/* RealOne — feuille de style des pages marketing STATIQUES (SEO/GEO).
   Ces pages sont du HTML pur (pas Flutter) pour être lisibles par Google et les
   moteurs génératifs (ChatGPT, Perplexity, Claude…). Elles reprennent la charte
   de l'app : fond blanc + accent #00AEEF + cartes à fine bordure bleue, et un
   mode sombre (#000) via prefers-color-scheme. Une seule source de vérité,
   partagée par /, /fonctionnalites, /tarifs, /securite, /faq et /guides. */

:root {
  --accent: #00AEEF;
  --accent-2: #0A84FF;
  --bg: #ffffff;
  --card: #ffffff;
  --text: #111114;
  --muted: rgba(60, 60, 67, 0.62);
  --muted-2: rgba(60, 60, 67, 0.45);
  --border: rgba(0, 174, 239, 0.28);
  --hairline: rgba(60, 60, 67, 0.16);
  --shadow: 0 12px 34px rgba(0, 174, 239, 0.10);
  --maxw: 1000px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1c1c1e;
    --text: #f5f5f7;
    --muted: rgba(235, 235, 245, 0.62);
    --muted-2: rgba(235, 235, 245, 0.40);
    --border: rgba(0, 174, 239, 0.42);
    --hairline: rgba(235, 235, 245, 0.16);
    --shadow: 0 12px 34px rgba(0, 0, 0, 0.55);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ── Header / nav ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 0.5px solid var(--hairline);
}
.site-header .wrap {
  display: flex; align-items: center; gap: 16px;
  height: 60px;
}
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--text); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 32px; height: 32px; display: grid; place-items: center;
  background: #000; color: #fff; border-radius: 9px;
  font-weight: 800; font-size: 13px; letter-spacing: -0.4px;
  border: 0.5px solid rgba(255, 255, 255, 0.18);
}
.brand-name { font-size: 18px; letter-spacing: -0.3px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--muted); font-size: 15px; font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav .cta {
  color: #fff; background: var(--accent);
  padding: 9px 16px; border-radius: 12px; font-weight: 600;
}
.nav .cta:hover { text-decoration: none; opacity: 0.92; }
@media (max-width: 720px) {
  .nav { gap: 14px; }
  .nav .hide-sm { display: none; }
}

/* ── Sections ─────────────────────────────────────────────────────────────── */
main { display: block; }
section { padding: 56px 0; }
.hero { padding: 72px 0 40px; text-align: center; }

.kicker {
  color: var(--accent); font-size: 13px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase; margin: 0 0 12px;
}

h1 {
  font-size: clamp(34px, 6vw, 60px); line-height: 1.04; letter-spacing: -1.4px;
  font-weight: 800; margin: 0 0 18px;
}
h1 .accent { color: var(--accent); }
h2 {
  font-size: clamp(26px, 4vw, 34px); line-height: 1.1; letter-spacing: -0.8px;
  font-weight: 800; margin: 0 0 14px;
}
h3 { font-size: 20px; letter-spacing: -0.3px; font-weight: 700; margin: 0 0 8px; }

.lead {
  font-size: clamp(17px, 2.4vw, 20px); line-height: 1.55; color: var(--muted);
  max-width: 640px; margin: 0 auto 8px;
}
.hero .lead { margin-bottom: 28px; }
p { margin: 0 0 16px; }
.prose { max-width: 720px; }
.prose p, .prose li { color: var(--text); }
.prose h2 { margin-top: 44px; }
.prose h3 { margin-top: 28px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 0 0 8px; }
.center { text-align: center; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 50px; padding: 0 26px; border-radius: 14px;
  font-size: 16px; font-weight: 600; cursor: pointer; border: 0;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { text-decoration: none; opacity: 0.92; }
.btn-ghost { background: color-mix(in srgb, var(--text) 8%, transparent); color: var(--text); }
.btn-ghost:hover { text-decoration: none; }

