@font-face {
	font-family: 'Onest';
	font-style: normal;
	font-display: swap;
	font-weight: 100 900;
	src: url('/fonts/onest-latin.woff2') format('woff2');
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
	font-family: 'Onest';
	font-style: normal;
	font-display: swap;
	font-weight: 100 900;
	src: url('/fonts/onest-latin-ext.woff2') format('woff2');
	unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* Mêmes tokens que l'appli (cloud/src/styles.css) pour que le site et le produit se ressemblent. */
:root {
	--bg: #ffffff;
	--surface: #f6f6f7;
	--hover: #efeff1;
	--line: #e6e6e9;
	--line-strong: #d6d6db;
	--text: #1c1d21;
	--muted: #5f616b;
	--accent: #6a4bff;
	--accent-ink: #5a3bf0;
	--accent-soft: color-mix(in srgb, #6a4bff 10%, transparent);
	--on-accent: #ffffff;
	--night: #1a2040;
	--night-text: #e9eaf6;
	--night-muted: #a9add0;
	--r-sm: 6px;
	--r: 10px;
	--r-lg: 14px;
	--font: 'Onest', system-ui, -apple-system, 'Segoe UI', sans-serif;
	--wrap: 1200px;
	--gutter: clamp(16px, 4vw, 40px);
	--header: 64px;
	color-scheme: light;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #17181c;
		--surface: #1c1d22;
		--hover: #24252b;
		--line: #2c2d34;
		--line-strong: #3a3b44;
		--text: #ececef;
		--muted: #a2a3ad;
		--accent-ink: #b3a5ff;
		--accent-soft: color-mix(in srgb, #6a4bff 24%, transparent);
		--night: #11142b;
		color-scheme: dark;
	}
}

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

html {
	-webkit-text-size-adjust: 100%;
	text-size-adjust: 100%;
	scroll-padding-top: calc(var(--header) + 16px);
}

@media (prefers-reduced-motion: no-preference) {
	html {
		scroll-behavior: smooth;
	}
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font: 400 17px/1.6 var(--font);
	font-feature-settings: 'ss01', 'cv11';
	-webkit-font-smoothing: antialiased;
	overflow-x: clip;
}

img,
svg {
	display: block;
	max-width: 100%;
}

a {
	color: var(--accent-ink);
	text-underline-offset: 0.18em;
	text-decoration-thickness: 1px;
}

a:hover {
	text-decoration-thickness: 2px;
}

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

h1,
h2,
h3 {
	margin: 0;
	font-weight: 640;
	letter-spacing: -0.028em;
	line-height: 1.08;
	text-wrap: balance;
}

h2 {
	font-size: clamp(30px, 4.2vw, 48px);
}

h3 {
	font-size: 24px;
	letter-spacing: -0.02em;
	line-height: 1.2;
}

p {
	margin: 0;
	text-wrap: pretty;
}

.wrap {
	width: min(100% - 2 * var(--gutter), var(--wrap));
	margin-inline: auto;
}

.sprite {
	position: absolute;
	overflow: hidden;
}

.skip {
	position: absolute;
	left: 12px;
	top: -100px;
	z-index: 20;
	padding: 10px 14px;
	background: var(--text);
	color: var(--bg);
	border-radius: var(--r-sm);
}

.skip:focus {
	top: 12px;
}

/* En-tête */

.site-header {
	position: sticky;
	top: 0;
	z-index: 10;
	background: color-mix(in srgb, var(--bg) 92%, transparent);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--line);
}

.site-header .wrap {
	display: flex;
	align-items: center;
	gap: 28px;
	height: var(--header);
}

.brand {
	display: inline-flex;
	flex: none;
	align-items: center;
}

.brand img {
	height: 30px;
	width: auto;
}

.logo-dark {
	display: none;
}

@media (prefers-color-scheme: dark) {
	.logo-light {
		display: none;
	}

	.logo-dark {
		display: block;
	}
}

.nav {
	display: flex;
	gap: 4px;
	margin-right: auto;
}

.nav a {
	padding: 6px 10px;
	border-radius: var(--r-sm);
	color: var(--muted);
	font-size: 15px;
	text-decoration: none;
}

