/**
 * MARPEAP DIGITALS - DESIGN SYSTEM
 * @theme Cyberpunk Professional / Dark Mode
 * @author Marpeap Digitals
 * @version 2025.1.0
 */

/* ========================================
   CSS VARIABLES - DESIGN SYSTEM
   ======================================== */

:root {
  /* Background Colors */
  --bg-primary: #0A0F1C;
  --bg-secondary: #111827;
  --bg-surface: #1F2937;
  
  /* Brand Colors */
  --brand-blue: #3B82F6;
  --brand-purple: #8B5CF6;
  --brand-cyan: #06B6D4;
  
  /* Text Colors */
  --text-primary: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-highlight: #60A5FA;
  
  /* Status Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  
  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-code: 'Fira Code', monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Shadows & Glows */
  --glow-blue: 0 0 20px rgba(59, 130, 246, 0.5);
  --glow-purple: 0 0 20px rgba(139, 92, 246, 0.5);
  --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.5);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ========================================
   CORE WEB VITALS OPTIMIZATIONS
   ======================================== */

/* Prévention du Cumulative Layout Shift (CLS) */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Réservation d'espace pour les images et contenus */
img {
  max-width: 100%;
  height: auto;
  aspect-ratio: attr(width) / attr(height);
}

/* Optimisation du rendu des polices */
@font-face {
  font-display: swap;
}

/* Optimisation du scroll et du rendu */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Prévention du flash de contenu non stylisé */
  font-display: swap;
}

/* Optimisation des animations pour les Core Web Vitals */
*,
*::before,
*::after {
  box-sizing: inherit;
  -webkit-font-smoothing: inherit;
  -moz-osx-font-smoothing: inherit;
}

/* Optimisation des images pour le LCP */
.hero img,
.portfolio img,
.service img {
  loading: eager;
  decoding: async;
}

.content img {
  loading: lazy;
  decoding: async;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

::selection {
  background-color: var(--brand-blue);
  color: var(--text-primary);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

a {
  color: var(--text-highlight);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--brand-blue);
}

/* ========================================
   LAYOUT UTILITIES
   ======================================== */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 15, 28, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 15, 28, 0.95);
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-lg);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.brand-tagline {
  font-family: var(--font-code);
  font-size: 0.7rem;
  color: var(--brand-cyan);
  letter-spacing: 0.2em;
  margin-top: -0.25rem;
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-purple));
  transition: width var(--transition-base);
}

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

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

.btn-primary-nav {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.625rem 1.25rem;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-base);
  box-shadow: var(--glow-blue);
}

.btn-primary-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.7);
}

.btn-icon {
  font-size: 1rem;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: rgba(10, 15, 28, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-3xl) var(--spacing-lg);
    gap: var(--spacing-lg);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    transition: right var(--transition-base);
    z-index: 999;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-link {
    font-size: 1.25rem;
    width: 100%;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .btn-primary-nav {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-md);
  }
  
  .mobile-menu-toggle {
    display: flex;
    z-index: 1000;
  }
  
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  body.menu-open {
    overflow: hidden;
  }
  
  body.menu-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 998;
  }
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) 0;
  padding-top: 120px;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--brand-blue), transparent);
  top: -10%;
  right: -10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--brand-purple), transparent);
  bottom: -10%;
  left: -10%;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(30px, -30px);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-text {
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  margin-bottom: var(--spacing-lg);
}

.title-line-1 {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.title-line-2 {
  display: block;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple), var(--brand-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.highlight-text {
  color: var(--brand-cyan);
  font-weight: 600;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
  color: var(--text-primary);
  box-shadow: var(--glow-blue);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.8);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--brand-blue);
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.1);
  transform: translateY(-3px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(31, 41, 55, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-5px);
  border-color: var(--brand-blue);
  box-shadow: var(--glow-blue);
}

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

.stat-content {
  text-align: left;
}

.stat-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.875rem;
  animation: bounce 2s infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--brand-cyan));
}

