:root {
  /* Primary Colors */
  --black: #000000;
  --white: #FFFFFF;
  --accent-red: #FF6B6B;
  --accent-cyan: #4ECDC4;
  --accent-yellow: #FFE66D;

  /* Secondary Colors */
  --gray-light: #F7F7F7;
  --gray-dark: #2D2D2D;

  /* Dark Mode */
  --dark-bg: #0A0A0A;
  --dark-surface: #1A1A1A;
  --dark-text: #F7F7F7;

  /* Typography */
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Borders & Shadows */
  --border-thick: 4px solid var(--black);
  --border-medium: 3px solid var(--black);
  --shadow-hard: 8px 8px 0 var(--black);
  --shadow-large: 12px 12px 0 var(--black);
  --shadow-small: 4px 4px 0 var(--black);

  /* Transitions */
  --transition-fast: all 0.1s ease;
  --transition-medium: all 0.15s ease;
}

body.dark-mode {
  --black: #F7F7F7;
  --white: #0A0A0A;
  --gray-light: #1A1A1A;
  --gray-dark: #F7F7F7;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--gray-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--black);
}

h1 { font-size: clamp(3rem, 8vw, 5rem); }
h2 { font-size: clamp(2rem, 6vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 4vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  font-size: 1rem;
  line-height: 1.6;
}

strong {
  font-weight: 700;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: var(--border-thick);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.nav-brand .brand-logo {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border: 4px solid var(--black);
  box-shadow: 6px 6px 0 var(--accent-red);
  background: var(--white);
  padding: 4px;
  cursor: pointer;
}

body.dark-mode .nav-brand .brand-logo {
  background: var(--dark-surface);
  border-color: var(--dark-text);
  box-shadow: 6px 6px 0 var(--accent-red);
}

.nav-buttons {
  display: flex;
  gap: 0.5rem;
}

.nav-btn {
  padding: 0.75rem 1.5rem;
  background: var(--white);
  border: var(--border-medium);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: var(--transition-fast);
}

.nav-btn:hover,
.nav-btn.is-active {
  background: var(--black);
  color: var(--white);
}

.nav-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-small);
}

.dark-mode-toggle {
  width: 50px;
  height: 50px;
  border: 4px solid var(--black);
  background: var(--accent-yellow);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 4px 4px 0 var(--black);
}

.dark-mode-toggle:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--black);
}

body.dark-mode .dark-mode-toggle {
  background: var(--dark-surface);
  border-color: var(--dark-text);
  box-shadow: 4px 4px 0 var(--accent-cyan);
}

body.dark-mode .dark-mode-toggle:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--accent-cyan);
}

.dark-mode-toggle .moon-icon {
  display: inline;
}

.dark-mode-toggle .sun-icon {
  display: none;
}

body.dark-mode .dark-mode-toggle .moon-icon {
  display: none;
}

body.dark-mode .dark-mode-toggle .sun-icon {
  display: inline;
  color: var(--accent-yellow);
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-weight: 900;
  font-size: 0.875rem;
  text-transform: uppercase;
  font-family: var(--font-heading);
  border: var(--border-thick);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background: var(--accent-red);
  color: var(--white);
  border-color: var(--black);
  box-shadow: var(--shadow-hard);
}

.btn-primary:hover {
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-small);
}

.btn-secondary {
  background: var(--accent-cyan);
  color: var(--black);
  border-color: var(--black);
  box-shadow: var(--shadow-hard);
}

.btn-secondary:hover {
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-small);
}

.btn-outline {
  background: var(--white);
  color: var(--black);
  border-color: var(--black);
  box-shadow: var(--shadow-hard);
}

.btn-outline:hover {
  background: var(--black);
  color: var(--white);
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-small);
}

.btn-small {
  padding: 0.75rem 1.5rem;
  font-size: 0.75rem;
  box-shadow: var(--shadow-small);
}

