/* Globalny footer motywu OdwołAI 2.0 */

.oai-site .oai-footer {
	position: relative;
	width: 100%;
	max-width: 100%;
	min-width: 0;
	box-sizing: border-box;
	overflow-x: hidden;
	background: var(--oai-color-navy);
	color: var(--oai-color-white);
	padding-top: 72px;
}

.oai-site .oai-footer::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(circle at 92% 0%, rgba(33, 225, 253, 0.12) 0%, rgba(33, 225, 253, 0) 55%);
	pointer-events: none;
}

.oai-site .oai-footer__inner {
	position: relative;
	max-width: var(--oai-container-width);
	min-width: 0;
	margin: 0 auto;
	padding: 0 40px;
	box-sizing: border-box;
}

/* Siatka główna — mobile-first: pojedyncza kolumna, marka nad grupą nawigacji */

.oai-site .oai-footer__grid {
	display: flex;
	flex-direction: column;
	gap: 48px;
	min-width: 0;
	max-width: 100%;
	box-sizing: border-box;
}

.oai-site .oai-footer__brand {
	min-width: 0;
	max-width: 100%;
	box-sizing: border-box;
}

.oai-site .oai-footer__logo-link {
	display: inline-flex;
	max-width: 100%;
}

.oai-site .oai-footer__logo {
	display: block;
	width: 170px;
	height: auto;
	max-width: 100%;
}

.oai-site .oai-footer__description {
	margin: 28px 0 0;
	max-width: 420px;
	font-size: 16px;
	font-weight: 400;
	line-height: 1.65;
	color: #C7CFEA;
	overflow-wrap: break-word;
}

.oai-site .oai-footer__contact {
	margin: 16px 0 0;
	font-style: normal;
	max-width: 100%;
}

.oai-site .oai-footer__contact a {
	display: inline-block;
	max-width: 100%;
	font-size: 18px;
	font-weight: 700;
	line-height: 1.4;
	color: var(--oai-color-white);
	text-decoration: underline;
	text-decoration-color: rgba(255, 255, 255, 0.35);
	overflow-wrap: anywhere;
	word-break: break-word;
	white-space: normal;
	transition: color var(--oai-transition-fast), text-decoration-color var(--oai-transition-fast);
}

.oai-site .oai-footer__contact a:hover {
	color: var(--oai-color-cyan);
	text-decoration-color: var(--oai-color-cyan);
}

/* Grupa trzech nawigacji — mobile-first: pojedyncza kolumna */

.oai-site .oai-footer__nav-group {
	display: flex;
	flex-direction: column;
	gap: 32px;
	min-width: 0;
	max-width: 100%;
	box-sizing: border-box;
}

.oai-site .oai-footer__nav {
	min-width: 0;
	max-width: 100%;
	box-sizing: border-box;
}

.oai-site .oai-footer__nav-heading {
	margin: 0 0 16px;
	font-size: 13px;
	font-weight: 700;
	line-height: 1.3;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--oai-color-cyan);
}

.oai-site .oai-footer__nav-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
	min-width: 0;
	max-width: 100%;
}

.oai-site .oai-footer__nav-link {
	display: flex;
	align-items: center;
	min-height: 44px;
	max-width: 100%;
	font-size: 16px;
	font-weight: 500;
	line-height: 1.45;
	color: #C7CFEA;
	text-decoration: none;
	white-space: normal;
	overflow-wrap: anywhere;
	word-break: normal;
	transition: color var(--oai-transition-fast);
}

.oai-site .oai-footer__nav-link:hover {
	color: var(--oai-color-cyan);
}

/* Dolny pasek */

.oai-site .oai-footer__legal {
	margin-top: 56px;
	border-top: 1px solid rgba(255, 255, 255, 0.14);
	padding: 28px 0;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 14px;
	min-width: 0;
	max-width: 100%;
	box-sizing: border-box;
}

.oai-site .oai-footer__copyright {
	margin: 0;
	font-size: 14px;
	font-weight: 400;
	line-height: 1.5;
	color: #C7CFEA;
	overflow-wrap: break-word;
}

.oai-site .oai-footer__legal-nav {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px 24px;
	max-width: 100%;
}

.oai-site .oai-footer__legal-nav a {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	font-size: 14px;
	font-weight: 400;
	line-height: 1.4;
	color: #C7CFEA;
	text-decoration: none;
	white-space: normal;
	transition: color var(--oai-transition-fast);
}

.oai-site .oai-footer__legal-nav a:hover {
	color: var(--oai-color-cyan);
}

.oai-site .oai-footer__back-to-top {
	color: var(--oai-color-white);
}

/* Reduced motion: globalne wyłączenie transition/animation w main.css
   (.oai-site * { transition: none !important; animation: none !important; })
   obejmuje już przejścia koloru na linkach footera. */

/* Tablet: 601–899px — marka na pełną szerokość, trzy kolumny linków pod nią */

@media (min-width: 601px) and (max-width: 899px) {
	.oai-site .oai-footer__logo {
		width: 190px;
	}

	.oai-site .oai-footer__description {
		margin-top: 32px;
	}

	.oai-site .oai-footer__contact a {
		font-size: 18px;
	}

	.oai-site .oai-footer__nav-group {
		display: grid;
		grid-template-columns: repeat( 3, minmax( 0, 1fr ) );
		gap: 24px;
		width: 100%;
		min-width: 0;
	}

	.oai-site .oai-footer__nav-link {
		font-size: 16px;
	}

	.oai-site .oai-footer__legal {
		flex-direction: row;
		flex-wrap: wrap;
		justify-content: space-between;
		align-items: center;
	}
}

/* Dolna granica tabletu — jeżeli trzy kolumny są zbyt ciasne, dwie kolumny,
   trzecia nawigacja przechodzi do kolejnego wiersza. */

@media (min-width: 601px) and (max-width: 699px) {
	.oai-site .oai-footer__nav-group {
		grid-template-columns: repeat( 2, minmax( 0, 1fr ) );
	}
}

/* Desktop: od 900px — cztery kolumny (marka ok. 36%, trzy kolumny linków po ok. 21%) */

@media (min-width: 900px) {
	.oai-site .oai-footer {
		padding-top: 88px;
	}

	.oai-site .oai-footer__logo {
		width: 205px;
	}

	.oai-site .oai-footer__description {
		margin-top: 36px;
	}

	.oai-site .oai-footer__contact a {
		font-size: 20px;
	}

	.oai-site .oai-footer__grid {
		display: grid;
		grid-template-columns: minmax( 0, 36% ) minmax( 0, 1fr );
		gap: 56px;
		align-items: start;
	}

	.oai-site .oai-footer__nav-group {
		display: grid;
		grid-template-columns: repeat( 3, minmax( 0, 1fr ) );
		gap: 40px;
		min-width: 0;
	}

	.oai-site .oai-footer__legal {
		flex-direction: row;
		flex-wrap: wrap;
		justify-content: space-between;
		align-items: center;
	}
}

/* Mobile do 430px */

@media (max-width: 430px) {
	.oai-site .oai-footer {
		padding-top: 56px;
	}

	.oai-site .oai-footer__inner {
		padding: 0 18px;
	}

	.oai-site .oai-footer__legal {
		margin-top: 40px;
	}
}

/* Mobile do 360px */

@media (max-width: 360px) {
	.oai-site .oai-footer__inner {
		padding: 0 16px;
	}
}