/* UltraSanté — Âge apparent de la peau */

.us-skinage {
	--usk-ink: #1d2521;
	--usk-sage: #6b7f72;
	--usk-sand: #f4f1ea;
	--usk-gold: #b8965a;
	--usk-turquoise: #08b6a6;
	--usk-coral: #e07a5f;
	--usk-line: rgba(29, 37, 33, .12);
	--usk-radius: 16px;

	max-width: 760px;
	margin: 0 auto;
	font-family: 'Inter', system-ui, -apple-system, sans-serif;
	color: var(--usk-ink);
	line-height: 1.6;
}

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

/* ---------- Typo ---------- */
.usk-title {
	font-family: 'Fraunces', Georgia, serif;
	font-size: clamp(1.6rem, 4vw, 2.3rem);
	line-height: 1.15;
	margin: 0 0 .6rem;
	font-weight: 600;
}
.usk-title--sm { font-size: 1.5rem; }

.usk-lede {
	font-size: 1.05rem;
	color: var(--usk-sage);
	margin: 0 0 1.8rem;
}

.us-skinage h3 {
	font-family: 'Fraunces', Georgia, serif;
	font-size: 1.15rem;
	font-weight: 600;
	margin: 0 0 .6rem;
}

/* ---------- Bandeau confidentialité ---------- */
.usk-privacy-banner {
	display: flex;
	gap: .85rem;
	align-items: flex-start;
	background: rgba(8, 182, 166, .08);
	border: 1px solid rgba(8, 182, 166, .25);
	border-radius: var(--usk-radius);
	padding: 1rem 1.15rem;
	margin-bottom: 1.75rem;
}
.usk-privacy-banner svg {
	flex: 0 0 22px;
	width: 22px; height: 22px;
	fill: none;
	stroke: var(--usk-turquoise);
	stroke-width: 1.7;
	stroke-linejoin: round;
	margin-top: 2px;
}
.usk-privacy-banner p { margin: 0; font-size: .92rem; }

/* ---------- Champs ---------- */
.usk-field { margin-bottom: 1.25rem; }
.usk-field label {
	display: block;
	font-weight: 600;
	font-size: .95rem;
	margin-bottom: .4rem;
}
.us-skinage input[type="number"],
.us-skinage input[type="email"] {
	width: 100%;
	max-width: 260px;
	padding: .7rem .9rem;
	font: inherit;
	color: var(--usk-ink);
	background: #fff;
	border: 1px solid var(--usk-line);
	border-radius: 10px;
	transition: border-color .15s, box-shadow .15s;
}
.us-skinage input[type="email"] { max-width: none; }
.us-skinage input:focus {
	outline: none;
	border-color: var(--usk-turquoise);
	box-shadow: 0 0 0 3px rgba(8, 182, 166, .15);
}
.usk-hint {
	display: block;
	font-size: .82rem;
	color: var(--usk-sage);
	margin-top: .35rem;
}

/* ---------- Consentement ---------- */
.usk-consent {
	display: flex;
	gap: .65rem;
	align-items: flex-start;
	font-size: .88rem;
	color: var(--usk-sage);
	margin-bottom: 1.5rem;
	cursor: pointer;
}
.usk-consent input { margin-top: .25rem; flex: 0 0 auto; accent-color: var(--usk-turquoise); }
.usk-consent--sm { font-size: .82rem; margin: .8rem 0 0; }
.usk-consent a { color: var(--usk-gold); }

/* ---------- Boutons ---------- */
.usk-actions {
	display: flex;
	flex-wrap: wrap;
	gap: .75rem;
	margin-bottom: 1rem;
}
.usk-actions--center { justify-content: center; margin-top: 1.75rem; }

.usk-btn {
	display: inline-flex;
	align-items: center;
	gap: .5rem;
	padding: .8rem 1.4rem;
	font: inherit;
	font-weight: 600;
	font-size: .95rem;
	border-radius: 999px;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform .12s, background .15s, opacity .15s;
}
.usk-btn:active { transform: translateY(1px); }
.usk-btn:disabled { opacity: .45; cursor: not-allowed; }

