/* Sauvetage — landing statique. Zéro dépendance externe, polices système. */

:root {
  --bg: #0b0b0f;
  --bg-2: #13131a;
  --card: #17171f;
  --line: #2a2a36;
  --text: #f4f4f6;
  --muted: #a9a9b8;
  --accent: #d7ff3a;
  --accent-ink: #0b0b0f;
  --bad: #ff4d5e;
  --good: #3dffa2;
  --radius: 18px;
  --wrap: 1160px;
  --font: "Inter", "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.08; letter-spacing: -0.03em; margin: 0; }
p { margin: 0; }
a { color: inherit; }
code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: rgba(215, 255, 58, 0.1);
  color: var(--accent);
  padding: 0.1em 0.35em;
  border-radius: 5px;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }

.skip {
  position: absolute; left: 1rem; top: -4rem;
  background: var(--accent); color: var(--accent-ink);
  padding: 0.6rem 1rem; border-radius: 8px; font-weight: 700; z-index: 100;
}
.skip:focus { top: 1rem; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-weight: 800; text-decoration: none; letter-spacing: -0.01em;
  border-radius: 999px; padding: 0.8rem 1.4rem; border: 2px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: #e6ff7a; }
.btn--ghost { border-color: var(--line); color: var(--text); background: transparent; }
.btn--ghost:hover { border-color: var(--accent); }
.btn--dark { background: var(--bg); color: var(--accent); }
.btn--dark:hover { background: #000; }
.btn--sm { padding: 0.55rem 1rem; font-size: 0.95rem; }
.btn--lg { padding: 1rem 1.7rem; font-size: 1.1rem; }
.btn--block { width: 100%; margin-top: auto; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 11, 15, 0.86);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar__in { display: flex; align-items: center; gap: 1rem; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; font-weight: 900; font-size: 1.15rem; text-decoration: none; letter-spacing: -0.03em; }
.brand__mark {
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent); color: var(--accent-ink); font-size: 1rem; font-weight: 900;
}
.brand__dot { color: var(--accent); }
.nav { display: none; margin-left: auto; gap: 1.75rem; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 0.95rem; }
.nav a:hover { color: var(--text); }
.topbar .btn { margin-left: auto; }
@media (min-width: 820px) {
  .nav { display: flex; }
  .topbar .btn { margin-left: 0.5rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 4.5rem 0 4rem;
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(215, 255, 58, 0.16), transparent 60%),
    radial-gradient(40rem 25rem at -10% 110%, rgba(255, 77, 94, 0.12), transparent 60%),
    var(--bg);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 30%, transparent 95%);
  -webkit-mask-image: linear-gradient(to bottom, #000 30%, transparent 95%);
}
.hero .wrap { position: relative; z-index: 1; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 0.82rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.4rem 0.9rem;
  background: rgba(19, 19, 26, 0.7);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 0 rgba(61,255,162,0.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(61,255,162,0); } 100% { box-shadow: 0 0 0 0 rgba(61,255,162,0); } }

.hero h1 {
  margin-top: 1.5rem; max-width: 18ch;
  font-size: clamp(2.3rem, 7.2vw, 5rem); font-weight: 900; letter-spacing: -0.045em;
}
.hl {
  color: var(--accent);
  background: linear-gradient(transparent 72%, rgba(215, 255, 58, 0.22) 72%);
}
.lead { margin-top: 1.4rem; max-width: 60ch; font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2rem; }
.cta-row--center { justify-content: center; }
.hero__facts {
  list-style: none; padding: 0; margin: 3rem 0 0;
  display: grid; gap: 0.75rem; grid-template-columns: 1fr;
}
.hero__facts li { border-left: 3px solid var(--accent); padding: 0.2rem 0 0.2rem 0.9rem; color: var(--muted); }
.hero__facts strong { color: var(--text); font-weight: 800; }
@media (min-width: 700px) { .hero__facts { grid-template-columns: repeat(3, auto); justify-content: start; gap: 2.5rem; } }
@media (min-width: 900px) { .hero { padding: 7rem 0 6rem; } }

/* ---------- Sections ---------- */
.section { padding: 4.5rem 0; }
section[id] { scroll-margin-top: 72px; }
.section--alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { .section { padding: 6.5rem 0; } }
.kicker {
  font-family: var(--mono); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--accent); margin-bottom: 1rem;
}
.section h2, .final h2 { font-size: clamp(1.9rem, 4.6vw, 3.2rem); font-weight: 900; max-width: 22ch; }
.sub { margin-top: 1rem; color: var(--muted); max-width: 62ch; font-size: 1.1rem; }
.sub strong { color: var(--text); }

/* ---------- Pains ---------- */
.pains { list-style: none; padding: 0; margin: 2.75rem 0 0; display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .pains { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .pains { grid-template-columns: repeat(3, 1fr); } }
.pain {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; position: relative; overflow: hidden;
}
.pain::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--bad); }
.pain__icon {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px;
  background: rgba(255, 77, 94, 0.12); font-size: 1.5rem; margin-bottom: 1rem;
}
.pain h3 { font-size: 1.2rem; font-weight: 800; }
.pain p { margin-top: 0.5rem; color: var(--muted); font-size: 0.98rem; }

