:root {
    
    --primary-color: #DA2C38; 
    --secondary-color: #87C38F; 
    --accent-color: #F4F0BB; 
    --dark-bg: #43291F; 
    --light-bg: #faf8f3; 
    --text-dark: #464343ea; 
    --text-light: #ffffff; 

    --font-heading: 'Bebas Neue', sans-serif;
    --font-body: 'Crimson Text', serif;

    --spacing-xs: 0.5rem; 
    --spacing-sm: 1rem; 
    --spacing-md: 2rem; 
    --spacing-lg: 4rem; 
    --spacing-xl: 6rem; 

    --container-width: 1200px; 

    --transition: all 0.3s ease; 
}

* {
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

body {
    font-family: var(--font-body); 
    color: var(--text-dark); 
    background-color: var(--light-bg); 
    line-height: 1.6; 
    overflow-x: hidden; 
}

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

ul {
    list-style: none; 
}

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

.container-centraal {
    max-width: var(--container-width); 
    margin: 0 auto; 
    padding: 0 var(--spacing-md); 
}

.site-header {
    background-color: var(--dark-bg); 
    color: var(--text-light); 
    padding: var(--spacing-sm) 0; 
    position: sticky; 
    top: 0; 
    z-index: 100; 
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3); 
}

.site-header .container-centraal {
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    flex-wrap: wrap; 
    gap: var(--spacing-md); 
}

.logo h1 {
    font-family: var(--font-heading); 
    font-size: 1.8rem; 
    font-weight: 900; 
    color: var(--accent-color); 
    letter-spacing: 1.6px; 
}

.navigatie ul {
    display: flex; 
    gap: var(--spacing-md); 
    flex-wrap: wrap; 
}

.navigatie a {
    color: var(--text-light); 
    font-weight: 600; 
    font-size: 1rem; 
    padding: 0.5rem 1rem; 
    border-radius: 8px; 
    transition: var(--transition); 
}

.navigatie a:hover {
    background-color: var(--primary-color); 
    transform: translateY(-10px); 
}

.navigatie a.active {
    background-color: var(--primary-color); 
}

.page-header {
    
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                url('https://picsum.photos/id/345/1920/1080') center /cover no-repeat;
    
    padding: var(--spacing-lg) 0; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    color: var(--text-light); 
    position: relative; 
    overflow: hidden; 
}

.page-header h2 {
    font-family: var(--font-heading); 
    font-size: 3.5rem; 
    font-weight: 900; 
    letter-spacing: 1.6px; 
    margin-bottom: var(--spacing-sm); 
    position: relative; 
    z-index: 1; 
    text-shadow: 0 10px 10px rgba(0, 0, 0, 0.7); 
}

.page-header p {
    font-size: 1.2rem;
    letter-spacing: 1.6px; 
    position: relative; 
    z-index: 1; 
    opacity: 0.98; 
    text-shadow: 0 5px 5px rgba(0, 0, 0, 0.35);
}

.header-content {
    animation: fadeInUp 0.8s ease-out; 

}

.poster {
    
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                url('https://picsum.photos/id/155/1920/1080') center/cover no-repeat;
    
    height: 80vh; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    color: var(--text-light); 
    position: relative; 
    overflow: hidden; 
}

.poster-content {
    max-width: 800px; 
    padding: var(--spacing-md); 
    animation: fadeInUp 1s ease-out; 
    
}

.poster-title {
    font-family: var(--font-heading); 
    font-size: 4rem; 
    font-weight: 900; 
    margin-bottom: var(--spacing-sm); 
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7); 
    letter-spacing: 1.6px; 
}

.poster-subtitle {
    font-size: 1.3rem; 
    margin-bottom: var(--spacing-md); 
    opacity: 0.95; 
    font-weight: 300; 
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.poster-buttons {
    display: flex; 
    gap: var(--spacing-md); 
    justify-content: center; 
    flex-wrap: wrap; 
}

.btn {
    padding: 1rem 2.5rem; 
    font-size: 1.1rem; 
    font-weight: 600; 
    border-radius: 50px; 
    cursor: pointer; 
    transition: var(--transition); 
    display: inline-block; 
    border: 2px solid transparent; 
}

.btn-vast {
    background-color: var(--primary-color); 
    color: var(--text-light); 
    box-shadow: 0 4px 15px rgba(212, 104, 46, 0.3); 
}

.btn-vast:hover {
    background-color: #830000; 
    transform: translateX(-1px); 
    box-shadow: 0 6px 20px rgba(212, 104, 46, 0.4); 
}

.btn-transp {
    background-color: transparent; 
    color: var(--text-light); 
    border: 2px solid var(--text-light); 
}

.btn-transp:hover {
    background-color: var(--text-light); 
    color: var(--dark-bg); 
}

.btn-link {
    color: var(--primary-color); 
    font-weight: 600; 
    display: inline-block; 
    margin-top: var(--spacing-xs); 
}

.btn-link:hover {
    color: var(--secondary-color); 
    transform: translateX(5px); 
}

