/* ═══════════════════════════════════════════════════════════
   AXION STRATEGY & FINANCE — Design System
   Palette : Bleu marine (#011E3D) · Or (#F2900C)
   ═══════════════════════════════════════════════════════════ */

/* ── Tokens ── */
:root {
    --navy: #011E3D;
    --navy-deep: #010F1F;
    --navy-mid: #0A2D52;
    --navy-light: #133B64;
    --gold: #F2900C;
    --gold-light: #F9B24A;
    --gold-pale: #FFF3E0;
    --bone: #FAFAF7;
    --paper: #F4F5F0;
    --ink: #1A1A1A;
    --ink-soft: #4A4A4A;
    --white: #FFFFFF;
    --line: rgba(1,30,61,.10);
    --line-light: rgba(255,255,255,.12);
    --line-gold: rgba(242,144,12,.30);
    --shadow-sm: 0 2px 8px rgba(1,30,61,.08);
    --shadow-md: 0 8px 32px rgba(1,30,61,.12);
    --shadow-header: 0 4px 20px rgba(1,15,31,.35);
    --radius: 4px;
    --maxw: 1200px;
    --header-h: 80px;
}

/* ── Reset ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: "Newsreader", Georgia, "Times New Roman", serif;
    font-weight: 600;
    color: var(--navy);
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
}

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

ul {
    list-style: none;
}

.eyebrow {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: .7rem;
    font-weight: 500;
    letter-spacing: .18em;
    text-transform: uppercase;
}

/* ── Accessibilité ── */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--gold);
    color: var(--navy);
    padding: .6rem 1.2rem;
    font-weight: 600;
    z-index: 999;
    border-radius: 0 0 var(--radius) 0;
}

    .skip-link:focus {
        left: 0;
    }

:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}


/* ═══════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--navy);
    transition: box-shadow .3s ease;
}

    .site-header::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
    }

    .site-header.is-scrolled {
        box-shadow: var(--shadow-header);
    }

.header-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
    padding: 0 2rem;
    height: var(--header-h);
    transition: height .3s ease;
}

.site-header.is-scrolled .header-inner {
    height: 64px;
}

/* ── Logo ── */
.brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    padding: .4rem .7rem;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 6px;
    transition: background .3s, border-color .3s;
}

    .brand:hover {
        background: rgba(255,255,255,.07);
        border-color: rgba(242,144,12,.25);
    }

.brand-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: height .3s ease;
}

.site-header.is-scrolled .brand {
    padding: .3rem .6rem;
}

.site-header.is-scrolled .brand-logo {
    height: 36px;
}

/* ── Navigation ── */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0;
    padding-left: 1.75rem;
    border-left: 1px solid rgba(255,255,255,.1);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-list {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    list-style: none;
    margin: 0;
    padding: 0;
}

    .nav-list li {
        display: flex;
        border-left: 1px solid rgba(255,255,255,.08);
    }

        .nav-list li:last-child {
            border-right: 1px solid rgba(255,255,255,.08);
        }

    .nav-list a {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: .3rem;
        padding: .6rem 1rem;
        width: 125px;
        font-size: .72rem;
        font-weight: 500;
        letter-spacing: .06em;
        text-transform: uppercase;
        color: rgba(255,255,255,.7);
        transition: color .2s, background .2s;
        position: relative;
        white-space: nowrap;
        text-align: center;
    }

        .nav-list a i {
            font-size: 1.1rem;
            transition: color .2s, transform .2s;
        }

        .nav-list a:hover,
        .nav-list a:focus-visible {
            color: var(--white);
            background: rgba(255,255,255,.06);
        }

            .nav-list a:hover i,
            .nav-list a:focus-visible i {
                color: var(--gold-light);
                transform: translateY(-1px);
            }

        .nav-list a.active {
            color: var(--gold);
            background: rgba(242,144,12,.1);
        }

            .nav-list a.active::after {
                content: "";
                position: absolute;
                bottom: 0;
                left: 0;
                right: 0;
                height: 2px;
                background: var(--gold);
            }