.usk-btn--primary { background: var(--usk-ink); color: #fff; }
.usk-btn--primary:hover:not(:disabled) { background: #2f3d36; }

.usk-btn--ghost {
	background: transparent;
	color: var(--usk-ink);
	border-color: var(--usk-line);
}
.usk-btn--ghost:hover { background: var(--usk-sand); }

.usk-btn svg {
	width: 18px; height: 18px;
	fill: none; stroke: currentColor;
	stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}

.usk-note {
	font-size: .85rem;
	color: var(--usk-sage);
	margin: 0;
}

/* ---------- Capture ---------- */
.usk-stage {
	position: relative;
	width: 100%;
	max-width: 420px;
	aspect-ratio: 1;
	margin: 0 auto 1rem;
	border-radius: var(--usk-radius);
	overflow: hidden;
	background: #0d1310;
}
.usk-stage video {
	width: 100%; height: 100%;
	object-fit: cover;
	transform: scaleX(-1);
	display: block;
}
.usk-overlay { position: absolute; inset: 0; pointer-events: none; }
.usk-guide {
	position: absolute;
	top: 50%; left: 50%;
	width: 58%; height: 76%;
	transform: translate(-50%, -50%);
	border: 2px dashed rgba(255, 255, 255, .55);
	border-radius: 50% / 42%;
	pointer-events: none;
}

.usk-feedback {
	text-align: center;
	font-size: .92rem;
	font-weight: 500;
	color: var(--usk-sage);
	margin: 0 0 1rem;
	min-height: 1.4em;
}
.usk-feedback.is-ok { color: var(--usk-turquoise); }
.usk-feedback.is-warn { color: var(--usk-coral); }

.usk-step--capture .usk-actions { justify-content: center; }

/* ---------- Chargement ---------- */
.usk-step--loading { text-align: center; padding: 3rem 0; }
.usk-spinner {
	width: 42px; height: 42px;
	margin: 0 auto 1.25rem;
	border: 3px solid var(--usk-line);
	border-top-color: var(--usk-turquoise);
	border-radius: 50%;
	animation: usk-spin .9s linear infinite;
}
@keyframes usk-spin { to { transform: rotate(360deg); } }

.usk-loading-label { color: var(--usk-sage); font-size: .95rem; margin: 0 0 1rem; }

.usk-progress {
	width: 100%; max-width: 320px;
	height: 4px;
	margin: 0 auto;
	background: var(--usk-line);
	border-radius: 999px;
	overflow: hidden;
}
.usk-progress__bar {
	height: 100%;
	width: 0;
	background: var(--usk-turquoise);
	transition: width .35s ease;
}

/* ---------- Résultat ---------- */
.usk-result-grid {
	display: grid;
	grid-template-columns: 200px 1fr;
	gap: 1.75rem;
	align-items: center;
	margin-bottom: 1.75rem;
}
@media (max-width: 560px) {
	.usk-result-grid { grid-template-columns: 1fr; justify-items: center; text-align: center; }
}

.usk-thumb { margin: 0; }
.usk-thumb canvas {
	width: 100%;
	max-width: 200px;
	border-radius: var(--usk-radius);
	display: block;
}
.usk-thumb figcaption {
	font-size: .75rem;
	color: var(--usk-sage);
	margin-top: .5rem;
	text-align: center;
}

.usk-score { margin-bottom: 1.2rem; }
.usk-score__label {
	display: block;
	font-size: .85rem;
	text-transform: uppercase;
	letter-spacing: .06em;
	color: var(--usk-sage);
	margin-bottom: .2rem;
}
.usk-score__label em { text-transform: none; letter-spacing: 0; font-style: italic; }
.usk-score__value {
	display: block;
	font-family: 'Fraunces', Georgia, serif;
	font-size: clamp(2.4rem, 7vw, 3.4rem);
	line-height: 1;
	font-weight: 600;
	color: var(--usk-ink);
}
.usk-score--eye .usk-score__value { font-size: 1.9rem; color: var(--usk-sage); }
.usk-score__range {
	display: block;
	font-size: .85rem;
	color: var(--usk-sage);
	margin-top: .35rem;
}

