/* Reset et variables CSS */
:root {
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #06b6d4;
  --dark-color: #0f172a;
  --light-color: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--light-color);
  overflow-x: hidden;
}

textarea{
  resize: none;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-brand .brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light-color);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--light-color);
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger.active .bar:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--gray-300);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--light-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

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

/* Hero Section */
.hero-section {
  min-height: calc(100vh - var(--navbar-height));
  position: relative;
  display: flex;
  align-items: center;
  background: var(--gradient-primary);
  overflow: hidden;
  margin-top: 0;
  padding-top: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: 100vh;
}

.hero-text {
  color: var(--light-color);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.highlight {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--gray-200);
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: var(--gray-300);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--dark-color);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--light-color);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Inline call-to-action links ("Voir plus") */
.inline-cta {
  display: inline-block;
  margin-left: 0.25rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  color: var(--primary-color);
  border: 1px solid rgba(99,102,241,0.18);
  background: transparent;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.inline-cta:hover,
.inline-cta:focus {
  background: var(--primary-color);
  color: #fff;
  transform: translateY(-2px);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-container {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.profile-glow {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: var(--gradient-secondary);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse 3s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.05); opacity: 0.5; }
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--gray-300);
  animation: bounce 2s infinite;
}

.scroll-mouse {
  width: 24px;
  height: 36px;
  border: 2px solid var(--gray-300);
  border-radius: 12px;
  position: relative;
  margin-bottom: 0.5rem;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--gray-300);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 2s infinite;
}

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

@keyframes scroll {
  0% { opacity: 0; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(8px); }
  100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

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

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  font-weight: 400;
}

/* About Section */
.about-section {
  padding: 3rem 0;
  background: var(--light-color);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--gray-600);
}

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

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-weight: 500;
}

.about-skills {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.skill-category h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  padding: 0.5rem 1rem;
  background: var(--gradient-primary);
  color: var(--light-color);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Skills Section */
.skills-section {
  padding: 3rem 0;
  background: var(--gray-100);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.skill-card {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

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

.skill-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-color);
  font-size: 1.5rem;
}

.skill-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.skill-card p {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

.skill-progress {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 4px;
  transition: width 1s ease;
}

/* Projects Section */
.projects-section {
  padding: 3rem 0;
  background: var(--light-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

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

.project-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.project-placeholder {
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-color);
  font-size: 3rem;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

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

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  width: 50px;
  height: 50px;
  background: var(--light-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-color);
  text-decoration: none;
  transition: var(--transition);
}

.project-link:hover {
  background: var(--gradient-primary);
  color: var(--light-color);
  transform: scale(1.1);
}

.project-content {
  padding: 1.5rem;
}

.project-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.project-category {
  color: var(--primary-color);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-content p {
  color: var(--gray-600);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Contact Section */
.contact-section {
  padding: 3rem 0;
  background: var(--gray-100);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-color);
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.contact-details p {
  color: var(--gray-600);
  line-height: 1.6;
}

.contact-form {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-note {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.form-note p {
  color: var(--gray-600);
  font-size: 0.875rem;
  margin: 0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.form-note i {
  color: var(--primary-color);
  margin-top: 0.125rem;
}

/* Footer */
.footer {
  background: var(--dark-color);
  color: var(--light-color);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand .brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: var(--gray-400);
  margin: 0;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-color);
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gradient-primary);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  text-align: center;
  color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 768px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
    padding: 1.5rem;
    gap: 1rem;
  }

  .gallery img {
    height: 180px;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    transition: var(--transition);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    font-size: 1.125rem;
    margin: 1rem 0;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
    padding: 2rem;
  }

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

  .hero-buttons {
    justify-content: center;
  }

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

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

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

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

  .btn {
    width: 100%;
    max-width: 250px;
    justify-content: center;
  }
}

/* Animations d'entrée */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.skills-content {
  max-width: 800px;
  margin: 0 auto;
}

.skills-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.skills-intro h3 {
  font-size: 1.5rem;
  color: var(--dark-color);
  line-height: 1.6;
}

.skills-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.skill-item {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.skill-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.skill-icon-large {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-color);
  font-size: 2rem;
}

.skill-item h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.skill-item p {
  color: var(--gray-600);
  font-size: 1rem;
}

