:root {
  --bg: #0b0b0f;
  --bg-soft: #14141b;
  --card: rgba(255,255,255,.04);
  --border: rgba(255,255,255,.09);
  --text: #f5f5f7;
  --muted: #a1a1aa;
  --red-top: #ff5670;
  --red: #fa0e34;
  --glass: #ffdbe2;
  --radius: 22px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }
h1, h2, h3 { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", sans-serif; letter-spacing: -.02em; line-height: 1.1; }
h2 { font-size: clamp(30px, 4.5vw, 46px); text-align: center; margin-bottom: 14px; }
.lead { color: var(--muted); text-align: center; max-width: 620px; margin: 0 auto 48px; font-size: 19px; }
section { padding: 96px 0; }

/* Nav */
nav { position: sticky; top: 0; z-index: 10; backdrop-filter: saturate(180%) blur(18px); -webkit-backdrop-filter: saturate(180%) blur(18px); background: rgba(11,11,15,.72); border-bottom: 1px solid var(--border); }
nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; text-decoration: none; }
.brand img { width: 30px; height: 30px; }
.nav-links { display: flex; gap: 26px; align-items: center; font-size: 15px; }
.nav-links a { text-decoration: none; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
@media (max-width: 720px) { .nav-links a:not(.btn) { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border: 0; cursor: pointer; text-decoration: none; font: inherit; font-weight: 650;
  color: #fff; border-radius: 999px; padding: 15px 30px; font-size: 18px;
  background: linear-gradient(180deg, var(--red-top), var(--red));
  box-shadow: 0 10px 30px -8px rgba(250,14,52,.65), inset 0 1px 0 rgba(255,255,255,.35);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -8px rgba(250,14,52,.8), inset 0 1px 0 rgba(255,255,255,.35); filter: brightness(1.05); }
.btn:active { transform: translateY(0) scale(.98); }
.btn.small { padding: 8px 18px; font-size: 15px; }
.btn.ghost { background: transparent; box-shadow: inset 0 0 0 1px var(--border); color: var(--text); }
.btn.ghost:hover { background: var(--card); }
form.buy { display: inline; }
.micro { color: var(--muted); font-size: 14px; margin-top: 14px; }

/* Hero */
.hero { padding: 88px 0 40px; text-align: center; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: -200px 0 auto; height: 700px; z-index: -1;
  background: radial-gradient(600px 380px at 50% 30%, rgba(250,14,52,.28), transparent 70%);
}
.hero-icon { width: 128px; height: 128px; filter: drop-shadow(0 20px 40px rgba(250,14,52,.45)); animation: float 5s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-8px); } }
.hero h1 { font-size: clamp(42px, 7.5vw, 80px); margin: 22px auto 18px; max-width: 900px; }
.hero h1 em { font-style: normal; background: linear-gradient(180deg, #ff8095, var(--red)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { font-size: clamp(18px, 2.4vw, 22px); color: var(--muted); max-width: 640px; margin: 0 auto 34px; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: center; margin-top: 30px; color: var(--muted); font-size: 14px; }
.facts span::before { content: "✓ "; color: var(--red-top); font-weight: 700; }

/* Demo */
.demo { padding-top: 40px; }
.demo-frame {
  position: relative; border-radius: 26px; overflow: hidden; aspect-ratio: 2160 / 1426;   /* format exact de la démo : aucun recadrage */
  border: 1px solid var(--border); background: #000;
  box-shadow: 0 50px 120px -30px rgba(250,14,52,.35), 0 30px 60px -30px #000;
}
.demo-frame video, .demo-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.demo-caption { text-align: center; color: var(--muted); font-size: 14px; margin-top: 16px; }

/* Cards */
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.card .ico { font-size: 28px; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; background: rgba(250,14,52,.12); margin-bottom: 16px; }
.card h3 { font-size: 20px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 16px; }

/* Steps */
.steps { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); counter-reset: step; }
.step { text-align: center; padding: 30px 20px; }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 44px; height: 44px; margin: 0 auto 16px; border-radius: 50%; background: linear-gradient(180deg, var(--red-top), var(--red)); font-weight: 700; }
.step h3 { font-size: 19px; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 16px; }
kbd { font: 600 14px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--bg-soft); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 6px; padding: 1px 7px; }

/* Proof */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 18px; text-align: center; margin-bottom: 40px; }
.stat b { display: block; font-size: 38px; letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: 15px; }
.quotes { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.quote p { font-size: 17px; margin-bottom: 14px; }
.quote small { color: var(--muted); }
.early { text-align: center; color: var(--muted); }

/* Pricing */
.price-card { max-width: 440px; margin: 0 auto; text-align: center; padding: 40px 34px; position: relative; background: linear-gradient(180deg, rgba(250,14,52,.10), rgba(255,255,255,.03)); }
.price { font-size: 72px; font-weight: 750; letter-spacing: -.03em; line-height: 1; margin: 14px 0 4px; }
.price small { font-size: 22px; color: var(--muted); font-weight: 500; }
.price-card ul { list-style: none; text-align: left; margin: 28px auto; display: grid; gap: 10px; max-width: 300px; }
.price-card li::before { content: "✓"; color: var(--red-top); font-weight: 800; margin-right: 10px; }
.secure { color: var(--muted); font-size: 13px; margin-top: 14px; }

/* Install */
.install ol { max-width: 640px; margin: 0 auto; display: grid; gap: 12px; padding-left: 22px; color: var(--muted); }
.install ol b { color: var(--text); }
.install code { font: 14px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--bg-soft); border: 1px solid var(--border); padding: 2px 6px; border-radius: 6px; color: var(--text); word-break: break-all; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
details { border-bottom: 1px solid var(--border); padding: 20px 4px; }
summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--muted); font-size: 24px; line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin-top: 10px; }

/* Final CTA */
.final { text-align: center; padding: 110px 0; background: radial-gradient(520px 300px at 50% 60%, rgba(250,14,52,.22), transparent 70%); }
.final h2 { margin-bottom: 26px; }

footer { border-top: 1px solid var(--border); padding: 34px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
footer a { text-decoration: none; margin-left: 18px; }
footer a:hover { color: var(--text); }

@media (prefers-reduced-motion: reduce) { .hero-icon { animation: none; } html { scroll-behavior: auto; } }

/* Sélecteur de langue */
.lang { font-size: 13px; font-weight: 650; letter-spacing: .04em; text-decoration: none; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px; }
.lang:hover { color: var(--text); background: var(--card); }
@media (max-width: 720px) { .nav-links a.lang { display: inline-block; } }