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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.8;
    color: #e0e0e0;
    background: #0a0a0a;
    padding: 20px;
}

.container {
    width: 100%;
    background: #111;
    padding: 60px 40px;
    border-top: 1px solid #222;
    border-bottom: 1px solid #222;
}

/* Navigation */
nav {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #222;
}

nav a {
    color: #999;
    text-decoration: none;
    margin: 0 15px;
    font-size: 0.9em;
    transition: color 0.3s;
}

nav a:hover {
    color: #fff;
}

/* Titres */
h1 {
    color: #fff;
    font-size: 2.2em;
    margin-bottom: 10px;
    font-weight: 300;
    letter-spacing: -0.5px;
}

h2 {
    color: #fff;
    font-size: 1.5em;
    margin-top: 40px;
    margin-bottom: 15px;
    font-weight: 300;
}

h3 {
    color: #ccc;
    font-size: 1.2em;
    margin-top: 25px;
    margin-bottom: 10px;
    font-weight: 300;
}

/* Texte */
p {
    margin-bottom: 15px;
    color: #b0b0b0;
}

.date {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #222;
}

.subtitle {
    text-align: center;
    color: #888;
    font-size: 1.1em;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #222;
}

/* Listes */
ul, ol {
    margin-left: 30px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
    color: #b0b0b0;
}

/* Liens */
a {
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid #333;
    transition: border-color 0.3s;
}

a:hover {
    border-color: #fff;
}

/* Blocs spéciaux */
.highlight {
    background: #1a1a1a;
    padding: 20px;
    border-left: 2px solid #444;
    margin: 25px 0;
}

.warning {
    background: #1a1212;
    padding: 20px;
    border-left: 2px solid #555;
    margin: 25px 0;
}

.contact,
.contact-card {
    background: #151515;
    padding: 30px;
    margin: 30px 0;
    border: 1px solid #222;
}

.contact h2,
.contact-card h2 {
    margin-top: 0;
}

.contact-card {
    text-align: center;
}

.contact-card a {
    color: #fff;
    font-weight: bold;
    font-size: 1.2em;
    border-bottom: 2px solid #fff;
}

/* Cards FAQ et Features */
.faq-item,
.feature-card {
    background: #151515;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 2px solid #333;
}

.faq-item h3,
.feature-card h3 {
    margin-top: 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature-card {
    text-align: center;
}

.feature-card .icon {
    font-size: 3em;
    margin-bottom: 10px;
    filter: grayscale(100%);
}

/* Page d'accueil */
.hero {
    text-align: center;
    padding: 60px 0;
}

.hero h1 {
    font-size: 3em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2em;
    color: #888;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.link-card {
    background: #151515;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid #222;
    transition: all 0.3s;
}

.link-card:hover {
    background: #1a1a1a;
    border-color: #333;
    transform: translateY(-5px);
}

.link-card h2 {
    margin: 20px 0 15px 0;
    font-size: 1.5em;
}

.link-card p {
    color: #888;
    margin-bottom: 20px;
}

.link-card a {
    color: #fff;
    font-weight: 500;
    border-bottom: 2px solid #fff;
    padding-bottom: 2px;
}

.icon-large {
    font-size: 3em;
    filter: grayscale(100%);
}

/* Footer */
hr {
    margin: 40px 0;
    border: none;
    border-top: 1px solid #222;
}

footer {
    text-align: center;
    color: #666;
    font-size: 0.9em;
}

footer a {
    color: #888;
    border-bottom: 1px solid #333;
}

footer a:hover {
    color: #fff;
    border-color: #fff;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 40px 20px;
    }
    
    h1 {
        font-size: 1.8em;
    }
    
    h2 {
        font-size: 1.3em;
    }
    
    .hero h1 {
        font-size: 2em;
    }
    
    .feature-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    nav a {
        display: block;
        margin: 10px 0;
    }
}