:root {
    --neon-pink: #ff00ff;
    --neon-cyan: #00ffff;
    --neon-yellow: #ffff00;
    --bg-dark: #0a0a0a;
    --border-width: clamp(0.25rem, 1vw, 0.5rem);
    --padding-base: clamp(1rem, 3vw, 2rem);
}

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

body {
    font-family: 'Courier New', monospace;
    background: var(--bg-dark);
    color: #fff;
    overflow: hidden;
    height: 100vh;
    /* Empêche le défilement mais garde les safe-areas */
    position: relative;
}

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.container {
    position: relative;
    z-index: 10;
    text-align: center;
    /* Remplace les 6 media queries par une seule règle intelligente */
    width: min(90%, 50rem);
    padding: var(--padding-base);
    /* Centrage vertical */
    margin: 0 auto;
    top: 50%;
    transform: translateY(-50%);
    /* Safe area pour les barres natives (iOS/Android) */
    padding-bottom: calc(var(--padding-base) + env(safe-area-inset-bottom, 0px));
}

.geek-container {
    margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.geek-svg {
    width: clamp(8rem, 25vw, 15rem);
    height: clamp(8rem, 25vw, 15rem);
    filter: drop-shadow(0 0 1.25rem var(--neon-pink)) 
            drop-shadow(0 0 2.5rem var(--neon-cyan));
}

/* Animation flottante */
@media (prefers-reduced-motion: no-preference) {
    .geek-container {
        animation: float 3s ease-in-out infinite;
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-1.25rem); }
}

.title {
    font-size: clamp(1.5rem, 5vw, 3.5rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: clamp(0.1em, 2vw, 0.3em);
    margin-bottom: clamp(1rem, 3vw, 2rem);
    color: #fff;
    text-shadow: 
        0 0 0.625rem var(--neon-pink),
        0 0 1.25rem var(--neon-pink),
        0 0 1.875rem var(--neon-pink),
        0 0 2.5rem var(--neon-pink);
    border: var(--border-width) solid var(--neon-pink);
    padding: clamp(0.75rem, 2vw, 1.5rem);
    background: rgba(255, 0, 255, 0.25);
}

/* Effet glitch uniquement si l'utilisateur n'a pas réduit les animations */
@media (prefers-reduced-motion: no-preference) {
    .title {
        animation: glitch 2s infinite;
    }
}

@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-0.125rem, 0.125rem); }
    40% { transform: translate(-0.125rem, -0.125rem); }
    60% { transform: translate(0.125rem, 0.125rem); }
    80% { transform: translate(0.125rem, -0.125rem); }
}

.message {
    font-size: clamp(0.875rem, 2.5vw, 1.3rem);
    line-height: 1.8;
    margin-bottom: clamp(1rem, 3vw, 1.5rem);
    color: var(--neon-cyan);
    text-shadow: 0 0 0.625rem var(--neon-cyan);
    border-left: var(--border-width) solid var(--neon-cyan);
    border-right: var(--border-width) solid var(--neon-cyan);
    padding: clamp(0.75rem, 2vw, 1.5rem);
    background: rgba(0, 255, 255, 0.15);
}

.tagline {
    font-size: clamp(1.1rem, 3.5vw, 2rem);
    font-weight: 900;
    color: #ffffff;
    text-shadow: 
        0 0 0.625rem #ffffff,
        0 0 1.25rem #ffffff,
        0 0 1.875rem #ffffff;
    margin-top: clamp(1rem, 3vw, 2rem);
    letter-spacing: clamp(0.1em, 2vw, 0.2em);
}

/* Pulse uniquement si pas de préférence de réduction de mouvement */
@media (prefers-reduced-motion: no-preference) {
    .tagline {
        animation: pulse 1.5s ease-in-out infinite;
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Désactive toutes les animations CSS lorsque l'utilisateur le demande */
@media (prefers-reduced-motion: reduce) {
    .geek-container,
    .title,
    .tagline {
        animation: none;
    }
}