/* ============================================
   STYLES GLOBAUX (assets/css/styles.css)
   ============================================ */
:root {
    /* Couleurs mode clair */
    --bg-main: #ffffff;
    --bg-sub: #f9fafb;
    --bg-card: #ffffff;
    --bg-navbar: rgba(255, 255, 255, 0.85);
    --bg-dropdown: #ffffff;
    --text-titre: #1e6078;
    --text-title: #123a48;
    --text-body: #111827;
    --text-muted: #6b7280;
    --text-inverse: #ffffff;
    --border: #f0f0f0;
    --border-dark: #e5e7eb;
    --accent: #123a48;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --icon-color: #123a48;
    --logo-url: url('https://www.xone360.com/assets/images/logo.png');
    --transition-speed: 0.3s;
}

/* Mode sombre */
[data-theme="dark"] {
    --bg-main: #0f1a24;
    --bg-sub: #16222e;
    --bg-card: #1a2a38;
    --bg-navbar: rgba(15, 26, 36, 0.92);
    --bg-dropdown: #1a2a38;
    --text-titre: #7ab7d4;
    --text-title: #8fc9e6;
    --text-body: #e8edf2;
    --text-muted: #9aabb8;
    --text-inverse: #0f1a24;
    --border: #2a4050;
    --border-dark: #3a5568;
    --accent: #4a9bb8;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);
    --icon-color: #8fc9e6;
    --logo-url: url('https://www.xone360.com/assets/images/logo-w.png');
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

em {
    font-family: Georgia, serif;
    font-style: italic;
    font-weight: 600;
}

/* --- BOUTONS GLOBAUX --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 9999px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
}

.btn-black {
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
}

.btn-black:hover {
    opacity: 0.9;
}

.btn-white {
    background: #fff;
    color: var(--text-title);
    border: 1px solid var(--border-dark);
}

.btn-white:hover {
    background: var(--bg-sub);
}

.badge-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* --- SECTION HEADER GLOBAL --- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    margin-top: 100px;
}

.section-header h2 {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-top: 8px;
    color: var(--text-title);
}

/* --- SCROLLBAR PERSONNALISÉE --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-sub);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    opacity: 0.8;
}

/* --- TRANSITIONS DE THÈME --- */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.2s ease;
}

/* Empêcher la transition sur le chargement initial */
.no-transition {
    transition: none !important;
}

/* Styles pour le menu mobile */
body.menu-open {
    overflow: hidden;
}

/* Amélioration de l'accessibilité */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ============================================
   SYSTEME DE GRILLE (Grid System)
   ============================================ */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -12px;
    margin-left: -12px;
}

.row>* {
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
    padding-right: 12px;
    padding-left: 12px;
}

.col {
    flex: 1 0 0%;
}

.col-1 {
    flex: 0 0 auto;
    width: 8.33333333%;
}
.col-2 {
    flex: 0 0 auto;
    width: 16.66666667%;
}
.col-3 {
    flex: 0 0 auto;
    width: 25%;
}
.col-4 {
    flex: 0 0 auto;
    width: 33.33333333%;
}
.col-5 {
    flex: 0 0 auto;
    width: 41.66666667%;
}
.col-6 {
    flex: 0 0 auto;
    width: 50%;
}
.col-7 {
    flex: 0 0 auto;
    width: 58.33333333%;
}
.col-8 {
    flex: 0 0 auto;
    width: 66.66666667%;
}
.col-9 {
    flex: 0 0 auto;
    width: 75%;
}
.col-10 {
    flex: 0 0 auto;
    width: 83.33333333%;
}
.col-11 {
    flex: 0 0 auto;
    width: 91.66666667%;
}
.col-12 {
    flex: 0 0 auto;
    width: 100%;
}

/* Breakpoint SM (≥576px) */
@media (min-width: 576px) {
    .col-sm-1 {
        flex: 0 0 auto;
        width: 8.33333333%;
    }
    .col-sm-2 {
        flex: 0 0 auto;
        width: 16.66666667%;
    }
    .col-sm-3 {
        flex: 0 0 auto;
        width: 25%;
    }
    .col-sm-4 {
        flex: 0 0 auto;
        width: 33.33333333%;
    }
    .col-sm-5 {
        flex: 0 0 auto;
        width: 41.66666667%;
    }
    .col-sm-6 {
        flex: 0 0 auto;
        width: 50%;
    }
    .col-sm-7 {
        flex: 0 0 auto;
        width: 58.33333333%;
    }
    .col-sm-8 {
        flex: 0 0 auto;
        width: 66.66666667%;
    }
    .col-sm-9 {
        flex: 0 0 auto;
        width: 75%;
    }
    .col-sm-10 {
        flex: 0 0 auto;
        width: 83.33333333%;
    }
    .col-sm-11 {
        flex: 0 0 auto;
        width: 91.66666667%;
    }
    .col-sm-12 {
        flex: 0 0 auto;
        width: 100%;
    }
}

