.hero-our-story{
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background-image: url("https://cdn.propelholdings.com/web/v3/heros/our-story-hero.webp");
  background-size: cover;
  background-position: top;
  background-repeat: no-repeat;
  color: var(--hero-text);
}

.section-underserved .section-inner-content {
  max-width: 620px;
  width: 100%;
}

.underserved-panel {
  background: #001b3d;
  padding: 3rem;
}

.underserved-image-wrap {
  width: 100%;
  max-width: 540px;
}

.underserved-image {
  width: 100%;
  aspect-ratio: 0.88 / 1;
  object-fit: cover;
  border-radius: 20px;
  display: block;
}

@media (max-width: 991.98px) {
  .section-underserved .row.min-vh-100 {
    min-height: auto !important;
  }

  .section-underserved .section-inner-content {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .underserved-panel {
    padding: 2rem 1.5rem 3rem;
  }

  .underserved-image-wrap {
    max-width: 100%;
  }
}

.section-who-we-serve .section-inner-content {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
}

.section-who-we-serve .serve-stats-panel {
  min-height: 100%;
  display: flex;
  align-items: center;
  background: #121245;
  padding: 48px 64px;
}

.section-who-we-serve .serve-stats-inner {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.serve-stat-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0 0 40px;
}

.serve-stat-value {
  display: block;
  margin: 0 0 0.25rem;
  font-size: clamp(2.6rem, 4.4vw, 4.4rem);
  line-height: 0.92;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #ffffff;
}

.serve-stat-label {
  display: block;
  font-size: clamp(1.2rem, 1.7vw, 2rem);
  line-height: 1.08;
  color: #ffffff;
}

.stats-footnotes p {
  font-size: 0.95rem;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.42);
}

/* mobile/tablet */
@media (max-width: 991.98px) {
  .section-who-we-serve .row.min-vh-100 {
    min-height: auto !important;
  }

  .section-who-we-serve .section-inner-content {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .section-who-we-serve .serve-stats-panel {
    padding: 32px 24px 48px;
  }
}

#platformNumbers .platform-card {
  justify-content: flex-start;
}

#platformNumbers .platform-number {
  min-height: 4rem;
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

#platformNumbers .platform-label {
  min-height: 3rem;
}

.section-ai-tech {
  background: #f8f8f8;
}

.section-ai-tech .section-inner-content > p {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.section-ai-tech .tech-stack-img {
  width: 100%;
  object-fit: contain;
  display: block;
}

.section-ai-tech .card-opaque {
  text-align: left;
}

@media (max-width: 991.98px) {
  .section-ai-tech .row.min-vh-100 {
    min-height: auto !important;
  }

  .section-ai-tech .tech-stack-img {
    max-width: 200px;
  }
}

.section-platform-numbers {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  background-image: url("https://cdn.propelholdings.com/web/v3/our-story-platforms.webp");
  background-size: cover;
  background-position: bottom;
  background-repeat: no-repeat;
  color: var(--hero-text);
}

.section-platform-numbers::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 55%, rgba(255,255,255,0.9), rgba(255,255,255,0) 45%),
    linear-gradient(120deg, rgba(255,255,255,0) 38%, rgba(215,219,226,0.28) 54%, rgba(255,255,255,0) 68%),
    linear-gradient(145deg, rgba(255,255,255,0) 58%, rgba(226,229,235,0.75) 78%, rgba(255,255,255,0) 94%);
  pointer-events: none;
}

.section-platform-numbers .section-inner-content {
  position: relative;
  z-index: 1;
}

.section-platform-numbers .card-opaque {
  border-radius: 24px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.platform-number {
  color: #3a3c98;
  font-size: 3rem;
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

@media (max-width: 991.98px) {
  .section-platform-numbers .row.min-vh-100 {
    min-height: auto !important;
  }

  .section-platform-numbers {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .section-platform-numbers .card-opaque {
    min-height: auto;
  }
}

.section-history {
  position: relative;
  height: 285vh;
  background: linear-gradient(90deg, #001731 0%, #012a4d 50%, #001731 100%);
  overflow: clip;
}

