/* ═══════════════════════════════════════════════════
   ELAN — Navigation
   ═══════════════════════════════════════════════════ */

.nav-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: var(--nav-bg);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-slow);
}

.nav-wrapper.scrolled {
  border-color: var(--nav-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 68px;
}

/* ──────────────────────────────── LOGO */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}

.nav-logo:hover { opacity: 0.8; }

.logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: linear-gradient(135deg, var(--yellow) 0%, var(--blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ──────────────────────────────── LIENS */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  padding: 8px 16px;
  font-family: var(--font-title);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-2);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--yellow);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--text);
}

.nav-link:hover::after {
  width: calc(100% - 32px);
}

.nav-link.active {
  color: var(--text);
}

.nav-link.active::after {
  width: calc(100% - 32px);
}

.nav-cta {
  background: var(--yellow);
  color: #0d0f1a !important;
  padding: 9px 20px;
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(250, 180, 40, 0.3);
  transition: all var(--transition-base) !important;
}

.nav-cta::after { display: none; }

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(250, 180, 40, 0.5) !important;
  background: var(--yellow-light) !important;
}

/* ──────────────────────────────── CONTRÔLES */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Theme toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--surface-hover);
  border-color: var(--yellow);
}

.theme-icon {
  position: absolute;
  font-size: 1rem;
  transition: all var(--transition-base);
  line-height: 1;
}

[data-theme="dark"] .theme-icon.sun  { opacity: 0; transform: rotate(180deg) scale(0); }
[data-theme="dark"] .theme-icon.moon { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .theme-icon.moon { opacity: 0; transform: rotate(-180deg) scale(0); }
[data-theme="light"] .theme-icon.sun  { opacity: 1; transform: rotate(0deg) scale(1); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}

.burger:hover {
  background: var(--surface-hover);
  border-color: var(--yellow);
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: all var(--transition-base);
}

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

/* ──────────────────────────────── RESPONSIVE */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--nav-border);
    flex-direction: column;
    padding: 20px var(--container-pad) 28px;
    gap: 4px;
    transform: translateY(-110%);
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 12px 16px;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
    margin-top: 8px;
  }

  .burger {
    display: flex;
  }
}

/* ──────────────────────────────── LINKEDIN */
.nav-linkedin::after {
  background: #0a66c2 !important;
}

.nav-linkedin:hover {
  color: #0a66c2 !important;
}

/* ──────────────────────────────── THEME TOGGLE — plus visible en dark */
[data-theme="dark"] .theme-toggle {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

[data-theme="dark"] .theme-icon.moon {
  color: var(--yellow);
  font-size: 1.1rem;
}

[data-theme="dark"] .theme-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--yellow);
}

/* ──────────────────────────────── LOGO TEXT — dégradé jaune→bleu clair */
[data-theme="dark"] .logo-text,
[data-theme="light"] .logo-text {
  background: linear-gradient(135deg, var(--yellow) 0%, var(--blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}