/* AUTONOMIA LAB — public landing
   Style sobre, premium, mobile-first.
   Aucune dépendance externe. Aucun script. */

:root {
  --bg:          #0a0a0a;
  --bg-elev:    #141414;
  --border:     #24231f;
  --text:       #ece9e1;
  --text-soft:  #a8a59b;
  --accent:     #c9a85a;
  --accent-soft:#a78a45;
  --radius:     6px;
  --container:  720px;
  --font:       -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 400;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--text);
}

.status {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* HERO */

.hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--border);
}

.hero-title {
  font-size: clamp(2.1rem, 6vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 24px;
  color: var(--text);
}

.hero-lead {
  font-size: clamp(1.25rem, 3.5vw, 1.55rem);
  color: var(--accent);
  margin: 0 0 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-soft);
  margin: 0 0 36px;
  max-width: 520px;
}

/* SECTIONS */

.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}

.section:last-of-type {
  border-bottom: none;
}

.section-title {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin: 0 0 24px;
  font-weight: 600;
}

/* LISTES */

.list-plain {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.list-plain li {
  padding-left: 16px;
  position: relative;
  color: var(--text);
  font-size: 1rem;
}

.list-plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

.list-plain strong {
  color: var(--text);
  font-weight: 600;
}

/* PRODUIT */

.product-card {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: grid;
  gap: 12px;
}

.product-name {
  font-size: 1.25rem;
  margin: 0;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.005em;
}

.product-value {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
}

.product-price {
  margin: 4px 0 12px;
  color: var(--accent);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* BOUTONS */

.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  cursor: pointer;
  user-select: none;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  outline: none;
}

/* FOOTER */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
}

.footer-inner {
  display: grid;
  gap: 6px;
}

.footer-brand {
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--text);
}

.footer-meta {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.footer-meta a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-soft);
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--accent-soft);
  outline: none;
}

.footer-note {
  margin: 4px 0 0;
  color: var(--text-soft);
  font-size: 0.82rem;
  opacity: 0.85;
}

/* RESPONSIVE */

@media (max-width: 520px) {
  body {
    font-size: 16px;
  }

  .hero {
    padding: 56px 0 44px;
  }

  .section {
    padding: 44px 0;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .status {
    font-size: 0.68rem;
  }

  .product-card {
    padding: 22px 18px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}

/* ACCESSIBILITÉ */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}