/* ==========================================================================
   Main navigation met dropdown menu
   Toegankelijk via hover en toetsenbord (focus)
   Op mobiel klapt alles uit als accordion
   ========================================================================== */

.site-nav-list .has-submenu {
  position: relative;
}

.site-nav-list .nav-toggle-sub {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: none;
  border: 0;
  padding: var(--sp-2) 0;
  margin: 0;
  font: inherit;
  font-weight: var(--fw-semibold);
  color: var(--color-navy);
  font-size: var(--fs-sm);
  line-height: 1;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.site-nav-list .nav-toggle-sub .chevron {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.site-nav-list .has-submenu:hover .nav-toggle-sub,
.site-nav-list .has-submenu:focus-within .nav-toggle-sub,
.site-nav-list .nav-toggle-sub[aria-expanded="true"] {
  color: var(--color-accent);
}

.site-nav-list .has-submenu:hover .nav-toggle-sub .chevron,
.site-nav-list .has-submenu:focus-within .nav-toggle-sub .chevron,
.site-nav-list .nav-toggle-sub[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

/* De dropdown zelf */
.submenu {
  list-style: none;
  margin: 0;
  padding: var(--sp-3);
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 260px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition-base), transform var(--transition-base),
              visibility var(--transition-base);
  z-index: 90;
}

.submenu::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 12px;
}

.site-nav-list .has-submenu:hover > .submenu,
.site-nav-list .has-submenu:focus-within > .submenu,
.site-nav-list .has-submenu .nav-toggle-sub[aria-expanded="true"] + .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu li {
  margin: 0;
}

.submenu a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--sp-3) var(--sp-4);
  color: var(--color-navy);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  border-bottom: 0;
}

.submenu a .submenu-desc {
  font-size: var(--fs-xs);
  font-weight: var(--fw-regular);
  color: var(--color-text-secondary);
}

.submenu a:hover,
.submenu a:focus-visible {
  background-color: var(--color-offwhite);
  color: var(--color-accent);
}

.submenu a:hover .submenu-desc,
.submenu a:focus-visible .submenu-desc {
  color: var(--color-text-secondary);
}

.submenu-divider {
  list-style: none;
  margin: var(--sp-2) 0;
  padding: 0;
  height: 1px;
  background-color: var(--color-border-soft);
}

.submenu-overview {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.submenu-overview:hover {
  gap: var(--sp-3);
}

/* ============================== Mobile nav elementen ============================== */
/* Deze elementen zijn alleen zichtbaar in het uitgeklapte mobile menu.
   Op desktop blijven ze verborgen. */
.nav-mobile-header,
.nav-mobile-contact {
  display: none;
}

/* ============================== MOBIEL ============================== */
@media (max-width: 820px) {
  .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    background: transparent;
    padding: var(--sp-2) 0 var(--sp-2) var(--sp-5);
    min-width: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }

  .site-nav-list .has-submenu .nav-toggle-sub[aria-expanded="true"] + .submenu {
    max-height: 600px;
  }

  .site-nav-list .nav-toggle-sub {
    width: 100%;
    justify-content: space-between;
    font-size: var(--fs-lg);
    padding: var(--sp-2) 0;
  }

  .submenu a {
    padding: var(--sp-2) var(--sp-3);
    font-size: var(--fs-md);
  }

  .submenu::before {
    display: none;
  }

  /* Mobile header bovenaan het uitgeklapte menu: logo links, kruisje rechts */
  .nav-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--sp-6);
    margin-bottom: var(--sp-4);
    border-bottom: 1px solid var(--color-border-soft);
  }

  .nav-mobile-logo img {
    height: 40px;
    width: auto;
    display: block;
  }

  /* Mobile contact blok onderaan het uitgeklapte menu */
  .nav-mobile-contact {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    margin-top: var(--sp-6);
    padding-top: var(--sp-6);
    border-top: 1px solid var(--color-border-soft);
  }

  .nav-mobile-contact-label {
    font-family: var(--font-heading);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: var(--sp-2);
  }

  .nav-contact-item {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    color: var(--color-navy);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-md);
    text-decoration: none;
    padding: var(--sp-2) 0;
  }

  .nav-contact-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-accent);
  }

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

  /* In mobile menu verbergen we de losse .nav-close (bovenin rechts van logo zit nu in .nav-mobile-header) */
  .site-nav > .nav-close {
    display: none;
  }
}