/* HEADER GLOBAL */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(140%) blur(8px);
  background: linear-gradient(180deg, rgba(17,24,39,0.85), rgba(17,24,39,0.6));
  border-bottom: 1px solid #1f2937;
}

/* CONTENEUR INTERNE */
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* LOGO + TITRE */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #1f2937;
}

.brand .title {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand .subtitle {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: -4px;
}

/* MENU DESKTOP */
.menu-desktop {
  display: flex;
  gap: 22px;
  align-items: center;
}

.menu-item {
  position: relative;
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 4px;
  transition: color .25s ease;
}

.menu-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 2px;
  transition: width .25s ease;
}

.menu-item:hover {
  color: var(--accent);
}

.menu-item:hover::after {
  width: 100%;
}

/* BOUTON CONTACT */
.menu-btn {
  padding: 8px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), #ef4444);
  border: 1px solid #ef4444;
  box-shadow: 0 6px 18px rgba(245,158,11,0.25);
  transition: transform .15s ease, box-shadow .2s ease;
}

.menu-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(245,158,11,0.35);
}

/* --- BOUTON BURGER --- */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.burger span {
  width: 26px;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  transition: 0.3s ease;
}

/* --- MENU MOBILE (hors du header) --- */
.menu-mobile {
  position: fixed;
  top: 0;
  right: -260px;
  width: 240px;
  height: 100vh;
  background: rgba(17,24,39,0.98);
  border-left: 1px solid #1f2937;
  padding: 80px 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  transition: right 0.3s ease;
  z-index: 9999;
}

.menu-mobile.open {
  right: 0;
}

/* --- OVERLAYS --- */
.menu-blur {
  position: fixed;
  inset: 0;
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
  z-index: 800;
}

.menu-blur.show {
  opacity: 1;
}

.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
  z-index: 850;
}

.menu-overlay.show {
  opacity: 1;
  pointer-events: all;
}

/* --- RESPONSIVE --- */
@media (max-width: 840px) {
  .burger {
    display: flex;
  }

  .menu-desktop {
    display: none;
  }

  .menu-item,
  .menu-btn {
    font-size: 18px;
    padding: 10px 0;
  }

  .burger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .burger.active span:nth-child(2) {
    opacity: 0;
  }

  .burger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}
.contact-response-page {
  display: flex;
  justify-content: center;
  padding: 120px 20px;
}

.contact-response {
  max-width: 700px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 40px;
  border-radius: 14px;
  text-align: center;
  backdrop-filter: blur(6px);
}

.contact-response h1 {
  margin-bottom: 12px;
}

.contact-response p {
  color: #cbd5e1;
  margin-bottom: 24px;
}

.contact-btn {
  display: inline-block;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--primary), #ef4444);
  color: white;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  transition: 0.2s ease;
}

.contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(239,68,68,0.35);
}