/* ==========================================================================
   Innadvise — composants communs à toutes les pages
   En-tête + navigation · Logo · Formulaire « Échangez avec Sam » · FAQ ·
   Assistant (démonstration) · Pied de page
   ========================================================================== */

/* ---------- Logo (SVG en ligne, couleurs pilotées par la charte) ---------- */
.logo { width: 150px; height: auto; }
.logo__ink { fill: var(--logo-ink, var(--color-primary)); transition: fill var(--duration-base); }
.logo__accent { fill: var(--color-accent); }

.brand { position: relative; z-index: 2; display: inline-flex; flex-direction: column; gap: 2px; text-decoration: none; flex: none; }
.brand__tagline {
	font: italic var(--font-weight-display) 15px/1.1 var(--font-display);
	color: var(--tagline, var(--color-accent-text));
	padding-left: 2px;
	transition: color var(--duration-base);
}

/* ==========================================================================
   En-tête
   Pages standard : blanc, collant. Accueil (.has-hero) : transparent sur le hero,
   blanc dès que le hero est passé (classe .is-solid posée par site.js).
   ========================================================================== */
.site-header {
	position: sticky; top: 0; z-index: 50;
	padding-top: env(safe-area-inset-top, 0px);
	background: var(--color-base);
	box-shadow: 0 1px 0 var(--color-line);
	transition: background var(--duration-base), box-shadow var(--duration-base);
}
.site-header__in { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--header-height); }

.has-hero .site-header { position: fixed; left: 0; right: 0; }
.has-hero .site-header:not(.is-solid) { background: transparent; box-shadow: none; --logo-ink: var(--color-base); --tagline: var(--color-accent); --nav-ink: var(--color-base); }
.has-hero .site-header:not(.is-solid) .nav__cta { background: var(--color-base); color: var(--color-primary); }
.has-hero .site-header:not(.is-solid) .nav__cta:hover { background: var(--color-accent-soft); }

/* ---------- Navigation (bureau) ---------- */
.nav { display: flex; align-items: center; gap: 6px; }
.nav__list { display: flex; align-items: center; gap: 6px; }
.nav__item { position: relative; }
.nav__link {
	display: flex; align-items: center; gap: 6px;
	padding: 10px 12px; border: 0; background: none; cursor: pointer;
	font-size: var(--fs-small); font-weight: var(--font-weight-medium);
	color: var(--nav-ink, var(--color-ink));
	text-decoration: none; border-radius: var(--radius-sm);
	transition: color var(--duration-base);
}
.nav__label { padding-bottom: 4px; background: linear-gradient(var(--color-accent), var(--color-accent)) 0 100% / 0 2px no-repeat; transition: background-size var(--duration-base); }
.nav__link:hover .nav__label, .nav__item.is-open > .nav__link .nav__label { background-size: 100% 2px; }
.nav__item.is-current > .nav__link .nav__label { background-size: 100% 2px; font-weight: var(--font-weight-strong); }
.nav__caret { display: inline-block; font-size: 10px; transition: transform var(--duration-fast); }
.nav__item.is-open .nav__caret { transform: rotate(180deg); }
.nav__cta { margin-left: 6px; }

.nav__sub {
	position: absolute; top: 100%; left: 0; z-index: 10;
	min-width: 240px; margin-top: 6px; padding: 6px;
	display: grid; gap: 2px;
	background: var(--color-base); border: 1px solid var(--color-line); border-radius: var(--radius-md);
	box-shadow: var(--shadow-float);
	opacity: 0; visibility: hidden; transform: translateY(-4px);
	transition: opacity var(--duration-fast), transform var(--duration-fast), visibility 0s linear var(--duration-fast);
}
.nav__sub::before { content: ""; position: absolute; inset: -8px 0 auto; height: 8px; } /* pont de survol */
.nav__item.is-open > .nav__sub { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.nav__sub a {
	display: block; padding: 9px 12px; border-radius: var(--radius-sm);
	color: var(--color-ink); text-decoration: none; white-space: nowrap; font-size: var(--fs-small);
}
.nav__sub a:hover, .nav__sub a:focus-visible { background: var(--color-accent-soft); color: var(--color-primary); }
.nav__sub a[aria-current="page"] { font-weight: var(--font-weight-strong); color: var(--color-primary); box-shadow: inset 3px 0 0 var(--color-accent); }

/* Menu déroulant enrichi « Nos expertises hôtelières » : icône + titre + ligne de détail */
.nav__sub--rich { min-width: 320px; padding: 8px; }
.nav__sub .nav__rich { display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px; border-radius: var(--radius-md); }
.nav__icon { flex: none; width: 24px; display: flex; justify-content: center; padding-top: 2px; color: var(--color-primary); }
.nav__icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nav__text { display: flex; flex-direction: column; gap: 2px; }
.nav__title { font-size: var(--fs-base); font-weight: var(--font-weight-medium); color: var(--color-ink); }
.nav__detail { font-size: var(--fs-x-small); color: var(--color-accent-text); }
.nav__sub .nav__rich[aria-current="page"] .nav__title { font-weight: var(--font-weight-strong); color: var(--color-primary); }
.nav__sub .nav__rich:hover .nav__icon, .nav__sub .nav__rich:focus-visible .nav__icon { color: var(--color-accent-text); }

/* ---------- Bouton menu (mobile) ---------- */
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 50%; background: transparent; cursor: pointer; position: relative; color: var(--nav-ink, var(--color-primary)); }
.nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after { position: absolute; left: 11px; width: 22px; height: 2px; border-radius: 2px; background: currentColor; transition: transform var(--duration-base), opacity var(--duration-base); }
.nav-toggle__bars { top: 21px; }
.nav-toggle__bars::before, .nav-toggle__bars::after { content: ""; left: 0; }
.nav-toggle__bars::before { top: -7px; }
.nav-toggle__bars::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(7px) rotate(45deg); background: var(--color-base); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-7px) rotate(-45deg); background: var(--color-base); }

/* ---------- Navigation mobile : panneau plein écran ---------- */
@media (max-width: 1023px) {
	.logo { width: 124px; }
	.brand__tagline { font-size: 13px; }
	.nav-toggle { display: block; z-index: 2; }
	.nav {
		position: fixed; inset: 0; z-index: 1;
		flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 28px;
		padding: calc(env(safe-area-inset-top, 0px) + var(--header-height) + 16px) max(var(--gutter), env(safe-area-inset-right, 0px)) calc(env(safe-area-inset-bottom, 0px) + 32px) max(var(--gutter), env(safe-area-inset-left, 0px));
		background: var(--color-primary-deep);
		overflow-y: auto;
		opacity: 0; visibility: hidden; transition: opacity var(--duration-base), visibility 0s linear var(--duration-base);
	}
	.nav.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
	.nav__list { flex-direction: column; align-items: stretch; gap: 0; }
	.nav__item { border-bottom: 1px solid color-mix(in srgb, var(--color-base) 12%, transparent); }
	.nav__link { width: 100%; justify-content: space-between; padding: 18px 0; color: var(--color-base); font: var(--font-weight-display) 26px/1.1 var(--font-display); }
	.nav__label { padding-bottom: 0; background: none !important; }
	.nav__item.is-current > .nav__link { color: var(--color-accent); }
	.nav__sub a[aria-current="page"] { color: var(--color-accent); box-shadow: none; }
	.nav__caret { font-size: 14px; color: var(--color-accent); }
	.nav__sub { position: static; min-width: 0; margin: 0 0 14px; padding: 0; background: none; border: 0; box-shadow: none; transform: none; display: none; opacity: 1; visibility: visible; transition: none; }
	.nav__item.is-open > .nav__sub { display: grid; }
	.nav__sub a { color: color-mix(in srgb, var(--color-base) 82%, transparent); font-size: var(--fs-lead); padding: 10px 0; white-space: normal; }
	.nav__sub a:hover, .nav__sub a:focus-visible { background: none; color: var(--color-accent); }
	.nav__sub--rich { min-width: 0; padding: 0; }
	.nav__sub .nav__rich { padding: 12px 0; }
	.nav__icon { color: var(--color-accent); }
	.nav__title { color: var(--color-base); font-size: var(--fs-lead); }
	.nav__detail { color: color-mix(in srgb, var(--color-base) 65%, transparent); }
	.nav__sub .nav__rich[aria-current="page"] .nav__title { color: var(--color-accent); }
	.nav__item:not([data-sub]) { border-bottom: 1px solid color-mix(in srgb, var(--color-base) 12%, transparent); }
	.nav__cta { margin: 0; align-self: flex-start; background: var(--color-accent) !important; color: var(--color-primary-deep) !important; }
	.nav-open { overflow: hidden; }
	.nav-open .site-header { --logo-ink: var(--color-base); --tagline: var(--color-accent); background: transparent; box-shadow: none; }
}

/* ==========================================================================
   Formulaire « Échangez avec Sam »
   Wireframe : formulaire 2 colonnes à gauche, photo 180 × 210 à droite.
   ========================================================================== */
.sam__in { display: flex; flex-direction: column; align-items: center; gap: var(--space-50); }
.sam__body {
	width: 100%; max-width: var(--width-form);
	display: grid; grid-template-columns: minmax(0, 1fr) 180px; grid-template-areas: "form person";
	gap: 40px; align-items: center;
}
.sam__form { grid-area: form; }
.sam__person { grid-area: person; display: grid; gap: 10px; }
.sam__photo { height: 210px; border-radius: var(--radius-lg); box-shadow: var(--shadow-photo); overflow: hidden; background: var(--color-surface); }
.sam__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.sam__person figcaption { text-align: center; font-size: var(--fs-small); color: var(--color-muted); }
.sam__person figcaption b { color: var(--color-primary); font-weight: var(--font-weight-strong); }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: var(--fs-x-small); font-weight: var(--font-weight-strong); color: var(--color-primary); }
.field input, .field select, .field textarea {
	width: 100%; padding: 12px 14px;
	font-size: var(--fs-base); line-height: 1.4;
	background: var(--color-base); color: var(--color-ink);
	border: 1px solid var(--color-line); border-radius: var(--radius-md);
	transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-line)); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-accent-soft); }
.select { position: relative; }
.select select { appearance: none; padding-right: 40px; cursor: pointer; }
.select::after { content: ""; position: absolute; right: 16px; top: 50%; width: 8px; height: 8px; border-right: 1.5px solid var(--color-primary); border-bottom: 1.5px solid var(--color-primary); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.form__actions { display: flex; justify-content: center; gap: 12px; padding-top: 4px; }

/* ==========================================================================
   FAQ (accordéon natif <details name> : une seule réponse ouverte à la fois)
   ========================================================================== */
.faq { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.faq__title { font-size: var(--fs-h2); margin-bottom: 8px; }
.qa { background: var(--color-base); border: 1px solid var(--color-line); border-radius: var(--radius-xl); transition: border-color var(--duration-fast), box-shadow var(--duration-fast); }
.qa:hover { border-color: color-mix(in srgb, var(--color-primary) 25%, var(--color-line)); }
.qa[open] { box-shadow: var(--shadow-panel); border-color: transparent; }
.qa summary {
	list-style: none; cursor: pointer;
	display: flex; justify-content: space-between; align-items: center; gap: 18px;
	padding: 18px 22px;
	font: 400 clamp(18px, 1.6vw, 21px)/var(--line-height-title) var(--font-display);
	color: var(--color-primary);
	border-radius: var(--radius-xl);
}
.qa summary::-webkit-details-marker { display: none; }
.qa__q { flex: 1; min-width: 0; }
.qa summary::after {
	content: "+"; flex: none;
	width: 34px; height: 34px; border-radius: 50%;
	display: grid; place-items: center;
	border: 1px solid var(--color-primary);
	font: 400 20px/1 var(--font-body); color: var(--color-primary);
	transition: background var(--duration-fast), color var(--duration-fast);
}
.qa[open] summary::after { content: "–"; background: var(--color-primary); color: var(--color-base); }
.qa p { padding: 0 22px 20px; color: var(--color-muted); text-wrap: pretty; }

/* ---------- Assistant (V1 : démonstration, pas de chatbot) ---------- */
.faq-block__in { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; }
.faq-block__in--solo { grid-template-columns: 1fr; } /* FAQ pleine largeur tant que l'assistant est désactivé */
.faq-block__in--solo .qa summary { font-size: clamp(18px, 1.7vw, 23px); padding: 22px 28px; }
.faq-block__in--solo .qa p { padding: 0 28px 24px; max-width: 110ch; font-size: var(--fs-lead); }
.assistant {
	height: 440px; display: flex; flex-direction: column;
	background: var(--color-base); border: 1px solid var(--color-line); border-radius: var(--radius-xl);
	box-shadow: var(--shadow-panel); overflow: hidden; min-width: 0;
}
.assistant__head { display: flex; align-items: center; gap: 10px; padding: 16px 20px; border-bottom: 1px solid var(--color-line); color: var(--color-primary); font-size: var(--fs-small); }
.assistant__head b { font-weight: var(--font-weight-strong); }
.assistant__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 0 4px var(--color-accent-soft); }
.assistant__body { position: relative; flex: 1; padding: 18px; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.assistant__body > video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.assistant__input { display: flex; gap: 8px; align-items: center; padding: 12px; border-top: 1px solid var(--color-line); }
.assistant__input span:first-child { flex: 1; padding: 9px 16px; border: 1px solid var(--color-line); border-radius: var(--radius-pill); color: var(--color-muted); font-size: var(--fs-small); }
.assistant__send { padding: 9px 16px; border-radius: var(--radius-pill); background: var(--color-primary); color: var(--color-base); font-size: var(--fs-x-small); font-weight: var(--font-weight-strong); }

.bubble { max-width: 80%; padding: 10px 16px; border-radius: 18px; font-size: var(--fs-small); line-height: 1.45; }
.bubble--bot { align-self: flex-start; background: var(--color-surface); color: var(--color-ink); border-bottom-left-radius: 6px; }
.bubble--me { align-self: flex-end; background: var(--color-primary); color: var(--color-base); border-bottom-right-radius: 6px; }

/* ==========================================================================
   Pied de page
   ========================================================================== */
.site-footer { background: var(--color-primary-deep); color: color-mix(in srgb, var(--color-base) 72%, transparent); font-size: var(--fs-small); padding-block: 64px calc(env(safe-area-inset-bottom, 0px) + 32px); --logo-ink: var(--color-base); --tagline: var(--color-accent); }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.site-footer .logo { width: 170px; }
.site-footer__title { margin-bottom: 14px; font: var(--font-weight-strong) 11px var(--font-body); letter-spacing: var(--letter-spacing-eyebrow); text-transform: uppercase; color: var(--color-base); }
.site-footer ul { list-style: none; padding: 0; display: grid; gap: 9px; }
.site-footer a { text-decoration: none; transition: color var(--duration-fast); }
.site-footer a:hover { color: var(--color-base); text-decoration: underline; text-decoration-color: var(--color-accent); text-underline-offset: 4px; }
.site-footer address { font-style: normal; display: grid; gap: 9px; }
.site-footer--simple { padding-block: 40px calc(env(safe-area-inset-bottom, 0px) + 40px); }
.site-footer__simple { display: flex; justify-content: space-between; align-items: center; gap: 20px 32px; flex-wrap: wrap; font-size: var(--fs-x-small); }
.site-footer__base { margin-top: 48px; padding-top: 20px; border-top: 1px solid color-mix(in srgb, var(--color-base) 12%, transparent); display: flex; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; font-size: var(--fs-x-small); }

/* ==========================================================================
   Adaptations mobiles (propositions — à valider)
   ========================================================================== */
@media (max-width: 860px) {
	.faq-block__in { grid-template-columns: 1fr; }
	.assistant { height: 360px; }
	.site-footer__grid { grid-template-columns: 1fr 1fr; }
	.site-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
	/* Sam : la photo passe au-dessus du formulaire, en ligne avec la légende */
	.sam__body { grid-template-columns: 1fr; grid-template-areas: "person" "form"; gap: 24px; }
	.sam__person { grid-template-columns: 96px 1fr; align-items: center; gap: 16px; }
	.sam__photo { height: 112px; }
	.sam__person figcaption { text-align: left; font-size: var(--fs-base); }
	.form { grid-template-columns: 1fr; }
	.form__actions .btn { width: 100%; }
	.qa summary { padding: 16px 18px; }
	.qa p { padding: 0 18px 18px; }
}
@media (max-width: 400px) {
	.site-footer__grid { grid-template-columns: 1fr; }
}