/* CiteScan — identité visuelle (indigo #6d28d9 + émeraude #10b981) */
:root {
  --citescan-primary: #6d28d9;
  --citescan-accent: #10b981;
  --citescan-bg: #fafaf9;
  --citescan-text: #1e293b;
  --citescan-muted: #64748b;
  --citescan-border: #e2e8f0;
}

* { box-sizing: border-box; }
html { background: var(--citescan-bg); color: var(--citescan-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55; }

body { margin: 0; }
a { color: var(--citescan-primary); }
a:hover { text-decoration: underline; }

.container { max-width: 960px; margin: 0 auto; padding: 0 1.25rem; }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 0; background: #fff; padding: .5rem; }

.header { border-bottom: 1px solid var(--citescan-border); background: #fff; }
.header .container { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1.25rem; }
.logo { text-decoration: none; display: flex; align-items: baseline; gap: .4rem; }
.logo__name { color: var(--citescan-primary); font-weight: 700; font-size: 1.25rem; }
.logo__by { color: var(--citescan-muted); font-size: .85rem; }
.nav a { color: var(--citescan-text); text-decoration: none; margin-left: 1rem; }

.lang-switch { font-size: .85rem; color: var(--citescan-muted);
  display: flex; gap: .4rem; align-items: center; }
.lang-switch a { color: var(--citescan-muted); text-decoration: none; }
.lang-switch a[aria-current="page"] { color: var(--citescan-primary); font-weight: 600; }

.page { padding: 2rem 0 3rem; }
.page h1 { color: var(--citescan-primary); font-size: 2rem; margin-bottom: 1rem; }
.page h2 { color: var(--citescan-primary); font-size: 1.25rem; margin-top: 1.5rem; }
.page h3 { font-size: 1.05rem; margin-top: 1.25rem; }

.legal-list { padding-left: 1.25rem; }
.legal-list li { margin: .35rem 0; }

.footer { border-top: 1px solid var(--citescan-border); background: #fff;
  padding: 2rem 0; font-size: .9rem; color: var(--citescan-muted); }
.footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.25rem; }
.footer a { color: var(--citescan-muted); }
.footer__disclaimer { margin-top: 1.25rem; font-size: .85rem; }

/* ── Page offre ─────────────────────────────── */
.hero { text-align: center; margin: 2rem 0 2.5rem; }
.hero h1 { font-size: 2.4rem; margin: 0 0 .75rem; }
.hero .tagline { font-size: 1.15rem; color: var(--citescan-muted); max-width: 720px; margin: 0 auto; }

.badge-garantie { display: inline-block; background: var(--citescan-accent);
  color: #fff; font-size: .8rem; font-weight: 600; padding: .3rem .7rem;
  border-radius: 999px; margin-bottom: .9rem; text-transform: uppercase; letter-spacing: .04em; }

.offers { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin: 1.5rem 0; }
.offer-card { background: #fff; border: 2px solid var(--citescan-border);
  border-radius: 12px; padding: 1.5rem; box-shadow: 0 4px 8px rgba(15, 23, 42, .04); }
.offer-card--featured { border-color: var(--citescan-primary); }
.offer-card h2 { margin-top: 0; }
.offer-price { font-size: 2.4rem; font-weight: 700; color: var(--citescan-primary); margin: .5rem 0 .25rem; }
.offer-price-sub { color: var(--citescan-muted); font-size: .9rem; margin-bottom: 1rem; }
.offer-card ul { list-style: none; padding: 0; margin: 1rem 0 1.25rem; }
.offer-card ul li { padding: .35rem 0 .35rem 1.5rem; position: relative; }
.offer-card ul li::before { content: "✓"; color: var(--citescan-accent);
  position: absolute; left: 0; font-weight: 700; }

.btn { display: inline-block; padding: .75rem 1.5rem; border-radius: 8px;
  font-weight: 600; text-decoration: none; transition: transform .15s; }
.btn--primary { background: var(--citescan-primary); color: #fff; }
.btn--primary:hover { background: #5b21b6; text-decoration: none; }
.btn--disabled { background: var(--citescan-muted); color: #fff; cursor: not-allowed; }
.btn--block { display: block; text-align: center; }

.cta-disabled-notice { background: #fef3c7; border: 1px solid #f59e0b;
  border-radius: 8px; padding: .9rem 1rem; margin: 1.25rem 0; font-size: .9rem; }
.cta-disabled-notice strong { color: #92400e; }

/* Sélecteur d'IA multi-moteurs (t_9864864c) */
.engine-select { border: 1px solid var(--citescan-border, #e2e8f0); border-radius: 8px;
  padding: .9rem 1rem .7rem; margin: .25rem 0 1rem; }
.engine-select legend { font-size: .85rem; font-weight: 600; color: var(--citescan-muted);
  padding: 0 .4rem; }
.engine-select__row { display: flex; align-items: center; gap: .6rem; padding: .3rem 0;
  cursor: pointer; font-size: .95rem; }
.engine-select__row input { width: 18px; height: 18px; accent-color: var(--citescan-primary); }
.engine-select__row input:disabled { cursor: not-allowed; }
.engine-select__row em { color: var(--citescan-muted); font-style: normal; font-size: .85rem; }

.faq { margin: 2rem 0; }
.faq details { background: #fff; border: 1px solid var(--citescan-border);
  border-radius: 8px; padding: .9rem 1.1rem; margin-bottom: .5rem; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--citescan-primary); }
.faq details[open] summary { margin-bottom: .5rem; }

.pre-footer-cta { text-align: center; margin: 2.5rem 0 1.5rem; }

/* ── Page merci ─────────────────────────────── */
.merci { text-align: center; padding: 2rem 0; }
.merci h1 { color: var(--citescan-accent); }
.merci .big-emoji { font-size: 3.5rem; margin: .5rem 0; }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.7rem; }
  .page h1 { font-size: 1.5rem; }
}