/* Breakpoint MD (≥768px) */
@media (min-width: 768px) {
    .col-md-1 {
        flex: 0 0 auto;
        width: 8.33333333%;
    }
    .col-md-2 {
        flex: 0 0 auto;
        width: 16.66666667%;
    }
    .col-md-3 {
        flex: 0 0 auto;
        width: 25%;
    }
    .col-md-4 {
        flex: 0 0 auto;
        width: 33.33333333%;
    }
    .col-md-5 {
        flex: 0 0 auto;
        width: 41.66666667%;
    }
    .col-md-6 {
        flex: 0 0 auto;
        width: 50%;
    }
    .col-md-7 {
        flex: 0 0 auto;
        width: 58.33333333%;
    }
    .col-md-8 {
        flex: 0 0 auto;
        width: 66.66666667%;
    }
    .col-md-9 {
        flex: 0 0 auto;
        width: 75%;
    }
    .col-md-10 {
        flex: 0 0 auto;
        width: 83.33333333%;
    }
    .col-md-11 {
        flex: 0 0 auto;
        width: 91.66666667%;
    }
    .col-md-12 {
        flex: 0 0 auto;
        width: 100%;
    }
}

/* Breakpoint LG (≥992px) */
@media (min-width: 992px) {
    .col-lg-1 {
        flex: 0 0 auto;
        width: 8.33333333%;
    }
    .col-lg-2 {
        flex: 0 0 auto;
        width: 16.66666667%;
    }
    .col-lg-3 {
        flex: 0 0 auto;
        width: 25%;
    }
    .col-lg-4 {
        flex: 0 0 auto;
        width: 33.33333333%;
    }
    .col-lg-5 {
        flex: 0 0 auto;
        width: 41.66666667%;
    }
    .col-lg-6 {
        flex: 0 0 auto;
        width: 50%;
    }
    .col-lg-7 {
        flex: 0 0 auto;
        width: 58.33333333%;
    }
    .col-lg-8 {
        flex: 0 0 auto;
        width: 66.66666667%;
    }
    .col-lg-9 {
        flex: 0 0 auto;
        width: 75%;
    }
    .col-lg-10 {
        flex: 0 0 auto;
        width: 83.33333333%;
    }
    .col-lg-11 {
        flex: 0 0 auto;
        width: 91.66666667%;
    }
    .col-lg-12 {
        flex: 0 0 auto;
        width: 100%;
    }
}

/* Breakpoint XL (≥1200px) */
@media (min-width: 1200px) {
    .col-xl-1 {
        flex: 0 0 auto;
        width: 8.33333333%;
    }
    .col-xl-2 {
        flex: 0 0 auto;
        width: 16.66666667%;
    }
    .col-xl-3 {
        flex: 0 0 auto;
        width: 25%;
    }
    .col-xl-4 {
        flex: 0 0 auto;
        width: 33.33333333%;
    }
    .col-xl-5 {
        flex: 0 0 auto;
        width: 41.66666667%;
    }
    .col-xl-6 {
        flex: 0 0 auto;
        width: 50%;
    }
    .col-xl-7 {
        flex: 0 0 auto;
        width: 58.33333333%;
    }
    .col-xl-8 {
        flex: 0 0 auto;
        width: 66.66666667%;
    }
    .col-xl-9 {
        flex: 0 0 auto;
        width: 75%;
    }
    .col-xl-10 {
        flex: 0 0 auto;
        width: 83.33333333%;
    }
    .col-xl-11 {
        flex: 0 0 auto;
        width: 91.66666667%;
    }
    .col-xl-12 {
        flex: 0 0 auto;
        width: 100%;
    }
}

/* ============================================
   ESPACEMENTS (Margins & Paddings)
   ============================================ */

/* Marges (m-*) */
.m-0 { margin: 0 !important; }
.m-1 { margin: 0.25rem !important; }
.m-2 { margin: 0.5rem !important; }
.m-3 { margin: 1rem !important; }
.m-4 { margin: 1.5rem !important; }
.m-5 { margin: 3rem !important; }

