/* === css/main.css === */
/* ============================================================================
 * Affilinks — main.css
 *
 * Source de vérité : Affilinks_brand_guideline.pdf (version 1.0, novembre 2023).
 * Palette officielle page 9, typographie Manrope page 11.
 *
 * Ce fichier est toujours chargé. Les composants spécifiques aux blocs
 * sont dans /assets/css/blocks/*.css et sont chargés conditionnellement
 * via AssetManager selon les blocs présents sur la page.
 * ============================================================================ */

/* ----------------------------------------------------------------------------
 *  1. Custom font (Manrope variable)
 * ---------------------------------------------------------------------------- */

@font-face {
    font-family: 'Manrope';
    src: url('/assets/fonts/manrope-var.woff2') format('woff2-variations'),
         url('/assets/fonts/manrope-var.woff2') format('woff2');
    font-weight: 200 800;
    font-style: normal;
    font-display: swap;
}

/* ----------------------------------------------------------------------------
 *  2. Design tokens (palette + typo + espacement)
 *
 *  Palette officielle (brandbook page 9). Deux échelles de 8 nuances chacune :
 *   - Cyan       (60% — couleur primaire de marque, CTA, highlights)
 *   - Dark/Slate (40% — texte, fonds sombres)
 * ---------------------------------------------------------------------------- */

:root {
    /* Cyan scale */
    --color-cyan-100: #E6FAFE;
    --color-cyan-200: #BFF1FC;
    --color-cyan-300: #80E4FA;
    --color-cyan-400: #40D6F7;
    --color-cyan-500: #00C8F4;
    --color-cyan-600: #0096B7;
    --color-cyan-700: #00647A;
    --color-cyan-800: #00323D;

    /* Dark/Slate scale */
    --color-dark-100: #E6EBED;
    --color-dark-200: #BFCED1;
    --color-dark-300: #809DA3;
    --color-dark-400: #406B74;
    --color-dark-500: #003A46;
    --color-dark-600: #002C35;
    --color-dark-700: #001D23;
    --color-dark-800: #000F12;

    /* Brand alias (utilisés par les composants — change l'alias, pas la valeur) */
    --color-primary:    var(--color-dark-600);   /* Texte principal, fonds sombres légers */
    --color-dark:       var(--color-dark-800);   /* Quasi-noir pour contraste maximal */
    --color-cyan:       var(--color-cyan-500);   /* Cyan signature, CTA principal */
    --color-cyan-light: var(--color-cyan-300);
    --color-cyan-pale:  var(--color-cyan-100);
    --color-bg-dark:    var(--color-cyan-800);   /* Fond sombre principal (sections hero) */
    --color-bg-pale:    var(--color-cyan-100);   /* Fond clair section (très légère teinte) */

    /* Neutres */
    --color-white:    #FFFFFF;
    --color-gray-50:  #F7F9FA;
    --color-gray-100: var(--color-dark-100);
    --color-gray-200: var(--color-dark-200);
    --color-gray-400: var(--color-dark-300);
    --color-gray-500: var(--color-dark-400);

    /* Sémantiques */
    --color-text:        var(--color-dark-600);
    --color-text-muted:  var(--color-dark-400);
    --color-text-on-dark: #FFFFFF;
    --color-link:        var(--color-cyan-600);
    --color-link-hover:  var(--color-cyan-700);
    --color-border:      var(--color-dark-100);
    --color-border-strong: var(--color-dark-200);
    --color-success:     var(--color-cyan-500);
    --color-error:       #D63637;

    /* Typographie */
    --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

    /* Échelle fluide (clamp = min, preferred, max) */
    --fs-display: clamp(2.5rem, 1.6rem + 4vw, 4.5rem);   /* 40 → 72 px */
    --fs-h1:      clamp(2rem, 1.5rem + 2.25vw, 3.25rem); /* 32 → 52 px */
    --fs-h2:      clamp(1.75rem, 1.35rem + 1.75vw, 2.5rem); /* 28 → 40 px */
    --fs-h3:      clamp(1.375rem, 1.2rem + .75vw, 1.75rem); /* 22 → 28 px */
    --fs-h4:      clamp(1.125rem, 1.05rem + .35vw, 1.25rem); /* 18 → 20 px */
    --fs-lead:    clamp(1.0625rem, 1rem + .25vw, 1.1875rem); /* 17 → 19 px */
    --fs-body:    1rem;     /* 16 px */
    --fs-small:   .875rem;  /* 14 px */
    --fs-xs:      .75rem;   /* 12 px */

