:root {
    --primary-900: #010147;
    --primary-800: #050798;
    --primary-700: #0D11F2;
    --primary-600: #2F63FB;
    --primary-500: #6390FC;
    --primary-400: #9CBBFD;
    --primary-300: #D5E2FE;
    --primary-100: #ECF5FF;

    --accent-900: #2B025C;
    --accent-800: #5106A4;
    --accent-700: #7B0DF2;

    --blue-700: #0761B5;
    --blue-600: #0D84F2;

    --neutral-900: #191B1C;
    --neutral-800: #383B3D;
    --neutral-700: #595F61;
    --neutral-600: #7B8285;
    --neutral-500: #9BA3A8;
    --neutral-400: #C2C9CC;
    --neutral-300: #EDEFF0;
    --neutral-100: #F8F9FA;
    --white: #FFFFFF;

    --shadow-sm: 0 1px 2px rgba(1, 1, 71, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(1, 1, 71, 0.07), 0 2px 4px -2px rgba(1, 1, 71, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(1, 1, 71, 0.08), 0 4px 6px -4px rgba(1, 1, 71, 0.05);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font-family); color: var(--neutral-900); background: var(--neutral-100); line-height: 1.7; -webkit-font-smoothing: antialiased; }

a { color: var(--primary-700); font-weight: 600; text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-800); text-decoration: underline; }
ul, ol { list-style: revert; }
img { max-width: 100%; height: auto; display: block; }

/* Navbar (shared with main site) */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--neutral-300); box-shadow: var(--shadow-sm); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.logo-img { height: 36px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 0.938rem; font-weight: 500; color: var(--neutral-700); transition: color 0.2s; text-decoration: none; }
.nav-links a:hover { color: var(--primary-700); text-decoration: none; }
.nav-cta { background: var(--primary-700) !important; color: var(--white) !important; padding: 8px 20px; border-radius: var(--radius-full); font-weight: 600 !important; }
.nav-cta:hover { background: var(--primary-800) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--neutral-900); border-radius: 2px; }

/* Article Layout */
.blog-article-wrapper { max-width: 820px; margin: 0 auto; padding: 100px 16px 60px; }

article.blog-post { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }

article.blog-post .hero-image { width: 100%; aspect-ratio: 1200/630; object-fit: cover; display: block; }
article.blog-post header { padding: 48px 40px 32px; border-bottom: 1px solid var(--neutral-300); background: linear-gradient(135deg, var(--primary-100), var(--white)); }
.kicker { color: var(--primary-700); font-weight: 700; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 1.5px; }
article.blog-post h1 { font-size: 2.25rem; line-height: 1.15; margin: 12px 0 16px; font-weight: 800; color: var(--neutral-900); letter-spacing: -0.02em; }
.meta { color: var(--neutral-600); font-size: 0.875rem; }

/* Table of Contents */
.sommaire { padding: 24px 40px; border-bottom: 1px solid var(--neutral-300); background: var(--neutral-100); }
.sommaire strong { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 1px; color: var(--neutral-700); }
.sommaire ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 18px; margin: 12px 0 0; padding-left: 20px; }
.sommaire li { font-size: 0.875rem; }
.sommaire a { font-weight: 500; }

/* Main Content */
article.blog-post main { padding: 12px 40px 48px; }
article.blog-post h2 { font-size: 1.625rem; line-height: 1.25; margin-top: 42px; margin-bottom: 16px; font-weight: 800; color: var(--neutral-900); letter-spacing: -0.01em; }
article.blog-post h3 { font-size: 1.25rem; line-height: 1.3; margin-top: 28px; margin-bottom: 10px; font-weight: 700; color: var(--neutral-900); }
article.blog-post p { margin: 12px 0; font-size: 1rem; color: var(--neutral-800); }
article.blog-post ul, article.blog-post ol { padding-left: 24px; margin: 12px 0; }
article.blog-post li { margin: 8px 0; font-size: 1rem; color: var(--neutral-800); }

/* Highlight blocks */
.value-block, .tools-block, .recap-block, .cta-block { border: 1px solid var(--neutral-300); border-radius: var(--radius-md); padding: 20px 24px; margin: 24px 0; background: var(--neutral-100); }
.value-block { background: var(--primary-100); border-color: var(--primary-300); }
.cta-block { border-left: 5px solid var(--primary-700); background: var(--primary-100); }
.tools-block { background: var(--neutral-100); border-color: var(--neutral-300); }
.recap-block { background: var(--primary-100); border-color: var(--primary-400); }
.label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--primary-700); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }

/* Tables */
table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.938rem; border-radius: var(--radius-sm); overflow: hidden; }
th, td { border: 1px solid var(--neutral-300); padding: 12px 14px; text-align: left; vertical-align: top; }
th { background: var(--primary-100); color: var(--primary-900); font-weight: 700; font-size: 0.875rem; }

