/* 
   === DESIGN SYSTEM CENTRALISÉ ===
   Source de vérité unique pour Alpha RevOps
   Support Dark Mode / Light Mode
*/

/* === VARIABLES LIGHT MODE (Par défaut) === */
:root {
    /* PALETTE DE COULEURS BRAND */
    --color-navy: #0F2F4F;           /* Primary Brand Color - Deep Teal */
    --color-navy-light: #1A4E7A;      /* Lighter variant */
    --color-navy-dark: #081C2E;      /* Darker variant */
    --color-navy-hover: #1A4E7A;     /* Hover state */
    --color-navy-active: #0A2338;    /* Active state */
    
    --color-rust: #A85A3A;           /* Accent Color - Warm Rust */
    --color-rust-light: #C97C50;     /* Lighter variant */
    --color-rust-dark: #8B4A2D;      /* Darker variant */
    --color-rust-hover: #C97C50;     /* Hover state */
    --color-rust-active: #8B4A2D;    /* Active state */
    
    /* COULEURS SYSTÈME LIGHT MODE */
    --color-bg-primary: #FFFFFF;        /* Fond principal */
    --color-bg-secondary: #F9FAFB;      /* Fond secondaire */
    --color-bg-tertiary: #F3F4F6;      /* Fond tertiaire */
    --color-bg-hover: #F3F4F6;         /* Fond au survol */
    --color-bg-active: #E5E7EB;        /* Fond actif */
    
    --color-text-primary: #111827;      /* Texte principal */
    --color-text-secondary: #4B5563;   /* Texte secondaire */
    --color-text-tertiary: #9CA3AF;    /* Texte tertiaire */
    --color-text-inverse: #FFFFFF;      /* Texte sur fond sombre */
    --color-text-muted: #6B7280;       /* Texte atténué */
    
    --color-border: #E5E7EB;           /* Bordures */
    --color-border-light: #F3F4F6;     /* Bordures légères */
    --color-border-hover: #D1D5DB;     /* Bordures au survol */
    --color-border-focus: #1A4E7A;      /* Bordures focus */
    
    /* Échelle de gris complète */
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    --color-white: #FFFFFF;
    --color-black: #000000;
    
    /* Couleurs de statut */
    --color-success: #059669;
    --color-success-light: #10B981;
    --color-success-dark: #047857;
    --color-warning: #D97706;
    --color-warning-light: #F59E0B;
    --color-warning-dark: #B45309;
    --color-error: #DC2626;
    --color-error-light: #EF4444;
    --color-error-dark: #B91C1C;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* TYPOGRAPHIE */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
    --font-mono: 'Courier New', 'Monaco', monospace;

    /* ESPACEMENT & LAYOUT */
    --container-width: 1200px;
    --header-height: 70px;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    /* TRANSITIONS */
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
    --transition-fast: 0.15s ease;
}

/* === VARIABLES DARK MODE === */
[data-theme="dark"] {
    /* PALETTE DE COULEURS BRAND (Variantes plus claires pour dark mode) */
    /* Navy : Base #0F2F4F -> Variantes plus claires pour visibilité */
    --color-navy: #111827;            /* Navy éclairci pour dark mode */
    --color-navy-light: #6BA3C7;      /* Navy light éclairci */
    --color-navy-dark: #1E293B;       /* Navy dark éclairci */
    --color-navy-hover: #6BA3C7;      /* Hover state */
    --color-navy-active: #1E293B;     /* Active state */
    
    /* Rust : Base #A85A3A -> Variantes plus claires pour dark mode */
    --color-rust: #D47A5A;            /* Rust éclairci pour dark mode */
    --color-rust-light: #E89A7A;      /* Rust light éclairci */
    --color-rust-dark: #B85A3A;      /* Rust dark éclairci */
    --color-rust-hover: #E89A7A;      /* Hover state */
    --color-rust-active: #B85A3A;     /* Active state */
    
    /* COULEURS SYSTÈME DARK MODE */
    --color-bg-primary: #0F172A;       /* Fond principal (slate-900) */
    --color-bg-secondary: #1E293B;    /* Fond secondaire (slate-800) */
    --color-bg-tertiary: #334155;     /* Fond tertiaire (slate-700) */
    --color-bg-hover: #334155;        /* Fond au survol */
    --color-bg-active: #475569;       /* Fond actif */
    
    --color-text-primary: #F1F5F9;   /* Texte principal (slate-100) */
    --color-text-secondary: #CBD5E1;  /* Texte secondaire (slate-300) */
    --color-text-tertiary: #94A3B8;   /* Texte tertiaire (slate-400) */
    --color-text-inverse: #0F172A;     /* Texte sur fond clair */
    --color-text-muted: #64748B;      /* Texte atténué */
    
