/* ==========================================================================
   BLOB TIC ACADEMY - SYSTEM DE DESIGN CSS (STYLE VITRINE PREMIUM)
   ========================================================================== */

/* --- Importation des Polices --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Déclaration des Variables (Design Tokens) --- */
:root {
    /* Couleurs de base */
    --color-bg-dark: #070a13;
    --color-bg-card: rgba(15, 23, 42, 0.45);
    --color-bg-card-hover: rgba(30, 41, 59, 0.7);
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    /* Variables Sémantiques Adaptatives (Thème Sombre par Défaut) */
    --color-header-bg: rgba(7, 10, 19, 0.8);
    --color-stats-bg: rgba(7, 10, 19, 0.6);
    --color-modal-bg: #0f172a;
    --color-toast-bg: #0f172a;
    --color-footer-bg: #04060b;
    --color-drawer-bg: #090e1a;
    --color-drawer-footer-bg: rgba(4, 6, 11, 0.4);
    --color-input-bg: rgba(255, 255, 255, 0.03);
    --color-input-focus-bg: rgba(255, 255, 255, 0.06);
    
    --color-btn-sec-bg: rgba(255, 255, 255, 0.05);
    --color-btn-sec-bg-hover: rgba(255, 255, 255, 0.1);
    --color-btn-sec-border: 1px solid rgba(255, 255, 255, 0.07);
    --color-btn-sec-border-hover: 1px solid rgba(255, 255, 255, 0.15);
    
    /* Couleurs de marque (Charte Graphique BLOB TIC Officielle) */
    --color-primary: #273480;          /* Bleu royal officiel (273480) */
    --color-primary-light: #5c77ff;    /* Bleu éclatant d'accompagnement */
    --color-secondary: #009fe3;        /* Cyan officiel (009fe3) */
    --color-accent: #10b981;           /* Vert Émeraude (Action/Validation) */
    --color-accent-orange: #f59e0b;    /* Orange / Ambre */
    
    /* Lueurs et Dégradés */
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    --gradient-text: linear-gradient(135deg, #ffffff 30%, var(--color-secondary) 100%);
    --gradient-glow: radial-gradient(circle, rgba(39, 52, 128, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    
    /* Typographies */
    --font-heading: 'Montserrat', 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions & Effets */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Structure & Arrondis */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(39, 52, 128, 0.35);
    --shadow-glow-secondary: 0 0 25px rgba(0, 159, 227, 0.35);
    
    --border-glass: 1px solid rgba(255, 255, 255, 0.07);
    --border-glass-hover: 1px solid rgba(255, 255, 255, 0.15);

    /* Lueurs adaptatives et arrière-plans de sections */
    --color-glow-1: rgba(39, 52, 128, 0.35);
    --color-glow-2: rgba(0, 159, 227, 0.3);
    --color-glow-3: rgba(16, 185, 129, 0.15);
    --color-section-bg: rgba(255, 255, 255, 0.005);
    --color-section-bg-alt: rgba(255, 255, 255, 0.01);

    /* Interactive Logo Variables - Dark Theme */
    --color-logo-blob: #ffffff;
    --color-logo-text-primary: #ffffff;
    --color-logo-text-secondary: #ffffff;
}

/* --- Déclaration du Thème Clair (Light Theme Overrides) --- */
[data-theme="light"] {
    --color-bg-dark: #f8fafc;           /* Blanc-bleu doux (slate-50) */
    --color-bg-card: rgba(255, 255, 255, 0.65); /* Verre blanc translucide */
    --color-bg-card-hover: rgba(255, 255, 255, 0.9);
    --color-text-primary: #0f172a;      /* Ardoise sombre (slate-900) */
    --color-text-secondary: #475569;    /* Ardoise moyenne (slate-600) */
    --color-text-muted: #64748b;        /* Ardoise claire (slate-500) */
    
    --border-glass: 1px solid rgba(15, 23, 42, 0.08);
    --border-glass-hover: 1px solid rgba(15, 23, 42, 0.15);
    
    --gradient-text: linear-gradient(135deg, var(--color-primary) 30%, var(--color-secondary) 100%);
    --gradient-glow: radial-gradient(circle, rgba(39, 52, 128, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    
    --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    
    /* Variables Sémantiques Adaptatives */
    --color-header-bg: rgba(248, 250, 252, 0.85);
    --color-stats-bg: rgba(241, 245, 249, 0.8);
    --color-modal-bg: #ffffff;
    --color-toast-bg: #ffffff;
    --color-footer-bg: #0f172a;        /* keep footer dark slate for premium contrast */
    --color-drawer-bg: #ffffff;
    --color-drawer-footer-bg: rgba(241, 245, 249, 0.7);
    --color-input-bg: rgba(15, 23, 42, 0.03);
    --color-input-focus-bg: rgba(15, 23, 42, 0.05);
    
