/* Variable CSS */
:root {
    --primary: #0b1d3a;
    --primary-light: #182e50;
    --accent: #c59b27;
    --accent-hover: #a37f1e;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --font-heading: 'Cinzel', serif;
    --font-body: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #fff;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Top Bar */
.top-bar {
    background-color: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-info span {
    margin-right: 20px;
}

/* Navbar */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
}

.logo-sub {
    font-size: 0.65rem;
    color: var(--accent);
    letter-spacing: 3px;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-menu a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--accent);
}

.btn-nav {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: 8px 18px;
    border-radius: 4px;
}

.btn-nav:hover {
    background-color: var(--accent);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary);
    margin: 4px 0;
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, #0b1d3a 0%, #1a365d 100%);
    color: var(--white);
    padding: 120px 0;
    text-align: center;
}

.hero-subtitle {
    color: var(--accent);
    letter-spacing: 3px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    max-width: 900px;
    margin: 0 auto 20px;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 30px;
    color: rgba(255, 255, 255, 0.85);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-outline {
    border: 2px solid var(--white);
    color: var(--white);
    margin-left: 10px;
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary);
}

/* Sections */
.section {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.section-tag {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }

/* Stats */
.stats-section {
    background-color: var(--primary);
    color: var(--white);
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    color: var(--accent);
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Cards & Service Boxes */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.highlight-card {
    background-color: var(--primary);
    color: var(--white);
}

.service-card {
    background: var(--white);
    padding: 25px;
    border-radius: 6px;
    border-left: 4px solid var(--accent);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.pillar-card {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.03);
}

.pillar-num {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.company-card + .company-card {
    margin-top: 40px; /* S'applique automatiquement à partir de la 2ème société */
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
}

/* Footer */
footer {
    background-color: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    font-size: 0.85rem;
}

/* Page Header */
.page-header {
    background-color: var(--primary);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

/* Responsive */
@media (max-width: 900px) {
    .grid-2, .grid-3, .grid-5, .stats-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    .nav-menu.active {
        display: flex;
    }
    .nav-toggle {
        display: block;
    }
}