    --lh-tight:  1.15;
    --lh-snug:   1.3;
    --lh-normal: 1.5;
    --lh-loose:  1.7;

    --fw-regular: 400;
    --fw-medium:  500;
    --fw-semibold: 600;
    --fw-bold:    700;
    --fw-extrabold: 800;

    /* Espacement (échelle Tailwind-like, en rem) */
    --space-1:  .25rem;
    --space-2:  .5rem;
    --space-3:  .75rem;
    --space-4:  1rem;
    --space-5:  1.25rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Largeurs et rayons */
    --container-max: 1280px;
    --container-narrow: 800px;
    --container-padding-x: clamp(1rem, 4vw, 2rem);

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-pill: 999px;

    /* Ombres (subtiles, brand est plutôt flat/illustratif) */
    --shadow-sm: 0 1px 2px rgba(0, 15, 18, .06);
    --shadow:    0 4px 12px rgba(0, 15, 18, .08);
    --shadow-lg: 0 12px 32px rgba(0, 15, 18, .12);

    /* Transitions */
    --ease-out: cubic-bezier(.16, 1, .3, 1);
    --duration: 220ms;

    /* Layout */
    --header-height: 80px;
    --z-header: 100;
    --z-toast: 200;
    --z-modal: 300;
}

/* ----------------------------------------------------------------------------
 *  3. Reset moderne
 * ---------------------------------------------------------------------------- */

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

html {
    -webkit-text-size-adjust: 100%;
    -moz-tab-size: 4;
    tab-size: 4;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    font-size: var(--fs-body);
    font-weight: var(--fw-regular);
    line-height: var(--lh-normal);
    color: var(--color-text);
    background: var(--color-white);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

svg { fill: currentColor; }

a {
    color: var(--color-link);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    transition: color var(--duration) var(--ease-out);
}
a:hover { color: var(--color-link-hover); }
a:focus-visible { outline: 2px solid var(--color-cyan); outline-offset: 2px; border-radius: 2px; }

button {
    font: inherit;
    color: inherit;
    cursor: pointer;
}

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

ul, ol { padding-left: 1.25rem; }

hr {
    border: 0;
    border-top: 1px solid var(--color-border);
    margin: var(--space-8) 0;
}

/* ----------------------------------------------------------------------------
 *  4. Typographie
 * ---------------------------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--space-4);
    color: var(--color-primary);
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    letter-spacing: -0.01em;
}

h1, .h1 { font-size: var(--fs-h1); }
h2, .h2 { font-size: var(--fs-h2); }
h3, .h3 { font-size: var(--fs-h3); }
h4, .h4 { font-size: var(--fs-h4); font-weight: var(--fw-semibold); }
h5, .h5 { font-size: 1.0625rem; font-weight: var(--fw-semibold); }
h6, .h6 { font-size: 1rem; font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: .04em; }

.display { font-size: var(--fs-display); line-height: var(--lh-tight); font-weight: var(--fw-bold); letter-spacing: -0.02em; }

.lead {
    font-size: var(--fs-lead);
    line-height: var(--lh-snug);
    color: var(--color-text);
}

.eyebrow {
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--color-cyan-600);
    margin: 0 0 var(--space-3);
}

.text-cyan      { color: var(--color-cyan); }
.text-dark      { color: var(--color-dark); }
.text-muted     { color: var(--color-text-muted); }
.text-on-dark   { color: var(--color-text-on-dark); }

p { margin: 0 0 var(--space-4); }

strong, b { font-weight: var(--fw-bold); }

/* ----------------------------------------------------------------------------
 *  5. Layout primitives
 * ---------------------------------------------------------------------------- */

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

.section {
    padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}
.section--tight { padding-block: clamp(var(--space-8), 4vw, var(--space-16)); }
.section--loose { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }

/* Backgrounds */
.bg-white      { background: var(--color-white); }
.bg-pale       { background: var(--color-cyan-100); }
.bg-cyan       { background: var(--color-cyan); }
.bg-cyan-light { background: var(--color-cyan-300); }
.bg-primary    { background: var(--color-primary); color: var(--color-text-on-dark); }
.bg-dark       { background: var(--color-bg-dark); color: var(--color-text-on-dark); }
.bg-darker     { background: var(--color-dark); color: var(--color-text-on-dark); }
.bg-gray-50    { background: var(--color-gray-50); }

[class*="bg-"]:where(.bg-primary, .bg-dark, .bg-darker) :is(h1, h2, h3, h4, h5, h6) {
    color: var(--color-text-on-dark);
}