    --color-btn-sec-bg: rgba(15, 23, 42, 0.04);
    --color-btn-sec-bg-hover: rgba(15, 23, 42, 0.08);
    --color-btn-sec-border: 1px solid rgba(15, 23, 42, 0.08);
    --color-btn-sec-border-hover: 1px solid rgba(15, 23, 42, 0.15);

    /* Lueurs adaptatives et arrière-plans de sections */
    --color-glow-1: rgba(39, 52, 128, 0.08);
    --color-glow-2: rgba(0, 159, 227, 0.06);
    --color-glow-3: rgba(16, 185, 129, 0.04);
    --color-section-bg: rgba(15, 23, 42, 0.008);
    --color-section-bg-alt: rgba(15, 23, 42, 0.015);

    /* Interactive Logo Variables - Light Theme */
    --color-logo-blob: #004f9f;
    --color-logo-text-primary: #1d1e1c;
    --color-logo-text-secondary: #004f9f;
}


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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* --- Éléments Décoratifs de Fond (Glows) --- */
.bg-glow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: -1;
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.45;
}

.bg-glow-1 {
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-glow-1) 0%, transparent 70%);
    animation: drift 25s ease-in-out infinite;
}

.bg-glow-2 {
    top: 30%;
    left: -15%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--color-glow-2) 0%, transparent 70%);
    animation: drift-reverse 30s ease-in-out infinite;
}

.bg-glow-3 {
    bottom: 10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-glow-3) 0%, transparent 70%);
    animation: drift 20s ease-in-out infinite;
}

/* Animations de Dérive Fond Flou */
@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(60px, -40px) scale(1.15); }
    100% { transform: translate(0, 0) scale(1); }
}

@keyframes drift-reverse {
    0% { transform: translate(0, 0) scale(1.1); }
    50% { transform: translate(-80px, 60px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1.1); }
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    margin-top: 12px;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    color: var(--color-text-secondary);
}

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

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

/* --- Boutons Premium --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: var(--color-btn-sec-bg);
    color: var(--color-text-primary);
    border: var(--color-btn-sec-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--color-btn-sec-bg-hover);
    border: var(--color-btn-sec-border-hover);
    transform: translateY(-3px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent-orange), #f59e0b);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-secondary);
}

/* --- Header & Navigation (Glassmorphic Float) --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-normal);
    padding: 1.5rem 0;
}

header.scrolled {
    padding: 0.85rem 0;
    background: var(--color-header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: var(--border-glass);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.navbar-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-wrapper {
    position: relative;
    height: 42px;
    aspect-ratio: 1417.32 / 623.62;
    display: inline-block;
    cursor: pointer;
    overflow: visible;
}

#logo-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    filter: url(#blobtic-logo-metaball-filter);
    transform: translateZ(0);
}

.logo-text-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: visiblePainted; /* Enable pointer interactions only on paths */
}

.logo-text-primary {
    fill: var(--color-logo-text-primary);
    transition: fill var(--transition-normal);
}

.logo-text-secondary {
    fill: var(--color-logo-text-secondary);
    transition: fill var(--transition-normal);
}

/* --- Premium Animating Brand Characters --- */
.logo-char {
    transform-origin: center;
    transform-box: fill-box; /* Crucial for SVG groups to scale/rotate relative to their own center */
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), fill 0.3s ease;
    will-change: transform;
}

/* Animating sequentially in a looping wave when idle */
.logo-wrapper:not(:hover) .logo-char {
    animation: charJump 5s infinite cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* When javascript is active, we disable the default infinite animation and let JS trigger it */
.logo-wrapper.js-animated .logo-char {
    animation: none !important;
}

/* Single quick character jump triggered by JS landing */
.logo-char.jump {
    animation: charSingleJump 0.85s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
}

/* Hovering over the logo wrapper pauses automatic loop to let individual hover effects shine */
.logo-wrapper:hover .logo-char {
    animation: none !important;
}

/* Individual letter hover effects: pop up playfully */
.logo-char:hover {
    transform: translateY(-80px) scale(1.05) skewX(-2deg); /* Scaled for SVG coordinate space */
    cursor: pointer;
}

.logo-char:hover path {
    fill: var(--color-secondary) !important;
    filter: drop-shadow(0 0 6px rgba(0, 159, 227, 0.5));
}

/* Staggered delays for the B-L-O-B-T-I-C sequence */
.char-b1 { animation-delay: 0.0s; }
.char-l  { animation-delay: 0.2s; }
.char-o  { animation-delay: 0.4s; }
.char-b2 { animation-delay: 0.6s; }
.char-t  { animation-delay: 0.8s; }
.char-i  { animation-delay: 1.0s; }
.char-c  { animation-delay: 1.2s; }