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

/* ========================================
   CODE TYPESCRIPT SECTION
   ======================================== */

.code-section {
  padding: var(--spacing-3xl) 0;
  background: rgba(0, 0, 0, 0.2);
  position: relative;
}

.code-window {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
}

.code-window:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.3);
}

.code-window-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(17, 24, 39, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.window-controls {
  display: flex;
  gap: 6px;
}

.control-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transition: all var(--transition-base);
}

.control-dot.red {
  background: #EF4444;
}

.control-dot.yellow {
  background: #F59E0B;
}

.control-dot.green {
  background: #10B981;
}

.code-window:hover .control-dot {
  box-shadow: 0 0 8px currentColor;
}

.window-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.file-icon {
  font-size: 1rem;
}

.file-name {
  color: var(--text-primary);
  font-weight: 500;
}

.file-type {
  color: var(--text-secondary);
}

.code-content {
  padding: var(--spacing-xl);
  overflow-x: auto;
}

.code-block {
  font-family: var(--font-code);
  font-size: clamp(0.875rem, 2vw, 1rem);
  line-height: 1.8;
  color: #D1D5DB;
  margin: 0;
  white-space: pre;
}

/* Syntax Highlighting */
.keyword {
  color: var(--brand-purple);
  font-weight: 600;
}

.class-name {
  color: #FBBF24;
  font-weight: 600;
}

.function {
  color: var(--brand-blue);
  font-weight: 500;
}

.string {
  color: #10B981;
}

.property {
  color: var(--brand-cyan);
}

.comment {
  color: #6B7280;
  font-style: italic;
}

/* Typing Cursor Animation */
.typing-cursor::after {
  content: '|';
  animation: blink 1s step-start infinite;
  color: var(--brand-cyan);
  margin-left: 2px;
}

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

/* Responsive Code Section */
@media (max-width: 768px) {
  .code-content {
    padding: var(--spacing-md);
  }
  
  .code-block {
    font-size: 0.75rem;
    line-height: 1.6;
  }
  
  .window-title {
    font-size: 0.65rem;
  }
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--text-primary), var(--brand-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.service-card {
  position: relative;
  padding: var(--spacing-xl);
  background: rgba(31, 41, 55, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-purple), var(--brand-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--brand-blue);
  box-shadow: var(--glow-blue);
}

.card-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--brand-blue), transparent);
  filter: blur(60px);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.service-card:hover .card-glow {
  opacity: 0.2;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
}

.card-icon {
  color: var(--brand-cyan);
}

.card-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.05);
  line-height: 1;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.card-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.card-features li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  position: relative;
  padding-left: 1.5rem;
}

.card-features li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--brand-cyan);
  font-weight: bold;
}

.card-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--brand-blue);
  border-radius: var(--radius-md);
  color: var(--brand-blue);
  font-size: 0.875rem;
  font-weight: 600;
}

/* ========================================
   WHY ME SECTION
   ======================================== */

.why-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-primary);
}

.why-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.why-grid {
  display: grid;
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: rgba(31, 41, 55, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
}

.why-item:hover {
  transform: translateX(10px);
  border-color: var(--success);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.why-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.why-text h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.why-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */

.portfolio-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-primary);
  position: relative;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.portfolio-item {
  position: relative;
}

.portfolio-card {
  position: relative;
  padding: var(--spacing-xl);
  background: rgba(31, 41, 55, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.portfolio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-purple), var(--brand-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.portfolio-card:hover::before {
  transform: scaleX(1);
}

.portfolio-card:hover {
  transform: translateY(-10px);
  border-color: var(--brand-blue);
  box-shadow: var(--glow-blue);
}

.portfolio-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  transition: all var(--transition-base);
}

.portfolio-icon-github {
  background: transparent;
  padding: 0;
}

.portfolio-card:hover .portfolio-icon {
  transform: scale(1.1);
  background: rgba(59, 130, 246, 0.2);
}

