/**
 * Site vitrine izibrick — styles mobile-first
 *
 * Base = mobile (< 640px). Breakpoints exclusivement en min-width :
 *   640px (sm) · 768px (md) · 1024px (lg) · 1280px (xl)
 * Dépend de tokens.css (chargé avant).
 */

/* ============================================================
   1. RESET MINIMAL
   ============================================================ */

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

* { margin: 0; }

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background: var(--color-background);
    -webkit-font-smoothing: antialiased;
}

img, picture, video, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select { font: inherit; }

a { color: var(--color-primary); }

ul[class], ol[class] {
    list-style: none;
    padding: 0;
}

/* ============================================================
   2. TYPOGRAPHIE
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    font-weight: var(--font-weight-extrabold);
    overflow-wrap: break-word;
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-xl); }

.lead {
    font-size: var(--text-lead);
    color: var(--color-text-light);
    line-height: var(--leading-relaxed);
}

.text-gradient {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* Texte long (CGU, mentions, documentation) */
.prose {
    max-width: 72ch;
    margin-inline: auto;
}
.prose h2 { margin: var(--spacing-lg) 0 var(--spacing-sm); font-size: var(--text-2xl); }
.prose h3 { margin: var(--spacing-md) 0 var(--spacing-xs); font-size: var(--text-xl); }
.prose p, .prose ul, .prose ol { margin-bottom: var(--spacing-sm); color: var(--color-text); }
.prose ul, .prose ol { padding-left: var(--primitive-space-6); }
.prose li { margin-bottom: var(--primitive-space-2); }
.prose a { color: var(--color-primary); }
.prose table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
}
.prose th, .prose td {
    border: 1px solid var(--color-border);
    padding: var(--primitive-space-2) var(--primitive-space-3);
    text-align: left;
}
.prose th { background: var(--color-surface); }
.prose code {
    background: var(--color-surface-alt);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}
.prose img { border-radius: var(--radius-md); }

/* ============================================================
   3. LAYOUT
   ============================================================ */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

@media (min-width: 640px) {
    .container { padding-inline: var(--primitive-space-6); }
}

.section {
    padding-block: var(--section-pad);
}

.section--surface { background: var(--color-surface); }
.section--gradient {
    background: var(--gradient-brand);
    color: #fff;
}
.section--tight { padding-block: var(--spacing-lg); }

/* En-tête de section */
.section-header {
    text-align: center;
    max-width: 44rem;
    margin: 0 auto var(--spacing-lg);
}
.section-header .kicker {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--primitive-space-3);
}
.section-header h2 { margin-bottom: var(--primitive-space-4); }

/* Grilles */
.grid {
    display: grid;
    gap: var(--primitive-space-6);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.grid--2 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }

@media (min-width: 768px) {
    .grid--2 { grid-template-columns: repeat(2, 1fr); align-items: center; }
}

/* ============================================================
   4. BOUTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--primitive-space-2);
    padding: 0.875rem 1.75rem;
    border: 2px solid transparent;
    border-radius: var(--btn-radius);
    font-weight: var(--btn-font-weight);
    font-size: var(--text-base);
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--btn-focus-ring);
}

.btn--primary {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: var(--shadow-primary-sm);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary-md);
}

.btn--ghost {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn--ghost:hover {
    background: var(--gradient-brand-soft);
    transform: translateY(-2px);
}

/* Variante pour fonds sombres / gradient */
.btn--light {
    background: #fff;
    color: var(--color-text);
    box-shadow: var(--shadow-lg);
}
.btn--light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}
.btn--ghost-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.7);
}
.btn--ghost-light:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
}

.btn--lg { padding: 1.125rem 2.25rem; font-size: var(--text-lg); }
.btn--sm { padding: 0.5rem 1.125rem; font-size: var(--text-sm); }
.btn--block { width: 100%; }

@media (min-width: 640px) {
    .btn--block { width: auto; }
}

/* ============================================================
   5. HEADER / NAVIGATION
   ============================================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.is-scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--primitive-space-4);
    min-height: var(--header-height);
}

.site-header__brand {
    display: flex;
    align-items: center;
    gap: var(--primitive-space-2);
    text-decoration: none;
    font-weight: var(--font-weight-extrabold);
    font-size: var(--text-xl);
}
.site-header__brand img { width: 40px; height: 40px; }

