/* --- CONFIGURATION GLOBALE --- */
:root {
    /* Couleurs */
    --c-black: #050505;
    --c-white: #f0f0f0;
    --c-red: #ff0000;
    --c-gray: #333;
    
    /* Polices (Pixel Art) */
    --font-head: 'Press Start 2P', cursive;
    --font-mono: 'VT323', monospace;
    
    /* Bordures */
    --border-thick: 4px solid var(--c-white);
    --border-red: 4px solid var(--c-red);
}

/* Reset et rendu pixel */
* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    image-rendering: pixelated; 
}

body {
    background-color: var(--c-black);
    color: var(--c-white);
    font-family: var(--font-mono);
    font-size: 1.2rem; 
    overflow-x: hidden;
    cursor: crosshair;
}

/* --- EFFETS DE FOND (BASE) --- */

/* Grille pixelisée */
.pixel-grid-overlay {
    position: fixed; inset: 0; z-index: 88; pointer-events: none;
    background-image: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(255, 0, 0, 0.02), rgba(0, 255, 0, 0.02));
    background-size: 100% 2px, 3px 100%;
}

/* Bruit visuel (Noise) */
.noise-overlay {
    position: fixed; inset: 0; z-index: 90; pointer-events: none;
    opacity: 0.1;
    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='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Vignette (Coins sombres) */
.vignette-overlay {
    position: fixed; inset: 0; z-index: 91; pointer-events: none;
    background: radial-gradient(circle, transparent 50%, rgba(0,0,0,0.9) 100%);
}

/* Fond à damier (Dithering) */
.dithering-bg {
    background-image: 
        linear-gradient(45deg, #ddd 25%, transparent 25%), 
        linear-gradient(-45deg, #ddd 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #ddd 75%), 
        linear-gradient(-45deg, transparent 75%, #ddd 75%);
    background-size: 4px 4px;
    background-position: 0 0, 0 2px, 2px -2px, -2px 0px;
}

/* --- ÉCRAN DE DÉMARRAGE --- */
.boot-screen {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--c-black);
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s;
}

.terminal-text p {
    font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--c-white);
    text-shadow: 2px 2px 0px #000;
}

/* Clignotement rouge */
.blink-red { color: var(--c-red); animation: blink 0.1s infinite; }

/* --- TYPOGRAPHIE ET UTILITAIRES --- */
.text-red { color: var(--c-red); text-shadow: 2px 2px 0px #300; }
.glitch-text { position: relative; display: inline-block; }
.glitch-text:hover { animation: shake 0.2s infinite; color: var(--c-red); }

/* --- STRUCTURE PRINCIPALE --- */
.main-wrapper {
    max-width: 1200px; margin: 0 auto;
    position: relative; z-index: 10;
    border-left: 4px solid var(--c-gray);
    border-right: 4px solid var(--c-gray);
    background: var(--c-black);
    min-height: 100vh;
    box-shadow: 0 0 0 4px var(--c-black);
}

/* --- EN-TÊTE (HEADER) --- */
.brutal-header { padding: 2rem; border-bottom: var(--border-thick); }

.top-bar {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 1rem; letter-spacing: 0px; 
    border-bottom: 2px dashed var(--c-gray);
    padding-bottom: 1rem; margin-bottom: 2rem;
    font-family: var(--font-head);
}

/* Bouton Retour */
.btn-back {
    color: var(--c-white); text-decoration: none; 
    border: 2px solid var(--c-white);
    padding: 10px 15px; 
    font-family: var(--font-head); font-size: 0.8rem;
    box-shadow: 4px 4px 0px var(--c-white);
    transition: 0.1s;
    background: var(--c-black);
}

.btn-back:hover { 
    background: var(--c-red); 
    border-color: var(--c-red); 
    box-shadow: 4px 4px 0px var(--c-red);
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px var(--c-white);
}

/* Section Héro */
.hero-section {
    display: flex; align-items: center; justify-content: center; gap: 2rem;
    padding: 2rem 0;
}

.bw-logo {
    height: 80px; width: auto;
    image-rendering: pixelated; 
    filter: grayscale(100%) contrast(200%);
    transition: 0.1s;
}
.bw-logo:hover { filter: grayscale(0%) contrast(100%); }

.title-block { text-align: center; }

.sub-hero { 
    font-family: var(--font-mono); 
    font-size: 2rem; 
    color: var(--c-red); 
    margin-bottom: 10px; 
    text-shadow: 3px 3px 0px #000;
}

.hero-caption { 
    font-size: 1.2rem; 
    background: var(--c-white); color: var(--c-black); 
    display: inline-block; padding: 5px 10px; 
    font-family: var(--font-mono);
}