/* ----------------------------------------------------------------------------
 *  6. Boutons
 *
 *  Le brandbook (page 11) montre 2 boutons côte à côte :
 *   - "Try for free"  : fond cyan, texte dark
 *   - "Book a demo"   : outline dark
 * ---------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: .75rem 1.5rem;
    min-height: 48px;
    border: 2px solid transparent;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: var(--fw-semibold);
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--duration) var(--ease-out),
                color var(--duration) var(--ease-out),
                border-color var(--duration) var(--ease-out),
                transform var(--duration) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}

.btn:focus-visible { outline: 2px solid var(--color-cyan); outline-offset: 3px; }

.btn--primary {
    background: var(--color-cyan);
    color: var(--color-primary);
    border-color: var(--color-cyan);
}
.btn--primary:hover {
    background: var(--color-cyan-400);
    border-color: var(--color-cyan-400);
    color: var(--color-primary);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-text-on-dark);
}

.btn--outline-light {
    background: transparent;
    color: var(--color-text-on-dark);
    border-color: var(--color-text-on-dark);
}
.btn--outline-light:hover {
    background: var(--color-text-on-dark);
    color: var(--color-primary);
}

.btn--ghost {
    background: transparent;
    color: var(--color-primary);
    border-color: transparent;
    padding-inline: var(--space-3);
}
.btn--ghost:hover { background: var(--color-cyan-100); }

.btn--sm { padding: .5rem 1rem; min-height: 40px; font-size: var(--fs-small); }
.btn--lg { padding: 1rem 2rem; min-height: 56px; font-size: 1.0625rem; }

.btn[disabled],
.btn[aria-disabled="true"] {
    opacity: .5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ----------------------------------------------------------------------------
 *  7. Forms (base — détails dans blocks/contact-form.css)
 * ---------------------------------------------------------------------------- */

.field { margin-block: var(--space-4); }
.field__label {
    display: block;
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}
.field__input,
.field__textarea,
.field__select {
    width: 100%;
    padding: .75rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    font: inherit;
    color: var(--color-text);
    transition: border-color var(--duration) var(--ease-out),
                box-shadow var(--duration) var(--ease-out);
}
.field__input:focus,
.field__textarea:focus,
.field__select:focus {
    outline: none;
    border-color: var(--color-cyan-500);
    box-shadow: 0 0 0 3px rgba(0, 200, 244, .15);
}
.field__textarea { min-height: 140px; resize: vertical; }
.field--error .field__input,
.field--error .field__textarea { border-color: var(--color-error); }
.field__error {
    margin-top: var(--space-1);
    font-size: var(--fs-small);
    color: var(--color-error);
}

/* ----------------------------------------------------------------------------
 *  8. Toast (rendu par templates/base.php)
 * ---------------------------------------------------------------------------- */

.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: var(--z-toast);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--color-primary);
    color: var(--color-text-on-dark);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-width: 90vw;
    animation: toast-in 320ms var(--ease-out);
}
.toast--success { background: var(--color-cyan); color: var(--color-primary); }
.toast--error   { background: var(--color-error); color: var(--color-white); }
.toast--fade    { opacity: 0; transition: opacity .3s var(--ease-out); }
.toast__message { font-size: var(--fs-small); }
.toast__close {
    background: transparent;
    border: 0;
    color: inherit;
    font-size: 1.25rem;
    line-height: 1;
    padding: 0;
}
@keyframes toast-in {
    from { transform: translateY(20px); opacity: 0; }
    to   { transform: none; opacity: 1; }
}

/* ----------------------------------------------------------------------------
 *  9. Accessibilité (skip link, sr-only)
 * ---------------------------------------------------------------------------- */

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0);
    white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    z-index: 1000;
    padding: .5rem 1rem;
    background: var(--color-primary);
    color: var(--color-text-on-dark);
    text-decoration: none;
    transition: top var(--duration) var(--ease-out);
}
.skip-link:focus { top: 0; }

/* ----------------------------------------------------------------------------
 *  10. Header
 *
 *  Sticky en haut, fond blanc par défaut. Au-dessus d'un hero full-bleed,
 *  on peut ajouter `.has-transparent-header` sur <body> pour rendre le
 *  header transparent jusqu'au premier scroll.
 * ---------------------------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: var(--color-white);
    border-bottom: 1px solid transparent;
    transition: background-color var(--duration) var(--ease-out),
                border-color var(--duration) var(--ease-out),
                box-shadow var(--duration) var(--ease-out);
}
.site-header.is-scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

body.has-transparent-header .site-header:not(.is-scrolled):not(.is-open) {
    background: transparent;
    border-bottom-color: transparent;
}