.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    color: var(--color-text);
    cursor: pointer;
}
.nav-toggle:hover { background: var(--color-surface-alt); }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* Panneau nav : replié en mobile, inline en ≥768px */
.site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: var(--primitive-space-4);
}
.site-nav.is-open { display: block; }

.site-nav__links {
    display: flex;
    flex-direction: column;
    gap: var(--primitive-space-1);
    margin-bottom: var(--primitive-space-4);
}

.site-nav__links a {
    display: block;
    padding: var(--primitive-space-3) var(--primitive-space-4);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    transition: background var(--transition-fast), color var(--transition-fast);
}
.site-nav__links a:hover {
    color: var(--color-primary);
    background: var(--gradient-brand-soft);
}
.site-nav__links a.is-active {
    color: #fff;
    background: var(--gradient-brand);
}

.site-nav__actions {
    display: flex;
    flex-direction: column;
    gap: var(--primitive-space-2);
}

@media (min-width: 768px) {
    .nav-toggle { display: none; }

    .site-nav {
        display: flex;
        align-items: center;
        gap: var(--primitive-space-6);
        position: static;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
        flex: 1;
        justify-content: flex-end;
    }

    .site-nav__links {
        flex-direction: row;
        margin-bottom: 0;
        gap: var(--primitive-space-1);
    }
    .site-nav__links a {
        padding: var(--primitive-space-2) var(--primitive-space-4);
        font-size: var(--text-sm);
    }

    .site-nav__actions {
        flex-direction: row;
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .site-nav__links a { font-size: var(--text-base); }
}

/* Menu utilisateur connecté */
.user-menu { position: relative; }
.user-menu__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--primitive-space-2);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--btn-radius);
    background: var(--gradient-brand);
    color: #fff;
    font-weight: var(--font-weight-semibold);
    font-size: var(--text-sm);
    cursor: pointer;
}
.user-menu__avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.25);
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
}
.user-menu__panel {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 0.5rem);
    min-width: 230px;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--primitive-space-2);
    z-index: var(--z-dropdown);
}
.user-menu.is-open .user-menu__panel { display: block; }
.user-menu__panel a {
    display: flex;
    align-items: center;
    gap: var(--primitive-space-2);
    padding: var(--primitive-space-2) var(--primitive-space-3);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
}
.user-menu__panel a:hover { background: var(--color-surface-alt); color: var(--color-primary); }
.user-menu__panel .is-danger { color: var(--color-error); }
.user-menu__panel .is-danger:hover { background: var(--color-error-light); color: var(--color-error); }
.user-menu__email {
    padding: var(--primitive-space-2) var(--primitive-space-3);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--primitive-space-2);
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 767px) {
    .user-menu__panel {
        position: static;
        box-shadow: none;
        border: 1px solid var(--color-border);
        margin-top: var(--primitive-space-2);
        min-width: 0;
    }
}

/* ============================================================
   6. HERO
   ============================================================ */

.hero {
    padding-block: var(--spacing-lg) var(--spacing-xl);
    background:
        radial-gradient(60% 50% at 80% 0%, rgba(118, 75, 162, 0.10) 0%, transparent 70%),
        radial-gradient(50% 45% at 10% 10%, rgba(102, 126, 234, 0.12) 0%, transparent 70%),
        var(--color-background);
    overflow: hidden;
}

.hero__content { text-align: center; }
.hero__content h1 { margin-bottom: var(--primitive-space-5); }
.hero__content .lead { margin-bottom: var(--primitive-space-8); }

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: var(--primitive-space-3);
    align-items: stretch;
    margin-bottom: var(--primitive-space-8);
}

.hero__visual { margin-top: var(--spacing-md); }

@media (min-width: 640px) {
    .hero__actions {
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }
}

@media (min-width: 768px) {
    .hero--split .hero__inner {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
        align-items: center;
    }
    .hero--split .hero__content { text-align: left; }
    .hero--split .hero__actions { justify-content: flex-start; }
    .hero--split .hero__visual { margin-top: 0; }
}

/* Hero compact (pages internes) */
.page-hero {
    background: var(--gradient-brand);
    color: #fff;
    text-align: center;
    padding-block: var(--spacing-lg);
}
.page-hero h1 { margin-bottom: var(--primitive-space-4); }
.page-hero .lead { color: rgba(255, 255, 255, 0.9); max-width: 40rem; margin-inline: auto; }

