/* ==========================================================================
   A&D Agencement — simple, épuré, bleu roi
   ========================================================================== */

@font-face {
	font-family: "Inter";
	src: url("../fonts/inter.woff2") format("woff2");
	font-weight: 100 900;
	font-display: swap;
}

@font-face {
	font-family: "Fraunces";
	src: url("../fonts/fraunces.woff2") format("woff2");
	font-weight: 100 900;
	font-display: swap;
}

:root {
	--bg: #f6f8fc;
	--surface: #ffffff;
	--sand: #eaeff8;
	--line: #d8dfee;
	--ink: #141c33;
	--muted: #5a6480;
	--accent: #2346c8;
	--accent-dark: #1b37a3;
	--accent-soft: #e4eafb;

	--dark: #0f1a40;
	--dark-ink: #f6f8fc;
	--dark-muted: #b9c3de;

	--font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--font-title: "Fraunces", Georgia, "Times New Roman", serif;

	--radius: 10px;
	--radius-lg: 16px;
	--container: 1160px;
	--gutter: clamp(1.25rem, 4vw, 2rem);
	--section: clamp(4rem, 9vw, 7rem);
}

/* Base ------------------------------------------------------------------- */

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 5rem;
	-webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font-family: var(--font-body);
	font-size: 1.0625rem;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
	margin: 0 0 0.6em;
	font-family: var(--font-title);
	font-weight: 500;
	line-height: 1.15;
	letter-spacing: -0.01em;
	text-wrap: balance;
}

h1 {
	font-size: clamp(2.25rem, 5vw, 3.5rem);
}

h2 {
	font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

h3 {
	font-size: 1.25rem;
}

p {
	margin: 0 0 1em;
}

a {
	color: var(--accent-dark);
	text-underline-offset: 0.2em;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

ul,
ol {
	margin: 0;
	padding: 0;
	list-style: none;
}

address {
	font-style: normal;
}

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	border-radius: 4px;
}

.skip-link {
	position: absolute;
	left: 1rem;
	top: -3rem;
	z-index: 100;
	padding: 0.6rem 1rem;
	background: var(--ink);
	color: var(--bg);
	border-radius: var(--radius);
}

.skip-link:focus {
	top: 1rem;
}

.icon {
	width: 1.25em;
	height: 1.25em;
	flex: none;
}

.muted {
	color: var(--muted);
}

.lead {
	font-size: 1.125rem;
	color: var(--muted);
}

.eyebrow {
	margin-bottom: 1.25rem;
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--accent-dark);
}

/* Valeurs à compléter (YDS_SHOW_TODO) */
mark.todo {
	background: #ffe7a3;
	color: #3b2f12;
	padding: 0 0.2em;
	border-radius: 3px;
}

/* Layout ----------------------------------------------------------------- */

.container {
	width: 100%;
	max-width: var(--container);
	margin-inline: auto;
	padding-inline: var(--gutter);
}

.container--narrow {
	max-width: 820px;
}

.section {
	padding-block: var(--section);
}

.section--sand {
	background: var(--sand);
}

.section__header {
	max-width: 640px;
	margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section__header p {
	color: var(--muted);
	font-size: 1.125rem;
}

.split {
	display: grid;
	gap: clamp(2rem, 6vw, 5rem);
	align-items: start;
}

.stack {
	display: grid;
	gap: 1rem;
}

.cards {
	display: grid;
	gap: 1.25rem;
}

@media (min-width: 700px) {
	.cards--2,
	.cards--3,
	.cards--4 {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 1000px) {
	.cards--3 {
		grid-template-columns: repeat(3, 1fr);
	}
}

@media (min-width: 900px) {
	.split {
		grid-template-columns: 1.1fr 1fr;
	}
}

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

/* Buttons ---------------------------------------------------------------- */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.55rem;
	padding: 0.8rem 1.35rem;
	border: 1px solid transparent;
	border-radius: 999px;
	font: inherit;
	font-weight: 600;
	font-size: 0.975rem;
	line-height: 1.2;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.btn--primary {
	background: var(--accent);
	color: #fff;
}

.btn--primary:hover {
	background: var(--accent-dark);
}

.btn--ghost {
	border-color: var(--line);
	background: var(--surface);
	color: var(--ink);
}

.btn--ghost:hover {
	border-color: var(--accent);
}

.btn--sm {
	padding: 0.6rem 1.1rem;
	font-size: 0.9rem;
}

.btn--lg {
	padding: 1rem 1.6rem;
	font-size: 1.025rem;
}

.btn--block {
	width: 100%;
}

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

.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgb(246 248 252 / 0.92);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--line);
}

