body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #1a1a1a; /* Dark background */
    color: #cccccc; /* Light grey text */
    overflow-x: hidden; /* Prevent horizontal scroll */
}

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

/* Language Toggle - Hide the non-active language span */
body.lang-en .lang-nl {
    display: none;
}

body.lang-nl .lang-en {
    display: none;
}

.language-toggle {
    position: absolute;
    top: 40px; /* Adjusted position downwards */
    right: 20px;
    z-index: 100;
    font-size: 0.9em;
}

.language-toggle button {
    background: none;
    border: none;
    color: #cccccc;
    cursor: pointer;
    padding: 0 5px;
    font-size: 1em;
}

.language-toggle button.active {
    color: #00bfff; /* Blue highlight color */
    font-weight: bold;
}

/* Header */
header {
    background-color: rgba(26, 26, 26, 0.9); /* Slightly transparent dark */
    color: #ffffff;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 50;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative; /* Needed for absolute language toggle positioning */
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.logo {
    font-size: 1.8em;
    font-weight: bold;
    color: #00bfff; /* Blue highlight for logo */
    display: flex; /* Use flexbox to align text parts */
    flex-direction: column; /* Stack text parts */
    align-items: flex-start; /* Align text to the start */
}

.logo-subtitle {
    font-size: 0.6em; /* Make the subtitle smaller */
    font-weight: normal; /* Less bold than the main name */
    color: #cccccc; /* Slightly less prominent color */
    margin-top: -5px; /* Pull it closer to the main name */
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap; /* Allow nav items to wrap */
    justify-content: center; /* Center nav items if they wrap */
}

nav li {
    margin-left: 20px;
}

nav a {
    color: #cccccc;
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #00bfff; /* Blue highlight on hover */
}

/* Hero Section */
#hero {
    background-image: url('hero-background.jpg');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    text-align: center;
    padding: 150px 20px 100px; /* Adjust padding for fixed header */
    position: relative;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6); /* Overlay for better text readability */
}

.hero-content {
    position: relative;
    z-index: 1;
}

#hero h1 {
    font-size: 2.8em;
    margin-bottom: 30px;
    font-weight: 700;
}

.hero-buttons .button {
    margin: 10px;
}

.button {
    display: inline-block;
    background-color: #00bfff; /* Blue */
    color: #1a1a1a; /* Dark text on blue */
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: 2px solid transparent;
    font-weight: bold;
}

.button:hover {
    background-color: #0099cc; /* Darker blue */
    transform: translateY(-2px);
}

.button.secondary {
    background-color: transparent;
    color: #00bfff;
    border: 2px solid #00bfff;
}

.button.secondary:hover {
    background-color: #00bfff;
    color: #1a1a1a;
}

/* Sections */
section {
    padding: 80px 0;
}

section:nth-child(odd) {
    background-color: #222222; /* Slightly lighter dark for contrast */
}

section h2 {
    font-size: 2.2em;
    text-align: center;
    margin-bottom: 40px;
    color: #00bfff; /* Blue highlight */
    font-weight: 700;
}

/* About Section */
.about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.about-image {
    flex: 0.7 1 250px; /* Adjusted: smaller flex-grow and base for a smaller image area */
    text-align: center;
}

.about-image img {
    max-width: 100%; /* Still responsive within its container */
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.about-text {
    flex: 2 1 400px; /* Remains larger flex-grow */
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1em;
}

/* Services Section */
.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #2a2a2a; /* Dark card background */
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 5px solid #00bfff; /* Blue accent */
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.service-card .icon {
    margin-bottom: 20px;
}

.service-card .icon svg {
    width: 50px;
    height: 50px;
    fill: #00bfff; /* Blue icon color */
}

.service-card h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: #eeeeee; /* Lighter heading */
}

.service-card p {
    font-size: 1em;
    color: #cccccc;
}

/* Proud Moments Section */
.proud-section p {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Dutch Culture Section */
.culture-section blockquote {
    font-size: 1.8em;
    font-style: italic;
    text-align: center;
    margin: 0;
    color: #00bfff; /* Blue quote */
}

/* Testimonials Section */
.testimonial-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.testimonial-card {
    background-color: #2a2a2a; /* Dark card background */
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    flex: 1 1 300px; /* Allow cards to wrap */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-left: 5px solid #00bfff; /* Blue accent */
}

.testimonial-card .quote {
    font-size: 1.1em;
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-card .author {
    text-align: right;
    font-weight: bold;
    color: #eeeeee;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.contact-info p {
    margin-bottom: 20px;
    font-size: 1.1em;
}

