/*
 * Démo sur mesure : Bâtisseurs Lemoine (BTP). Entreprise fictive.
 * ADN : le béton brut. Blocs épais, lignes franches, aucun arrondi.
 * Tout est limité à .d-btp (le bandeau et le pied de page Cordev ne changent pas).
 */

@font-face {
	font-family: "BTP Big Shoulders";
	src: url("fonts/big-shoulders-display-latin-wght-normal.woff2") format("woff2");
	font-weight: 100 900;
	font-style: normal;
	font-display: swap;
}

@font-face {
	font-family: "BTP Work Sans";
	src: url("fonts/work-sans-latin-wght-normal.woff2") format("woff2");
	font-weight: 100 900;
	font-style: normal;
	font-display: swap;
}

.d-btp {
	/* Palette : béton, noir, un seul accent orange sécurité. */
	--btp-noir: #161616;
	--btp-noir-profond: #101010;
	--btp-graphite: #242424;
	--btp-beton: #c9c7c2;
	--btp-beton-moyen: #d4d2cd;
	--btp-beton-clair: #e3e1dc;
	--btp-gris-texte: #4a4944;
	--btp-gris-sombre: #a9a8a3;
	--btp-orange: #ff6b00;
	--btp-titre: "BTP Big Shoulders", "Arial Narrow", sans-serif;
	--btp-texte: "BTP Work Sans", system-ui, sans-serif;
	--btp-focus: var(--btp-noir);

	background: var(--btp-beton-clair);
	color: var(--btp-noir);
	font-family: var(--btp-texte);
	font-size: 1.0625rem;
	line-height: 1.6;
	overflow-x: clip;
}

.d-btp *:focus-visible {
	outline: 3px solid var(--btp-focus);
	outline-offset: 3px;
}

.d-btp-cadre {
	width: 100%;
	max-width: 1320px;
	margin-inline: auto;
	padding-inline: 16px;
}

@media (min-width: 768px) {
	.d-btp-cadre {
		padding-inline: 40px;
	}
}

.d-btp h2,
.d-btp h3 {
	font-family: var(--btp-titre);
	text-transform: uppercase;
	letter-spacing: 0;
}

.d-btp-h2 {
	font-size: clamp(2.75rem, 6vw, 5.25rem);
	font-weight: 800;
	line-height: 0.92;
	max-width: 16ch;
	margin-bottom: clamp(2.25rem, 4vw, 3.5rem);
}

.d-btp-mention {
	margin-top: 2rem;
	font-size: 1rem;
	font-style: italic;
}

/* Boutons : blocs pleins, angles vifs. */
.d-btp-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 52px;
	padding: 0 1.5rem;
	border: 2px solid transparent;
	font-family: var(--btp-texte);
	font-size: 1rem;
	font-weight: 700;
	line-height: 1.2;
	text-decoration: none;
	white-space: nowrap;
	transition: transform 0.2s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.d-btp-btn:hover {
	transform: translateY(-2px);
}

.d-btp-btn:active {
	transform: translateY(1px);
}

.d-btp-btn--accent {
	background: var(--btp-orange);
	border-color: var(--btp-orange);
	color: var(--btp-noir);
}

.d-btp-btn--accent:hover {
	box-shadow: 4px 4px 0 var(--btp-noir);
}

.d-btp-btn--contour {
	border-color: var(--btp-beton-clair);
	color: var(--btp-beton-clair);
}

.d-btp-btn--contour:hover {
	background: var(--btp-beton-clair);
	color: var(--btp-noir);
}

/* ---------- En-tête d'entreprise ---------- */
.d-btp-entete {
	--btp-focus: var(--btp-orange);
	position: relative;
	z-index: 20;
	background: var(--btp-noir);
	color: var(--btp-beton-clair);
	border-bottom: 4px solid var(--btp-orange);
}

.d-btp-entete__barre {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	min-height: 72px;
}

.d-btp-logo {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	min-height: 44px;
	font-family: var(--btp-titre);
	font-size: 1.625rem;
	font-weight: 800;
	line-height: 1;
	text-transform: uppercase;
	text-decoration: none;
	color: inherit;
}

.d-btp-logo__bloc {
	width: 22px;
	height: 22px;
	background: var(--btp-orange);
	box-shadow: 6px 6px 0 var(--btp-beton);
	flex: none;
}

.d-btp-nav {
	display: none;
}

.d-btp-nav ul,
.d-btp-menu ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.d-btp-nav a:not(.d-btp-btn),
.d-btp-menu a:not(.d-btp-btn) {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	color: inherit;
	font-weight: 600;
	text-decoration: none;
	border-bottom: 3px solid transparent;
}

