/**
 * SD Formation - Header & Footer (site-wide).
 * Mobile-first. Tokens repris de custom.css (:root déjà chargé avant ce fichier).
 */

.sdf-site-header,
.sdf-site-header *,
.sdf-site-header *::before,
.sdf-site-header *::after,
.sdf-site-footer,
.sdf-site-footer *,
.sdf-site-footer *::before,
.sdf-site-footer *::after {
	box-sizing: border-box;
}

/* ---------- Header ---------- */

.sdf-site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var( --sdf-dark );
	font-family: var( --sdf-font-body );
}

.sdf-site-header__inner {
	max-width: var( --sdf-container );
	margin: 0 auto;
	padding: 16px 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}

.sdf-site-header__logo {
	font-family: var( --sdf-font-heading );
	font-weight: 800;
	text-transform: uppercase;
	font-size: 19px;
	color: #fff;
	text-decoration: none;
	white-space: nowrap;
}
.sdf-site-header__logo span {
	color: var( --sdf-blue );
}

.sdf-site-header__cta {
	font-family: var( --sdf-font-heading );
	font-weight: 700;
	text-transform: uppercase;
	font-size: 14px;
	letter-spacing: 0.02em;
	color: #fff;
	background: var( --sdf-blue );
	text-decoration: none;
	padding: 10px 18px;
	border-radius: 2px;
	white-space: nowrap;
	transition: background-color 0.15s ease;
}
.sdf-site-header__cta:hover {
	background: var( --sdf-blue-dark );
}
.sdf-site-header__cta--desktop {
	display: none;
}

.sdf-site-header__toggle {
	background: none;
	border: none;
	color: #fff;
	padding: 4px;
	cursor: pointer;
	line-height: 0;
}
.sdf-site-header__toggle .sdf-icon-close {
	display: none;
}
.sdf-site-header__toggle[aria-expanded="true"] .sdf-icon-menu {
	display: none;
}
.sdf-site-header__toggle[aria-expanded="true"] .sdf-icon-close {
	display: block;
}

.sdf-site-header__nav {
	position: fixed;
	top: 0;
	right: 0;
	height: 100vh;
	width: min( 300px, 82vw );
	background: var( --sdf-dark );
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 88px 28px 28px;
	transform: translateX( 100% );
	transition: transform 0.25s ease;
	overflow-y: auto;
}
.sdf-site-header__nav.is-open {
	transform: translateX( 0 );
}
.sdf-site-header__nav a {
	font-family: var( --sdf-font-heading );
	font-weight: 600;
	text-transform: uppercase;
	font-size: 17px;
	color: #fff;
	text-decoration: none;
	padding: 14px 0;
	border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sdf-site-header__cta--mobile {
	margin-top: 20px;
	text-align: center;
	border-bottom: none;
}

body.sdf-nav-open {
	overflow: hidden;
}

@media ( min-width: 900px ) {
	.sdf-site-header__inner {
		padding: 0 clamp( 20px, 4vw, 80px );
		height: 80px;
	}
	.sdf-site-header__toggle {
		display: none;
	}
	.sdf-site-header__cta--desktop {
		display: inline-block;
	}
	.sdf-site-header__nav {
		position: static;
		height: auto;
		width: auto;
		background: none;
		flex-direction: row;
		align-items: center;
		gap: 32px;
		padding: 0;
		transform: none;
		overflow: visible;
	}
	.sdf-site-header__nav a {
		font-size: 15px;
		padding: 0;
		border-bottom: none;
	}
	.sdf-site-header__cta--mobile {
		display: none;
	}
}

/* ---------- Footer ---------- */

.sdf-site-footer {
	background: var( --sdf-dark );
	font-family: var( --sdf-font-body );
	padding: 56px 20px 24px;
}

.sdf-site-footer__inner {
	max-width: var( --sdf-container );
	margin: 0 auto;
	display: grid;
	grid-template-columns: 1fr;
	gap: 40px;
	padding-bottom: 40px;
	border-bottom: 1px solid #1e293b;
}

.sdf-site-footer__col a,
.sdf-site-footer__a11y {
	display: flex;
	align-items: center;
	gap: 8px;
	color: #fff;
	text-decoration: none;
	font-size: 14px;
	margin-bottom: 14px;
}
.sdf-site-footer__col a:hover {
	color: var( --sdf-blue );
}

.sdf-site-footer__title {
	font-family: var( --sdf-font-heading );
	font-weight: 700;
	text-transform: uppercase;
	font-size: 17px;
	color: #fff;
	margin: 0 0 18px;
}

.sdf-site-footer__logo {
	font-family: var( --sdf-font-heading );
	font-weight: 800;
	font-size: 26px;
	color: #fff;
	margin: 0 0 16px;
}
.sdf-site-footer__logo span {
	color: var( --sdf-blue );
}
.sdf-site-footer__desc {
	color: #fff;
	font-size: 14px;
	line-height: 1.6;
	margin: 0 0 20px;
	max-width: 340px;
}
.sdf-site-footer__social {
	display: flex;
	gap: 14px;
}
.sdf-site-footer__social a {
	color: #fff;
	opacity: 0.8;
}
.sdf-site-footer__social a:hover {
	opacity: 1;
	color: var( --sdf-blue );
}

.sdf-site-footer__qualiopi {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 12px;
	opacity: 0.7;
}
.sdf-site-footer__qualiopi-badge {
	background: #fff;
	color: var( --sdf-dark );
	font-family: var( --sdf-font-heading );
	font-weight: 800;
	font-size: 13px;
	padding: 10px 14px;
	border-radius: 4px;
}
.sdf-site-footer__qualiopi p {
	color: #fff;
	font-size: 12px;
	margin: 0;
}

.sdf-site-footer__bottom {
	max-width: var( --sdf-container );
	margin: 20px auto 0;
	display: flex;
	flex-direction: column;
	gap: 8px;
	color: #94a3b8;
	font-size: 12px;
}
.sdf-site-footer__bottom a {
	color: #94a3b8;
	text-decoration: underline;
}

@media ( min-width: 900px ) {
	.sdf-site-footer {
		padding: 78px clamp( 20px, 4vw, 80px ) 24px;
	}
	.sdf-site-footer__inner {
		grid-template-columns: 1.6fr 1fr 1fr 1fr auto;
		gap: 48px;
	}
	.sdf-site-footer__bottom {
		flex-direction: row;
		align-items: center;
		justify-content: space-between;
	}
}