.portfolio-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.portfolio-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

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

.portfolio-tag {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--brand-blue);
  border-radius: var(--radius-sm);
  color: var(--brand-blue);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--glow-blue);
  align-self: flex-start;
}

.portfolio-link:hover {
  transform: translateX(5px);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.7);
}

.portfolio-link svg {
  transition: transform var(--transition-base);
}

.portfolio-link:hover svg {
  transform: translateX(3px);
}

.portfolio-link-disabled {
  background: rgba(107, 114, 128, 0.3);
  border: 1px solid rgba(107, 114, 128, 0.5);
  color: var(--text-secondary);
  cursor: not-allowed;
  box-shadow: none;
}

.portfolio-link-disabled:hover {
  transform: none;
  box-shadow: none;
}

/* Portfolio Card Variants */
.portfolio-manylovr:hover {
  border-color: #EC4899;
  box-shadow: 0 0 20px rgba(236, 72, 153, 0.5);
}

.portfolio-manylovr .portfolio-icon {
  background: rgba(236, 72, 153, 0.1);
}

.portfolio-manylovr:hover .portfolio-icon {
  background: rgba(236, 72, 153, 0.2);
}

.portfolio-nltg:hover {
  border-color: var(--brand-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
}

.portfolio-nltg .portfolio-icon {
  background: rgba(6, 182, 212, 0.1);
}

.portfolio-nltg:hover .portfolio-icon {
  background: rgba(6, 182, 212, 0.2);
}

.portfolio-couscousbowl:hover {
  border-color: #F59E0B;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
}

.portfolio-couscousbowl .portfolio-icon {
  background: rgba(245, 158, 11, 0.1);
}

.portfolio-couscousbowl:hover .portfolio-icon {
  background: rgba(245, 158, 11, 0.2);
}

.portfolio-deblocporte:hover {
  border-color: #10B981;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

.portfolio-deblocporte .portfolio-icon {
  background: rgba(16, 185, 129, 0.1);
}

.portfolio-deblocporte:hover .portfolio-icon {
  background: rgba(16, 185, 129, 0.2);
}

.portfolio-coming-soon {
  opacity: 0.7;
}

.portfolio-coming-soon .portfolio-icon {
  background: rgba(107, 114, 128, 0.1);
}

.portfolio-coming-soon:hover {
  opacity: 0.8;
  border-color: rgba(107, 114, 128, 0.5);
  box-shadow: 0 0 20px rgba(107, 114, 128, 0.3);
}

/* Responsive Portfolio */
@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-card {
    padding: var(--spacing-lg);
  }
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.cta-box {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  border: 2px solid var(--brand-blue);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl) var(--spacing-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1), transparent);
  animation: rotate 10s linear infinite;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.cta-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.contact-info {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.info-divider {
  color: rgba(255, 255, 255, 0.2);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--bg-primary);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: var(--text-secondary);
  font-family: var(--font-code);
  font-size: 0.875rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-xl);
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

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

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

.footer-column ul li a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-base);
}

.footer-column ul li a:hover {
  color: var(--brand-cyan);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

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

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: var(--spacing-2xl) 0;
    padding-top: 140px;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .cta-box {
    padding: var(--spacing-xl) var(--spacing-md);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .stat-item {
    flex-direction: column;
    text-align: center;
  }
  
  .stat-content {
    text-align: center;
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-gradient {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple), var(--brand-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow-effect {
  box-shadow: var(--glow-blue);
}

.glassmorphism {
  background: rgba(31, 41, 55, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   LOADING & ANIMATIONS
   ======================================== */

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

.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

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

/* ========================================
   AOS LIBRARY OVERRIDES
   ======================================== */

[data-aos] {
  pointer-events: auto;
}

[data-aos="fade-up"] {
  transform: translate3d(0, 40px, 0);
}

[data-aos="fade-right"] {
  transform: translate3d(-40px, 0, 0);
}

/* ========================================
   WHATSAPP FLOATING BUTTON
   ======================================== */

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: all var(--transition-base);
  text-decoration: none;
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
  background: #20BA5A;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

