header{
    font-family: 'Helvetica', 'Arial', sans-serif;
    color: var(--text-color);
    font-size: 2.5rem;
    font-weight: bold;
}
:root {
    --bg-color: #fff;
    --text-color: #333;
    --secondary-text: #555;
    --link-color: #007bff;
    --header-bg: #fff;
    --menu-bg: #fff;
    --menu-hover: #f0f0f0;
    --spacer-bg: #f5f5f5;
    --footer-bg: #e0e0e0;
    --footer-text: #666;
    --overlay: rgba(0,0,0,0.4);
    --shadow: rgba(0,0,0,0.1);
    --shadow-header: rgba(0,0,0,0.05);
}

.dark-mode {
    --bg-color: #333;
    --text-color: #fff;
    --secondary-text: #ccc;
    --link-color: #4da6ff;
    --header-bg: #222;
    --menu-bg: #444;
    --menu-hover: #555;
    --spacer-bg: #444;
    --footer-bg: #222;
    --footer-text: #ccc;
    --overlay: rgba(0,0,0,0.6);
    --shadow: rgba(0,0,0,0.3);
    --shadow-header: rgba(0,0,0,0.2);
}

html {
  scroll-behavior: smooth;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica', 'Arial', sans-serif;
}
body {
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
    transition: background-color 0.3s, color 0.3s;
}
.menu-icon {
    position: fixed;
    top: 20px;
    left: 20px;
    font-size: 2rem;
    cursor: pointer;
    z-index: 2000;
    background: none;
    border: none;
    color: var(--text-color);
    transition: transform 0.3s ease;
}
.intro-item {
    display: flex;
    flex-direction: row;
    justify-content: center;
    text-align: center;
    align-items: center;
    gap: 20px;
    margin: 20px;
}
.intro-image {
    max-width: 100px;
    height: auto;
}
#side-menu {
  position: fixed;
  top: 0;
  left: -250px;
  width: 250px;
  height: 100%;
  background-color: var(--menu-bg);
  box-shadow: 2px 0 10px var(--shadow);
  display: flex;
  flex-direction: column;
  padding-top: 80px;
  transition: left 0.3s ease;
  z-index: 1500;
}

#side-menu.open {
  left: 0;                
}

#side-menu a {
  padding: 15px 30px;
  text-decoration: none;
  color: var(--text-color);
  font-size: 1.2rem;
  transition: background-color 0.2s ease;
}

#side-menu a:hover {
  background-color: var(--menu-hover);
}
.intro {
    display: flex;
    text-align: center;
    width: 100%;
    height: 70vh;
    background-color: var(--bg-color);
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
#intro-header {
    font-family: 'Helvetica', 'Arial', sans-serif;
    color: var(--text-color);
    font-size: 2.5rem;
    font-weight: bold;
}
#intro-text {
    font-family: 'Helvetica', 'Arial', sans-serif;
    color: var(--text-color);
    font-size: 1.5rem;

}
.logo-intro {
    max-width: 500px;
    height: auto;
    margin-top: 20px;
}

/* Header */
.header {
    transform: ease;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--header-bg);
    box-shadow: 0 2px 10px var(--shadow-header);
    position: sticky;
    top: 0;
    z-index: 1000;
    flex-direction: row;
}
.header.hide {
    top: -100px;
    transition: top 0.3s;
}

.logo {
    max-width: 180px;
    height: auto;
}

/* Hero sections */
.hero, .content-section {
    transition: transform 0.3s ease;
    position: relative;
    width: 100%;
    height: 70vh;
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}
.hero:hover, .content-section:hover {
    transform: scale(1.02);
    .hero-text p, .hero-text h1, .hero-text h2 {
        transition: ease-in-out 0.3s;
        transform: scale(1.05);
    }
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay);
}

/* Hero text */
.hero-text {
    position: relative;
    text-align: center;
    color: #fff;
    padding: 0 20px;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: bold;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}

.hero-text h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 1px 1px 8px rgba(0,0,0,0.5);
}

.hero-text p {
    font-size: 1.5rem;
    font-weight: 300;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    .hero-text h2 {
        font-size: 1.8rem;
    }
    .hero-text p {
        font-size: 1.2rem;
    }
}
.upper-section {
    display: flex;
}
.spacer {
    transition: transform 0.3s ease;
    position: relative;
    width: 50%;
    height: 70vh;
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    text-align: center;
    flex-direction: column;
    background-color: var(--spacer-bg);
}
.hilde {
    display: block;
    margin: 0 auto;
    position: relative;
    width: 150px;
    height: 200px;
    object-fit: cover;
    margin-bottom: 20px;
    transition: transform 0.3s ease;

}
.hilde:hover {
    transform: scale(1.05);
}
.header{
    font-family: sans-serif;
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--text-color);
}
#paragraph {
    font-size: 1.2rem;
    color: var(--secondary-text);
    max-width: 400px;
    margin: 0 auto;
    padding: 0 20px;
}
.footer {
    background-color: var(--footer-bg);
    text-align: center;
    padding: 10px 0;
}
#minitext-footer {
    font-size: 0.9rem;
    color: var(--footer-text);
}

#top-text {
    text-align: center;
    font-family: 'Helvetica', 'Arial', sans-serif;
    color: var(--text-color);
    font-size: 2.5rem;
    font-weight: bold;
    margin: 20px 0;
}
#footer-text {
    color: var(--text-color);
}
.hero-galerij{
    transition: transform 0.3s ease;
    position: relative;
    width: 100%;
    height: 40vh;
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}
.hero-galerij:hover{
    transform: scale(1.02);
    .hero-text p, .hero-text h1, .hero-text h2 {
        transition: ease-in-out 0.3s;
        transform: scale(1.05);
    }
}
.galerij {
    align-items: center;
    text-align: center;
    justify-content: center;
    display: flex;
    gap: 20px;
    padding: 20px;
}

a:link {
    color: var(--link-color);
    text-decoration: none;
}

a:visited {
    color: var(--link-color);
}

a:hover {
    color: var(--link-color);
    opacity: 0.8;
}

a:active {
    color: var(--link-color);
}