/* =========================================================
   Vision sections — Reality Crossing + Intelligence Flow
   ========================================================= */

.reality-crossing {
  --v-ease: cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  width: 100%;
  overflow: hidden;
  color: #f2efe8;
}

body.cdv1 {
  overflow-x: hidden;
}

/* ——— Reality Crossing ——— */
.reality-crossing {
  min-height: 100svh;
  background: #070707;
  --bound-x: 0px;
  --bound-glow: 0.22;
  --bound-bright: 0.55;
  --shard-op: 0;
  --white-bloom: 0;
  display: flex;
  align-items: center;
}

.reality-copy {
  position: relative;
  z-index: 3;
  max-width: 620px;
  margin: 0;
  padding: clamp(5.5rem, 12vh, 8rem) 0;
  left: clamp(64px, 9vw, 170px);
}

.reality-image-layer {
  position: absolute;
  inset: -2%;
  z-index: 0;
  transform: scale(1.025);
  transition: transform 1800ms var(--v-ease);
  will-change: transform;
}

.reality-crossing.is-in .reality-image-layer {
  transform: scale(1) translate3d(var(--parallax-x, 0px), 0, 0);
}

.reality-image-layer img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
}

.reality-dark-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0,0,0,0.42) 0%, rgba(0,0,0,0.18) 38%, transparent 52%);
  opacity: 0.85;
  transition: opacity 700ms var(--v-ease);
  pointer-events: none;
}

.reality-crossing.is-in .reality-dark-layer {
  opacity: calc(0.85 - var(--white-bloom) * 0.25);
}

.reality-boundary {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 48.5%;
  z-index: 2;
  width: 48px;
  margin-left: -24px;
  transform: translate3d(var(--bound-x), 0, 0);
  transition: transform 700ms var(--v-ease);
  pointer-events: none;
}

.reality-boundary__core {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: linear-gradient(
    180deg,
    rgba(255, 43, 36, 0.15) 0%,
    #ff2b24 18%,
    #ff493f 50%,
    #ff2b24 82%,
    rgba(255, 43, 36, 0.15) 100%
  );
  opacity: var(--bound-bright);
  box-shadow: 0 0 10px rgba(255, 43, 36, calc(var(--bound-glow) * 0.9));
}

.reality-boundary__glow {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 36px;
  margin-left: -18px;
  background: radial-gradient(ellipse at center, rgba(255, 73, 63, 0.35) 0%, transparent 70%);
  opacity: var(--bound-glow);
  filter: blur(1px);
}

.reality-boundary::after {
  content: "";
  position: absolute;
  top: 18%;
  bottom: 18%;
  left: 52%;
  width: calc(28px + var(--white-bloom) * 40px);
  background: linear-gradient(90deg, rgba(255,255,255,0.18), transparent);
  opacity: calc(0.2 + var(--white-bloom) * 0.55);
  pointer-events: none;
}

.reality-shards {
  position: absolute;
  inset: 0;
  opacity: var(--shard-op);
  transition: opacity 400ms var(--v-ease);
}

.reality-shard {
  position: absolute;
  height: 1px;
  background: rgba(255, 80, 70, 0.7);
  transform: translateX(0);
  animation: shard-drift 1.8s var(--v-ease) both;
}

@keyframes shard-drift {
  from { transform: translateX(-18px); opacity: 0; }
  30% { opacity: 1; }
  to { transform: translateX(28px); opacity: 0; }
}

.reality-kicker,
.reality-title,
.reality-en,
.reality-body,
.reality-motto {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms var(--v-ease), transform 700ms var(--v-ease);
}

.reality-crossing.is-in .reality-kicker {
  opacity: 0.62;
  transform: none;
  transition-delay: 0ms;
}
.reality-crossing.is-in .reality-title {
  opacity: 1;
  transform: none;
  transition-delay: 150ms;
}
.reality-crossing.is-in .reality-en {
  opacity: 0.7;
  transform: none;
  transition-delay: 300ms;
}
.reality-crossing.is-in .reality-body {
  opacity: 0.88;
  transform: none;
  transition-delay: 450ms;
}
.reality-crossing.is-in .reality-motto {
  opacity: 0.45;
  transform: none;
  transition-delay: 600ms;
}

