.herbhead {
  overflow: hidden;
}

.herbhead .sprig {
  top: auto;
  bottom: 22px;
  height: 480px;
  max-height: calc(100% - 44px);
}

/* Keep individual herbarium photographs at the same visual size as each Mugwort image. */
.plant-photo {
  width: min(100%, 175px);
  margin: 16px 0 4px;
}

.plant-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.herbal-formulas {
  margin-top: clamp(64px, 9vw, 112px);
  padding-top: clamp(36px, 5vw, 60px);
  border-top: 1px solid rgba(45, 66, 45, 0.28);
}

.formulas-head {
  max-width: 680px;
  margin-bottom: 34px;
}

.formulas-head h2 {
  margin: 4px 0 12px;
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1;
}

.formula-card {
  padding: clamp(26px, 5vw, 52px);
  background: rgba(239, 235, 220, 0.5);
  border: 1px solid rgba(45, 66, 45, 0.2);
}

.formula-number,
.formula-card h4 {
  margin: 0 0 8px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.formula-intro {
  max-width: 720px;
}

.formula-intro h3 {
  margin: 0;
  font-size: clamp(1.7rem, 3.2vw, 2.65rem);
  font-weight: 400;
  line-height: 1.12;
}

.botanical-name {
  margin: 8px 0 20px;
}

.formula-details {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 6vw, 72px);
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid rgba(45, 66, 45, 0.18);
}

.formula-details ul,
.formula-details ol {
  margin: 0;
  padding-left: 1.2rem;
}

.formula-details li + li {
  margin-top: 9px;
}

.formula-details span {
  font-style: italic;
  opacity: 0.72;
}

.formula-use {
  margin: 32px 0 0;
  padding-top: 24px;
  border-top: 1px solid rgba(45, 66, 45, 0.18);
}

.formula-note {
  margin: 14px 0 0;
  font-size: 0.88rem;
  opacity: 0.78;
}

@media (max-width: 800px) {
  .herbhead {
    overflow: visible;
  }

  .herbhead .sprig {
    bottom: auto;
    height: 390px;
    max-height: none;
  }
}

.mugwort-photos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  width: min(100%, 360px);
  margin: 16px 0 4px;
}

.mugwort-photos img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

@media (max-width: 800px) {
  .plant-photo {
    width: min(100%, 156px);
  }

  .mugwort-photos {
    width: min(100%, 320px);
    gap: 8px;
  }

  .formula-details {
    grid-template-columns: 1fr;
  }
}

.herbarium-sections {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 34px);
  margin-top: clamp(48px, 8vw, 88px);
}

.herbarium-section-card {
  display: flex;
  min-height: 320px;
  padding: clamp(28px, 5vw, 52px);
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  background: rgba(239, 235, 220, 0.46);
  border: 1px solid rgba(45, 66, 45, 0.22);
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.herbarium-section-card:hover,
.herbarium-section-card:focus-visible {
  background: rgba(239, 235, 220, 0.76);
  border-color: rgba(45, 66, 45, 0.48);
  transform: translateY(-2px);
}

.section-number {
  margin: 0 0 auto;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.herbarium-section-card h2 {
  margin: 44px 0 12px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1;
}

.herbarium-section-card p:not(.section-number) {
  max-width: 430px;
  margin: 0 0 28px;
}

.herbarium-section-card span {
  margin-top: auto;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-return {
  margin: 34px 0 48px;
}

.section-return a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

@media (max-width: 700px) {
  .herbarium-sections {
    grid-template-columns: 1fr;
  }

  .herbarium-section-card {
    min-height: 270px;
  }
}

.formula-card + .formula-card {
  margin-top: clamp(24px, 4vw, 42px);
}