/* Jump Keyframes with high-end squashing and bouncing */
@keyframes charJump {
    0%, 35%, 100% {
        transform: translateY(0) scale(1) skewX(0);
    }
    12% {
        transform: translateY(-110px) scale(1.02) skewX(-3deg); /* Increased jump height for coordinate space */
    }
    22% {
        transform: translateY(12px) scale(0.97) skewX(1deg); /* Elastic squash */
    }
    28% {
        transform: translateY(0) scale(1) skewX(0);
    }
}

@keyframes charSingleJump {
    0% {
        transform: translateY(0) scale(1) skewX(0);
    }
    30% {
        transform: translateY(-110px) scale(1.02) skewX(-3deg);
    }
    55% {
        transform: translateY(12px) scale(0.95) skewX(1deg); /* Squash on landing */
    }
    75% {
        transform: translateY(-6px) scale(1.01);
    }
    100% {
        transform: translateY(0) scale(1) skewX(0);
    }
}

/* --- Interactive SVG Blob & Network Styles --- */
#logo-net-mesh-group, #logo-net-nodes-group {
    transition: opacity 0.4s ease;
}

#logo-net-mesh-group line {
    stroke: var(--color-secondary);
    stroke-width: 1.2px;
}

#logo-net-nodes-group circle.node-glow {
    stroke: var(--color-secondary);
    stroke-opacity: 0.35;
    fill: none;
}

#logo-net-nodes-group circle.node-core {
    fill: var(--color-secondary);
}

#logo-net-nodes-group circle.node-dot {
    fill: #ffffff;
}

#logo-net-nodes-group circle.logo-pulse-particle {
    fill: var(--color-accent);
}

#logo-mouse-attraction-line {
    transition: opacity 0.3s ease;
}

/* Glow/Color-change effect for letters during their jump */
.logo-wrapper:not(:hover) .char-b1 path { animation: charGlow 5s infinite; animation-delay: 0.0s; }
.logo-wrapper:not(:hover) .char-l path  { animation: charGlow 5s infinite; animation-delay: 0.2s; }
.logo-wrapper:not(:hover) .char-o path  { animation: charGlow 5s infinite; animation-delay: 0.4s; }
.logo-wrapper:not(:hover) .char-b2 path { animation: charGlow 5s infinite; animation-delay: 0.6s; }
.logo-wrapper:not(:hover) .char-t path  { animation: charGlow 5s infinite; animation-delay: 0.8s; }
.logo-wrapper:not(:hover) .char-i path  { animation: charGlow 5s infinite; animation-delay: 1.0s; }
.logo-wrapper:not(:hover) .char-c path  { animation: charGlow 5s infinite; animation-delay: 1.2s; }

@keyframes charGlow {
    0%, 35%, 100% {
        /* Rest state uses natural theme variables */
    }
    12%, 22% {
        fill: var(--color-secondary);
    }
}

/* --- Blob path styling with high-performance animations --- */
.logo-blob-path {
    transform-origin: 215px 235px; /* Centered around the original blob coordinate space */
    transition: fill var(--transition-normal);
    will-change: filter, transform;
}

.brand-logo span {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: 0.05em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 6px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links li.active a {
    color: var(--color-text-primary);
}

.nav-links li.active a::after {
    width: 100%;
}

/* Bouton Sélecteur de Thème (Light/Dark) */
.theme-toggle {
    background: var(--color-btn-sec-bg);
    border: var(--color-btn-sec-border);
    color: var(--color-text-primary);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    padding: 0;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--color-btn-sec-bg-hover);
    border: var(--color-btn-sec-border-hover);
    transform: scale(1.08) translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.theme-toggle svg {
    position: absolute;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Thème sombre par défaut : on montre le soleil (pour passer au clair) */
.theme-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle .moon-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

/* Thème clair : on montre la lune (pour passer au sombre) */
[data-theme="light"] .theme-toggle .sun-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

[data-theme="light"] .theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Burger Menu Mobile */
.burger-menu {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.burger-menu span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

/* --- Global Section Layout --- */
section {
    padding: 100px 0;
    position: relative;
}

#formations {
    background: var(--color-section-bg-alt);
    border-top: var(--border-glass);
    border-bottom: var(--border-glass);
    transition: background var(--transition-normal), border var(--transition-normal);
}

#contact {
    background: var(--color-section-bg);
    border-top: var(--border-glass);
    transition: background var(--transition-normal), border var(--transition-normal);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Hero Section --- */
.hero-section {
    padding-top: 180px;
    padding-bottom: 120px;
    min-height: 95vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.25);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

/* Visuel Hero Interactive */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual-card {
    background: var(--color-bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 30px;
    backdrop-filter: blur(15px);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 2;
    transition: var(--transition-slow);
}

.hero-visual-card:hover {
    transform: translateY(-5px) rotate(1deg);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 15px 40px rgba(6, 182, 212, 0.15);
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    border-bottom: var(--border-glass);
    padding-bottom: 16px;
}

.hero-card-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 1.2rem;
    box-shadow: var(--shadow-glow);
}

