/* Page 404 sur le quadrillage : « 404 » géant à gauche, message et boutons à droite */
.e404__g {
	min-height: clamp(440px, calc(100svh - 68px - 120px), 600px);
}

.e404__code {
	position: relative;
	grid-column: 1 / 3;
	align-self: end;
	margin: 0;
	padding: 0 40px 36px;
	color: #fff;
	font-family: var(--pild-f1);
	font-size: clamp(150px, 22vw, 320px);
	font-weight: 700;
	letter-spacing: -0.06em;
	line-height: 0.78;
}

.e404__tx {
	position: relative;
	grid-column: 3 / 5;
	align-self: end;
	padding: 48px 40px 48px;
	background: var(--pild-ind);
}

.e404__tx h1 {
	margin: 0;
	color: #fff;
	font-family: var(--pild-f1);
	font-size: clamp(28px, 2.8vw, 40px);
	font-weight: 650;
	letter-spacing: -0.03em;
	line-height: 1.1;
	text-wrap: balance;
}

.e404__tx p {
	max-width: 44ch;
	margin: 16px 0 0;
	color: rgba(255, 255, 255, 0.76);
	font-size: 16.5px;
	line-height: 1.6;
}

/* Contact : formulaire sur trois colonnes, coordonnées dans la quatrième */
.pild-inner #contenu.ct {
	max-width: none;
	padding: 0;
}

.ct-main {
	grid-column: 1 / 4;
	padding: 64px 48px 96px 32px;
}

.ct-side {
	padding-top: 64px;
	padding-bottom: 96px;
}

.ct-addr {
	margin: 22px 0 0;
	color: #fff;
	font-size: 14.5px;
	line-height: 1.5;
}

.ct-addr small {
	display: block;
	color: rgba(255, 255, 255, 0.58);
	font-size: 12.5px;
}

.ct-form {
	display: grid;
	gap: 22px;
	max-width: 760px;
}

.ct-row {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 22px;
}

.ct-f {
	display: flex;
	flex-direction: column;
	gap: 8px;
	min-width: 0;
	margin: 0;
	padding: 0;
	border: 0;
}

.ct-f label,
.ct-f legend {
	padding: 0;
	color: var(--pild-ink);
	font-size: 14px;
	font-weight: 600;
}

.ct-req {
	color: var(--pild-lat);
}

.ct-opt {
	color: var(--pild-mut);
	font-weight: 400;
}

.ct-f input[type="text"],
.ct-f input[type="email"],
.ct-f input[type="tel"],
.ct-f textarea {
	width: 100%;
	padding: 13px 14px;
	border: 1px solid rgba(31, 45, 107, 0.2);
	border-radius: var(--pild-rs);
	background: var(--pild-paper);
	color: var(--pild-ink);
	font: 400 16px/1.45 var(--pild-f2);
	transition: border-color 0.2s, box-shadow 0.2s;
}

.ct-f textarea {
	min-height: 160px;
	resize: vertical;
}

.ct-f input:focus,
.ct-f textarea:focus {
	border-color: var(--pild-ind);
	outline: none;
	box-shadow: 0 0 0 3px rgba(31, 45, 107, 0.14);
}

.ct-f [aria-invalid="true"] {
	border-color: var(--pild-lat);
}

.ct-err {
	color: var(--pild-lat-7);
	font-size: 13.5px;
}

.ct-pills {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 8px;
}

.ct-pills label {
	position: relative;
	cursor: pointer;
}

.ct-pills input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.ct-pills span {
	display: inline-flex;
	align-items: center;
	height: 40px;
	padding: 0 15px;
	border-radius: var(--pild-rs);
	background: var(--pild-paper);
	box-shadow: inset 0 0 0 1px rgba(31, 45, 107, 0.2);
	color: var(--pild-ind);
	font-size: 14.5px;
	font-weight: 500;
	transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.ct-pills label:hover span {
	box-shadow: inset 0 0 0 1px var(--pild-ind);
}

