@charset "utf-8";
/* =========================================================
   NAV VARIABLES
========================================================= */
:root {
  --nav-h:          72px;
  --nav-bg:         var(--clr-navy);
  --nav-text:       rgba(255,255,255,.8);
  --nav-text-hover: #ffffff;
  --nav-sub-bg:     var(--bg-card);
  --nav-sub-border: var(--clr-border);
  --nav-sub-text:   var(--text-primary);
  --nav-breakpoint: 768px;
}

/* =========================================================
   HEADER
========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--nav-bg);
  box-shadow: 0 2px 20px rgba(0,0,0,.25);
}

/* =========================================================
   NAV INNER
========================================================= */
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* =========================================================
   LOGO
========================================================= */
.nav-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
  text-decoration: none;
}

.nav-logo img {
  height: 44px;
  width: auto;
  display: block;
}

/* =========================================================
   NAV LIST — gedeeld desktop + mobiel
========================================================= */
.nav-list {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* =========================================================
   NAV LINKS (niveau 1)
========================================================= */
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: .5rem .85rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--nav-text);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-body);
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.nav-link:hover,
.has-sub:hover > .nav-link,
.has-sub:focus-within > .nav-link {
    background: rgba(000, 000, 000, 0.8);
    color: #fff;
}

/* =========================================================
   CHEVRON
========================================================= */
.chevron {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.has-sub:hover > .nav-link .chevron,
.has-sub:focus-within > .nav-link .chevron,
.has-sub[data-open] > .nav-link .chevron {
  transform: rotate(180deg);
}

/* =========================================================
   SUBMENUS — niveau 2
========================================================= */
.sub-l2 {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--nav-sub-bg);
  border: 1px solid var(--nav-sub-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: .5rem;
  list-style: none;
  margin: 0;

  /* verborgen state */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.has-sub {
  position: relative;
}

/* desktop: hover + focus-within opent submenu */
@media (min-width: 769px) {
  .has-sub:hover > .sub-l2,
  .has-sub:focus-within > .sub-l2 {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* mobiel: data-open attribuut opent submenu */
.has-sub[data-open] > .sub-l2 {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* =========================================================
   SUB LINKS (niveau 2)
========================================================= */
.sub-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: .55rem .85rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--nav-sub-text);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-body);
  text-decoration: none;
  text-align: left;
  transition: background var(--transition), color var(--transition);
}

.sub-link:hover,
.has-sub:hover > .sub-link,
.has-sub:focus-within > .sub-link {
  background: var(--clr-sky-light);
  color: var(--clr-navy);
}

/* =========================================================
   SUBMENUS — niveau 3
========================================================= */
.sub-l3 {
  position: absolute;
  top: 0;
  left: calc(100% + 6px);
  min-width: 200px;
  background: var(--nav-sub-bg);
  border: 1px solid var(--nav-sub-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: .5rem;
  list-style: none;
  margin: 0;

  opacity: 0;
  visibility: hidden;
  transform: translateX(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.sub-l3 a {
  display: block;
  padding: .5rem .85rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

@media (min-width: 769px) {
  .has-sub:hover > .sub-l3,
  .has-sub:focus-within > .sub-l3 {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }
}

.has-sub[data-open] > .sub-l3 {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.sub-l3 a:hover {
  background: var(--clr-sky-light);
  color: var(--clr-navy);
}

/* =========================================================
   NAV ACTIONS
========================================================= */
.nav-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

/* =========================================================
   HAMBURGER — verborgen op desktop
========================================================= */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: rgba(255,255,255,.8);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   OVERLAY
========================================================= */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: -1;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* =========================================================
   MOBIEL — alles onder 768px
========================================================= */
@media (max-width: 768px) {

  .hamburger {
    display: flex;
  }

  /* nav-list wordt een verticaal uitklapmenu */
  .nav-list {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    background: var(--bg-card);
    overflow-y: auto;
    padding: .5rem 0 2rem;
    gap: 0;

    /* verborgen state */
    transform: translateX(-100%);
    visibility: hidden;
    transition: transform var(--transition-slow), visibility var(--transition-slow);
  }

  .nav-list.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  /* niveau 1 items krijgen een border */
  .nav-list > li {
    border-bottom: 1px solid var(--clr-border);
  }

  .nav-list > li:last-child {
    border-bottom: none;
  }

  /* niveau 1 links: vol breedte, links uitgelijnd */
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: .9rem 1.25rem;
    font-size: var(--fs-base);
    border-radius: 0;
    color: var(--text-primary);
  }

  .nav-link:hover {
    background: var(--clr-sky-light);
    color: var(--clr-navy);
  }

  /* submenus: niet absoluut maar inline uitklappen */
  .sub-l2,
  .sub-l3 {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    border-top: 1px solid var(--clr-border);
    background: var(--bg-body);
    padding: 0;
    min-width: 0;
    width: 100%;

    /* verborgen via max-height */
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transition: max-height var(--transition-slow);
  }

  .has-sub[data-open] > .sub-l2,
  .has-sub[data-open] > .sub-l3 {
    max-height: 600px;
  }

  /* sub-links inlopen */
  .sub-link {
    padding: .75rem 1.25rem .75rem 2rem;
    border-bottom: 1px solid var(--clr-border);
    color: var(--text-secondary);
    border-radius: 0;
    width: 100%;
  }

  .sub-link:last-child {
    border-bottom: none;
  }

  /* niveau 3: nog verder inlopen */
  .sub-l3 a {
    padding: .65rem 1.25rem .65rem 3rem;
    border-radius: 0;
    border-top: 1px solid var(--clr-border);
    color: var(--text-secondary);
  }

  /* chevron op mobiel altijd zichtbaar */
  .chevron {
    width: 16px;
    height: 16px;
  }

  /* B2B knop verbergen op heel klein scherm */
  .nav-actions .btn-primary {
    display: none;
  }
}

@media (max-width: 380px) {
  .nav-actions .btn-primary {
    display: none;
  }
}