/* Marges horizontales (mx-*) */
.mx-0 { margin-right: 0 !important; margin-left: 0 !important; }
.mx-1 { margin-right: 0.25rem !important; margin-left: 0.25rem !important; }
.mx-2 { margin-right: 0.5rem !important; margin-left: 0.5rem !important; }
.mx-3 { margin-right: 1rem !important; margin-left: 1rem !important; }
.mx-4 { margin-right: 1.5rem !important; margin-left: 1.5rem !important; }
.mx-5 { margin-right: 3rem !important; margin-left: 3rem !important; }
.mx-auto { margin-right: auto !important; margin-left: auto !important; }

/* Marges verticales (my-*) */
.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }
.my-1 { margin-top: 0.25rem !important; margin-bottom: 0.25rem !important; }
.my-2 { margin-top: 0.5rem !important; margin-bottom: 0.5rem !important; }
.my-3 { margin-top: 1rem !important; margin-bottom: 1rem !important; }
.my-4 { margin-top: 1.5rem !important; margin-bottom: 1.5rem !important; }
.my-5 { margin-top: 3rem !important; margin-bottom: 3rem !important; }
.my-auto { margin-top: auto !important; margin-bottom: auto !important; }

/* Marges supérieures (mt-*) */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }
.mt-auto { margin-top: auto !important; }

/* Marges inférieures (mb-*) */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.mb-auto { margin-bottom: auto !important; }

/* Marges gauches (ml-*) */
.ml-0 { margin-left: 0 !important; }
.ml-1 { margin-left: 0.25rem !important; }
.ml-2 { margin-left: 0.5rem !important; }
.ml-3 { margin-left: 1rem !important; }
.ml-4 { margin-left: 1.5rem !important; }
.ml-5 { margin-left: 3rem !important; }
.ml-auto { margin-left: auto !important; }

/* Marges droites (mr-*) */
.mr-0 { margin-right: 0 !important; }
.mr-1 { margin-right: 0.25rem !important; }
.mr-2 { margin-right: 0.5rem !important; }
.mr-3 { margin-right: 1rem !important; }
.mr-4 { margin-right: 1.5rem !important; }
.mr-5 { margin-right: 3rem !important; }
.mr-auto { margin-right: auto !important; }

/* Paddings (p-*) */
.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

/* Paddings horizontaux (px-*) */
.px-0 { padding-right: 0 !important; padding-left: 0 !important; }
.px-1 { padding-right: 0.25rem !important; padding-left: 0.25rem !important; }
.px-2 { padding-right: 0.5rem !important; padding-left: 0.5rem !important; }
.px-3 { padding-right: 1rem !important; padding-left: 1rem !important; }
.px-4 { padding-right: 1.5rem !important; padding-left: 1.5rem !important; }
.px-5 { padding-right: 3rem !important; padding-left: 3rem !important; }

/* Paddings verticaux (py-*) */
.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-1 { padding-top: 0.25rem !important; padding-bottom: 0.25rem !important; }
.py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
.py-5 { padding-top: 3rem !important; padding-bottom: 3rem !important; }

/* Paddings supérieurs (pt-*) */
.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 0.25rem !important; }
.pt-2 { padding-top: 0.5rem !important; }
.pt-3 { padding-top: 1rem !important; }
.pt-4 { padding-top: 1.5rem !important; }
.pt-5 { padding-top: 3rem !important; }

/* Paddings inférieurs (pb-*) */
.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 0.25rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }
.pb-5 { padding-bottom: 3rem !important; }

/* Paddings gauches (pl-*) */
.pl-0 { padding-left: 0 !important; }
.pl-1 { padding-left: 0.25rem !important; }
.pl-2 { padding-left: 0.5rem !important; }
.pl-3 { padding-left: 1rem !important; }
.pl-4 { padding-left: 1.5rem !important; }
.pl-5 { padding-left: 3rem !important; }

/* Paddings droites (pr-*) */
.pr-0 { padding-right: 0 !important; }
.pr-1 { padding-right: 0.25rem !important; }
.pr-2 { padding-right: 0.5rem !important; }
.pr-3 { padding-right: 1rem !important; }
.pr-4 { padding-right: 1.5rem !important; }
.pr-5 { padding-right: 3rem !important; }

/* ============================================
   CLASSES UTILITAIRES DE TEXTE
   ============================================ */
.text-start { text-align: left !important; }
.text-end { text-align: right !important; }
.text-center { text-align: center !important; }

/* ============================================
   RESPONSIVE GLOBAL
   ============================================ */
@media (max-width: 968px) {
    .section-header h2 {
        font-size: 30px;
    }
    .container {
        padding: 0 16px;
    }
}

@media (max-width: 600px) {
    .section-header h2 {
        font-size: 24px;
    }
}