/* G20 de l'Investissement — Shared Styles */
:root {
  --navy: #0a0e1a;
  --navy-light: #131832;
  --navy-mid: #1a1f35;
  --gold: #d4a853;
  --gold-light: #e8c77b;
  --gold-dark: #b8912e;
  --gold-bg: rgba(212,168,83,0.08);
  --gold-bg2: rgba(212,168,83,0.12);
  --text: #1a1a2e;
  --text-secondary: #6b7084;
  --text-light: #9ca0b0;
  --bg: #fafaf8;
  --bg-card: #ffffff;
  --border: rgba(0,0,0,0.06);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 800px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* NAV */
.site-nav { background: var(--navy); padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 100; }
.site-nav a { text-decoration: none; }
.nav-logo { font-family: var(--font-display); font-size: 16px; font-weight: 600; color: #fff; }
.nav-logo span { color: var(--gold); }
.nav-cta { background: var(--gold); color: var(--navy); font-size: 13px; font-weight: 600; padding: 8px 20px; border-radius: var(--radius-sm); text-decoration: none; transition: var(--transition); }
.nav-cta:hover { background: var(--gold-light); }

/* ARTICLE HERO */
.article-hero { background: var(--navy); padding: 56px 24px 48px; text-align: center; position: relative; overflow: hidden; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(212,168,83,0.10) 0%, transparent 60%); }
.article-hero > * { position: relative; z-index: 1; }
.article-hero .badge { display: inline-block; font-size: 11px; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); border: 1px solid rgba(212,168,83,0.25); padding: 5px 16px; border-radius: 30px; margin-bottom: 20px; }
.article-hero h1 { font-family: var(--font-display); font-size: clamp(26px, 4vw, 40px); font-weight: 600; color: #fff; line-height: 1.2; max-width: 640px; margin: 0 auto 12px; }
.article-hero h1 em { color: var(--gold); font-style: normal; }
.article-hero .subtitle { font-size: 16px; font-weight: 300; color: rgba(255,255,255,0.55); max-width: 520px; margin: 0 auto; }

/* ARTICLE BODY */
.article-body { max-width: var(--max-w); margin: 0 auto; padding: 48px 24px; }
.article-body h2 { font-family: var(--font-display); font-size: clamp(22px, 3vw, 28px); font-weight: 600; color: var(--text); margin: 48px 0 16px; letter-spacing: -0.3px; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { font-size: 18px; font-weight: 600; color: var(--text); margin: 32px 0 12px; }
.article-body p { margin-bottom: 16px; color: var(--text-secondary); font-size: 15px; line-height: 1.8; }
.article-body ul, .article-body ol { margin: 0 0 20px 20px; color: var(--text-secondary); font-size: 15px; }
.article-body li { margin-bottom: 8px; line-height: 1.6; }
.article-body strong { color: var(--text); font-weight: 600; }
.article-body a { color: var(--gold-dark); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--gold); }

/* STAT HIGHLIGHT */
.stat-highlight { background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--gold); border-radius: 0 var(--radius) var(--radius) 0; padding: 20px 24px; margin: 24px 0; }
.stat-highlight .number { font-family: var(--font-display); font-size: 32px; font-weight: 600; color: var(--gold-dark); }
.stat-highlight .label { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

/* QUOTE */
.blockquote { background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--gold); border-radius: 0 var(--radius) var(--radius) 0; padding: 24px 28px; margin: 28px 0; position: relative; }
.blockquote::before { content: '\201C'; position: absolute; top: 12px; left: 14px; font-family: var(--font-display); font-size: 40px; color: var(--gold); opacity: 0.3; line-height: 1; }
.blockquote p { font-style: italic; color: var(--text-secondary); margin-bottom: 8px; padding-left: 6px; }
.blockquote cite { font-style: normal; font-size: 13px; font-weight: 600; color: var(--text); padding-left: 6px; }

/* INFO BOX */
.info-box { background: var(--gold-bg); border: 1px solid rgba(212,168,83,0.15); border-radius: var(--radius); padding: 20px 24px; margin: 24px 0; }
.info-box h4 { font-size: 15px; font-weight: 600; color: var(--gold-dark); margin-bottom: 8px; }
.info-box p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; }

/* GRID CARDS */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 24px 0; }
.g-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; transition: var(--transition); }
.g-card:hover { border-color: rgba(212,168,83,0.3); }
.g-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.g-card p { font-size: 13px; color: var(--text-secondary); margin-bottom: 0; line-height: 1.5; }
.g-card .g-num { font-family: var(--font-display); font-size: 28px; font-weight: 600; color: var(--gold-dark); margin-bottom: 8px; }

/* CTA SECTION */
.cta-section { background: var(--navy); padding: 56px 24px; text-align: center; position: relative; overflow: hidden; margin-top: 48px; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 100%, rgba(212,168,83,0.08) 0%, transparent 50%); }
.cta-section > * { position: relative; }
.cta-section h2 { font-family: var(--font-display); font-size: clamp(22px, 3.5vw, 32px); font-weight: 600; color: #fff; margin-bottom: 10px; }
.cta-section p { font-size: 15px; font-weight: 300; color: rgba(255,255,255,0.5); max-width: 480px; margin: 0 auto 24px; }
.btn-gold { display: inline-flex; align-items: center; gap: 8px; background: var(--gold); color: var(--navy); font-family: var(--font-body); font-size: 15px; font-weight: 600; padding: 14px 32px; border-radius: var(--radius-sm); text-decoration: none; transition: var(--transition); border: none; cursor: pointer; }
.btn-gold:hover { background: var(--gold-light); transform: translateY(-1px); }
.btn-gold svg { width: 16px; height: 16px; transition: transform var(--transition); }
.btn-gold:hover svg { transform: translateX(3px); }

/* FOOTER */
.site-footer { text-align: center; padding: 32px 24px; font-size: 12px; color: var(--text-light); }
.site-footer a { color: var(--gold-dark); text-decoration: none; }

/* TABLE */
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-body th { background: var(--navy); color: #fff; padding: 12px 16px; text-align: left; font-weight: 500; }
.article-body td { padding: 10px 16px; border-bottom: 1px solid var(--border); color: var(--text-secondary); }
.article-body tr:hover td { background: var(--gold-bg); }

/* TOC */
.toc { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; margin: 0 0 32px; }
.toc h4 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 10px; }
.toc ol { margin: 0; padding-left: 20px; }
.toc li { margin-bottom: 6px; }
.toc a { font-size: 14px; color: var(--gold-dark); text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* BREADCRUMB */
.breadcrumb { max-width: var(--max-w); margin: 0 auto; padding: 12px 24px 0; font-size: 12px; color: var(--text-light); }
.breadcrumb a { color: var(--gold-dark); text-decoration: none; }

/* FADE UP */
.fade-up { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .article-body { padding: 32px 20px; }
  .article-hero { padding: 40px 20px 36px; }
}
