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

:root {
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --accent: #14b8a6;
    --accent-2: #f59e0b;
    --text: #1e293b;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --glass: rgba(255, 255, 255, 0.8);
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-light);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 90px;
}

/* ============================= */
/* NAVIGATIEBALK */
/* ============================= */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    min-height: 78px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    letter-spacing: -0.5px;
    text-decoration: none;
}

.logo-img {
    max-height: 45px;
    width: auto;
    display: block;
    flex-shrink: 0;
}

.nav-list {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-list li {
    margin: 0;
    padding: 0;
}

.nav-list a {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.3px;
    color: var(--text);
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
}

.nav-list a:hover {
    color: var(--primary-light);
}

.nav-list a::after {
    content: "";
    display: block;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.nav-list a:hover::after {
    transform: scaleX(1);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    color: var(--text);
    cursor: pointer;
    font-weight: 300;
    padding: 0.25rem 0.4rem;
}

/* ============================= */
/* CONTAINER / CONTACT */
/* ============================= */
.container {
    flex: 1;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    width: 100%;
}

.contact-section {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.content-wrapper {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.form-wrapper {
    flex: 1;
    min-width: 300px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 5px;
}

h2 {
    font-size: 1.5rem;
    color: #003087;
    margin-bottom: 10px;
}

.contact-section p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 20px;
}

.contact-info h3 {
    font-size: 1.2rem;
    color: #003087;
    margin-bottom: 15px;
}

.contact-info p {
    font-size: 1rem;
    margin-bottom: 10px;
}

.map-container {
    margin-top: 20px;
}

/* ============================= */
/* FORMULIER */
/* ============================= */
.modern-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 1rem;
    color: #333;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    background-color: #fafafa;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #003087;
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.hidden {
    display: none;
}

.g-recaptcha {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

/* ============================= */
/* KNOPPEN */
/* ============================= */
.button-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.submit-button,
.back-button {
    background-color: #003087;
    color: #fff;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.back-button {
    background-color: #666;
}

.submit-button:hover {
    background-color: #00205b;
}

.back-button:hover {
    background-color: #444;
}

/* ============================= */
/* LOADINGSCREEN */
/* ============================= */
.loading-screen {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 2000;
}

.loader {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #003087;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

.loading-screen p {
    color: #fff;
    margin-top: 20px;
    font-size: 1.2rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================= */
/* FOOTER */
/* ============================= */
footer {
    background: rgba(255, 255, 255, 0.95);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 3rem 1.25rem 2rem;
    position: relative;
    z-index: 1;
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.footer-brand-img {
    max-height: 90px;
    width: auto;
    margin: 0 auto 1rem;
    display: block;
}

.footer-brand h3 {
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-align: center;
}

.footer-brand p {
    color: var(--text-muted);
    line-height: 1.8;
    text-align: center;
}

.footer-section h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--text);
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    word-break: break-word;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    max-width: 1600px;
    margin: 0 auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    flex-wrap: wrap;
}

/* ============================= */
/* RESPONSIVE */
/* ============================= */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
    }

    .footer-brand h3 {
        font-size: 1.5rem;
    }

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 900px) {
    .nav-container {
        padding: 0.9rem 1rem;
    }

    .logo {
        font-size: 1.15rem;
        gap: 0.55rem;
    }

    .logo-img {
        max-height: 38px;
    }

    .hamburger {
        display: block;
        z-index: 1002;
    }

    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-top: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 14px 30px rgba(0, 0, 0, 0.08);
        padding: 0.5rem 0;
    }

    .nav-list.active {
        display: flex;
    }

    .nav-list li {
        width: 100%;
    }

    .nav-list a {
        display: block;
        width: 100%;
        padding: 0.95rem 1.2rem;
        font-size: 1rem;
    }

    .nav-list a::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        margin: 20px auto;
        padding: 0 16px;
    }

    .contact-section {
        padding: 20px;
    }

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

    .form-wrapper,
    .contact-info {
        min-width: 100%;
    }

    .button-group {
        flex-direction: column;
    }

    .submit-button,
    .back-button {
        width: 100%;
        text-align: center;
    }

    footer {
        padding: 2.25rem 1rem 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-brand,
    .footer-section {
        width: 100%;
    }

    .footer-brand-img {
        max-height: 72px;
    }

    .footer-brand h3 {
        font-size: 1.25rem;
        line-height: 1.3;
    }

    .footer-brand p {
        font-size: 0.95rem;
    }

    .footer-section h4 {
        margin-bottom: 0.75rem;
    }

    .footer-links li {
        margin-bottom: 0.65rem;
    }

    .footer-links a {
        font-size: 0.95rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        font-size: 0.8rem;
        padding-top: 1.25rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }

    .logo {
        font-size: 1rem;
    }

    .logo-img {
        max-height: 35px;
    }

    h2 {
        font-size: 1.3rem;
    }

    .contact-info h3 {
        font-size: 1.1rem;
    }
}