/* Vaccines and Immunity page */

.page-hero { position: relative; height: 220px; overflow: hidden; background: var(--color-dark); }
.page-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .3; }
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(10,30,22,.95) 0%, rgba(10,30,22,.7) 60%, rgba(10,30,22,.3) 100%);
  display: flex; align-items: center;
}
.page-hero-badge {
  display: inline-block; background: rgba(0,117,74,.85); color: #fff; padding: 4px 16px; border-radius: 50px;
  font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; white-space: nowrap;
}
.page-hero h1 {
  color: #fff; font-size: clamp(28px, 3vw, 46px); line-height: 1.1; margin: 0;
  letter-spacing: -.025em; text-shadow: 0 2px 18px rgba(0,0,0,.24);
}

.vi-content { max-width: 960px; margin: 0 auto; padding: 56px 32px 80px; display: flex; flex-direction: column; gap: 56px; }
.vi-section-head { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.vi-section-bar { width: 4px; height: 32px; background: var(--color-primary); border-radius: 2px; flex-shrink: 0; }
.vi-section-head h2 { font-size: 24px; color: var(--color-dark); margin: 0; letter-spacing: -.02em; }

/* Definition of terms */
.term-card { background: #fff; border-radius: 12px; padding: 18px 24px; }
.term-card p { font-size: 15px; line-height: 1.7; color: rgba(0,0,0,.75); margin: 0; }

/* Purpose rows */
.purpose-row { display: flex; gap: 18px; align-items: flex-start; padding: 20px 24px; border-radius: 12px; background: #fff; border: 1.5px solid #e8f0ee; transition: box-shadow .2s; }
.purpose-row:hover { box-shadow: 0 6px 20px rgba(0,0,0,.07); }
.purpose-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.purpose-row h3 { font-size: 16px; color: var(--color-dark); margin: 0 0 6px; letter-spacing: -.01em; }
.purpose-row p { font-size: 14.5px; line-height: 1.7; color: rgba(0,0,0,.65); margin: 0; }

/* Ingredient cards */
.ingr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ingr-card { background: #fff; border: 1.5px solid #ddeee8; border-radius: 12px; overflow: hidden; transition: box-shadow .2s, transform .2s; }
.ingr-card:hover { box-shadow: 0 8px 28px rgba(0,0,0,.09); transform: translateY(-2px); }
.ingr-card-head { padding: 12px 18px; }
.ingr-card-head p { font-size: 14px; font-weight: 700; color: #fff; margin: 0; letter-spacing: -.01em; }
.ingr-card-body { padding: 18px 18px 20px; }
.ingr-card-body p { font-size: 13px; line-height: 1.65; color: rgba(0,0,0,.7); margin: 0 0 10px; }
.ingr-card-body p:last-child { margin-bottom: 0; }

/* Info callouts */
.info-callout { background: #fff; border-radius: 12px; padding: 20px 24px; display: flex; gap: 18px; align-items: flex-start; border: 1.5px solid #e0ebe7; }
.info-callout-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.info-callout h3 { font-size: 15px; color: var(--color-dark); margin: 0 0 6px; letter-spacing: -.01em; }
.info-callout p { font-size: 14px; line-height: 1.72; color: rgba(0,0,0,.65); margin: 0; }

/* Active vs passive immunity */
.immunity-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.immunity-card { background: #fff; border-radius: 14px; padding: 28px; border: 1.5px solid #e0ebe7; border-top: 4px solid var(--color-dark); }
.immunity-card.passive { border-top-color: var(--color-primary); }
.immunity-card h3 { font-size: 19px; color: var(--color-dark); margin: 0 0 14px; letter-spacing: -.01em; }
.immunity-card p { font-size: 14.5px; line-height: 1.72; color: rgba(0,0,0,.68); margin: 0 0 16px; }
.immunity-list { list-style: none; padding: 0; margin: 0 0 16px; display: flex; flex-direction: column; gap: 10px; }
.immunity-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; line-height: 1.65; color: rgba(0,0,0,.68); }
.immunity-list li::before { content: ''; width: 6px; height: 6px; background: var(--color-primary); border-radius: 50%; margin-top: 8px; flex-shrink: 0; }
.immunity-note { font-size: 14px; line-height: 1.72; color: rgba(0,0,0,.6); margin: 0; background: var(--color-canvas); border-radius: 8px; padding: 14px 16px; }

/* Footnotes */
.footnotes-box { background: #fff; border-radius: 12px; padding: 24px 28px; border: 1.5px solid #e0ebe7; display: flex; flex-direction: column; gap: 14px; }
.footnote { font-size: 13px; line-height: 1.72; color: rgba(0,0,0,.6); margin: 0; padding-left: 20px; position: relative; }
.footnote span { position: absolute; left: 0; font-weight: 700; color: var(--color-mid); }
.footnote-divider { height: 1px; background: #f0f0f0; }

@media (max-width: 960px) {
  .ingr-grid { grid-template-columns: repeat(2, 1fr); }
  .immunity-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ingr-grid { grid-template-columns: 1fr; }
}