__stage--layers { aspect-ratio: 1.15; }

.dt-visual__layer {
  position: absolute;
  left: 8%;
  right: 8%;
  top: calc(18% + var(--layer-i) * 14%);
  height: 11%;
  border-radius: 6px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--theme-green) 22%, transparent), color-mix(in srgb, var(--theme-blue) 18%, transparent));
  border: 1px solid color-mix(in srgb, var(--theme-teal) 30%, transparent);
  animation: dt-layer 5s ease-in-out infinite;
  animation-delay: calc(var(--layer-i) * 0.25s);
}

.dt-visual--slope .dt-visual__layer { transform: skewY(-6deg); }

@keyframes dt-layer {
  0%, 100% { transform: translateX(0); opacity: 0.75; }
  50% { transform: translateX(4%); opacity: 1; }
}

.dt-visual__slope-face {
  fill: color-mix(in srgb, var(--theme-green) 12%, transparent);
  stroke: rgba(var(--rgb-green), 0.55);
  stroke-width: 1.5;
}

.dt-visual__slope-crack {
  fill: none;
  stroke: rgba(var(--rgb-blue), 0.5);
  stroke-width: 1;
  stroke-dasharray: 4 6;
  animation: dt-dash 8s linear infinite;
}

/* Mesh cube */
.dt-visual__stage--cube { perspective: 700px; }

.dt-visual__cube {
  position: absolute;
  inset: 18%;
  transform-style: preserve-3d;
  animation: dt-cube 14s linear infinite;
}

@keyframes dt-cube {
  0% { transform: rotateX(-18deg) rotateY(0deg); }
  100% { transform: rotateX(-18deg) rotateY(360deg); }
}

.dt-visual__cube-face {
  position: absolute;
  inset: 0;
  border: 1.5px solid color-mix(in srgb, var(--theme-blue) 55%, transparent);
  background: color-mix(in srgb, var(--theme-green) 6%, transparent);
}

.dt-visual__cube-face--f  { transform: translateZ(50%); }
.dt-visual__cube-face--b  { transform: rotateY(180deg) translateZ(50%); }
.dt-visual__cube-face--l  { transform: rotateY(-90deg) translateZ(50%); }
.dt-visual__cube-face--r  { transform: rotateY(90deg) translateZ(50%); }
.dt-visual__cube-face--t  { transform: rotateX(90deg) translateZ(50%); }
.dt-visual__cube-face--bo { transform: rotateX(-90deg) translateZ(50%); }

/* Network */
.dt-visual__link {
  stroke: color-mix(in srgb, var(--theme-teal) 45%, transparent);
  stroke-width: 1.5;
  animation: dt-link 3s ease-in-out infinite;
}

@keyframes dt-link {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.95; }
}

/* Radar */
.dt-visual__stage--radar {
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--theme-teal) 25%, transparent);
}

.dt-visual__pulse {
  position: absolute;
  inset: 50%;
  width: 8%;
  height: 8%;
  margin: -4% 0 0 -4%;
  border-radius: 50%;
  border: 1px solid rgba(var(--rgb-green), 0.5);
  animation: dt-pulse 3.5s ease-out infinite;
  animation-delay: calc(var(--pulse-i) * 0.7s);
}

@keyframes dt-pulse {
  0% { transform: scale(1); opacity: 0.85; }
  100% { transform: scale(8); opacity: 0; }
}

.dt-visual__radar-sweep {
  position: absolute;
  inset: 0;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(var(--rgb-green), 0.18) 40deg, transparent 80deg);
  animation: dt-spin 4s linear infinite;
}

/* Wave */
.dt-visual__wave { fill: none; stroke-width: 2; stroke-linecap: round; }
.dt-visual__wave--1 { stroke: rgba(var(--rgb-green), 0.65); stroke-dasharray: 8 12; animation: dt-dash 10s linear infinite; }
.dt-visual__wave--2 { stroke: rgba(var(--rgb-blue), 0.5); animation: dt-dash 14s linear infinite reverse; }
.dt-visual__wave--3 { stroke: rgba(var(--rgb-green), 0.35); animation: dt-dash 18s linear infinite; }

/* Hex */
.dt-visual__stage--hex {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.35rem;
  align-content: center;
  padding: 10%;
}

.dt-visual__hex {
  aspect-ratio: 1.15;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: color-mix(in srgb, var(--theme-blue) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--theme-teal) 35%, transparent);
  animation: dt-hex 3.5s ease-in-out infinite;
  animation-delay: calc(var(--hex-i) * 0.15s);
}

@keyframes dt-hex {
  0%, 100% { opacity: 0.45; transform: scale(0.92); }
  50% { opacity: 1; transform: scale(1); }
}

/* Orbit */
.dt-visual__stage--orbit { display: grid; place-items: center; }

.dt-visual__orbit {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--theme-blue) 35%, transparent);
  border-radius: 50%;
  animation: dt-spin 12s linear infinite;
}