/* ---------- Écart ---------- */
.usk-delta {
	padding: 1.1rem 1.3rem;
	border-radius: var(--usk-radius);
	border-left: 4px solid var(--usk-sage);
	background: var(--usk-sand);
	font-size: .95rem;
	margin-bottom: 1.75rem;
}
.usk-delta.is-good { border-left-color: var(--usk-turquoise); background: rgba(8, 182, 166, .08); }
.usk-delta.is-warn { border-left-color: var(--usk-coral); background: rgba(224, 122, 95, .09); }
.usk-delta.is-neutral { border-left-color: var(--usk-gold); background: rgba(184, 150, 90, .09); }

/* ---------- Jauge ---------- */
.usk-gauge { margin: 0 0 2rem; padding: 0 .5rem; }
.usk-gauge__track {
	position: relative;
	height: 6px;
	border-radius: 999px;
	background: linear-gradient(90deg, var(--usk-turquoise), var(--usk-sand) 50%, var(--usk-coral));
	margin-top: 2.6rem;
}
.usk-gauge__marker { position: absolute; top: 0; transform: translateX(-50%); }
.usk-gauge__marker i {
	display: block;
	width: 14px; height: 14px;
	border-radius: 50%;
	background: #fff;
	border: 3px solid var(--usk-ink);
	margin: -4px auto 0;
}
.usk-gauge__marker b {
	position: absolute;
	bottom: 20px; left: 50%;
	transform: translateX(-50%);
	font-size: .72rem;
	font-weight: 600;
	white-space: nowrap;
	color: var(--usk-sage);
}
.usk-gauge__marker--real i { border-color: var(--usk-sage); }
.usk-gauge__marker--skin i { border-color: var(--usk-gold); }
.usk-gauge__marker--skin b { bottom: -22px; color: var(--usk-gold); }

.usk-gauge__scale {
	display: flex;
	justify-content: space-between;
	font-size: .72rem;
	color: var(--usk-sage);
	margin-top: 2.2rem;
}

/* ---------- Blocs de contexte ---------- */
.usk-precision,
.usk-bridge {
	border-top: 1px solid var(--usk-line);
	padding-top: 1.5rem;
	margin-bottom: 1.5rem;
}
.usk-precision ul { margin: 0; padding-left: 1.2rem; }
.usk-precision li { margin-bottom: .5rem; font-size: .92rem; }
.usk-bridge p { font-size: .92rem; margin: 0 0 .7rem; }
.usk-bridge__links { display: flex; flex-direction: column; gap: .35rem; }
.usk-bridge__links a { color: var(--usk-gold); font-weight: 600; font-size: .92rem; }

/* ---------- Opt-in ---------- */
.usk-optin {
	background: var(--usk-sand);
	border-radius: var(--usk-radius);
	padding: 1.5rem;
	margin-bottom: 1rem;
}
.usk-optin p { font-size: .92rem; margin: 0 0 1rem; }
.usk-optin__row { display: flex; gap: .6rem; flex-wrap: wrap; }
.usk-optin__row input { flex: 1 1 220px; }
.usk-optin__msg { font-size: .85rem; margin: .7rem 0 0; min-height: 1.2em; }
.usk-optin__msg.is-err { color: var(--usk-coral); }

/* ---------- Erreur ---------- */
.usk-step--error { text-align: center; padding: 2.5rem 0; }
.usk-error-msg {
	max-width: 460px;
	margin: 0 auto;
	color: var(--usk-sage);
}

/* ---------- Disclaimer ---------- */
.usk-disclaimer {
	background: #e0f7fa;
	border-left: 4px solid #00acc1;
	padding: 16px 20px;
	margin-top: 32px;
	border-radius: 6px;
}
.usk-disclaimer p { margin: 0; font-size: .88rem; }

