/* =========================================
   1. VARIABLES & RESET
   ========================================= */
:root {
    --primary-bg: #111827;   /* Gris très sombre (Fond principal) */
    --secondary-bg: #1f2937; /* Gris un peu plus clair (Cartes) */
    --accent-color: #10b981; /* Vert Émeraude (Action/Tech) */
    --accent-hover: #34d399; /* Vert plus clair au survol */
    --text-main: #f3f4f6;    /* Blanc cassé */
    --text-muted: #9ca3af;   /* Gris clair */
    --border-color: #374151; /* Bordures subtiles */
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--primary-bg);
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* Permet au footer de rester en bas */
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =========================================
   2. HEADER & NAVIGATION
   ========================================= */
header {
    background-color: rgba(17, 24, 39, 0.95);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.6rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-main);
}
.logo span { color: var(--accent-color); }

.nav-links { display: flex; gap: 30px; }
.nav-links a {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 500;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-color); }

.btn-nav {
    border: 1px solid var(--accent-color);
    color: var(--accent-color) !important;
    padding: 8px 20px;
    border-radius: 4px;
}
.btn-nav:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg) !important;
}

/* Espace pour ne pas que le contenu passe sous le header fixe */
main { flex: 1; padding-top: 80px; }

/* =========================================
   3. BOUTONS & UTILITAIRES
   ========================================= */
.btn-cta, .btn-submit {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-bg);
    font-weight: bold;
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
    transition: 0.3s;
}
.btn-cta:hover, .btn-submit:hover { 
    background-color: var(--accent-hover); 
    box-shadow: 0 0 25px rgba(16, 185, 129, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-block;
    border: 1px solid var(--text-muted);
    color: var(--text-main);
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 4px;
    text-transform: uppercase;
}
.btn-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.section-header { margin-bottom: 60px; }
.section-header h2 { font-size: 2.2rem; margin-bottom: 15px; display: inline-block; }
.section-header h2::after {
    content: ''; display: block; width: 60px; height: 4px;
    background: var(--accent-color); margin-top: 10px;
}

/* =========================================
   4. PAGE ACCUEIL (Hero & Services)
   ========================================= */
.hero {
    background: linear-gradient(rgba(17, 24, 39, 0.85), rgba(17, 24, 39, 0.95)), url('https://images.unsplash.com/photo-1558494949-efc02570fbc9?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    /* Reset du padding-top car le header est dessus */
    margin-top: -80px; 
    padding-top: 160px; /* Compensation */
}
.hero-content { max-width: 800px; }
.hero-content h1 { font-size: 3.5rem; line-height: 1.2; margin-bottom: 25px; }
.hero-content h1 span { color: var(--accent-color); }
.hero-content p { font-size: 1.3rem; color: var(--text-muted); margin-bottom: 40px; max-width: 600px; }
.hero-buttons { margin-top: 30px; }
.hero-buttons .btn-secondary { margin-left: 20px; }

.services { padding: 100px 0; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 40px; }

.service-card, .value-card {
    background: var(--secondary-bg);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: 0.3s;
}
.service-card:hover, .value-card:hover { transform: translateY(-5px); border-color: var(--accent-color); }

.icon-box {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 25px;
    background: rgba(16, 185, 129, 0.1);
    display: inline-flex; width: 70px; height: 70px;
    align-items: center; justify-content: center;
    border-radius: 50%;
}

.banner-offres {
    background: var(--secondary-bg);
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* =========================================
   5. PAGE OFFRES (Pricing)
   ========================================= */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 50px; }

.pricing-card {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    transition: 0.3s;
    position: relative;
}
.pricing-card:hover { transform: translateY(-10px); border-color: var(--accent-color); }

.pricing-card.featured { border: 2px solid var(--accent-color); box-shadow: 0 0 20px rgba(16, 185, 129, 0.2); }
.badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--accent-color); color: #000; padding: 5px 15px;
    border-radius: 20px; font-weight: bold; font-size: 0.8rem;
}

.price { font-size: 2.5rem; font-weight: bold; margin: 20px 0; color: #fff; }
.price span { font-size: 1rem; color: var(--text-muted); font-weight: normal; }

ul.features { text-align: left; margin-bottom: 30px; }
ul.features li { margin-bottom: 10px; color: #d1d5db; }
ul.features li i { color: var(--accent-color); margin-right: 10px; }

.pricing-card .btn {
    display: block; width: 100%; padding: 15px; background: transparent;
    border: 1px solid var(--accent-color); color: var(--accent-color);
    border-radius: 5px; font-weight: bold; text-transform: uppercase; transition: 0.3s;
}
.pricing-card .btn:hover, .pricing-card.featured .btn {
    background: var(--accent-color); color: #000;
}

/* =========================================
   6. PAGE CONTACT
   ========================================= */
.page-header { text-align: center; margin-bottom: 60px; padding-top: 40px;}
.page-header h1 { font-size: 2.5rem; margin-bottom: 10px; }
.page-header h1 span { color: var(--accent-color); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }

.info-item {
    display: flex; align-items: center; margin-bottom: 20px; padding: 20px;
    background: var(--secondary-bg); border-radius: 8px; border: 1px solid var(--border-color); transition: 0.3s;
}
.info-item:hover { border-color: var(--accent-color); transform: translateX(5px); }
.info-item i { font-size: 1.5rem; color: var(--accent-color); margin-right: 20px; width: 30px; text-align: center; }

.contact-form { background: var(--secondary-bg); padding: 40px; border-radius: 8px; border: 1px solid var(--border-color); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; color: var(--accent-color); font-weight: 600; font-size: 0.9rem; text-transform: uppercase; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 12px; background-color: var(--primary-bg);
    border: 1px solid var(--border-color); border-radius: 4px;
    color: var(--text-main); font-size: 1rem; outline: none; transition: 0.3s; font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent-color); }
.btn-submit { width: 100%; }

/* =========================================
   7. PAGE MAINTENANCE (Spécifique)
   ========================================= */
body.maintenance-page {
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}
.maintenance-box {
    max-width: 500px; width: 90%;
    background: var(--secondary-bg);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}
.maintenance-box h1 { color: var(--accent-color); margin-top: 0; }
.maintenance-status {
    color: #ef4444; border: 1px dashed #ef4444;
    padding: 5px 10px; display: inline-block; margin-bottom: 20px; font-size: 0.9rem;
    font-family: monospace;
}
.maintenance-box button {
    width: 100%; background: var(--accent-color); color: #000;
    font-weight: bold; padding: 12px; border: none; cursor: pointer; transition: 0.3s;
}
.maintenance-box button:hover { background: var(--accent-hover); }

/* =========================================
   8. FOOTER & RESPONSIVE
   ========================================= */
footer {
    padding: 40px 0;
    background-color: var(--primary-bg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: auto;
}

@media (max-width: 768px) {
    .nav-links { display: none; } /* Menu mobile simple (caché) */
    .hero { flex-direction: column; justify-content: center; text-align: center; margin-top: 0; padding-top: 100px;}
    .hero-content h1 { font-size: 2.5rem; }
    .hero-buttons .btn-secondary { margin-left: 0; margin-top: 15px; display: block; }
    .contact-grid { grid-template-columns: 1fr; }
}