.history-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

.section-history .section-inner-content {
  padding: 4.5rem 0 3rem;
}

.history-title {
  color: #ffffff;
}

.history-viewport {
  --history-track-width: min(850px, 100%);
  --history-year-width: 350px;
  --history-marker-width: 40px;

  position: relative;
  height: calc(100vh - 165px);
  overflow: hidden;
  isolation: isolate;
}

.history-track {
  will-change: transform;
  padding-bottom: 5rem;
  max-width: var(--history-track-width);
  margin: 0 auto;
}

.history-row {
  display: grid;
  grid-template-columns: var(--history-year-width) var(--history-marker-width) minmax(260px, 1fr);
  align-items: center;
  min-height: 120px;
}

.history-row + .history-row {
  margin-top: 2.5rem;
}

.history-year,
.history-copy {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}

.history-copy {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 1.25rem;
  font-weight: 300;
  color: #fff;
  transition-delay: 0.12s;
}

.history-icon-img {
  width: auto;
  height: 30px;
  object-fit: contain;
  display: block;
}

.history-row.is-visible .history-year,
.history-row.is-visible .history-copy {
  opacity: 1;
  transform: translateY(0);
}

.history-year {
  text-align: right;
  padding-right: 0.2rem;
}

.history-year h3 {
  margin: 0;
  color: rgba(255, 255, 255, 0.45);
  font-size: clamp(1.8rem, 2.2vw, 2.8rem);
  font-weight: 700;
  line-height: 1;
}

.history-row-group {
  align-items: start;
}

.history-copy-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.history-row-group .history-year,
.history-row-group .history-marker {
  align-self: center;
}

@media (max-width: 991.98px) {
  .history-copy-stack {
    gap: 0.75rem;
  }
}

.history-marker {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
}

.history-marker span {
  width: 16px;
  height: 16px;
  background: #ffffff;
  border-radius: 50%;
  position: relative;
  z-index: 4;
}

.history-copy p {
  margin: 0;
  color: #ffffff;
  max-width: 340px;
}

.history-icon {
  width: 60px;
  height: 60px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.history-icon .material-symbols-outlined {
  color: #ffffff;
  font-size: 30px;
  line-height: 1;
}

.history-line {
  position: absolute;
  top: 1.5rem;
  bottom: 0;
  left: calc(
    ((100% - var(--history-track-width)) / 2) +
    var(--history-year-width) +
    (var(--history-marker-width) / 2)
  );
  width: 3px;
  background: rgba(110, 153, 198, 0.45);
  z-index: -1;
}

@media (max-width: 991.98px) {
  .section-history {
    height: auto;
  }

  .history-sticky {
    position: relative;
    height: auto;
    padding: 4rem 0;
  }

  .section-history .section-inner-content {
    padding: 0;
  }

  .history-viewport {
    --history-track-width: 100%;
    --history-year-width: 80px;
    --history-marker-width: 28px;

    height: auto;
    overflow: visible;
    padding-top: 0;
  }

  .history-track {
    transform: none !important;
    padding-bottom: 2rem;
    max-width: 100%;
  }

  .history-row {
    grid-template-columns: var(--history-year-width) var(--history-marker-width) 1fr;
    gap: 0.75rem;
    min-height: auto;
  }

  .history-row + .history-row {
    margin-top: 5rem;
  }

  .history-year,
  .history-copy {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .history-year {
    padding-right: 0.1rem;
  }

  .history-year h3 {
    font-size: 1.5rem;
  }

  .history-copy {
    gap: 1.5rem;
  }

  .history-copy p {
    max-width: none;
  }

  .history-icon {
    width: 50px;
    height: 50px;
  }

  .history-icon-img {
     height: 25px;
     width: auto;
  }

  .history-icon .material-symbols-outlined {
    font-size: 25px;
  }

  .history-marker span {
    width: 12px;
    height: 12px;
  }

  .history-line {
    left: calc(var(--history-year-width) + (var(--history-marker-width) / 2) + 10px);
    top: 1rem;
    bottom: 1rem;
    width: 3px;
    z-index: -1;
  }
}
.section-why-invest{
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background-image: url("https://cdn.propelholdings.com/web/v3/our-story-become-investor.webp");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  color: var(--hero-text);
}