.nav a:hover {
	color: var(--text);
	background: var(--hover);
}

.header-actions {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-left: auto;
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 40px;
	padding: 0 16px;
	border: 1px solid transparent;
	border-radius: var(--r);
	font: 560 15px/1 var(--font);
	text-decoration: none;
	white-space: nowrap;
	cursor: pointer;
}

.btn:hover {
	text-decoration: none;
}

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

.btn-primary:hover {
	background: color-mix(in srgb, var(--accent) 88%, black);
}

.btn-ghost {
	color: var(--text);
	border-color: var(--line-strong);
}

.btn-ghost:hover {
	background: var(--hover);
}

.btn-lg {
	min-height: 48px;
	padding: 0 22px;
	font-size: 16px;
}

.menu {
	display: none;
	position: relative;
}

.menu summary {
	display: grid;
	place-items: center;
	width: 40px;
	height: 40px;
	border-radius: var(--r);
	list-style: none;
	cursor: pointer;
}

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

.menu summary:hover {
	background: var(--hover);
}

.menu-panel {
	position: absolute;
	right: 0;
	top: calc(100% + 8px);
	display: grid;
	min-width: 220px;
	padding: 6px;
	background: var(--bg);
	border: 1px solid var(--line);
	border-radius: var(--r-lg);
	box-shadow: 0 12px 32px rgb(20 22 28 / 0.14), 0 2px 6px rgb(20 22 28 / 0.06);
}

.menu-panel a {
	padding: 10px 12px;
	border-radius: var(--r-sm);
	color: var(--text);
	text-decoration: none;
}

.menu-panel a:hover {
	background: var(--hover);
}

.icon {
	width: 20px;
	height: 20px;
	fill: none;
	stroke: currentColor;
	stroke-width: 1.8;
	stroke-linecap: round;
	stroke-linejoin: round;
}

/* Accueil : ouverture */

.hero {
	padding-top: clamp(48px, 8vw, 104px);
}

.hero h1 {
	max-width: 13ch;
	font-size: clamp(44px, 7.6vw, 96px);
	font-weight: 660;
	letter-spacing: -0.045em;
	line-height: 0.98;
}

.hero-lede {
	max-width: 46ch;
	margin-top: 28px;
	color: var(--muted);
	font-size: clamp(18px, 1.6vw, 21px);
	line-height: 1.55;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 36px;
}

.hero-note {
	margin-top: 18px;
	color: var(--muted);
	font-size: 15px;
}

.hero-shot {
	margin: clamp(48px, 6vw, 80px) 0 0;
}

/* Cadre de capture : rappelle une fenêtre de l'appli sans imiter un navigateur. */
.shot {
	margin: 0;
	overflow: hidden;
	background: var(--surface);
	border: 1px solid var(--line-strong);
	border-radius: var(--r-lg);
}

.shot img {
	width: 100%;
	height: auto;
}

.shot-caption {
	margin-top: 12px;
	color: var(--muted);
	font-size: 14px;
}

/* Sections */

.section {
	padding-block: clamp(72px, 10vw, 136px);
}

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

.section-head {
	display: grid;
	gap: 20px;
	max-width: 760px;
	margin-bottom: clamp(40px, 6vw, 72px);
}

.section-head p {
	max-width: 58ch;
	color: var(--muted);
	font-size: 19px;
}

/* Fonctions : rail façon barre d'apps de Synq, puis un bloc par module. */

.modules {
	display: grid;
	grid-template-columns: 232px minmax(0, 1fr);
	gap: clamp(32px, 5vw, 72px);
	align-items: start;
}

.rail {
	position: sticky;
	top: calc(var(--header) + 32px);
	display: grid;
	gap: 2px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.rail a {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 8px 10px 8px 8px;
	border-radius: var(--r);
	color: var(--muted);
	font-size: 16px;
	font-weight: 520;
	text-decoration: none;
}