/* ============================================================
   7. RÉASSURANCE / BADGES
   ============================================================ */

.trust-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--primitive-space-3) var(--primitive-space-6);
}

.trust-bar__item {
    display: inline-flex;
    align-items: center;
    gap: var(--primitive-space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
}
.trust-bar__item svg { color: var(--color-success); flex-shrink: 0; }

.page-hero .trust-bar__item { color: rgba(255, 255, 255, 0.9); }
.page-hero .trust-bar__item svg { color: #fff; }

/* ============================================================
   8. CARTES
   ============================================================ */

.card {
    background: var(--card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    padding: var(--card-padding);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card--hover:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-shadow-hover);
}

.card--feature { text-align: center; }

.card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--gradient-brand-soft);
    color: var(--color-primary);
    margin-bottom: var(--primitive-space-4);
}

.card__icon--gradient {
    background: var(--gradient-brand);
    color: #fff;
}

.card h3, .card h4 { margin-bottom: var(--primitive-space-3); }
.card p { color: var(--color-text-light); }

/* Mini-feature compacte */
.card--mini { padding: var(--primitive-space-5); }
.card--mini .card__icon { width: 48px; height: 48px; margin-bottom: var(--primitive-space-3); }
.card--mini h4 { font-size: var(--text-base); }
.card--mini p { font-size: var(--text-sm); }

/* Liste à coches */
.check-list { display: grid; gap: var(--primitive-space-2); }
.check-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--primitive-space-2);
}
.check-list svg {
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 0.2em;
}

/* ============================================================
   9. CAPTURES PRODUIT
   ============================================================ */

.screenshot-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--color-border);
    background: var(--color-surface-alt);
}

.screenshot-frame__bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
}
.screenshot-frame__bar span {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--color-border-strong);
}
.screenshot-frame__bar span:nth-child(1) { background: #fc605c; }
.screenshot-frame__bar span:nth-child(2) { background: #fdbc40; }
.screenshot-frame__bar span:nth-child(3) { background: #34c749; }

.screenshot-frame img { width: 100%; }

/* Cadre téléphone */
.phone-frame {
    border-radius: 1.75rem;
    border: 8px solid var(--primitive-gray-900);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    background: var(--primitive-gray-900);
    max-width: 280px;
    margin-inline: auto;
}
.phone-frame img { width: 100%; border-radius: 1.25rem; }

/* Duo desktop + mobile */
.device-duo {
    position: relative;
    padding-bottom: var(--spacing-lg);
}
.device-duo .phone-frame {
    max-width: 180px;
    margin: calc(-1 * var(--spacing-lg)) var(--primitive-space-4) 0 auto;
    position: relative;
    z-index: var(--z-raised);
}

@media (min-width: 768px) {
    .device-duo { padding-bottom: 0; padding-right: var(--spacing-md); }
    .device-duo .phone-frame {
        position: absolute;
        right: 0;
        bottom: calc(-1 * var(--primitive-space-6));
        margin: 0;
        max-width: 200px;
    }
}

/* Zigzag features (texte / capture) */
.feature-row {
    display: grid;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}
.feature-row:last-child { margin-bottom: 0; }
.feature-row h3 { font-size: var(--text-2xl); margin-bottom: var(--primitive-space-4); }
.feature-row p { color: var(--color-text-light); margin-bottom: var(--primitive-space-5); }

@media (min-width: 768px) {
    .feature-row { grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
    .feature-row--reverse .feature-row__text { order: 2; }
    .feature-row--reverse .feature-row__visual { order: 1; }
}

/* ============================================================
   10. ÉTAPES (Comment ça marche)
   ============================================================ */

.steps {
    display: grid;
    gap: var(--spacing-md);
    counter-reset: step;
}

.step {
    display: flex;
    gap: var(--primitive-space-4);
    align-items: flex-start;
}

.step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--gradient-brand);
    color: #fff;
    font-weight: var(--font-weight-bold);
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.step__num--done { background: var(--color-success); }

.step h3 { font-size: var(--text-lg); margin-bottom: var(--primitive-space-2); }
.step p { color: var(--color-text-light); font-size: var(--text-sm); }