.site-header__inner {
	display: flex;
	align-items: center;
	gap: 2rem;
	min-height: 4.5rem;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.65rem;
	color: var(--ink);
	text-decoration: none;
}

.brand__mark {
	display: grid;
	place-items: center;
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 50%;
	background: var(--accent);
	color: #fff;
	font-family: var(--font-title);
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.02em;
}

.brand__name {
	font-family: var(--font-title);
	font-size: 1.2rem;
	font-weight: 600;
}

.site-nav {
	display: none;
	margin-left: auto;
}

.site-nav ul {
	display: flex;
	gap: 1.75rem;
}

.site-nav a {
	color: var(--ink);
	font-size: 0.95rem;
	text-decoration: none;
}

.site-nav a:hover {
	color: var(--accent-dark);
}

.site-header__actions {
	display: flex;
	align-items: center;
	gap: 1.25rem;
	margin-left: auto;
}

.header-phone {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	color: var(--ink);
	font-weight: 600;
	text-decoration: none;
}

.header-phone span {
	display: none;
}

@media (min-width: 600px) {
	.header-phone span {
		display: inline;
	}
}

@media (min-width: 1000px) {
	.site-nav {
		display: block;
	}

	.site-header__actions {
		margin-left: 0;
	}
}

@media (max-width: 767px) {
	.site-header__actions .btn {
		display: none;
	}
}

/* Hero ------------------------------------------------------------------- */

.hero {
	padding-block: clamp(3rem, 7vw, 5.5rem) var(--section);
}

.hero__grid {
	display: grid;
	gap: clamp(2.5rem, 5vw, 4rem);
	align-items: center;
}

@media (min-width: 900px) {
	.hero__grid {
		grid-template-columns: 1.25fr 1fr;
	}
}

.hero__subtitle {
	max-width: 36rem;
	font-size: clamp(1.1rem, 1.8vw, 1.25rem);
	color: var(--muted);
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-block: 2rem 2.5rem;
}

.trust {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.25rem 2rem;
	padding-top: 2rem;
	border-top: 1px solid var(--line);
}

@media (min-width: 600px) {
	.trust {
		grid-template-columns: repeat(4, auto);
		justify-content: start;
	}
}

.trust strong {
	display: block;
	font-family: var(--font-title);
	font-size: 1.35rem;
	font-weight: 500;
}

.trust span {
	font-size: 0.9rem;
	color: var(--muted);
}

/* Placeholders (en attendant les vraies photos) --------------------------- */

.placeholder {
	display: grid;
	place-items: center;
	align-content: center;
	gap: 0.75rem;
	aspect-ratio: 4 / 3;
	padding: 1rem;
	border-radius: var(--radius-lg);
	background:
		repeating-linear-gradient(135deg, transparent 0 14px, rgb(35 70 200 / 0.05) 14px 15px),
		var(--accent-soft);
	color: var(--accent-dark);
	font-size: 0.85rem;
	text-align: center;
}

.placeholder .icon {
	width: 2rem;
	height: 2rem;
}

.placeholder--tall {
	aspect-ratio: 4 / 5;
}

/* Panels & cards --------------------------------------------------------- */

.panel,
.card,
.info {
	padding: clamp(1.5rem, 3vw, 2rem);
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius-lg);
}

.panel h3,
.card h3,
.info h3 {
	margin-bottom: 0.5em;
}

.panel p:last-child,
.card p:last-child,
.info p:last-child {
	margin-bottom: 0;
}

.panel--row {
	display: flex;
	gap: 1.25rem;
	align-items: flex-start;
}

.card__icon {
	display: inline-grid;
	place-items: center;
	flex: none;
	width: 3rem;
	height: 3rem;
	margin-bottom: 1.25rem;
	border-radius: 50%;
	background: var(--accent-soft);
	color: var(--accent-dark);
}

.panel--row .card__icon {
	margin-bottom: 0;
}

.card p {
	color: var(--muted);
}

.card__list li {
	padding-block: 0.55rem;
	border-top: 1px solid var(--line);
	font-size: 0.95rem;
}

.checklist li {
	display: flex;
	gap: 0.65rem;
	padding-block: 0.35rem;
}

.checklist .icon {
	margin-top: 0.2em;
	color: var(--accent);
}

.info {
	border-left: 3px solid var(--accent);
}

.info p {
	color: var(--muted);
}

/* Decision --------------------------------------------------------------- */

.decision {
	display: grid;
	gap: 1rem;
}

@media (min-width: 900px) {
	.decision {
		grid-template-columns: 1.2fr 1fr;
	}
}