.btn-block {
  width: 100%;
}

.card {
  background: var(--white);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 2rem;
  transition: var(--transition-medium);
}

.card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 16px 16px 0 var(--black);
}

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: var(--border-medium);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-family: var(--font-mono);
  box-shadow: var(--shadow-small);
}

.badge-green {
  background: var(--accent-yellow);
  color: #000000;
}

.badge-yellow {
  background: var(--accent-yellow);
  color: var(--black);
}

#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  background: var(--gray-light);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-heading {
  margin-bottom: 1.5rem;
  line-height: 0.9;
}

.hero-lead {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.hero-location {
  font-size: 1rem;
  margin-bottom: 2rem;
  color: var(--gray-dark);
}

.hero-badges {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat-box {
  text-align: center;
}

.stat-box strong {
  display: block;
  font-size: 2.5rem;
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--black);
  line-height: 1;
}

.stat-box span {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-top: 0.5rem;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.hero-image {
  width: 300px;
  height: 300px;
  object-fit: cover;
  border: var(--border-thick);
  box-shadow: var(--shadow-large);
}

.geo-accent {
  position: absolute;
  border: var(--border-thick);
  z-index: 1;
}

.geo-square-large {
  width: 200px;
  height: 200px;
  background: var(--accent-cyan);
  top: -2rem;
  right: -2rem;
}

.geo-square-small {
  width: 80px;
  height: 80px;
  background: var(--accent-yellow);
  bottom: 2rem;
  left: -1rem;
  transform: rotate(15deg);
}

#featured-project {
  padding: 6rem 0;
  background: var(--white);
}

.featured-badge {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--accent-yellow);
  border: var(--border-thick);
  font-weight: 900;
  font-size: 1rem;
  text-transform: uppercase;
  font-family: var(--font-heading);
  box-shadow: var(--shadow-hard);
  margin-bottom: 3rem;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.project-image-wrapper {
  position: relative;
  border: var(--border-thick);
  box-shadow: var(--shadow-large);
  overflow: hidden;
}

.featured-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.image-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-medium);
  color: var(--white);
  font-weight: 900;
  font-size: 1.5rem;
  text-transform: uppercase;
  font-family: var(--font-heading);
}

.project-image-wrapper:hover .image-overlay {
  opacity: 1;
}

.featured-title {
  margin-bottom: 0.5rem;
}

.featured-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--gray-dark);
}

.featured-description {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.highlight-boxes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.highlight-box {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--gray-light);
  border: var(--border-thick);
  box-shadow: var(--shadow-small);
}

.highlight-box strong {
  display: block;
  font-size: 2rem;
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--black);
  line-height: 1;
}

.highlight-box span {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-top: 0.5rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.tech-tag {
  padding: 0.5rem 1rem;
  background: var(--accent-yellow);
  color: var(--black);
  border: var(--border-medium);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  box-shadow: var(--shadow-small);
}

.featured-links {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.project-note {
  padding: 1rem;
  background: var(--gray-light);
  border-left: 8px solid var(--accent-cyan);
  font-size: 0.875rem;
  font-style: italic;
}

#projects {
  padding: 6rem 0;
  background: var(--gray-light);
}

.section-title {
  margin-bottom: 3rem;
  text-align: center;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--white);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  transition: var(--transition-medium);
  overflow: hidden;
}

.project-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 16px 16px 0 var(--black);
}