@media (min-width: 1024px) {
    .steps { grid-template-columns: repeat(4, 1fr); }
    .step { flex-direction: column; align-items: center; text-align: center; }
}

/* ============================================================
   11. PRICING
   ============================================================ */

.pricing-grid {
    display: grid;
    gap: var(--primitive-space-6);
    grid-template-columns: 1fr;
    align-items: stretch;
}

@media (min-width: 640px) {
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .pricing-grid { grid-template-columns: repeat(var(--pricing-cols, 4), 1fr); }
}

.pricing-card {
    display: flex;
    flex-direction: column;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.pricing-card--popular {
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-primary-sm);
}

.pricing-card__badge {
    position: absolute;
    top: var(--primitive-space-3);
    right: var(--primitive-space-3);
    z-index: var(--z-raised);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-bold);
}
.pricing-card__badge--popular { background: var(--primitive-amber-500); color: var(--primitive-gray-900); }
.pricing-card__badge--free { background: var(--color-success); color: #fff; }

.pricing-card__head {
    background: var(--gradient-brand);
    color: #fff;
    text-align: center;
    padding: var(--spacing-md) var(--primitive-space-4);
}
.pricing-card__head h3 {
    font-size: var(--text-lg);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    margin-bottom: var(--primitive-space-3);
}
.pricing-card__price {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--leading-none);
}
.pricing-card__price small {
    font-size: var(--text-base);
    font-weight: var(--font-weight-normal);
}
.pricing-card__note {
    margin-top: var(--primitive-space-2);
    font-size: var(--text-sm);
    opacity: 0.9;
}

.pricing-card__body {
    padding: var(--primitive-space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}
.pricing-card__body .check-list { flex: 1; margin-bottom: var(--primitive-space-5); }
.pricing-card__body .check-list li { font-size: var(--text-sm); }

/* Comparaison : cards par défaut (mobile), table ≥1024px */
.compare-cards { display: grid; gap: var(--primitive-space-6); }
.compare-table-wrap { display: none; }

@media (min-width: 1024px) {
    .compare-cards { display: none; }
    .compare-table-wrap { display: block; overflow-x: auto; }
}

.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    font-size: var(--text-sm);
}
.compare-table thead th {
    background: var(--gradient-brand);
    color: #fff;
    padding: var(--primitive-space-4);
    text-align: center;
    vertical-align: top;
}
.compare-table thead th:first-child { text-align: left; }
.compare-table thead .plan-name {
    display: block;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-size: var(--text-base);
    margin-bottom: var(--primitive-space-2);
}
.compare-table thead .plan-price {
    display: block;
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-extrabold);
}
.compare-table tbody td, .compare-table tbody th {
    padding: var(--primitive-space-3) var(--primitive-space-4);
    border-top: 1px solid var(--color-border);
    text-align: center;
}
.compare-table tbody th { text-align: left; font-weight: var(--font-weight-normal); }
.compare-table .group-row td {
    background: var(--color-surface);
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    text-align: left;
}
.compare-table svg { display: inline-block; vertical-align: middle; }

.icon-yes { color: var(--color-success); }
.icon-no  { color: var(--color-text-muted); }

/* Card comparaison mobile (un plan = une card) */
.compare-card .pricing-card__head { padding: var(--primitive-space-5) var(--primitive-space-4); }
.compare-card__rows { padding: var(--primitive-space-4); }
.compare-card__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--primitive-space-3);
    padding-block: var(--primitive-space-2);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-sm);
}
.compare-card__row:last-child { border-bottom: none; }
.compare-card__row .label { color: var(--color-text-light); }
.compare-card__row .value { font-weight: var(--font-weight-semibold); text-align: right; }

/* ============================================================
   12. FAQ
   ============================================================ */

.faq { max-width: 48rem; margin-inline: auto; display: grid; gap: var(--primitive-space-3); }

.faq details {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.faq details[open] { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }

.faq summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--primitive-space-3);
    padding: var(--primitive-space-4) var(--primitive-space-5);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: '+';
    font-size: var(--text-xl);
    color: var(--color-primary);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}
.faq details[open] summary::after { transform: rotate(45deg); }

.faq .faq__answer {
    padding: 0 var(--primitive-space-5) var(--primitive-space-4);
    color: var(--color-text-light);
}

