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

body {
  font-family: "Roboto", sans-serif;
  line-height: 1.6;
  padding-top: 70px;
  /* DONKERE ACHTERGROND MET GOEDE CONTRAST */
  background: #121212;
  color: #e0e0e0; /* Lichtgrijs voor goede leesbaarheid */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* ===== NAVIGATION - DARK THEME ===== */
nav {
  background: #1a1a1a; /* Donkergrijs */
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  height: 70px;
  z-index: 1000;
  border-bottom: 1px solid #333;
}

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

.logo {
  color: #ffffff;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: bold;
  transition: color 0.3s ease;
}

.logo:hover {
  color: #3498db;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

nav ul li a {
  color: #e0e0e0;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

nav ul li a:hover {
  color: #3498db;
  background-color: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* ===== SECTIONS - DARK THEME ===== */
.section {
  background: #1e1e1e; /* Donkerder dan body */
  margin: 1.5rem 0;
  padding: 2.5rem 0;
  border-radius: 8px;
  border: 1px solid #333;
}

.hero {
  background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
  color: white;
  text-align: center;
  padding: 4rem 0;
  border: none;
}

/* ===== BUTTONS - DARK THEME ===== */
.btn {
  display: inline-block;
  background: #3498db;
  color: white;
  padding: 12px 24px;
  text-decoration: none;
  margin: 0.5rem;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #2980b9;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

/* Secondary button voor donkere achtergrond */
.btn-secondary {
  background: #444;
  color: #e0e0e0;
}

.btn-secondary:hover {
  background: #555;
  color: white;
}

/* ===== PROJECTS - DARK THEME ===== */
.project {
  background: #2a2a2a; /* Donkergrijs voor cards */
  padding: 1.5rem;
  margin: 1rem 0;
  border-radius: 8px;
  transition: all 0.3s ease;
  border-left: 4px solid #3498db;
}

.project:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  background: #2f2f2f;
}

.project h3 {
  margin-bottom: 1rem;
  color: #3498db; /* Blauw voor headings */
}

.project p {
  color: #cccccc; /* Lichtgrijs voor tekst */
}

/* ===== CODE BLOCKS - DARK THEME ===== */
pre {
  background: #1a1a1a;
  color: #4ecdc4; /* Turquoise voor code */
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
  border-radius: 6px;
  border: 1px solid #333;
  font-family: "Courier New", monospace;
}

/* ===== CONTACT FORM - DARK THEME ===== */
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 1rem;
  border: 1px solid #444;
  border-radius: 4px;
  background: #2a2a2a;
  color: #e0e0e0;
  transition: all 0.3s ease;
  font-family: "Roboto", sans-serif;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
  background: #2f2f2f;
}

.contact-form input:hover,
.contact-form textarea:hover {
  border-color: #555;
}

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

.contact-form label {
  color: #cccccc;
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

/* ===== FOOTER - DARK THEME ===== */
footer {
  background: #1a1a1a;
  color: #cccccc;
  text-align: center;
  padding: 30px 0;
  margin-top: auto;
  border-top: 1px solid #333;
}

.social-links {
  margin: 20px 0;
  display: flex;
  justify-content: center;
  gap: 25px;
}

.social-link {
  color: #e0e0e0;
  font-size: 24px;
  text-decoration: none;
  transition: all 0.3s ease;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #2a2a2a;
}

.social-link:hover {
  transform: translateY(-3px);
  background: #3498db;
  color: white;
}

.social-link[href*="youtube"]:hover {
  background: #ff0000;
}

.social-link[href*="instagram"]:hover {
  background: #e4405f;
}

.social-link[href*="github"]:hover {
  background: #333;
}

.footer-link {
  color: #3498db;
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-link:hover {
  color: #2980b9;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== PROFILE PHOTO - DARK THEME ===== */
.profile-photo-container {
  text-align: center;
  margin: 20px 0;
}

.profile-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid #3498db;
  box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
  transition: all 0.3s ease;
}

.profile-photo:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 30px rgba(52, 152, 219, 0.4);
}

/* ===== HEADINGS - DARK THEME ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: #ffffff; /* Wit voor headings voor goed contrast */
  margin-bottom: 1rem;
}

h2 {
  color: #3498db;
  font-size: 2rem;
}

h3 {
  color: #4ecdc4; /* Turquoise accent */
}

/* ===== LINKS - DARK THEME ===== */
a:not(.btn):not(.social-link):not(.footer-link):not(.logo):not(nav ul li a) {
  color: #4ecdc4; /* Turquoise voor normale links */
  text-decoration: none;
  transition: color 0.3s ease;
}

a:not(.btn):not(.social-link):not(.footer-link):not(.logo):not(
    nav ul li a
  ):hover {
  color: #3498db;
  text-decoration: underline;
}

/* ===== LISTS - DARK THEME ===== */
ul,
ol {
  color: #cccccc;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* ===== RESPONSIVE DESIGN - DARK THEME ===== */
@media (max-width: 768px) {
  body {
    padding-top: 60px;
  }

  nav {
    height: 60px;
  }

  nav .container {
    flex-direction: column;
    gap: 1rem;
    padding: 0.5rem 0;
  }

  nav ul {
    gap: 0.5rem;
  }

  .profile-photo {
    width: 150px;
    height: 150px;
    border-width: 4px;
  }

  .section {
    padding: 2rem 0;
    margin: 1rem 0;
  }
}

@media (max-width: 480px) {
  .profile-photo {
    width: 120px;
    height: 120px;
    border-width: 3px;
  }

  .social-link {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  h2 {
    font-size: 1.5rem;
  }
}

/* ===== ANIMATIONS - DARK THEME ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  animation: fadeIn 0.6s ease-out;
}

/* ===== SCROLLBAR - DARK THEME ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
  background: #444;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}