.price-list {
	margin: 1.5rem 0;
}

.price-list div {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 0.25rem 1rem;
	padding-block: 0.85rem;
	border-top: 1px solid var(--line);
}

.price-list div:last-child {
	border-bottom: 1px solid var(--line);
}

.price-list dd {
	margin: 0;
	font-weight: 600;
	white-space: nowrap;
}

/* Process ---------------------------------------------------------------- */

.steps {
	display: grid;
	gap: 1.25rem;
	counter-reset: step;
}

@media (min-width: 700px) {
	.steps {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 1000px) {
	.steps {
		grid-template-columns: repeat(5, 1fr);
	}
}

.step {
	counter-increment: step;
	position: relative;
	padding-top: 3.75rem;
}

.step::before {
	content: counter(step, decimal-leading-zero);
	position: absolute;
	top: 0;
	left: 0;
	font-family: var(--font-title);
	font-size: 2rem;
	color: var(--accent);
}

.step::after {
	content: "";
	position: absolute;
	top: 1.4rem;
	left: 3.5rem;
	right: 0;
	height: 1px;
	background: var(--line);
}

.step:last-child::after {
	display: none;
}

.step p {
	color: var(--muted);
	font-size: 0.975rem;
}

/* Proofs ----------------------------------------------------------------- */

.stats {
	display: grid;
	gap: 1.5rem;
	margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

@media (min-width: 700px) {
	.stats {
		grid-template-columns: repeat(3, 1fr);
	}
}

.stats li {
	padding-top: 1.25rem;
	border-top: 2px solid var(--accent);
}

.stats strong {
	display: block;
	font-family: var(--font-title);
	font-size: clamp(2rem, 4vw, 2.75rem);
	font-weight: 500;
	line-height: 1.1;
}

.stats span {
	color: var(--muted);
}

.media {
	margin: 0;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	border-radius: var(--radius-lg);
	background: var(--accent-soft);
}

.media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.media--tall {
	aspect-ratio: 4 / 5;
}

.project .media,
.project .placeholder {
	margin-bottom: 1.25rem;
	border-radius: var(--radius);
	font-size: 0.8rem;
}

.project__meta {
	margin-bottom: 0.35rem;
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--accent-dark);
}

.project h3 {
	margin-bottom: 0.4em;
}

.project p:not(.project__meta) {
	color: var(--muted);
	font-size: 0.95rem;
}

.clients {
	margin-top: clamp(3rem, 6vw, 4.5rem);
	padding-top: clamp(2rem, 4vw, 2.5rem);
	border-top: 1px solid var(--line);
}

.clients__list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	margin-block: 1.25rem;
}

.clients__list li {
	padding: 0.45rem 1rem;
	border: 1px solid var(--line);
	border-radius: 999px;
	background: var(--surface);
	font-size: 0.925rem;
	font-weight: 500;
}

.reviews {
	margin-top: clamp(2.5rem, 5vw, 3.5rem);
}

.review {
	margin: 0;
	padding: clamp(1.5rem, 3vw, 2rem);
	background: var(--surface);
	border: 1px solid var(--line);
	border-left: 3px solid var(--accent);
	border-radius: var(--radius-lg);
}

.review blockquote {
	margin: 0 0 1rem;
	font-family: var(--font-title);
	font-size: 1.1rem;
	line-height: 1.5;
}

.review figcaption {
	font-size: 0.9rem;
	color: var(--muted);
}

/* FAQ -------------------------------------------------------------------- */

.faq__item {
	border-top: 1px solid var(--line);
}

.faq__item:last-child {
	border-bottom: 1px solid var(--line);
}

.faq__item summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding-block: 1.35rem;
	cursor: pointer;
	list-style: none;
}

.faq__item summary::-webkit-details-marker {
	display: none;
}

.faq__item summary::after {
	content: "+";
	flex: none;
	display: grid;
	place-items: center;
	width: 2rem;
	height: 2rem;
	border: 1px solid var(--line);
	border-radius: 50%;
	color: var(--accent-dark);
	font-size: 1.25rem;
	line-height: 1;
	transition: transform 0.2s;
}

.faq__item[open] summary::after {
	transform: rotate(45deg);
}

.faq__item h3 {
	margin: 0;
	font-family: var(--font-body);
	font-size: 1.075rem;
	font-weight: 600;
	line-height: 1.4;
}

.faq__item p {
	max-width: 44rem;
	padding-bottom: 1.35rem;
	margin: 0;
	color: var(--muted);
}