.reality-kicker {
  margin: 0 0 1.1rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.reality-title {
  margin: 0;
  font-size: clamp(48px, 5vw, 82px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.reality-en {
  margin: 1.1rem 0 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(18px, 1.4vw, 22px);
  font-weight: 400;
  letter-spacing: 0.28em;
}

.reality-body {
  margin: 1.6rem 0 0;
  font-size: clamp(18px, 1.35vw, 22px);
  line-height: 1.7;
  color: rgba(242, 239, 232, 0.86);
  max-width: 22em;
}

.reality-motto {
  margin: 2.2rem 0 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

/* ——— Intelligence Flow ——— */
.intelligence-flow {
  min-height: 110svh;
  background: #050505;
  --flow-converge: 0;
  --flow-center-op: 0.45;
  --flow-center-scale: 0.985;
  --flow-ai-dim: 1;
}

.flow-image-layer {
  position: absolute;
  inset: -3%;
  z-index: 0;
  transform: scale(1.03);
  transition: transform 2s var(--v-ease);
}

.intelligence-flow.is-in .flow-image-layer {
  transform: scale(1);
}

.flow-image-layer img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
}

.flow-trail-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.flow-spark {
  position: absolute;
  height: 1px;
  width: 18%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.55), transparent);
  opacity: 0;
  top: 46%;
}

.flow-spark--a {
  left: -20%;
  animation: spark-pass 14s linear 2s infinite;
}
.flow-spark--b {
  top: 58%;
  left: auto;
  right: -20%;
  width: 14%;
  background: linear-gradient(90deg, transparent, rgba(255, 70, 60, 0.45), transparent);
  animation: spark-pass-rev 16s linear 6s infinite;
}
.flow-spark--c {
  top: 40%;
  left: -20%;
  width: 10%;
  animation: spark-pass 11s linear 10s infinite;
}

@keyframes spark-pass {
  0% { opacity: 0; transform: translateX(0); }
  8% { opacity: 0.55; }
  45% { opacity: 0.2; }
  70% { opacity: 0; transform: translateX(140vw); }
  100% { opacity: 0; transform: translateX(140vw); }
}
@keyframes spark-pass-rev {
  0% { opacity: 0; transform: translateX(0); }
  10% { opacity: 0.4; }
  55% { opacity: 0; transform: translateX(-140vw); }
  100% { opacity: 0; transform: translateX(-140vw); }
}

.flow-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 22vh;
  z-index: 2;
  background: linear-gradient(180deg, transparent, #ebe6dc);
  opacity: calc(0.15 + var(--flow-converge) * 0.85);
  pointer-events: none;
}

.flow-head {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: clamp(4.5rem, 10vh, 7rem) 1.25rem 2rem;
}

.flow-eyebrow {
  margin: 0 0 1.1rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(242, 239, 232, 0.38);
}

.flow-title {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(2rem, 4.2vw, 3.9rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.flow-sub {
  margin: 1rem 0 0;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(242, 239, 232, 0.62);
}

.flow-orbits {
  position: relative;
  z-index: 3;
  height: clamp(220px, 34vh, 340px);
  margin: 1rem 0 2rem;
  overflow: hidden;
}

.flow-orbit {
  position: absolute;
  left: 0;
  right: 0;
  overflow: hidden;
  opacity: calc(0.55 * var(--flow-ai-dim));
  transition: opacity 500ms var(--v-ease), transform 900ms var(--v-ease);
}

.flow-orbit--l1 { top: 12%; transform: translateX(calc(var(--flow-converge) * 4%)); }
.flow-orbit--l2 { top: 48%; transform: translateX(calc(var(--flow-converge) * 3%)); }
.flow-orbit--r1 { top: 28%; transform: translateX(calc(var(--flow-converge) * -4%)); }
.flow-orbit--r2 { top: 68%; transform: translateX(calc(var(--flow-converge) * -3%)); }

.flow-orbit--m1,
.flow-orbit--m2 { display: none; }

.flow-orbit__track {
  display: flex;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  width: max-content;
  will-change: transform;
}

