/* --- Variables Zen --- */
:root {
    --primary: #78909C;      /* Bleu ardoise doux */
    --accent: #A5A58D;       /* Vert sauge / terre */
    --bg-light: #FDFBF9;     /* Blanc cassé / Sable très clair */
    --text-main: #4A4A4A;    /* Gris foncé doux */
    --text-light: #7E7E7E;
    --white: #ffffff;
    --transition: all 0.4s ease;
}

/* --- Base --- */
body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.8; /* Plus d'espace entre les lignes */
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: 'Merriweather', serif;
    font-weight: 300; /* Plus léger pour plus d'élégance */
    letter-spacing: 0.5px;
}

.container {
    max-width: 900px; /* Plus étroit pour une lecture focalisée */
    margin: 0 auto;
    padding: 0 30px;
}

/* --- Header Épuré --- */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px); /* Effet de transparence moderne */
    padding: 25px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo a {
    text-decoration: none;
    color: var(--primary);
    font-family: 'Merriweather', serif;
    font-size: 1.4rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 35px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* --- Hero Section Minimaliste --- */
.hero {
    padding: 120px 0;
    text-align: center;
    background: radial-gradient(circle, #fdfbf9 0%, #f3f4f6 100%);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 40px;
    font-style: italic;
    color: var(--text-light);
}

/* --- Boutons Doux --- */
.btn {
    padding: 12px 30px;
    border-radius: 50px; /* Formes très arrondies */
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary);
    color: white !important;
    box-shadow: 0 4px 15px rgba(120, 144, 156, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(120, 144, 156, 0.3);
}

/* --- Articles de Blog & Contenu --- */
.blog-article {
    background: var(--white);
    padding: 60px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.02);
    margin: 40px auto;
}

.article-header {
    text-align: center;
    margin-bottom: 50px;
}

.category {
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

.featured-image {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 40px;
    filter: sepia(10%); /* Effet légèrement chaud */
}

blockquote {
    font-style: italic;
    font-size: 1.4rem;
    color: var(--primary);
    border-left: 3px solid var(--accent);
    padding-left: 30px;
    margin: 50px 0;
}

/* --- Pied de page --- */
footer {
    padding: 60px 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-light);
    border-top: 1px solid #eee;
}

/* --- Animations Zen --- */

/* On définit l'état de départ : invisible et légèrement décalé vers le bas */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1.2s ease-out, transform 1.2s ease-out;
    will-change: opacity, transform;
}

/* L'état final quand l'élément devient visible */
.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Animation spéciale pour le texte d'accueil (Hero) pour qu'il apparaisse en premier */
.hero-content {
    animation: fadeInHero 2s ease-in-out;
}

@keyframes fadeInHero {
    from { opacity: 0; }
    to { opacity: 1; }
}