.card-enterprise {
  border-left: 8px solid var(--accent-red);
}

.card-fullstack {
  border-left: 8px solid var(--accent-cyan);
}

.card-ml {
  border-left: 8px solid var(--accent-yellow);
}

.card-api {
  border-left: 8px solid var(--black);
}

.card-mobile {
  border-left: 8px solid #9B59B6;
}

.card-audio {
  border-left: 8px solid var(--accent-red);
}

body.dark-mode .project-card {
  background: var(--dark-surface);
  border: 4px solid var(--dark-text);
  box-shadow: 8px 8px 0 var(--accent-cyan);
  color: var(--dark-text);
}

body.dark-mode .project-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 12px 12px 0 var(--accent-cyan);
}

body.dark-mode .project-card h3,
body.dark-mode .project-card h4 {
  color: var(--dark-text);
}

body.dark-mode .project-card p {
  color: var(--dark-text);
  opacity: 0.9;
}

body.dark-mode .card-enterprise {
  border-left: 8px solid var(--accent-red);
}

body.dark-mode .card-fullstack {
  border-left: 8px solid var(--accent-cyan);
}

body.dark-mode .card-ml {
  border-left: 8px solid var(--accent-yellow);
}

body.dark-mode .card-api {
  border-left: 8px solid var(--accent-red);
}

body.dark-mode .card-mobile {
  border-left: 8px solid #9B59B6;
}

body.dark-mode .card-audio {
  border-left: 8px solid var(--accent-red);
}

.project-card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: var(--border-thick);
}

.project-card-content {
  padding: 1.5rem;
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.project-card-header h3 {
  font-size: 1.25rem;
}

.project-tag {
  padding: 0.25rem 0.75rem;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font-mono);
  border: 2px solid var(--black);
  white-space: nowrap;
}

.tag-enterprise {
  background: var(--accent-red);
  color: var(--white);
}

.tag-fullstack {
  background: var(--accent-cyan);
  color: var(--black);
}

.tag-ml {
  background: var(--accent-yellow);
  color: var(--black);
}

.tag-api {
  background: var(--black);
  color: var(--white);
}

.tag-mobile {
  background: #9B59B6;
  color: var(--white);
}

.tag-audio {
  background: var(--accent-red);
  color: var(--white);
}

.project-card-content p {
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.tech-stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tech-stack-tags span {
  padding: 0.25rem 0.5rem;
  background: var(--gray-light);
  border: 2px solid var(--black);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--black);
}

body.dark-mode .tech-stack-tags span {
  background: var(--dark-surface);
  border: 2px solid var(--dark-text);
  color: var(--dark-text);
}

#about {
  padding: 6rem 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.bio-card h3 {
  margin-bottom: 1rem;
}

.bio-card p {
  margin-bottom: 1rem;
}

.highlight-card {
  padding: 2rem;
}

.highlight-card h3 {
  margin-bottom: 1.5rem;
}

.highlight-card ul {
  list-style: none;
  padding: 0;
}

.highlight-card li {
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.card-yellow {
  background: var(--accent-yellow);
}

.card-cyan {
  background: var(--accent-cyan);
}

#experience {
  padding: 6rem 0;
  background: var(--gray-light);
}

.experience-timeline {
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  background: var(--white);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 2rem;
  margin-bottom: 2rem;
  transition: var(--transition-medium);
}

.timeline-item:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-large);
}

.date-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--black);
  color: var(--white);
  border: var(--border-medium);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-bottom: 1rem;
}

.timeline-item h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.timeline-item .company {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-dark);
  margin-bottom: 1rem;
}

.timeline-item ul {
  padding-left: 1.5rem;
}

.timeline-item li {
  position: relative;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.timeline-item li::before {
  content: "▸";
  position: absolute;
  left: -1.5rem;
  color: var(--black);
  font-weight: 900;
}

#skills {
  padding: 6rem 0;
  background: var(--white);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.skill-card h4 {
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.skill-tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  padding: 0.75rem 1rem;
  background: var(--accent-yellow);
  color: var(--black);
  border: var(--border-medium);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  box-shadow: var(--shadow-small);
  transition: var(--transition-fast);
}

.skill-tag:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--black);
}

#contact {
  padding: 6rem 0;
  background: var(--gray-light);
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-info p {
  margin-bottom: 2rem;
  font-size: 1.125rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--white);
  border: var(--border-thick);
  box-shadow: var(--shadow-small);
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font-heading);
  transition: var(--transition-fast);
}

