/* ==========================================================================
   Boréal Confort — Navigation mega-menu + mobile drawer
   Chargé sur toutes les pages (index, isolation, nano-toiture, carrieres,
   thermopompe-{ville}).
   ========================================================================== */

.nav-item {
  position: relative;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: #1F2E08;
  border-radius: 999px;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  white-space: nowrap;
}
.nav-item:hover { background: rgba(167, 220, 110, 0.15); color: #3D550C; }
.nav-item.active { color: #3D550C; }
.nav-item.active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, #81B622, #3D550C);
  border-radius: 2px;
}
.nav-chev {
  width: 10px;
  height: 10px;
  transition: transform 0.25s ease;
}
.nav-item:hover .nav-chev,
.nav-item.open .nav-chev { transform: rotate(180deg); }

/* Mega menu container */
.mega-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: white;
  border-radius: 20px;
  border: 1px solid #ECECEC;
  box-shadow:
    0 10px 50px -10px rgba(31, 46, 8, 0.25),
    0 0 0 0.5px rgba(0, 0, 0, 0.04);
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 100;
  min-width: 580px;
}
.nav-group:hover .mega-menu,
.mega-menu:hover {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.mega-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
}
.mega-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 14px;
  transition: all 0.25s ease;
  cursor: pointer;
}
.mega-card:hover {
  background: linear-gradient(135deg, #F5FBED 0%, rgba(255, 248, 232, 0.4) 100%);
}
.mega-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #E3F1C8 0%, #C8DB9C 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3D550C;
  flex-shrink: 0;
}
.mega-card-icon.amber {
  background: linear-gradient(135deg, #FFF8E8 0%, #F5C77E 100%);
  color: #B5731F;
}
.mega-card-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 14px;
  color: #1F2E08;
  margin-bottom: 2px;
  letter-spacing: -0.015em;
}
.mega-card-sub {
  font-size: 11.5px;
  color: #6B7E50;
  line-height: 1.4;
}
.mega-card-tag {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 8px;
  background: #3D550C;
  color: white;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
}
.mega-footer {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #F0F0F0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: #6B7E50;
}
.mega-footer-cta {
  color: #3D550C;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}
.mega-footer-cta:hover { gap: 6px; }

/* CTA principal premium */
.btn-cta-premium {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background: linear-gradient(135deg, #1F2E08 0%, #3D550C 100%);
  color: white;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.005em;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.15) inset,
    0 4px 12px -2px rgba(31, 46, 8, 0.4);
  transition: all 0.3s ease;
}
.btn-cta-premium:hover {
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.2) inset,
    0 8px 18px -2px rgba(31, 46, 8, 0.45);
}

/* Phone link discret */
.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  color: #1F2E08;
  border-radius: 999px;
  transition: all 0.25s ease;
}
.nav-phone:hover { background: rgba(167, 220, 110, 0.15); color: #3D550C; }
.nav-phone-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #57E83F;
  box-shadow: 0 0 8px rgba(87, 232, 63, 0.5);
}

/* Mobile menu full screen */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: white;
  z-index: 99;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid #F0F0F0;
}
.mobile-drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}
.mobile-nav-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #1F2E08;
  letter-spacing: -0.02em;
  border-bottom: 1px solid #F5F5F5;
  cursor: pointer;
}
.mobile-nav-item:hover { color: #3D550C; }
.mobile-sub-item {
  display: block;
  padding: 8px 0 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #557010;
  border-left: 2px solid #E3F1C8;
  margin-left: 4px;
}
.mobile-sub-group {
  padding: 6px 0 12px;
  display: none;
}
.mobile-sub-group.open { display: block; }
.mobile-chev {
  transition: transform 0.3s ease;
}
.mobile-nav-item.open .mobile-chev { transform: rotate(180deg); }