@keyframes pulse-whatsapp {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.7);
  }
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
  }
  
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* ========================================
   MOBILE OPTIMIZATIONS
   ======================================== */

@media (max-width: 768px) {
  /* Larger touch targets */
  .btn-primary,
  .btn-secondary,
  .nav-link,
  .portfolio-link,
  .btn-primary-nav {
    min-height: 44px;
    min-width: 44px;
    padding: 0.75rem 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
  }
  
  /* Ajustement spécifique pour les boutons de la navbar en mobile */
  .navbar .btn-primary-nav {
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
    justify-content: center;
  }
  
  /* Improved mobile navigation */
  .mobile-menu-toggle {
    min-width: 44px;
    min-height: 44px;
    padding: 0.75rem;
  }
  
  /* Better spacing on mobile */
  .hero-cta {
    gap: var(--spacing-md);
  }
  
  .hero-buttons {
    width: 100%;
  }
  
  .btn-large {
    width: 100%;
    justify-content: center;
  }
  
  /* Improved card spacing */
  .service-card,
  .portfolio-card {
    padding: var(--spacing-lg);
  }
  
  /* Better text readability */
  .hero-title {
    font-size: clamp(1.75rem, 8vw, 3rem);
  }
  
  .section-title {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
  }
  
  /* Optimized code section for mobile */
  .code-window {
    margin: 0 -1rem;
    border-radius: 0;
  }
  
  .code-content {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Better footer on mobile */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  /* Improved contact info */
  .contact-info {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .info-divider {
    display: none;
  }
}

/* ========================================
   CONTACT PAGE STYLES
   ======================================== */

.contact-hero {
  padding: calc(var(--spacing-3xl) + 80px) 0 var(--spacing-3xl);
  background: var(--bg-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

.contact-hero-content {
  position: relative;
  z-index: 1;
}

.contact-hero-title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.contact-hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.contact-form-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.contact-info-card,
.contact-form-card {
  background: rgba(31, 41, 55, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  backdrop-filter: blur(12px);
}

.contact-info-title,
.contact-form-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-form-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  font-size: 0.95rem;
}

.contact-info-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-info-item:last-of-type {
  border-bottom: none;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-md);
  color: var(--brand-blue);
}

.contact-info-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.contact-info-content a {
  color: var(--brand-blue);
  text-decoration: none;
  transition: color var(--transition-base);
}

.contact-info-content a:hover {
  color: var(--brand-cyan);
}

.contact-info-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-social {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-social h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-md);
  color: var(--brand-blue);
  transition: all var(--transition-base);
}

.social-links a:hover {
  background: var(--brand-blue);
  color: white;
  transform: translateY(-2px);
}

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

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

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  background: rgba(10, 15, 28, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.error-message {
  color: #EF4444;
  font-size: 0.875rem;
  display: none;
}

.form-message {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  display: none;
}

.form-message.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10B981;
}

.form-message.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #EF4444;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--glow-blue);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.6);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-submit .spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive Contact Page */
@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .contact-hero {
    padding: calc(var(--spacing-2xl) + 80px) 0 var(--spacing-2xl);
  }
  
  .contact-info-card,
  .contact-form-card {
    padding: var(--spacing-lg);
  }
  
  .contact-info-item {
    flex-direction: column;
    align-items: flex-start;
  }
.hero-cta {
  flex-direction: column;
  width: 100%;
  gap: var(--spacing-md);
}

.hero-cta .btn-primary,
.hero-cta .btn-secondary {
  width: 100%;
  justify-content: center;
}
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
  .navbar,
  .scroll-indicator,
  .cta-section,
  .footer,
  .whatsapp-float {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
}