/* ═══════════════════════════════════════════════════
   NAV — Sticky, translucide, avec indicateur actif
   ═══════════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}

.nav.scrolled {
  background: rgba(4, 14, 7, 0.92);
  backdrop-filter: blur(20px) saturate(1.5);
  box-shadow: 0 1px 0 rgba(45,140,78,0.15), var(--shadow-md);
}

.nav-inner {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--canopy), var(--leaf));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--glow-green);
  flex-shrink: 0;
  border: 1px solid rgba(94,196,107,0.3);
  transition: transform 0.3s var(--ease-out);
}

.nav-logo:hover .nav-logo-icon {
  transform: rotate(-5deg) scale(1.05);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav-logo-main {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--white);
  letter-spacing: 2px;
}

.nav-logo-sub {
  font-family: var(--font-ui);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--lime);
  text-transform: uppercase;
  margin-top: 2px;
}

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ash);
  border-radius: var(--radius-sm);
  transition: color 0.3s, background 0.3s;
}

.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--lime);
  border-radius: 1px;
}

.nav-link .nav-icon {
  font-size: 14px;
}

/* CTA Button */
.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 20px;
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--lime);
  text-transform: uppercase;
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--silver);
  border-radius: 1px;
  transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.nav-mobile {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: rgba(4, 14, 7, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transform: translateX(101%);
  transition: transform 0.4s var(--ease-out);
}

.nav-mobile.open { transform: translateX(0); }

.nav-mobile .nav-link {
  font-size: 16px;
  padding: 16px 20px;
  border: 1px solid var(--slate);
  border-radius: var(--radius-md);
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}