.dt-visual__orbit--1 { width: 88%; height: 32%; animation-duration: 10s; }
.dt-visual__orbit--2 { width: 68%; height: 24%; animation-duration: 14s; animation-direction: reverse; }
.dt-visual__orbit--3 { width: 48%; height: 18%; animation-duration: 8s; }

.dt-visual__sat {
  position: absolute;
  top: 0;
  left: 50%;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: var(--theme-green);
  box-shadow: 0 0 10px rgba(var(--rgb-green), 0.5);
}

.dt-visual__orbit--2 .dt-visual__sat { background: var(--theme-blue); }

/* Stream */
.dt-visual__stage--stream {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  align-items: stretch;
  aspect-ratio: 1.2;
  padding: 8% 15%;
}

.dt-visual__stream {
  flex: 1;
  max-width: 12px;
  border-radius: 999px;
  background: linear-gradient(180deg, transparent, rgba(var(--rgb-blue), 0.5), rgba(var(--rgb-green), 0.6), transparent);
  background-size: 100% 200%;
  animation: dt-stream 2.8s ease-in-out infinite;
  animation-delay: calc(var(--stream-i) * 0.18s);
}

@keyframes dt-stream {
  0% { background-position: 0 100%; }
  100% { background-position: 0 -100%; }
}

/* Scan */
.dt-visual__stage--scan {
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--theme-teal) 30%, transparent);
  overflow: hidden;
}

.dt-visual__scan-grid {
  position: absolute;
  inset: 0;
  background: var(--pattern-grid);
  opacity: 0.55;
}

.dt-visual__scan-beam {
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 35%;
  background: linear-gradient(180deg, rgba(var(--rgb-green), 0.2), transparent);
  animation: dt-scan-beam 3s ease-in-out infinite;
}

@keyframes dt-scan-beam {
  0%, 100% { transform: translateY(-20%); opacity: 0.4; }
  50% { transform: translateY(220%); opacity: 0.95; }
}

.dt-visual__scan-node {
  position: absolute;
  left: 62%;
  top: 42%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--theme-green);
  box-shadow: 0 0 0 6px rgba(var(--rgb-green), 0.15);
  animation: dt-dot 2s ease-in-out infinite;
}

/* Signal */
.dt-visual__signal-line {
  fill: none;
  stroke: rgba(var(--rgb-green), 0.65);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 420;
  animation: dt-signal 4s ease-in-out infinite;
}

@keyframes dt-signal {
  0% { stroke-dashoffset: 420; opacity: 0.4; }
  50% { stroke-dashoffset: 0; opacity: 1; }
  100% { stroke-dashoffset: -420; opacity: 0.4; }
}

/* Nodes (instructor cluster) */
.dt-visual__svg--nodes .dt-visual__link {
  stroke: rgba(var(--rgb-blue), 0.4);
  stroke-width: 1.5;
  stroke-linecap: round;
}

.dt-visual__link--flow {
  stroke-dasharray: 6 8;
  animation: dt-nodes-flow 2.8s linear infinite;
}

.dt-visual__link--flow:nth-of-type(2) { animation-delay: 0.4s; }
.dt-visual__link--flow:nth-of-type(3) { animation-delay: 0.8s; }

@keyframes dt-nodes-flow {
  to { stroke-dashoffset: -28; }
}

/* Timeline */
.dt-visual__stage--timeline { aspect-ratio: 1.3; }

.dt-visual__timeline-line {
  position: absolute;
  left: 12%;
  right: 12%;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, rgba(var(--rgb-green), 0.2), rgba(var(--rgb-blue), 0.55), rgba(var(--rgb-green), 0.2));
}

.dt-visual__tick {
  position: absolute;
  top: 50%;
  left: calc(14% + var(--tick-i) * 17%);
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  border: 2px solid var(--theme-blue);
  background: var(--color-surface);
  animation: dt-tick 2.5s ease-in-out infinite;
  animation-delay: calc(var(--tick-i) * 0.2s);
}

@keyframes dt-tick {
  0%, 100% { transform: scale(0.85); }
  50% { transform: scale(1.15); box-shadow: 0 0 12px rgba(var(--rgb-blue), 0.35); }
}

@media (max-width: 960px) {
  .page-hero-split { grid-template-columns: 1fr; text-align: center; }
  .page-hero-split .dt-visual { max-width: min(100%, 320px); margin-inline: auto; }
  .page-hero-split p[class*='__lead'],
  .page-hero-split .hero-cta,
  .page-hero-split .learning-hero__actions,
  .page-hero-split .about-hero__cta,
  .page-hero-split .faq-hero__stats,
  .page-hero-split .sw-hero__stats { margin-inline: auto; justify-content: center; }
}

@media (max-width: 640px) {
  .dt-visual__badges { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .dt-visual * { animation: none !important; }
  .dt-visual__ring {
    opacity: 0.35;
    transform: translate(-50%, -50%) scale(calc(0.22 + var(--ring-i) * 0.07));
  }
}

.search-hero.page-hero-split .search-page-form {
  justify-content: flex-start;
}

.about-hero__visual .dt-visual {
  min-height: clamp(200px, 30vw, 320px);
}