.sbm-membership-grid:has(> .sbm-membership-card:only-child) {
	grid-template-columns: minmax(0, 1fr);
}

.sbm-membership-grid:has(> .sbm-membership-card:nth-child(2):last-child) {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 800px) {
	.sbm-membership-grid {
		grid-template-columns: minmax(0, 1fr);
	}
}

.sbm-membership-signup summary { list-style:none; }
.sbm-membership-signup summary::-webkit-details-marker { display:none; }
.sbm-membership-signup[open] summary { margin-bottom:12px; }
.sbm-membership-signup form { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.sbm-membership-signup label { display:grid; gap:4px; font-weight:700; }
.sbm-membership-signup input { box-sizing:border-box; width:100%; min-height:42px; padding:8px; border:1px solid #aeb8b5; border-radius:6px; }
.sbm-membership-signup form > .sbm-button, .sbm-membership-signup form > a { grid-column:1/-1; }
.sbm-membership-signup form > a { color:var(--sbm-ink); font-weight:700; }

@media (max-width: 560px) {
	.sbm-membership-signup form { grid-template-columns:1fr; }
}