.d-btp-nav a:not(.d-btp-btn):hover {
	border-bottom-color: var(--btp-orange);
}

.d-btp-menu summary {
	display: inline-flex;
	align-items: center;
	gap: 0.625rem;
	min-height: 44px;
	padding: 0 1rem;
	border: 2px solid var(--btp-beton-clair);
	font-weight: 700;
	cursor: pointer;
	list-style: none;
}

.d-btp-menu summary::-webkit-details-marker {
	display: none;
}

.d-btp-menu summary::after {
	content: "";
	width: 14px;
	height: 10px;
	border-block: 2px solid currentColor;
	background: linear-gradient(currentColor, currentColor) center / 100% 2px no-repeat;
}

.d-btp-menu[open] summary {
	background: var(--btp-beton-clair);
	color: var(--btp-noir);
}

.d-btp-menu nav {
	position: absolute;
	left: 0;
	right: 0;
	top: 100%;
	background: var(--btp-noir);
	border-top: 2px solid var(--btp-graphite);
	border-bottom: 4px solid var(--btp-orange);
	padding: 0.75rem 16px 1.5rem;
}

.d-btp-menu li + li {
	border-top: 1px solid var(--btp-graphite);
}

.d-btp-menu li:last-child {
	border-top: 0;
	padding-top: 1rem;
}

.d-btp-menu a:not(.d-btp-btn) {
	width: 100%;
	min-height: 52px;
	font-size: 1.125rem;
}

.d-btp-menu .d-btp-btn {
	width: 100%;
}

@media (min-width: 1000px) {
	.d-btp-menu {
		display: none;
	}

	.d-btp-nav {
		display: flex;
		align-items: center;
		gap: 2.5rem;
	}

	.d-btp-nav ul {
		display: flex;
		gap: 2rem;
	}
}

/* ---------- Bandeau d'accueil : photo pleine largeur, voile, titre massif ---------- */
.d-btp-hero {
	--btp-focus: var(--btp-orange);
	position: relative;
	isolation: isolate;
	display: flex;
	align-items: flex-end;
	min-height: clamp(600px, calc(100dvh - 130px), 880px);
	background: var(--btp-noir);
	color: var(--btp-beton-clair);
}

.d-btp-hero__photo {
	position: absolute;
	inset: 0;
	z-index: -2;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: 62% 30%;
}

/* Voile : au moins 74 % de noir derrière le texte (texte clair ≥ 5,5:1 même sur un blanc pur). */
.d-btp-hero__voile {
	position: absolute;
	inset: 0;
	z-index: -1;
	background:
		linear-gradient(0deg, rgb(22 22 22 / 0.9) 0%, rgb(22 22 22 / 0.74) 55%, rgb(22 22 22 / 0.74) 100%);
}

@media (min-width: 900px) {
	.d-btp-hero__voile {
		background:
			linear-gradient(90deg, rgb(22 22 22 / 0.92) 0%, rgb(22 22 22 / 0.78) 72%, rgb(22 22 22 / 0.4) 100%);
	}
}

.d-btp-hero__contenu {
	padding-block: 4rem 3.5rem;
}

@media (min-width: 900px) {
	.d-btp-hero__contenu {
		padding-block: 5rem 4.5rem;
	}
}

.d-btp-hero__surtitre {
	display: flex;
	align-items: center;
	gap: 0.875rem;
	font-weight: 600;
	font-size: 1rem;
	margin-bottom: 1.25rem;
}

.d-btp-hero__surtitre::before {
	content: "";
	width: 44px;
	height: 6px;
	background: var(--btp-orange);
	flex: none;
}

.d-btp-hero__titre {
	font-family: var(--btp-titre);
	font-weight: 900;
	text-transform: uppercase;
	font-size: clamp(3.4rem, 7.6vw, 7.5rem);
	line-height: 0.86;
	letter-spacing: -0.005em;
	max-width: 10.5em;
	overflow-wrap: break-word;
	hyphens: manual;
}

.d-btp-hero__texte {
	margin-top: 1.75rem;
	max-width: 38ch;
	font-size: 1.1875rem;
	line-height: 1.55;
}

.d-btp-hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.875rem;
	margin-top: 2.25rem;
}

/* ---------- Métiers : appareillage de blocs de tailles variées ---------- */
.d-btp-metiers {
	padding-block: clamp(4rem, 8vw, 7rem);
}

.d-btp-appareil {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 10px;
}

.d-btp-bloc {
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	gap: 0.625rem;
	min-height: 240px;
	padding: 1.75rem;
}

