:root {
    --core-cyan: #00f2ff;
    --dark-cyan: rgba(0, 242, 255, 0.15);
    --void: #030303;
    --surface: rgba(12, 12, 12, 0.65); /* Transparence pour effet verre fumé */
    --steel: #1e1e1e;
    --text-high: #ffffff;
    --text-low: #666666;
    
    --font-ui: 'Rajdhani', sans-serif;
    --font-data: 'JetBrains Mono', monospace;
    --font-display: 'Orbitron', sans-serif;
    
    /* La courbe mathématique d'animation "Haut de gamme" (Expo Out) */
    --ease-elite: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Scrollbar Custom Industrielle */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb { background: var(--steel); }
::-webkit-scrollbar-thumb:hover { background: var(--core-cyan); }

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

body {
    background-color: var(--void);
    color: var(--text-high);
    font-family: var(--font-ui);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* =========================================
   MOTEUR DE RENDU D'ARRIÈRE-PLAN
========================================= */
.void-engine {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1; pointer-events: none;
}

.kinetic-grid {
    position: absolute; width: 200%; height: 200%; top: -50%; left: -50%;
    background-image: 
        linear-gradient(var(--dark-cyan) 1px, transparent 1px),
        linear-gradient(90deg, var(--dark-cyan) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(600px) rotateX(70deg);
    animation: panGrid 30s linear infinite;
    /* Force GPU Acceleration */
    will-change: transform;
}

@keyframes panGrid { 
    0% { transform: perspective(600px) rotateX(70deg) translateY(0); } 
    100% { transform: perspective(600px) rotateX(70deg) translateY(60px); } 
}

/* Bruit analogique généré en CSS (0 kb d'image) */
.analog-noise {
    position: absolute; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.04;
    mix-blend-mode: overlay;
}

.vignette-mask {
    position: absolute; width: 100%; height: 100%;
    background: radial-gradient(circle at center, transparent 30%, var(--void) 90%);
}

/* =========================================
   STRUCTURE PRINCIPALE
========================================= */
.core-mainframe {
    width: 100%; max-width: 1300px; margin: 0 auto;
    padding: clamp(3rem, 8vw, 8rem) 1.5rem;
}

/* --- LE MONOLITHE (LOGO) --- */
.hero-monolith { text-align: center; margin-bottom: clamp(5rem, 12vw, 10rem); }

.logo-containment {
    position: relative; width: 100%; max-width: 1100px; margin: 0 auto 3rem;
}

.apex-logo {
    width: 100%; height: auto;
    position: relative; z-index: 2;
    /* Ombre portée calculée au pixel près pour la netteté */
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.8)) drop-shadow(0 0 10px rgba(0, 242, 255, 0.2));
    animation: floatLogo 6s ease-in-out infinite;
    will-change: transform, filter;
}

@keyframes floatLogo {
    0%, 100% { transform: translateY(0); filter: drop-shadow(0 10px 20px rgba(0,0,0,0.8)) drop-shadow(0 0 10px rgba(0, 242, 255, 0.1)); }
    50% { transform: translateY(-10px); filter: drop-shadow(0 20px 30px rgba(0,0,0,0.9)) drop-shadow(0 0 25px rgba(0, 242, 255, 0.3)); }
}

/* Le Halo cyan en arrière plan du logo */
.logo-backlight {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 60%; height: 40%;
    background: var(--core-cyan);
    filter: blur(100px); opacity: 0.1; z-index: 1;
}

/* --- CLASSIFICATION (GENRES) --- */
.classification-bar {
    display: flex; align-items: center; justify-content: center; gap: clamp(10px, 3vw, 40px);
}

.blade-line {
    height: 1px; flex-grow: 1; max-width: 200px;
    background: linear-gradient(90deg, transparent, var(--steel) 50%, transparent);
}

.genre-matrix {
    font-family: var(--font-display);
    font-size: clamp(0.7rem, 1.8vw, 1.1rem);
    letter-spacing: clamp(3px, 1vw, 8px);
    color: var(--text-low);
    font-weight: 700;
}

.genre-matrix .sep { color: var(--core-cyan); margin: 0 10px; opacity: 0.5; }

/* =========================================
   MODULES (AUDIO & RESEAUX)
========================================= */
.hardware-module { margin-bottom: clamp(5rem, 10vw, 8rem); }

.module-header {
    display: flex; align-items: baseline; gap: 15px; margin-bottom: 2rem;
    border-bottom: 1px solid var(--steel); padding-bottom: 10px;
}

