.who-title-slice {
  border-top: none;
  min-height: clamp(360px, 48vw, 720px);
}
.who-title-slice .who-bg-image { object-position: right bottom; }

.contribution-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(115deg, #faf8f0 45%, #eaf0e5);
  border-bottom: 1px solid #dfe5d8;
}
.contribution-hero .container { position: relative; z-index: 1; text-align: center; }
.contribution-eyebrow {
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green-deep);
  margin-bottom: 1.1rem;
}
.contribution-hero h1 {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: clamp(2.6rem, 5.5vw, 4.8rem);
  letter-spacing: -.035em;
  line-height: 1.12;
  white-space: pre-line;
  max-width: 880px;
  margin-inline: auto;
  margin-bottom: 1.5rem;
}
.contribution-intro { max-width: 650px; margin-inline: auto; font-size: 1.4rem; line-height: 1.8; color: #505b53; }
.contribution-hero-leaf {
  position: absolute;
  width: clamp(220px, 30vw, 430px);
  right: 2%; bottom: -80px;
  color: #6d8952;
  opacity: .13;
  transform: rotate(15deg);
  pointer-events: none;
}
.contribution-options { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.contribution-section-intro { margin-bottom: 2rem; }
.contribution-section-intro h2, .contribution-help h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: .6rem;
}
.contribution-section-intro p { color: #5b635d; text-align: center; font-size: 1.3rem; line-height: 1.8; }
.contribution-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.contribution-card {
  --tier-color: var(--green-deep);
  --tier-accent: var(--green);
  --tier-background: var(--green-light);
  --tier-button-background: var(--tier-color);
  --tier-button-text: var(--white);
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid rgba(156, 192, 192, 0.5);
  border-top: 4px solid var(--tier-accent);
  border-radius: 12px;
  padding: clamp(1.5rem, 2.5vw, 2.4rem);
  background: linear-gradient(155deg, var(--tier-background), var(--white) 85%);
}
.contribution-card--gold {
  --tier-color: var(--gold-deep);
  --tier-accent: var(--gold);
  --tier-background: rgba(228, 204, 120, 0.22);
  --tier-button-background: var(--gold);
  --tier-button-text: #3a3113;
}
.contribution-card--blue {
  --tier-color: var(--blue-deep);
  --tier-accent: var(--blue);
  --tier-background: var(--blue-light);
}
.contribution-leaf { display: block; width: 58px; height: 58px; color: var(--tier-accent); margin-bottom: 1rem; }
.contribution-card h3 { font-size: 1.1rem; font-weight: 600; color: var(--tier-color); margin-bottom: .8rem; }
.contribution-price { display: flex; align-items: center; gap: .75rem; color: var(--ink); margin-bottom: 1.2rem; }
.contribution-price strong { font-family: var(--font-heading); font-size: 4.2rem; line-height: 1; font-weight: 400; }
.contribution-price span { font-size: .8rem; line-height: 1.6; color: var(--text-muted); }
.contribution-description { flex: 1; line-height: 1.75; margin-bottom: 1.8rem; color: var(--text-dark); }
.contribution-checkout.btn {
  padding: .9rem .75rem;
  gap: .65rem;
  border: 1px solid var(--tier-button-background);
  background: var(--tier-button-background);
  color: var(--tier-button-text);
  font-size: .86rem;
  letter-spacing: 0;
  border-radius: 5px;
}
.contribution-checkout.btn:hover { background: var(--ink); border-color: var(--ink); color: var(--white); }
.contribution-billing-note { max-width: 810px; margin: 1.5rem auto 0; color: #61685f; font-size: .85rem; line-height: 1.8; text-align: center; }
.contribution-help {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid #d7dece;
  border-bottom: 1px solid #d7dece;
  padding: 2.5rem 0;
}
.contribution-help .contribution-eyebrow { margin-bottom: .8rem; }
.contribution-help p:not(.contribution-eyebrow) { max-width: 700px; line-height: 1.8; color: #505b53; }
.contribution-help .btn { flex-shrink: 0; }
.contribution-enrollment { margin: 1.7rem 0 0; font-size: .85rem; color: #61685f; line-height: 1.9; }
.contribution-enrollment a { color: var(--blue-deep); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 850px) {
  .contribution-grid { gap: 1rem; }
  .contribution-card { padding: 1.4rem; }
  .contribution-checkout.btn { font-size: .8rem; }
  .contribution-help { align-items: flex-start; flex-direction: column; gap: 1.25rem; }
}
@media (max-width: 680px) {
  .contribution-grid { grid-template-columns: 1fr; }
  .contribution-card { padding: 1.8rem; }
  .contribution-checkout.btn { font-size: .95rem; }
  .contribution-hero-leaf { right: -65px; opacity: .08; }
  .contribution-billing-note { text-align: left; }
}