.contact-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.contact-icon {
  font-size: 2rem;
}

.availability-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: #2ECC71;
  border: var(--border-thick);
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: #000000;
}

.status-dot {
  width: 12px;
  height: 12px;
  background: #27AE60;
  border: 2px solid var(--black);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

footer {
  background: var(--black);
  color: var(--white);
  padding: 3rem 0 1rem;
  border-top: var(--border-thick);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 700;
  font-size: 1.125rem;
}

.footer-brand .brand-logo {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border: 4px solid var(--white);
  box-shadow: 6px 6px 0 var(--accent-red);
  background: var(--white);
  padding: 4px;
}

body.dark-mode .footer-brand .brand-logo {
  background: var(--dark-surface);
  border-color: var(--dark-text);
  box-shadow: 6px 6px 0 var(--accent-red);
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 3px solid var(--white);
  font-size: 0.875rem;
  opacity: 0.8;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 4rem;
  height: 4rem;
  background: var(--black);
  color: var(--white);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  font-size: 2rem;
  font-weight: 900;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 var(--black);
}

@media (max-width: 1024px) {
  .container {
    padding: 0 1.5rem;
  }

  .hero-grid,
  .featured-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    order: -1;
  }

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

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .nav-container {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .nav-buttons {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .nav-btn {
    flex: 1;
    padding: 0.75rem 0.5rem;
    font-size: 0.75rem;
    text-align: center;
  }

  #hero {
    min-height: 100vh;
    padding: 8rem 1rem 4rem;
    display: flex;
    align-items: center;
  }

  .hero-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    min-height: calc(100vh - 12rem);
    justify-content: center;
  }

  .hero-heading {
    font-size: 2.5rem;
  }

  .hero-visual {
    margin: 2rem 0;
  }

  .hero-image {
    width: 250px;
    height: 250px;
  }

  .geo-square-large {
    width: 150px;
    height: 150px;
  }

  /* Add scroll hint */
  #hero::after {
    content: '↓';
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: var(--accent-cyan);
    animation: bounce 2s infinite;
  }

  .highlight-boxes {
    grid-template-columns: 1fr;
  }

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

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

  .footer-content {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) translateY(10px);
    opacity: 0.7;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .stat-box {
    width: 100%;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
  }

  .featured-links {
    flex-direction: column;
  }

  .back-to-top {
    width: 3rem;
    height: 3rem;
    font-size: 1.5rem;
    bottom: 1rem;
    right: 1rem;
  }
}

body.dark-mode section {
  background: var(--dark-bg);
  color: var(--dark-text);
}

body.dark-mode #hero {
  background: var(--dark-surface);
}

body.dark-mode #featured-project {
  background: var(--dark-bg);
}

body.dark-mode #projects {
  background: var(--dark-surface);
}

body.dark-mode #about {
  background: var(--dark-bg);
}

body.dark-mode #experience {
  background: var(--dark-surface);
}

body.dark-mode #skills {
  background: var(--dark-bg);
}

body.dark-mode #contact {
  background: var(--dark-surface);
}

body.dark-mode .section-title {
  color: var(--dark-text);
}

body.dark-mode .bio-card {
  background: var(--dark-surface);
  border: 4px solid var(--dark-text);
  box-shadow: 8px 8px 0 var(--accent-cyan);
  color: var(--dark-text);
}

body.dark-mode .bio-card h3 {
  color: var(--dark-text);
}

body.dark-mode .highlight-card h3,
body.dark-mode .highlight-card li {
  color: #000000;
}

body.dark-mode .timeline-item {
  background: var(--dark-bg);
  border: 4px solid var(--dark-text);
  box-shadow: 8px 8px 0 var(--accent-red);
  color: var(--dark-text);
}

