:root {
  --primary: #0070f3;
  --primary-dark: #0051a8;
  --secondary: #7928ca;
  --accent: #ff4d4d;
  --light: #fafafa;
  --dark: #111111;
  --gray: #666666;
  --gray-light: #f0f0f0;
  --success: #0070f3;
  --warning: #f5a623;
  --danger: #ff4d4d;
  --gradient-primary: linear-gradient(135deg, #0070f3, #00c8ff);
  --gradient-accent: linear-gradient(135deg, #ff4d4d, #7928ca);
  --gradient-dark: linear-gradient(135deg, #111111, #333333);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 38px -12px rgba(0, 0, 0, 0.1);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
}

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

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.7;
  color: var(--dark);
  background-color: var(--light);
  overflow-x: hidden;
  font-feature-settings: "ss01", "ss02", "cv01", "cv02";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

h1 {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

h2 {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

h3 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

p {
  margin-bottom: 1.5rem;
}

.highlight {
  font-weight: 700;
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 0.1em;
  left: 0;
  width: 100%;
  height: 0.2em;
  background-color: rgba(255, 77, 77, 0.2);
  z-index: -1;
}

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

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  margin: var(--spacing-sm) auto 0;
  border-radius: var(--radius-full);
}

/* Navigation */
header {
  background-color: rgba(255, 255, 255, 0.8);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  height: 80px;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-links a:not(.cta-button) {
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a:not(.cta-button)::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary);
  transition: var(--transition);
}

.nav-links a:not(.cta-button):hover {
  color: var(--primary);
}

.nav-links a:not(.cta-button):hover::after {
  width: 100%;
}

/* Buttons */
.cta-button {
  display: inline-block;
  background: var(--gradient-primary);
  color: white;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-accent);
  z-index: -1;
  opacity: 0;
  transition: var(--transition);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.cta-button:hover::before {
  opacity: 1;
}

.cta-button.secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: none;
}

.cta-button.secondary:hover {
  background-color: rgba(0, 112, 243, 0.1);
  transform: translateY(-3px);
}

.cta-button.large {
  padding: 1.2rem 2.4rem;
  font-size: 1.1rem;
  font-weight: 700;
}

/* Hero Section */
.hero {
  background: var(--dark);
  color: white;
  padding: var(--spacing-xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 112, 243, 0.15), transparent 70%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 5rem;
  margin-bottom: var(--spacing-sm);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.hero h3 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

.hero-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.hero-shape:nth-child(1) {
  top: 20%;
  left: 10%;
  width: 300px;
  height: 300px;
  background-color: rgba(0, 112, 243, 0.2);
}

.hero-shape:nth-child(2) {
  bottom: 10%;
  right: 15%;
  width: 400px;
  height: 400px;
  background-color: rgba(121, 40, 202, 0.15);
}

.hero-shape:nth-child(3) {
  top: 60%;
  left: 30%;
  width: 200px;
  height: 200px;
  background-color: rgba(255, 77, 77, 0.1);
}

/* Featured Section */
.featured {
  padding: var(--spacing-xl) 0;
  background-color: white;
}

.featured-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  background-color: white;
  box-shadow: var(--shadow);
  position: relative;
}

.featured-content::before {
  content: '';
  position: absolute;
  top: -5px;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--gradient-primary);
  border-radius: var(--radius) var(--radius) 0 0;
}

.featured-content h2 {
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.featured-content p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

/* Voor Wie Section */
.voor-wie {
  padding: var(--spacing-xl) 0;
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

.voor-wie::before {
  content: '';
  position: absolute;
  width: 1000px;
  height: 1000px;
  border-radius: 50%;
  background-color: rgba(0, 112, 243, 0.03);
  top: -400px;
  right: -400px;
  z-index: 0;
}

.content-card {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.content-card h2 {
  margin-bottom: var(--spacing-md);
}

.content-card p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

/* Producten Section */
.producten {
  padding: var(--spacing-xl) 0;
  background-color: white;
  position: relative;
}

.product-card {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow);
  margin-bottom: var(--spacing-lg);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-header {
  margin-bottom: var(--spacing-md);
  position: relative;
}

.product-quote {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--dark);
}

.product-note {
  color: var(--gray);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
}

.product-features {
  margin-bottom: var(--spacing-md);
  background-color: var(--gray-light);
  padding: var(--spacing-md);
  border-radius: var(--radius);
}

.product-features h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--dark);
}

.product-features ul {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.product-features li {
  margin-bottom: var(--spacing-xs);
  position: relative;
  padding-left: 1.5rem;
}

.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.product-section {
  margin-top: var(--spacing-lg);
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.featured-product {
  border: none;
  background-color: white;
  position: relative;
}

.featured-product::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 2px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.featured-product::after {
  content: 'Aanbevolen';
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--gradient-primary);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
}

/* Waarom Ons Section */
.waarom-ons {
  padding: var(--spacing-xl) 0;
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

.waarom-ons::before {
  content: '';
  position: absolute;
  width: 1000px;
  height: 1000px;
  border-radius: 50%;
  background-color: rgba(121, 40, 202, 0.03);
  bottom: -400px;
  left: -400px;
  z-index: 0;
}

.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.reason-card {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.reason-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

.reason-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.reason-card:hover::before {
  opacity: 1;
}

.reason-icon {
  font-size: 2.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  margin-bottom: var(--spacing-md);
}

.reason-text {
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Contact Section */
.contact {
  padding: var(--spacing-xl) 0;
  background: var(--dark);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(255, 77, 77, 0.15), transparent 70%),
              radial-gradient(circle at 70% 70%, rgba(121, 40, 202, 0.1), transparent 70%);
  z-index: 1;
}

.contact .container {
  position: relative;
  z-index: 2;
}

.contact .section-title {
  color: white;
}

.contact .section-title::after {
  background: var(--gradient-accent);
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
}

.limited-offer {
  font-size: 1.1rem;
  font-weight: 600;
  padding: var(--spacing-sm);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  display: inline-block;
}

/* Footer */
footer {
  background-color: var(--dark);
  color: white;
  padding: var(--spacing-lg) 0;
  position: relative;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-md);
}

.tagline {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--gray-light);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

.footer-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -2px;
  left: 0;
  background-color: white;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

.footer-links a:hover::after {
  width: 100%;
}

.copyright {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Animation */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Pulse animation for CTA buttons */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 112, 243, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0, 112, 243, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 112, 243, 0);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 5rem;
    --spacing-lg: 3rem;
  }
  
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.25rem;
  }
  
  h3 {
    font-size: 1.75rem;
  }
  
  .hero h1 {
    font-size: 3.5rem;
  }
  
  .nav-links {
    gap: var(--spacing-sm);
  }
  
  .content-card, .product-card {
    padding: var(--spacing-md);
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .hero-shape:nth-child(1) {
    width: 200px;
    height: 200px;
  }
  
  .hero-shape:nth-child(2) {
    width: 250px;
    height: 250px;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 4rem;
    --spacing-lg: 2.5rem;
    --spacing-md: 1.5rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero h1 {
    font-size: 2.75rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .hero h3 {
    font-size: 1.25rem;
  }
  
  .featured-content p, .content-card p {
    font-size: 1.1rem;
  }
  
  .product-cards {
    grid-template-columns: 1fr;
  }
  
  .reason-card {
    padding: var(--spacing-sm);
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* Mobile menu button */
.mobile-menu-button {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
}

@media (max-width: 480px) {
  .mobile-menu-button {
    display: block;
  }
}