.opties {
    padding: var(--spacing-lg) 0 var(--spacing-xl); 
    background-color: var(--light-bg); 
}

.section-title {
    font-family: var(--font-heading); 
    font-size: 3rem; 
    text-align: center; 
    margin-bottom: var(--spacing-lg); 
    color: var(--secondary-color); 
    position: relative; 
}

.section-title::after {
    content: ''; 
    display: block; 
    width: 100px; 
    height: 4px; 
    background-color: var(--accent-color); 
    margin: 1rem auto 0; 
    border-radius: 2px; 
}

.opties-grid {
    display: grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap: var(--spacing-md); 
}

.optie-kaarten {
    background: white; 
    border-radius: 12px; 
    overflow: hidden; 
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1); 
    transition: var(--transition); 
    animation: fadeIn 1s ease-in-out; 

    display: flex; 
    flex-direction: column; 
}

.optie-kaarten:hover {
    transform: translateY(-10px); 
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); 
}

.optie-kaarten img {
    width: 100%; 
    height: 200px; 
    object-fit: cover; 
    transition: var(--transition); 
}

.optie-kaarten:hover img {
    transform: scale(1.15); 
}

.optie-kaarten h3 {
    font-family: var(--font-heading); 
    font-size: 1.5rem; 
    margin: var(--spacing-sm); 
    color: var(--secondary-color); 
}

.optie-kaarten p {
    padding: 0 var(--spacing-sm); 
    margin-bottom: var(--spacing-sm); 
    color: var(--text-dark); 
    line-height: 1.6; 
    flex-grow: 1; 
}

.optie-kaarten .btn-link {
    padding: 0 var(--spacing-sm); 
    margin-bottom: var(--spacing-sm); 
    display: inline-block; 
}

.site-footer {
    background-color: var(--dark-bg); 
    color: var(--text-light); 
    padding: var(--spacing-lg) 0 var(--spacing-sm) 0; 
}

.footer-grid {
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: var(--spacing-lg); 
    margin-bottom: var(--spacing-md); 
}

.footer-column h3 {
    color: var(--accent-color); 
    font-size: 1.3rem; 
    margin-bottom: var(--spacing-sm); 
    font-family: var(--font-heading); 
}

.footer-column p {
    margin-bottom: 0.5rem; 
    opacity: 0.9; 
}

.social-icons {
    display: flex; 
    gap: var(--spacing-sm); 
}

.social-icons a {
    width: 40px; 
    height: 40px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    border-radius: 50%; 
    font-weight: bold; 
    transition: var(--transition); 
}
.social-icons .Facebook-icon a{
    background-color: rgb(24, 119, 242);
}
.social-icons .Instagram-icon a{
    background: linear-gradient(45deg, #833AB4, #C13584, #E1306C, #F56040, #FCAF45);
}
.social-icons .LinkedIn-icon a{
    background-color: rgb(10, 102, 194);
}

.social-icons a:hover {
    transform: scale(1.1) rotate(6deg); 
}

.footer-bottom {
    text-align: center; 
    padding-top: var(--spacing-sm); 
    border-top: 1px solid rgba(255, 255, 255, 0.2); 
    opacity: 0.8; 
}

@keyframes fadeInUp {
    
    from {
        opacity: 0; 
        transform: translateY(20px); 
    }
    
    to {
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes fadeIn {
    
    from {
        opacity: 0; 
    }
    
    to {
        opacity: 1; 
    }
}

@media (max-width: 768px) {
    
    .opties-grid {
        grid-template-columns: repeat(2, 1fr); 
    }

    .poster-title {
        font-size: 3rem; 
    }

    .section-title {
        font-size: 2.5rem; 
    }

    .page-header h2 {
        font-size: 2.5rem; 
    }

    .page-header p {
        font-size: 1.1rem; 
    }

    .navigatie ul {
        gap: var(--spacing-sm); 
    }

    .footer-grid {
        gap: var(--spacing-md); 
    }
}

@media (max-width: 480px) {
    
    .opties-grid {
        grid-template-columns: 1fr; 
    }

    .footer-grid {
        grid-template-columns: 1fr; 
    }

    .poster-title {
        font-size: 2.3rem; 
        letter-spacing: 1px; 
    }

    .poster-subtitle {
        font-size: 1.1rem; 
    }

    .section-title {
        font-size: 2rem; 
    }

    .page-header {
        padding: var(--spacing-lg) 0; 
    }

    .page-header h2 {
        font-size: 2rem; 
    }  

    .logo h1 {
        font-size: 1.5rem; 
    }

    .navigatie ul {
        flex-direction: column; 
        gap: 1.2rem; 
        align-items: center;
    }

    .navigatie {
        width: 100%;  
    }

    .poster-buttons {
        flex-direction: column; 
        align-items: center; 
    }

    .btn {
        width: 100%; 
        max-width: 300px; 
    }

    .site-header .container-centraal {
        flex-direction: column; 
        gap: var(--spacing-sm);  
    }
    .site-header{
        padding: var(--spacing-sm);
    }
}