.site-header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    min-height: var(--header-height);
}

.site-header__brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}
.site-header__logo { display: block; width: auto; height: clamp(28px, 2.5vw, 36px); }
.site-header__logo--light { display: none; }
body.has-transparent-header .site-header:not(.is-scrolled):not(.is-open) .site-header__logo--dark { display: none; }
body.has-transparent-header .site-header:not(.is-scrolled):not(.is-open) .site-header__logo--light { display: block; }

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex: 1;
    justify-content: flex-end;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__item { position: relative; }

.site-nav__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-3) var(--space-3);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    text-decoration: none;
    background: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: color var(--duration) var(--ease-out),
                background-color var(--duration) var(--ease-out);
}
.site-nav__link:hover,
.site-nav__link[aria-expanded="true"] {
    color: var(--color-cyan-600);
    background: var(--color-cyan-100);
}

body.has-transparent-header .site-header:not(.is-scrolled):not(.is-open) .site-nav__link,
body.has-transparent-header .site-header:not(.is-scrolled):not(.is-open) .site-nav__lang,
body.has-transparent-header .site-header:not(.is-scrolled):not(.is-open) .site-nav__login {
    color: var(--color-text-on-dark);
}

.site-nav__chevron { transition: transform var(--duration) var(--ease-out); }
.site-nav__link[aria-expanded="true"] .site-nav__chevron { transform: rotate(180deg); }

.site-nav__submenu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 280px;
    margin: 0;
    padding: var(--space-2);
    list-style: none;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity var(--duration) var(--ease-out),
                visibility var(--duration),
                transform var(--duration) var(--ease-out);
}
.site-nav__item--has-children:hover > .site-nav__submenu,
.site-nav__item--has-children:focus-within > .site-nav__submenu,
.site-nav__link[aria-expanded="true"] + .site-nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: none;
}

.site-nav__sublink {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--fs-small);
    color: var(--color-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background-color var(--duration) var(--ease-out);
}
.site-nav__sublink:hover { background: var(--color-cyan-100); color: var(--color-cyan-700); }

/* ── Megamenu ─────────────────────────────────────────────────────────────
   Variant of submenu : wider panel with icon + title + description cards
   in a 2-column grid. Used for "Use cases".
   Trigger: site-nav__item--mega (+ has-children for the trigger button styles).
   The panel anchors to the nav center, not the trigger button. */
.site-nav__megamenu {
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    width: min(960px, calc(100vw - 32px));
    padding: var(--space-5);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration) var(--ease-out),
                visibility var(--duration),
                transform var(--duration) var(--ease-out);
}

.site-nav__item--mega:hover > .site-nav__megamenu,
.site-nav__item--mega:focus-within > .site-nav__megamenu,
.site-nav__link[aria-expanded="true"] + .site-nav__megamenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.site-nav__mega-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav__mega-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    text-decoration: none;
    transition: background-color var(--duration) var(--ease-out);
}

.site-nav__mega-card:hover {
    background: var(--color-cyan-100);
}

.site-nav__mega-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-cyan-100);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.site-nav__mega-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.site-nav__mega-card:hover .site-nav__mega-icon {
    background: var(--color-white);
}

.site-nav__mega-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.site-nav__mega-title {
    font-size: 0.9375rem;
    font-weight: var(--fw-bold);
    color: var(--color-primary);
    line-height: 1.3;
}

.site-nav__mega-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.45;
}

.site-nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-left: var(--space-4);
    padding-left: var(--space-4);
    border-left: 1px solid var(--color-border);
}

.site-nav__lang {
    font-family: monospace;
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: background-color var(--duration) var(--ease-out);
}
.site-nav__lang:hover { background: var(--color-cyan-100); }

.site-nav__login {
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
}
.site-nav__login:hover { color: var(--color-cyan-600); }

.site-nav__cta { min-height: 40px; padding: .5rem 1.25rem; }

/* Burger button (mobile only) */
.site-header__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 0;
    color: var(--color-primary);
}
.site-header__burger-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform var(--duration) var(--ease-out),
                opacity var(--duration) var(--ease-out);
}
.site-header__burger[aria-expanded="true"] .site-header__burger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header__burger[aria-expanded="true"] .site-header__burger-bar:nth-child(2) { opacity: 0; }
.site-header__burger[aria-expanded="true"] .site-header__burger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

body.has-transparent-header .site-header:not(.is-scrolled):not(.is-open) .site-header__burger { color: var(--color-text-on-dark); }

