.sponsor-section {
  position: relative;
}

.sponsor-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(20, 15, 35, 0.95) 100%);
  border: 1px solid rgba(255, 126, 29, 0.25);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .sponsor-card {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.sponsor-copy h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.sponsor-copy p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.sponsor-perks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.perk-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.perk-check {
  color: var(--accent-emerald);
  font-size: 0.95rem;
}

.sponsor-action-card {
  background: rgba(8, 12, 24, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
}

.sponsor-rate-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-flame-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sponsor-rate-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}

.sponsor-form-grid {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 100%;
  margin-top: 0.5rem;
}

.form-group-compact {
  display: flex;
  flex-direction: column;
}

.sponsor-form-grid .auth-input-field {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgba(4, 7, 16, 0.85);
  border: 1px solid var(--border-glass);
  color: #fff;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.sponsor-form-grid .auth-input-field:focus {
  outline: none;
  border-color: var(--accent-flame);
  box-shadow: 0 0 12px rgba(255, 85, 0, 0.25);
}