/* home_ui_v3 — cinematic home */

/* Scene layer */
.scene-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.scene-layer canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Keeps copy readable where it sits over the model */
.scene-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(244, 248, 249, 0.92) 0%,
    rgba(244, 248, 249, 0.7) 24%,
    rgba(244, 248, 249, 0.12) 44%,
    rgba(244, 248, 249, 0) 58%
  );
}

.scene-fallback {
  position: absolute;
  left: 50%;
  bottom: 6vh;
  width: min(70rem, 92vw);
  transform: translateX(-50%);
  opacity: 0.55;
  display: none;
}

body.scene-off .scene-fallback { display: block; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 0 5rem;
}

.hero-inner { max-width: 47rem; }

.hero-title {
  margin: 1.1rem 0 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.hero-title span {
  background: linear-gradient(105deg, var(--spring-deep), var(--spring) 40%, var(--aqua));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin: 0 0 2rem;
  max-width: 36rem;
  font-size: 1.1rem;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero-readout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.25rem;
  padding: 1.1rem 1.3rem;
  max-width: 41rem;
}

.readout-item + .readout-item { border-left: 1px solid var(--line); padding-left: 1.1rem; }

.readout-item span {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.25rem;
}

.readout-item strong {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  color: var(--spring-deep);
}

.readout-item strong i { font-style: normal; font-variant-numeric: tabular-nums; }

.tone-water strong,
strong.tone-water,
.tone-water dd { color: var(--water); }

.tone-temp strong,
strong.tone-temp,
.tone-temp dd { color: var(--temp); }

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.75rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.scroll-cue i {
  width: 1px;
  height: 2.6rem;
  background: linear-gradient(180deg, var(--spring), transparent);
  animation: cueRun 2.2s var(--ease) infinite;
}

@keyframes cueRun {
  0% { transform: scaleY(0.2); transform-origin: top; opacity: 0; }
  40% { opacity: 1; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

/* Flythrough stage */
.stage {
  position: relative;
  height: 520vh;
}

.stage-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
}

.stage-grid {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 30rem);
  gap: 2rem;
  align-items: center;
}

.station-rail {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}

.station-rail li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.3rem 0 0.3rem 0.7rem;
  border-left: 2px solid var(--line-strong);
  font-size: 0.82rem;
  color: var(--ink-faint);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.station-rail li b {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
}

.station-rail li.is-active {
  color: var(--ink);
  border-color: var(--spring);
}

.station-panels {
  position: relative;
  min-height: 25rem;
}

.station {
  position: absolute;
  inset: 0;
  padding: 1.75rem 1.85rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(26px) scale(0.985);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out), visibility 0.55s;
}

.station.is-active {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.station-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--spring-deep);
  margin-bottom: 0.85rem;
}

.station h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.station p {
  margin: 0 0 1.4rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.station-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 0 0 1.4rem;
  padding: 0.9rem 0 0;
  border-top: 1px solid var(--line);
}

.station-stats dt {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.2rem;
}

.station-stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  color: var(--spring-deep);
}

.station-stats dd i { font-style: normal; font-variant-numeric: tabular-nums; }

/* Everything after the stage sits on a near-solid sheet */
.rest {
  position: relative;
  background: rgba(244, 248, 249, 0.94);
}

.rest::before {
  content: "";
  position: absolute;
  top: -8rem;
  left: 0;
  right: 0;
  height: 8rem;
  background: linear-gradient(180deg, rgba(244, 248, 249, 0), rgba(244, 248, 249, 0.94));
  pointer-events: none;
}

/* Bento */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.cell {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.5rem 1.4rem 1.35rem;
}

.cell-lead { grid-column: span 4; }
.cell-wide { grid-column: span 4; }

.cell-index {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--spring);
}

.cell h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.cell-lead h3,
.cell-wide h3 { font-size: 1.55rem; }

.cell p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
  flex: 1;
}

.cell-go {
  margin-top: 0.65rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--spring-deep);
}

.cell-go::after {
  content: " →";
  transition: margin 0.25s var(--ease);
}

.cell:hover .cell-go::after { margin-left: 0.25rem; }

/* Pulse */
.pulse-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.5rem;
  align-items: center;
}

.pulse-grid .section-head { margin-bottom: 0; }
.pulse-grid .btn { margin-top: 1.5rem; }

