/* ==========================================================================
   HEADER.CSS — Verhuislifthuren.eu
   Sticky header met navigatie + bel-knop
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  transition: box-shadow 0.2s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-card);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (min-width: 768px) {
  .header-inner {
    padding: 0 var(--space-lg);
  }
}

/* ---------- Logo ---------- */
.header-logo a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-secondary);
  text-decoration: none;
}

.header-logo a:hover {
  color: var(--color-secondary-dark);
}

.header-logo img {
  height: 70px;
  width: auto;
}

/* ---------- Desktop navigatie ---------- */
.header-nav {
  display: none;
}

@media (min-width: 1024px) {
  .header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
  }
}

.header-nav a {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- Dropdown ---------- */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > a {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown > a .nav-chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.nav-dropdown:hover > a .nav-chevron {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  padding: var(--space-sm) 0;
  z-index: 200;
  margin-top: var(--space-xs);
}

.nav-dropdown:hover .nav-dropdown-menu {
  display: block;
}

/* Invisible bridge between link and dropdown to prevent closing on hover gap */
.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: calc(-1 * var(--space-xs));
  left: 0;
  right: 0;
  height: var(--space-xs);
}

.nav-dropdown-menu a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-dropdown-menu a:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-bottom-color: transparent;
}

.nav-dropdown-menu .dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-xs) 0;
}

.nav-dropdown-menu .dropdown-all {
  font-weight: 700;
  color: var(--color-primary);
}

/* ---------- Header CTA ---------- */
.header-cta {
  display: none;
}

@media (min-width: 768px) {
  .header-cta {
    display: flex;
  }

  .header-cta .btn {
    font-size: 0.875rem;
    padding: 10px 20px;
    white-space: nowrap;
  }
}

/* ---------- Hamburger ---------- */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--color-secondary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }
}

/* ---------- Mobiel menu ---------- */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg);
  z-index: 99;
  overflow-y: auto;
  padding: var(--space-lg) var(--space-md);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: var(--space-md) 0;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu a:hover {
  color: var(--color-primary);
}

.mobile-menu .mobile-cta {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-menu .mobile-cta .btn {
  width: 100%;
  text-align: center;
  justify-content: center;
}

/* ---------- Mobiel dropdown (accordion) ---------- */
.mobile-dropdown {
  border-bottom: 1px solid var(--color-border);
}

.mobile-dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-md) 0;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.mobile-dropdown-toggle .nav-chevron {
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.mobile-dropdown-toggle[aria-expanded="true"] .nav-chevron {
  transform: rotate(180deg);
}

.mobile-dropdown-menu {
  display: none;
  padding-bottom: var(--space-sm);
}

.mobile-dropdown-menu.open {
  display: block;
}

.mobile-dropdown-menu a {
  padding: var(--space-sm) 0 var(--space-sm) var(--space-md);
  font-size: 1rem;
  font-weight: 500;
  border-bottom: none;
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none !important;
  }
}