:root {
  --bg-color: #fcfcfd;
  --surface-color: #ffffff;
  --text-main: #2b2b2b;
  --text-muted: #6e6e73;
  --accent-orange: #fd8d30;
  --accent-blue: #359ebf;
  --border-light: rgba(0, 0, 0, 0.08);
  --shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.08);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.3s ease;
}

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

html {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-color);
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-orange), var(--accent-blue));
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #e67d26, #2d8aa8);
}

/* Progress Bar indicator */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-blue));
  width: 0%;
  z-index: 9999;
  transition: width 0.1s ease-out;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  color: var(--text-muted);
  font-size: 1.125rem;
  max-width: 700px;
  margin-bottom: 1.5rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: transparent;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.75); /* Meer transparantie voor zichtbaarheid erachter */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 5%;
  border-bottom: 1px solid var(--border-light);
}

.nav-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  z-index: 1002;
}

.nav-logo {
  height: 80px;
  width: auto;
  transition: var(--transition-fast);
}

.nav-brand:hover .nav-logo {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -4px;
  left: 0;
  background-color: var(--text-main);
  transition: var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
}

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

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
  z-index: 1002;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  transition: all 0.3s ease-in-out;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-orange);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(253, 141, 48, 0.2);
}

.btn-primary:hover {
  background-color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(53, 158, 191, 0.3);
}

.btn-outline {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition-smooth);
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--text-main);
}

.btn-outline:hover {
  background-color: var(--text-main);
  color: var(--surface-color);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Social Links */
.social-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  transition: var(--transition-fast);
}

.social-link:hover {
  color: var(--accent-orange);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  animation: bounce 2s infinite;
}

.mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--text-main);
  border-radius: 20px;
  position: relative;
  opacity: 0.5;
}

.mouse::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent-orange);
  border-radius: 2px;
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 15px); opacity: 0; }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* Mini Skill Highlighter */
.skill-highlight-banner {
  width: 100%;
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background-color: var(--surface-color);
  text-align: center;
}

.skill-banner-text {
  display: block;
  width: 100%;
  max-width: none;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin: 0 auto 2.5rem auto;
}

.skill-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 4.5rem;
}

.skill-logo-item img {
  height: 35px; /* Base height for logos */
  width: auto;
  filter: grayscale(100%) opacity(0.4);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.skill-logo-item:hover img {
  filter: grayscale(0%) opacity(1);
  transform: translateY(-5px) scale(1.1);
}

@media (max-width: 768px) {
  .skill-logos {
    gap: 2.5rem;
  }
  .skill-logo-item img {
    height: 28px;
  }
}

/* Layout Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

section {
  padding: 8rem 0;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-subtitle {
  color: var(--accent-orange);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: block;
}

/* Typewriter Cursor */
.cursor {
  display: inline-block;
  opacity: 1;
  animation: blink 0.8s infinite;
  color: var(--accent-orange);
  font-weight: 300;
}

@keyframes blink {
  0% { opacity: 1; }
  50% { opacity: 0; }
  100% { opacity: 1; }
}

.bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  z-index: 1;
}

.shape-1 {
  width: 40vw;
  height: 40vw;
  background: var(--accent-blue);
  top: -10vw;
  right: -10vw;
}

.shape-2 {
  width: 30vw;
  height: 30vw;
  background: var(--accent-orange);
  bottom: -5vw;
  left: -5vw;
  opacity: 0.2;
}

/* Intro Section (Home) */
.intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.intro-card {
  padding: 3rem;
  background: var(--surface-color);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.intro-card::before {
  content: attr(data-number);
  position: absolute;
  top: -20px;
  right: -10px;
  font-size: 8rem;
  font-weight: 600;
  color: var(--border-light);
  line-height: 1;
  opacity: 0.4;
  transition: var(--transition-smooth);
  z-index: 0;
}

.intro-card h3, .intro-card p {
  position: relative;
  z-index: 1;
}

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

.intro-card:hover::before {
  color: rgba(253, 141, 48, 0.1);
  transform: scale(1.05) translate(-10px, 10px);
}

.intro-card h3 {
  color: var(--text-main);
  margin-bottom: 1rem;
}

/* Core Focus Section */
.focus-list {
  display: flex;
  flex-direction: column;
}

.focus-item {
  display: flex;
  align-items: flex-start;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-light);
  gap: 2rem;
}

.focus-item:first-child {
  border-top: 1px solid var(--border-light);
}

.focus-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex: 1;
  min-width: 300px;
}

