.sponsor-interest-banner {
  margin: 24px 0;
  padding: 26px 28px;
  overflow: hidden;
  border: 3px solid var(--accent, var(--forest));
  border-radius: 20px;
  background:
    radial-gradient(
      circle at 92% 0%,
      color-mix(in srgb, var(--accent, var(--forest)) 13%, transparent) 0,
      transparent 34%
    ),
    var(--surface, var(--paper));
  box-shadow: var(--shadow-md, var(--shadow));
}

.sponsor-interest-layout {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
}

.sponsor-interest-content {
  min-width: 0;
}

.sponsor-interest-label {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 12px;
  border-radius: 999px;
  background: #e34c3f;
  color: #ffffff;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.045em;
  line-height: 1;
  white-space: nowrap;
}

.sponsor-interest-banner h2 {
  max-width: 720px;
  margin: 12px 0 4px;
  color: var(--text, var(--ink));
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 800;
  letter-spacing: -0.018em;
  line-height: 1.25;
}

.sponsor-interest-banner p {
  margin: 0;
  color: var(--text-secondary, var(--ink-secondary));
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.4;
}

.sponsor-interest-action {
  min-height: 52px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 23px;
  border: 1px solid var(--accent, var(--forest));
  border-radius: 13px;
  background: var(--accent, var(--forest));
  box-shadow: 0 6px 16px var(--accent-shadow, rgba(25, 118, 74, 0.2));
  color: var(--on-accent, var(--white));
  -webkit-text-fill-color: var(--on-accent, var(--white));
  font-size: 16px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 150ms ease, border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.sponsor-interest-action:visited {
  color: var(--on-accent, var(--white));
  -webkit-text-fill-color: var(--on-accent, var(--white));
}

.sponsor-interest-action:hover {
  border-color: var(--solid-green-hover, var(--forest-dark));
  background: var(--solid-green-hover, var(--forest-dark));
  color: var(--on-accent, var(--white));
  -webkit-text-fill-color: var(--on-accent, var(--white));
  transform: translateY(-1px);
}

.sponsor-interest-action:focus-visible {
  outline: 3px solid #f1c75b;
  outline-offset: 3px;
}

.sponsor-interest-action:active {
  transform: translateY(0);
}

@media (max-width: 680px) {
  .sponsor-interest-banner {
    margin: 20px 0;
    padding: 22px;
    border-radius: 18px;
  }

  .sponsor-interest-layout {
    display: grid;
    gap: 20px;
  }

  .sponsor-interest-banner h2 {
    font-size: 20px;
  }

  .sponsor-interest-banner p {
    font-size: 16px;
  }

  .sponsor-interest-action {
    width: 100%;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sponsor-interest-action {
    transition: none;
  }
}