body.dark-mode .timeline-item h3,
body.dark-mode .timeline-item li {
  color: var(--dark-text);
}

body.dark-mode .date-badge {
  background: var(--accent-cyan);
  color: #000000;
  border: 3px solid #000000;
  font-weight: 700;
}

body.dark-mode .company {
  color: var(--accent-cyan);
}

body.dark-mode .skill-card {
  background: var(--dark-surface);
  border: 4px solid var(--dark-text);
  box-shadow: 8px 8px 0 var(--accent-red);
  color: var(--dark-text);
}

body.dark-mode .skill-card h4 {
  color: var(--dark-text);
}

body.dark-mode .contact-info h3,
body.dark-mode .contact-info p {
  color: var(--dark-text);
}

body.dark-mode .contact-link {
  background: var(--dark-bg);
  border: 3px solid var(--dark-text);
  color: var(--dark-text);
}

body.dark-mode .contact-link:hover {
  background: var(--accent-cyan);
  color: #000000;
  border-color: #000000;
}

body.dark-mode .availability-badge {
  background: #27AE60;
  border: 3px solid #000000;
  color: #000000;
}

body.dark-mode .status-dot {
  background: #2ECC71;
  border-color: #000000;
}

body.dark-mode footer {
  background: var(--dark-surface);
  border-top: 4px solid var(--dark-text);
  color: var(--dark-text);
}

body.dark-mode footer a {
  color: var(--dark-text);
}

body.dark-mode footer a:hover {
  color: var(--accent-cyan);
}

body.dark-mode .photo-grid img,
body.dark-mode .about-photo {
  border-color: var(--dark-text);
  opacity: 0.95;
}

body.dark-mode .project-card-image img,
body.dark-mode .featured-image {
  opacity: 0.95;
  border-color: var(--dark-text);
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
  color: var(--dark-text);
}

body.dark-mode p,
body.dark-mode li {
  color: var(--dark-text);
}

body.dark-mode .project-tag {
  border-color: #000000;
}

body.dark-mode .tag-enterprise {
  background: var(--accent-red);
  color: var(--white);
  border-color: #000000;
}

body.dark-mode .tag-fullstack {
  background: var(--accent-cyan);
  color: #000000;
  border-color: #000000;
}

body.dark-mode .tag-ml {
  background: var(--accent-yellow);
  color: #000000;
  border-color: #000000;
}

body.dark-mode .tag-api {
  background: #000000;
  color: var(--white);
  border-color: var(--dark-text);
}

body.dark-mode .tag-mobile {
  background: #9B59B6;
  color: var(--white);
  border-color: #000000;
}

body.dark-mode .tag-audio {
  background: var(--accent-red);
  color: var(--white);
  border-color: #000000;
}

body.dark-mode .featured-title,
body.dark-mode .featured-subtitle,
body.dark-mode .featured-description {
  color: var(--dark-text);
}

body.dark-mode .highlight-box {
  background: var(--dark-surface);
  border-color: var(--dark-text);
}

body.dark-mode .highlight-box strong,
body.dark-mode .highlight-box span {
  color: var(--dark-text);
}

body.dark-mode .project-note {
  background: var(--dark-surface);
  border-left-color: var(--accent-cyan);
  color: var(--dark-text);
}

.hero-badge,
.badge,
.tech-tag,
.skill-tag,
.highlight-card.card-yellow,
.featured-badge {
  background: var(--accent-yellow);
  color: #000000 !important;
  font-weight: 700;
  border-color: var(--black);
}

body.dark-mode .hero-badge,
body.dark-mode .badge,
body.dark-mode .tech-tag,
body.dark-mode .skill-tag,
body.dark-mode .highlight-card.card-yellow,
body.dark-mode .featured-badge {
  background: var(--accent-yellow);
  color: #000000 !important;
  border-color: #000000;
  font-weight: 700;
}

body.dark-mode .highlight-card.card-cyan {
  background: var(--accent-cyan);
  color: #000000;
  font-weight: 600;
}

body.dark-mode .badge-green {
  background: var(--accent-yellow);
  color: #000000 !important;
}

body.dark-mode .badge-yellow {
  background: var(--accent-yellow);
  color: #000000 !important;
}

