/* ============================================
   IT COMPANION — CSS Design System
   Vanilla CSS, responsive, thème clair/sombre
   ============================================ */

/* ---- CSS Custom Properties (Thème clair) ---- */
:root {
    /* Couleurs primaires — bleu IT Companion */
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    --color-primary-bg: #eff6ff;

    /* Couleurs sémantiques */
    --color-success: #059669;
    --color-error: #dc2626;
    --color-warning: #d97706;

    /* Texte — gris ardoise */
    --color-text: #1e293b;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;

    /* Fonds — gris clair */
    --color-bg: #ffffff;
    --color-bg-alt: #f1f5f9;
    --color-bg-card: #ffffff;
    --color-bg-input: #ffffff;

    /* Bordures — gris */
    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e1;

    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);

    /* Typographie */
    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', monospace;

    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Bordures */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* RGB (pour overlay alpha) */
    --color-bg-rgb: 255, 255, 255;
    --color-footer-overlay: rgba(15, 23, 42, 0.92);

    /* Header */
    --header-height: 72px;

    /* Container */
    --container-max: 1200px;
}

/* ---- Thème sombre ---- */
[data-theme="dark"] {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-primary-bg: #1e293b;

    --color-text: #e2e8f0;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    --color-bg: #0f172a;
    --color-bg-alt: #1e293b;
    --color-bg-card: #1e293b;
    --color-bg-input: #1e293b;

    --color-border: #334155;
    --color-border-hover: #475569;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.5);

    --color-bg-rgb: 15, 23, 42;
    --color-footer-overlay: rgba(15, 23, 42, 0.95);
}

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

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

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

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

ul { list-style: none; }

/* ---- Skip Link ---- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1000;
    border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
    top: 0;
    color: #fff;
}

/* ---- Container ---- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ---- Utilities ---- */
.text-center { text-align: center; }
.mt-2 { margin-top: var(--spacing-xl); }
.required { color: var(--color-error); }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.75rem;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    justify-content: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.btn-full {
    width: 100%;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    background: #25d366;
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    margin-top: var(--spacing-xl);
}
.btn-whatsapp:hover {
    background: #1ebe5d;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    transition: box-shadow var(--transition);
}

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

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    z-index: 101;
}
.logo:hover { color: var(--color-primary); }

.logo-text {
    font-weight: 800;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link {
    padding: 0.5rem 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius);
    transition: all var(--transition);
}
.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-sm);
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--color-border);
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--color-bg-alt);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}
.lang-switch:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: var(--color-bg-alt);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition);
}
.theme-toggle:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Icônes thème */
[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }

/* Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 101;
    padding: 0;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-slow);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* Menu ouvert */
.menu-toggle.active .hamburger {
    background: transparent;
}
.menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}
.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding-top: calc(var(--header-height) + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    background: var(--color-bg);
}

.hero--bg {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero--bg .container {
    display: block;
    max-width: 680px;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration {
    max-width: 100%;
    height: auto;
}

/* ============================================
   RESPONSIVE IMAGES (global)
   ============================================ */
.responsive-img,
.service-card-img__visual img,
.service-detail__image img,
.about-img,
.portfolio-item img {
    display: block;
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

/* ============================================
   SERVICE CARDS AVEC IMAGES (accueil)
   ============================================ */
.services-cards-img {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.service-card-img {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    text-decoration: none;
    color: inherit;
}

.service-card-img:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-card-img__visual {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.service-card-img__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card-img:hover .service-card-img__visual img {
    transform: scale(1.05);
}

.service-card-img__body {
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-card-img__body h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.15rem;
}

.service-card-img__body p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    flex: 1;
}

.service-card-img__link {
    display: inline-block;
    margin-top: var(--spacing-md);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.service-card-img:hover .service-card-img__link {
    color: var(--color-primary-dark);
}

/* Grille 2 colonnes pour les services secondaires */
.services-grid--2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* ============================================
   PAGE HERO (sous-pages)
   ============================================ */
.page-hero {
    padding-top: calc(var(--header-height) + var(--spacing-3xl));
    padding-bottom: var(--spacing-2xl);
    background: var(--color-bg-alt);
    text-align: center;
}

.page-hero h1 {
    margin-bottom: var(--spacing-md);
}

.page-hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-top: var(--spacing-sm);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   SERVICES CARDS (homepage)
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-slow);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    background: var(--color-primary-bg);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.15rem;
}

.service-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   SERVICE DETAIL (page services)
   ============================================ */
.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail--reverse {
    direction: rtl;
}
.service-detail--reverse > * {
    direction: ltr;
}

.service-detail__image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.service-detail__image img {
    width: 100%;
    height: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.service-detail:hover .service-detail__image img {
    transform: scale(1.03);
}

/* Garder l'ancien style icon pour la home (fallback) */
.service-detail__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    border-radius: var(--radius-xl);
    background: var(--color-primary-bg);
    flex-shrink: 0;
}

