:root {
  --primary-color: #3498db;
  --secondary-color: #2ecc71;
  --text-color: #333333;
  --background-color: #f7fbfb;
  --accent-color: #e74c3c;
  --heading-color: #224455;
  --menu-hover-color: #ff6b6b;
  --footer-color: #a4cae6;
  --content-padding: 20px;
}

body {
  background: var(--background-color);
  color: var(--text-color);
  font: 12pt 'Anek Bangla', sans-serif;
  line-height: 1.6;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  grid-template-columns: 1fr 4fr 1fr;
  grid-template-areas: 
      "header header header"
      "hero hero hero"
      "leftside main rightside"
      "footer footer footer";
  min-height: 100vh;
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* Nieuwe classes voor sidebar handling */
body.no-left-sidebar {
  grid-template-columns: 0 1fr 0;
}

body.no-right-sidebar {
  grid-template-columns: 1fr 4fr 0;
}

body.no-left-sidebar.no-right-sidebar {
  grid-template-columns: 1fr;
  grid-template-areas: 
      "header"
      "hero"
      "main"
      "footer";
}

body.no-left-sidebar.no-right-sidebar main {
    padding: 0;
    width: 100%;
}

h1, h2, h3, h4 {
  font-family: 'Acme', sans-serif;
  color: var(--heading-color);
  margin-bottom: 0;
}

h2 {
    font-size: 1.17em;
}

h3 {
    font-size: 1.05em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
    color: inherit;
    text-decoration: underline;
}

a:hover {
    color: #ff6b6b;
}

header { 
  grid-area: header;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  width: 100%;
  background-color: white;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: relative;
  z-index: 1000;
  box-sizing: border-box;
}

header img {
  max-width: 200px;
  height: auto;
}

.hero-section {
    grid-area: hero;
    padding: 30px var(--content-padding);
    background-color: #f7fbfb;
    width: 100%;
    box-sizing: border-box;
}

.hero-section h1 {
    font-size: 2.4em;
    margin-bottom: 12px;
    color: var(--heading-color);
}

.hero-text {
    font-size: 1.2em;
    line-height: 1.6;
    max-width: 800px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
    width: 100%;
    box-sizing: border-box;
}

/* Aanpassing voor services grid wanneer geen sidebars */
body.no-left-sidebar.no-right-sidebar .services-grid {
    width: 100%;
    padding: 0 var(--content-padding);
    margin: 0 0 40px 0;
    box-sizing: border-box;
}

.hero-section + .services-grid {
    margin-top: 20px;
}

.service-item {
    padding: 25px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    box-sizing: border-box;
}

footer {
  grid-area: footer;
  background-color: var(--footer-color);
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
  width: 100%;
  box-sizing: border-box;
}

main { 
  grid-area: main;
  padding: var(--content-padding);
  width: 100%;
  box-sizing: border-box;
}

.leftside { 
  grid-area: leftside;
  padding: var(--content-padding);
}

.rightside { 
  grid-area: rightside;
  padding: var(--content-padding);
}

.vertical-menu {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.vertical-menu li {
  margin-bottom: 5px;
}

.vertical-menu a {
  display: block;
  padding: 5px 0;
  color: var(--heading-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.horizontal-menu {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
}

.horizontal-menu > li {
    position: relative;
    margin-right: 20px;
}

.horizontal-menu a {
    color: var(--heading-color);
    text-decoration: none;
}

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

.horizontal-menu .current {
    color: #999;
}

.horizontal-menu .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 200px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 1000;
    list-style: none;
    padding: 0;
}

.horizontal-menu .has-submenu:hover .submenu {
    display: block;
}

.horizontal-menu .submenu li {
    padding: 0;
}

.horizontal-menu .submenu a,
.horizontal-menu .submenu span.current {
    display: block;
    padding: 10px 15px;
    text-decoration: none;
    color: var(--heading-color);
}

.horizontal-menu .submenu a:hover {
    color: var(--menu-hover-color);
}

.horizontal-menu .has-submenu > a::after {
    content: "▼";
    display: inline-block;
    margin-left: 5px;
    font-size: 0.8em;
}

img {
  max-width: 100%;
  height: auto;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 50%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-group textarea {
    width: 100%;
    height: 100px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-group input[type="submit"] {
    background-color: #f0f0f0;
    color: #333;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-group input[type="submit"]:hover {
    background-color: #d0d0d0;
}

.errors {
    color: red;
    margin-bottom: 15px;
}

.success {
    color: green;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    html, body {
        overflow-x: hidden;
        position: relative;
        width: 100%;
    }

    body,
    body.no-left-sidebar,
    body.no-right-sidebar,
    body.no-left-sidebar.no-right-sidebar {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "header"
            "hero"
            "main"
            "rightside"
            "footer";
    }
    
    .leftside { 
        display: none;
    }
    
    header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .horizontal-menu {
        flex-direction: column;
        padding-left: 20px;
        width: 100%;
        margin-top: 10px;
    }
    
    .horizontal-menu li {
        margin-right: 0;
        margin-bottom: 5px;
    }

    .horizontal-menu .submenu {
        position: static;
        display: none;
        box-shadow: none;
        padding-left: 20px;
    }

    .horizontal-menu .has-submenu:hover .submenu {
        display: block;
    }
    
    header img {
        max-width: 180px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        padding: 15px;
        margin: 0;
    }
    
    .service-item {
        margin-bottom: 20px;
    }
    
    .hero-section {
        padding: 30px 15px;
    }
    
    .hero-section h1 {
        font-size: 2em;
    }

    main {
        padding: 0 15px;
    }

    main p {
        margin-left: 0;
        margin-right: 0;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="tel"] {
        width: 100%;
        margin: 0;
        box-shadow: 0 0 0 1px #ddd;
    }

    .form-group {
        padding: 0 15px;
    }
}