/* Modern Gert-Jan Wensink Website Styling */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Modern Color Palette */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  
  /* Modern Colors */
  --text-primary: #1a1a1a;
  --text-secondary: #6b7280;
  --text-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-light: #e5e7eb;
  
  /* Spacing */
  --section-padding: 120px 0;
  --container-padding: 0 20px;
  
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Animations */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html, body {
  width: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--text-primary);
  overflow-x: hidden;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
}

/* Modern Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--dark-gradient);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  padding: 15px 0;
  transition: var(--transition-smooth);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled {
  background: var(--dark-gradient);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

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

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.navbar-brand:hover {
  transform: scale(1.05);
  color: var(--text-white);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 40px;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  position: relative;
  padding: 10px 0;
  transition: var(--transition-smooth);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: #667eea;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.9);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  width: 100%;
  margin: 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
  background-size: cover;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: rgba(255, 255, 255, 0.95);
}

.hero-avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  margin: 0 auto 40px;
  border: 5px solid rgba(102, 126, 234, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  transition: var(--transition-bounce);
}

.hero-avatar:hover {
  transform: scale(1.1) rotate(5deg);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

.hero-subtitle {
  font-size: 1.2rem;
  font-weight: 300;
  opacity: 0.9;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-divider {
  width: 80px;
  height: 4px;
  background: var(--text-white);
  margin: 30px auto;
  border-radius: 2px;
}

/* Section Styling */
.section {
  padding: var(--section-padding);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.section-title.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

/* About Section */
.about-section {
  background: var(--dark-gradient);
  color: var(--text-white);
  position: relative;
  width: 100%;
  margin: 0;
}

.about-section .section-title:not(.gradient-text) {
  color: var(--text-white);
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle fill="rgba(255,255,255,0.03)" cx="200" cy="200" r="100"/><circle fill="rgba(255,255,255,0.03)" cx="800" cy="600" r="150"/></svg>');
}

.about-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  align-items: center;
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-image {
  text-align: center;
}

.about-image img {
  max-width: 100%;
  border-radius: 15px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Card Styling */
.card {
  background: var(--bg-white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

/* Glass morphism card for dark sections */
.card.glass {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(20px);
  color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.card.glass:hover {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 60px rgba(102, 126, 234, 0.25);
}

/* Cards in dark sections */
.about-section .card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(20px);
  color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.about-section .card:hover {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 60px rgba(102, 126, 234, 0.15);
}

/* Spotify Section */
.spotify-section {
  background: var(--bg-light);
}

.spotify-embed {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: var(--transition-smooth);
}

.spotify-embed:hover {
  transform: scale(1.02);
}

/* Button Styling */
.btn {
  display: inline-block;
  padding: 15px 30px;
  background: var(--primary-gradient);
  color: var(--text-white);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition-smooth);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
  color: var(--text-white);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--text-white);
  color: var(--text-white);
}

.btn-outline:hover {
  background: var(--text-white);
  color: var(--text-primary);
}

/* Social Links */
.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.social-link {
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  text-decoration: none;
  backdrop-filter: blur(10px);
  transition: var(--transition-bounce);
  font-size: 1.2rem;
  position: relative;
  overflow: hidden;
}

.social-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
  transition: all 0.3s ease;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.social-link:hover::before {
  width: 100px;
  height: 100px;
}

.social-link:hover {
  transform: scale(1.2);
  background: var(--text-white);
  color: var(--text-primary);
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: var(--text-white);
  padding: 60px 0 30px;
  text-align: center;
  width: 100%;
  margin: 0;
  position: relative;
  left: 0;
  right: 0;
}

/* Ensure all sections behave properly */
section {
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Specific overrides for full-width sections */
.hero, .about-section, .footer {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: var(--section-padding) 0;
}

.footer {
  padding: 60px 0 30px;
}

/* Ensure containers within sections work properly */
.hero .container, .footer .container, .about-section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
}

/* Ensure containers within sections work properly */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
}

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

.animate-fade-in {
  animation: fadeInUp 0.6s ease-out;
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--dark-gradient);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 50px;
    transition: var(--transition-smooth);
    backdrop-filter: blur(20px);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: 20px 0;
  }
  
  .nav-menu .nav-link {
    font-size: 1.2rem;
    color: var(--text-white);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-menu-toggle i {
    transition: transform 0.3s ease;
  }
  
  .mobile-menu-toggle.active i {
    transform: rotate(90deg);
  }
}

/* Enhanced Button Animations */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

/* Utility Classes */
.hover-zoom {
  transition: var(--transition-bounce);
}

.hover-zoom:hover {
  transform: scale(1.05);
}

/* Loading States */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Progress Bar */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--primary-gradient);
  z-index: 9999;
  transition: width 0.3s ease;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-gradient);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(102, 126, 234, 0.5);
}

/* Enhanced Typography */
/* Image Optimization */
img {
  max-width: 100%;
  height: auto;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* Enhanced Focus States for Accessibility */
*:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Print Styles */
@media print {
  .navbar,
  .footer,
  .scroll-to-top,
  .mobile-menu-toggle {
    display: none !important;
  }
  
  .hero {
    min-height: auto;
    padding: 50px 0;
  }
  
  .section {
    padding: 30px 0;
  }
  
  .card {
    border: 1px solid #ddd;
    box-shadow: none;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #e5e5e5;
    --text-secondary: #a0a0a0;
    --bg-light: #1a1a1a;
    --bg-white: #2a2a2a;
    --border-light: #404040;
  }
  
  .navbar {
    background: rgba(42, 42, 42, 0.95);
  }
  
  .card {
    background: var(--bg-white);
    color: var(--text-primary);
  }
  
  .footer {
    background: #1a1a1a;
  }
}