/* ===================================
   CLÉMENT COLOMBIER CONSULTING
   Professional Design System
   =================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===================================
   CSS CUSTOM PROPERTIES
   =================================== */
:root {
  /* Colors - Professional Blue/Gray Palette */
  --color-primary-dark: #1e3a8a;
  --color-primary: #2563eb;
  --color-primary-light: #3b82f6;
  --color-accent: #60a5fa;

  --color-secondary-dark: #334155;
  --color-secondary: #475569;
  --color-secondary-light: #64748b;

  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-bg-dark: #0f172a;

  --color-text-primary: #0f172a;
  --color-text-secondary: #334155;
  --color-text-tertiary: #64748b;
  --color-text-light: #ffffff;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  --gradient-accent: linear-gradient(135deg, #2563eb 0%, #60a5fa 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(37, 99, 235, 0.9) 100%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;

  /* Shadows */
  --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);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.3);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 100;
  --z-fixed: 1000;
  --z-modal: 10000;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

/* ===================================
   LAYOUT UTILITIES
   =================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-alt {
  background-color: var(--color-bg-secondary);
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: var(--font-size-lg);
}

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

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: var(--font-size-base);
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  cursor: pointer;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
  font-family: var(--font-family);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-light);
  box-shadow: var(--shadow-md);
}

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

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

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

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-overlay), url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  background-size: cover;
  background-position: center;
  position: relative;
  padding-top: 80px;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out;
}

.hero h1 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  font-size: clamp(2.5rem, 5vw, 4rem);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  font-weight: 400;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

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

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

.service-card {
  background: var(--color-bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 1px solid rgba(37, 99, 235, 0.1);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

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

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  color: white;
}

.service-card h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.service-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-container {
  max-width: 800px;
  margin: 0 auto;
}

.contact-form {
  background: var(--color-bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

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

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

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  transition: all var(--transition-fast);
  background: var(--color-bg-secondary);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-submit {
  width: 100%;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  text-align: center;
}

.footer p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--spacing-sm);
}

/* ===================================
   SECTION HEADERS
   =================================== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  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: var(--radius-full);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-tertiary);
  max-width: 600px;
  margin: var(--spacing-lg) auto 0;
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --spacing-3xl: 3rem;
  }

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

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: var(--spacing-xl);
    transition: left var(--transition-base);
    gap: var(--spacing-md);
    align-items: flex-start;
  }

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

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

  .btn {
    width: 100%;
    max-width: 300px;
  }

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

  .contact-form {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }
}

/*   = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =  
       C A R E E R   S E C T I O N   ( P A R C O U R S )  
       = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =   */
.timeline-container {
  position: relative;
  margin: var(--spacing-2xl) 0;
  padding: var(--spacing-lg) 0;
}

.timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

/*   Horizontal   Line   */
.timeline::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-bg-tertiary);
  z-index: 0;
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  width: 23%;
  text-align: center;
  z-index: 1;
  transition: all var(--transition-base);
}

.timeline-dot {
  width: 44px;
  height: 44px;
  background: var(--color-bg-primary);
  border: 4px solid var(--color-bg-tertiary);
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-dot::after {
  content: '';
  width: 16px;
  height: 16px;
  background: var(--color-bg-tertiary);
  border-radius: 50%;
  transition: all var(--transition-base);
}

.timeline-content {
  background: var(--color-bg-primary);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
  opacity: 0.8;
}

/*   Highlighted   /   Active   State   */
.timeline-item.highlight .timeline-dot {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

.timeline-item.highlight .timeline-dot::after {
  background: var(--color-primary);
}

.timeline-item.highlight .timeline-content {
  opacity: 1;
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.2);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.1);
  border-color: var(--color-primary);
}

.timeline-item:hover .timeline-dot::after {
  background: var(--color-primary);
}

.timeline-item:hover .timeline-content {
  opacity: 1;
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.timeline-date {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  display: block;
}

.timeline-role {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

.timeline-company {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.timeline-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: 0;
  line-height: 1.5;
}

/*   Skills   &   Certifications   Grid   */
.skills-certifications-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.skills-container,
.certifications-container {
  background: var(--color-bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.skills-container h3,
.certifications-container h3 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-xl);
}

.radar-chart-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  aspect-ratio: 1/1;
}

/*   Badges   Grid   */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
}

.badge:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  background: white;
  border-color: rgba(37, 99, 235, 0.2);
}