.hero-card-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
}

.hero-card-subtitle {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.hero-card-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.hero-card-stat {
    background: var(--color-input-bg);
    border: var(--border-glass);
    padding: 16px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: background var(--transition-normal), border var(--transition-normal);
}

.hero-card-stat-val {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-secondary);
    font-family: var(--font-heading);
}

.hero-card-stat-lbl {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* Floating Elements */
.floating-circle {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: var(--gradient-primary);
    filter: blur(50px);
    opacity: 0.3;
    z-index: 1;
    animation: float 8s ease-in-out infinite alternate;
}

.float-top-left {
    top: -30px;
    left: -30px;
}

.float-bottom-right {
    bottom: -40px;
    right: -30px;
    background: radial-gradient(circle, var(--color-secondary), var(--color-accent));
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-20px) scale(1.1); }
}

/* --- Stats Bar Section --- */
.stats-section {
    padding: 40px 0;
    background: var(--color-stats-bg);
    border-top: var(--border-glass);
    border-bottom: var(--border-glass);
    backdrop-filter: blur(5px);
    transition: background var(--transition-normal), border var(--transition-normal);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-item {
    text-align: center;
    border-right: var(--border-glass);
}

.stat-item:last-child {
    border-right: none;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 8px;
    font-weight: 500;
}

/* --- Section: À Propos & Mission --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.about-text p {
    margin-bottom: 16px;
}

.department-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--color-accent);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

/* Mission List */
.mission-card {
    background: var(--color-bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.mission-card h3 {
    margin-bottom: 20px;
}

.mission-intro {
    font-size: 1.05rem;
    color: var(--color-text-primary);
    margin-bottom: 24px;
    font-weight: 500;
}

.mission-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mission-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.mission-icon {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
    margin-top: 2px;
}

.mission-icon svg {
    width: 12px;
    height: 12px;
    fill: currentColor;
}

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

/* --- Section: Domaines Clés --- */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    margin-bottom: 16px;
}

.domains-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.domain-card {
    background: var(--color-bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-md);
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    cursor: pointer;
}

.domain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(39, 52, 128, 0.08) 0%, rgba(0, 159, 227, 0.08) 100%);
    opacity: 0;
    transition: var(--transition-normal);
}

.domain-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 159, 227, 0.4);
    box-shadow: 0 12px 30px rgba(0, 159, 227, 0.15);
}

.domain-card:hover::before {
    opacity: 1;
}

.domain-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--color-input-bg);
    border: var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-secondary);
    transition: var(--transition-normal);
    position: relative;
    z-index: 2;
}

.domain-card:hover .domain-icon-wrapper {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--shadow-glow-secondary);
    transform: scale(1.05);
}

.domain-icon-wrapper svg {
    width: 28px;
    height: 28px;
}

.domain-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 2;
    line-height: 1.3;
}

.domain-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    position: relative;
    z-index: 2;
    flex-grow: 1;
}

.card-action {
    margin-top: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    opacity: 0.5;
    transform: translateX(0);
    transition: var(--transition-normal);
    position: relative;
    z-index: 2;
}

.domain-card:hover .card-action {
    opacity: 1;
    color: var(--color-text-primary);
    transform: translateX(4px);
}

/* --- Section: Pourquoi Nous Choisir ? --- */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.why-left {
    position: relative;
}

.conviction-box {
    background: var(--color-bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(15px);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 2;
}

.quote-icon {
    position: absolute;
    top: -20px;
    left: 40px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 800;
    box-shadow: var(--shadow-glow);
}

.conviction-title {
    margin-top: 10px;
    margin-bottom: 20px;
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.conviction-text {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--color-text-primary);
    font-style: italic;
}

/* Engagement side */
.why-right {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.engagement-header h2 {
    margin-bottom: 20px;
}

.engagement-header p {
    font-size: 1.1rem;
    line-height: 1.6;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon-box {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-sm);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
}

.feature-icon-box svg {
    width: 20px;
    height: 20px;
}

.feature-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.feature-info p {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
}

/* --- Section: Contact --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
}

.contact-card-form {
    background: var(--color-bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(10px);
    transition: background var(--transition-normal), border var(--transition-normal);
}

.contact-card-form h3 {
    margin-bottom: 12px;
}

.contact-card-form > p {
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group-full {
    grid-column: span 2;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input, .form-textarea {
    background: var(--color-input-bg);
    border: var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-input-focus-bg);
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.15);
}

.form-textarea {
    resize: vertical;
    min-height: 130px;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-box-premium {
    background: var(--color-bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 35px;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    gap: 24px;
    transition: background var(--transition-normal), border var(--transition-normal);
}

.info-box-premium h3 {
    margin-bottom: 10px;
    border-bottom: var(--border-glass);
    padding-bottom: 12px;
}

.contact-item-link {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 10px;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.contact-item-link:hover {
    background: var(--color-input-bg);
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
    font-size: 1.2rem;
}

