:root {
    --color-primary: #3d8c80;
    --color-secondary: #d9a46b;
    --ink: #2a5955;
    --paper: #f8f5ef;
    --mist: #e8eee9;
    --serif: 'Playfair Display', Georgia, serif;
    --sans: 'DM Sans', sans-serif;
    --radius: 4px;
}

.menu-toggle { display: none; }

@media (min-width: 769px) {
  .menu-toggle { display: none !important; }

  nav.primary-nav { display: block; position: relative; z-index: 60; }

  nav.primary-nav > ul#main-menu {
    display: flex;
    align-items: center;
    gap: 25px;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  nav.primary-nav li { position: relative; }
  nav.primary-nav a {
    display: block;
    color: var(--ink);
    font-family: var(--sans);
    font-size: 15px;
    font-weight: 600;
    padding: 8px 0;
    text-decoration: none;
  }
  nav.primary-nav a:hover,
  nav.primary-nav .current-menu-item > a { color: var(--color-primary); }

  nav.primary-nav .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(0,0,0,.12);
    border-radius: var(--radius);
    padding: 8px 0;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
    z-index: 70;
  }

  nav.primary-nav li.menu-item-has-children:hover > .sub-menu,
  nav.primary-nav li.menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  nav.primary-nav .sub-menu li { width: 100%; }
  nav.primary-nav .sub-menu a { padding: 8px 16px; white-space: nowrap; }

  /* le bouton toggle n'a aucun role visuel/fonctionnel en desktop */
  nav.primary-nav .submenu-toggle {
    display: none;
  }

  .submenu-arrow {
    display: inline-block;
    margin-left: 6px;
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(12%);
  }
  nav.primary-nav li.menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    margin-left: 6px;
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    vertical-align: middle;
  }
}

/* MOBILE */
@media (max-width: 768px) {
  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    cursor: pointer;
    z-index: 100;
  }
  .menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    transition: transform .2s ease, opacity .2s ease;
  }

  nav.primary-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--paper);
    transform: translateX(100%);
    transition: transform .25s ease;
    z-index: 90;
    overflow-y: auto;
    padding: 88px 24px 24px;
  }
  nav.primary-nav.is-open { transform: translateX(0); }

  nav.primary-nav > ul#main-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  nav.primary-nav li { position: relative; width: 100%; }

  nav.primary-nav > ul#main-menu > li {
    border-bottom: 1px solid var(--mist);
  }

  nav.primary-nav a {
    display: block;
    color: var(--ink);
    font-family: var(--sans);
    font-size: 17px;
    font-weight: 600;
    padding: 14px 48px 14px 4px;
    text-decoration: none;
  }

  /* IMPORTANT : le bouton doit être positionné et cliquable au-dessus du lien */
  li.has-submenu-toggle {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }
  li.has-submenu-toggle > a {
    flex: 1 1 auto;
    width: auto;
  }

  button.submenu-toggle {
    position: relative;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 0;
    background: transparent;
    cursor: pointer;
    z-index: 20;
    pointer-events: auto;
  }

  .submenu-arrow {
    display: block;
    width: 9px;
    height: 9px;
    border-right: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
    transform: rotate(45deg);
    transition: transform .2s ease;
  }
  li.is-open > button.submenu-toggle .submenu-arrow {
    transform: rotate(-135deg);
  }

  /* le sous-menu : cache par defaut, affiche via .is-open sur le li parent */
  nav.primary-nav .sub-menu {
    flex-basis: 100%;
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .3s ease, opacity .3s ease;
  }

  li.is-open > .sub-menu {
    max-height: 600px;
    opacity: 1;
  }

  nav.primary-nav .sub-menu a {
    padding: 12px 12px 12px 20px;
    font-size: 15px;
    font-weight: 500;
    border-top: 1px solid var(--mist);
  }
}