/* --- INITIALISATION DU SYSTÈME --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00f7ff; /* Cyan néon */
    --background-color: #010409;
    --container-bg-color: rgba(13, 27, 42, 0.85);
    --border-color: rgba(0, 247, 255, 0.2);
    --text-color: #ced4da;
    --title-font: 'Teko', sans-serif;
    --body-font: 'Roboto', sans-serif;
}

body {
    font-family: var(--body-font);
    background-color: var(--background-color);
    color: var(--text-color);
    
    /* Fond avec grille technique */
    background-image: 
        linear-gradient(rgba(0, 247, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 247, 255, 0.07) 1px, transparent 1px);
    background-size: 30px 30px;
    
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
    
    /* Animation de "scanline" qui balaie l'écran */
    animation: scanline 10s linear infinite;
}

@keyframes scanline {
    0% { background-position: 0 0; }
    100% { background-position: 30px 30px; }
}

/* --- CONTENEUR DE L'INTERFACE --- */
.tech-container {
    position: relative;
    width: 90%;
    max-width: 900px;
    padding: 40px;
    background: var(--container-bg-color);
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    text-align: center;
    box-shadow: 0 0 30px rgba(0, 247, 255, 0.1);
    
    /* Animation d'apparition */
    animation: fadeIn 1.5s ease-out;
}

/* Coins décoratifs pour le look "HUD" */
.tech-container::before, .tech-container::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    border-color: var(--primary-color);
    border-style: solid;
    animation: corner-flicker 3s infinite alternate;
}
.tech-container::before {
    top: -5px;
    left: -5px;
    border-width: 2px 0 0 2px;
}
.tech-container::after {
    bottom: -5px;
    right: -5px;
    border-width: 0 2px 2px 0;
}

@keyframes corner-flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* --- AFFICHAGE TEXTUEL --- */
h1 {
    font-family: var(--title-font);
    font-size: 4em;
    letter-spacing: 4px;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
    margin-bottom: 10px;
    
    /* Animation de texte qui apparaît */
    animation: text-flicker 2s ease-in-out;
}

p {
    font-size: 1.1em;
    margin-bottom: 40px;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@keyframes text-flicker {
    0% { opacity: 0; }
    80% { opacity: 0.9; text-shadow: 0 0 15px var(--primary-color); }
    85% { opacity: 0.5; }
    100% { opacity: 1; text-shadow: 0 0 10px var(--primary-color); }
}

/* --- GRILLE DE SÉLECTION --- */
.button-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-button {
    font-family: var(--title-font);
    letter-spacing: 2px;
    font-size: 1.3em;
    color: var(--primary-color);
    text-decoration: none;
    background-color: transparent;
    border: 2px solid var(--border-color);
    padding: 15px;
    position: relative;
    overflow: hidden;
    transition: color 0.4s, border-color 0.4s;
    
    /* Forme angulaire grâce à clip-path */
    clip-path: polygon(10% 0, 100% 0, 100% 80%, 90% 100%, 0 100%, 0 20%);
}

/* Effet de remplissage au survol */
.service-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    z-index: -1;
    transition: left 0.4s ease-out;
}

.service-button:hover {
    color: var(--background-color);
    border-color: var(--primary-color);
}

.service-button:hover::before {
    left: 0;
}


/* --- ADAPTATION POUR TERMINAUX MOBILES --- */
@media (max-width: 800px) {
    .button-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    h1 { font-size: 3em; }
}

@media (max-width: 500px) {
    .button-grid {
        grid-template-columns: 1fr;
    }
    h1 { font-size: 2.5em; }
    .tech-container { padding: 25px; }
}