.d-btp-bloc h3 {
	font-size: clamp(2.125rem, 3.4vw, 3rem);
	font-weight: 800;
	line-height: 0.95;
}

.d-btp-bloc p {
	max-width: 36ch;
}

.d-btp-bloc--photo {
	padding: 0;
	min-height: 380px;
	background: var(--btp-noir);
	overflow: hidden;
}

.d-btp-bloc__photo {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: 50% 78%;
}

.d-btp-bloc__texte {
	position: relative;
	margin: 0 0 0 0;
	max-width: 30rem;
	padding: 1.5rem 1.75rem;
	background: var(--btp-noir);
	color: var(--btp-beton-clair);
	display: grid;
	gap: 0.625rem;
}

.d-btp-bloc--noir {
	background: var(--btp-orange);
	color: var(--btp-noir);
}

.d-btp-bloc--beton {
	background: var(--btp-beton);
	border-top: 10px solid var(--btp-noir);
}

.d-btp-bloc--clair {
	background: var(--btp-noir);
	color: var(--btp-beton-clair);
}

@media (min-width: 768px) {
	.d-btp-appareil {
		grid-template-columns: repeat(12, 1fr);
	}

	.d-btp-bloc--photo {
		grid-column: 1 / 8;
		grid-row: span 2;
		min-height: 560px;
	}

	.d-btp-bloc--noir {
		grid-column: 8 / 13;
	}

	.d-btp-bloc--beton {
		grid-column: 8 / 13;
	}

	.d-btp-bloc--clair {
		grid-column: 1 / 13;
		min-height: 0;
		display: grid;
		grid-template-columns: 5fr 7fr;
		align-items: end;
		gap: 2rem;
	}
}

/* ---------- Réalisations : planches avec cartouche de plan (élément signature) ---------- */
.d-btp-chantiers {
	--btp-focus: var(--btp-orange);
	--btp-ligne: var(--btp-beton);
	padding-block: clamp(4rem, 8vw, 7rem);
	background: var(--btp-noir);
	color: var(--btp-beton-clair);
}

.d-btp-planches {
	display: grid;
	gap: clamp(1.25rem, 3vw, 2rem);
}

.d-btp-planche {
	display: grid;
	min-width: 0;
	border: 3px solid var(--btp-ligne);
	background: var(--btp-graphite);
}

.d-btp-planche__vide {
	position: relative;
	display: grid;
	place-items: center;
	aspect-ratio: 16 / 10;
	margin: 12px;
	border: 2px dashed var(--btp-gris-sombre);
	/* Croix d'emplacement vide, comme sur un plan. */
	background:
		linear-gradient(to top right, transparent calc(50% - 1px), rgb(169 168 163 / 0.35) 50%, transparent calc(50% + 1px)),
		linear-gradient(to bottom right, transparent calc(50% - 1px), rgb(169 168 163 / 0.35) 50%, transparent calc(50% + 1px));
}

.d-btp-planche__vide p {
	position: relative;
	max-width: calc(100% - 2rem);
	padding: 0.625rem 1rem;
	background: var(--btp-noir);
	border: 2px solid var(--btp-gris-sombre);
	font-size: 1rem;
	text-align: center;
}

.d-btp-cartouche {
	position: relative;
	display: grid;
	align-content: start;
}

.d-btp-cartouche__case {
	position: relative;
	padding: 0.875rem 1.125rem 1rem;
}

.d-btp-cartouche__case::before {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	height: 2px;
	background: var(--btp-ligne);
	transform-origin: left center;
}

.d-btp-cartouche__libelle,
.d-btp-cartouche dt {
	font-size: 0.875rem;
	font-weight: 600;
	line-height: 1.3;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--btp-gris-sombre);
}

.d-btp-cartouche h3 {
	margin-top: 0.25rem;
	font-size: clamp(1.75rem, 2.6vw, 2.25rem);
	font-weight: 800;
	line-height: 1;
}

.d-btp-cartouche dd {
	margin: 0.25rem 0 0;
	font-size: 1.125rem;
	font-weight: 600;
	line-height: 1.35;
}

.d-btp-cartouche__infos {
	display: grid;
	grid-template-columns: 1fr 1fr;
	margin: 0;
}

.d-btp-cartouche__case--large {
	grid-column: 1 / -1;
}

.d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(2)::after {
	content: "";
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 2px;
	background: var(--btp-ligne);
	transform-origin: center top;
}

/* Trait orange en tête de cartouche. */
.d-btp-trait--h {
	position: absolute;
	z-index: 1;
	left: 0;
	top: -1px;
	width: 38%;
	height: 6px;
	background: var(--btp-orange);
	transform-origin: left center;
}

