/* Interférence — feuille de style commune (landing + merci). Aucune ressource externe : chargement instantané en 4G. */
:root { --bg:#0b0f0c; --panel:#111814; --line:#1f3a28; --fg:#d9f5e1; --muted:#8fb59b; --acid:#39ff88; --warn:#ffb547; --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--acid); }
.wrap { max-width: 520px; margin: 0 auto; padding: 0 20px; }

.top { display: flex; align-items: center; gap: 8px; padding: 18px 0; font: 800 12px var(--mono); letter-spacing: .2em; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 10px var(--acid); flex: none; }

h1 { font: 800 clamp(34px, 9vw, 46px)/1.05 var(--mono); letter-spacing: -.02em; margin: 18px 0 14px; }
h1 em { font-style: normal; color: var(--acid); }
.sub { color: var(--muted); margin: 0 0 24px; font-size: 18px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.chip { font: 600 13px var(--mono); padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); }
.chip.on { border-color: var(--acid); color: var(--acid); }

form.buy { display: flex; flex-direction: column; gap: 10px; }
input[type=email] { width: 100%; font: 17px var(--mono); color: var(--fg); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; outline: none; }
input[type=email]:focus { border-color: var(--acid); }
.cta { display: block; width: 100%; text-align: center; font: 800 18px system-ui, sans-serif; color: var(--bg); background: var(--acid); border: 0; border-radius: 12px; padding: 17px; cursor: pointer; text-decoration: none; }
.cta:active { transform: translateY(1px); }
.fine { font-size: 13px; color: var(--muted); margin: 10px 0 0; text-align: center; }
.fine a { color: var(--muted); }

.ticks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 8px; font-size: 15px; }
.ticks li::before { content: "✓"; color: var(--acid); font-weight: 800; margin-right: 10px; }

section { padding: 34px 0 0; }
h2 { font: 800 13px var(--mono); letter-spacing: .2em; color: var(--acid); margin: 0 0 14px; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.steps li { counter-increment: s; display: flex; gap: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.steps li::before { content: counter(s); font: 800 22px/1 var(--mono); color: var(--acid); }
.steps b { display: block; }
.steps span { color: var(--muted); font-size: 15px; }

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--acid); font: 800 20px/1 var(--mono); }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); font-size: 15px; margin: 10px 0 0; }

footer { margin-top: 48px; padding: 22px 0 110px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 16px; font: 12px var(--mono); color: var(--muted); }
footer a { color: var(--muted); }

/* Barre d'achat collante, visible quand le formulaire n'est plus à l'écran (mobile surtout) */
.sticky { position: fixed; left: 0; right: 0; bottom: 0; padding: 12px 20px calc(12px + env(safe-area-inset-bottom)); background: rgba(11,15,12,.92); backdrop-filter: blur(8px); border-top: 1px solid var(--line); transform: translateY(110%); transition: transform .25s; }
.sticky.show { transform: none; }
.sticky .cta { max-width: 480px; margin: 0 auto; padding: 14px; font-size: 16px; }

/* Page merci */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px 20px; margin-top: 18px; }
.big-check { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: rgba(57,255,136,.12); border: 1px solid var(--acid); color: var(--acid); font: 800 28px var(--mono); margin-top: 24px; }
.mail { font: 600 16px var(--mono); color: var(--acid); word-break: break-all; }
.desk { display: flex; gap: 14px; align-items: flex-start; }
.desk svg { flex: none; }

@media (min-width: 900px) {
  .wrap { max-width: 560px; }
  .sticky { display: none; }
  footer { padding-bottom: 32px; }
}