:root {
  --blue: #0253fc;
  --blue-dark: #013bb5;
  --cyan: #00c6ff;
  --violet: #8c52ff;
  --yellow: #ffbc59;
  --bg: #ffffff;
  --bg-soft: #f1f4f8;
  --text: #14213d;
  --muted: #5a6577;
  --border: #e3e8ef;
  --radius: 20px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1220;
    --bg-soft: #131b2e;
    --text: #eef2fa;
    --muted: #9aa7bd;
    --border: #243049;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); }
@media (prefers-color-scheme: dark) { a { color: #6f9bff; } }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--bg); padding: 8px 12px; z-index: 10; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; color: var(--text); text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
nav.main a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: .95rem; }
nav.main a:hover { color: var(--blue); }
@media (max-width: 640px) { nav.main a.hide-sm { display: none; } }

/* Hero */
.hero { padding: 64px 0 40px; background: linear-gradient(180deg, color-mix(in srgb, var(--blue) 9%, var(--bg)), var(--bg)); }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.1; margin: 0 0 16px; letter-spacing: -.02em; }
.hero h1 span { color: var(--blue); }
@media (prefers-color-scheme: dark) { .hero h1 span { color: #6f9bff; } }
.hero p.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.hero .shot { border-radius: 28px; box-shadow: 0 24px 60px rgba(2, 83, 252, .28); width: 100%; max-width: 440px; justify-self: center; }
@media (max-width: 820px) { .hero .wrap { grid-template-columns: 1fr; } .hero { padding-top: 40px; } }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue); color: #fff; text-decoration: none;
  padding: 14px 26px; border-radius: 999px; font-weight: 600;
  box-shadow: 0 8px 20px rgba(2, 83, 252, .3);
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--blue); box-shadow: inset 0 0 0 2px var(--blue); }
.stores { display: flex; flex-wrap: wrap; gap: 12px; }
.note { font-size: .85rem; color: var(--muted); margin-top: 14px; }

/* Sections */
section { padding: 56px 0; }
section.soft { background: var(--bg-soft); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); margin: 0 0 10px; letter-spacing: -.01em; }
.sub { color: var(--muted); margin: 0 0 32px; max-width: 40em; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
section.soft .card { background: var(--bg); }
.card .ico { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-size: 1.3rem; margin-bottom: 14px; }
.ico.y { background: color-mix(in srgb, var(--yellow) 30%, transparent); }
.ico.v { background: color-mix(in srgb, var(--violet) 22%, transparent); }
.ico.c { background: color-mix(in srgb, var(--cyan) 25%, transparent); }
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: .97rem; }

.trust { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.trust div { padding: 4px 0 4px 16px; border-left: 4px solid var(--blue); }
.trust strong { display: block; }
.trust span { color: var(--muted); font-size: .95rem; }

/* FAQ */
details { border-bottom: 1px solid var(--border); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Legal pages */
main.legal { max-width: 800px; margin: 0 auto; padding: 48px 20px 72px; }
main.legal h1 { font-size: 2rem; margin: 0 0 6px; color: var(--blue); }
@media (prefers-color-scheme: dark) { main.legal h1 { color: #6f9bff; } }
main.legal h2 { font-size: 1.25rem; margin: 36px 0 8px; }
main.legal .meta { color: var(--muted); font-size: .9rem; margin-bottom: 28px; }
main.legal table { width: 100%; border-collapse: collapse; font-size: .93rem; margin: 12px 0; }
main.legal th, main.legal td { text-align: left; padding: 10px 12px; border: 1px solid var(--border); vertical-align: top; }
main.legal th { background: var(--bg-soft); }
.todo { background: #fff3cd; color: #5c4400; padding: 1px 6px; border-radius: 4px; font-weight: 600; }

footer.site { border-top: 1px solid var(--border); padding: 32px 0; color: var(--muted); font-size: .9rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; }
footer.site a { color: var(--muted); margin-right: 18px; }
footer.site a:hover { color: var(--blue); }

/* Page de traitement des liens d'authentification */
.action-form { display: grid; gap: 8px; max-width: 360px; margin-top: 20px; }
.action-form[hidden], #suite[hidden] { display: none; }
.action-form input { padding: 12px; font: inherit; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text); }
.action-form .btn { margin-top: 8px; border: 0; cursor: pointer; font: inherit; }