.focus-header h3 {
  font-size: 1.5rem;
  color: var(--accent-orange);
  font-weight: 300;
  margin: 0;
}

.focus-header h4 {
  font-size: 1.5rem;
  margin: 0;
}

.focus-item p {
  flex: 2;
  margin: 0;
}

/* Timeline Section (Alternating Left/Right) */
.timeline {
  position: relative;
  margin-top: 5rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: var(--border-light);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-content-wrapper {
  width: 45%;
}

.timeline-item:nth-child(even) .timeline-content-wrapper {
  text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content-wrapper {
  text-align: left;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--bg-color);
  border: 2px solid var(--accent-orange);
  transform: translateX(-50%);
  box-shadow: 0 0 0 8px var(--surface-color);
  transition: var(--transition-smooth);
  z-index: 2;
}

.timeline-item:hover .timeline-dot {
  background-color: var(--accent-orange);
  box-shadow: 0 0 15px rgba(253, 141, 48, 0.4), 0 0 0 8px var(--surface-color);
  transform: translateX(-50%) scale(1.2);
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: block;
}

.timeline-content h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.timeline-content p {
  margin-bottom: 0;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    flex-direction: column !important;
    align-items: flex-start;
  }
  
  .timeline-content-wrapper {
    width: 100%;
    text-align: left !important;
    padding-left: 50px;
  }

  .timeline-dot {
    left: 20px;
  }
}

/* Quote Carousel Section */
.quote-container {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  min-height: 180px; /* Prevents layout jump when quotes change */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.quote-icon {
  font-size: 5rem;
  color: var(--accent-orange);
  line-height: 1;
  opacity: 0.2;
  font-family: serif;
  margin-bottom: -1rem;
}

.quote-text {
  font-size: 1.75rem;
  font-weight: 300;
  color: var(--text-main);
  font-style: italic;
  margin-bottom: 1.5rem;
  transition: opacity 0.8s ease, transform 0.8s ease;
  line-height: 1.4;
}

.quote-author {
  font-size: 0.95rem;
  color: var(--accent-blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

/* Classes for fading out before new quote fades in */
.quote-fade-out {
  opacity: 0;
  transform: translateY(10px);
}

.quote-fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-link:hover {
  color: var(--accent-orange);
  text-decoration: underline;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--bg-color);
  padding: 3rem;
  border-radius: 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--surface-color);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-main);
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 4px rgba(253, 141, 48, 0.1);
}

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

@media (max-width: 900px) {
  .profile-section {
    flex-direction: column;
    padding-top: 8rem;
    gap: 3rem;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .nav-links {
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .focus-item {
    flex-direction: column;
    gap: 1rem;
    padding: 2rem 0;
  }
}

/* About Section */
.about-hero {
  position: relative;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding-bottom: 4rem;
}

.profile-section {
  display: flex;
  align-items: center;
  gap: 5rem;
  padding-top: 8rem;
  position: relative;
  z-index: 2;
}

.profile-image-container {
  flex: 1;
  position: relative;
}

/* Image background accent frame */
.profile-image-container::before {
  content: '';
  position: absolute;
  top: 20px;
  left: -20px;
  right: 20px;
  bottom: -20px;
  border: 2px solid var(--accent-orange);
  border-radius: 24px;
  z-index: -1;
  opacity: 0.3;
  transition: var(--transition-smooth);
}

.profile-image-container:hover::before {
  transform: translate(10px, -10px);
  opacity: 0.6;
}

.profile-image {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: 24px;
  background-color: #e0e0e0;
  box-shadow: var(--shadow-hover);
}

.profile-text {
  flex: 1.2;
}

/* About Philosophy Section */
.philosophy-section {
  display: flex;
  flex-direction: column;
  gap: 6rem;
  margin-top: 2rem;
}

.philosophy-row {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.philosophy-row:nth-child(even) {
  flex-direction: row-reverse;
}

.philosophy-content {
  flex: 1;
}

.philosophy-content h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  position: relative;
  padding-bottom: 1rem;
}

.philosophy-content h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-blue));
  border-radius: 2px;
}

.philosophy-content p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 1.05rem;
}

.philosophy-content strong {
  color: var(--text-main);
  font-weight: 600;
}

.philosophy-number {
  flex: 0.5; /* Takes up less space */
  display: flex;
  align-items: center;
  justify-content: center;
}