.rail a:hover {
	color: var(--text);
	background: var(--hover);
}

.rail-icon {
	display: grid;
	flex: none;
	place-items: center;
	width: 36px;
	height: 36px;
	border-radius: var(--r);
	background: var(--surface);
	border: 1px solid var(--line);
}

.rail a[aria-current='true'] {
	color: var(--text);
	background: var(--accent-soft);
}

.rail a[aria-current='true'] .rail-icon {
	color: var(--on-accent);
	background: var(--accent);
	border-color: var(--accent);
}

.modules > div {
	min-width: 0;
}

.module {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: 22px;
	padding-bottom: clamp(56px, 7vw, 96px);
}

.module:last-child {
	padding-bottom: 0;
}

.module-title {
	display: flex;
	align-items: center;
	gap: 14px;
}

.module-title .rail-icon {
	display: none;
}

.module > p {
	max-width: 60ch;
	font-size: 19px;
}

.points {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 10px 32px;
	max-width: 760px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.points li {
	position: relative;
	padding-left: 22px;
	color: var(--muted);
	font-size: 16px;
	line-height: 1.5;
}

.points li::before {
	content: '';
	position: absolute;
	left: 2px;
	top: 0.62em;
	width: 8px;
	height: 8px;
	border-radius: 2px;
	background: var(--accent);
}

.points strong {
	color: var(--text);
	font-weight: 600;
}

.shot-pair {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}

/* IA, invités : deux colonnes texte, sans cartes. */

.split {
	display: grid;
	grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
	gap: clamp(40px, 6vw, 96px);
	align-items: start;
}

.split .section-head {
	margin-bottom: 0;
}

.facts {
	display: grid;
	margin: 0;
	border-top: 1px solid var(--line);
}

.facts div {
	display: grid;
	grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
	gap: 8px 32px;
	padding: 22px 0;
	border-bottom: 1px solid var(--line);
}

.facts dt {
	font-weight: 600;
	line-height: 1.4;
}

.facts dd {
	margin: 0;
	color: var(--muted);
	font-size: 16px;
	line-height: 1.55;
}

.invite-link {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-top: 28px;
	padding: 14px 16px;
	max-width: 520px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--r);
	color: var(--muted);
	font-size: 15px;
	overflow-wrap: anywhere;
}

.invite-link .icon {
	flex: none;
	color: var(--accent-ink);
}

/* Sécurité */

.security-shot {
	margin-bottom: clamp(40px, 5vw, 64px);
}

.honest {
	margin-top: 40px;
	padding: 20px 22px;
	max-width: 760px;
	border-left: 3px solid var(--accent);
	background: var(--surface);
	border-radius: 0 var(--r) var(--r) 0;
}

.honest h3 {
	font-size: 18px;
}

.honest p {
	margin-top: 6px;
	color: var(--muted);
	font-size: 16px;
}

/* Questions */

.faq {
	max-width: 840px;
	border-top: 1px solid var(--line);
}

.faq details {
	border-bottom: 1px solid var(--line);
}

.faq summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 22px 0;
	font-size: 19px;
	font-weight: 580;
	list-style: none;
	cursor: pointer;
}

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

.faq summary .icon {
	flex: none;
	color: var(--muted);
}

@media (prefers-reduced-motion: no-preference) {
	.faq summary .icon {
		transition: transform 0.18s ease;
	}
}

.faq details[open] summary .icon {
	transform: rotate(45deg);
}

.faq details > div {
	display: grid;
	gap: 12px;
	max-width: 68ch;
	padding-bottom: 24px;
	color: var(--muted);
}

/* Appel final */

.closing {
	background: var(--night);
	color: var(--night-text);
}

.closing .wrap {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: 32px 64px;
	align-items: end;
	padding-block: clamp(72px, 10vw, 128px);
}

.closing h2 {
	font-size: clamp(36px, 5.6vw, 72px);
	letter-spacing: -0.04em;
}

.closing p {
	max-width: 50ch;
	margin-top: 20px;
	color: var(--night-muted);
	font-size: 19px;
}