.btn-yellow,
button.yellow {
  background: var(--accent-yellow);
  color: #000000 !important;
  font-weight: 900;
}

body.dark-mode .btn-yellow,
body.dark-mode button.yellow {
  background: var(--accent-yellow);
  color: #000000 !important;
  border-color: #000000;
}

/* Featured project screenshot gallery */
.featured-screenshots {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 4px solid var(--black);
}

.screenshots-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: -1px;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.screenshot-item {
  position: relative;
  overflow: hidden;
  border: 4px solid var(--black);
  box-shadow: var(--shadow-small);
  transition: all 0.2s ease;
  background: var(--white);
}

.screenshot-item:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
}

.screenshot-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: all 0.3s ease;
}

.screenshot-item:hover img {
  transform: scale(1.03);
}

.screenshot-label {
  padding: 0.75rem;
  background: var(--black);
  color: var(--white);
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 1px;
  border-top: 3px solid var(--black);
}

body.dark-mode .featured-screenshots {
  border-top-color: var(--dark-text);
}

body.dark-mode .screenshot-item {
  border-color: var(--dark-text);
  box-shadow: 4px 4px 0 var(--accent-cyan);
  background: var(--dark-surface);
}

body.dark-mode .screenshot-item:hover {
  box-shadow: 8px 8px 0 var(--accent-cyan);
}

body.dark-mode .screenshot-label {
  background: var(--accent-cyan);
  color: #000000;
  border-top-color: #000000;
}

/* Project card with multiple links */
.project-card-links {
  display: flex;
  gap: 0.75rem;
}

.btn-outline-small {
  padding: 0.75rem 1.5rem;
  font-size: 0.75rem;
  background: var(--white);
  color: var(--black);
  border-color: var(--black);
  box-shadow: var(--shadow-small);
}

.btn-outline-small:hover {
  background: var(--black);
  color: var(--white);
}

body.dark-mode .btn-outline-small {
  background: var(--dark-surface);
  color: var(--dark-text);
  border-color: var(--dark-text);
}

body.dark-mode .btn-outline-small:hover {
  background: var(--accent-cyan);
  color: #000000;
}

@media (max-width: 768px) {
  .screenshots-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
  }

  .screenshot-item img {
    height: 150px;
  }

  .featured-screenshots {
    margin-top: 3rem;
    padding-top: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 4px solid var(--accent-cyan);
  outline-offset: 2px;
}

.lightbox {
  display: none;
  position: fixed;
  z-index: 10000;
  padding: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.95);
  animation: fadeIn 0.3s ease;
}

.lightbox-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 90%;
  border: 6px solid white;
  box-shadow: 12px 12px 0 var(--accent-cyan);
  animation: zoomIn 0.3s ease;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 40px;
  color: white;
  font-size: 50px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.1s;
  background: var(--accent-red);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid white;
  box-shadow: 6px 6px 0 white;
  line-height: 1;
}

.lightbox-close:hover {
  transform: translate(3px, 3px);
  box-shadow: 3px 3px 0 white;
}

.lightbox-caption {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
  text-align: center;
  color: white;
  padding: 20px 0;
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.lightbox-prev,
.lightbox-next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  padding: 0;
  color: white;
  font-weight: bold;
  font-size: 30px;
  transition: 0.1s;
  background: var(--accent-cyan);
  border: 4px solid white;
  box-shadow: 6px 6px 0 white;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  transform: translateY(-50%) translate(3px, 3px);
  box-shadow: 3px 3px 0 white;
}

.clickable-image {
  cursor: pointer;
  transition: all 0.2s ease;
}

.clickable-image:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes zoomIn {
  from { transform: scale(0.8); }
  to { transform: scale(1); }
}

