:root {
  --bg: #ffffff;
  --band: #f4f5f8;
  --card: #ffffff;
  --border: #e3e5eb;
  --text: #16171c;
  --muted: #5b5e6b;
  --accent: #1f6fe5;
  --accent-text: #ffffff;
  --hero-from: #eef3ff;
  --shadow: 0 10px 30px rgba(20, 30, 60, 0.12);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131418;
    --band: #1a1c22;
    --card: #20232b;
    --border: #2d313b;
    --text: #eceef3;
    --muted: #a3a7b4;
    --accent: #4c9bff;
    --accent-text: #0b1220;
    --hero-from: #18213a;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: linear-gradient(180deg, var(--hero-from) 0, var(--bg) 720px) no-repeat, var(--bg);
  color: var(--text);
  font: 17px/1.6 "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); }
code { font: 0.86em "Cascadia Mono", Consolas, monospace; background: var(--band); padding: 1px 5px; border-radius: 4px; overflow-wrap: anywhere; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- En-tête ---------- */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
.brand svg { width: 28px; height: 28px; }
nav { display: flex; gap: 22px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--text); }

/* ---------- Accroche ---------- */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-top: 64px; padding-bottom: 72px; }
.kicker { color: var(--accent); font-weight: 600; letter-spacing: 0.02em; margin: 0 0 10px; }
h1 { font: 700 clamp(36px, 5vw, 56px)/1.08 "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif; margin: 0 0 18px; letter-spacing: -0.02em; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 10px; border: 1px solid var(--border); background: var(--card); color: var(--text); text-decoration: none; font-weight: 600; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.08); }
.meta { color: var(--muted); font-size: 14px; margin: 12px 0 18px; }
.promise { display: flex; flex-wrap: wrap; gap: 8px 18px; list-style: none; padding: 0; margin: 0; font-size: 15px; }
.promise li::before { content: "✓ "; color: #2ecc71; font-weight: 700; }

.hero-shots { position: relative; }
.shot { border-radius: 12px; box-shadow: var(--shadow); border: 1px solid var(--border); display: block; }
.hero-shots .main { width: 100%; }
.hero-shots .bar { position: absolute; right: -14px; top: -28px; width: 92px; border: none; border-radius: 12px; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.band { background: var(--band); }
h2 { font: 700 clamp(26px, 3.4vw, 36px)/1.2 "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif; margin: 0 0 10px; letter-spacing: -0.01em; }
.sub { color: var(--muted); margin: 0 0 32px; font-size: 18px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid article { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.grid h3 { margin: 6px 0 6px; font-size: 18px; }
.grid p { margin: 0; color: var(--muted); font-size: 15.5px; }
.ico { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; font-size: 22px; color: var(--c); background: color-mix(in srgb, var(--c) 16%, transparent); }
.note { color: var(--muted); font-size: 15px; margin: 24px 0 0; max-width: 820px; }

.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 18px 0 0; }
.checks li { position: relative; padding-left: 30px; margin-bottom: 14px; color: var(--muted); }
.checks li strong { color: var(--text); }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: #2ecc71; font-weight: 700; }

.faq { max-width: 860px; }
.faq details { border: 1px solid var(--border); border-radius: 12px; padding: 4px 20px; margin-bottom: 12px; background: var(--card); }
.faq summary { cursor: pointer; font-weight: 600; padding: 14px 0; }
.faq details p { color: var(--muted); margin: 0 0 16px; }

.en p { max-width: 860px; color: var(--muted); margin: 0 0 22px; }

.foot { padding: 36px 24px 48px; color: var(--muted); font-size: 15px; text-align: center; }
.foot .small { font-size: 13px; }

/* ---------- Petits écrans ---------- */
@media (max-width: 960px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .hero, .split { grid-template-columns: 1fr; gap: 36px; }
  .hero-shots .bar { right: 6px; top: -18px; width: 70px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  nav { gap: 14px; }
  nav a:nth-child(-n+2) { display: none; }
  .grid, .grid.two { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
  .hero { padding-top: 40px; }
  .btn { width: 100%; text-align: center; }
  .hero-shots .bar { display: none; }
}

/* Section image à gauche, texte à droite. */
.split.reverse { grid-template-columns: 0.85fr 1fr; }
.split .kicker { margin-bottom: 6px; }
@media (max-width: 960px) {
  .split.reverse { grid-template-columns: 1fr; }
  .split.reverse > img { order: 2; }
}