.contact-item-icon svg {
    width: 20px;
    height: 20px;
}

.contact-item-details {
    display: flex;
    flex-direction: column;
}

.contact-item-lbl {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item-val {
    font-size: 1.05rem;
    font-weight: 500;
    margin-top: 4px;
}

/* Section département & redirection */
.dept-notice-box {
    background: var(--color-input-bg);
    border: var(--border-glass);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: background var(--transition-normal), border var(--transition-normal);
}

.dept-notice-box p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

/* --- Section: Mentions Légales (Overlay Modal) --- */
.legal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 10, 19, 0.9);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.legal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.legal-modal {
    background: var(--color-modal-bg);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 650px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    box-shadow: var(--shadow-md);
    transform: translateY(30px);
    transition: var(--transition-normal);
}

.legal-overlay.active .legal-modal {
    transform: translateY(0);
}

.legal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-input-bg);
    border: var(--border-glass);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.legal-close:hover {
    background: var(--color-input-focus-bg);
    transform: rotate(90deg);
}

.legal-modal h3 {
    margin-bottom: 24px;
    font-size: 1.8rem;
    border-bottom: var(--border-glass);
    padding-bottom: 12px;
}

.legal-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
}

.legal-block h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--color-primary-light);
}

.legal-block p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* --- Toast Notification --- */
.toast-notification {
    position: fixed;
    bottom: 105px;
    right: 30px;
    background: var(--color-toast-bg);
    border-left: 4px solid var(--color-accent);
    border-top: var(--border-glass);
    border-right: var(--border-glass);
    border-bottom: var(--border-glass);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 16px 24px;
    box-shadow: var(--shadow-md);
    z-index: 3000;
    display: flex;
    align-items: center;
    gap: 16px;
    transform: translateY(100px) scale(0.9);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.toast-notification.show {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: all;
}

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-icon svg {
    width: 14px;
    height: 14px;
}

.toast-content h5 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.toast-content p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.toast-notification.error {
    border-left-color: #ef4444;
}

.toast-notification.error .toast-icon {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* --- Footer --- */
footer {
    /* Scope dark-mode variables inside footer to ensure premium contrast in both modes */
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --border-glass: 1px solid rgba(255, 255, 255, 0.07);
    --border-glass-hover: 1px solid rgba(255, 255, 255, 0.15);

    background: var(--color-footer-bg);
    border-top: var(--border-glass);
    color: var(--color-text-primary);
    padding: 80px 0 30px 0;
    position: relative;
    z-index: 10;
    transition: background var(--transition-normal), border var(--transition-normal), color var(--transition-normal);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo img {
    height: 38px;
}

.footer-logo span {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: 0.05em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

.footer-description {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.social-link svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-normal);
}

.social-link:hover {
    color: #ffffff;
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

.social-link:hover svg {
    transform: scale(1.1);
}


.footer-col h4 {
    font-size: 1.05rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
}

.footer-col h4::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.footer-links a:hover {
    color: var(--color-primary-light);
    transform: translateX(4px);
}

.footer-contact-details {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-c-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.footer-c-icon {
    color: var(--color-primary-light);
    margin-top: 3px;
    display: flex;
    align-items: center;
}

.footer-c-icon svg {
    width: 14px;
    height: 14px;
}

.footer-c-text {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

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

/* ==========================================================================
   SECTION : HISTOIRE DU BLOB (POURQUOI BLOB TIC ?)
   ========================================================================== */
.blob-story-section {
    background: var(--color-section-bg);
    border-top: var(--border-glass);
    border-bottom: var(--border-glass);
    padding: 100px 0;
    transition: background var(--transition-normal), border var(--transition-normal);
}

.blob-story-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

/* Visualisation Interactive du Blob */
.blob-visual-panel {
    position: relative;
    width: 100%;
    height: 380px;
    background: var(--color-bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.blob-visual-panel.js-active .organic-blob-shape,
.blob-visual-panel.js-active .blob-network-node,
.blob-visual-panel.js-active .blob-network-connection {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.blob-interactive-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    filter: url(#blobtic-metaball-filter);
    pointer-events: none;
    z-index: 1;
}

.blob-network-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.organic-blob-shape {
    position: absolute;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(39, 52, 128, 0.4) 0%, rgba(0, 159, 227, 0.4) 100%);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: organic-morph 12s ease-in-out infinite alternate;
    filter: blur(8px);
}

.blob-network-node {
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--color-secondary);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--color-secondary);
    z-index: 5;
}

.node-1 { top: 25%; left: 30%; animation: pulse-node 3s infinite 0.5s; }
.node-2 { top: 40%; left: 65%; animation: pulse-node 3s infinite 1s; }
.node-3 { top: 70%; left: 45%; animation: pulse-node 3s infinite 1.5s; }
.node-4 { top: 60%; left: 20%; animation: pulse-node 3s infinite 2s; }
.node-5 { top: 20%; left: 55%; animation: pulse-node 3s infinite 0s; }