/* ── Platform chips ───────────────────────────────────────────────────────── */
.chips { display: flex; gap: 9px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.chip {
  color: #fff; font-size: 13.5px; font-weight: 700;
  padding: 8px 15px; border-radius: 999px;
  border: 0.5px solid rgba(255, 255, 255, 0.12);
}

/* ── Cards / grid ─────────────────────────────────────────────────────────── */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 18px; padding: 22px;
}
.card h3 { margin-bottom: 7px; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.card .ic {
  width: 44px; height: 44px; border-radius: 12px; margin-bottom: 15px;
  display: grid; place-items: center; font-size: 22px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

/* ── Privacy / highlight band ─────────────────────────────────────────────── */
.band {
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 24px; padding: 34px;
}
.pill {
  display: inline-block; font-size: 12.5px; font-weight: 700;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(52, 199, 89, 0.16); color: #1c7a44;
}
@media (prefers-color-scheme: dark) { .pill { color: #5fe08a; } }

/* ── Steps ────────────────────────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: center; }
@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }
.step .num {
  width: 46px; height: 46px; border-radius: 50%; margin: 0 auto 14px;
  display: grid; place-items: center; background: var(--accent);
  color: #fff; font-weight: 800; font-size: 19px;
}
.step p { color: var(--muted); font-size: 15px; }

/* ── Pricing ──────────────────────────────────────────────────────────────── */
.price-card {
  max-width: 460px; margin: 0 auto; background: var(--card);
  border: 1.5px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-radius: 24px; padding: 34px; box-shadow: var(--shadow); text-align: center;
}
.price-badge {
  display: inline-block; font-size: 11.5px; font-weight: 800; letter-spacing: 1.1px;
  padding: 5px 12px; border-radius: 999px; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}
.price-amount { font-size: clamp(46px, 8vw, 56px); font-weight: 800; letter-spacing: -2px; margin: 16px 0 2px; }
.price-amount .cur { font-size: 0.5em; font-weight: 700; margin-left: 4px; vertical-align: super; }
.price-basis { font-weight: 700; font-size: 15.5px; }
.price-note { color: var(--muted-2); font-size: 12.5px; margin-top: 6px; }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; text-align: left; }
.check-list li { position: relative; padding-left: 27px; margin: 0 0 11px; font-size: 15px; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--accent); font-weight: 800;
}

/* ── FAQ ──────────────────────────────────────────────────────────────────── */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  border-bottom: 0.5px solid var(--hairline); padding: 18px 0;
}
.faq summary {
  cursor: pointer; font-weight: 700; font-size: 18px; list-style: none;
  display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); margin: 12px 0 0; }

/* ── Final CTA ────────────────────────────────────────────────────────────── */
.cta-band {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 26px; padding: 56px 28px; text-align: center; color: #fff;
}
.cta-band h2 { color: #fff; }
.cta-band .btn { background: #fff; color: var(--accent); }

/* ── Breadcrumb ───────────────────────────────────────────────────────────── */
.crumbs { font-size: 14px; color: var(--muted); padding-top: 28px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--text); }

/* ── Guide cards ──────────────────────────────────────────────────────────── */
.guide-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 640px) { .guide-list { grid-template-columns: 1fr; } }
.guide-list a.card { color: var(--text); }
.guide-list a.card:hover { text-decoration: none; border-color: var(--accent); }
.guide-list .tag { color: var(--accent); font-size: 12.5px; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase; }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.site-footer { border-top: 0.5px solid var(--hairline); padding: 40px 0; margin-top: 40px; }
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 32px 64px; }
.site-footer h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted-2); margin: 0 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 0 0 9px; }
.site-footer a { color: var(--muted); font-size: 15px; }
.site-footer a:hover { color: var(--text); text-decoration: none; }
.site-footer .legal { color: var(--muted-2); font-size: 13px; margin-top: 28px; }

.section-tight { padding: 40px 0; }
.mt-8 { margin-top: 8px; } .mt-24 { margin-top: 24px; } .mt-40 { margin-top: 40px; }