.moments-section {
  margin: 4rem 0;
  padding: 3rem 0;
  border-top: 4px solid var(--black);
}

.moments-section h3 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: -1px;
}

.moments-subtitle {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 3rem;
  color: var(--gray-dark);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border: 4px solid var(--black);
  box-shadow: 8px 8px 0 var(--black);
  transition: all 0.2s ease;
  background: var(--white);
}

.gallery-item:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--black);
}

.gallery-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
  transition: all 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--accent-yellow);
  color: #000000;
  padding: 1rem;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
  border-top: 4px solid var(--black);
  transform: translateY(100%);
  transition: transform 0.2s ease;
  letter-spacing: 1px;
}

.gallery-item:hover .gallery-label {
  transform: translateY(0);
}

body.dark-mode .lightbox {
  background-color: rgba(0, 0, 0, 0.98);
}

body.dark-mode .lightbox-content {
  border-color: var(--dark-text);
}

body.dark-mode .moments-section {
  border-top-color: var(--dark-text);
}

body.dark-mode .moments-subtitle {
  color: var(--dark-text);
  opacity: 0.8;
}

body.dark-mode .gallery-item {
  border-color: var(--dark-text);
  box-shadow: 8px 8px 0 var(--accent-cyan);
  background: var(--dark-surface);
}

body.dark-mode .gallery-item:hover {
  box-shadow: 12px 12px 0 var(--accent-cyan);
}

body.dark-mode .gallery-label {
  background: var(--accent-yellow);
  color: #000000;
  border-top-color: #000000;
}

@media (max-width: 768px) {
  .lightbox {
    padding: 20px;
  }

  .lightbox-content {
    max-width: 95%;
    border: 4px solid white;
    box-shadow: 6px 6px 0 var(--accent-cyan);
  }

  .lightbox-close {
    top: 10px;
    right: 10px;
    font-size: 35px;
    width: 50px;
    height: 50px;
  }

  .lightbox-prev,
  .lightbox-next {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }

  .lightbox-prev {
    left: 10px;
  }

  .lightbox-next {
    right: 10px;
  }

  .lightbox-caption {
    font-size: 1rem;
    padding: 15px 0;
  }
  .photo-gallery {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .gallery-item img {
    height: 250px;
  }

  .gallery-item {
    box-shadow: 4px 4px 0 var(--black);
  }

  .gallery-item:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--black);
  }

  body.dark-mode .gallery-item {
    box-shadow: 4px 4px 0 var(--accent-cyan);
  }

  body.dark-mode .gallery-item:hover {
    box-shadow: 6px 6px 0 var(--accent-cyan);
  }
}

@media print {
  header,
  footer,
  .back-to-top,
  .dark-mode-toggle {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 2px solid black;
  }
}

.toast-notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: #2ECC71;
  border: 4px solid #000000;
  box-shadow: 8px 8px 0 #000000;
  padding: 1.5rem;
  max-width: 400px;
  z-index: 10000;
  animation: toast-slide-in 0.3s ease forwards;
}

.toast-notification.toast-error {
  background: var(--accent-red);
}

.toast-notification strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: #000000;
}

.toast-notification p {
  margin: 0;
  color: #000000;
  font-size: 0.875rem;
}

.toast-notification.toast-fade-out {
  animation: toast-slide-out 0.3s ease forwards;
}

@keyframes toast-slide-in {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes toast-slide-out {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(120%); opacity: 0; }
}

@media (max-width: 768px) {
  .toast-notification {
    top: 1rem;
    right: 1rem;
    left: 1rem;
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10001;
  padding: 1rem 1.5rem;
  background: var(--accent-yellow);
  color: #000000;
  border: var(--border-thick);
  font-family: var(--font-heading);
  font-weight: 900;
  text-transform: uppercase;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}