/* Sources */
.sources { border-top: 1px solid var(--neutral-300); margin-top: 48px; padding-top: 24px; }
.sources h2 { font-size: 1.25rem; }
.sources li { font-size: 0.875rem; color: var(--neutral-600); }

/* Breadcrumb */
.breadcrumb { max-width: 820px; margin: 0 auto; padding: 88px 16px 0; }
.breadcrumb-list { display: flex; align-items: center; gap: 8px; list-style: none; padding: 0; font-size: 0.813rem; color: var(--neutral-500); }
.breadcrumb-list a { color: var(--neutral-600); font-weight: 500; text-decoration: none; }
.breadcrumb-list a:hover { color: var(--primary-700); }
.breadcrumb-sep { color: var(--neutral-400); }

/* Related Articles */
.related-articles { max-width: 820px; margin: 40px auto 0; padding: 0 16px 60px; }
.related-articles h2 { font-size: 1.375rem; font-weight: 800; margin-bottom: 20px; color: var(--neutral-900); }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.related-card { background: var(--white); border: 1px solid var(--neutral-300); border-radius: var(--radius-md); padding: 24px; transition: all 0.3s; text-decoration: none; }
.related-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--primary-400); text-decoration: none; }
.related-card .related-tag { display: inline-block; font-size: 0.688rem; font-weight: 700; color: var(--primary-700); background: var(--primary-100); padding: 3px 10px; border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
.related-card h3 { font-size: 1rem; font-weight: 700; color: var(--neutral-900); line-height: 1.4; margin: 0 0 8px; }
.related-card p { font-size: 0.813rem; color: var(--neutral-600); margin: 0; line-height: 1.5; }

/* Footer */
.footer { background: var(--neutral-900); color: var(--neutral-400); padding: 60px 0 30px; }
.footer .container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { height: 32px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.875rem; line-height: 1.7; margin-bottom: 20px; max-width: 300px; }
.social-links { display: flex; gap: 12px; }
.social-links a { width: 36px; height: 36px; border-radius: var(--radius-sm); background: var(--neutral-800); display: flex; align-items: center; justify-content: center; color: var(--neutral-400); transition: all 0.2s; text-decoration: none; }
.social-links a:hover { background: var(--primary-700); color: var(--white); }
.footer-links h4 { font-size: 0.875rem; font-weight: 700; color: var(--white); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; padding: 0; }
.footer-links a { font-size: 0.875rem; color: var(--neutral-500); transition: color 0.2s; font-weight: 400; text-decoration: none; }
.footer-links a:hover { color: var(--primary-400); text-decoration: none; }
.footer-bottom { border-top: 1px solid var(--neutral-800); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 0.813rem; color: var(--neutral-600); }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 20px; gap: 16px; border-bottom: 1px solid var(--neutral-300); box-shadow: var(--shadow-lg); }
    .nav-links.active { display: flex; }
    .nav-toggle { display: flex; }
    article.blog-post header { padding: 32px 20px 24px; }
    article.blog-post h1 { font-size: 1.75rem; }
    .sommaire { padding: 20px; }
    article.blog-post main { padding: 12px 20px 36px; }
    .blog-article-wrapper { padding-top: 80px; }
    .breadcrumb { padding-top: 76px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .related-grid { grid-template-columns: 1fr; }
}

/* Legal Modals */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(1, 1, 71, 0.6);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.modal-overlay.active {
    display: flex;
    opacity: 1;
}
.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 680px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 25px 60px rgba(1, 1, 71, 0.25);
    position: relative;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 32px 20px;
    border-bottom: 1px solid var(--neutral-300);
    position: sticky;
    top: 0;
    background: var(--white);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    z-index: 1;
}
.modal-header h2 {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--neutral-900);
    margin: 0;
}
.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--neutral-100);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-600);
    font-size: 1.25rem;
    transition: all 0.2s;
    flex-shrink: 0;
}
.modal-close:hover {
    background: var(--neutral-300);
    color: var(--neutral-900);
}
.modal-body {
    padding: 28px 32px 36px;
    font-size: 0.938rem;
    color: var(--neutral-700);
    line-height: 1.7;
}
.modal-body h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin: 28px 0 10px;
}
.modal-body h3:first-child {
    margin-top: 0;
}
.modal-body p {
    margin: 10px 0;
}
.modal-body ul {
    padding-left: 20px;
    margin: 10px 0;
    list-style: disc;
}
.modal-body li {
    margin: 6px 0;
}

@media (max-width: 768px) {
    .modal-overlay {
        padding: 12px;
    }
    .modal-header {
        padding: 20px;
    }
    .modal-body {
        padding: 20px;
    }
    .modal-header h2 {
        font-size: 1.125rem;
    }
}

@media print {
    .navbar, .footer, .breadcrumb, .related-articles { display: none; }
    body { background: #fff; }
    article.blog-post { box-shadow: none; border-radius: 0; }
}