/* --- ESTHÉTIQUE PROTOKIN (BRUTALISME & PRÉCISION) --- */
:root {
    --bg-color: #f8fafc;       /* Papier */
    --text-main: #1e293b;      /* Encre */
    --accent-energy: #d97706;  /* Ambre (Tension) */
    --accent-structure: #0f766e; /* Sarcelle (Structure) */
    --border-color: #cbd5e1;
    --font-serif: 'Lora', serif;
    --font-sans: 'Inter', sans-serif;
}

/* Base */
body {
    margin: 0; padding: 0;
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    display: flex;
    min-height: 100vh;
}

/* Navigation Latérale */
aside {
    width: 260px;
    background: white;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 20px;
    position: fixed; /* Fixe à gauche */
    height: 100vh;
    overflow-y: auto;
    z-index: 50;
    transition: transform 0.3s ease;
}

#logo {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 24px;
    letter-spacing: -1px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--text-main);
}

.nav-group { margin-bottom: 20px; }
.nav-title { font-size: 10px; text-transform: uppercase; color: #94a3b8; font-weight: bold; margin-bottom: 10px; }

nav a {
    display: block;
    padding: 10px;
    color: var(--text-main);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 14px;
}
nav a:hover { background-color: #f1f5f9; }
nav a.active { background-color: var(--text-main); color: white; font-weight: bold; }

/* Contenu Principal */
main {
    margin-left: 260px; /* Espace pour la sidebar */
    flex-grow: 1;
    padding: 60px;
    max-width: 900px;
}

/* Typographie Contenu */
h1 { font-family: var(--font-serif); font-size: 48px; line-height: 1; margin-bottom: 20px; color: var(--text-main); }
h2 { font-size: 28px; margin-top: 40px; border-left: 4px solid var(--accent-energy); padding-left: 15px; }
p { line-height: 1.7; font-size: 16px; color: #334155; margin-bottom: 20px; }
.chapeau { font-size: 20px; font-style: italic; color: #64748b; margin-bottom: 40px; border-bottom: 1px solid var(--border-color); padding-bottom: 20px; }

/* Mobile */
@media (max-width: 768px) {
    aside { transform: translateX(-100%); }
    aside.open { transform: translateX(0); }
    main { margin-left: 0; padding: 20px; padding-top: 80px; }
    
    /* Bouton Burger Mobile */
    #burger { display: block; position: fixed; top: 15px; left: 15px; z-index: 100; background: white; border: 1px solid #ccc; padding: 10px; cursor: pointer; }
}
@media (min-width: 769px) { #burger { display: none; } }

/* --- LE PIED DE PAGE (FOOTER) --- */
.site-footer {
    margin-top: 80px; /* Espace avec le contenu */
    padding-top: 40px;
    padding-bottom: 40px;
    border-top: 2px solid var(--border-color);
    color: #64748b; /* Gris texte */
    font-size: 13px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.footer-block strong {
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent-energy); /* Changement de couleur au survol */
    text-decoration: underline;
}

.footer-quote {
    font-family: var(--font-serif);
    font-style: italic;
    text-align: right;
    opacity: 0.7;
    border-left: 3px solid var(--accent-structure);
    padding-left: 15px;
}

/* Ajustement Mobile pour le footer */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-quote {
        text-align: center;
        border-left: none;
        border-top: 3px solid var(--accent-structure);
        padding-top: 15px;
        padding-left: 0;
    }
}