/* CTA final + formulaire ------------------------------------------------- */

.section--dark {
	background: var(--dark);
	color: var(--dark-ink);
}

.section--dark .lead,
.section--dark .muted {
	color: var(--dark-muted);
}

.cta__phone {
	display: inline-flex;
	align-items: center;
	gap: 1rem;
	margin-block: 1.5rem 0.75rem;
	color: var(--dark-ink);
	font-family: var(--font-title);
	font-size: clamp(1.75rem, 3vw, 2.25rem);
	text-decoration: none;
}

.cta__phone .icon {
	width: 3.25rem;
	height: 3.25rem;
	padding: 0.85rem;
	border-radius: 50%;
	background: var(--accent);
	color: #fff;
}

.cta__phone small {
	display: block;
	font-family: var(--font-body);
	font-size: 0.85rem;
	color: var(--dark-muted);
}

.form {
	display: grid;
	gap: 1.1rem;
	padding: clamp(1.5rem, 4vw, 2.5rem);
	background: var(--surface);
	color: var(--ink);
	border-radius: var(--radius-lg);
}

.form__row {
	display: grid;
	gap: 1.1rem;
}

@media (min-width: 600px) {
	.form__row {
		grid-template-columns: 1fr 1fr;
	}
}

.field label {
	display: block;
	margin-bottom: 0.35rem;
	font-size: 0.9rem;
	font-weight: 600;
}

.field input,
.field select,
.field textarea {
	width: 100%;
	padding: 0.75rem 0.9rem;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	background: var(--bg);
	color: var(--ink);
	font: inherit;
	font-size: 1rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px rgb(35 70 200 / 0.18);
}

.field--check {
	display: flex;
	gap: 0.65rem;
	align-items: flex-start;
}

.field--check input {
	width: 1.15rem;
	height: 1.15rem;
	margin-top: 0.2rem;
	accent-color: var(--accent);
	flex: none;
}

.field--check label {
	font-weight: 400;
	font-size: 0.875rem;
	color: var(--muted);
}

.form__hp {
	position: absolute;
	left: -9999px;
}

.form__note {
	margin: 0;
	text-align: center;
	font-size: 0.875rem;
	color: var(--muted);
}

.notice {
	margin: 0;
	padding: 0.9rem 1rem;
	border-radius: var(--radius);
	font-size: 0.95rem;
}

.notice--success {
	background: #e5efdc;
	color: #2f4a1d;
}

.notice--error {
	background: #f6dcd4;
	color: #6b2412;
}

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

.site-footer {
	padding-block: 4rem 2rem;
	background: #0b1433;
	color: var(--dark-muted);
	font-size: 0.95rem;
}

.site-footer a {
	color: var(--dark-ink);
	text-decoration: none;
}

.site-footer a:hover {
	text-decoration: underline;
}

.site-footer__grid {
	display: grid;
	gap: 2.5rem;
}

@media (min-width: 800px) {
	.site-footer__grid {
		grid-template-columns: 1.3fr 1fr 1fr;
	}
}

.site-footer__brand {
	font-family: var(--font-title);
	font-size: 1.35rem;
	color: var(--dark-ink);
}

.site-footer__title {
	margin-bottom: 0.75rem;
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--dark-ink);
}

.site-footer__areas {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem 1rem;
}

.site-footer__legal {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 1rem;
	margin-top: 3rem;
	padding-top: 1.5rem;
	border-top: 1px solid rgb(246 248 252 / 0.12);
	font-size: 0.85rem;
}

.site-footer__legal p {
	margin: 0;
}

.site-footer__legal ul {
	display: flex;
	flex-wrap: wrap;
	gap: 1.25rem;
}

/* Barre de contact mobile ------------------------------------------------ */

.mobile-bar {
	position: fixed;
	inset: auto 0 0;
	z-index: 60;
	display: grid;
	grid-template-columns: 1fr 1.4fr;
	gap: 0.5rem;
	padding: 0.65rem var(--gutter) calc(0.65rem + env(safe-area-inset-bottom, 0px));
	background: rgb(246 248 252 / 0.96);
	backdrop-filter: blur(10px);
	border-top: 1px solid var(--line);
}

@media (max-width: 767px) {
	body {
		padding-bottom: calc(4.5rem + env(safe-area-inset-bottom, 0px));
	}
}

@media (min-width: 768px) {
	.mobile-bar {
		display: none;
	}
}

/* Pages simples ---------------------------------------------------------- */

.prose h1 {
	margin-bottom: 1.5rem;
}

.prose h2 {
	margin-top: 2.5rem;
	font-size: 1.6rem;
}

.prose ul {
	margin-bottom: 1em;
	padding-left: 1.25rem;
	list-style: disc;
}