:root {
    --bg-color: #fdfbf7;        /* Crème très doux et lumineux */
    --text-color: #2c3e50;      /* Bleu-gris foncé, très lisible */
    --primary-color: #c87a53;   /* Terracotta chaleureux et gai */
    --accent-color: #f5eae1;    /* Sable clair pour les encadrés */
    --max-width: 750px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    
    /* Génération d'un fond abstrait sobre (Formes organiques terracotta/sable en arrière-plan) */
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 90% 15%, rgba(245, 234, 225, 0.7) 0%, rgba(245, 234, 225, 0) 40%),
        radial-gradient(circle at -10% 65%, rgba(200, 122, 83, 0.05) 0%, rgba(200, 122, 83, 0) 50%),
        radial-gradient(circle at 105% 85%, rgba(245, 234, 225, 0.8) 0%, rgba(245, 234, 225, 0) 35%);
    background-attachment: fixed;
}

header {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 2px solid var(--accent-color);
    padding: 22px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(4px); /* Effet moderne de transparence floutée */
}

nav {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 0 20px;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    padding: 6px 12px;
    transition: color 0.2s ease;
}

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

main {
    max-width: var(--max-width);
    margin: 60px auto;
    padding: 40px;
    background-color: rgba(255, 255, 255, 0.85); /* Fond du texte blanc semi-transparent */
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(200, 122, 83, 0.03);
    border: 1px solid rgba(245, 234, 225, 0.5);
}

h1 {
    font-size: 2.4rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 700;
}

h2 {
    font-size: 1.6rem;
    color: #34495e;
    margin-top: 45px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 6px;
    display: inline-block;
}

ul {
    padding-left: 20px;
    list-style-type: none;
}

li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 25px;
}

li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.4rem;
    position: absolute;
    left: 0;
    top: -2px;
}

.btn-rdv {
    display: inline-block;
    background-color: var(--primary-color);
    color: white !important;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 6px;
    font-weight: bold;
    margin: 25px 0;
    text-align: center;
    box-shadow: 0 4px 12px rgba(200, 122, 83, 0.2);
    transition: transform 0.2s, background-color 0.2s;
}

.btn-rdv:hover {
    background-color: #b36742;
    transform: translateY(-1px);
}

.box-info {
    background-color: var(--accent-color);
    padding: 30px;
    border-radius: 8px;
    margin: 35px 0;
    border-left: 5px solid var(--primary-color);
}

form {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    border: 1px solid var(--accent-color);
}

form input, form textarea {
    padding: 12px;
    margin-bottom: 18px;
    border: 1px solid #dce4ec;
    border-radius: 4px;
    font-family: inherit;
}

form input:focus, form textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

footer {
    text-align: center;
    padding: 50px 0;
    font-size: 0.9rem;
    color: #95a5a6;
    background-color: rgba(255, 255, 255, 0.9);
    margin-top: 80px;
    border-top: 1px solid var(--accent-color);