            .nav-list a.active i {
                color: var(--gold);
            }

/* ── CTA Contact ── */
.btn-contact {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin-left: 1.2rem;
    padding: .6rem 1.3rem;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--navy);
    background: var(--gold);
    border: 2px solid var(--gold);
    border-radius: var(--radius);
    transition: background .25s, color .25s, transform .15s, box-shadow .25s;
    white-space: nowrap;
}

    .btn-contact i {
        font-size: 1rem;
    }

    .btn-contact:hover,
    .btn-contact:focus-visible {
        background: var(--gold-light);
        border-color: var(--gold-light);
        transform: translateY(-1px);
        box-shadow: 0 4px 16px rgba(242,144,12,.35);
    }

/* ── Hamburger mobile ── */
.nav-toggle {
    display: none;
    background: none;
    border: 2px solid rgba(255,255,255,.25);
    border-radius: var(--radius);
    cursor: pointer;
    padding: .45rem;
    flex-direction: column;
    gap: 4px;
    z-index: 200;
    transition: border-color .2s;
}

    .nav-toggle:hover {
        border-color: var(--gold);
    }

    .nav-toggle span {
        width: 20px;
        height: 2px;
        background: var(--white);
        border-radius: 2px;
        transition: transform .25s, opacity .25s;
    }

    .nav-toggle.is-active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .nav-toggle.is-active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.is-active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

/* ── Overlay mobile ── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(1,15,31,.6);
    z-index: 140;
    opacity: 0;
    transition: opacity .3s;
}

    .nav-overlay.is-visible {
        display: block;
        opacity: 1;
    }


/* ═══════════════════════════════════════════════════════════
   SÉLECTEUR DE LANGUE
   ═══════════════════════════════════════════════════════════ */
.lang-switcher {
    position: absolute;
    top: 100%;
    right: 2rem;
    margin-top: .85rem;
    z-index: 95;
}

.lang-trigger {
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: .5rem .9rem;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    font-family: "IBM Plex Mono", monospace;
    font-size: .7rem;
    font-weight: 500;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--navy);
    transition: border-color .2s, transform .2s;
}

    .lang-trigger:hover,
    .lang-trigger:focus-visible {
        border-color: var(--line-gold);
        transform: translateY(-1px);
    }

    .lang-trigger .lang-flag,
    .lang-option .lang-flag {
        width: 20px;
        height: 14px;
        flex-shrink: 0;
        border-radius: 2px;
        overflow: hidden;
        box-shadow: 0 0 0 1px var(--line);
    }

        .lang-trigger .lang-flag svg,
        .lang-option .lang-flag svg {
            display: block;
            width: 100%;
            height: 100%;
        }

    .lang-trigger i {
        font-size: .65rem;
        color: var(--gold);
        transition: transform .2s;
    }

.lang-switcher.open .lang-trigger i {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + .6rem);
    right: 0;
    min-width: 170px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: .4rem;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .18s, transform .18s, visibility .18s;
}

.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .55rem .7rem;
    border-radius: 3px;
    font-family: "IBM Plex Sans", sans-serif;
    font-size: .82rem;
    font-weight: 500;
    color: var(--ink);
    transition: background .15s;
}

    .lang-option:hover {
        background: var(--paper);
    }

    .lang-option.active {
        background: var(--gold-pale);
        color: var(--navy);
        font-weight: 600;
    }

        .lang-option.active::after {
            content: "\2713";
            margin-left: auto;
            font-size: .7rem;
            color: var(--gold);
        }

@media (max-width: 900px) {
    .lang-switcher {
        right: 1.5rem;
    }
}

@media (max-width: 540px) {
    .lang-switcher {
        right: 1rem;
    }

    .lang-trigger {
        padding: .45rem .7rem;
    }
}


/* ═══════════════════════════════════════════════════════════
   RESPONSIVE HEADER
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1080px) {
    .header-inner {
        gap: 1.25rem;
        padding: 0 1.5rem;
    }