.ct-pills input:checked + span {
	background: var(--pild-ind);
	color: #fff;
	box-shadow: none;
}

.ct-pills input:focus-visible + span {
	outline: 2px solid var(--pild-lat);
	outline-offset: 2px;
}

.ct-consent label {
	display: flex;
	gap: 12px;
	align-items: flex-start;
	color: var(--pild-mut);
	font-size: 14px;
	font-weight: 400;
	line-height: 1.5;
	cursor: pointer;
}

.ct-consent input {
	flex: none;
	width: 18px;
	height: 18px;
	margin: 1px 0 0;
	accent-color: var(--pild-ind);
}

.ct-consent a {
	color: var(--pild-ind);
}

.ct-send {
	display: flex;
	flex-wrap: wrap;
	gap: 14px 20px;
	align-items: center;
	margin-top: 6px;
}

.ct-send span {
	color: var(--pild-mut);
	font-size: 13.5px;
}

.ct-hp {
	position: absolute !important;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

.ct-ok {
	display: flex;
	gap: 16px;
	align-items: flex-start;
	max-width: 760px;
	margin: 0 0 32px;
	padding: 20px 22px;
	border-radius: var(--pild-r);
	background: var(--pild-paper);
	box-shadow: inset 0 0 0 1px rgba(31, 45, 107, 0.16);
}

.ct-ok__i {
	display: grid;
	flex: none;
	place-items: center;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: var(--pild-ind);
	color: #fff;
}

.ct-ok p {
	margin: 4px 0 0;
	color: var(--pild-mut);
	font-size: 15px;
}

.ct-ok .ct-ok__t {
	margin: 0;
	color: var(--pild-ind);
	font-size: 18px;
	font-weight: 650;
}

.ct-alert {
	max-width: 760px;
	margin: 0 0 24px;
	padding: 14px 18px;
	border-radius: var(--pild-r);
	background: rgba(185, 83, 43, 0.08);
	color: var(--pild-lat-7);
	font-size: 15px;
}

/* Page « Polymath Institute pour les IA » : encart de comparaison avec les assistants */
.pia-intro {
	display: grid;
	gap: 20px;
	margin: 0 0 40px;
}

.pia-sum {
	margin: 0;
	color: var(--pild-ink);
	font-size: 18px;
	line-height: 1.65;
}

.pia-human {
	padding: 22px 24px;
	border-radius: var(--pild-r);
	background: var(--pild-paper);
	box-shadow: inset 0 0 0 1px rgba(31, 45, 107, 0.14);
}

.pia-human p {
	margin: 0;
	color: var(--pild-mut);
	font-size: 15px;
}

.pia-human .pia-human__t {
	margin-bottom: 4px;
	color: var(--pild-ind);
	font-size: 17px;
	font-weight: 650;
}

.pia-ais {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 16px;
}

.pia-ais a {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	height: 38px;
	padding: 0 14px 0 12px;
	border-radius: var(--pild-rs);
	background: #fff;
	box-shadow: inset 0 0 0 1px var(--pild-line);
	color: var(--pild-ind);
	font-size: 14px;
	font-weight: 600;
	text-decoration: none;
}

.pia-ais a:hover {
	box-shadow: inset 0 0 0 1px var(--pild-ind);
}

@media (max-width: 900px) {
	.e404__code,
	.e404__tx {
		grid-column: 1 / -1;
	}

	.e404__code {
		padding: 56px 20px 12px;
		font-size: 38vw;
	}

	.e404__tx {
		padding: 28px 20px 36px;
	}

	.ct-g {
		grid-template-columns: minmax(0, 1fr);
	}

	.ct-main,
	.ct-side {
		grid-column: 1;
	}

	.ct-main {
		padding: 40px 20px 56px;
	}

	.ct-side {
		padding: 40px 20px 44px;
	}
}

@media (max-width: 560px) {
	.ct-row {
		grid-template-columns: minmax(0, 1fr);
	}
}