.skills-note {
  background: rgba(99, 102, 241, 0.1);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  border-left: 4px solid var(--primary-color);
}

.about-content-full {
  max-width: 800px;
  margin: 0 auto;
}

.about-text-large {
  text-align: center;
}

.social-section {
  text-align: center;
  margin-top: 4rem;
}

.social-section h3 {
  font-size: 1.5rem;
  color: var(--dark-color);
  margin-bottom: 2rem;
}

.social-links-large {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.social-link-large {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-lg);
  text-decoration: none;
  color: var(--dark-color);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  min-width: 120px;
}

.social-link-large:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  color: var(--primary-color);
}

.social-link-large i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.social-link-large span {
  font-weight: 500;
}

/* Gallery styles */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  padding: 2rem;
  max-width: 900px;
  margin: 0 auto;
}
.gallery figure {
  background: rgba(255,255,255,0.9);
  padding: 0.5rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

.gallery figure:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.gallery a {
  display: block;
}
.gallery img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.25s ease;
}
.gallery img:hover { transform: scale(1.03); }
.gallery figcaption {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--gray-600);
  font-weight: 500;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.85);
  z-index: 2000;
  padding: 2rem;
}
.lightbox.active { display: flex; }
.lightbox-inner {
  position: relative;
  max-width: 1100px;
  width: 100%;
}
.lightbox-img {
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  display: block;
}
.lightbox-caption {
  margin-top: 0.5rem;
  color: #e6eef8;
  text-align: center;
}
.lightbox-close {
  position: absolute;
  right: -8px;
  top: -8px;
  background: #111;
  color: #fff;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
}

@media (max-width: 480px) {
  .gallery {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 1rem;
  }

  .gallery img {
    height: 200px;
  }
}

/* Prevent fixed navbar from covering content */
:root { --navbar-height: 70px; }
body { padding-top: var(--navbar-height); }

/* Profile photo centering on the sphere */
.profile-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  margin: 0 auto;
}

/* Ensure project images are responsive and not cropped oddly */
.project-image img {
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
}

/* Mobile nav: slide-in panel (doesn't cover whole page) */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    transform: translateX(-100%);
    width: 260px;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding-top: var(--navbar-height);
    padding-left: 1rem;
    transition: transform 0.35s ease;
    z-index: 1100;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-menu .nav-link {
    margin: 1rem 0;
    width: 100%;
  }
}

/* Section arrows and smooth transitions */
.section-arrow {
  text-align: center;
  padding: 1.5rem 0;
  animation: arrowBounce 2s infinite;
}

.section-arrow a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: var(--light-color);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.section-arrow a:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  background: var(--gradient-secondary);
}

.section-arrow i {
  font-size: 1.5rem;
  animation: arrowPulse 2s infinite;
}

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

@keyframes arrowPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Smooth section transitions */
section {
  transition: all 0.3s ease-in-out;
}

/* Header styling for pages like thetagest */
header {
  padding: 2rem;
  text-align: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--light-color);
  margin-top: 0;
  margin-bottom: 0;
}

header h3 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
}

/* Success Page Styles */
.success-section {
  min-height: calc(100vh - var(--navbar-height));
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 3rem 0;
}

.success-content {
  text-align: center;
  background: rgba(255, 255, 255, 0.95);
  padding: 3rem 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  margin: 0 auto;
  backdrop-filter: blur(10px);
}

.success-icon {
  font-size: 4rem;
  color: #10b981;
  margin-bottom: 1.5rem;
  animation: successScale 0.6s ease-out;
}

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

.success-content h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.success-description {
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
}

.success-details {
  background: rgba(99, 102, 241, 0.05);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
  margin-bottom: 2rem;
  text-align: left;
}

.success-details p {
  color: var(--gray-600);
  margin: 0;
  line-height: 1.6;
}

.success-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.success-actions .btn {
  min-width: 200px;
}

@media (max-width: 768px) {
  .success-section {
    padding: 2rem 0;
  }

  .success-content {
    padding: 2rem 1.5rem;
  }

  .success-content h1 {
    font-size: 1.5rem;
  }

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

  .success-actions .btn {
    width: 100%;
    min-width: auto;
  }
}