/* SECTION: abstract (the paper in three steps, with the abstract folded below) */
.story__steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.story__steps li {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  border-radius: 24px;
  background: var(--surface);
}

.story__head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-head);
  font-size: clamp(1.35rem, 1.9vw, 1.75rem);
  font-weight: 800;
  line-height: 1.1;
}

.story__text {
  font-size: clamp(1.0625rem, 1.35vw, 1.25rem);
  line-height: 1.45;
}

/* the step's one number: what the paper measured or achieved */
.story__stat {
  display: grid;
  gap: 2px;
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
}

.story__stat b {
  font-family: var(--font-head);
  font-size: clamp(1.45rem, 2.1vw, 1.9rem);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  line-height: 1.15;
}

.story__stat span {
  color: var(--ink-2);
  font-size: var(--fs-small);
  line-height: 1.4;
}

.story__text b {
  font-weight: 800;
}

.story__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: auto;
  padding-top: var(--space-2);
  font-size: var(--fs-label);
  font-weight: 700;
}

.story__abstract {
  margin-top: var(--space-5);
}

@media (max-width: 1023px) {
  .story__steps {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  .story__steps li {
    padding: var(--space-5);
  }
}

@media (max-width: 599px) {
  .story__steps {
    margin-top: var(--space-4);
  }

  .story__steps li {
    gap: var(--space-2);
    padding: var(--space-4);
    border-radius: var(--radius);
  }

  .story__head {
    font-size: 1.25rem;
  }

  .story__text {
    font-size: 1rem;
  }

  .story__stat b {
    font-size: 1.375rem;
  }
}