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

body {
    font-family: 'Inter', sans-serif;
    color: #eaeaea;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(ellipse at bottom, #060014 0%, #000010 100%);
    overflow: hidden;
    position: relative;
}

/* ===== FOND MATRIX CYBERPUNK ===== */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: 0;
    opacity: 0.15;
    font-family: monospace;
    color: #6b00ff; /* violet cyberpunk */
    white-space: pre;
    font-size: 14px;
    line-height: 1.4;
    pointer-events: none;
    user-select: none;
    text-shadow: none; /* NET */
}

/* ===== CONTENEUR CENTRAL ===== */
.container {
    background: rgba(20, 20, 40, 0.75);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 200, 255, 0.3);
    border-radius: 16px;
    padding: 50px 40px;
    text-align: center;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 0 30px rgba(0, 140, 255, 0.25);
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.container:hover {
    transform: scale(1.02);
}

h1 {
    font-size: 2em;
    background: linear-gradient(90deg, #00eaff, #8a2be2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
}

p {
    color: #b0b0d0;
    line-height: 1.6;
}

/* ===== MENU ===== */
.menu {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.btn {
    text-decoration: none;
    color: #fff;
    background: linear-gradient(90deg, #00eaff, #8a2be2);
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn:hover {
    background: linear-gradient(90deg, #8a2be2, #00eaff);
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(0, 200, 255, 0.4);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
    .container {
        padding: 30px 20px;
    }

    h1 {
        font-size: 1.6em;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.9em;
    }
}