@media (min-width: 900px) {
	.d-btp-planches {
		grid-template-columns: 1fr 1fr;
	}

	.d-btp-planche--large {
		grid-column: 1 / -1;
		grid-template-columns: 1.65fr 1fr;
	}

	.d-btp-planche--large .d-btp-planche__vide {
		aspect-ratio: auto;
		min-height: 380px;
	}

	.d-btp-planche--large .d-btp-cartouche {
		border-left: 2px solid var(--btp-ligne);
		align-content: end;
	}

	.d-btp-planche--large .d-btp-trait--h {
		top: auto;
		bottom: 100%;
	}

	.d-btp-planche--large .d-btp-cartouche__case--projet {
		padding-bottom: 1.5rem;
	}

	.d-btp-planche--large .d-btp-cartouche h3 {
		font-size: clamp(2.25rem, 3.4vw, 3rem);
	}
}

/* Tracé des lignes du cartouche à l'apparition (seulement si le script a démarré). */
@media (prefers-reduced-motion: no-preference) {
	.d-btp--anime .d-btp-cartouche .d-btp-cartouche__case::before,
	.d-btp--anime .d-btp-cartouche .d-btp-trait--h {
		transform: scaleX(0);
		transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
	}

	.d-btp--anime .d-btp-cartouche .d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(2)::after {
		transform: scaleY(0);
		transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) 0.45s;
	}

	.d-btp--anime .d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(1)::before { transition-delay: 0.15s; }
	.d-btp--anime .d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(2)::before { transition-delay: 0.25s; }
	.d-btp--anime .d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(3)::before { transition-delay: 0.35s; }
	.d-btp--anime .d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(4)::before { transition-delay: 0.45s; }
	.d-btp--anime .d-btp-cartouche .d-btp-trait--h { transition-duration: 0.9s; transition-delay: 0.3s; }

	.d-btp--anime .d-btp-cartouche.est-trace .d-btp-cartouche__case::before,
	.d-btp--anime .d-btp-cartouche.est-trace .d-btp-trait--h,
	.d-btp--anime .d-btp-cartouche.est-trace .d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(2)::after {
		transform: none;
	}
}

/* ---------- Méthode : quatre étapes sur une règle de chantier ---------- */
.d-btp-methode .d-btp-h2 {
	max-width: 24ch;
}

.d-btp-methode {
	padding-block: clamp(4rem, 8vw, 7rem);
	background: var(--btp-beton);
}

.d-btp-etapes {
	list-style: none;
	margin: 0;
	padding: 0 0 0 1.75rem;
	display: grid;
	gap: 2.5rem;
	border-left: 8px solid var(--btp-noir);
}

.d-btp-etapes li {
	position: relative;
	display: grid;
	gap: 0.5rem;
	max-width: 30ch;
}

.d-btp-etapes li::before {
	content: "";
	position: absolute;
	left: calc(-1.75rem - 8px - 7px);
	top: 1.1rem;
	width: 22px;
	height: 22px;
	background: var(--btp-orange);
	border: 3px solid var(--btp-noir);
}

.d-btp-etapes__num {
	font-family: var(--btp-titre);
	font-size: 4.5rem;
	font-weight: 900;
	line-height: 0.85;
}

.d-btp-etapes h3 {
	font-size: 1.875rem;
	font-weight: 800;
	line-height: 1;
}

.d-btp-etapes p {
	color: var(--btp-gris-texte);
}

@media (min-width: 900px) {
	.d-btp-etapes {
		grid-template-columns: repeat(4, 1fr);
		gap: 2rem;
		padding: 2.25rem 0 0;
		border-left: 0;
		border-top: 10px solid var(--btp-noir);
	}

	.d-btp-etapes li::before {
		left: 0;
		top: calc(-2.25rem - 10px - 7px);
	}

	.d-btp-etapes__num {
		font-size: clamp(5rem, 7vw, 6.5rem);
	}
}

/* ---------- Garanties : bande orange ---------- */
.d-btp-garanties {
	padding-block: clamp(3rem, 6vw, 4.5rem);
	background: var(--btp-orange);
	color: var(--btp-noir);
}

.d-btp-garanties__grille {
	display: grid;
	gap: 2rem;
}

.d-btp-garanties .d-btp-h2 {
	margin-bottom: 0;
	font-size: clamp(2.5rem, 4.5vw, 3.75rem);
}

.d-btp-garanties ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 1rem 2rem;
}