/* ---------- Offers ---------- */
.offers { display: grid; gap: 1.25rem; margin-top: 3rem; grid-template-columns: 1fr; align-items: stretch; }
@media (min-width: 960px) { .offers { grid-template-columns: repeat(3, 1fr); } }
.offer {
  display: flex; flex-direction: column; gap: 0.85rem;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem 1.6rem; position: relative;
}
.offer--featured {
  border: 2px solid var(--accent);
  background: linear-gradient(180deg, rgba(215, 255, 58, 0.09), var(--card) 45%);
  box-shadow: 0 20px 60px -20px rgba(215, 255, 58, 0.35);
}
@media (min-width: 960px) { .offer--featured { transform: translateY(-14px); } }
.badge {
  position: absolute; top: -14px; left: 1.6rem;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 900; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em;
  padding: 0.3rem 0.8rem; border-radius: 999px;
}
.offer__name { font-size: 1.35rem; font-weight: 900; }
.offer__price { font-size: clamp(2.2rem, 5vw, 2.8rem); font-weight: 900; letter-spacing: -0.04em; line-height: 1; }
.offer--featured .offer__price { color: var(--accent); }
.offer__time { font-family: var(--mono); font-size: 0.9rem; color: var(--muted); }
.offer__pitch { color: var(--text); }
.checks { list-style: none; padding: 0; margin: 0.25rem 0 0; display: grid; gap: 0.55rem; }
.checks li { position: relative; padding-left: 1.75rem; color: var(--muted); }
.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 0.05em;
  width: 1.2rem; height: 1.2rem; display: grid; place-items: center;
  font-size: 0.75rem; font-weight: 900; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
}
.offer__note { font-size: 0.88rem; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 0.85rem; margin-bottom: 0.75rem; }
.footnote { margin-top: 2rem; color: var(--muted); font-size: 0.95rem; text-align: center; }

/* ---------- Proof ---------- */
.proof { display: grid; gap: 1rem; margin-top: 3rem; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 820px) { .proof { grid-template-columns: 1fr auto 1fr 1fr; } }
.proof__arrow { font-size: 2.5rem; font-weight: 900; color: var(--muted); text-align: center; transform: rotate(90deg); }
@media (min-width: 820px) { .proof__arrow { transform: none; } }
.tile {
  border-radius: var(--radius); padding: 1.75rem 1.5rem; border: 1px solid var(--line); background: var(--card);
}
.tile__label { font-family: var(--mono); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }
.tile__num { font-size: clamp(5rem, 14vw, 8rem); font-weight: 900; line-height: 0.95; letter-spacing: -0.06em; margin-top: 0.5rem; }
.tile__unit { font-size: 0.45em; letter-spacing: 0; margin-left: 0.1em; }
.tile__cap { font-size: 1.2rem; font-weight: 800; }
.tile__more { color: var(--muted); font-size: 0.92rem; margin-top: 0.25rem; }
.tile--bad { border-color: rgba(255, 77, 94, 0.5); background: linear-gradient(160deg, rgba(255, 77, 94, 0.16), var(--card) 60%); }
.tile--bad .tile__num { color: var(--bad); }
.tile--good { border-color: rgba(61, 255, 162, 0.5); background: linear-gradient(160deg, rgba(61, 255, 162, 0.14), var(--card) 60%); }
.tile--good .tile__num { color: var(--good); }
.tile--time .tile__num { color: var(--accent); }

.fixes { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 0.75rem; grid-template-columns: 1fr; }
@media (min-width: 820px) { .fixes { grid-template-columns: repeat(2, 1fr); } }
.fixes li { padding: 1rem 1.2rem; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: var(--bg-2); }
.fixes strong { color: var(--text); }
.proof__foot { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: center; }
.disclaimer { flex: 1 1 320px; font-size: 0.85rem; color: var(--muted); }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; margin: 3rem 0 0; display: grid; gap: 1rem; grid-template-columns: 1fr; counter-reset: none; }
@media (min-width: 700px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { padding: 1.75rem 1.5rem; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.step__n { display: block; font-family: var(--mono); font-weight: 700; font-size: 2.4rem; color: var(--accent); line-height: 1; margin-bottom: 1rem; }
.step h3 { font-size: 1.2rem; font-weight: 800; }
.step p { margin-top: 0.5rem; color: var(--muted); font-size: 0.98rem; }

/* ---------- Guarantees ---------- */
.guarantees { display: grid; gap: 1rem; margin-top: 3rem; grid-template-columns: 1fr; }
@media (min-width: 700px) { .guarantees { grid-template-columns: repeat(2, 1fr); } }
.guarantee { padding: 1.6rem 1.5rem; border-top: 3px solid var(--accent); background: var(--card); border-radius: 0 0 var(--radius) var(--radius); }
.guarantee h3 { font-size: 1.25rem; font-weight: 900; }
.guarantee p { margin-top: 0.5rem; color: var(--muted); }

/* ---------- Final CTA ---------- */
.final { background: var(--accent); color: var(--accent-ink); padding: 5rem 0; text-align: center; }
@media (min-width: 900px) { .final { padding: 7rem 0; } }
.final__in { display: flex; flex-direction: column; align-items: center; }
.final h2 { font-size: clamp(2.2rem, 6vw, 4rem); max-width: 18ch; }
.final .lead { color: #2b2f12; margin-left: auto; margin-right: auto; }
.contact { margin-top: 1.75rem; font-weight: 600; }
.contact a { font-weight: 800; text-underline-offset: 4px; }
.final :focus-visible { outline-color: var(--accent-ink); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--muted); font-size: 0.9rem; }
.footer__in { display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; justify-content: space-between; }