.blob-network-connection {
    position: absolute;
    background: rgba(0, 159, 227, 0.25);
    z-index: 2;
    transform-origin: 0 0;
    height: 2px;
}

/* Lignes CSS reliant les nœuds */
.conn-1-5 { top: 25%; left: 30%; width: 105px; transform: rotate(18deg); }
.conn-5-2 { top: 20%; left: 55%; width: 85px; transform: rotate(55deg); }
.conn-2-3 { top: 40%; left: 65%; width: 140px; transform: rotate(120deg); }
.conn-3-4 { top: 70%; left: 45%; width: 110px; transform: rotate(200deg); }
.conn-4-1 { top: 60%; left: 20%; width: 120px; transform: rotate(-50deg); }
.conn-3-1 { top: 70%; left: 45%; width: 130px; transform: rotate(-110deg); }

@keyframes organic-morph {
    0% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; transform: rotate(0deg) scale(1); }
    50% { border-radius: 50% 60% 40% 60% / 40% 60% 50% 60%; transform: scale(1.1); }
    100% { border-radius: 40% 50% 70% 50% / 50% 40% 60% 50%; transform: rotate(360deg) scale(0.95); }
}

@keyframes pulse-node {
    0%, 100% { transform: scale(1); box-shadow: 0 0 10px var(--color-secondary); }
    50% { transform: scale(1.3); box-shadow: 0 0 25px var(--color-secondary), 0 0 35px var(--color-primary-light); }
}

/* Texte de l'histoire */
.blob-story-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.blob-story-content h2 {
    margin-bottom: 10px;
}

.blob-quote-box {
    border-left: 3px solid var(--color-secondary);
    padding-left: 20px;
    margin: 15px 0;
    font-style: italic;
    font-size: 1.05rem;
    color: var(--color-text-primary);
}


/* ==========================================================================
   DRAWER INTERACTIF : SYLLABUS DE FORMATION
   ========================================================================== */
.drawer-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 6, 11, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1999;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.drawer-backdrop.active {
    opacity: 1;
    pointer-events: all;
}

.syllabus-drawer {
    position: fixed;
    top: 0;
    right: -520px;
    width: 500px;
    max-width: 100%;
    height: 100vh;
    background: var(--color-drawer-bg);
    border-left: var(--border-glass);
    z-index: 2000;
    box-shadow: -10px 0 45px rgba(0, 0, 0, 0.7);
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.syllabus-drawer.active {
    right: 0;
}

.drawer-header {
    padding: 30px;
    border-bottom: var(--border-glass);
    position: relative;
}

.drawer-close-btn {
    position: absolute;
    top: 25px;
    right: 30px;
    background: var(--color-input-bg);
    border: var(--border-glass);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.drawer-close-btn:hover {
    background: var(--color-input-focus-bg);
    transform: rotate(90deg);
}

.drawer-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-text-primary);
    max-width: 85%;
    line-height: 1.3;
}

.drawer-meta-badges {
    display: flex;
    gap: 12px;
    margin-top: 15px;
}

.drawer-badge {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.drawer-badge-duration {
    background: rgba(0, 159, 227, 0.15);
    border: 1px solid rgba(0, 159, 227, 0.25);
    color: var(--color-secondary);
}

.drawer-badge-level {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--color-accent);
}

.drawer-body {
    padding: 30px;
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.drawer-section h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.drawer-section h4::after {
    content: '';
    flex-grow: 1;
    height: 1px;
    background: var(--border-glass);
}

/* Timeline des Modules */
.modules-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    padding-left: 20px;
}

.modules-timeline::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 4px;
    width: 2px;
    height: calc(100% - 15px);
    background: var(--color-input-bg);
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 6px;
    left: -20px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-secondary);
    border: 2px solid var(--color-drawer-bg);
    box-shadow: 0 0 8px var(--color-secondary);
}

.timeline-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.timeline-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.skills-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.skill-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--color-text-secondary);
}

.skill-tag svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.drawer-footer {
    padding: 30px;
    border-top: var(--border-glass);
    background: var(--color-drawer-footer-bg);
}

.drawer-footer .btn {
    width: 100%;
}

/* Adaptation drawer sur mobile */
@media (max-width: 580px) {
    .syllabus-drawer {
        width: 100%;
    }
}


/* ==========================================================================
   MEDIA QUERIES (DESIGN COMPLETEMENT RESPONSIVE)
   ========================================================================== */

/* --- Écrans très larges (Desktop XL) --- */
@media (min-width: 1400px) {
    .container {
        max-width: 1300px;
    }
}

/* --- Écrans intermédiaires / Tablettes Horizontales (Laptops) --- */
@media (max-width: 1100px) {
    h1 { font-size: 3rem; }
    .hero-title { font-size: 3.2rem; }
    .hero-grid { gap: 40px; }
    .about-grid { gap: 50px; }
    