.flow-orbit--l1 .flow-orbit__track { animation: orbit-l 23s linear infinite; }
.flow-orbit--l2 .flow-orbit__track { animation: orbit-l 31s linear infinite; }
.flow-orbit--r1 .flow-orbit__track { animation: orbit-r 27s linear infinite; }
.flow-orbit--r2 .flow-orbit__track { animation: orbit-r 18s linear infinite; }

.flow-orbit.is-slow .flow-orbit__track {
  animation-duration: 48s;
}

@keyframes orbit-l {
  from { transform: translateX(-5%); }
  to { transform: translateX(-55%); }
}
@keyframes orbit-r {
  from { transform: translateX(-45%); }
  to { transform: translateX(5%); }
}

.flow-ai {
  display: inline-flex;
  align-items: baseline;
  gap: 0.65rem;
  white-space: nowrap;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: rgba(242, 239, 232, 0.72);
  cursor: default;
  transition: opacity 350ms var(--v-ease), transform 450ms var(--v-ease), color 350ms var(--v-ease);
}

.flow-ai b {
  font-weight: 500;
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  letter-spacing: 0.04em;
}

.flow-ai i {
  font-style: normal;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.38;
  transition: opacity 350ms var(--v-ease);
}

.intelligence-flow.is-dim .flow-ai {
  opacity: 0.85;
}

.flow-ai.is-hot {
  opacity: 1 !important;
  transform: scale(1.035);
  color: #fff;
}

.flow-ai.is-hot i {
  opacity: 0.85;
}

.flow-center {
  position: relative;
  z-index: 4;
  text-align: center;
  padding: 0 1.25rem 5rem;
  transform: scale(var(--flow-center-scale));
  opacity: var(--flow-center-op);
  transition: opacity 700ms var(--v-ease), transform 900ms var(--v-ease);
}

.flow-workflow {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  letter-spacing: 0.45em;
  text-transform: uppercase;
}

.flow-workflow-zh {
  margin: 0.85rem 0 0;
  font-size: 1rem;
  color: rgba(242, 239, 232, 0.72);
}

.flow-workflow-en {
  margin: 0.55rem 0 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.45;
}

.flow-story {
  margin: 2.5rem auto 0;
  max-width: 18em;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 700ms var(--v-ease), transform 700ms var(--v-ease);
}

.intelligence-flow.is-story .flow-story {
  opacity: 1;
  transform: none;
}

.flow-story p {
  margin: 0 0 0.55rem;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.55;
  font-weight: 500;
}

/* Mobile */
@media (max-width: 768px) {
  .reality-crossing {
    min-height: 92svh;
    align-items: flex-end;
  }

  .reality-copy {
    left: 22px;
    right: 22px;
    padding: 0 0 14vh;
    max-width: none;
  }

  .reality-title {
    font-size: clamp(34px, 9vw, 42px);
  }

  .reality-en {
    font-size: 14px;
    letter-spacing: 0.18em;
  }

  .reality-body {
    font-size: 16px;
  }

  .reality-boundary {
    left: 42%;
  }

  .intelligence-flow {
    min-height: 100svh;
  }

  .flow-title {
    font-size: clamp(32px, 8vw, 38px);
  }

  .flow-orbit--l1,
  .flow-orbit--l2,
  .flow-orbit--r1,
  .flow-orbit--r2 {
    display: none;
  }

  .flow-orbit--m1,
  .flow-orbit--m2 {
    display: block;
  }

  .flow-orbit--m1 { top: 18%; }
  .flow-orbit--m2 { top: 58%; }

  .flow-orbit--m1 .flow-orbit__track { animation: orbit-l 22s linear infinite; }
  .flow-orbit--m2 .flow-orbit__track { animation: orbit-r 26s linear infinite; }

  .flow-orbits {
    height: 180px;
  }

  .flow-ai i { display: none; }

  .flow-center {
    padding-bottom: 4rem;
  }

  .flow-fade {
    height: 18vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reality-image-layer,
  .flow-image-layer,
  .reality-kicker,
  .reality-title,
  .reality-en,
  .reality-body,
  .reality-motto,
  .flow-orbit__track,
  .flow-spark {
    transition: none !important;
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
  .reality-crossing {
    --bound-x: 0px;
    --parallax-x: 0px;
  }
  .flow-story {
    opacity: 1;
    transform: none;
  }
}