    --color-border: #334155;          /* Bordures (slate-700) */
    --color-border-light: #1E293B;   /* Bordures légères (slate-800) */
    --color-border-hover: #475569;    /* Bordures au survol */
    --color-border-focus: #4A7FA8;    /* Bordures focus (navy éclairci) */
    
    /* Échelle de gris inversée pour dark mode */
    --color-gray-50: #1E293B;
    --color-gray-100: #334155;
    --color-gray-200: #475569;
    --color-gray-300: #64748B;
    --color-gray-400: #94A3B8;
    --color-gray-500: #CBD5E1;
    --color-gray-600: #E2E8F0;
    --color-gray-700: #F1F5F9;
    --color-gray-800: #F8FAFC;
    --color-gray-900: #FFFFFF;
    
    --color-white: #0F172A;
    --color-black: #FFFFFF;
    
    /* Couleurs de statut (plus lumineuses en dark mode) */
    --color-success: #10B981;
    --color-success-light: #34D399;
    --color-success-dark: #059669;
    --color-warning: #F59E0B;
    --color-warning-light: #FBBF24;
    --color-warning-dark: #D97706;
    --color-error: #EF4444;
    --color-error-light: #F87171;
    --color-error-dark: #DC2626;
    
    /* Ombres (plus prononcées en dark mode) */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* === NAVIGATION (Centralisée) === */
.nav {
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: background-color var(--transition-slow), border-color var(--transition-slow);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 8px;
}

.logo {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-navy);
    letter-spacing: -0.5px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color var(--transition-base);
    padding: 8px 4px;
}

.logo:hover {
    color: var(--color-navy-hover);
}

.logo svg {
    transition: fill var(--transition-base), stroke var(--transition-base);
    fill: none;
    stroke: currentColor;
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-link {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 4px;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--color-navy);
    font-weight: 600;
}

[data-theme="dark"] .nav-link {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .nav-link:hover {
    color: var(--color-navy-light);
    font-weight: 600;
}

.nav-link.active {
    color: var(--color-navy);
    font-weight: 600;
    border-bottom: 2px solid var(--color-rust);
    padding-bottom: 6px;
}

[data-theme="dark"] .nav-link.active {
    color: var(--color-navy-light);
    font-weight: 600;
    border-bottom-color: var(--color-rust);
}

/* Dropdown Navigation */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 4px;
    white-space: nowrap;
    transition: all var(--transition-base);
}

.nav-dropdown-toggle:hover {
    color: var(--color-navy);
    font-weight: 600;
}

[data-theme="dark"] .nav-dropdown-toggle {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .nav-dropdown-toggle:hover {
    color: var(--color-navy-light);
    font-weight: 600;
}

.nav-dropdown.active .nav-dropdown-toggle {
    color: var(--color-navy);
    font-weight: 600;
}

[data-theme="dark"] .nav-dropdown.active .nav-dropdown-toggle {
    color: var(--color-navy-light);
    font-weight: 600;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 12px;
    min-width: 240px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
    padding: 6px 0;
}

[data-theme="dark"] .nav-dropdown-menu {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(0, 0, 0, 0.3);
}

.nav-dropdown.active .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-item {
    display: block;
    padding: 10px 24px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-base);
    border-left: 3px solid transparent;
    margin: 2px 0;
}

[data-theme="dark"] .nav-dropdown-item {
    color: var(--color-text-secondary);
}

.nav-dropdown-item:hover {
    color: var(--color-navy);
    background: var(--color-bg-secondary);
    border-left-color: var(--color-rust);
    padding-left: 28px;
}

[data-theme="dark"] .nav-dropdown-item:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-navy-light);
    border-left-color: var(--color-rust);
}

.nav-dropdown-item.active {
    color: var(--color-navy);
    background: var(--color-bg-secondary);
    border-left-color: var(--color-rust);
    font-weight: 600;
}

[data-theme="dark"] .nav-dropdown-item.active {
    color: var(--color-navy-light);
    background: var(--color-bg-tertiary);
    border-left-color: var(--color-rust);
    font-weight: 600;
}

.nav-dropdown-item:first-child {
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
}

.nav-dropdown-item:last-child {
    border-bottom-left-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

/* Theme Toggle */
.theme-toggle {
    padding: 6px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    margin-left: 12px;
    width: 32px;
    height: 32px;
}

.theme-toggle:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-border-hover);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
    background: var(--color-bg-active);
}

.theme-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Lang Switcher */
.lang-switch {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    margin-left: 12px;
}

.lang-btn {
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 600;
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lang-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.lang-btn.active {
    background: var(--color-navy);
    color: var(--color-text-inverse);
}

