.scroll-study {
  --scroll-study-progress: 0;
  position: relative;
  height: 330svh;
  background: var(--ivory);
  color: var(--navy);
}

.scroll-study__stage {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 36rem;
  overflow: hidden;
}

.scroll-study__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: var(--stage-width);
  height: 100%;
  margin-inline: auto;
  padding: clamp(5rem, 8vw, 8rem) var(--stage-inset);
}

.scroll-study__eyebrow {
  position: absolute;
  top: clamp(7rem, 11vh, 10rem);
  left: var(--stage-inset);
  margin: 0;
  color: var(--navy-soft);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .15em;
  line-height: 1.3;
  text-transform: uppercase;
}

.scroll-study__title {
  margin: 0;
  font-size: clamp(3.4rem, 7.4vw, 9.5rem);
  font-weight: 400;
  letter-spacing: -.065em;
  line-height: .99;
}

.scroll-study__line {
  display: block;
  overflow: hidden;
  padding-bottom: .09em;
}

.scroll-study__line > span {
  display: block;
  width: fit-content;
  transform: translateY(0);
}

.scroll-study.is-ready .scroll-study__line > span {
  transform: translateY(115%);
  transition: transform .8s cubic-bezier(.16, 1, .3, 1);
}

.scroll-study.is-ready .scroll-study__line.is-visible > span {
  transform: translateY(0);
}

.scroll-study__progress {
  position: absolute;
  right: var(--stage-inset);
  top: 50%;
  width: 1px;
  height: min(20vh, 10rem);
  transform: translateY(-50%);
  background: var(--navy-faint);
}

.scroll-study__progress > span {
  display: block;
  width: 2px;
  height: 100%;
  transform: scaleY(var(--scroll-study-progress));
  transform-origin: top;
  background: #eab34a;
}

@media (max-width: 700px) {
  .scroll-study { height: 290svh; }
  .scroll-study__stage { min-height: 0; }
  .scroll-study__inner { padding-top: 6rem; padding-bottom: 6rem; }
  .scroll-study__eyebrow { top: 6.5rem; }
  .scroll-study__title { font-size: clamp(2.7rem, 10.5vw, 5rem); }
  .scroll-study__progress { right: 1.1rem; height: 6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-study { height: auto; }
  .scroll-study__stage { position: relative; min-height: 70svh; height: auto; }
  .scroll-study__inner { min-height: 70svh; }
  .scroll-study.is-ready .scroll-study__line > span { transform: none; transition: none; }
  .scroll-study__progress { display: none; }
}