.bil-shell {
	width: min(calc(100% - 32px), var(--bil-content-width));
	margin-inline: auto;
}

.bil-site-header,
.bil-site-footer {
	background: var(--bil-surface);
	border-color: var(--bil-border);
}

.bil-site-header {
	border-bottom: 1px solid var(--bil-border);
}

.bil-site-footer {
	margin-top: 64px;
	border-top: 1px solid var(--bil-border);
}

.bil-header-inner,
.bil-footer-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	min-height: 72px;
}

.bil-brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	color: var(--bil-text);
	text-decoration: none;
}

.bil-brand span {
	display: grid;
	place-items: center;
	width: 38px;
	height: 38px;
	border-radius: 12px;
	background: var(--bil-accent);
	color: #fff;
	font-weight: 800;
}

.bil-private-hero {
	padding: 80px 0 40px;
}

.bil-private-hero-inner {
	max-width: 760px;
}

.bil-private-hero h1 {
	margin: 8px 0 16px;
	font-size: clamp(2rem, 5vw, 3.7rem);
	line-height: 1.15;
}

.bil-eyebrow {
	margin: 0;
	color: var(--bil-accent);
	font-size: 0.85rem;
	font-weight: 800;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.bil-prototype-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
}

.bil-content-card {
	margin-top: 32px;
	padding: 28px;
	border: 1px solid var(--bil-border);
	border-radius: var(--bil-radius);
	background: var(--bil-surface);
}

@media (max-width: 760px) {
	.bil-header-inner,
	.bil-footer-inner {
		align-items: flex-start;
		flex-direction: column;
		justify-content: center;
		padding-block: 16px;
	}

	.bil-prototype-grid {
		grid-template-columns: 1fr;
	}
}