* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: Arial, Helvetica, sans-serif;
	background: linear-gradient(180deg, #ffffff 0%, #ffeaea 100%);
	min-height: 100vh;
	padding: 20px
}

.demo-container {
	max-width: 760px;
	margin: 0 auto
}

.demo-card {
	background: #fff;
	border-radius: 24px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
	padding: 30px
}

.demo-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 40px
}

.logo {
	height: 42px
}

.btn-login {
	background: #e9302a;
	color: #fff;
	text-decoration: none;
	padding: 12px 24px;
	border-radius: 999px;
	font-weight: 600
}

.demo-content {
	text-align: center
}

.demo-content h1 {
	font-size: 42px;
	line-height: 1.2;
	color: #2b2628;
	margin-bottom: 16px
}

.intro {
	color: #555;
	font-size: 18px;
	line-height: 1.6;
	margin-bottom: 15px
}

.video-duration {
	color: #e9302a;
	font-weight: 700;
	margin-bottom: 25px
}

.video-wrapper {
	width: 100%;
	margin-bottom: 30px
}

.video-wrapper video {
	width: 100%;
	display: block;
	border-radius: 12px;
	background: #000
}

.features {
	margin-bottom: 30px
}

.features p {
	margin-bottom: 10px;
	color: #333;
	font-size: 16px
}

.btn-primary {
	display: inline-flex;
	justify-content: center;
	align-items: center;
	min-height: 58px;
	padding: 0 32px;
	background: #e9302a;
	color: #fff;
	border-radius: 999px;
	text-decoration: none;
	font-size: 18px;
	font-weight: 700
}

.reassurance {
	margin-top: 18px;
	color: #555;
	font-size: 14px;
	font-weight: 600
}

@media ( max-width :768px) {
	body {
		padding: 12px
	}
	.demo-card {
		padding: 22px;
		border-radius: 20px
	}
	.demo-content h1 {
		font-size: 30px
	}
	.intro {
		font-size: 16px
	}
	.btn-login {
		padding: 10px 18px;
		font-size: 14px
	}
	.btn-primary {
		width: 100%;
		font-size: 16px
	}
}

/* =========================================
   WHATSAPP FLOATING BUTTON – CLS SAFE
========================================= */
.whatsapp-fab {
	position: fixed;
	right: 16px;
	bottom: 88px; /* ✅ conserve l’espace pour CTA mobile */
	z-index: 1000;
	/* ✅ dimensions FIXES → zéro CLS */
	width: 56px;
	height: 56px;
	border-radius: 50%;
	background-color: #25d366;
	color: #ffffff;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 6px 10px rgba(0, 0, 0, 0.18), 0 1px 3px
		rgba(0, 0, 0, 0.12);
	text-decoration: none;
	/* ✅ CLS KILLER */
	contain: layout style paint;
	/* ✅ animations visuelles uniquement */
	transition: transform 0.2s ease, box-shadow 0.2s ease, background-color
		0.2s ease;
}

/* Hover / focus (desktop uniquement) */
.whatsapp-fab:hover, .whatsapp-fab:focus {
	background-color: #20ba5a;
	transform: translateY(-2px);
	box-shadow: 0 10px 18px rgba(0, 0, 0, 0.22), 0 4px 6px
		rgba(0, 0, 0, 0.16);
}

/* =========================================
   DESKTOP REFINEMENT
========================================= */
@media ( min-width : 768px) {
	.whatsapp-fab {
		bottom: 24px; /* ✅ identique à l’existant */
		right: 24px;
	}

	/* Tooltip desktop */
	.whatsapp-fab::after {
		content: "Besoin d’aide ?";
		position: absolute;
		right: 68px;
		bottom: 50%;
		transform: translateY(4px);
		white-space: nowrap;
		background: #333;
		color: #fff;
		font-size: 13px;
		padding: 6px 10px;
		border-radius: 6px;
		opacity: 0;
		pointer-events: none;
		/* ✅ hors flux → aucun CLS */
		will-change: transform, opacity;
		transition: opacity 0.2s ease, transform 0.2s ease;
	}
	.whatsapp-fab:hover::after {
		opacity: 1;
		transform: translateY(0);
	}
}