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

:root {
  --color-background: #0a0a0f;
  --color-surface: #16161f;
  --color-surface-light: #1f1f2e;
  --color-text: #e8e8f0;
  --color-text-muted: #9898a8;
  --color-accent: #8b5cf6;
  --color-accent-hover: #7c3aed;
  --color-accent-light: rgba(139, 92, 246, 0.1);
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.1rem;
}

.logo-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  transition: var(--transition);
  font-size: 0.95rem;
}

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

.btn-contact {
  background-color: var(--color-accent);
  color: var(--color-text);
  padding: 0.6rem 1.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.btn-contact:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 2px;
  background-color: var(--color-text);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.hero-text {
  flex: 1;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-text), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.hero-image {
  flex: 0 0 280px;
}

.profile-image {
  width: 100%;
  height: auto;
  border-radius: 50%;
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.4),
              0 0 50px rgba(139, 92, 246, 0.25),
              0 0 70px rgba(139, 92, 246, 0.15);
  position: relative;
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

.hero-illustration {
  width: 100%;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.hero-illustration:hover {
  transform: scale(1.05) rotate(2deg);
}

.hero-illustration svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.3));
  transition: var(--transition);
}

.hero-illustration:hover svg {
  filter: drop-shadow(0 0 30px rgba(139, 92, 246, 0.6));
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
}

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

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

/* Sections */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-weight: 700;
}

.realisations-preview {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
}

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

.project-card {
  background-color: var(--color-surface-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 40px rgba(139, 92, 246, 0.2);
}

.project-image {
  width: 100%;
  height: 200px;
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.project-placeholder,
.project-mockup {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-surface), var(--color-surface-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-img,
.project-mockup-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.project-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* About Preview */
.about-preview {
  padding: var(--spacing-xl) 0;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-text h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.about-text p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

/* Page Header */
.page-header {
  padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.page-header p {
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

/* Services */
.services {
  padding: var(--spacing-lg) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background-color: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-5px);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Process */
.process {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
}

.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.process-step {
  flex: 1;
  min-width: 250px;
  background-color: var(--color-surface-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-sm);
}

.process-step h3 {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-xs);
}

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

.process-arrow {
  font-size: 2rem;
  color: var(--color-accent);
}

/* Projects Detail */
.projects-detail {
  padding: var(--spacing-lg) 0;
}

.project-detail {
  margin-bottom: var(--spacing-xl);
}

.project-detail-content {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.project-detail-content.reverse {
  flex-direction: row-reverse;
}

.project-detail-image {
  flex: 1;
}

.project-mockup {
  height: 400px;
}

.project-detail-text {
  flex: 1;
}

.project-detail-text h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.project-category {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.project-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.project-features {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.feature-tag {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  border: 1px solid var(--color-accent);
}

/* About Full */
.about-full {
  padding: var(--spacing-lg) 0;
}

.about-full-content {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-full-image {
  flex: 0 0 280px;
}

.profile-image-large {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.4),
              0 0 50px rgba(139, 92, 246, 0.25),
              0 0 70px rgba(139, 92, 246, 0.15);
  object-fit: cover;
  object-position: center 60%;
  background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 50%, #7c3aed 100%);
  transition: var(--transition);
  display: block;
}

.profile-image-large:hover {
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.6),
              0 0 70px rgba(139, 92, 246, 0.4),
              0 0 100px rgba(139, 92, 246, 0.25);
}

.about-full-text {
  flex: 1;
}

.about-full-text h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.about-intro {
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.about-full-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
  font-size: 1.05rem;
}

/* Skills */
.skills {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.skill-card {
  background-color: var(--color-surface-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.skill-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-5px);
}

.skill-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.skill-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-xs);
}

.skill-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Contact */
.contact-content {
  padding: var(--spacing-lg) 0;
}

.contact-card {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-sm);
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.email-link {
  display: inline-block;
  font-size: 1.5rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

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

.contact-details {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-details h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.contact-list {
  list-style: none;
}

.contact-list li {
  padding: var(--spacing-xs) 0;
  color: var(--color-text-muted);
  position: relative;
  padding-left: 1.5rem;
}

.contact-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--color-surface), var(--color-surface-light));
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.cta-content p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

/* Footer */
.footer {
  background-color: var(--color-surface);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-left p {
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-surface-light);
  color: var(--color-text-muted);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-links a:hover {
  background-color: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-column h4 {
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: var(--spacing-xs);
}

.footer-column a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.95rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Animations */
.fade-in {
  animation: fadeIn 0.8s ease-out;
}

.fade-in-delay-1 {
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.fade-in-delay-2 {
  animation: fadeIn 0.8s ease-out 0.4s both;
}

.fade-in-delay-3 {
  animation: fadeIn 0.8s ease-out 0.6s both;
}

.fade-in-delay-4 {
  animation: fadeIn 0.8s ease-out 0.8s both;
}

.fade-in-delay-5 {
  animation: fadeIn 0.8s ease-out 1s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero {
    padding: calc(80px + var(--spacing-md)) 0 var(--spacing-md);
    min-height: auto;
  }

  .hero-content {
    flex-direction: column-reverse;
    gap: var(--spacing-md);
  }

  .hero-image {
    flex: 0 0 auto;
    width: 100%;
    max-width: 300px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

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

  .process-steps {
    flex-direction: column;
  }

  .process-arrow {
    transform: rotate(90deg);
  }

  .project-detail-content,
  .project-detail-content.reverse {
    flex-direction: column;
  }

  .about-full-content {
    flex-direction: column;
  }

  .about-full-image {
    flex: 0 0 auto;
    width: 100%;
    max-width: 300px;
  }

  .footer-content {
    flex-direction: column;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}