.lang-btn.active:hover {
    background: var(--color-navy-hover);
}

.nav-cta {
    padding: 10px 20px;
    background: var(--color-navy);
    color: #FFFFFF;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-base);
    margin-left: 12px;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

[data-theme="dark"] .nav-cta {
    background: var(--color-navy-light);
    color: #FFFFFF;
}

.nav-cta:hover {
    background: var(--color-navy-hover);
    color: #FFFFFF;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .nav-cta:hover {
    background: var(--color-navy-hover);
    color: #FFFFFF;
}

.nav-cta:active,
.nav-cta:focus {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
    background: var(--color-navy-active);
    color: #FFFFFF;
    outline: none;
}

[data-theme="dark"] .nav-cta:active,
[data-theme="dark"] .nav-cta:focus {
    background: var(--color-navy-active);
    color: #FFFFFF;
    outline: 2px solid var(--color-navy-light);
    outline-offset: 2px;
}

/* === FOOTER (Standard) === */
.footer {
    background: var(--color-navy-dark);
    color: var(--color-text-inverse);
    padding: 60px 0;
    margin-top: auto;
    transition: background-color var(--transition-slow);
}

[data-theme="dark"] .footer {
    background: var(--color-navy-dark);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    color: var(--color-rust-light);
    transition: color var(--transition-base);
}

[data-theme="dark"] .footer-section h3 {
    color: var(--color-rust);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
    display: inline-block;
}

[data-theme="light"] .footer-section a {
    color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .footer-section a {
    color: var(--color-gray-400);
}

.footer-section a:hover {
    color: var(--color-text-inverse);
    transform: translateX(4px);
}

[data-theme="light"] .footer-section a:hover {
    color: var(--color-white);
}

[data-theme="dark"] .footer-section a:hover {
    color: var(--color-rust-light);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--color-text-tertiary);
    transition: border-color var(--transition-base), color var(--transition-base);
}

[data-theme="light"] .footer-bottom {
    border-top-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .footer-bottom {
    border-top-color: var(--color-border);
    color: var(--color-gray-400);
}

/* === UTILITIES & COMPONENTS === */
.section-header {
    margin-bottom: 48px;
}

.section-label {
    font-size: 12px;
    color: var(--color-rust);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 700px;
    line-height: 1.6;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-rust);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-sm);
}

/* Force texte blanc pour CTA en dark mode (fond sombre) */
[data-theme="dark"] .btn-primary,
[data-theme="dark"] a.btn-primary,
[data-theme="dark"] .btn.btn-primary {
    color: #FFFFFF !important; /* Texte blanc pour CTA sur fond sombre en dark mode */
}

.btn-primary:hover {
    background: var(--color-rust-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
    background: var(--color-rust-active);
}

.btn-secondary {
    background: transparent;
    color: var(--color-navy);
    border: 1px solid var(--color-navy);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-navy-hover);
    color: var(--color-navy-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary:active {
    transform: translateY(0);
    background: var(--color-bg-active);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .btn-secondary {
    border-color: var(--color-navy);
    color: var(--color-navy);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-navy-hover);
    color: var(--color-navy-hover);
}

/* Button variants */
.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

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

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
}

.btn-ghost:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

/* === CARDS === */
.card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

[data-theme="dark"] .card {
    background: var(--color-bg-secondary);
    border-color: var(--color-border);
}

[data-theme="dark"] .card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
}

.card-header {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.card-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.card-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

/* === INPUTS & FORMS === */
.input,
textarea,
select {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
}

.input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(26, 78, 122, 0.1);
}

[data-theme="dark"] .input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.input:hover,
textarea:hover,
select:hover {
    border-color: var(--color-border-hover);
}

.input::placeholder,
textarea::placeholder {
    color: var(--color-text-tertiary);
}

/* === BADGES & TAGS === */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--border-radius-sm);
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.badge-primary {
    background: var(--color-navy);
    color: var(--color-text-inverse);
    border-color: var(--color-navy);
}

.badge-success {
    background: var(--color-success);
    color: var(--color-text-inverse);
    border-color: var(--color-success);
}

.badge-warning {
    background: var(--color-warning);
    color: var(--color-text-inverse);
    border-color: var(--color-warning);
}

/* === UTILITY CLASSES === */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-muted { color: var(--color-text-muted); }

.bg-primary { background: var(--color-bg-primary); }
.bg-secondary { background: var(--color-bg-secondary); }
.bg-tertiary { background: var(--color-bg-tertiary); }

