/* --- 1. CONFIGURATION GLOBALE & VARIABLES --- */
:root {
    --bg-color: #0a0a0a; /* Fond noir profond */
    --text-color: #F0F0F0; /* Texte blanc cassé (plus doux) */
    --accent-color: #00FFFF; /* Bleu Électrique / Cyan */
    --card-bg: #1A1A1A; /* Fond pour les cartes (légèrement plus clair) */
    --border-color: #2a2a2a; /* Bordures subtiles */
    
    --font-main: 'Inter', sans-serif;
    --font-code: 'Roboto Mono', monospace;
}

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

html {
    scroll-behavior: smooth; /* Active le défilement fluide */
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: var(--font-main);
    font-weight: 700;
    color: #FFFFFF;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Style pour les commentaires de code (ex: // Projets) */
.code-comment {
    color: var(--accent-color);
    font-family: var(--font-code);
    opacity: 0.7;
    margin-right: 10px;
}

section {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 0 auto; /* Centre le contenu */
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #FFFFFF;
}

/* --- 2. FOND ANIMÉ (CANVAS) --- */
#matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1; /* Place le canvas derrière tout le contenu */
    opacity: 0.15; /* Très subtil */
}

/* --- 3. HEADER & NAVIGATION --- */
header {
    position: sticky; /* Barre de nav qui reste en haut */
    top: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.85); /* Fond noir semi-transparent */
    backdrop-filter: blur(10px); /* Effet de flou moderne */
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 5%;
}

nav .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #FFFFFF;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    font-family: var(--font-code);
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    color: #FFFFFF;
    text-shadow: 0 0 5px var(--accent-color);
}

/* --- 4. SECTION ACCUEIL (HERO) --- */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 0.5rem;
}

.hero .subtitle {
    font-size: 1.75rem;
    font-family: var(--font-code);
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.hero .pitch {
    font-size: 1.1rem;
    max-width: 600px;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Boutons d'action (Call to Action) */
.cta-buttons {
    display: flex;
    gap: 1rem;
}

.cta-primary, .cta-secondary {
    padding: 12px 24px;
    font-family: var(--font-code);
    font-size: 1rem;
    text-transform: uppercase;
    border: 2px solid var(--accent-color);
    transition: all 0.3s ease;
}

.cta-primary {
    background-color: var(--accent-color);
    color: #000;
}
.cta-primary:hover {
    background-color: transparent;
    color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.cta-secondary {
    background-color: transparent;
    color: var(--accent-color);
}
.cta-secondary:hover {
    background-color: var(--accent-color);
    color: #000;
    box-shadow: 0 0 10px var(--accent-color);
}

/* --- 5. SECTION À PROPOS --- */
.about-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem;
}

.about-text {
    flex-basis: 65%;
}

.savoir-etre {
    flex-basis: 30%;
    background-color: var(--card-bg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.savoir-etre h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.savoir-etre ul {
    list-style: none;
}

.savoir-etre ul li {
    margin-bottom: 0.5rem;
    font-family: var(--font-code);
}

/* --- 6. SECTION COMPÉTENCES --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    background-color: var(--card-bg);
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.skill-category h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.skill-category p {
    font-family: var(--font-code);
    line-height: 1.8;
}

/* --- 7. SECTION PARCOURS (TIMELINE) --- */
.timeline-container {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
}

.timeline {
    width: 50%;
    position: relative;
    /* Ligne verticale de la timeline */
    border-left: 2px solid var(--border-color);
    padding-left: 2rem;
}

.timeline h3 {
    margin-bottom: 2rem;
    font-size: 1.75rem;
}

.timeline-item {
    position: relative;
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

/* Cercle sur la ligne de la timeline */
.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.7rem; /* (padding-left 2rem) + (moitié du cercle 0.7rem) */
    top: 1.5rem;
    width: 20px;
    height: 20px;
    background-color: var(--bg-color);
    border: 4px solid var(--accent-color);
    border-radius: 50%;
    z-index: 1;
}