.service-detail__icon svg {
    width: 64px;
    height: 64px;
}

.service-detail__content h2 {
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.service-detail__content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.service-features {
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    font-size: 0.95rem;
}

.service-features li svg {
    flex-shrink: 0;
}

/* ============================================
   FEATURES / WHY US
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: var(--color-primary-bg);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ============================================
   CTA SECTION
   ============================================ */
.section-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    text-align: center;
}

.section-cta h2 {
    color: #fff;
    margin-bottom: var(--spacing-md);
}

.section-cta p {
    color: rgba(255,255,255,0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
}

.section-cta .btn-primary {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
}
.section-cta .btn-primary:hover {
    background: rgba(255,255,255,0.9);
    color: var(--color-primary-dark);
}

.section-cta .btn-outline {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
}
.section-cta .btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
    color: #fff;
}

/* ============================================
   PORTFOLIO
   ============================================ */
.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-bg-card);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-sans);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.portfolio-count {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xl);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.portfolio-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition);
    cursor: pointer;
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item:hover,
.portfolio-item:focus-visible {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
    outline: none;
}

.portfolio-thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-thumb img {
    transform: scale(1.06);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.portfolio-item:hover .portfolio-overlay,
.portfolio-item:focus-visible .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
}

.portfolio-cat {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

/* Badge couleurs par catégorie */
.portfolio-cat--web      { color: #4f46e5; background: #eef2ff; }
.portfolio-cat--software { color: #0891b2; background: #ecfeff; }
.portfolio-cat--network  { color: #059669; background: #ecfdf5; }
.portfolio-cat--domotics { color: #d97706; background: #fffbeb; }
.portfolio-cat--security { color: #dc2626; background: #fef2f2; }

[data-theme="dark"] .portfolio-cat--web      { color: #818cf8; background: rgba(79,70,229,0.15); }
[data-theme="dark"] .portfolio-cat--software { color: #22d3ee; background: rgba(8,145,178,0.15); }
[data-theme="dark"] .portfolio-cat--network  { color: #34d399; background: rgba(5,150,105,0.15); }
[data-theme="dark"] .portfolio-cat--domotics { color: #fbbf24; background: rgba(217,119,6,0.15); }
[data-theme="dark"] .portfolio-cat--security { color: #f87171; background: rgba(220,38,38,0.15); }

.portfolio-info h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.portfolio-info p {
    color: var(--color-text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: var(--radius-full);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
    transition: background var(--transition);
    z-index: 10;
}

.lightbox__close:hover {
    background: rgba(255,255,255,0.25);
}

.lightbox__content {
    max-width: 900px;
    width: 100%;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-bg-card);
    box-shadow: var(--shadow-xl);
    transform: scale(0.92);
    transition: transform var(--transition-slow);
}

.lightbox.active .lightbox__content {
    transform: scale(1);
}

.lightbox__img {
    width: 100%;
    max-height: 60vh;
    object-fit: cover;
    display: block;
}

.lightbox__caption {
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
}

.lightbox__caption h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.lightbox__caption p {
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ============================================
   ABOUT
   ============================================ */
.about-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-block--reverse {
    direction: rtl;
}
.about-block--reverse > * {
    direction: ltr;
}

.about-content h2 {
    margin-bottom: var(--spacing-lg);
}

.about-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.about-visual--stats {
    align-items: center;
}

.mini-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    width: 100%;
}

.mini-stat {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.mini-stat__number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
}

.mini-stat__label {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Values */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
}

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

.value-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: var(--color-primary-bg);
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* Stats */
.section-stats {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.stat-number.stat-text {
    font-size: 1.5rem;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-xl);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--color-primary-bg);
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-info-item strong {
    display: block;
    margin-bottom: 2px;
    color: var(--color-text);
}

.contact-info-item a,
.contact-info-item span {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.contact-form-wrap h2 {
    margin-bottom: var(--spacing-xl);
}

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg-input);
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Honeypot */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

/* Alerts */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
    line-height: 1.6;
}

.alert-success {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}

[data-theme="dark"] .alert-success {
    background: #064e3b;
    border-color: #065f46;
    color: #a7f3d0;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

[data-theme="dark"] .alert-error {
    background: #450a0a;
    border-color: #991b1b;
    color: #fecaca;
}

.alert-error ul {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    list-style: disc;
}

/* ============================================
   404
   ============================================ */
.section-404 {
    padding-top: calc(var(--header-height) + var(--spacing-3xl));
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.error-404 {
    max-width: 500px;
    margin: 0 auto;
}

.error-404 h1 {
    margin-bottom: var(--spacing-md);
}

.error-404 p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background-color: var(--color-bg-alt);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    color: #e2e8f0;
}