/* Grand Titre Pixel */
.mega-title {
    font-family: var(--font-head);
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1.2;
    color: var(--c-white);
    position: relative;
    margin: 10px 0;
    text-shadow: 6px 6px 0px var(--c-red);
}

/* Effet Glitch sur le titre */
.glitch-layers::before, .glitch-layers::after {
    content: attr(data-text);
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--c-black);
}
.glitch-layers::before {
    left: 4px; text-shadow: -4px 0 var(--c-red);
    clip-path: inset(20% 0 80% 0);
    animation: glitch-anim-1 2s infinite steps(2);
}
.glitch-layers::after {
    left: -4px; text-shadow: 4px 0 blue; 
    clip-path: inset(80% 0 5% 0);
    animation: glitch-anim-2 3s infinite steps(2);
}

/* --- BANDEAU DÉFILANT --- */
.scrolling-alert {
    background: var(--c-red); color: var(--c-black);
    font-family: var(--font-head); font-size: 1rem;
    padding: 15px 0; overflow: hidden; white-space: nowrap;
    border-bottom: var(--border-thick);
    border-top: var(--border-thick);
}

.track { display: inline-block; animation: scroll 8s linear infinite; }

/* --- CONTENU ET GRILLE --- */
.content-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    border-bottom: var(--border-thick);
}

.grid-box {
    padding: 3rem; 
    border-right: 4px solid var(--c-gray);
    position: relative;
}

/* Tailles de colonnes */
.span-2 { grid-column: span 2; }
.span-1 { grid-column: span 1; }
.span-full { grid-column: 1 / -1; }

.box-header { 
    display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; 
    border-bottom: 4px solid var(--c-red); padding-bottom: 10px; 
}
.box-header h3 { font-family: var(--font-head); font-size: 1.5rem; line-height: 1.5; }

/* Styles inversés (Noir sur Blanc) */
.inverted { 
    background-color: var(--c-white); 
    color: var(--c-black); 
}
.inverted .box-header { border-color: var(--c-black); }
.inverted .letter-highlight { 
    background: var(--c-black); color: var(--c-white); 
    padding: 2px 8px; 
    font-family: var(--font-head);
}
.inverted li { 
    border-bottom: 2px dashed #999; 
    padding: 10px 0; font-size: 1.4rem; 
}
.clean-list { list-style: none; }

/* Statistiques */
.stat-row { display: flex; gap: 3rem; margin-top: 3rem; flex-wrap: wrap; }
.stat-number { 
    font-family: var(--font-head); font-size: 2.5rem; 
    line-height: 1; display: block; margin-bottom: 10px;
    text-shadow: 4px 4px 0px #333;
}
.stat-label { font-family: var(--font-mono); font-size: 1.2rem; }
.inverted .stat-number { text-shadow: 4px 4px 0px #ccc; }

/* --- BOUTON ARCADE GÉANT --- */
.mega-btn {
    display: block; width: 100%; text-align: center;
    background: var(--c-black); color: var(--c-white);
    text-decoration: none; padding: 4rem 0;
    transition: 0.1s; position: relative; overflow: hidden;
}

.btn-text { 
    font-family: var(--font-head); font-size: 2rem; 
    display: block; position: relative; z-index: 2; 
    text-shadow: 4px 4px 0px var(--c-red);
}
.btn-sub { 
    font-family: var(--font-mono); font-size: 1.2rem; 
    color: var(--c-red); display: block; margin-top: 15px; 
    position: relative; z-index: 2;
}

.mega-btn:hover { 
    background: var(--c-red); color: var(--c-black); 
}
.mega-btn:hover .btn-text { 
    color: var(--c-black); 
    text-shadow: 4px 4px 0px var(--c-white);
    animation: shake 0.1s infinite;
}
.mega-btn:hover .btn-sub { color: var(--c-black); font-weight: bold; }

/* --- PIED DE PAGE --- */
.brutal-footer {
    padding: 2rem; display: flex; justify-content: space-between;
    font-size: 1rem; border-top: 4px solid var(--c-gray);
    font-family: var(--font-head);
}

/* --- BOUTON RETRO (Footer) --- */
.btn-footer-retro {
    font-family: var(--font-mono, 'VT323', monospace);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-text-main, #e0e0e0);
    text-decoration: none;
    text-transform: uppercase;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--color-text-main, #e0e0e0);
    display: inline-block;
    position: relative;
    overflow: hidden;
    
