/* Header global*/
header {
/*essais pour la barre de nav qui est masqué en mobile*/
  position: fixed;
    width: 100%;
    left: 0; right: 0; top: 0; z-index: 99;
/*
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: saturate(1.2) blur(10px);*/
  background: var(--back);
  border-bottom: 1px solid var(--edge);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: clamp(8px, 2vw, 14px) clamp(2px, 5vw, 8px);
}

/* LOGO */
.header-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.header-logo img {
  height: 50px;
  width: auto;
}

.site-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

html[data-theme="dark"] .site-name {
  color: #f1f5f9;
}

/* Bouton thème */
.theme-btn {
  border: 1px solid var(--edge);
  border-radius: 12px;
  padding: 1px 2px;
  background: var(--surface);
  cursor: pointer;
  transition: 0.25s ease;
}
.theme-btn:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}


/* NAV LINKS */
#menu-toggle {
  display: none;
}

.links {
  display: flex;
  gap: clamp(1px, 2vw, 8px);
  align-items: center;
}

.links > a,
.links > .nav-item > a,
label.wave {
  font: inherit;
  font-size: clamp(0.85rem, calc(1vw + 0.5rem), 1rem);
  padding: clamp(6px, 1vw, 8px) clamp(1px, 1.5vw, 8px);
  border-radius: 12px;
  color: var(--muted);
  transition: 0.25s ease;
}

.links a:hover,
label.wave:hover {
  color: var(--text);
  background: rgba(255,255,255,.08);
}

.links .cta {
  font-size: clamp(0.85rem, 1vw + 0.5rem, 1rem);
  padding: clamp(6px, 1vw, 10px) clamp(10px, 1.5vw, 14px);
  background: linear-gradient(135deg, var(--primary), #7dd3fc);
  color: #0b1022;
  font-weight: 700;
}

/* Effet wave */
.wave span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.wave:hover span {
  transform: translateY(-5px);
}

/* montée au survol */
.wave:hover span:nth-child(1) { transition-delay: 0s; }
.wave:hover span:nth-child(2) { transition-delay: 0.05s; }
.wave:hover span:nth-child(3) { transition-delay: 0.1s; }
.wave:hover span:nth-child(4) { transition-delay: 0.15s; }
.wave:hover span:nth-child(5) { transition-delay: 0.2s; }
.wave:hover span:nth-child(6) { transition-delay: 0.25s; }
.wave:hover span:nth-child(7) { transition-delay: 0.3s; }
.wave:hover span:nth-child(8) { transition-delay: 0.35s; }
.wave:hover span:nth-child(9) { transition-delay: 0.4s; }
.wave:hover span:nth-child(10) { transition-delay: 0.45s; }
.wave:hover span:nth-child(11) { transition-delay: 0.5s; }
.wave:hover span:nth-child(12) { transition-delay: 0.55s; }
.wave:hover span:nth-child(13) { transition-delay: 0.6s; }

/* descente au repos */
.wave span:nth-child(1) { transition-delay: 0.6s; }
.wave span:nth-child(2) { transition-delay: 0.55s; }
.wave span:nth-child(3) { transition-delay: 0.5s; }
.wave span:nth-child(4) { transition-delay: 0.45s; }
.wave span:nth-child(5) { transition-delay: 0.4s; }
.wave span:nth-child(6) { transition-delay: 0.35s; }
.wave span:nth-child(7) { transition-delay: 0.3s; }
.wave span:nth-child(8) { transition-delay: 0.25s; }
.wave span:nth-child(9) { transition-delay: 0.2s; }
.wave span:nth-child(10) { transition-delay: 0.15s; }
.wave span:nth-child(11) { transition-delay: 0.1s; }
.wave span:nth-child(12) { transition-delay: 0.05s; }
.wave span:nth-child(13) { transition-delay: 0s; }

/* MENU DÉROULANT */
.nav-item {
  position: relative;
  display: inline-block;
}

.has-submenu > a,
.submenu a,
.submenu-trigger,
.submenu-trigger-mobile {
  display: flex;
  align-items: center;
}

/* Toujours afficher l'icône chevron */
.chevron {
  display: inline-block;
}

/*Chevron*/
.has-submenu > a::after,
.submenu-trigger .chevron,
.submenu-trigger-mobile .chevron {
  content: "";
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 6px solid currentColor;
  transform: rotate(0deg);
  transition: transform .2s ease;
  margin-left: 10px;
}

/* rotation chevron */
.nav-item.has-submenu:hover > a::after,
.nav-item.has-submenu:hover > .submenu-trigger-mobile .chevron,
.submenu .nav-item.has-submenu:hover > .submenu-trigger .chevron {
  transform: rotate(180deg);
}
.nav-item.has-submenu:focus-within > a::after,
.nav-item.has-submenu:focus-within > .submenu-trigger-mobile .chevron,
.submenu .nav-item.has-submenu:focus-within > .submenu-trigger .chevron {
  transform: rotate(180deg);
}

.submenu {
  margin-top: 0;
  position: absolute;
  top: 100%;
  left: 0;

  min-width: 220px;
  display: flex;
  flex-direction: column;
  gap: 4px;

  padding: 12px;
  border-radius: 14px;

  background: var(--card);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);

  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: .22s ease;
  z-index: 50;
}

.nav-item:hover > .submenu,
.submenu .nav-item:hover > .submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.nav-item:focus-within > .submenu,
.submenu .nav-item:focus-within > .submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* garde visible tant que la souris est dans le panneau */
.nav-item > .submenu:hover {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.submenu .nav-item {
  width: 100%;
}

.submenu .nav-item .submenu {
  left: 100%;
  margin-left: -1px;
  top: 0;
}

.submenu a,
.submenu-trigger,
.submenu-trigger-mobile {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  font: inherit;
  transition: 0.25s ease;
}

.submenu-trigger {
  background: none;
}

.submenu a:hover,
.submenu-trigger:hover,
.submenu-trigger-mobile:hover {
  background: rgba(255,255,255,.08);
  color: var(--primary);
}

/* MENU MOBILE : base (le responsive est dans responsive.css) */
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--edge);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.hamburger span {
  width: 18px;
  height: 2px;
  background: var(--muted);
  position: relative;
}

.hamburger span::before,
.hamburger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--muted);
}

.hamburger span::before {
  top: -6px;
}

.hamburger span::after {
  top: 6px;
}

.submenu-toggle {
  display: none;
  pointer-events: none;
}
/*
.no-scroll {
  overflow: hidden;
  height: 100vh;
}
*/

.monBoutonThem{
  color: var(--text);
}