/* --- NOUVELLES VARIABLES BASÉES SUR LE LOGO --- */
:root {
    --primary-neon: #00d2ff;    /* Le bleu du logo */
    --secondary-neon: #9d50bb;  /* Le violet du logo */
    --bg-dark: #0a0b10;         /* Noir profond pour le fond */
    --card-bg: #161b22;         /* Gris très sombre pour les cartes */
    --text-light: #e6edf3;      /* Texte blanc cassé */
    --accent: #3a86ff;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-dark);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- HEADER --- */
header {
    background: rgba(10, 11, 16, 0.95);
    backdrop-filter: blur(10px); /* Effet de flou moderne */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 70px; /* Augmenté pour bien voir les détails du logo */
    display: block;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

/* --- NAVIGATION --- */
nav ul {
    list-style: none;
    display: flex;
    margin: 0;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
    transition: 0.3s;
}

nav ul li a:hover {
    color: var(--primary-neon);
    text-shadow: 0 0 10px var(--primary-neon);
}

/* --- SECTIONS --- */
section {
    padding: 80px 0;
}

h1, h2, h3 {
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
}

h1 {
    font-size: 2.5rem;
    background: linear-gradient(to right, var(--primary-neon), var(--secondary-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

/* --- CARTES ET ÉLÉMENTS DESIGN --- */
.card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    transition: 0.3s;
}

.card:hover {
    border-color: var(--secondary-neon);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(157, 80, 187, 0.2);
}

/* --- FORMULAIRE --- */
.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    border-left: 4px solid var(--primary-neon);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-neon);
    font-size: 0.9rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 6px;
    color: white;
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary-neon);
    box-shadow: 0 0 8px rgba(0, 210, 255, 0.3);
}

/* --- BOUTONS --- */
button, .btn {
    background: linear-gradient(45deg, var(--primary-neon), var(--secondary-neon));
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

button:hover {
    filter: brightness(1.2);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.5);
}

/* --- FOOTER --- */
footer {
    background: #050507;
    color: #666;
    text-align: center;
    padding: 50px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}