/* ReponzIA — design system partagé (index, legal, privacy) */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #06060b;
  --bg-card: #0c0c14;
  --accent: #00e59b;
  --accent-dim: #00c583;
  --accent-glow: rgba(0, 229, 155, 0.12);
  --accent-glow-strong: rgba(0, 229, 155, 0.25);
  --text: #e8eaed;
  --text-dim: #a8acb8;
  --text-muted: #6a6d7e;
  --border: #1a1a2e;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Grain overlay commun */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* === NAV === */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  backdrop-filter: blur(20px);
  background: rgba(6, 6, 11, 0.8);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.nav-brand {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: -0.02em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}
.nav-brand svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.nav-brand svg rect.bar {
  transform-origin: center;
  animation: wave 1.6s ease-in-out infinite;
}
.nav-brand svg rect.bar:nth-child(2) { animation-delay: 0.15s; }
.nav-brand svg rect.bar:nth-child(3) { animation-delay: 0.3s; }
.nav-brand svg rect.bar:nth-child(4) { animation-delay: 0.45s; }
@keyframes wave {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.55); }
}

.nav-links {
  display: flex;
  gap: 2rem;
  margin: 0 auto;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--bg);
  background: var(--accent);
  padding: 0.6rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: all 0.3s;
  flex-shrink: 0;
}
.nav-cta:hover {
  box-shadow: 0 0 30px var(--accent-glow-strong);
  transform: translateY(-1px);
}

.nav-back {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.3s;
  flex-shrink: 0;
}
.nav-back:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* === BADGES === */
.badge {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  white-space: nowrap;
  display: inline-block;
}
.badge--available {
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0, 229, 155, 0.25);
}
.badge--wip {
  color: #f5a524;
  background: rgba(245, 165, 36, 0.1);
  border: 1px solid rgba(245, 165, 36, 0.25);
}

/* === FOOTER === */
footer {
  position: relative;
  z-index: 1;
  padding: 3.5rem 2rem 2.5rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

footer p {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  line-height: 1.6;
}

.footer-brand {
  color: var(--text-dim) !important;
  font-size: 0.78rem !important;
}

.footer-legal {
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  align-items: center;
}

.footer-links .sep {
  opacity: 0.4;
}

.footer-copy {
  margin-top: 0.5rem;
  font-size: 0.68rem !important;
  opacity: 0.6;
}

footer a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
footer a:hover { opacity: 0.75; }

/* === RESPONSIVE commun === */
@media (max-width: 960px) {
  .nav-links { display: none; }
}

@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
}