:root {
    /* Kleuren */
    --bg-dark: #050511;
    --bg-light: #12122b;
    --accent-color: #a0c4ff;
    --accent-hover: #ffffff;
    --glass-bg: rgba(18, 18, 43);
    --glass-border: rgba(160, 196, 255);
    --text-main: #ffffff;
    --text-muted: #8a8ab5;
    --font-stack: 'Inter', sans-serif;

    /* Overige variabelen */
    --border-radius: 16px;
    --transition: all 0.3s ease;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: var(--font-stack);
    cursor: pointer;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--text-main), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(160, 196, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-color);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    border-color: var(--accent-color);
    background: rgba(160, 196, 255, 0.05);
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(5, 5, 17, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-weight: 600;
    font-size: 1.2rem;
}

.logo-icon img {
    width: 50px;
    height: 50px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    padding-top: 10rem;
    padding-bottom: 8rem;
    background: radial-gradient(ellipse at top, var(--bg-light) 0%, var(--bg-dark) 70%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    min-height: 100vh;
}

.hero .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
    text-align: center;
    margin: 0 auto;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-glass {
    padding: 2.5rem;
    margin-top: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}

/* Features Section */
.features {
    background: linear-gradient(to bottom, var(--bg-dark) 0%, var(--bg-light) 100%);
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    /* 2×2 layout */
    gap: 2rem;
    margin-top: 3rem;
}

/* Responsive aanpassingen - 2×2 naar 1×4 op kleinere schermen */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        /* 1 kolom op mobiel */
        max-width: 500px;
        /* Optioneel: beperk de breedte voor betere leesbaarheid */
        margin-left: auto;
        margin-right: auto;
    }
}

.feature-card {
    padding: 2rem;
    transition: var(--transition);

    h3 {
        text-align: center;
    }
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(160, 196, 255, 0.3);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

/* How it Works */
.how-it-works {
    padding: var(--spacing-xl) 0;
    background: var(--bg-dark);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-top: 3rem;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 60px;
    width: 2px;
    height: calc(100% - 120px);
    background: linear-gradient(to bottom, transparent, var(--accent-color), transparent);
}

.step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    flex-shrink: 0;
}

.step-content {
    padding: 1.5rem 0;
}

/* Pricing */
.pricing {
    background: linear-gradient(to bottom, var(--bg-dark) 0%, var(--bg-light) 100%);
    padding: var(--spacing-xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    padding: 2.5rem 2rem;
    transition: var(--transition);
}

.pricing-card.featured {
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: rgba(160, 196, 255, 0.3);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-color);
    margin: 1rem 0;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-muted);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pricing-features li i {
    color: var(--accent-color);
}

/* About */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--bg-dark);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-visual {
    height: 300px;
    background: linear-gradient(135deg, var(--bg-light), var(--bg-dark));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.about-visual::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(160, 196, 255, 0.1) 0%, rgba(5, 5, 17, 0) 70%);
    border-radius: 50%;
    top: -50px;
    right: -50px;
}

.about-visual::after {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(160, 196, 255, 0.05) 0%, rgba(5, 5, 17, 0) 70%);
    border-radius: 50%;
    bottom: -30px;
    left: -30px;
}

.visual-element {
    width: 200px;
    height: 200px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 1;
}

.visual-icon {
    font-size: 3rem;
    color: var(--accent-color);
}

.visual-icon img {
    width: 60px;
    height: 60px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    padding: var(--spacing-lg) 0;
    background: var(--bg-light);
    border-top: 1px solid var(--glass-border);
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-main);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Logo link styling */
.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
}

.logo a:hover {
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .steps-container::before {
        display: none;
    }

    .step {
        flex-direction: column;
        gap: 1rem;
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .hero {
        padding-top: 8rem;
        padding-bottom: 5rem;
    }

    section {
        padding: var(--spacing-lg) 0;
    }
}