* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

/* Navigation */
header {
    background: #fff;
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.logo span { color: #3498db; }

nav ul { display: flex; list-style: none; }

nav ul li { margin-left: 20px; }

nav a { text-decoration: none; color: #333; font-weight: 500; }

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), 
                url('https://unsplash.com');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content h1 { font-size: 3rem; margin-bottom: 1rem; }

/* Boutons */
.btn-main {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.btn-main:hover { background: #2980b9; }

/* Features */
.features { padding: 4rem 5%; text-align: center; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 2rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* CTA Section */
.cta {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 4rem 5%;
}

footer { text-align: center; padding: 2rem; font-size: 0.9rem; }
/* Style de la notification de vente */
.sale-notification {
    position: fixed;
    bottom: 20px;
    left: -350px; /* Caché au départ */
    background: white;
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 9999;
    transition: all 0.5s ease;
    border-left: 5px solid #3498db;
}

.sale-notification.show {
    left: 20px; /* Apparaît à l'écran */
}

.sale-notification p {
    font-size: 0.9rem;
    margin: 0;
}

.sale-notification strong {
    color: #2c3e50;
    display: block;
}