/* ===== PRINTAXIS — NAV.CSS ===== */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* LOGO */
.logo {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  text-decoration: none;
}

/* LINKS */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-links a {
  padding: 6px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text2);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
  text-decoration: none;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: var(--surface);
}

/* RIGHT SIDE */
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex-shrink: 0;
}

.btn-theme {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s;
}
.btn-theme:hover { background: var(--surface-hover); }

.btn-devis {
  padding: 8px 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.btn-devis:hover { opacity: 0.9; transform: translateY(-1px); }

/* HAMBURGER */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
  transform-origin: center;
}
/* Hamburger → X */
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   MOBILE — ≤ 900px
   ============================================= */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .btn-devis  { display: none; }

  /* Menu déroulant plein écran */
  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    top: 64px; left: 0; right: 0; bottom: 0;
    background: var(--bg);
    padding: 24px 16px;
    gap: 8px;
    z-index: 999;
    overflow-y: auto;
    /* Caché par défaut */
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    border-top: 1px solid var(--border);
  }

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

  .nav-links a {
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    display: flex;
    align-items: center;
  }
  .nav-links a:hover, .nav-links a.active {
    background: rgba(0,212,255,0.08);
    border-color: rgba(0,212,255,0.3);
    color: var(--accent);
  }

  /* Bouton devis en bas du menu mobile */
  .nav-links::after {
    content: 'Demander un devis →';
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 8px;
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    cursor: pointer;
    text-decoration: none;
  }
}

@media (max-width: 600px) {
  .nav-inner { padding: 0 14px; gap: 12px; }
  .logo { font-size: 1.1rem; }
}