.philosophy-number span {
  font-size: 10rem; /* Made the numbers considerably larger */
  font-weight: 3300; /* Made the font thicker */
  color: var(--surface-color);
  text-shadow: 
    -3px -3px 0 var(--text-muted),  
     3px -3px 0 var(--text-muted),
    -3px  3px 0 var(--text-muted),
     3px  3px 0 var(--text-muted);
  line-height: 1;
  font-family: var(--font-sans);
  letter-spacing: -0.05em;
  opacity: 0.5;
  transition: var(--transition-smooth);
}

.philosophy-row:hover .philosophy-number span {
  text-shadow: 
    -3px -3px 0 var(--accent-orange),  
     3px -3px 0 var(--accent-orange),
    -3px  3px 0 var(--accent-orange),
     3px  3px 0 var(--accent-orange);
  opacity: 1;
  transform: scale(1.05);
}

@media (max-width: 900px) {
  .philosophy-row, .philosophy-row:nth-child(even) {
    flex-direction: column;
    gap: 3rem;
    padding: 0 1rem; /* Zorgt voor betere marges aan de zijkanten op tablet/mobile */
  }
  .philosophy-number {
    display: none; /* Hide numbers on mobile for cleaner look */
  }
}

/* Making the about texts look like the high-end cards from index */
.about-card {
  padding: 3.5rem;
  background: var(--surface-color);
  border-radius: 32px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.03);
  border: 1px solid var(--border-light);
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.about-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(53, 158, 191, 0.08); /* slight blue glow on hover */
  border-color: rgba(53, 158, 191, 0.2);
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-blue));
  opacity: 0;
  transition: var(--transition-smooth);
}

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

.about-card h2 {
  font-size: 1.85rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  position: relative;
  padding-bottom: 1rem;
}

.about-card h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--accent-orange);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.about-card:hover h2::after {
  width: 80px;
  background-color: var(--accent-blue);
}

.about-card p {
  color: var(--text-muted);
  line-height: 1.7;
}

.about-card strong {
  color: var(--text-main);
  font-weight: 600;
}

/* Skills Section */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: center; /* Center the entire section content */
}

.skills-group {
  display: flex;
  flex-direction: column;
  align-items: center; /* Center headers and tags */
}

.skills-group h3 {
  font-size: 1.125rem;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center; /* Ensure header is centered */
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center; /* Center the tags horizontally */
  gap: 1rem;
}

.skill-tag {
  padding: 0.75rem 1.5rem;
  background: var(--surface-color);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  font-size: 0.95rem;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.skill-tag:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  background: rgba(253, 141, 48, 0.05);
}

/* Footer */
footer {
  padding: 4rem 5% 2rem;
  border-top: 1px solid var(--border-light);
  background: var(--surface-color);
  color: var(--text-muted);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: var(--text-light);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  line-height: 1.6;
}

.footer-nav h4, .footer-socials h4 {
  color: var(--text-light);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links li a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-links li a:hover {
  color: var(--accent-orange);
  padding-left: 5px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
  padding: 8px 16px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
}

.social-link:hover {
  color: #0077b5; /* LinkedIn Blue */
  border-color: #0077b5;
  background-color: rgba(0, 119, 181, 0.05);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  font-size: 0.9rem;
}

.footer-highlight {
  color: var(--accent-orange);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.tm-link {
  display: inline-block;
  opacity: 0.5;
  transition: var(--transition-fast);
}

.tm-link:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.tm-logo {
  height: 35px;
  width: auto;
  filter: grayscale(100%);
  transition: var(--transition-fast);
}

.tm-link:hover .tm-logo {
  filter: grayscale(0%);
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column-reverse;
    text-align: center;
  }
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-smooth);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Floating Text Animation for Name */
.floating-text {
  animation: floatText 2.5s ease-in-out infinite;
  display: inline-block;
  will-change: transform, opacity, text-shadow;
}

@keyframes floatText {
  0%, 100% { 
    transform: translateY(0); 
    opacity: 0.9; 
    text-shadow: 0 2px 4px rgba(53, 158, 191, 0.1); 
  }
  50% { 
    transform: translateY(-8px); 
    opacity: 1; 
    text-shadow: 0 10px 20px rgba(53, 158, 191, 0.4); 
  }
}

/* ============================
   Projects Page Styles
   ============================ */
.projects-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-bottom: 2rem;
}

.projects-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.projects-hero-content h1 {
  margin-bottom: 1.5rem;
}

.projects-hero-content p {
  max-width: 600px;
}

/* Filter Buttons */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3rem;
  position: relative;
  z-index: 2;
}