@media (max-width: 960px) {
    .site-header__burger { display: inline-flex; }

    .site-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 0;
        padding: var(--space-6) var(--container-padding-x);
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform var(--duration) var(--ease-out);
    }
    .site-header.is-open .site-nav { transform: none; }
    .site-header.is-open { background: var(--color-white); border-bottom-color: var(--color-border); }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-1);
        width: 100%;
    }
    .site-nav__link {
        width: 100%;
        justify-content: space-between;
        padding: var(--space-4) var(--space-3);
        font-size: 1rem;
    }
    .site-nav__submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: 0;
        background: var(--color-cyan-100);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--duration) var(--ease-out);
        padding: 0;
        margin: 0 var(--space-3) var(--space-2);
        border-radius: var(--radius);
    }
    .site-nav__link[aria-expanded="true"] + .site-nav__submenu {
        max-height: 500px;
        padding: var(--space-2);
    }
    .site-nav__sublink { padding: var(--space-3); }

    /* Megamenu → behaves like the simple submenu on mobile : stacked cards */
    .site-nav__megamenu {
        position: static;
        transform: none;
        width: auto;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: 0;
        background: var(--color-cyan-100);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--duration) var(--ease-out);
        padding: 0;
        margin: 0 var(--space-3) var(--space-2);
        border-radius: var(--radius);
    }
    .site-nav__link[aria-expanded="true"] + .site-nav__megamenu {
        max-height: 1400px;
        padding: var(--space-2);
    }
    .site-nav__mega-grid {
        grid-template-columns: 1fr;
        gap: var(--space-1);
    }
    .site-nav__mega-card {
        padding: var(--space-2) var(--space-3);
        gap: var(--space-3);
    }
    .site-nav__mega-icon {
        width: 40px;
        height: 40px;
    }
    .site-nav__mega-title { font-size: 0.875rem; }
    .site-nav__mega-desc { font-size: 0.75rem; }

    .site-nav__actions {
        margin: var(--space-6) 0 0;
        padding: var(--space-6) 0 0;
        border-left: 0;
        border-top: 1px solid var(--color-border);
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    .site-nav__cta { width: 100%; justify-content: center; order: 3; margin-top: var(--space-2); }
}

body.no-scroll { overflow: hidden; }

/* ----------------------------------------------------------------------------
 *  11. Footer
 * ---------------------------------------------------------------------------- */

.site-footer {
    background: var(--color-bg-dark);
    color: var(--color-text-on-dark);
    padding: clamp(var(--space-12), 6vw, var(--space-20)) 0 var(--space-8);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-8) var(--space-6);
}
@media (max-width: 960px) {
    .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
    .site-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
    .site-footer__grid { grid-template-columns: 1fr; }
}

.site-footer__logo { width: auto; height: clamp(28px, 2.5vw, 36px); margin-bottom: var(--space-4); }

.site-footer__tagline {
    font-size: var(--fs-lead);
    font-weight: var(--fw-medium);
    margin: 0 0 var(--space-6);
    max-width: 32ch;
}

.site-footer__address {
    font-style: normal;
    font-size: var(--fs-small);
    line-height: var(--lh-loose);
    color: var(--color-cyan-200);
    margin: 0 0 var(--space-3);
}

.site-footer__contact a {
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-size: var(--fs-small);
}
.site-footer__contact a:hover { color: var(--color-cyan); }

.site-footer__social {
    display: flex;
    gap: var(--space-2);
    margin: var(--space-5) 0 0;
    padding: 0;
    list-style: none;
}
.site-footer__social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-on-dark);
    background: rgba(255, 255, 255, .08);
    border-radius: var(--radius-pill);
    transition: background-color var(--duration) var(--ease-out),
                color var(--duration) var(--ease-out);
}
.site-footer__social a:hover { background: var(--color-cyan); color: var(--color-primary); }

.site-footer__col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.site-footer__title {
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--color-cyan-300);
    margin: 0 0 var(--space-5);
}

.site-footer__col a {
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-size: var(--fs-small);
    line-height: 1.5;
    transition: color var(--duration) var(--ease-out);
}
.site-footer__col a:hover { color: var(--color-cyan); }

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-12);
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, .1);
}

.site-footer__copyright {
    margin: 0;
    font-size: var(--fs-xs);
    color: var(--color-cyan-200);
}

