.dossier {
  width: min(100% - 2rem, var(--wrap));
  margin-inline: auto;
}

.dossier-section {
  position: relative;
  margin-bottom: var(--space-7);
  padding: var(--space-6) var(--space-5);
  background: var(--c-white);
}

.dossier-section:nth-child(odd) {
  margin-inline-start: 0;
  background: var(--c-panel);
}

.dossier-section:nth-child(even) {
  margin-inline-start: clamp(0rem, 4vw, 2.5rem);
  background: var(--c-white);
}

.dossier-section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1.5rem;
  height: 1.5rem;
  background: inherit;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  transform: scaleX(1.02);
}

.cover-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
  background: var(--c-petrol);
  color: var(--c-sage);
  padding: var(--space-7) var(--space-5);
  margin-bottom: var(--space-7);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.cover-panel h2 {
  color: var(--c-white);
}

.cover-panel p {
  color: color-mix(in srgb, var(--c-sage) 90%, white);
}

.cover-panel__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.stat {
  background: color-mix(in srgb, var(--c-ink) 22%, transparent);
  padding: var(--space-4);
}

.stat__num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--c-saffron);
  line-height: 1;
}

.stat__label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-2);
}

.method-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.method-strip__item {
  background: var(--c-sage);
  padding: var(--space-5);
}

.method-strip__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--c-saffron);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.method-strip__item h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-2);
}

.method-strip__item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--c-muted);
}

.mistakes {
  background: color-mix(in srgb, var(--c-saffron) 14%, var(--c-white));
  padding: var(--space-5);
  margin: var(--space-5) 0;
}

.mistakes h3 {
  margin-bottom: var(--space-3);
}

.sticky-summary {
  position: sticky;
  top: 2.75rem;
  z-index: 30;
  background: var(--c-petrol);
  color: var(--c-sage);
  padding: var(--space-2) var(--space-4);
  font-size: 0.8125rem;
  transform: translateY(-120%);
  transition: transform 0.25s var(--ease);
}

.sticky-summary.is-visible {
  transform: translateY(0);
}

.sticky-summary__inner {
  width: min(100%, var(--wrap));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
}

.sticky-summary a {
  color: var(--c-saffron-soft);
}

@media (max-width: 800px) {
  .cover-panel,
  .method-strip,
  .cover-panel__stats {
    grid-template-columns: 1fr;
  }

  .dossier-section:nth-child(even) {
    margin-inline-start: 0;
  }
}