.filter-btn {
  padding: 0.7rem 1.8rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid var(--border-light);
  background: var(--surface-color);
  color: var(--text-muted);
}

.filter-btn:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

.filter-btn.active {
  background: var(--accent-orange);
  color: #ffffff;
  border-color: var(--accent-orange);
  box-shadow: 0 4px 15px rgba(253, 141, 48, 0.2);
}

/* Projects Grid Section */
.projects-grid-section {
  padding-top: 2rem;
  padding-bottom: 6rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

/* Project Card */
.project-card {
  background: var(--surface-color);
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(253, 141, 48, 0.15);
}

/* Project Card Image / Placeholder */
.project-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.project-image-icon {
  font-size: 2.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-image-icon svg {
  display: block;
}

.project-card:hover .project-image-placeholder {
  transform: scale(1.05);
}

/* Project Card Overlay */
.project-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  opacity: 0;
  transition: var(--transition-smooth);
}

.project-card:hover .project-card-overlay {
  opacity: 1;
}

.project-overlay-link {
  padding: 0.75rem 1.75rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 100px;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition-fast);
  text-decoration: none;
}

.project-overlay-link:hover {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: #fff;
  transform: translateY(-2px);
}

/* Project Card Body */
.project-card-body {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card-body h3 {
  font-size: 1.35rem;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.project-card-body p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

/* Project Tags */
.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.project-tag {
  padding: 0.35rem 0.9rem;
  background: rgba(53, 158, 191, 0.08);
  border: 1px solid rgba(53, 158, 191, 0.15);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-blue);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: var(--transition-fast);
}

.project-tag:hover {
  background: rgba(53, 158, 191, 0.15);
  border-color: var(--accent-blue);
}

/* Project Card Links */
.project-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-fast);
  text-decoration: none;
}

.project-link svg {
  transition: var(--transition-fast);
}

.project-link:hover {
  color: var(--accent-orange);
}

.project-link:hover svg {
  stroke: var(--accent-orange);
  transform: translateX(2px);
}

.project-link--disabled {
  opacity: 0.5;
  cursor: default;
}

.project-link--disabled:hover {
  color: var(--text-muted);
}

.project-link--disabled:hover svg {
  stroke: currentColor;
  transform: none;
}

/* Project Card - Hidden state for filtering */
.project-card.hidden {
  display: none;
}

/* Project Card Image (actual img element) */
.project-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: var(--transition-smooth);
}

.project-card:hover .project-card-img {
  transform: scale(1.05);
}

/* Clickable card cursor */
.clickable-card {
  cursor: pointer;
}

/* ============================
   Project Modal Styles
   ============================ */
.project-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.project-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.project-modal {
  background: var(--surface-color);
  border-radius: 32px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
  transform: translateY(30px) scale(0.95);
  transition: var(--transition-smooth);
}

.project-modal-overlay.active .project-modal {
  transform: translateY(0) scale(1);
}

.project-modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  z-index: 10;
  line-height: 1;
}

.project-modal-close:hover {
  background: var(--accent-orange);
  color: #fff;
  transform: rotate(90deg);
}

/* Gallery */
.project-modal-gallery {
  position: relative;
  width: 100%;
  background: #f0f0f0;
  border-radius: 32px 32px 0 0;
  overflow: hidden;
  min-height: 300px;
  max-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.project-modal-img {
  display: none;
  width: 100%;
  height: 100%;
  max-height: 500px;
  object-fit: contain;
  background: #f8f8fa;
}

.project-modal-img.active {
  display: block;
}

/* Gallery hint */
.project-modal-gallery::after {
  content: 'Click image to cycle \2192';
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  pointer-events: none;
}

/* Modal content */
.project-modal-content {
  padding: 2.5rem 3rem;
}

.project-modal-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.project-modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-modal-content p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.project-modal-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.project-modal-actions .btn {
  padding: 0.85rem 2rem;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .project-modal {
    max-height: 95vh;
    border-radius: 24px;
  }
  
  .project-modal-gallery {
    min-height: 200px;
    max-height: 300px;
    border-radius: 24px 24px 0 0;
  }
  
  .project-modal-img {
    max-height: 300px;
  }
  
  .project-modal-content {
    padding: 1.5rem;
  }
  
  .project-modal-content h2 {
    font-size: 1.5rem;
  }

  .project-modal-gallery::after {
    bottom: 0.5rem;
    right: 0.5rem;
    font-size: 0.65rem;
    padding: 0.3rem 0.75rem;
  }
  
