/* ========================================
   Visual - Modern Dark Theme
   Clean, professional website styles
======================================== */

/* CSS Variables for easy theming */
:root {
  --color-bg-dark: #121212;
  --color-bg-medium: #1e1e1e;
  --color-bg-light: #2d2d2d;
  --color-bg-card: #333;
  --color-primary: #00aaff;
  --color-primary-dark: #0088cc;
  --color-primary-light: #33bbff;
  --color-cta: #00cc88;
  --color-cta-dark: #00aa70;
  --color-text: #e0e0e0;
  --color-text-muted: #aaa;
  --color-border: #444;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 30px rgba(0, 170, 255, 0.2);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--color-bg-dark);
  color: var(--color-text);
  line-height: 1.6;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}

/* ========================================
   Hero Section
======================================== */
.hero {
  background: linear-gradient(135deg, var(--color-bg-light) 0%, #1a1a2e 100%);
  color: #fff;
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 170, 255, 0.05) 0%, transparent 70%);
  animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-badge {
  display: inline-block;
  background: rgba(0, 170, 255, 0.2);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin: 0 0 1rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  margin: 0 auto 2rem;
  max-width: 600px;
  color: var(--color-text-muted);
  position: relative;
  z-index: 1;
}

/* Buttons */
.buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.btn {
  padding: 0.875rem 1.75rem;
  border-radius: 8px;
  color: white;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

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

.btn.primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 170, 255, 0.4);
}

.btn.secondary {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn.secondary:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.btn.cta {
  background: linear-gradient(135deg, var(--color-cta) 0%, #00aa70 100%);
  font-weight: 600;
}

.btn.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 204, 136, 0.4);
}

/* ========================================
   About Section (Wie ben ik)
======================================== */
.about {
  background-color: var(--color-bg-medium);
  padding: 80px 0;
}

.about h2 {
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 2rem;
  text-align: center;
}

.about p {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 1.25rem;
}

.about p:last-child {
  margin-bottom: 0;
}

.about strong {
  color: var(--color-primary);
}

/* ========================================
   Features Section (Wat ik doe)
======================================== */
.features {
  background-color: var(--color-bg-dark);
  padding: 80px 0;
}

.features h2 {
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 3rem;
  text-align: center;
}

.features .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: linear-gradient(145deg, var(--color-bg-card), #2a2a2a);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1.35rem;
  color: var(--color-primary);
  margin: 0 0 0.75rem;
}

.feature-card p {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ========================================
   Approach Section (Mijn aanpak)
======================================== */
.approach {
  background-color: var(--color-bg-light);
  padding: 80px 0;
}

.approach h2 {
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 3rem;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background-color: var(--color-bg-card);
  padding: 1.5rem;
  border-radius: 12px;
  transition: all var(--transition-normal);
}

.step:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}

.step-content strong {
  display: block;
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.step-content p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.95rem;
}

/* ========================================
   Portfolio Section
======================================== */
#portfolio {
  background-color: var(--color-bg-medium);
  padding: 80px 0;
}

#portfolio h2 {
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 3rem;
  text-align: center;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.portfolio-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  display: block;
  text-decoration: none;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  background-color: var(--color-bg-card);
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.portfolio-item iframe {
  width: 200%;
  height: 200%;
  border: none;
  transform: scale(0.5);
  transform-origin: top left;
  pointer-events: none;
  background-color: #fff;
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.95));
  padding: 2.5rem 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: all var(--transition-normal);
}

.portfolio-overlay span {
  color: white;
  font-weight: 600;
  font-size: 1.1rem;
}

.portfolio-link {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(5px);
  transition: all var(--transition-normal);
}

.portfolio-item:hover .portfolio-link {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-link:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

/* ========================================
   Contact Section
======================================== */
#contact {
  background-color: var(--color-bg-light);
  padding: 80px 0;
}

#contact h2 {
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-align: center;
}

#contact > .container > p {
  font-size: 1.15rem;
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

#contact form {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1rem;
}

#contact form input,
#contact form textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  border: 2px solid var(--color-border);
  font-size: 1rem;
  background-color: var(--color-bg-card);
  color: #fff;
  transition: all var(--transition-fast);
  font-family: inherit;
}

#contact form input:focus,
#contact form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.1);
}

#contact form input::placeholder,
#contact form textarea::placeholder {
  color: #888;
}

#contact form textarea {
  resize: vertical;
  min-height: 120px;
}

#contact form .btn {
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

#contact form .btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-status {
  max-width: 500px;
  margin: 1rem auto 0;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  font-weight: 500;
}

.form-status:empty {
  display: none;
}

.form-status.success {
  background-color: rgba(0, 204, 136, 0.15);
  color: var(--color-cta);
  border: 1px solid var(--color-cta);
}

.form-status.error {
  background-color: rgba(255, 82, 82, 0.15);
  color: #ff5252;
  border: 1px solid #ff5252;
}

/* ========================================
   Footer
======================================== */
footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-muted);
  text-align: center;
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
}

footer p {
  margin: 0.25rem 0;
}

.footer-tagline {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
  .hero {
    padding: 60px 0;
  }

  .buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .features h2, 
  .approach h2, 
  #portfolio h2, 
  #contact h2, 
  .about h2 {
    font-size: 1.85rem;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .step {
    align-items: center;
  }

  .about p,
  #contact > .container > p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 1.5rem;
  }

  .hero {
    padding: 50px 0;
  }

  .hero-badge {
    font-size: 0.8rem;
    padding: 0.4rem 1rem;
  }

  .feature-card,
  .step {
    padding: 1.25rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  #contact form input,
  #contact form textarea {
    padding: 0.875rem 1rem;
  }
}

/* Accessibility - Focus states */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}