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

body {
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    
    background-image: url('../imgs/backgrounds/dark.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    
    color: #eef9fb;
    overflow: hidden; /* Empêche l'apparition de barres de défilement liées au canvas */
}

/* --- Style du Canvas (Arrière-plan animé) --- */
#waveCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0; /* Au-dessus du background du body, mais... */
    pointer-events: none; /* Empêche le canvas d'intercepter les clics */
}

.presentation-container {
    background: rgba(32, 35, 36, 0.85);
    backdrop-filter: blur(8px);
    padding: 50px 40px;
    border-radius: 32px;
    text-align: center;
    max-width: 500px;
    width: 90%;
    box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.5);
    
    position: relative; 
    z-index: 10; /* ...la carte est au-dessus des vagues */
}

.logo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 24px;
    border: 3px solid #afe3ed;
    transition: transform 0.5s ease-in-out;
}

.logo:hover {
    animation: pulseDropShadow 2s infinite;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #afe3ed;
}

/* --- Style du texte "Soon ..." et de son curseur --- */
.typewriter {
    font-size: 1.2rem;
    line-height: 1.5;
    color: #c3c7c8;
    display: inline-flex;
    align-items: center;
    letter-spacing: 2px;
}

.cursor {
    display: inline-block;
    width: 10px;
    height: 1.2rem;
    background-color: #afe3ed;
    margin-left: 6px;
    animation: blink 1s step-end infinite;
}

/* --- Animations --- */
@keyframes pulseDropShadow {
    0% { filter: drop-shadow(0 0 0 rgba(175, 227, 237, 0)); }
    50% { filter: drop-shadow(0 0 15px #afe3ed); }
    100% { filter: drop-shadow(0 0 0 rgba(175, 227, 237, 0)); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}