  .project-modal-overlay {
    padding: 1rem;
  }
}

/* Responsive - Projects */
@media (max-width: 768px) {
  .projects-hero {
    min-height: auto;
    padding: 10rem 0 3rem;
    text-align: center;
  }

  .projects-hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .projects-hero-content h1 {
    text-align: center;
  }

  .projects-hero-content p {
    text-align: center;
  }

  .project-filters {
    justify-content: center;
  }

  .filter-btn {
    font-size: 0.75rem;
    padding: 0.6rem 1.2rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .project-card-body {
    padding: 1.5rem;
  }
  
  .project-card-overlay {
    opacity: 1;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
  }
  
  .project-overlay-link {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }
}

/* Responsive Enhancements */
@media (max-width: 900px) {
  .profile-section {
    flex-direction: column;
    padding-top: 8rem;
    gap: 3rem;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Navigation */
  .navbar {
    padding: 1rem 5%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: fixed; /* Ensures it stays to the top on mobile */
    top: 0;
    width: 100%;
    z-index: 1000;
    background: transparent; /* Start doorzichtig */
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
  }
  .navbar.scrolled {
    padding: 1rem 5%;
    background: rgba(255, 255, 255, 0.75); /* Doorschijnend glassmorphism tijdens het scrollen */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
  }
  .nav-brand {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
  .nav-logo {
    height: 60px; /* Logo slightly larger on mobile */
  }
  .hamburger {
    display: flex;
  }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--surface-color);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1001; /* properly below hamburger/brand but above rest of page */
  }
  .nav-links.active {
    right: 0;
  }
  .nav-links a {
    font-size: 2.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.5rem 0rem;
    display: inline-block; /* Zorgt ervoor dat de underline alleen de tekst pakt */
  }
  
  /* Hamburger turning to X */
  .hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  /* Global Layout */
  .container {
    padding: 0 2rem; /* Creating professional spacing strictly for mobile, not stuck to the edge */
  }
  section {
    padding: 4rem 0 !important;
  }
  h1 {
    font-size: 2.2rem !important;
  }
  h2 {
    font-size: 1.8rem !important;
  }
  p {
    font-size: 1rem !important;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 10rem 0 8rem; /* Increased bottom padding to avoid scroll indicator overlap */
    text-align: center;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-socials {
    justify-content: center;
    flex-direction: column;
    gap: 0.8rem !important;
  }
  .hero-socials div {
    display: none;
  }
  .scroll-indicator {
    bottom: 1.5rem; /* Pushed further down on mobile */
  }

  /* Highlight Cards & Grids */
  .intro-grid, .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem;
    padding: 0 1rem;
  }
  .intro-card {
    padding: 2rem 1.5rem !important;
  }
  .focus-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 2rem 0 !important;
  }
  .focus-header {
    min-width: 100% !important;
  }

  /* Quotes Carousel */
  .quote-container {
    min-height: 220px;
  }
  .quote-text {
    font-size: 1.25rem !important;
  }

  /* Contact & Form */
  .contact-form {
    padding: 2rem 1.5rem !important; /* Minder verticaal geplakt, mooie zijkanten */
    margin: 0 0.5rem; /* Zorgt voor zijkant ruimte op mobile */
  }
  
  /* About Page Specific */
  .about-hero {
    min-height: auto !important;
    padding-top: 10rem !important;
    padding-bottom: 4rem;
    text-align: center;
  }
  .profile-section {
    padding-top: 0 !important;
  }
  .profile-text {
    text-align: center;
  }
  .philosophy-section {
    gap: 4rem;
    padding: 0 1rem; /* Zorgt voor extra ruimte links en rechts binnen de sectie */
  }
  .philosophy-content {
    text-align: left; /* Zorgt dat de teksten netjes leesbaar blijven op mobiel */
  }
  .about-card {
    padding: 2rem 1.5rem !important; /* Marges erin gelaten voor CV en connect info */
    margin: 0 0.5rem;
  }
}

@media (max-width: 480px) {
  /* Ultra-small screens */
  .nav-links {
    gap: 2rem;
  }
  .nav-links a {
    font-size: 1.5rem;
  }
  .btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.85rem;
    width: 100%;
    text-align: center;
  }
  .hero-actions {
    width: 100%;
    flex-direction: column;
  }
  .skill-logos {
    gap: 1.5rem;
  }
}