    .header-actions {
        padding-left: 1rem;
    }

    .nav-list a {
        padding: .5rem .6rem;
        font-size: .66rem;
    }

        .nav-list a i {
            font-size: .95rem;
        }

    .brand-logo {
        height: 40px;
    }

    .brand {
        padding: .3rem .5rem;
    }

    .btn-contact {
        padding: .55rem 1rem;
        font-size: .72rem;
        margin-left: .8rem;
    }
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .header-actions {
        border-left: none;
        padding-left: 0;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(340px, 85vw);
        height: 100vh;
        background: var(--navy);
        flex-direction: column;
        align-items: stretch;
        padding: 5.5rem 1.5rem 2rem;
        transform: translateX(100%);
        transition: transform .35s cubic-bezier(.4,0,.2,1);
        z-index: 150;
        overflow-y: auto;
        box-shadow: -8px 0 32px rgba(1,15,31,.5);
        border-left: 3px solid var(--gold);
    }

        .main-nav.is-open {
            transform: translateX(0);
        }

    .nav-list {
        display: flex;
        flex-direction: column;
        gap: .25rem;
        width: 100%;
    }

        .nav-list li {
            border-left: none;
            border-right: none;
            width: 100%;
        }

        .nav-list a {
            flex-direction: row;
            gap: .75rem;
            padding: .85rem 1rem;
            font-size: .82rem;
            width: 100%;
            border-radius: var(--radius);
            color: rgba(255,255,255,.8);
            text-align: left;
        }

            .nav-list a i {
                font-size: 1.15rem;
            }

            .nav-list a:hover,
            .nav-list a.active {
                background: rgba(242,144,12,.1);
                color: var(--gold);
            }

                .nav-list a.active::after {
                    display: none;
                }

    .btn-contact {
        margin: 1.5rem 0 0;
        justify-content: center;
        padding: .9rem 1.5rem;
        font-size: .85rem;
    }
}


/* ═══════════════════════════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════════════════════════ */
main {
    min-height: 60vh;
}


/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.site-footer {
    background: var(--navy);
    color: var(--white);
    position: relative;
}

    .site-footer::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
    }

.footer-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 4rem 2rem 2.5rem;
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr .8fr;
    gap: 3rem;
}

/* ── Footer brand ── */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.footer-wordmark {
    display: flex;
    flex-direction: column;
    gap: .15rem;
}

.footer-wordmark-name {
    font-family: "Newsreader", Georgia, serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: .04em;
    line-height: 1;
}

.footer-wordmark-sub {
    font-family: "IBM Plex Mono", monospace;
    font-size: .65rem;
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: rgba(255,255,255,.5);
    line-height: 1;
}

.footer-wordmark-line {
    width: 40px;
    height: 2px;
    background: var(--gold);
    margin-top: .5rem;
    border-radius: 2px;
}

.footer-desc {
    display: flex;
    flex-direction: column;
    gap: .8rem;
}

    .footer-desc p {
        font-size: .88rem;
        line-height: 1.6;
        color: rgba(255,255,255,.75);
        max-width: 340px;
        text-align: justify;
    }

    .footer-desc .desc-en {
        font-style: italic;
        font-size: .82rem;
        color: rgba(255,255,255,.5);
        border-left: 2px solid var(--gold);
        padding-left: .9rem;
    }

/* ── Footer colonnes ── */
.footer-col {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.footer-col-title {
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: .5rem;
    padding-bottom: .7rem;
    border-bottom: 1px solid var(--line-light);
}

    .footer-col-title i {
        font-size: .8rem;
    }

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: .6rem;
}

.footer-col a,
.footer-col li {
    font-size: .88rem;
    color: rgba(255,255,255,.75);
    display: flex;
    align-items: center;
    gap: .6rem;
    transition: color .2s, padding-left .2s;
}

    .footer-col a i,
    .footer-col li i {
        color: var(--gold);
        font-size: .95rem;
        flex-shrink: 0;
    }

    .footer-col a:hover {
        color: var(--gold-light);
        padding-left: 4px;
    }

