/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-blue: #0077ff;
  --primary-blue-dark: #0055cc;
  --violet: #aa00ff;
  --orange: #ff6600;
  --dark-bg: #0e0e0e;
  --dark-bg-light: #1c1c1c;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --border-radius: 20px;
  --border-radius-sm: 12px;
  --transition-speed: 0.3s;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, var(--dark-bg), var(--dark-bg-light));
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

body.menu-open {
  overflow: hidden;
}

/* ==========================================
   ANIMATED BACKGROUND BLOBS
   ========================================== */
.bg-blobs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.blob {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  opacity: 0.3;
  filter: blur(80px);
  animation: float 20s infinite ease-in-out alternate;
}

.blob.blue {
  background: radial-gradient(circle, var(--primary-blue), #0055aa);
  animation-delay: 0s;
}

.blob.violet {
  background: radial-gradient(circle, var(--violet), #5500aa);
  animation-delay: 5s;
}

.blob.orange {
  background: radial-gradient(circle, var(--orange), #aa3300);
  animation-delay: 10s;
}

@keyframes float {
  0% {
    transform: translateY(0) translateX(0) scale(1);
  }
  50% {
    transform: translateY(-50px) translateX(30px) scale(1.05);
  }
  100% {
    transform: translateY(-30px) translateX(-30px) scale(1.1);
  }
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(20, 20, 20, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: transform var(--transition-speed);
}

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

.logo {
  height: 48px;
  width: auto;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: bold;
  background: linear-gradient(135deg, var(--primary-blue), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-speed);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-blue), var(--violet));
  transition: width var(--transition-speed);
}

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

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

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: all var(--transition-speed);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-8px);
}

/* ==========================================
   MAIN CONTAINER
   ========================================== */
.main-container {
  min-height: 100vh;
  padding-top: 100px;
  padding-bottom: 80px;
  transition: opacity var(--transition-speed);
}

/* ==========================================
   CONTENT CONTAINERS
   ========================================== */
.content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
  animation: fadeIn 0.5s ease-out;
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

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

/* Page titles */
.page-title {
  font-size: 3rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary-blue), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
}

/* ==========================================
   HOME PAGE - ACCUEIL
   ========================================== */
.hero-section {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary-blue), var(--violet), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

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

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--transition-speed);
  opacity: 0;
  transform: translateY(30px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-blue);
  box-shadow: 0 10px 40px rgba(0, 119, 255, 0.2);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.feature-link {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition-speed);
}

.feature-link:hover {
  gap: 1rem;
}

/* ==========================================
   ABOUT PAGE - À PROPOS
   ========================================== */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.about-section h2 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-blue);
}

.about-section p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.skill-tag {
  background: linear-gradient(135deg, var(--primary-blue), var(--violet));
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform var(--transition-speed);
}

.skill-tag:hover {
  transform: scale(1.1);
}

/* ==========================================
   PROJECTS PAGE - PROJETS
   ========================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.project-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--transition-speed);
  opacity: 0;
  transform: translateY(30px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 40px rgba(0, 119, 255, 0.3);
}

.project-card.active {
  border-color: #00ff88;
}

.project-card.coming-soon {
  opacity: 0.7;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.project-icon {
  font-size: 2.5rem;
}

.project-status {
  background: linear-gradient(135deg, #00ff88, #00cc66);
  color: var(--dark-bg);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: bold;
}

.project-status.coming {
  background: linear-gradient(135deg, var(--orange), #cc5500);
  color: white;
}

.project-card h3 {
  font-size: 1.6rem;
  margin-bottom: var(--spacing-sm);
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin: var(--spacing-sm) 0;
}

.tech-tag {
  background: rgba(0, 119, 255, 0.2);
  border: 1px solid var(--primary-blue);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.85rem;
  color: var(--primary-blue);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 600;
  margin-top: var(--spacing-sm);
  transition: gap var(--transition-speed);
}

.project-link:hover {
  gap: 1rem;
}

/* ==========================================
   BLOG PAGE - NOTES
   ========================================== */
.blog-list {
  max-width: 900px;
  margin: 0 auto;
}

.blog-post {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--transition-speed);
  opacity: 0;
  transform: translateY(30px);
}

.blog-post.visible {
  opacity: 1;
  transform: translateY(0);
}

.blog-post:hover {
  border-color: var(--primary-blue);
  box-shadow: 0 5px 30px rgba(0, 119, 255, 0.2);
}

.blog-post.future {
  opacity: 0.8;
  border-style: dashed;
}

.blog-date {
  color: var(--primary-blue);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

.blog-post h2 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-sm);
}

.blog-post p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.blog-post ul {
  margin-left: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.8;
}

.blog-post li {
  margin-bottom: var(--spacing-xs);
}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  height: fit-content;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-blue);
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--border-radius-sm);
}

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

.contact-method h4 {
  margin-bottom: 0.2rem;
}

.contact-method p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.contact-form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(0, 119, 255, 0.1);
}

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

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.9rem 2rem;
  background: linear-gradient(135deg, var(--primary-blue), var(--violet));
  border: none;
  border-radius: var(--border-radius-sm);
  color: white;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0, 119, 255, 0.4);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: rgba(20, 20, 20, 0.8);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-md);
  margin-top: auto;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-md);
}

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

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

.footer-links a {
  color: var(--text-secondary);
  transition: all var(--transition-speed);
  display: flex;
  align-items: center;
  padding: 0.5rem;
}

.footer-links a:hover {
  color: var(--primary-blue);
  transform: scale(1.2);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 968px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: rgba(20, 20, 20, 0.98);
    backdrop-filter: blur(20px);
    transition: right var(--transition-speed);
    padding-top: 100px;
  }
  
  .nav.active {
    right: 0;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
  }
  
  .nav-list {
    flex-direction: column;
    padding: var(--spacing-md);
    gap: 0;
  }
  
  .nav-list li {
    width: 100%;
    border-bottom: 1px solid var(--glass-border);
  }
  
  .nav-link {
    display: block;
    padding: var(--spacing-sm);
    width: 100%;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .page-title {
    font-size: 2.2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .header-content {
    padding: 1rem var(--spacing-sm);
  }
  
  .logo-text {
    display: none;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .page-title {
    font-size: 1.8rem;
  }
  
  .content {
    padding: var(--spacing-sm);
  }
  
  .about-section,
  .contact-form,
  .contact-info {
    padding: var(--spacing-sm);
  }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }