/* =========================================================================
   Territoires Communs — Feuille de style principale
   Organisation :
     1. Tokens de design (variables)
     2. Reset & base
     3. Typographie
     4. Layout (container, sections, grilles)
     5. Boutons
     6. En-tête & navigation
     7. Hero
     8. Composants (cartes, listes, FAQ, prose, encadrés, formulaire)
     9. Pied de page
    10. Utilitaires, accessibilité & responsive
   ========================================================================= */

/* 1. TOKENS ============================================================== */
:root {
    /* Couleurs de marque */
    --c-primary: #500ef7;
    --c-primary-dark: #3a08c0;
    --c-primary-soft: #f8f5ff;
    --c-accent: #f58220;
    --c-accent-dark: #d96d12;

    /* Texte */
    --c-ink: #150243;       /* titres */
    --c-ink-strong: #100f1b;
    --c-body: #373642;      /* paragraphes */
    --c-muted: #7a7c7b;

    /* Surfaces & lignes */
    --c-bg: #ffffff;
    --c-bg-alt: #f8f5ff;
    --c-bg-deep: #150243;
    --c-line: #e6e2ef;
    --c-line-warm: #e2dedc;

    /* Typographie */
    --font: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --fs-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
    --lh-base: 1.7;

    /* Rythme & rayons */
    --maxw: 1180px;
    --maxw-narrow: 820px;
    --space-section: clamp(2.25rem, 1.6rem + 2vw, 3.75rem);
    --radius: 14px;
    --radius-sm: 9px;
    --shadow-sm: 0 2px 10px rgba(21, 2, 67, 0.06);
    --shadow-md: 0 14px 40px rgba(21, 2, 67, 0.12);
    --transition: 0.22s ease;
}

/* 2. RESET & BASE ======================================================== */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: var(--fs-base);
    line-height: var(--lh-base);
    color: var(--c-body);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

a { color: var(--c-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-primary-dark); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--c-accent);
    outline-offset: 2px;
    border-radius: 3px;
}

/* 3. TYPOGRAPHIE ======================================================== */
h1, h2, h3, h4 {
    color: var(--c-ink);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 0.6em;
    text-wrap: balance; /* évite les mots orphelins en fin de titre */
}
h1 { font-size: clamp(2rem, 1.4rem + 2.8vw, 3.15rem); }
h2 { font-size: clamp(1.55rem, 1.2rem + 1.5vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p { margin: 0 0 1.1em; }
strong { color: var(--c-ink-strong); font-weight: 600; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.3em; }
li { margin-bottom: 0.5em; }

/* 4. LAYOUT ============================================================= */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 0.5rem + 2vw, 2rem); }

.section { padding-block: var(--space-section); }
.section--alt { background: var(--c-bg-alt); }
.section--deep { background: var(--c-bg-deep); color: #efeaff; }
.section--deep h2, .section--deep h3 { color: #fff; }
.section--narrow .container { max-width: var(--maxw-narrow); }
.section--intro { padding-bottom: 0; } /* paragraphe d'intro collé à la section suivante */

.section__head { max-width: 760px; margin-bottom: clamp(1.5rem, 1rem + 2vw, 2.75rem); }
.section__head--center { margin-inline: auto; text-align: center; }
.section__eyebrow {
    display: inline-block;
    font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--c-primary); margin-bottom: 0.75rem;
}
.section--deep .section__eyebrow { color: var(--c-accent); }
.lead { font-size: 1.15rem; color: var(--c-body); }

.grid { display: grid; gap: clamp(1.25rem, 1rem + 1.5vw, 2rem); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }

/* 5. BOUTONS ============================================================ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
    font-weight: 600; font-size: 0.98rem; line-height: 1;
    padding: 0.95em 1.6em; border-radius: 999px; border: 2px solid transparent;
    cursor: pointer; transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn--sm { padding: 0.7em 1.15em; font-size: 0.9rem; }
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-dark); color: #fff; }
.btn--accent { background: var(--c-accent); color: #fff; }
.btn--accent:hover { background: var(--c-accent-dark); color: #fff; }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.7); }
.btn--ghost:hover { background: rgba(255,255,255,0.14); color: #fff; }
.btn--outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn--outline:hover { background: var(--c-primary); color: #fff; }

/* 6. EN-TÊTE & NAVIGATION ============================================== */
.skip-link {
    position: absolute; left: 1rem; top: -100px; z-index: 1000;
    background: var(--c-primary); color: #fff; padding: 0.7em 1.1em; border-radius: 0 0 8px 8px;
    transition: top var(--transition);
}
.skip-link:focus { top: 0; color: #fff; }

.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: saturate(140%) blur(8px);
    border-bottom: 1px solid var(--c-line);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 84px; }
.site-header__logo img { width: auto; height: 60px; }

.primary-nav__list { display: flex; align-items: center; gap: 0.35rem; list-style: none; margin: 0; padding: 0; }
.primary-nav__link {
    display: inline-block; padding: 0.6em 0.9em; border-radius: 8px;
    color: var(--c-ink); font-weight: 600; font-size: 0.97rem;
}
.primary-nav__link:hover { color: var(--c-primary); background: var(--c-primary-soft); }
.primary-nav__link.is-active { color: var(--c-primary); }
.primary-nav__item--cta { margin-left: 0.4rem; }

/* Sous-menu Services */
.has-submenu { position: relative; }
.submenu-toggle { display: none; background: none; border: 0; cursor: pointer; font-size: 0.8rem; color: var(--c-ink); padding: 0.4em; }
/* Pont invisible : évite que le sous-menu disparaisse quand la souris
   traverse l'espace entre le lien et la liste déroulante. */
.has-submenu::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 14px; }
.submenu {
    position: absolute; top: calc(100% + 6px); left: 0; min-width: 270px;
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md); padding: 0.5rem; list-style: none; margin: 0;
    opacity: 0; visibility: hidden; transform: translateY(8px); transition: var(--transition);
}
.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu__link { display: block; padding: 0.6em 0.8em; border-radius: 7px; color: var(--c-body); font-weight: 500; font-size: 0.94rem; }
.submenu__link:hover, .submenu__link.is-active { background: var(--c-primary-soft); color: var(--c-primary); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 0.6em; cursor: pointer; }
.nav-toggle__bar { width: 26px; height: 2px; background: var(--c-ink); border-radius: 2px; transition: var(--transition); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 7. HERO =============================================================== */
.hero { position: relative; display: flex; align-items: center; min-height: clamp(360px, 52vh, 560px); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(125deg, rgba(80,14,247,0.92) 22%, rgba(80,14,247,0.62) 38%, rgba(16,15,27,0.72) 78%); }
.hero__inner { position: relative; z-index: 1; padding-block: clamp(3rem, 2rem + 5vw, 5.5rem); color: #fff; max-width: 760px; }
.hero__eyebrow { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: #ffd9b8; margin-bottom: 0.8rem; }
.hero__title { color: #fff; margin-bottom: 0.5em; }
.hero__subtitle { font-size: clamp(1.15rem, 1rem + 0.8vw, 1.5rem); font-weight: 600; color: #fff; margin-bottom: 0.7em; }
.hero__lead { font-size: 1.1rem; color: rgba(255,255,255,0.92); max-width: 60ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.6rem; }
.page-home .hero { min-height: clamp(440px, 64vh, 640px); }

/* 8. COMPOSANTS ======================================================== */
/* Prose : blocs de texte longs (pages services/à propos) */
.prose { max-width: 72ch; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; color: var(--c-primary); }
.prose ul { list-style: none; padding-left: 0; }
.prose ul li { position: relative; padding-left: 1.7em; }
.prose ul li::before {
    content: ""; position: absolute; left: 0; top: 0.6em;
    width: 0.55em; height: 0.55em; border-radius: 50%; background: var(--c-accent);
}

/* Cartes de service (accueil) */
.service-card {
    display: flex; flex-direction: column; gap: 0.4rem; height: 100%;
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
    padding: 1.8rem; box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card__icon {
    width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 0.6rem;
    background: var(--c-primary-soft); color: var(--c-primary); border-radius: 12px;
}
.service-card__icon svg { width: 28px; height: 28px; }
.service-card h3 { margin-bottom: 0.35em; font-size: 1.22rem; }
.service-card h3 a { color: var(--c-ink); }
.service-card h3 a:hover { color: var(--c-primary); }
.service-card p { margin-bottom: 0.9rem; color: var(--c-body); }
.service-card__more { margin-top: auto; font-weight: 600; color: var(--c-primary); }
.service-card__more::after { content: " →"; }

/* Cartes service avec image (page services) */
.service-feature {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(1.25rem, 1rem + 2vw, 3rem);
    align-items: center; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
}
.service-feature:nth-child(even) { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
.service-feature:nth-child(even) .service-feature__media { order: 2; }
.service-feature__media { align-self: stretch; }
.service-feature__media img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
.service-feature__body { padding: clamp(1.4rem, 1rem + 2vw, 2.4rem); }
.service-feature__body h3 { margin-bottom: 0.5em; }
.service-feature__price { display: inline-block; margin-top: 0.4rem; font-weight: 600; color: var(--c-primary); background: var(--c-primary-soft); padding: 0.35em 0.85em; border-radius: 999px; font-size: 0.92rem; }

/* Image + texte (intro pages) */
.media-text { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(1.5rem, 1rem + 3vw, 3.5rem); align-items: center; }
.media-text__img img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; }
.media-text--reverse .media-text__img { order: 2; }

/* Encadré (callout / investissement) */
.callout {
    background: var(--c-primary-soft); border: 1px solid var(--c-line);
    border-left: 5px solid var(--c-primary); border-radius: var(--radius-sm);
    padding: clamp(1.25rem, 1rem + 1.5vw, 2rem);
}
.callout--accent { border-left-color: var(--c-accent); }
.callout h3 { color: var(--c-ink); }

/* Liste « checks » (bénéfices) */
.checklist { list-style: none; padding-left: 0; display: grid; gap: 0.7rem; }
.checklist li { position: relative; padding-left: 2em; }
.checklist li::before {
    content: "✓"; position: absolute; left: 0; top: 0;
    color: var(--c-primary); font-weight: 700;
    width: 1.4em; height: 1.4em; display: grid; place-items: center;
    background: var(--c-primary-soft); border-radius: 50%; font-size: 0.85em;
}

/* Tarifs */
.price-list { list-style: none; padding-left: 0; display: grid; gap: 0.6rem; }
.price-list li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; padding: 0.9em 1.1em; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm); }
.price-list .price { font-weight: 700; color: var(--c-primary); white-space: nowrap; }

/* Régions desservies */
.areas { display: grid; gap: 1.25rem; }
.area-block { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm); padding: 1.25rem 1.5rem; }
.area-block h3 { color: var(--c-primary); margin-bottom: 0.3em; font-size: 1.1rem; }
.area-block p { margin: 0; color: var(--c-body); }

/* FAQ */
.faq { display: grid; gap: 0.85rem; max-width: 820px; }
.faq__item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm); overflow: hidden; }
.faq__q { width: 100%; text-align: left; background: none; border: 0; cursor: pointer; padding: 1.1em 1.3em; font-family: inherit; font-size: 1.05rem; font-weight: 600; color: var(--c-ink); display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.faq__q::after { content: "+"; font-size: 1.5rem; color: var(--c-primary); transition: transform var(--transition); line-height: 1; }
.faq__q[aria-expanded="true"]::after { content: "−"; }
.faq__a { padding: 0 1.3em; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq__a > div { padding-bottom: 1.2em; }
.faq__item.is-open .faq__a { max-height: 600px; }

/* Bandeau d'appel à l'action */
.cta-band { text-align: center; }
.cta-band .container { max-width: 720px; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.9); margin-bottom: 1.6rem; }

/* Formulaire de contact */
.contact-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(1.5rem, 1rem + 3vw, 3.5rem); align-items: start; }
.form-field { margin-bottom: 1.1rem; }
.form-field label { display: block; font-weight: 600; color: var(--c-ink); margin-bottom: 0.4rem; }
.form-field .req { color: var(--c-accent); }
.form-field input, .form-field textarea, .form-field select {
    width: 100%; font-family: inherit; font-size: 1rem; color: var(--c-body);
    padding: 0.8em 1em; border: 1px solid var(--c-line-warm); border-radius: var(--radius-sm);
    background: #fff; transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(80,14,247,0.12); outline: none; }
.form-field textarea { min-height: 150px; resize: vertical; }
.form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: 0.85rem; color: var(--c-muted); }
.form-status { padding: 1em 1.2em; border-radius: var(--radius-sm); margin-bottom: 1.2rem; font-weight: 500; }
.form-status--ok { background: #e7f7ec; border: 1px solid #aadfba; color: #1d6b36; }
.form-status--err { background: #fdeaea; border: 1px solid #f1b5b5; color: #9a2222; }

.contact-info { background: var(--c-primary-soft); border: 1px solid var(--c-line); border-radius: var(--radius); padding: clamp(1.5rem, 1rem + 2vw, 2.4rem); }
.contact-info h2 { font-size: 1.35rem; }
.contact-info__list { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: 0.9rem; }
.contact-info__list li { display: flex; gap: 0.8rem; align-items: flex-start; }
.contact-info__list .ico { color: var(--c-primary); flex: 0 0 auto; margin-top: 2px; }
.contact-info__list .ico svg { width: 22px; height: 22px; display: block; }

/* 9. PIED DE PAGE ====================================================== */
.site-footer { background: var(--c-bg-deep); color: #d9d2f2; margin-top: 0; }
.site-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: clamp(1.5rem, 1rem + 2vw, 3rem); padding-block: clamp(2.5rem, 2rem + 3vw, 4rem); }
.site-footer__brand img { height: 72px; width: auto; filter: brightness(0) invert(1); margin-bottom: 0.9rem; }
.site-footer__tagline { font-weight: 600; color: #fff; margin-bottom: 0.4rem; }
.site-footer__note { font-size: 0.92rem; color: #b3a9d9; }
.site-footer__heading { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; color: #fff; margin-bottom: 1rem; }
.site-footer__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.site-footer a { color: #d9d2f2; }
.site-footer a:hover { color: #fff; }
.site-footer__contact address { font-style: normal; }
.site-footer__contact strong { color: #fff; font-size: 1.05rem; }
.footer-contact-block p { margin: 0; line-height: 1.85; } /* nom, tél, courriel collés en bloc */
.footer-contact-cta { margin-top: 0.9rem; margin-bottom: 0; }
.site-footer__bottom { border-top: 1px solid rgba(255,255,255,0.12); }
.site-footer__bottom-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; padding-block: 1.2rem; font-size: 0.88rem; color: #b3a9d9; }
.site-footer__bottom-inner p { margin: 0; }

/* 10. UTILITAIRES, A11Y & RESPONSIVE ================================== */
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.stack > * + * { margin-top: var(--stack-gap, 1.1rem); }

@media (max-width: 980px) {
    .grid--3 { grid-template-columns: repeat(2, 1fr); }
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
    .media-text, .media-text--reverse .media-text__img { grid-template-columns: 1fr; }
    .media-text__img { order: -1; }
    .service-feature, .service-feature:nth-child(even) { grid-template-columns: 1fr; }
    .service-feature:nth-child(even) .service-feature__media { order: -1; }
    .service-feature__media { order: -1; }
    .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    /* Navigation mobile */
    .nav-toggle { display: flex; }
    .has-submenu::after { display: none; } /* pont desktop inutile en mobile */
    .primary-nav {
        position: fixed; inset: 84px 0 auto 0; background: #fff;
        border-bottom: 1px solid var(--c-line); box-shadow: var(--shadow-md);
        max-height: calc(100vh - 84px); overflow-y: auto;
        transform: translateY(-12px); opacity: 0; visibility: hidden; transition: var(--transition);
    }
    .primary-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
    .primary-nav__list { flex-direction: column; align-items: stretch; gap: 0; padding: 0.5rem 1rem 1.5rem; }
    .primary-nav__item { border-bottom: 1px solid var(--c-line); }
    .primary-nav__link { display: block; padding: 0.9em 0.4em; font-size: 1.05rem; }
    .primary-nav__item--cta { border: 0; margin: 1rem 0.4em 0; }
    .primary-nav__item--cta .btn { width: 100%; }

    .has-submenu { display: flex; flex-wrap: wrap; align-items: center; }
    .has-submenu > .primary-nav__link { flex: 1; }
    .submenu-toggle {
        display: flex; align-items: center; justify-content: center;
        min-width: 48px; min-height: 48px; font-size: 1.3rem; color: var(--c-primary);
    }
    .submenu {
        position: static; opacity: 1; visibility: visible; transform: none;
        box-shadow: none; border: 0; padding: 0 0 0.5rem 0.8rem; min-width: 0;
        flex-basis: 100%; max-height: 0; overflow: hidden; transition: max-height var(--transition);
    }
    .has-submenu.is-open .submenu { max-height: 520px; }
    .submenu-toggle[aria-expanded="true"] { transform: rotate(180deg); }
}

@media (max-width: 620px) {
    .grid--2, .grid--3 { grid-template-columns: 1fr; }
    .site-footer__grid { grid-template-columns: 1fr; }
    .hero__actions { flex-direction: column; align-items: stretch; }
    .hero__actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}