/* Social links */
.social-links {
    display: flex;
    flex-direction: column;
    gap: .6rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: .65rem;
    font-size: .88rem;
    color: rgba(255,255,255,.75);
    transition: color .2s;
}

    .social-link i {
        font-size: 1.1rem;
        color: var(--gold);
        transition: transform .2s;
    }

    .social-link:hover {
        color: var(--gold-light);
    }

        .social-link:hover i {
            transform: scale(1.15);
        }

/* ── Footer bottom ── */
.footer-bottom {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 1.2rem 2rem;
    border-top: 1px solid var(--line-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

    .footer-bottom span,
    .footer-bottom a {
        font-size: .78rem;
        color: rgba(255,255,255,.45);
    }

        .footer-bottom a:hover {
            color: var(--gold);
        }

/* ── Footer responsive ── */
@media (max-width: 900px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 540px) {
    .footer-inner {
        grid-template-columns: 1fr;
        padding: 3rem 1.5rem 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: .5rem;
        padding: 1rem 1.5rem;
    }
}


/* ═══════════════════════════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════════════════════════ */
.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 2rem;
}

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


/* ════════════════════════════════════════════════════════════
   SYSTÈME BILINGUE — Header & Footer
   Règle : une seule langue à la fois dans la navigation
           les deux restent visibles dans la description footer
   ════════════════════════════════════════════════════════════ */

/* Mode FR (défaut) : EN masqué partout dans header et footer */
.site-header .bl-en,
.site-footer .bl-en {
    display: none;
}

/* Mode EN : FR masqué, EN visible */
[data-lang="en"] .site-header .bl-fr,
[data-lang="en"] .site-footer .bl-fr {
    display: none;
}

[data-lang="en"] .site-header .bl-en,
[data-lang="en"] .site-footer .bl-en {
    display: inline;
}

/* ── Description footer : les deux restent visibles, ordre inversé en EN ── */
[data-lang="en"] .footer-desc .desc-en {
    order: 1;
    font-style: normal;
    font-size: .88rem;
    color: rgba(255,255,255,.75);
    border-left: none;
    padding-left: 0;
}

[data-lang="en"] .footer-desc p:not(.desc-en) {
    order: 2;
    font-style: italic;
    font-size: .82rem;
    color: rgba(255,255,255,.5);
    border-left: 2px solid var(--gold);
    padding-left: .9rem;
}


/* ════════════════════════════════════════════════════════════
   SYSTÈME BILINGUE — Contenu
   La langue sélectionnée précède toujours l'autre (en italique)
   ════════════════════════════════════════════════════════════ */
.bilingual {
    display: flex;
    flex-direction: column;
    gap: .2em;
}

    /* Mode FR : FR normal au-dessus, EN italique en dessous */
    .bilingual .bl-fr {
        order: 1;
    }

    .bilingual .bl-en {
        order: 2;
        font-style: italic;
        font-size: .78em;
        opacity: .6;
        font-family: "IBM Plex Sans", sans-serif;
        font-weight: 400;
        letter-spacing: normal;
    }

/* Mode EN : EN normal au-dessus, FR italique en dessous */
[data-lang="en"] .bilingual .bl-en {
    order: 1;
    font-style: inherit;
    font-size: inherit;
    opacity: 1;
    font-family: inherit;
    font-weight: inherit;
    letter-spacing: inherit;
}

[data-lang="en"] .bilingual .bl-fr {
    order: 2;
    font-style: italic;
    font-size: .78em;
    opacity: .6;
    font-family: "IBM Plex Sans", sans-serif;
    font-weight: 400;
    letter-spacing: normal;
}

/* ── Boutons et eyebrows de section : toggle (une langue) ── */
.btn .bl-en,
.section-header .eyebrow .bl-en {
    display: none;
}

[data-lang="en"] .btn .bl-fr,
[data-lang="en"] .section-header .eyebrow .bl-fr {
    display: none;
}

[data-lang="en"] .btn .bl-en,
[data-lang="en"] .section-header .eyebrow .bl-en {
    display: inline;
}