:root {
  --indigo: #4f46e5;
  --cyan: #0ea5e9;
  --ink: #0f172a;
  --slate: #334155;
  --slate-light: #64748b;
  --bg-soft: #f6f8fc;
  --border: #e2e8f0;
  --grad: linear-gradient(90deg, #4f46e5, #0ea5e9);
  --whatsapp: #25d366;
}

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
}

a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand img { height: 36px; width: auto; }
.header-cta { display: flex; align-items: center; gap: 10px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 12px;
  font-weight: 700; font-size: 15px; cursor: pointer;
  border: 1px solid transparent; transition: all .25s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 12px 30px -12px rgba(79,70,229,.5); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { border-color: rgba(79,70,229,.4); color: var(--indigo); }
.btn-wa { color: var(--whatsapp); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 48px; background: linear-gradient(180deg, #fff, var(--bg-soft)); }
.eyebrow { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--indigo); margin: 0 0 12px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 18px; }
.hero p.lead { font-size: 1.15rem; color: var(--slate); max-width: 700px; margin: 0 0 28px; }
.hero .cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.gradient-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* Sections */
section.block { padding: 44px 0; }
section.block.alt { background: var(--bg-soft); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); font-weight: 800; letter-spacing: -0.01em; margin: 0 0 16px; }
h3 { font-size: 1.15rem; font-weight: 700; margin: 0 0 8px; }
p { color: var(--slate); margin: 0 0 16px; }
.block ul { color: var(--slate); padding-left: 20px; margin: 0 0 16px; }
.block ul li { margin-bottom: 8px; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 24px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 24px; box-shadow: 0 8px 30px -18px rgba(15,23,42,.15); }
.card h3 { color: var(--ink); }
.card p { margin: 0; font-size: 0.95rem; }

/* Pill row */
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.pill { background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 600; color: var(--slate); }

/* FAQ */
.faq details { border: 1px solid var(--border); border-radius: 14px; padding: 16px 20px; margin-bottom: 12px; background: #fff; }
.faq summary { font-weight: 700; color: var(--ink); cursor: pointer; }
.faq details p { margin: 12px 0 0; }

/* CTA band */
.cta-band { background: var(--ink); color: #fff; border-radius: 24px; padding: 40px; text-align: center; margin: 40px 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.8); max-width: 560px; margin: 0 auto 24px; }

/* Breadcrumb */
.crumbs { font-size: 13px; color: var(--slate-light); padding: 16px 0 0; }
.crumbs a { color: var(--slate-light); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 36px 0; margin-top: 20px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.site-footer .links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 14px; }
.site-footer small { color: var(--slate-light); }

/* Related links */
.related a { display: inline-block; margin-right: 16px; font-weight: 600; }

/* ---- Blog ---- */
.post-meta { color: var(--slate-light); font-size: 0.95rem; margin: 0; }
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; margin-top: 8px; }
.post-card { display: block; background: #fff; border: 1px solid var(--border); border-radius: 20px; overflow: hidden; box-shadow: 0 8px 30px -18px rgba(15,23,42,.15); transition: transform .25s ease, box-shadow .25s ease; }
.post-card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -22px rgba(79,70,229,.35); text-decoration: none; }
.post-card-body { padding: 24px; }
.post-card-date { color: var(--slate-light); font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; margin: 0 0 10px; }
.post-card h2 { font-size: 1.25rem; margin: 0 0 10px; color: var(--ink); }
.post-card p { font-size: 0.95rem; margin: 0 0 14px; }
.post-card-link { font-weight: 700; color: var(--indigo); font-size: 0.95rem; }

/* Corps d'article */
.post-body { max-width: 760px; margin: 8px auto 0; font-size: 1.075rem; }
.post-body h2 { font-size: 1.6rem; margin: 40px 0 14px; }
.post-body h3 { font-size: 1.25rem; margin: 30px 0 10px; color: var(--ink); }
.post-body p { margin: 0 0 18px; }
.post-body ul, .post-body ol { color: var(--slate); padding-left: 22px; margin: 0 0 18px; }
.post-body li { margin-bottom: 8px; }
.post-body a { text-decoration: underline; }
.post-body strong { color: var(--ink); }
.post-body blockquote { border-left: 4px solid var(--indigo); background: var(--bg-soft); margin: 24px 0; padding: 14px 20px; border-radius: 0 12px 12px 0; color: var(--slate); }
.post-body code { background: var(--bg-soft); padding: 2px 6px; border-radius: 6px; font-size: 0.9em; }
.post-body img { max-width: 100%; height: auto; border-radius: 14px; margin: 20px 0; }
.post-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.95rem; }
.post-body th, .post-body td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.post-body th { background: var(--bg-soft); }

/* ---- Mobile : en-tête compact (évite le chevauchement logo / nom / boutons) ---- */
@media (max-width: 680px) {
  .site-header .wrap { height: 58px; gap: 8px; }
  .brand { gap: 8px; font-size: 15px; white-space: nowrap; flex-shrink: 0; }
  .brand img { height: 28px; }
  .header-cta { gap: 6px; flex-shrink: 0; }
  .site-header .btn { padding: 8px 14px; font-size: 13px; border-radius: 10px; }
  /* On garde le CTA prioritaire « Audit gratuit » ; le bouton secondaire
     (WhatsApp / Blog) reste accessible dans le corps de page. */
  .site-header .header-cta .btn-ghost { display: none; }
}