/* ============================================================
   13. CTA BANNER
   ============================================================ */

.cta-banner {
    background: var(--gradient-brand);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-banner::before,
.cta-banner::after {
    content: '';
    position: absolute;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.08);
}
.cta-banner::before { width: 200px; height: 200px; top: -60px; right: -60px; }
.cta-banner::after { width: 140px; height: 140px; bottom: -40px; left: -40px; }

.cta-banner__inner {
    position: relative;
    z-index: var(--z-raised);
    display: flex;
    flex-direction: column;
    gap: var(--primitive-space-6);
    align-items: center;
    text-align: center;
    padding-block: var(--spacing-lg);
}
.cta-banner h2 { margin-bottom: var(--primitive-space-2); }
.cta-banner p { opacity: 0.9; }

@media (min-width: 768px) {
    .cta-banner__inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ============================================================
   14. FORMULAIRES
   ============================================================ */

.form-field { margin-bottom: var(--primitive-space-5); }

.form-label {
    display: block;
    font-weight: var(--font-weight-semibold);
    font-size: var(--text-sm);
    margin-bottom: var(--primitive-space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: var(--input-border);
    border-radius: var(--input-radius);
    background: var(--color-background);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-muted); }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--input-shadow-focus);
}

.form-input.is-invalid, .form-textarea.is-invalid { border-color: var(--color-error); }

.form-error {
    color: var(--color-error);
    font-size: var(--text-sm);
    margin-top: var(--primitive-space-1);
}

.form-hint {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    margin-top: var(--primitive-space-1);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--primitive-space-2);
}
.form-check input { width: 1.125rem; height: 1.125rem; margin-top: 0.2em; accent-color: var(--color-primary); }

/* Grille page contact : formulaire + sidebar */
.contact-grid {
    display: grid;
    gap: var(--primitive-space-6);
    grid-template-columns: 1fr;
    align-items: start;
}

@media (min-width: 1024px) {
    .contact-grid { grid-template-columns: 3fr 2fr; gap: var(--spacing-lg); }
}

/* Alertes */
.alert {
    padding: var(--primitive-space-4) var(--primitive-space-5);
    border-radius: var(--radius-lg);
    margin-bottom: var(--primitive-space-5);
    font-size: var(--text-sm);
}
.alert--success { background: var(--color-success-light); color: var(--primitive-green-700); }
.alert--error   { background: var(--color-error-light); color: var(--primitive-red-700); }

/* ============================================================
   15. FOOTER
   ============================================================ */

.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding-block: var(--spacing-xl) var(--spacing-md);
}

.site-footer__grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 640px) {
    .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .site-footer__grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
}

.site-footer h2, .site-footer h3 {
    color: #fff;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--primitive-space-4);
}

.site-footer__brand {
    display: flex;
    align-items: center;
    gap: var(--primitive-space-2);
    margin-bottom: var(--primitive-space-4);
    color: #fff;
    font-weight: var(--font-weight-extrabold);
    font-size: var(--text-xl);
    text-decoration: none;
}
.site-footer__brand img { width: 40px; height: 40px; }

.site-footer ul { display: grid; gap: var(--primitive-space-2); }
.site-footer a {
    color: var(--footer-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.site-footer a:hover { color: var(--footer-link-hover); }

.site-footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--primitive-space-2);
}
.site-footer__contact svg { flex-shrink: 0; margin-top: 0.2em; opacity: 0.7; }

.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--primitive-space-2);
    align-items: center;
    text-align: center;
    font-size: var(--text-sm);
}

@media (min-width: 768px) {
    .site-footer__bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ============================================================
   16. BACK TO TOP
   ============================================================ */

.back-to-top {
    position: fixed;
    bottom: var(--primitive-space-5);
    right: var(--primitive-space-5);
    width: 48px;
    height: 48px;
    border: none;
    border-radius: var(--radius-full);
    background: var(--gradient-brand);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-toast);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}
.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-3px); }

/* ============================================================
   17. ANIMATIONS AU SCROLL (remplace AOS)
   ============================================================ */

[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .btn, .card, .pricing-card { transition: none; }
}

/* ============================================================
   18. UTILITAIRES
   ============================================================ */

.text-center { text-align: center; }
.text-muted { color: var(--color-text-light); }
.mt-0 { margin-top: 0; }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.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;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}