.feed-in-hero { background: #E7CFC6; }

.feed-in-detail .article-hero h1 {
  font-size: clamp(2.45rem, 4.35vw, 3.95rem);
}

.feed-in-detail .article-hero-media img { object-position: 50% 42%; }

.prerequisite-route {
  width: min(980px, calc(100% - 40px));
  margin: 32px auto 0;
  padding: clamp(24px, 3.5vw, 38px);
  display: grid;
  grid-template-columns: minmax(220px, .62fr) minmax(0, 1.38fr);
  align-items: center;
  gap: clamp(24px, 4vw, 46px);
  background: var(--paper);
  border: 1px solid var(--line);
}

.prerequisite-route-copy .eyebrow { margin-bottom: 8px; }

.prerequisite-route-copy h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 2.4vw, 2.15rem);
}

.prerequisite-route-copy p:last-child { margin: 0; font-size: .82rem; }

.prerequisite-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.prerequisite-card {
  min-height: 138px;
  padding: 18px;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 13px;
  color: var(--charcoal);
  background: var(--ivory);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease;
}

.prerequisite-card:hover,
.prerequisite-card:focus-visible {
  background: #F3E7D9;
  border-color: var(--copper);
}

.prerequisite-card:focus-visible { outline: 3px solid var(--copper); outline-offset: 3px; }

.prerequisite-card-number {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--ivory);
  background: var(--cocoa);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: .78rem;
}

.prerequisite-card-copy small {
  display: block;
  color: var(--copper);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.prerequisite-card-copy strong {
  margin-top: 5px;
  display: block;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 500;
  line-height: 1.22;
}

.prerequisite-card-copy > span {
  margin-top: 6px;
  display: block;
  color: var(--cocoa);
  font-size: .68rem;
  line-height: 1.4;
}

.prerequisite-card-arrow { color: var(--copper); font-size: 1.15rem; }

.scope-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: .8rem;
}

.portion-media { overflow: visible; }
.portion-media > img { border: 1px solid var(--line); }

.portion-direction {
  position: absolute;
  right: 24px;
  bottom: 54px;
  left: 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  color: var(--ivory);
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-shadow: 0 1px 3px rgba(47, 41, 39, .65);
}

.portion-direction i {
  height: 2px;
  position: relative;
  display: block;
  background: var(--ivory);
  box-shadow: 0 1px 3px rgba(47, 41, 39, .5);
}

.portion-direction i::after {
  content: "";
  width: 10px;
  height: 10px;
  position: absolute;
  right: 0;
  top: 50%;
  border-top: 2px solid var(--ivory);
  border-right: 2px solid var(--ivory);
  transform: translateY(-50%) rotate(45deg);
}

.start-sequence {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
}

.start-sequence li {
  min-height: 160px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border-top: 3px solid var(--copper);
}

.start-sequence span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--ivory);
  background: var(--cocoa);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: .8rem;
}

.start-sequence strong {
  margin-top: auto;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
}

.start-sequence small { margin-top: 5px; color: var(--cocoa); line-height: 1.45; }

.method-note {
  margin-top: 18px;
  padding: 20px 22px;
  background: #F3E7D9;
  border-left: 3px solid var(--copper);
}

.method-note p { margin: 0; font-size: .82rem; }

.technique-layout {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 32px;
}

.technique-steps ol {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 32px;
  list-style: none;
  counter-reset: feed-step;
}

.technique-steps li {
  padding: 17px 0 17px 48px;
  position: relative;
  border-bottom: 1px solid var(--line);
  counter-increment: feed-step;
}

.technique-steps li::before {
  content: counter(feed-step, decimal-leading-zero);
  position: absolute;
  top: 18px;
  left: 0;
  color: var(--cocoa);
  font-family: var(--serif);
  font-size: 1rem;
}

.technique-steps strong { display: block; font-family: var(--serif); font-size: 1.13rem; font-weight: 500; }
.technique-steps span { display: block; margin-top: 5px; color: var(--cocoa); font-size: .78rem; line-height: 1.55; }
.technique-steps .key-rule { margin: 20px 0 0; }

.feed-diagram picture,
.progression-media picture {
  display: block;
}

.feed-diagram picture img,
.progression-media picture img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 5 / 3;
  object-fit: contain;
  background: var(--ivory);
}

.progression-step { grid-template-columns: 1fr; gap: 28px; }
.progression-step .step-media { grid-row: 1; grid-column: 1; }
.progression-step .step-copy { grid-row: 2; grid-column: 1; }
.progression-media { align-self: start; }

.result-checklist {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}

.result-checklist li {
  padding: 12px 14px 12px 42px;
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: .8rem;
}

.result-checklist li::before {
  content: "✓";
  width: 22px;
  height: 22px;
  position: absolute;
  top: 12px;
  left: 12px;
  display: grid;
  place-items: center;
  color: var(--ivory);
  background: var(--cocoa);
  border-radius: 50%;
  font-size: .68rem;
}

.feed-in-final-media > img { object-position: 50% 38%; }
.feed-errors-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 900px) {
  .prerequisite-route { grid-template-columns: 1fr; align-items: start; }
  .technique-layout .feed-diagram { grid-row: 1; }
  .technique-layout .technique-steps { grid-row: 2; }
  .feed-diagram picture,
  .progression-media picture { width: min(100%, 600px); margin: 0 auto; }
  .feed-diagram picture img { aspect-ratio: 600 / 1320; }
  .progression-media picture img { aspect-ratio: 600 / 1120; }
  .progression-step { grid-template-columns: 1fr; gap: 28px; }
  .progression-step .step-media { grid-row: 1; grid-column: 1; }
  .progression-step .step-copy { grid-row: 2; grid-column: 1; }
  .feed-errors-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .prerequisite-actions { grid-template-columns: 1fr; }
  .technique-steps ol { grid-template-columns: 1fr; }
  .feed-errors-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .feed-in-detail .article-hero h1 { font-size: 2.25rem; }
  .prerequisite-route { width: min(var(--max), calc(100% - 28px)); padding: 22px; }
  .prerequisite-card { min-height: 124px; padding: 16px; }
  .start-sequence { grid-template-columns: 1fr; }
  .start-sequence li { min-height: 132px; }
  .portion-direction { right: 16px; bottom: 52px; left: 16px; }
  .feed-diagram,
  .progression-media { margin-right: -4px; margin-left: -4px; }
}