:root {
    --primary: #2563eb;
    --bg: #f8fafc;
    --border: #e2e8f0;
}

body { 
    font-family: 'Inter', sans-serif; 
    background-color: var(--bg); 
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    padding: 30px 20px;
    text-align: center;
    background: white;
    border-bottom: 1px solid var(--border);
}

.enserve-logo {
    max-width: 802px;
    height: auto;
}

.container {
    flex: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* 4 kolommen grid voor desktop */
.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); 
    gap: 20px;
}

/* Responsive: 2 kolommen op tablets */
@media (max-width: 900px) {
    .grid { grid-template-columns: repeat(2, 1fr); }
}

/* Responsive: 1 kolom op mobiel */
@media (max-width: 500px) {
    .grid { grid-template-columns: 1fr; }
}

.region-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 3 / 2;
}

.region-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--primary);
}

.region-card img {
    max-width: 80%;
    max-height: 75%;
    object-fit: contain;
}

.info-box {
    margin-top: 40px;
    padding: 20px;
    background: #f1f5f9;
    border-radius: 10px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-size: 0.85rem;
    color: #64748b;
    text-align: center;
    line-height: 1.6;
}
/* Header positioneren zodat hamburger rechts kan hangen */
header {
  position: relative;
}

/* Hamburger knop rechtsboven */
.hamburger {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 10px;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: #111;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Overlay */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 1000;
}

/* Side menu */
.side-menu {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 320px;
  max-width: 85vw;
  background: #fff;
  box-shadow: -8px 0 25px rgba(0,0,0,0.15);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  z-index: 1001;
  padding: 16px;
  display: flex;
  flex-direction: column;
}

/* Header in het menu */
.side-menu__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid #eee;
  margin-bottom: 12px;
}

.side-menu__close {
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

/* Menu links */
.side-menu__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.side-menu__list a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: #111;
  background: #f6f7f9;
}

.side-menu__list a:hover {
  background: #eef1f5;
}

/* Footer onderin menu */
.side-menu__footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid #eee;
  color: #666;
}

/* Open state via class op body */
.menu-open .side-menu {
  transform: translateX(0);
}
.menu-open .overlay {
  opacity: 1;
}

/* Hamburger -> X animatie */
.menu-open .hamburger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.menu-open .hamburger span:nth-child(2) {
  opacity: 0;
}
.menu-open .hamburger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Optioneel: focus styling (toetsenbordvriendelijk) */
.hamburger:focus-visible,
.side-menu__close:focus-visible,
.side-menu__list a:focus-visible {
  outline: 3px solid #2b7cff;
  outline-offset: 2px;
}