.closing .btn-ghost {
	color: var(--night-text);
	border-color: rgb(255 255 255 / 0.28);
}

.closing .btn-ghost:hover {
	background: rgb(255 255 255 / 0.08);
}

.closing :focus-visible {
	outline-color: #b3a5ff;
}

/* Pied de page */

.site-footer {
	padding-block: 48px;
	border-top: 1px solid var(--line);
	color: var(--muted);
	font-size: 15px;
}

.closing + .site-footer {
	border-top: 0;
}

.site-footer .wrap {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
}

.footer-links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 24px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.footer-links a {
	color: var(--muted);
	text-decoration: none;
}

.footer-links a:hover {
	color: var(--text);
	text-decoration: underline;
}

/* Pages de texte : manifeste, mentions, confidentialité, 404. */

.prose-page {
	padding-block: clamp(56px, 9vw, 120px);
}

.prose {
	max-width: 680px;
}

.prose h1 {
	font-size: clamp(40px, 6vw, 68px);
	letter-spacing: -0.04em;
	line-height: 1;
}

.prose .lede {
	margin-top: 24px;
	color: var(--muted);
	font-size: 21px;
	line-height: 1.5;
}

.prose h2 {
	margin-top: 56px;
	font-size: 26px;
	letter-spacing: -0.02em;
}

.prose p,
.prose ul,
.prose dl {
	margin-top: 16px;
}

.prose ul {
	padding-left: 22px;
}

.prose li + li {
	margin-top: 6px;
}

.prose .updated {
	margin-top: 56px;
	color: var(--muted);
	font-size: 15px;
}

.manifesto p {
	font-size: 20px;
	line-height: 1.65;
}

.manifesto p + p {
	margin-top: 22px;
}

.legal-list {
	display: grid;
	margin: 16px 0 0;
	border-top: 1px solid var(--line);
}

.legal-list div {
	display: grid;
	grid-template-columns: 220px minmax(0, 1fr);
	gap: 4px 24px;
	padding: 14px 0;
	border-bottom: 1px solid var(--line);
}

.legal-list dt {
	color: var(--muted);
}

.legal-list dd {
	margin: 0;
}

.todo {
	display: inline-block;
	padding: 1px 8px;
	border: 1px dashed var(--line-strong);
	border-radius: var(--r-sm);
	color: var(--muted);
	font-size: 15px;
}

.not-found {
	display: grid;
	gap: 24px;
	justify-items: start;
}

.not-found .code {
	color: var(--accent-ink);
	font-size: clamp(96px, 18vw, 200px);
	font-weight: 700;
	letter-spacing: -0.06em;
	line-height: 0.9;
}

/* Responsive */

@media (max-width: 1080px) {
	.nav {
		display: none;
	}

	.menu {
		display: block;
	}
}

@media (max-width: 900px) {
	.modules,
	.split,
	.closing .wrap {
		grid-template-columns: minmax(0, 1fr);
	}

	.rail {
		display: none;
	}

	.module-title .rail-icon {
		display: grid;
		color: var(--on-accent);
		background: var(--accent);
		border-color: var(--accent);
	}

	.closing .wrap {
		align-items: start;
	}
}

@media (max-width: 640px) {
	body {
		font-size: 16px;
	}

	.header-actions .btn-ghost {
		display: none;
	}

	.header-actions .btn {
		min-height: 36px;
		padding: 0 12px;
		font-size: 14px;
	}

	.site-header .wrap {
		gap: 12px;
	}

	.brand img {
		height: 26px;
	}

	.hero-actions .btn {
		flex: 1 1 auto;
	}

	.shot {
		border-radius: var(--r);
	}

	.shot-pair,
	.facts div,
	.legal-list div {
		grid-template-columns: minmax(0, 1fr);
	}

	.module > p,
	.section-head p {
		font-size: 17px;
	}

	.faq summary {
		font-size: 17px;
	}
}