.site-footer__lang {
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: background-color var(--duration) var(--ease-out);
}
.site-footer__lang:hover { background: rgba(255, 255, 255, .08); }

/* ----------------------------------------------------------------------------
 *  12. Pages d'erreur (404, 410)
 * ---------------------------------------------------------------------------- */

.error-page {
    min-height: 60vh;
    display: grid;
    place-items: center;
    padding: var(--space-12) var(--container-padding-x);
}
.error-page__container { text-align: center; max-width: 560px; }
.error-page__code {
    font-size: clamp(4rem, 8vw, 6rem);
    font-weight: var(--fw-extrabold);
    line-height: 1;
    color: var(--color-cyan);
    margin: 0;
}
.error-page__title {
    margin: var(--space-4) 0 var(--space-3);
    font-size: var(--fs-h2);
}
.error-page__message {
    color: var(--color-text-muted);
    margin: 0 0 var(--space-8);
    font-size: var(--fs-lead);
}
.error-page__actions { margin: 0; }

/* === css/blocks/hero-banner.css === */
/* Block : hero-banner — Bannière d'accueil principale (brandbook p.11) */

.hero-banner {
    padding-block: clamp(var(--space-16), 10vw, var(--space-24));
    color: var(--color-primary);
    position: relative;
    overflow: hidden;
}

.hero-banner__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    max-width: 860px;
}

.hero-banner--left   .hero-banner__inner { margin-inline: 0; text-align: left; align-items: flex-start; }
.hero-banner--center .hero-banner__inner { margin-inline: auto; text-align: center; align-items: center; }

.hero-banner__text {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.hero-banner__title {
    margin: 0;
    font-size: var(--fs-display);
    line-height: var(--lh-tight);
    letter-spacing: -0.02em;
    font-weight: var(--fw-extrabold);
    color: var(--color-primary);
}

.hero-banner__highlight {
    color: var(--color-cyan-500);
    background: linear-gradient(180deg, transparent 65%, var(--color-cyan-100) 65%);
    padding-inline: .08em;
}

.hero-banner__subtitle {
    margin: 0;
    font-size: var(--fs-lead);
    line-height: var(--lh-snug);
    color: var(--color-text-muted);
    max-width: 60ch;
}

.hero-banner__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

/* Variante fond sombre — inverse les contrastes */
.hero-banner--on-dark .hero-banner__title { color: var(--color-text-on-dark); }
.hero-banner--on-dark .hero-banner__subtitle { color: var(--color-cyan-200); }
.hero-banner--on-dark .hero-banner__highlight {
    color: var(--color-cyan-400);
    background: linear-gradient(180deg, transparent 65%, rgba(255,255,255,.06) 65%);
}

/* =============================================================================
   Variante avec image latérale (.hero-banner--with-image)
   Desktop : 2 colonnes (texte 50% / image 50%).
   Mobile  : empilé (texte au-dessus, image dessous).
   ============================================================================= */
.hero-banner--with-image .hero-banner__inner {
    max-width: var(--container-max);
    flex-direction: column;
    gap: var(--space-12);
    align-items: stretch;
    margin-inline: auto;
}

.hero-banner__media {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-banner__image {
    display: block;
    width: 100%;
    max-width: 640px;
    height: auto;
    /* Élève l'image avec une ombre subtile sur fonds sombres uniquement */
}

.hero-banner--on-dark .hero-banner__image {
    filter: drop-shadow(0 24px 40px rgba(0, 0, 0, .35));
}

@media (min-width: 960px) {
    .hero-banner--with-image .hero-banner__inner {
        flex-direction: row;
        align-items: center;
        gap: var(--space-16);
    }

    .hero-banner--with-image .hero-banner__text {
        flex: 1 1 50%;
        max-width: 560px;
    }

    .hero-banner--with-image .hero-banner__media {
        flex: 1 1 50%;
        justify-content: flex-end;
    }

    .hero-banner__image {
        max-width: 720px;
    }
}

@media (max-width: 720px) {
    .hero-banner__ctas { width: 100%; }
    .hero-banner__ctas .btn { flex: 1 1 auto; }
}

/* === css/blocks/feature-grid.css === */
/* Block : feature-grid — Grille d'arguments / raisons / bénéfices */

.feature-grid {
    padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.feature-grid__header {
    max-width: 720px;
    margin: 0 auto var(--space-12);
}
.feature-grid--center .feature-grid__header { text-align: center; }
.feature-grid--left   .feature-grid__header { text-align: left; margin-inline: 0; }

