.bt-site-footer,
.bt-site-footer * {
	box-sizing: border-box;
}

.bt-site-footer {
	background: var(--bt-color-primary);
	color: var(--bt-color-text);
	font-family: var(--bt-font-family-base);
}

.bt-site-footer a {
	color: inherit;
	text-decoration: none;
	transition:
		color var(--bt-transition-fast),
		outline-color var(--bt-transition-fast);
}

.bt-site-footer a:hover,
.bt-site-footer a:focus-visible,
.bt-site-footer a:active,
.bt-site-footer a.is-active {
	color: var(--bt-color-accent);
}

.bt-site-footer a:focus-visible {
	outline: 2px solid var(--bt-color-accent);
	outline-offset: 5px;
	border-radius: 6px;
}

.bt-site-footer__container {
	max-width: var(--bt-container-max-width);
	margin-inline: auto;
	padding: 38px var(--bt-container-padding-x) 17px;
}

.bt-site-footer__main {
	display: grid;
	grid-template-columns: minmax(280px, 400px) minmax(180px, 260px) minmax(290px, 450px);
	justify-content: space-between;
	column-gap: clamp(64px, 8vw, 150px);
	align-items: start;
}

.bt-site-footer__brand {
	max-width: 410px;
}

.bt-site-footer__brand-link {
	display: inline-flex;
}

.bt-site-footer__logo {
	display: block;
	width: 254px;
	max-width: 100%;
	height: auto;
}

.bt-site-footer__tagline {
	max-width: 410px;
	margin: 28px 0 0;
	font-size: 1.25rem;
	font-weight: var(--bt-font-weight-regular);
	line-height: 1.25;
	letter-spacing: -0.03em;
	color: var(--bt-color-text);
}

.bt-site-footer__heading {
	margin: 0 0 15px;
	font-size: 1.25rem;
	font-weight: var(--bt-font-weight-extra-bold);
	line-height: 1.1;
	letter-spacing: -0.02em;
	color: var(--bt-color-text);
}

.bt-site-footer__heading--social {
	margin-top: 19px;
	margin-bottom: 14px;
}

.bt-site-footer__list,
.bt-site-footer__social-list {
	padding: 0;
	margin: 0;
	list-style: none;
}

.bt-site-footer__list {
	display: grid;
	gap: 8px;
}

.bt-site-footer__link {
	display: inline-block;
	font-size: 1rem;
	font-weight: var(--bt-font-weight-regular);
	line-height: 1.25;
	letter-spacing: -0.02em;
}

.bt-site-footer__social-list {
	display: flex;
	align-items: center;
	gap: 22px;
}

.bt-site-footer__social-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 46px;
	height: 38px;
	color: var(--bt-color-text);
}

.bt-site-footer__social-icon {
	display: block;
	width: 40px;
	height: 40px;
}

.bt-site-footer__separator {
	width: 100%;
	height: 1px;
	margin: 52px 0 15px;
	border: 0;
	background: var(--bt-color-line);
	opacity: 0.72;
}

.bt-site-footer__copyright {
	margin: 0;
	text-align: center;
	font-size: 1rem;
	font-weight: var(--bt-font-weight-regular);
	line-height: 1.3;
	letter-spacing: -0.02em;
	color: var(--bt-color-text);
}

@media (max-width: 1180px) {
	.bt-site-footer__main {
		grid-template-columns: minmax(260px, 1fr) minmax(180px, 0.7fr) minmax(260px, 1fr);
		column-gap: 48px;
	}

	.bt-site-footer__tagline {
		font-size: 1.25rem;
	}
}

@media (max-width: 767px) {
	.bt-site-footer__container {
		padding: 44px var(--bt-container-padding-x) 8px;
	}

	.bt-site-footer__main {
		display: flex;
		flex-direction: column;
		align-items: center;
		gap: 38px;
		text-align: center;
	}

	.bt-site-footer__brand {
		display: flex;
		flex-direction: column;
		align-items: center;
		max-width: 310px;
	}

	.bt-site-footer__logo {
		width: 194px;
	}

	.bt-site-footer__tagline {
		max-width: 310px;
		margin-top: 23px;
		font-size: 1rem;
		line-height: 1.28;
		letter-spacing: -0.035em;
	}

	.bt-site-footer__heading {
		margin-bottom: 16px;
		font-size: 1.25rem;
		line-height: 1.1;
	}

	.bt-site-footer__heading--social {
		margin-top: 18px;
		margin-bottom: 13px;
	}

	.bt-site-footer__list {
		gap: 9px;
	}

	.bt-site-footer__link {
		font-size: 1rem;
		line-height: 1.2;
	}

	.bt-site-footer__institutional,
	.bt-site-footer__nav {
		width: 100%;
	}

	.bt-site-footer__social-list {
		justify-content: center;
		gap: 18px;
	}

	.bt-site-footer__social-link {
		width: 44px;
		height: 38px;
	}

	.bt-site-footer__social-icon {
		width: 38px;
		height: 38px;
	}

	.bt-site-footer__separator {
		margin: 38px 0 12px;
	}

	.bt-site-footer__copyright {
		font-size: 0.8125rem;
		line-height: 1.25;
		white-space: nowrap;
	}
}

@media (max-width: 359px) {
	.bt-site-footer__copyright {
		white-space: normal;
	}
}