/* Reset en base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: -10px;
}

.logo {
    width: 70px;
    height: 70px;
    object-fit: contain;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.nav-brand h2 {
    color: #3b82f6;
    font-weight: 700;
    font-size: 1.8rem;
    margin: 0;
}

.nav-brand .tagline {
    color: #6b7280;
    font-size: 0.8rem;
    font-weight: 400;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #3b82f6;
}

.nav-menu a:hover::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #3b82f6;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #3b82f6;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 50%, #bfdbfe 100%);
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50px;
    font-weight: 500;
    color: #374151;
}

.feature-item i {
    color: #3b82f6;
    font-size: 1.1rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cta-button.primary {
    background: #3b82f6;
    color: white;
}

.cta-button.primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.cta-button.secondary {
    background: transparent;
    color: #3b82f6;
    border-color: #3b82f6;
}

.cta-button.secondary:hover {
    background: #3b82f6;
    color: white;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-image {
    max-width: 120%;
    width: 120%;
    height: auto;
    transform: scale(1.2) translateX(20px);
}

/* Werking Section */
.werking {
    padding: 100px 0;
    background: #ffffff;
}

.werking h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 3rem;
    font-weight: 700;
}

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

.werking-text p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.werking-modes {
    display: flex;
    gap: 1.5rem;
}

.mode-card {
    flex: 1;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.mode-card.winter {
    background: linear-gradient(135deg, #fef3c7, #fed7aa);
    border: 1px solid #f59e0b;
}

.mode-card.summer {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    border: 1px solid #3b82f6;
}

.mode-card:hover {
    transform: translateY(-5px);
}

.mode-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.mode-card.winter .mode-icon {
    color: #f59e0b;
}

.mode-card.summer .mode-icon {
    color: #3b82f6;
}

.mode-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.mode-card p {
    font-size: 0.9rem;
    color: #64748b;
}

.werking-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

/* Voordelen Section */
.voordelen {
    padding: 100px 0;
    background: #f8fafc;
}

.voordelen h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 4rem;
    font-weight: 700;
}

.voordelen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.voordeel-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.voordeel-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.voordeel-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.voordeel-card h3 {
    font-size: 1.4rem;
    color: #1e293b;
    margin-bottom: 1rem;
    font-weight: 600;
}

.voordeel-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Specs Section */
.specs {
    padding: 100px 0;
    background: white;
}

.specs h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 4rem;
    font-weight: 700;
}

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

.specs-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.spec-group {
    margin-bottom: 2rem;
}

.spec-group h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
    font-weight: 600;
}

.spec-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
}

.spec-label {
    font-weight: 500;
    color: #374151;
}

.spec-value {
    font-weight: 600;
    color: #3b82f6;
}

.spec-note {
    font-size: 0.9rem;
    color: #6b7280;
    font-style: italic;
    margin-top: 1rem;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e293b, #334155);
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta p {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta .cta-button.primary {
    background: #3b82f6;
}

.cta .cta-button.secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta .cta-button.secondary:hover {
    background: white;
    color: #1e293b;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section h3 {
    font-size: 1.5rem;
    color: #3b82f6;
}

.footer-section p {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3b82f6;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #3b82f6;
    transform: translateY(-2px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.contact-info i {
    color: #3b82f6;
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: #9ca3af;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3b82f6;
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu a {
        padding: 1rem 2rem;
        border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-content .container,
    .werking-content,
    .specs-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .werking-modes {
        flex-direction: column;
    }
    
    .voordelen-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .voordelen-grid {
        grid-template-columns: 1fr;
    }
    
    .voordeel-card {
        padding: 1.5rem;
    }
}

/* Scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Loading animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-text,
.hero-image {
    animation: fadeInUp 0.8s ease-out;
}

.hero-image {
    animation-delay: 0.2s;
}