.contact-info a {
     color: #00bfff; /* Blue link */
     text-decoration: none;
     transition: color 0.3s ease;
}
.contact-info a:hover {
    text-decoration: underline;
}

.contact-buttons .button {
    margin-right: 15px;
    margin-bottom: 15px; /* For smaller screens */
}

.contact-form-container {
    /* Ensure form container takes available space or wraps */
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #eeeeee;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #555555; /* Grey border */
    background-color: #333333; /* Darker input background */
    color: #cccccc;
    border-radius: 5px;
    box-sizing: border-box; /* Include padding and border in element's total width */
    font-size: 1em;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: #00bfff; /* Blue focus highlight */
    outline: none;
    box-shadow: 0 0 5px rgba(0, 191, 255, 0.5);
}

.contact-form textarea {
    resize: vertical; /* Allow vertical resizing */
}

/* Footer */
footer {
    background-color: #111111; /* Even darker footer */
    color: #888888;
    text-align: center;
    padding: 40px 20px; /* Added padding-right/left */
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.certifications {
    margin-bottom: 20px;
}

.cert-logo {
    height: 50px; /* Adjust size as needed */
    margin: 0 15px;
    vertical-align: middle;
    filter: grayscale(100%); /* Make logos grayscale */
    opacity: 0.7; /* Slightly dim them */
    transition: opacity 0.3s ease;
}

.cert-logo:hover {
    opacity: 1;
    filter: grayscale(0%); /* Color on hover */
}

.footer-quote {
    font-size: 1.2em;
    font-style: italic;
    margin: 20px 0;
    color: #cccccc;
}

.trusted-clients {
    margin-top: 20px;
    margin-bottom: 15px; /* Space before copyright */
    font-size: 0.9em;
    color: #aaaaaa; /* Slightly lighter than footer text */
}

.trusted-clients span:first-child,
.trusted-clients .lang-nl {
    font-weight: bold;
    margin-right: 10px;
    color: #cccccc; /* Highlight the "Trusted Clients" text */
}

.client-list {
    display: inline; /* Keep the client list inline with the "Trusted Clients" text */
}

.client-list span {
    margin-right: 10px; /* Space between company names */
}

.client-list span:last-child {
    margin-right: 0; /* No margin after the last name */
}

footer p {
    font-size: 0.9em;
    margin-top: 15px; /* Added margin */
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .logo {
        margin-bottom: 15px;
         align-items: center; /* Center text when logo is the main item */
    }

    /* Add space after the navigation block on smaller screens */
    nav {
        margin-bottom: 20px; /* Added margin */
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav li {
        margin: 5px 0;
    }

    /* Remove specific margin from last list item, nav margin handles spacing now */
    /* nav ul li:last-child { margin-bottom: 20px; } */

    .language-toggle {
        position: static; /* Allow it to flow in the layout */
        /* Remove top margin as nav margin handles spacing now */
         margin-top: 15px; /* Added a margin-top for spacing in mobile layout */
    }

    #hero {
        padding: 120px 20px 80px; /* Adjust padding */
    }

    #hero h1 {
        font-size: 2em;
    }

    .about-content {
        flex-direction: column;
    }

    .about-image {
        margin-bottom: 20px;
        flex: 1 1 auto; /* Revert flex for mobile to stack */
        max-width: 60%; /* Limit max width of image container on mobile */
        margin-left: auto; /* Center image container */
        margin-right: auto; /* Center image container */
    }

    .about-image img {
        max-width: 100%; /* Image fills its now smaller container */
    }

    .about-text {
         flex: 1 1 auto; /* Revert flex for mobile to stack */
    }

    .service-card {
        padding: 20px;
    }

    .testimonial-cards {
        flex-direction: column;
    }

    .testimonial-card {
        max-width: 100%;
    }

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

    .contact-buttons .button {
        margin-right: 0;
        display: block;
        text-align: center;
    }

    .certifications {
        /* Center certifications on mobile */
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    .cert-logo {
        height: 40px;
        margin: 10px; /* Adjust margin for mobile layout */
    }

    .trusted-clients {
        text-align: center; /* Center text on smaller screens */
    }

    .client-list {
        display: block; /* Stack client names on smaller screens */
        margin-top: 10px; /* Add space between heading and list */
    }

    .client-list span {
        display: block; /* Each name on a new line */
        margin-right: 0;
        margin-bottom: 5px; /* Space between names */
    }
}

@media (max-width: 480px) {
    #hero h1 {
        font-size: 1.6em;
    }

    section h2 {
        font-size: 1.8em;
    }

    .culture-section blockquote {
        font-size: 1.4em;
    }

     .cert-logo {
        height: 30px;
        margin: 8px; /* Further adjust margin for very small screens */
    }
}