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

/* Thème clair par défaut */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #ffffff;
    --text-primary: #333;
    --text-secondary: #666;
    --border-color: #e0e0e0;
    --accent-color: #9a57cc;
    --shadow: rgba(0,0,0,0.1);
}

/* Thème sombre si forcé via ?theme=dark OU si préférence système */
:root[data-theme="dark"],
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --border-color: #404040;
        --accent-color: #b57ee0;
        --shadow: rgba(0,0,0,0.5);
    }
}

/* Force le thème sombre quand data-theme="dark" */
:root[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #404040;
    --accent-color: #b57ee0;
    --shadow: rgba(0,0,0,0.5);
}

body {
    font-family: Georgia, 'Times New Roman', serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    padding: 40px 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px var(--shadow);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

header {
    background: var(--bg-secondary);
    border-bottom: 3px solid var(--accent-color);
    padding: 40px 40px 30px;
    text-align: center;
    transition: background-color 0.3s ease;
}

header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: normal;
    letter-spacing: 1px;
}

header .subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: normal;
}

.content {
    padding: 50px 40px;
}

.content h2 {
    color: var(--text-primary);
    font-size: 1.6rem;
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    font-weight: normal;
    transition: border-color 0.3s ease;
}

.content h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin: 30px 0 15px;
    font-weight: normal;
}

.content h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin: 20px 0 10px;
    font-weight: 500;
}

.content p,
.content li {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.content ul,
.content ol {
    margin-left: 30px;
    margin-bottom: 20px;
}

.content li {
    margin-bottom: 10px;
}

.content a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-bottom 0.2s;
}

.content a:hover {
    border-bottom: 1px solid var(--accent-color);
}

.content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.highlight-box {
    background: var(--bg-primary);
    border-left: 4px solid var(--accent-color);
    padding: 20px;
    margin: 25px 0;
    transition: background-color 0.3s ease;
}

.highlight-box p {
    margin-bottom: 0;
}

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

.intro h2 {
    color: var(--text-primary);
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: normal;
}

.intro p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 30px;
    line-height: 1.8;
}

.legal-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.legal-card {
    background: var(--bg-primary);
    padding: 30px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all 0.3s ease;
}

.legal-card:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-color);
}

.legal-card h3 {
    color: var(--text-primary);
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: normal;
}

.legal-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-section {
    background: var(--bg-primary);
    padding: 40px;
    border-top: 1px solid var(--border-color);
    margin-top: 50px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.contact-section h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 25px;
    text-align: center;
    font-weight: normal;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.contact-item {
    background: var(--bg-secondary);
    padding: 25px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.contact-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: normal;
}

.contact-item a {
    color: var(--accent-color);
    text-decoration: none;
    word-break: break-all;
}

.contact-item a:hover {
    text-decoration: underline;
}

.address {
    margin-top: 30px;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 30px;
    text-align: center;
    color: var(--text-secondary);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.footer-links {
    margin: 20px 0;
}

.footer-links a {
    margin: 0 15px;
}

.back-link {
    display: inline-block;
    margin-bottom: 30px;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 1rem;
    transition: transform 0.2s;
}

.back-link:hover {
    transform: translateX(-5px);
}

@media (max-width: 768px) {
    body {
        padding: 20px 10px;
    }

    .container {
        border: none;
        box-shadow: none;
    }

    header {
        padding: 30px 20px 20px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .content {
        padding: 30px 20px;
    }

    .content h2 {
        font-size: 1.3rem;
    }

    .content h3 {
        font-size: 1.1rem;
    }

    .legal-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .legal-card {
        padding: 20px;
    }

    .contact-section {
        padding: 30px 20px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    footer {
        padding: 20px;
    }

    .footer-links a {
        display: block;
        margin: 10px 0;
    }
}