.cyber-tag {
    font-family: var(--font-data); font-size: 0.7rem; color: var(--void);
    background: var(--core-cyan); padding: 2px 8px; font-weight: 700;
}

.module-title {
    font-family: var(--font-display); font-size: 1.2rem;
    letter-spacing: 4px; color: var(--text-high);
}

/* CHASSIS AUDIO AVEC EFFET VERRE FUMÉ (SMOKED GLASS) */
.deck-chassis {
    position: relative;
    background: var(--surface);
    backdrop-filter: blur(15px); /* L'effet Haut de Gamme */
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(0, 242, 255, 0.3);
    padding: 10px;
    /* La découpe sci-fi des coins */
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%);
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}

/* =========================================
   GRILLE NEURALE (RÉSEAUX SOCIAUX)
========================================= */
.matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.cyber-node {
    position: relative; height: 110px;
    background: var(--surface);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--steel);
    display: flex; align-items: center; justify-content: center;
    text-decoration: none; color: var(--text-low);
    /* Découpe de précision */
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    transition: all 0.5s var(--ease-elite);
    overflow: hidden;
}

.node-content {
    display: flex; align-items: center; gap: 20px; z-index: 2;
    transition: transform 0.5s var(--ease-elite);
}

.cyber-node i { font-size: 2rem; transition: color 0.3s ease; }
.node-label { font-family: var(--font-display); font-size: 0.9rem; letter-spacing: 3px; }

/* Micro-interaction "HUD Brackets" au survol */
.target-bracket {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 20px; height: 40px; border: 2px solid var(--core-cyan);
    opacity: 0; transition: all 0.5s var(--ease-elite);
}
.target-bracket.left { left: -30px; border-right: none; }
.target-bracket.right { right: -30px; border-left: none; }

.cyber-node:hover {
    background: rgba(0, 242, 255, 0.05);
    border-color: var(--core-cyan);
    color: var(--text-high);
}

.cyber-node:hover i { color: var(--core-cyan); filter: drop-shadow(0 0 8px var(--core-cyan)); }
.cyber-node:hover .node-content { transform: scale(1.05); }

/* Animation des crochets cibles */
.cyber-node:hover .target-bracket { opacity: 1; }
.cyber-node:hover .target-bracket.left { left: 15px; }
.cyber-node:hover .target-bracket.right { right: 15px; }

/* =========================================
   BOUTON DE COMMANDE (BOOKING)
========================================= */
.override-button {
    display: block; position: relative;
    background: #050505; border: 1px solid var(--steel);
    padding: clamp(3rem, 8vw, 5rem) 1rem;
    text-align: center; text-decoration: none;
    overflow: hidden;
    clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
    transition: all 0.5s var(--ease-elite);
}

.btn-content { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 10px; }

.prime-data {
    font-family: var(--font-display); font-size: clamp(1.2rem, 4vw, 2.5rem);
    color: var(--core-cyan); letter-spacing: 5px; font-weight: 700;
}

.sub-data { font-family: var(--font-data); color: #555; font-size: 0.8rem; }

/* Ligne de scan au survol */
.btn-scanline {
    position: absolute; top: -50px; left: -50%; width: 200%; height: 50px;
    background: linear-gradient(to bottom, transparent, rgba(0, 242, 255, 0.2), transparent);
    transform: rotate(15deg); transition: top 0.6s ease; z-index: 1;
}

.override-button:hover { background: #0a0a0a; border-color: var(--core-cyan); box-shadow: 0 0 40px rgba(0,242,255,0.1); }
.override-button:hover .prime-data { text-shadow: 0 0 15px var(--core-cyan); }
.override-button:hover .sub-data { color: var(--text-high); }
.override-button:hover .btn-scanline { top: 150%; }

.system-footprint { text-align: center; margin-top: 4rem; }
.footprint-data { font-family: var(--font-data); font-size: 0.65rem; color: #333; letter-spacing: 3px; }

/* =========================================
   RESPONSIVE ULTIME (MOBILE & CONSOLE)
========================================= */
@media (max-width: 768px) {
    /* Sur mobile, on enlève les animations lourdes sur le logo pour la batterie */
    .apex-logo { animation: none; }
    
    /* Réduction drastique des angles coupés pour garder de l'espace */
    .cyber-node { clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px); }
    
    .genre-matrix { display: flex; flex-direction: column; gap: 5px; }
    .genre-matrix .sep { display: none; } /* Enlève les slashs si on empile les mots */
}