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

body {
    font-family: 'Rajdhani', sans-serif;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.4) 100%),
                url('img/img-fond.jpg') center center / cover no-repeat fixed;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 20px;
    padding-top: 60px;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 0;
}

body > * {
    position: relative;
    z-index: 1;
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4.5rem;
    font-weight: 900;
    letter-spacing: 10px;
    margin-bottom: 500px;
    text-align: center;
    color: #ffffff;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.9);
    font-style: italic;
    letter-spacing: 2px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
    border-bottom: 3px solid #e10600;
}

.btn {
    font-family: 'Rajdhani', sans-serif;
    display: inline-block;
    width: 420px;
    padding: 22px 40px;
    margin: 12px 0;
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    border: 2px solid transparent;
    border-radius: 15px; 
    transition: all 0.25s ease;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.btn.solo {
    background-color: #e10600;
    color: #ffffff;
    border-color: #e10600;
}

.btn.solo:hover {
    background-color: #ba0600;
    border-color: #ba0600;
    box-shadow: 0 6px 20px rgba(220, 20, 60, 0.4);
}

.btn.ecurie {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
}

.btn.ecurie:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
}

br {
    display: none;
}