    /* Effets CRT */
    text-shadow: 0 0 5px rgba(224, 224, 224, 0.7), 0 0 10px rgba(224, 224, 224, 0.5);
    background: linear-gradient(to bottom, rgba(255,255,255,0) 50%, rgba(0,0,0,0.4) 50%);
    background-size: 100% 4px;
    box-shadow: 0 0 10px rgba(224, 224, 224, 0.2), inset 0 0 20px rgba(0,0,0,0.5);

    transition: all 0.1s steps(2);
}

.btn-footer-retro > span:last-child {
    display: inline-block;
    animation: blinker 1s step-end infinite;
}

/* Survol bouton retro */
.btn-footer-retro:hover {
    background-color: var(--color-accent-alert, #cc0000);
    color: #000;
    border-color: var(--color-accent-alert, #cc0000);
    box-shadow: 0 0 20px var(--color-accent-alert, #cc0000), inset 0 0 10px rgba(0,0,0,0.5);
    text-shadow: none;
    animation: glitch-skew 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both infinite;
}

.btn-footer-retro:active {
    transform: scale(0.98);
    background-size: 100% 2px;
}

/* --- RESPONSIVE MOBILE --- */
@media (max-width: 900px) {
    .content-grid { grid-template-columns: 1fr; }
    .span-2, .span-1 { grid-column: span 1; }
    .hero-section { flex-direction: column; }
    .mega-title { font-size: 2.5rem; }
    .box-content { padding: 0; }
}

/* --- ANIMATIONS (KEYFRAMES) --- */
@keyframes blink { 50% { opacity: 0; } }

@keyframes shake {
    0% { transform: translate(2px, 2px); }
    50% { transform: translate(-2px, -2px); }
    100% { transform: translate(2px, -2px); }
}

@keyframes blinker { 50% { opacity: 0; } }

@keyframes glitch-skew {
    0% { transform: translate(0) }
    20% { transform: translate(-2px, 2px) skewX(2deg) }
    40% { transform: translate(-2px, -2px) skewX(-2deg) }
    60% { transform: translate(2px, 2px) skewX(2deg) }
    80% { transform: translate(2px, -2px) skewX(-2deg) }
    100% { transform: translate(0) }
}

/* --- CONFIGURATION AVANCÉE DES OVERLAYS --- */
/* (Ces styles écrasent les précédents pour affiner l'effet) */

.pixel-grid-overlay,
.noise-overlay,
.vignette-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none;
    z-index: 9000;
}

/* Lignes de balayage animées */
.pixel-grid-overlay {
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0),
        rgba(255,255,255,0) 50%,
        rgba(0,0,0,0.3) 50%,
        rgba(0,0,0,0.3)
    );
    background-size: 100% 4px;
    animation: scanline-scroll 10s linear infinite;
    opacity: 0.8;
}

/* Vignette bombée */
.vignette-overlay {
    background: radial-gradient(
        circle,
        rgba(0, 0, 0, 0) 60%,
        rgba(0, 0, 0, 0.4) 80%,
        rgba(0, 0, 0, 0.9) 100%
    );
    box-shadow: inset 0 0 150px rgba(0, 0, 0, 0.9);
}

/* Scintillement de l'écran global */
body.theme-resistance {
    min-height: 100vh;
    position: relative;
    background-color: #050505;
    animation: screen-flicker 4s infinite;
    text-shadow: 0 0 1px rgba(255, 255, 255, 0.1); 
}

/* Bruit animé (Neige TV) */
.noise-overlay {
    top: -50%; left: -50%; right: -50%; bottom: -50%;
    width: 200%; height: 200vh;
    z-index: 9005;
    background: transparent url('http://assets.iceable.com/img/noise-transparent.png') repeat 0 0;
    background-repeat: repeat;
    animation: bg-animation .2s infinite;
    opacity: 0.15;
    visibility: visible;
}

/* Animations spécifiques aux Overlays */
@keyframes static-noise {
    0% { transform: translate(0, 0); }
    100% { transform: translate(5%, 0); }
}

@keyframes screen-flicker {
    0% { opacity: 0.99; }
    5% { opacity: 0.95; }
    10% { opacity: 0.99; }
    80% { opacity: 0.99; }
    90% { opacity: 0.96; }
    100% { opacity: 0.99; }
}

@keyframes bg-animation {
    0% { transform: translate(0,0) }
    10% { transform: translate(-5%,-5%) }
    20% { transform: translate(-10%,5%) }
    30% { transform: translate(5%,-10%) }
    40% { transform: translate(-5%,15%) }
    50% { transform: translate(-10%,5%) }
    60% { transform: translate(15%,0) }
    70% { transform: translate(0,10%) }
    80% { transform: translate(-15%,0) }
    90% { transform: translate(10%,5%) }
    100% { transform: translate(5%,0) }
}

@keyframes scanline-scroll {
    0% { background-position: 0 0; }
    100% { background-position: 0 100%; }
}