.bai-hero {
  padding-top: 128px;
  padding-bottom: 8px;
}
.bai-hero .hero-title {
  max-width: 1000px;
}
.bai-hero .hero-lede {
  max-width: 760px;
}

/* Convergence two-column */
.convergence {
  padding-top: 40px;
}
.conv-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

/* Center divider with travelling pulses */
.conv-divider {
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 50%;
  width: 1px;
  transform: translateX(-0.5px);
  pointer-events: none;
}
.conv-divider .line {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(122, 40, 203, 0.5) 18%,
    rgba(0, 210, 255, 0.5) 82%,
    transparent 100%
  );
  box-shadow: 0 0 12px rgba(122, 40, 203, 0.3);
}
.conv-divider .pulse {
  position: absolute;
  left: -3px;
  width: 7px;
  height: 7px;
  border-radius: 9999px;
  background: #fff;
  box-shadow:
    0 0 12px 3px rgba(255, 255, 255, 0.6),
    0 0 24px 6px rgba(122, 40, 203, 0.5);
}
.conv-divider .pulse.p1 {
  animation: bai-pulse-down 5.2s ease-in-out 0s infinite;
}
.conv-divider .pulse.p2 {
  animation: bai-pulse-up 5.2s ease-in-out -1.6s infinite;
  background: #dcfbff;
  box-shadow:
    0 0 12px 3px rgba(0, 210, 255, 0.65),
    0 0 24px 6px rgba(0, 210, 255, 0.45);
}
.conv-divider .pulse.p3 {
  animation: bai-pulse-down 5.2s ease-in-out -3.2s infinite;
}
@keyframes bai-pulse-down {
  0% {
    top: 4%;
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  92% {
    opacity: 1;
  }
  100% {
    top: 96%;
    opacity: 0;
  }
}
@keyframes bai-pulse-up {
  0% {
    top: 96%;
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  92% {
    opacity: 1;
  }
  100% {
    top: 4%;
    opacity: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .conv-divider .pulse {
    animation: none;
    opacity: 0;
  }
}

/* Column eyebrow with leading rule */
.col-eyebrow {
  font-family: var(--inf-font-sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.col-eyebrow::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
}
.col-eyebrow.action {
  color: #c9b4f8;
}
.col-eyebrow.action::before {
  background: linear-gradient(to right, transparent, #b584f5);
  box-shadow: 0 0 10px rgba(181, 132, 245, 0.7);
}
.col-eyebrow.memory {
  color: #9fe5ff;
}
.col-eyebrow.memory::before {
  background: linear-gradient(to right, transparent, #5cc9ff);
  box-shadow: 0 0 10px rgba(92, 201, 255, 0.7);
}

.col-h3 {
  font-family: var(--inf-font-display);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: #fff;
  margin: 0 0 12px;
}
.col-h3 .grad {
  background: linear-gradient(90deg, #b584f5, #7a28cb);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.col-h3 .grad-cyan {
  background: linear-gradient(90deg, #5cc9ff, #00d2ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.col-lede {
  font-family: var(--inf-font-sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.5;
  color: var(--inf-fg-2);
  margin: 0 0 22px;
}

/* Action rows (left column) */
.action-flow {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.action-row {
  position: relative;
  padding: 16px 22px;
  border-radius: 14px;
  background: linear-gradient(90deg, rgba(122, 40, 203, 0.1), rgba(122, 40, 203, 0));
  border: 1px solid rgba(181, 132, 245, 0.14);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.action-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 9999px;
  background: linear-gradient(180deg, #b584f5, #7a28cb);
  box-shadow: 0 0 12px rgba(122, 40, 203, 0.65);
}
.action-row .verb {
  font-family: var(--inf-font-display);
  font-weight: 600;
  font-size: 19px;
  color: #fff;
  letter-spacing: -0.005em;
}
.action-row .desc {
  font-family: var(--inf-font-sans);
  font-size: 15px;
  color: var(--inf-fg-2);
  line-height: 1.4;
}

/* Memory layers (right column) */
.memory-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.memory-layer {
  position: relative;
  padding: 16px 24px;
  border-radius: 14px;
  background:
    radial-gradient(ellipse at 0% 50%, rgba(0, 210, 255, 0.1), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(92, 201, 255, 0.16);
  overflow: hidden;
}
.memory-layer::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 9999px;
  background: linear-gradient(180deg, #5cc9ff, #00d2ff);
  box-shadow: 0 0 12px rgba(0, 210, 255, 0.55);
}
.memory-layer .m-label {
  font-family: var(--inf-font-display);
  font-weight: 600;
  font-size: 19px;
  color: #fff;
  letter-spacing: -0.005em;
  margin-bottom: 4px;
}
.memory-layer .m-sub {
  font-family: var(--inf-font-sans);
  font-size: 15px;
  color: var(--inf-fg-2);
  line-height: 1.4;
}

@media (max-width: 820px) {
  .conv-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .conv-divider {
    display: none;
  }
}

/* ============================================================
   Heading-hierarchy shim + extracted-from-inline styles
   ============================================================ */

/* Feature card titles in .grid-4 (was h4 at browser-default ~16px, now h3).
   .card h3 in styles.css sets 22px — override here to preserve visual size. */
.card-feature-title {
  font-family: var(--inf-font-display);
  font-weight: 600;
  font-size: 16px;
  margin: 20px 0 10px;
  letter-spacing: -0.01em;
  color: #fff;
  line-height: 1.2;
}

/* Grid-4 top margin */
.grid-4--product {
  margin-top: 48px;
}
