:root {
  --bg: #F5F7F8;
  --card-bg: #FFFFFF;
  --text: #171A1F;
  --text-muted: #667085;
  --accent: #1B4F8C;
  --accent-dark: #123A66;
  --accent-light: #E7EDF6;
  --border: #E3E7EA;
  --radius: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 0.95rem;
}
a { color: var(--accent-dark); }
a:hover { text-decoration: none; }

nav.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
nav.topbar .inner { max-width: 860px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.logo { font-weight: 800; font-size: 1.1rem; text-decoration: none; color: var(--text); }
.logo span { color: var(--accent); }
.nav-back { font-size: 0.85rem; color: var(--text-muted); text-decoration: none; }
.nav-back:hover { color: var(--text); }

.draft-notice {
  max-width: 860px; margin: 20px auto 0; padding: 0 24px;
}
.draft-notice .box {
  background: #FEF3C7; border: 1px solid #FDE68A; color: #92400E;
  border-radius: var(--radius); padding: 14px 18px; font-size: 0.85rem;
}

.hero { padding: 40px 24px 32px; text-align: center; }
.hero h1 { font-size: 1.8rem; font-weight: 800; margin: 0 0 8px; }
.hero p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

.layout { max-width: 860px; margin: 0 auto; padding: 24px 24px 64px; display: grid; grid-template-columns: 190px 1fr; gap: 44px; align-items: start; }
@media (max-width: 660px) { .layout { grid-template-columns: 1fr; } }

.sommaire { position: sticky; top: 90px; }
.sommaire h3 { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 10px; }
.sommaire ul { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--border); }
.sommaire li a { display: block; padding: 6px 14px; font-size: 0.82rem; color: var(--text-muted); text-decoration: none; }
.sommaire li a:hover { color: var(--accent-dark); border-left: 2px solid var(--accent); margin-left: -2px; }
@media (max-width: 660px) { .sommaire { display: none; } }

.content section { margin-bottom: 34px; }
.section-title { font-size: 1.05rem; font-weight: 800; color: var(--accent-dark); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.content p { color: var(--text-muted); margin-bottom: 10px; }
.content strong { color: var(--text); font-weight: 600; }

.info-block { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin-bottom: 8px; }
.info-row { display: flex; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 0.86rem; }
.info-row:last-child { border-bottom: none; }
.info-label { color: var(--text-muted); min-width: 170px; }
.info-val { color: var(--text); font-weight: 500; }

.pricing-recap { background: var(--accent-light); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-bottom: 8px; font-size: 0.88rem; color: var(--text); }

footer { border-top: 1px solid var(--border); padding: 28px 24px; text-align: center; }
footer .inner { max-width: 860px; margin: 0 auto; }
footer p { font-size: 0.8rem; color: var(--text-muted); }
footer a { margin: 0 6px; }