    .domains-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

/* --- Tablettes Verticales (max 992px) --- */
@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2.2rem; }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .badge-tag {
        align-self: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-description {
        margin: 0 auto;
    }
    
    .hero-visual {
        order: 2;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .stat-item {
        border-right: none;
    }
    
    .stat-item:nth-child(2n) {
        border-right: none;
    }
}

/* --- Mobiles Large (max 768px) --- */
@media (max-width: 768px) {
    header {
        padding: 1.2rem 0;
    }
    
    .burger-menu {
        display: flex;
    }
    
    /* Menu Navigation Mobile Overlay */
    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-drawer-bg);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        padding: 100px 40px 40px 40px;
        z-index: 1000;
        transition: var(--transition-slow);
        backdrop-filter: blur(20px);
        border-left: var(--border-glass);
    }
    
    nav.active {
        right: 0;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 32px;
        width: 100%;
    }
    
    .nav-links a {
        font-size: 1.15rem;
        display: block;
    }
    
    .domains-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-group-full {
        grid-column: span 1;
    }
    
    .navbar-container .btn {
        display: none; /* Cache le bouton navbar sur mobile pour aérer */
    }
    
    .theme-toggle {
        margin-left: auto;
        margin-right: 20px;
    }
    
    /* Burger animation */
    .burger-menu.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .burger-menu.active span:nth-child(2) {
        opacity: 0;
    }
    
    .burger-menu.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

/* --- Petits Mobiles (max 480px) --- */
@media (max-width: 480px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    
    .hero-title { font-size: 2.4rem; }
    
    .domains-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .about-text {
        font-size: 1rem;
    }
    
    .conviction-box {
        padding: 30px 20px;
    }
    
    .quote-icon {
        left: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
        width: 100%;
    }
    
    .legal-modal {
        padding: 24px;
    }
    
    .legal-modal h3 {
        font-size: 1.4rem;
    }
}

/* ==========================================================================
   WIDGET CHATBOT INTERACTIF PREMIUM
   ========================================================================== */
.chatbot-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1500;
    font-family: var(--font-body);
    
    /* Variables de Thème Scopées Localement - Ultra Pro & Modulaire */
    --chat-window-bg: #0b0f19;
    --chat-messages-bg: #070a14;
    --chat-bot-bubble-bg: #1e293b;
    --chat-bot-bubble-border: 1px solid rgba(255, 255, 255, 0.08);
    --chat-input-area-bg: #0b0f19;
    --chat-input-field-bg: #131929;
    --chat-input-field-border: 1px solid rgba(255, 255, 255, 0.1);
    --chat-input-field-focus-bg: #1a2438;
    --chat-text-primary: #f8fafc;
    --chat-text-secondary: #94a3b8;
    --chat-text-muted: #64748b;
    --chat-header-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Redéfinition du Thème Clair */
[data-theme="light"] .chatbot-container {
    --chat-window-bg: #ffffff;
    --chat-messages-bg: #f8fafc;
    --chat-bot-bubble-bg: #e2e8f0;
    --chat-bot-bubble-border: 1px solid rgba(15, 23, 42, 0.06);
    --chat-input-area-bg: #ffffff;
    --chat-input-field-bg: #f1f5f9;
    --chat-input-field-border: 1px solid #cbd5e1;
    --chat-input-field-focus-bg: #ffffff;
    --chat-text-primary: #0f172a;
    --chat-text-secondary: #475569;
    --chat-text-muted: #64748b;
    --chat-header-shadow: 0 4px 15px rgba(39, 52, 128, 0.05);
}

/* Bouton Déclencheur FAB */
.chat-trigger {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    color: #ffffff;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    position: relative;
}

.chat-trigger::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.4;
    z-index: -1;
    animation: triggerPulse 2s infinite;
}

@keyframes triggerPulse {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(1.4); opacity: 0; }
}

.chat-trigger:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 10px 25px rgba(39, 52, 128, 0.4);
}

.chat-trigger svg {
    width: 26px;
    height: 26px;
    transition: transform var(--transition-normal);
}

.chat-trigger:active {
    transform: scale(0.95);
}

/* Info-bulle d'accueil (Tooltip) */
.chat-tooltip {
    position: absolute;
    right: 75px;
    top: 10px;
    background: var(--chat-window-bg);
    border: var(--chat-bot-bubble-border);
    color: var(--chat-text-primary);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(10px) scale(0.9);
    transition: all var(--transition-normal);
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    z-index: 10;
}

.chat-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: var(--chat-window-bg);
    border-right: var(--chat-bot-bubble-border);
    border-top: var(--chat-bot-bubble-border);
}

.chat-tooltip.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.tooltip-close {
    background: transparent;
    border: none;
    color: var(--chat-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
    padding: 0 2px;
}