.border { border: 1px solid var(--color-border); }
.border-light { border: 1px solid var(--color-border-light); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* === SPECIFIC COMPONENTS (Cards, etc.) === */
.overview-card,
.service-card,
.domain-card,
.value-card,
.team-card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.overview-card:hover,
.service-card:hover,
.domain-card:hover,
.value-card:hover,
.team-card:hover {
    border-color: var(--color-rust);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

[data-theme="dark"] .overview-card,
[data-theme="dark"] .service-card,
[data-theme="dark"] .domain-card,
[data-theme="dark"] .value-card,
[data-theme="dark"] .team-card {
    background: var(--color-bg-secondary);
    border-color: var(--color-border);
}

[data-theme="dark"] .overview-card:hover,
[data-theme="dark"] .service-card:hover,
[data-theme="dark"] .domain-card:hover,
[data-theme="dark"] .value-card:hover,
[data-theme="dark"] .team-card:hover {
    border-color: var(--color-rust);
    box-shadow: var(--shadow-lg);
    background: var(--color-bg-tertiary);
}

.overview-card-icon,
.service-card-icon {
    height: 36px;
    width: 36px;
    background: linear-gradient(135deg, var(--color-navy), var(--color-rust));
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 16px;
    transition: all var(--transition-base);
}

[data-theme="dark"] .overview-card-icon,
[data-theme="dark"] .service-card-icon {
    background: linear-gradient(135deg, var(--color-navy), var(--color-rust));
}

.hero-visual {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-rust) 100%);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-slow);
}

[data-theme="dark"] .hero-visual {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-rust) 100%);
    box-shadow: var(--shadow-xl);
}

.metric-value {
    color: var(--color-navy);
    transition: color var(--transition-base);
}

[data-theme="dark"] .metric-value {
    color: var(--color-navy);
}

.metric-label {
    color: var(--color-text-tertiary);
    transition: color var(--transition-base);
}

/* === MOBILE === */
@media (max-width: 768px) {
    /* Navigation Mobile */
    .nav {
        height: auto;
        min-height: var(--header-height);
    }
    
    .nav-inner {
        padding: 0 16px;
        flex-wrap: wrap;
    }
    
    .logo {
        font-size: 16px;
        padding: 12px 4px;
    }
    
    .logo svg {
        width: 20px;
        height: 20px;
    }
    
    /* Bouton Hamburger */
    .nav-mobile-toggle {
        display: flex;
        flex-direction: column;
        gap: 4px;
        padding: 8px;
        background: transparent;
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-sm);
        cursor: pointer;
        margin-left: auto;
        order: 2;
    }
    
    .nav-mobile-toggle span {
        width: 20px;
        height: 2px;
        background: var(--color-text-secondary);
        transition: all var(--transition-base);
        border-radius: 2px;
    }
    
    [data-theme="dark"] .nav-mobile-toggle span {
        background: var(--color-text-primary);
    }
    
    .nav-mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .nav-links { 
        display: none; 
        flex-direction: column;
        gap: 12px;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-primary);
        border-top: 1px solid var(--color-border);
        padding: 20px 16px;
        box-shadow: var(--shadow-lg);
        z-index: 999;
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    [data-theme="dark"] .nav-links {
        background: var(--color-bg-secondary);
        border-top: 1px solid var(--color-border);
    }
    
    .nav-link {
        padding: 12px 8px;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-dropdown {
        width: 100%;
    }
    
    .nav-dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: 12px 8px;
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin-top: 0;
        margin-left: 0;
        margin-bottom: 12px;
        box-shadow: none;
        border: none;
        border-left: 3px solid var(--color-rust);
        padding: 0;
        min-width: auto;
        width: 100%;
    }
    
    .nav-dropdown-item {
        padding: 10px 16px;
        margin: 0;
        border-left: none;
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-dropdown-item:last-child {
        border-bottom: none;
    }
    
    .nav-dropdown-item:hover {
        padding-left: 20px;
        border-left: 3px solid var(--color-rust);
    }
    
    .theme-toggle,
    .lang-switch {
        margin-left: 8px;
        margin-right: 8px;
    }
    
    .nav-cta {
        width: 100%;
        text-align: center;
        margin-left: 0;
        margin-top: 12px;
        padding: 12px 20px;
    }
    
    /* Container Mobile */
    .container {
        padding: 0 16px;
    }
    
    /* Footer Mobile */
    .footer {
        padding: 40px 0 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    
    .footer-section {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 24px;
    }
    
    .footer-section:last-child {
        border-bottom: none;
    }
    
    [data-theme="dark"] .footer-section {
        border-bottom-color: var(--color-border);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
        padding-top: 24px;
        font-size: 11px;
    }
    
    /* Sections générales */
    .section-title { 
        font-size: 28px; 
    }
    
    .section-description {
        font-size: 16px;
    }
}