.feature-grid__eyebrow {
    margin: 0 0 var(--space-3);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--color-cyan-600);
}

.feature-grid__title {
    margin: 0 0 var(--space-4);
    font-size: var(--fs-h2);
    line-height: var(--lh-tight);
}

.feature-grid__subtitle {
    margin: 0;
    font-size: var(--fs-lead);
    line-height: var(--lh-snug);
    color: var(--color-text-muted);
}

/* Grid */
.feature-grid__list {
    display: grid;
    gap: var(--space-8);
    list-style: none;
    padding: 0;
    margin: 0;
}
.feature-grid--cols-2 .feature-grid__list { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.feature-grid--cols-3 .feature-grid__list { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.feature-grid--cols-4 .feature-grid__list { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
@media (min-width: 980px) {
    .feature-grid--cols-2 .feature-grid__list { grid-template-columns: repeat(2, 1fr); }
    .feature-grid--cols-3 .feature-grid__list { grid-template-columns: repeat(3, 1fr); }
    .feature-grid--cols-4 .feature-grid__list { grid-template-columns: repeat(4, 1fr); }
}

.feature-grid__item {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-6);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--duration) var(--ease-out),
                box-shadow var(--duration) var(--ease-out),
                border-color var(--duration) var(--ease-out);
}
.feature-grid__item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--color-cyan-300);
}

/* Sur fond clair (pale) : items en blanc */
.feature-grid.bg-pale .feature-grid__item,
.feature-grid.bg-gray-50 .feature-grid__item {
    background: var(--color-white);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.feature-grid__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-cyan-100);
    color: var(--color-cyan-700);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}
.feature-grid__icon svg { width: 32px; height: 32px; }

/* Variante illustration (PNG/WebP) : tuile plus grande, image qui remplit. */
.feature-grid__icon--illustrated {
    width: 100%;
    max-width: 240px;
    height: auto;
    aspect-ratio: 3 / 2;
    background: transparent;
    border-radius: var(--radius-lg);
    overflow: hidden;
    padding: 0;
}

.feature-grid__icon--illustrated .feature-grid__icon-img,
.feature-grid__icon--illustrated img,
.feature-grid__icon--illustrated picture {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-lg);
}

.feature-grid__item-title {
    margin: 0;
    font-size: 1.125rem;
    line-height: var(--lh-snug);
    color: var(--color-primary);
    font-weight: var(--fw-bold);
}

.feature-grid__item-desc {
    margin: 0;
    font-size: var(--fs-small);
    line-height: var(--lh-loose);
    color: var(--color-text-muted);
}

.feature-grid__item-link {
    margin-top: auto;
    padding-top: var(--space-2);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--color-cyan-600);
    text-decoration: none;
    transition: color var(--duration) var(--ease-out);
}
.feature-grid__item-link:hover,
.feature-grid__item-link:focus-visible {
    color: var(--color-cyan-700);
}
.feature-grid__item-link span {
    display: inline-block;
    transition: transform var(--duration) var(--ease-out);
}
.feature-grid__item-link:hover span,
.feature-grid__item-link:focus-visible span {
    transform: translateX(3px);
}

/* === css/blocks/expertise-accordion.css === */
/**
 * Expertise Accordion — Synced accordion + image swap.
 *
 * Layout : 2 colonnes (image | content). Sur mobile, l'image passe au-dessus
 * de l'accordéon. La figure active a opacity:1 et position:relative ; les
 * autres sont stackées en absolute avec opacity:0 → transition douce.
 */

.block--expertise-accordion {
    padding-block: var(--space-24);
}

.expertise-accordion__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.expertise-accordion--image-right .expertise-accordion__media {
    order: 2;
}

/* ── Media ────────────────────────────────────────────────────────── */
.expertise-accordion__media {
    position: relative;
    min-height: 460px;
}

.expertise-accordion__figure {
    margin: 0;
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .4s ease, transform .4s ease;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.expertise-accordion__figure.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.expertise-accordion__image {
    width: 100%;
    height: auto;
    max-height: 520px;
    object-fit: contain;
    border-radius: 16px;
}

/* ── Content ──────────────────────────────────────────────────────── */
.expertise-accordion__content {
    max-width: 540px;
}

.expertise-accordion__eyebrow {
    color: var(--color-cyan-600);
    font-size: .8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin: 0 0 var(--space-3);
}

.expertise-accordion__title {
    color: var(--color-primary);
    font-size: clamp(28px, 2rem + 1.5vw, 44px);
    line-height: 1.15;
    font-weight: var(--fw-bold);
    margin: 0 0 var(--space-4);
}

