:root {
    --primary-color: #D4AF37; /* Or / Champagne */
    --primary-hover: #b5952f;
    --dark-bg: #0B1B3D; /* Bleu Nuit Profond */
    --light-bg: #F8F9FA;
    --text-main: #333333;
    --text-muted: #666666;
    --white: #ffffff;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--white);
}

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

/* --- HEADER & NAV --- */
header {
    background-color: var(--white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-bg);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

/* --- BOUTONS --- */
.btn-primary, .btn-secondary, .btn-outline {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--dark-bg);
}

.btn-secondary:hover {
    background-color: #f1f1f1;
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color) !important;
}

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

/* --- HERO SECTION --- */
.hero {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 100px 20px;
    text-align: center;
    /* Optionnel : ajouter une image de fond sombre ici */
    /* background-image: linear-gradient(rgba(11, 27, 61, 0.9), rgba(11, 27, 61, 0.9)), url('votre-image.jpg'); */
    /* background-size: cover; */
    /* background-position: center; */
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* --- TRUST BAR --- */
.trust-bar {
    background-color: var(--light-bg);
    padding: 15px 0;
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark-bg);
}

/* --- SECTIONS GLOBALES --- */
.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 10px;
    color: var(--dark-bg);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.text-light {
    color: var(--white);
}

.mt-2 {
    margin-top: 2rem;
}

/* --- GRILLES --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 50px;
    align-items: center;
}

/* --- COMMENT CA MARCHE --- */
.steps-section {
    padding: 80px 20px;
}

.step-card {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
}

.step-card h3 {
    font-family: var(--font-heading);
    color: var(--dark-bg);
    margin-bottom: 15px;
}

/* --- FEATURES SECTION --- */
.features-section {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 80px 20px;
}

.feature-list {
    list-style: none;
    margin-bottom: 30px;
}

.feature-list li {
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background-color: #1a2a52;
    border: 2px dashed var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    border-radius: 8px;
}

/* --- FAQ --- */
.faq-section {
    padding: 80px 20px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.faq-item {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.faq-item h4 {
    color: var(--dark-bg);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

/* --- FOOTER --- */
.footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 60px 20px 30px 20px;
    border-top: 5px solid var(--primary-color);
}

.footer h3, .footer h4 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    margin-bottom: 20px;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer ul a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer ul a:hover {
    opacity: 1;
    color: var(--primary-color);
}