.tooltip-close:hover {
    color: var(--chat-text-primary);
}

/* Fenêtre de Chat */
.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 520px;
    background: var(--chat-window-bg);
    border: var(--chat-bot-bubble-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 40px rgba(7, 10, 19, 0.4);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-normal);
}

[data-theme="light"] .chat-window {
    box-shadow: 0 15px 40px rgba(15, 23, 42, 0.1);
}

.chat-window.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0) scale(1);
}

/* Entête du Chat - Gradient Officiel Vibrant */
.chat-header {
    padding: 16px 20px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid rgba(0, 159, 227, 0.35); /* Neon Highlight Line */
    box-shadow: var(--chat-header-shadow);
    z-index: 2;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 3px;
}

.chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

/* Pulse de l'indicateur en ligne */
.online-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 11px;
    height: 11px;
    background-color: var(--color-accent);
    border: 2px solid var(--chat-window-bg);
    border-radius: 50%;
    z-index: 3;
}

.online-indicator::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
    animation: onlinePulse 2s infinite;
    opacity: 0;
}

@keyframes onlinePulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2.2); opacity: 0; }
}

.chat-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.3px;
}

.chat-subtitle {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

.chat-close {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.6rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-fast);
}

.chat-close:hover {
    color: #ffffff;
    transform: scale(1.15);
}

/* Zone des Messages */
.chat-messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--chat-messages-bg);
    transition: background-color var(--transition-normal);
}

/* Barre de défilement stylisée et discrète */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(0, 159, 227, 0.25);
    border-radius: var(--radius-full);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 159, 227, 0.5);
}

.message {
    max-width: 85%;
    display: flex;
    flex-direction: column;
    gap: 4px;
    animation: messageSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes messageSlideIn {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.message-content {
    padding: 11px 15px;
    border-radius: 16px;
    font-size: 0.90rem;
    line-height: 1.45;
    word-break: break-word;
    font-weight: 450;
}

/* Message de l'Assistant (Lisibilité et contraste parfaits) */
.bot-message {
    align-self: flex-start;
}

.bot-message .message-content {
    background: var(--chat-bot-bubble-bg);
    border: var(--chat-bot-bubble-border);
    color: var(--chat-text-primary);
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Message de l'utilisateur (Dynamique et contrasté) */
.user-message {
    align-self: flex-end;
}

.user-message .message-content {
    background: var(--gradient-primary);
    color: #ffffff;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 14px rgba(39, 52, 128, 0.2);
    font-weight: 500;
}

.message-time {
    font-size: 0.7rem;
    color: var(--chat-text-muted);
}

.user-message .message-time {
    align-self: flex-end;
    margin-right: 4px;
}

.bot-message .message-time {
    align-self: flex-start;
    margin-left: 4px;
}

/* Formulaire d'Envoi (Pied du Chat) */
.chat-input-area {
    padding: 14px 18px;
    background: var(--chat-input-area-bg);
    border-top: var(--chat-bot-bubble-border);
    display: flex;
    gap: 10px;
    align-items: center;
    transition: background-color var(--transition-normal);
}

.chat-input-area input {
    flex-grow: 1;
    background: var(--chat-input-field-bg);
    border: var(--chat-input-field-border);
    border-radius: var(--radius-full);
    padding: 10px 16px;
    color: var(--chat-text-primary);
    font-size: 0.90rem;
    outline: none;
    transition: all var(--transition-fast);
}

.chat-input-area input::placeholder {
    color: var(--chat-text-muted);
    opacity: 0.8;
}

.chat-input-area input:focus {
    border-color: var(--color-secondary);
    background: var(--chat-input-field-focus-bg);
    box-shadow: 0 0 12px rgba(0, 159, 227, 0.15);
}

.chat-input-area button {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(39, 52, 128, 0.2);
}

.chat-input-area button:hover {
    transform: scale(1.06);
    box-shadow: var(--shadow-glow-secondary);
}

.chat-input-area button svg {
    width: 17px;
    height: 17px;
}

/* Indicateur de Saisie (Typing Indicator dots) */
.typing-indicator {
    display: flex;
    gap: 5px;
    padding: 4px 8px;
    align-items: center;
    justify-content: center;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--chat-text-secondary);
    border-radius: 50%;
    opacity: 0.4;
    animation: typingPulse 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingPulse {
    0%, 100% { transform: translateY(0); opacity: 0.4; }
    50% { transform: translateY(-4px); opacity: 1; }
}

/* Ajustements Responsives */
@media (max-width: 480px) {
    .chatbot-container {
        bottom: 20px;
        right: 20px;
    }
    
    .chat-tooltip {
        display: none !important; /* Cache l'info-bulle sur mobile */
    }

    .chat-window {
        position: fixed;
        bottom: 0;
        right: 0;
        width: 100vw;
        height: 100vh;
        border-radius: 0;
        border: none;
        z-index: 1600;
    }
}