.d-btp-garanties li {
	padding: 0.25rem 0 0.25rem 1rem;
	border-left: 5px solid var(--btp-noir);
	font-family: var(--btp-titre);
	font-size: 1.75rem;
	font-weight: 700;
	line-height: 1.05;
	text-transform: uppercase;
}

@media (min-width: 640px) {
	.d-btp-garanties ul {
		grid-template-columns: 1fr 1fr;
	}
}

@media (min-width: 1100px) {
	.d-btp-garanties ul {
		grid-template-columns: repeat(4, 1fr);
	}
}

/* ---------- Avis ---------- */
.d-btp-avis {
	padding-block: clamp(4rem, 8vw, 7rem);
}

.d-btp-avis__grille {
	display: grid;
	gap: 2.5rem;
}

.d-btp-avis__item {
	margin: 0;
	padding-top: 1.25rem;
	border-top: 6px solid var(--btp-noir);
	display: grid;
	gap: 0.875rem;
	align-content: start;
}

.d-btp-avis__note {
	font-size: 1.125rem;
	letter-spacing: 0.15em;
	line-height: 1;
}

.d-btp-avis blockquote {
	margin: 0;
	font-size: 1.25rem;
	line-height: 1.45;
	font-weight: 500;
}

.d-btp-avis__item--grand blockquote {
	font-family: var(--btp-titre);
	font-size: clamp(2rem, 3.6vw, 3.25rem);
	font-weight: 700;
	line-height: 1.02;
	text-transform: uppercase;
}

.d-btp-avis figcaption {
	font-weight: 700;
}

@media (min-width: 900px) {
	.d-btp-avis__grille {
		grid-template-columns: 7fr 5fr;
		column-gap: clamp(2.5rem, 5vw, 5rem);
	}

	.d-btp-avis__item--grand {
		grid-row: span 2;
		padding-right: 1rem;
	}
}

/* ---------- Devis et coordonnées ---------- */
.d-btp-devis {
	--btp-focus: var(--btp-orange);
	--btp-ligne: var(--btp-beton);
	padding-block: clamp(4rem, 8vw, 7rem);
	background: var(--btp-noir);
	color: var(--btp-beton-clair);
}

.d-btp-devis__grille {
	display: grid;
	gap: 3rem;
}

.d-btp-devis__titre {
	font-size: clamp(3rem, 7vw, 6rem);
	margin-bottom: 1.5rem;
}

.d-btp-devis__texte {
	max-width: 38ch;
	margin-bottom: 2rem;
	font-size: 1.125rem;
}

.d-btp-cartouche--coord {
	border: 3px solid var(--btp-ligne);
	background: var(--btp-graphite);
	align-self: end;
}

.d-btp-cartouche--coord .d-btp-cartouche__infos > .d-btp-cartouche__case:first-child::before {
	display: none;
}

.d-btp-cartouche--coord .d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(2)::after {
	display: none;
}

.d-btp-cartouche--coord .d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(4)::after {
	content: "";
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 2px;
	background: var(--btp-ligne);
}

.d-btp-cartouche--coord dd {
	overflow-wrap: anywhere;
}

.d-btp-fictif {
	display: block;
	font-weight: 400;
	font-size: 1rem;
	color: var(--btp-gris-sombre);
}

@media (max-width: 559px) {
	.d-btp-cartouche--coord .d-btp-cartouche__infos {
		grid-template-columns: 1fr;
	}

	.d-btp-cartouche--coord .d-btp-cartouche__infos > .d-btp-cartouche__case:nth-child(4)::after {
		display: none;
	}
}

@media (min-width: 900px) {
	.d-btp-devis__grille {
		grid-template-columns: 1fr 1fr;
		align-items: end;
		gap: 4rem;
	}
}

/* ---------- Pied de page d'entreprise ---------- */
.d-btp-pied {
	--btp-focus: var(--btp-orange);
	padding-block: 2.5rem;
	background: var(--btp-noir-profond);
	color: var(--btp-beton-clair);
	border-top: 2px solid var(--btp-graphite);
}

.d-btp-pied__grille {
	display: grid;
	gap: 1.25rem;
	align-items: center;
}

.d-btp-pied ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	column-gap: 1.5rem;
}

.d-btp-pied a {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	color: inherit;
	text-underline-offset: 4px;
}

@media (min-width: 1000px) {
	.d-btp-pied__grille {
		grid-template-columns: auto 1fr auto;
		gap: 2.5rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.d-btp-btn,
	.d-btp-btn:hover,
	.d-btp-btn:active {
		transition: none;
		transform: none;
	}
}

/* Unité : « m² » ne doit pas passer en capitales (M = méga). */
.d-btp .d-btp-unite {
	text-transform: none;
}