:root {
    --primary: #ffcc00;     /* Jaune Or */
    --primary-hover: #e6b800;
    --bg-body: #050505;     /* Noir profond */
    --bg-card: #111111;     /* Gris très sombre */
    --bg-darker: #0a0a0a;
    --text-main: #ffffff;
    --text-muted: #bbbbbb;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
}

/* Utilitaires */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.bg-darker { background-color: var(--bg-darker); }
.bg-black { background-color: #000; }

/* Header */
header {
    background: rgba(0,0,0,0.95);
    position: sticky; top: 0; z-index: 1000;
    border-bottom: 1px solid #222;
    padding: 10px 0;
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 50px; }
.nav-links { list-style: none; display: flex; gap: 20px; }
.nav-links a { color: #fff; text-decoration: none; font-weight: 500; transition: 0.3s; font-size: 0.95rem; }
.nav-links a:hover { color: var(--primary); }
.btn-highlight { border: 1px solid var(--primary); padding: 5px 15px; border-radius: 4px; color: var(--primary) !important; }
.btn-highlight:hover { background: var(--primary); color: #000 !important; }

/* Hero & Slider */
.hero { position: relative; height: 80vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.slider-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; }
.slide { width: 100%; height: 100%; position: absolute; background-size: cover; background-position: center; opacity: 0; transition: opacity 1s ease-in-out; }
.slide.active { opacity: 0.6; } /* Opacité réduite pour lire le texte */
.hero-content { text-align: center; z-index: 1; max-width: 700px; }
.hero h1 { font-size: 3.5rem; color: var(--primary); margin-bottom: 15px; text-shadow: 0 4px 10px rgba(0,0,0,0.8); }
.hero p { font-size: 1.2rem; margin-bottom: 30px; text-shadow: 0 2px 5px rgba(0,0,0,0.8); }

/* Boutons */
.btn { display: inline-block; background: var(--primary); color: #000; padding: 12px 25px; text-decoration: none; border-radius: 5px; font-weight: bold; border: none; cursor: pointer; transition: 0.3s; }
.btn:hover { background: var(--primary-hover); }
.btn-outline { background: transparent; border: 2px solid #fff; color: #fff; margin-left: 10px; }
.btn-outline:hover { background: #fff; color: #000; }
.full-width { width: 100%; }

/* Sections */
.section { padding: 80px 0; }
.section-title { text-align: center; font-size: 2.2rem; color: var(--primary); margin-bottom: 10px; }
.section-subtitle { text-align: center; color: var(--text-muted); margin-bottom: 40px; }

/* Grids */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--bg-card); padding: 30px; border-radius: 8px; border: 1px solid #222; text-align: center; transition: transform 0.3s; }
.card:hover { transform: translateY(-5px); border-color: var(--primary); }
.card-icon { font-size: 2.5rem; color: var(--primary); margin-bottom: 20px; }

/* Mariages / Pricing */
.pricing-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }
.price-card { background: var(--bg-card); padding: 30px; border-radius: 8px; flex: 1; min-width: 280px; border: 1px solid #333; }
.price-card.featured { border: 1px solid var(--primary); transform: scale(1.05); }
.price-card h3 { color: var(--primary); font-size: 1.4rem; }
.price { font-size: 1.8rem; font-weight: bold; margin: 15px 0; }
.price-card ul { list-style: none; color: var(--text-muted); line-height: 2; }

/* Devis */
.devis-wrapper { display: flex; flex-wrap: wrap; gap: 40px; align-items: start; }
.devis-info { flex: 1; min-width: 300px; }
.devis-calculator { flex: 1; min-width: 300px; background: var(--bg-card); padding: 30px; border-radius: 10px; border: 1px solid #333; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; color: var(--primary); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px; background: #000; border: 1px solid #444; color: #fff; border-radius: 4px; }
.checkboxes label { display: block; margin-bottom: 8px; cursor: pointer; }
.result-box { margin-top: 20px; padding: 15px; background: #222; border-left: 3px solid var(--primary); }
.total-price { font-size: 1.5rem; color: var(--primary); font-weight: bold; }
.btn-link { color: #fff; text-decoration: underline; margin-top: 10px; display: inline-block; font-size: 0.9rem; }

/* Table */
.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; min-width: 500px; }
th, td { padding: 12px; border-bottom: 1px solid #333; text-align: left; }
th { color: var(--primary); text-transform: uppercase; font-size: 0.9rem; }
tr:hover { background: #111; }

/* Footer */
footer { text-align: center; padding: 40px 0; color: #666; font-size: 0.9rem; border-top: 1px solid #222; }

/* Mobile */
@media(max-width: 768px) {
    .nav-links { display: none; } /* Simplification pour la démo */
    .hero h1 { font-size: 2.2rem; }
    .pricing-grid { flex-direction: column; }
    .price-card.featured { transform: none; }
}