/* ---------- Analyse approfondie (IA) ---------- */
.usk-deep {
	margin-top: 1.75rem;
	border: 1px solid rgba(184, 150, 90, .35);
	background: linear-gradient(135deg, rgba(184, 150, 90, .07), rgba(8, 182, 166, .05));
	border-radius: var(--usk-radius);
	padding: 1.4rem 1.5rem;
}
.usk-deep__badge {
	display: inline-block;
	font-size: .72rem;
	font-weight: 700;
	letter-spacing: .08em;
	text-transform: uppercase;
	color: #fff;
	background: var(--usk-gold);
	border-radius: 999px;
	padding: .25rem .75rem;
	margin-bottom: .75rem;
}
.usk-deep__offer p { font-size: .95rem; margin: 0 0 1rem; }
.usk-deep__loading { text-align: center; padding: 1rem 0; }
.usk-deep__loading p { color: var(--usk-sage); font-size: .95rem; }

.usk-deep__age {
	display: flex;
	flex-direction: column;
	gap: .15rem;
	background: #fff;
	border: 1px solid var(--usk-line);
	border-radius: var(--usk-radius);
	padding: 1rem 1.25rem;
	margin-bottom: 1rem;
}
.usk-deep__resume {
	font-size: .98rem;
	margin: 0 0 1.1rem;
}
.usk-deep__result h4 {
	font-family: 'Fraunces', Georgia, serif;
	font-size: 1.05rem;
	font-weight: 600;
	margin: 1.1rem 0 .5rem;
}
.usk-deep__obs,
.usk-deep__tips {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: .5rem;
}
.usk-deep__obs li,
.usk-deep__tips li {
	background: #fff;
	border: 1px solid var(--usk-line);
	border-radius: 10px;
	padding: .6rem .85rem;
	font-size: .92rem;
}
.usk-deep__obs li strong { color: var(--usk-gold); }
.usk-deep__tips li {
	border-left: 3px solid var(--usk-turquoise);
}

/* ---------- Champs intro + checklist caméra (v1.2) ---------- */
.usk-intro-fields {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 0 1.25rem;
	margin-bottom: .35rem;
}
.us-skinage input[type="text"] {
	width: 100%;
	max-width: 260px;
	padding: .6rem .8rem;
	font: inherit;
	color: var(--usk-ink);
	background: #fff;
	border: 1px solid var(--usk-line);
	border-radius: 10px;
}
.us-skinage input[type="text"]:focus {
	outline: none;
	border-color: var(--usk-turquoise);
}
.usk-checklist {
	display: flex;
	flex-wrap: wrap;
	gap: .45rem;
	justify-content: center;
	margin: .8rem 0 .2rem;
}
.usk-checklist span {
	font-size: .78rem;
	color: var(--usk-sage);
	background: var(--usk-sand);
	border: 1px solid var(--usk-line);
	border-radius: 999px;
	padding: .28rem .7rem;
	white-space: nowrap;
}

/* ---------- Écran « rapport envoyé » (v2) ---------- */
.usk-step--sent { text-align: center; }
.usk-sent-icon {
	font-size: 2.6rem;
	line-height: 1;
	margin-bottom: .6rem;
}
.usk-sent-msg {
	font-size: 1.05rem;
	max-width: 480px;
	margin: 0 auto .4rem;
}
.usk-step--sent .usk-bridge { text-align: left; margin-top: 1.6rem; }
.usk-step--sent .usk-disclaimer { text-align: left; }

/* ---------- Marque Vis'Age (v2.1) ---------- */
.usk-brand {
	display: flex;
	align-items: baseline;
	gap: .8rem;
	flex-wrap: wrap;
	margin-bottom: .35rem;
}
.usk-brand__name {
	font-family: 'Fraunces', Georgia, serif;
	font-size: clamp(2rem, 5vw, 2.8rem);
	font-weight: 700;
	color: var(--usk-ink);
	letter-spacing: .01em;
}
.usk-brand__name::first-letter { color: var(--usk-gold); }
.usk-brand__slogan {
	font-size: .95rem;
	font-style: italic;
	color: var(--usk-gold);
	letter-spacing: .02em;
}
.us-skinage[data-step="intro"] .usk-title { font-size: clamp(1.25rem, 3vw, 1.6rem); color: var(--usk-sage); font-weight: 500; }