/* =========================================
   VARIABLES & THÈMES
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* --- TYPOGRAPHIE --- */
    --font-main: 'Poppins', sans-serif;

    /* --- THÈME PAR DÉFAUT (SOMBRE / ROUGE) --- */
    --primary-color: #ff0f2f;       /* Rouge Néon */
    --secondary-color: #d0001f;     /* Rouge Foncé */
    --bg-body: #000000;             
    --bg-card: rgba(20, 20, 20, 0.7); 
    --text-main: #f8f9fa;           
    --text-muted: #b0b3b8;          
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Animation SOMBRE (Plus visible) */
    --bg-gradient: linear-gradient(-45deg, #000000, #2b0005, #5c0011, #000000);
}

/* --- THÈME CLAIR (BLANC / BLEU FONCÉ) --- */
[data-theme="light"] {
    --primary-color: #0056b3;       
    --secondary-color: #004494;     
    --bg-body: #ffffff;             
    --bg-card: rgba(255, 255, 255, 0.85); 
    --text-main: #212529;           
    --text-muted: #6c757d;          
    --border-color: rgba(0, 0, 0, 0.1);

    /* Animation CLAIRE (Plus visible) */
    --bg-gradient: linear-gradient(-45deg, #ffffff, #d6eaff, #b3d7ff, #ffffff);
}

/* =========================================
   CONFIGURATION BODY (ANIMATION)
   ========================================= */
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    color: var(--text-main) !important;
    overflow-x: hidden;
    min-height: 100vh;

    /* APPLICATION DE L'ANIMATION */
    background: var(--bg-gradient) !important; 
    background-size: 400% 400% !important;
    animation: dark-breath 12s ease infinite; 
}

/* La grille "Réseau" qui couvre tout le site */
body::before {
    content: "";
    position: fixed; 
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1; 
}

/* Grille noire pour le mode clair */
[data-theme="light"] body::before {
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px) !important;
}

@keyframes dark-breath {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

::selection { background: var(--primary-color); color: #ffffff; }

/* =========================================
   OVERRIDES BOOTSTRAP 
   ========================================= */
.text-primary { color: var(--primary-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }
.text-danger { color: var(--primary-color) !important; }
.border-danger { border-color: var(--primary-color) !important; }
.text-muted { color: var(--text-muted) !important; }

.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
}
.btn-primary:hover {
    background-color: var(--secondary-color) !important;
    border-color: var(--secondary-color) !important;
}
.btn-outline-primary {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}
.btn-outline-primary:hover {
    background-color: var(--primary-color) !important;
    color: #ffffff !important;
}
.btn-outline-light {
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}
.btn-outline-light:hover {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: #ffffff !important;
}

a { color: var(--primary-color); text-decoration: none; transition: 0.3s; }
a:hover { color: var(--secondary-color); }
p, h1, h2, h3, h4, h5, h6, li, span, div { color: inherit; }

/* =========================================
   NAVIGATION (Navbar)
   ========================================= */
#mainNavbar {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
}
[data-theme="light"] #mainNavbar { background: rgba(255, 255, 255, 0.9); }

.navbar-brand { font-weight: 700; letter-spacing: 1px; color: var(--text-main) !important; }
.navbar-brand:hover { color: var(--primary-color) !important; }

.nav-link { font-weight: 500; margin-left: 1rem; position: relative; color: var(--text-main) !important; }
.nav-link:hover, .nav-link.active { color: var(--primary-color) !important; }
.nav-link::after {
    content: ''; position: absolute; width: 0; height: 2px;
    bottom: -5px; left: 0; background-color: var(--primary-color);
    transition: width 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* =========================================
   CARTES & ÉLÉMENTS
   ========================================= */
.card, .profile-card, .sticky-card {
    background-color: var(--bg-card) !important;
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-color) !important;
    border-radius: 12px;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    color: var(--text-main) !important;
}
.profile-card, .sticky-card { padding: 2rem; text-align: center; }
.sticky-card { position: sticky; top: 100px; }

.profile-img {
    width: 130px; height: 130px; border-radius: 50%;
    object-fit: cover; border: 3px solid var(--primary-color);
    padding: 3px; background-color: var(--bg-body);
}

.card:hover, .profile-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 15, 47, 0.15);
    border-color: var(--primary-color) !important;
}

[data-theme="light"] .card:hover { box-shadow: 0 10px 30px rgba(0, 86, 179, 0.15); }

/* Timeline CV */
.timeline-item {
    border-left: 2px solid var(--border-color);
    padding-left: 1.5rem; padding-bottom: 2rem; position: relative;
}
.timeline-item::before {
    content: ''; position: absolute; left: -6px; top: 5px;
    width: 10px; height: 10px; border-radius: 50%;
    background-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
}

/* Boutons réseaux sociaux */
.social-btn {
    width: 40px; height: 40px; display: inline-flex;
    align-items: center; justify-content: center;
    border-radius: 50%; background: var(--border-color);
    color: var(--text-main);
    transition: all 0.3s ease; border: 1px solid transparent;
}
.social-btn:hover {
    background: var(--primary-color); color: white;
    box-shadow: 0 0 15px rgba(255, 15, 47, 0.4); transform: translateY(-3px);
}
[data-theme="light"] .social-btn:hover { box-shadow: 0 0 15px rgba(0, 86, 179, 0.4); }

/* Utilitaires */
.name-gradient {
    background: linear-gradient(45deg, var(--text-main), var(--primary-color));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero { min-height: 100vh; padding-top: 80px; position: relative; background: transparent; }
.site-footer { background: transparent; border-top: 1px solid var(--border-color); padding: 1.5rem 0; font-size: 0.9rem; }
.reveal { opacity: 1; transform: translateY(0); transition: all 0.8s ease; }
.delay-1 { transition-delay: 0.2s; } .delay-2 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 991px) {
    #mainNavbar { background: var(--bg-card); }
    .navbar-collapse { padding-top: 1rem; }
    .nav-link { margin: 0.5rem 0; }
    .navbar-nav .btn, .navbar-nav button { width: 100%; margin: 0.5rem 0 !important; text-align: center; }
}
    .hero { text-align: center; padding-top: 120px; }
    .hero h1 { font-size: 2.5rem; }
    .profile-card { margin-top: 3rem; }
}