.site-footer a {
    color: #e2e8f0;
}

.site-footer a:hover {
    color: var(--color-primary-light);
}

.site-footer .footer-logo {
    color: #fff;
}

.site-footer .footer-desc {
    color: #94a3b8;
}

.site-footer h4 {
    color: #fff;
}

.site-footer .footer-contact li span,
.site-footer .footer-contact li svg {
    color: #94a3b8;
}

.site-footer .footer-bottom {
    color: #64748b;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--color-text);
}

.footer-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 350px;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: #fff;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: #cbd5e1;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-primary-light);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: #cbd5e1;
    font-size: 0.9rem;
}

.footer-contact li svg {
    flex-shrink: 0;
    color: var(--color-primary-light);
}

.footer-contact a {
    color: #cbd5e1;
}
.footer-contact a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: #64748b;
    font-size: 0.85rem;
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    color: var(--color-text);
    transition: color var(--transition);
    line-height: 1.4;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-item.active .faq-question {
    color: var(--color-primary);
}

.faq-chevron {
    flex-shrink: 0;
    transition: transform var(--transition-slow);
    color: var(--color-text-muted);
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-answer p {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* ============================================
   PROCESS TIMELINE
   ============================================ */
.process-timeline {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.process-step {
    flex: 1;
    min-width: 200px;
    max-width: 260px;
    text-align: center;
    padding: var(--spacing-lg);
    position: relative;
}

.process-step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: #fff;
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.process-step__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: var(--color-primary-bg);
    margin-bottom: var(--spacing-md);
}

.process-step h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.process-connector {
    display: flex;
    align-items: center;
    padding-top: 3.5rem;
}

/* ============================================
   TECHNOLOGIES
   ============================================ */
.techno-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
}

.techno-category {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-slow);
}

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

.techno-category h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.techno-category h3::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 2px;
    flex-shrink: 0;
}

.techno-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.techno-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    background: var(--color-primary-bg);
    color: var(--color-primary-dark);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    font-size: 0.825rem;
    font-weight: 600;
    transition: all var(--transition);
    white-space: nowrap;
}

.techno-tag:hover {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-1px);
}

[data-theme="dark"] .techno-tag {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-primary-light);
}

[data-theme="dark"] .techno-tag:hover {
    background: var(--color-primary);
    color: #fff;
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25d366;
    color: #fff;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
    z-index: 90;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: #1ebe5d;
    color: #fff;
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    animation: none;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablette */
@media (max-width: 1024px) {
    .hero:not(.hero--bg) .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .services-cards-img {
        grid-template-columns: 1fr 1fr;
    }

    .services-grid--2 {
        grid-template-columns: 1fr 1fr;
    }

    .service-detail {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .service-detail--reverse {
        direction: ltr;
    }

    .service-detail__icon {
        margin: 0 auto;
    }

    .service-detail__image {
        max-width: 600px;
        margin: 0 auto;
    }

    .service-features li {
        justify-content: center;
    }

    .about-block {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-block--reverse {
        direction: ltr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline {
        gap: var(--spacing-sm);
    }

    .process-step {
        min-width: 180px;
        padding: var(--spacing-md);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-md);
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        z-index: 100;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.2rem;
        padding: 0.75rem 1.5rem;
    }

    .nav-actions {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-border);
    }

    .hero {
        padding-top: calc(var(--header-height) + var(--spacing-xl));
        padding-bottom: var(--spacing-xl);
    }

    .page-hero {
        padding-top: calc(var(--header-height) + var(--spacing-xl));
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .lightbox__content {
        max-width: 95vw;
    }

    .lightbox__img {
        max-height: 50vh;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero--bg {
        min-height: 60vh;
    }

    .hero--bg .container {
        text-align: center;
    }

    .hero--bg .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .services-cards-img {
        grid-template-columns: 1fr;
    }

    .services-grid--2 {
        grid-template-columns: 1fr;
    }

    .service-detail__image {
        max-width: 100%;
    }

    .mini-stats-grid {
        gap: var(--spacing-sm);
    }

    .mini-stat {
        padding: var(--spacing-md);
    }

    .mini-stat__number {
        font-size: 1.5rem;
    }

    .process-timeline {
        flex-direction: column;
        align-items: center;
    }

    .process-connector {
        padding-top: 0;
        transform: rotate(90deg);
    }

    .process-step {
        max-width: 100%;
    }

    .techno-grid {
        grid-template-columns: 1fr;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-filters {
        gap: var(--spacing-xs);
    }

    .filter-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .lightbox {
        padding: var(--spacing-sm);
    }

    .lightbox__close {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        width: 40px;
        height: 40px;
    }
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Fade-in animation pour les éléments */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Print */
@media print {
    .site-header,
    .site-footer,
    .whatsapp-float,
    .menu-toggle,
    .theme-toggle,
    .lang-switch {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .hero, .page-hero, .section {
        padding: 1rem 0;
    }
}