.expertise-accordion__highlight {
    color: var(--color-cyan-500);
}

.expertise-accordion__subtitle {
    color: var(--color-text-muted);
    font-size: 1rem;
    margin: 0 0 var(--space-8);
}

/* ── Accordion items ──────────────────────────────────────────────── */
.expertise-accordion__list {
    border-top: 1px solid var(--color-border);
}

.expertise-accordion__item {
    border-bottom: 1px solid var(--color-border);
}

.expertise-accordion__trigger {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    padding: var(--space-5) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    color: var(--color-primary);
    font-family: inherit;
    font-size: 1.0625rem;
    font-weight: 700;
    cursor: pointer;
    transition: color .2s ease;
}

.expertise-accordion__trigger:hover,
.expertise-accordion__item.is-open .expertise-accordion__trigger {
    color: var(--color-cyan-600);
}

.expertise-accordion__trigger-text {
    flex: 1;
}

.expertise-accordion__chevron {
    flex-shrink: 0;
    transition: transform .3s ease;
}

.expertise-accordion__item.is-open .expertise-accordion__chevron {
    transform: rotate(180deg);
}

.expertise-accordion__panel {
    overflow: hidden;
    color: var(--color-text);
    font-size: .9375rem;
    line-height: 1.65;
    padding: 0 0 var(--space-5);
}

.expertise-accordion__panel[hidden] {
    display: none;
}

.expertise-accordion__panel p {
    margin: 0;
    font-style: italic;
}

/* ── Inversion on dark background ─────────────────────────────────── */
.bg-dark.block--expertise-accordion .expertise-accordion__title,
.bg-primary.block--expertise-accordion .expertise-accordion__title,
.bg-dark.block--expertise-accordion .expertise-accordion__trigger,
.bg-primary.block--expertise-accordion .expertise-accordion__trigger {
    color: var(--color-text-on-dark);
}

.bg-dark.block--expertise-accordion .expertise-accordion__panel,
.bg-primary.block--expertise-accordion .expertise-accordion__panel,
.bg-dark.block--expertise-accordion .expertise-accordion__subtitle,
.bg-primary.block--expertise-accordion .expertise-accordion__subtitle {
    color: rgba(255, 255, 255, 0.78);
}

.bg-dark.block--expertise-accordion .expertise-accordion__list,
.bg-dark.block--expertise-accordion .expertise-accordion__item,
.bg-primary.block--expertise-accordion .expertise-accordion__list,
.bg-primary.block--expertise-accordion .expertise-accordion__item {
    border-color: rgba(255, 255, 255, 0.18);
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 960px) {
    .expertise-accordion__inner {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    .expertise-accordion--image-right .expertise-accordion__media {
        order: 0;
    }
    .expertise-accordion__media {
        min-height: 320px;
    }
    .expertise-accordion__image {
        max-height: 360px;
    }
}

@media (max-width: 640px) {
    .expertise-accordion__media {
        min-height: 240px;
    }
    .expertise-accordion__image {
        max-height: 260px;
    }
    .expertise-accordion__trigger {
        font-size: .9375rem;
        padding: var(--space-4) 0;
    }
}

/* === css/blocks/cta-prefooter.css === */
/* Block : cta-prefooter — Bandeau de conversion en fin de page */

.cta-prefooter {
    padding-block: clamp(var(--space-12), 6vw, var(--space-16));
}

.cta-prefooter__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.cta-prefooter__text {
    flex: 1 1 360px;
    min-width: 0;
}

.cta-prefooter__title {
    margin: 0;
    font-size: var(--fs-h2);
    line-height: var(--lh-tight);
    color: var(--color-primary);
}

.cta-prefooter__subtitle {
    margin: var(--space-3) 0 0;
    font-size: var(--fs-lead);
    line-height: var(--lh-snug);
    color: var(--color-dark-500);
    max-width: 50ch;
}

.cta-prefooter__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

/* Variante fond sombre */
.cta-prefooter--on-dark .cta-prefooter__title,
.cta-prefooter--on-dark .cta-prefooter__subtitle {
    color: var(--color-text-on-dark);
}
.cta-prefooter--on-dark .cta-prefooter__subtitle { color: var(--color-cyan-200); }

@media (max-width: 720px) {
    .cta-prefooter__inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .cta-prefooter__actions { width: 100%; }
    .cta-prefooter__actions .btn { flex: 1; }
}