.timeline-item h4 {
    font-size: 1.25rem;
    color: #FFFFFF;
}

.timeline-item span {
    font-family: var(--font-code);
    color: var(--accent-color);
    font-size: 0.9rem;
    display: block;
    margin: 5px 0 10px 0;
}

/* --- 8. SECTION PROJETS --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 255, 255, 0.1);
    border-color: var(--accent-color);
}

.project-card h3 {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-card p {
    flex-grow: 1; /* Pousse le lien en bas */
    margin-bottom: 1.5rem;
}

.project-link {
    font-family: var(--font-code);
    text-transform: uppercase;
    font-weight: 700;
}

/* --- 9. SECTION CONTACT --- */
.contact-container {
    display: flex;
    gap: 3rem;
    background: var(--card-bg);
    padding: 3rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

#contact-form {
    flex-basis: 60%;
}

.contact-info {
    flex-basis: 40%;
}

.contact-info p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}
.contact-info p a {
    word-break: break-all;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-family: var(--font-code);
    margin-bottom: 5px;
    color: var(--accent-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: #0a0a0a;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    font-family: var(--font-main);
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

/* --- 10. FOOTER --- */
footer {
    text-align: center;
    padding: 2rem 5%;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-family: var(--font-code);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* --- 11. MODALE (POP-UP) PROJET --- */
.modal {
    display: none; /* Cachée par défaut */
    position: fixed;
    z-index: 200;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 10% auto;
    padding: 2rem;
    border: 1px solid var(--accent-color);
    width: 80%;
    max-width: 600px;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 0 20px var(--accent-color);
}

.modal-close {
    color: var(--accent-color);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
}
.modal-close:hover {
    color: #FFFFFF;
}

/* --- 12. CHATBOT IA --- */
#chatbot-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    cursor: pointer;
    z-index: 150;
    box-shadow: 0 0 15px var(--accent-color);
    transition: all 0.3s ease;
}
#chatbot-toggle:hover {
    transform: scale(1.1);
}

#chatbot-window {
    display: none; /* Caché par défaut */
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    width: 350px;
    height: 450px;
    background-color: var(--bg-color);
    border: 1px solid var(--accent-color);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    z-index: 140;
    display: flex;
    flex-direction: column;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--accent-color);
}
.chat-header h4 {
    font-family: var(--font-code);
    color: var(--accent-color);
}
#chat-close {
    font-size: 1.5rem;
    cursor: pointer;
}

.chat-body {
    flex-grow: 1;
    padding: 1rem;
    overflow-y: auto;
}

.chat-message {
    margin-bottom: 1rem;
}
.chat-message p {
    padding: 10px 15px;
    border-radius: 15px;
    font-size: 0.9rem;
    max-width: 80%;
}
.chat-message.bot p {
    background-color: var(--card-bg);
    border-bottom-left-radius: 0;
}
.chat-message.user p {
    background-color: var(--accent-color);
    color: #000;
    border-bottom-right-radius: 0;
    margin-left: auto; /* Aligne à droite */
}

.chat-footer {
    display: flex;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}
#chat-input {
    flex-grow: 1;
    padding: 10px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 5px;
    margin-right: 10px;
}
#chat-input:focus {
    outline: none;
    border-color: var(--accent-color);
}
#chat-submit {
    padding: 10px 15px;
    background-color: var(--accent-color);
    border: none;
    color: #000;
    border-radius: 5px;
    cursor: pointer;
    font-family: var(--font-code);
}

/* --- 13. RESPONSIVE (Mobile) --- */
@media (max-width: 768px) {
    h2 {
        font-size: 2rem;
    }
    
    nav ul {
        display: none; /* Simplification pour mobile (on pourrait ajouter un menu burger) */
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    .hero .subtitle {
        font-size: 1.2rem;
    }

    .about-content, .contact-container, .timeline-container {
        flex-direction: column;
    }

    .timeline {
        width: 100%;
        padding-left: 1.5rem;
    }
    .timeline-item::before {
        left: -2.3rem;
    }

    #chatbot-window {
        width: 90%;
        height: 60%;
        bottom: 5rem;
        right: 5%;
    }
}