/*
  ProgramsSection component: four program cards as a step path.
  <768px: one column with a vertical timeline · 768–1079px: 2×2, step circles only ·
  ≥1080px (each card ≥ 230px): four in a row joined by a line with chevrons.
*/

.inc-pg {
  padding: var(--space-section) 0;
  background: var(--bba-paper);
  color: var(--bba-ink);
  font-family: var(--bba-font);
}

.inc-pg__wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.inc-pg__head {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.inc-pg__title {
  margin: 0;
  font-size: clamp(1.875rem, 1.4rem + 2vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.inc-pg__intro {
  max-width: 680px;
  margin: 20px auto 0;
  color: var(--bba-muted);
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);
  line-height: 1.55;
}

/* Steps */
.inc-pg__steps {
  --gap: 20px;
  --dot: 36px;
  display: grid;
  gap: var(--gap);
  margin: var(--space-intro) 0 0;
  padding: 0;
  list-style: none;
}

.inc-pg__step {
  position: relative;
  display: grid;
  grid-template-columns: var(--dot) minmax(0, 1fr);
  column-gap: 14px;
}

.inc-pg__num {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--dot);
  height: var(--dot);
  border: 1.5px solid var(--bba-accent);
  border-radius: 50%;
  background: var(--bba-paper);
  color: var(--bba-accent-ink);
  font-size: 14px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.inc-pg__step--destination .inc-pg__num {
  border-color: var(--bba-accent-ink);
  background: var(--bba-accent-ink);
  color: var(--bba-on-accent);
}

/* Connector: one segment per step, from its circle to the next. Vertical on phones. */
.inc-pg__link {
  position: absolute;
  top: var(--dot);
  left: calc(var(--dot) / 2 - 0.75px);
  width: 1.5px;
  height: calc(100% + var(--gap) - var(--dot));
  background: var(--bba-line-strong);
  transform-origin: top;
}

.inc-pg__chevron {
  display: none;
}

/* Card */
.inc-pg__card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--bba-line);
  border-radius: 20px;
  background: var(--bba-card);
  box-shadow: 0 1px 2px rgba(17, 17, 17, 0.04), 0 8px 24px -16px rgba(17, 17, 17, 0.12);
  overflow: hidden;
  transition: transform 250ms var(--bba-ease), box-shadow 250ms var(--bba-ease);
}

/* Founder Powerhouse is the destination: an accent top edge and a soft glow. */
.inc-pg__step--destination .inc-pg__card {
  border-color: color-mix(in srgb, var(--bba-accent) 40%, var(--bba-line));
  box-shadow: 0 1px 2px rgba(17, 17, 17, 0.04), 0 14px 36px -18px color-mix(in srgb, var(--bba-accent) 55%, transparent);
}

.inc-pg__step--destination .inc-pg__card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--bba-accent);
}

.inc-pg__card-body {
  padding: 24px 22px 20px;
}

.inc-pg__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.inc-pg__step-label {
  color: var(--bba-accent-ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.inc-pg__badge {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bba-accent-ink);
  color: var(--bba-on-accent);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}

.inc-pg__name {
  margin: 12px 0 0;
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.inc-pg__tagline {
  margin: 8px 0 0;
  color: var(--bba-muted);
  font-size: 15px;
  font-style: italic;
  line-height: 1.5;
}

.inc-pg__label {
  margin: 0 0 6px;
  color: var(--bba-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.inc-pg__upgrade {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--bba-line);
}

.inc-pg__text {
  margin: 0;
  color: var(--bba-ink);
  font-size: 15px;
  line-height: 1.55;
}

/* "Incubator Edge": tinted strip pinned to the foot of every card. */
.inc-pg__edge {
  margin-top: auto;
  padding: 16px 22px 20px;
  border-top: 1px solid var(--bba-line);
  background: color-mix(in srgb, var(--bba-accent) 6%, var(--bba-card));
}

.inc-pg__edge .inc-pg__text {
  font-weight: 600;
}

/* Under the cards */
.inc-pg__foot {
  margin-top: 40px;
  text-align: center;
}

.inc-pg__note {
  max-width: 620px;
  margin: 0 auto;
  color: var(--bba-muted);
  font-size: 16px;
  line-height: 1.55;
}

.inc-pg__cta {
  width: 100%;
  margin-top: 20px;
  white-space: normal;
}

@media (min-width: 640px) {
  .inc-pg__wrap {
    padding: 0 32px;
  }

  .inc-pg__cta {
    width: auto;
  }
}

/* 2×2 in step order; circles sit above each card and the connector is hidden. */
@media (min-width: 768px) {
  .inc-pg__steps {
    --gap: 24px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .inc-pg__step {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .inc-pg__card {
    flex: 1;
  }

  .inc-pg__link {
    display: none;
  }
}

@media (min-width: 1024px) {
  .inc-pg__wrap {
    padding: 0 48px;
  }
}

/* Four in a row, joined left to right: Assess → Build → Sharpen → Scale. */
@media (min-width: 1080px) {
  .inc-pg__steps {
    --gap: 20px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .inc-pg__link {
    display: block;
    top: calc(var(--dot) / 2 - 0.75px);
    left: var(--dot);
    width: calc(100% + var(--gap) - var(--dot));
    height: 1.5px;
    transform-origin: left;
  }

  .inc-pg__chevron {
    position: absolute;
    top: 50%;
    /* Inside the segment, which ends at the next circle: the gap between the cards is its last --gap. */
    left: calc(100% - var(--gap) / 2);
    display: block;
    width: 14px;
    height: 14px;
    padding: 0 2px;
    background: var(--bba-paper);
    color: var(--bba-accent-ink);
    transform: translate(-50%, -50%);
  }

  .inc-pg__card-body {
    padding: 24px 20px 20px;
  }

  .inc-pg__edge {
    padding: 16px 20px 20px;
  }
}

@media (hover: hover) and (min-width: 1080px) {
  .inc-pg__card:hover {
    transform: translateY(-4px);
  }
}

/* Scroll-in motion (reveal.js): the connector draws segment by segment over ~1s, cards rise in order. */
@keyframes inc-pg-grow-y {
  from { transform: scaleY(0); }
  to { transform: none; }
}

@keyframes inc-pg-grow-x {
  from { transform: scaleX(0); }
  to { transform: none; }
}

.inc-pg__steps[data-armed] .inc-pg__card {
  animation: inc-rise 500ms var(--bba-ease) both;
  animation-delay: calc(var(--i, 0) * 100ms);
}

.inc-pg__steps[data-armed] .inc-pg__link {
  animation: inc-pg-grow-y 340ms ease-out both;
  animation-delay: calc(var(--i, 0) * 330ms);
}

.inc-pg__steps[data-armed] .inc-pg__chevron {
  animation: inc-fade 250ms ease both;
  animation-delay: calc(var(--i, 0) * 330ms + 340ms);
}

@media (min-width: 1080px) {
  .inc-pg__steps[data-armed] .inc-pg__link {
    animation-name: inc-pg-grow-x;
  }
}

.inc-pg__steps[data-armed]:not([data-in]) .inc-pg__card,
.inc-pg__steps[data-armed]:not([data-in]) .inc-pg__link,
.inc-pg__steps[data-armed]:not([data-in]) .inc-pg__chevron {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  .inc-pg__card {
    transition: none;
  }

  .inc-pg__card:hover {
    transform: none;
  }
}