.pulse-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.pulse-card {
  padding: 1.1rem 1.2rem 0.9rem;
  color: var(--spring-deep);
}

.pulse-card header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.74rem;
  color: var(--ink-soft);
}

.pulse-card header em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.pulse-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.pulse-card strong i { font-style: normal; font-variant-numeric: tabular-nums; }

.pulse-card strong small {
  margin-left: 0.25rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-faint);
}

.pulse-card.tone-water { color: var(--water); }
.pulse-card.tone-temp { color: var(--temp); }

.spark {
  display: block;
  width: 100%;
  height: 2.1rem;
  margin-top: 0.5rem;
  opacity: 0.85;
}

.counters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 3.5rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--line);
}

.counter strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  background: linear-gradient(120deg, var(--spring-deep), var(--aqua));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.counter span {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

/* Tally conduit */
.conduit {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.85rem 1.75rem;
}

.conduit-node {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 8.5rem;
}

.conduit-node b {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.conduit-node span {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.conduit-end b {
  background: linear-gradient(120deg, var(--spring-deep), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.conduit-pipe {
  position: relative;
  flex: 1;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(20, 194, 122, 0.18), rgba(33, 184, 212, 0.3));
  overflow: hidden;
}

.conduit-pipe i {
  position: absolute;
  top: 50%;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  margin-top: -0.21rem;
  border-radius: 50%;
  background: var(--spring);
  box-shadow: 0 0 10px rgba(20, 194, 122, 0.8);
  animation: packetRun 2.6s linear infinite;
}

.conduit-pipe i:nth-child(2) { animation-delay: 0.85s; }
.conduit-pipe i:nth-child(3) { animation-delay: 1.7s; }

@keyframes packetRun {
  from { transform: translateX(-1rem); opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  to { transform: translateX(calc(100% + 1rem)); opacity: 0; }
}

.voucher-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.voucher-row li {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--glass-strong);
  border: 1px solid var(--glass-line);
  box-shadow: var(--lift-1);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Platform slabs */
.slabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.slab {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.75rem 1.5rem;
}

.slab-mark {
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  color: var(--spring-deep);
  background: linear-gradient(145deg, rgba(155, 225, 93, 0.28), rgba(33, 184, 212, 0.22));
}

.slab h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.slab-go {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--spring-deep);
}

.slab-go::after { content: " →"; }

/* Closer */
.closer {
  padding: 3rem 2.5rem;
  text-align: center;
}

.closer h2 {
  margin: 0 auto 0.75rem;
  max-width: 24rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.06;
}

.closer p {
  margin: 0 auto 1.75rem;
  max-width: 32rem;
  color: var(--ink-soft);
}

.closer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* Responsive */
@media (max-width: 1100px) {
  .bento { grid-template-columns: repeat(4, 1fr); }
  .cell-lead, .cell-wide { grid-column: span 4; }
  .pulse-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .hero { min-height: auto; padding: 6.5rem 0 3.5rem; }
  .hero-readout { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .readout-item + .readout-item { border-left: 0; padding-left: 0; }
  .scroll-cue { display: none; }

  .stage { height: auto; }
  .stage-sticky {
    position: static;
    height: auto;
    display: block;
    padding: 1rem 0 3rem;
  }
  .stage-grid { grid-template-columns: 1fr; }
  .station-rail { display: none; }
  .station-panels { min-height: 0; display: grid; gap: 1rem; }
  .station {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .slabs { grid-template-columns: 1fr; }
  .counters { grid-template-columns: 1fr 1fr; }
  .conduit { flex-direction: column; align-items: stretch; text-align: left; }
  .conduit-pipe { height: 2.2rem; width: 2px; align-self: center; }
  .conduit-pipe i { animation-name: packetDrop; }

  @keyframes packetDrop {
    from { transform: translateY(-1rem); opacity: 0; }
    15% { opacity: 1; }
    85% { opacity: 1; }
    to { transform: translateY(2.4rem); opacity: 0; }
  }
}

@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .cell, .cell-lead, .cell-wide { grid-column: span 1; }
  .pulse-cards { grid-template-columns: 1fr; }
  .counters { grid-template-columns: 1fr; }
  .closer { padding: 2.25rem 1.35rem; }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cue i,
  .conduit-pipe i { animation: none; }
  .station { transition: none; }
}